CN105286975A - Reinforced compression type propping-open resetting device for bone fracture - Google Patents
Reinforced compression type propping-open resetting device for bone fracture Download PDFInfo
- Publication number
- CN105286975A CN105286975A CN201510569320.3A CN201510569320A CN105286975A CN 105286975 A CN105286975 A CN 105286975A CN 201510569320 A CN201510569320 A CN 201510569320A CN 105286975 A CN105286975 A CN 105286975A
- Authority
- CN
- China
- Prior art keywords
- handle
- compand
- expansion body
- connecting handle
- expansion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8819—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer proximal part, e.g. cannula handle, or by parts which are inserted inside each other, e.g. stylet and cannula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8811—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by the introducer tip, i.e. the part inserted into or onto the bone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/885—Tools for expanding or compacting bones or discs or cavities therein
- A61B17/8852—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc
- A61B17/8855—Tools for expanding or compacting bones or discs or cavities therein capable of being assembled or enlarged, or changing shape, inside the bone or disc inflatable, e.g. kyphoplasty balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00004—(bio)absorbable, (bio)resorbable, resorptive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
Abstract
The invention relates to a reinforced compression type propping-open resetting device for bone fracture, which comprises a protection head, an expansion body, a compression and expansion handle, a connecting handle and a fixed handle, wherein the expansion body is used for propping the pathological change injured vertebral bodies open and building a work cavity; the expansion body can be in any shape after being propped open; the side wall of the front end head part of the protection head is provided with a bone cement injection opening; the fixed handle is arranged in the connecting handle and the compression and expansion handle, and is in threaded connection with the protection head screw thread part of the protection head through a fixed handle screw thread part; the protection head screw thread part is used for being connected with the fixed handle and fixed for ensuring the whole of the reinforced compression type propping-open resetting device for bone fracture to be matched without falling off; and when the compression and expansion handle is rotated, forward pushing force is given to the compression and expansion handle. The reinforced compression type propping-open resetting device for bone fracture has the advantages that the structure is simple; the operation is convenient; the operation risk is reduced; the operation cost is reduced; the vertebral body resetting is facilitated; the injection pressure is reduced; and the pressure resistance of the pathological change vertebral body is enhanced.
Description
Technical field
The present invention relates to medical instruments field, refer more particularly to a kind of reinforcement type compression fracture pulling off reset device.
Background technology
Vertebral body balloon expansion plasty is a Minimally invasive procedure operation, the limbs of compression are holed, the sacculus of a special about 15mm size is sent into vertebral body center, then inflated is given, the sacculus expanded props up the vertebral body of subsiding gradually, by the time when vertebral body profile returns to normal vertebral body, remove sacculus, then inject bone cement or artificial bone by this hole to the cavity at vertebral body center.Can strengthen the strength and stability of vertebral body after bone cement solidifies, the vertebral body that this guarantees recovery can not be compressed, and the deformity of spinal column has also just been repaired.It is a kind of for filling and implanting gap or bone cavity and have the biomaterial of self-solidifying characteristic that vertebral body balloon expands into the bone cement used in art, and main component is polymethyl methacrylate, and cement reaction can ensure the instant stable of postoperative prosthese.
In prior art, vertebral body balloon expansion plasty adopts balloon expandable to prop up the vertebral body of subsiding, but the controllability of balloon expandable is poor, and reset direction is difficult to control; Meanwhile, also there is the danger of breaking in sacculus.
Summary of the invention
In view of the above-mentioned defect of prior art, the object of this invention is to provide a kind of structure simple, convenient operation, be beneficial to the reinforcement type compression fracture pulling off reset device of corpus vertebrae replacement.
The object of the invention is to be achieved through the following technical solutions:
A kind of reinforcement type compression fracture pulling off reset device, comprises head protector, expansion body, compand handle, connecting handle, fixed handle; Head protector comprises conduit part and head protector threaded portion, and head protector threaded portion is in the end of head protector; Compand handle comprises compand pipe and compand handle threads portion; Head protector is placed in expansion body, and expansion body is blocked; Expansion body contacts with compand pipe; Wherein, expansion body is used for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body struts; The conduit part of head protector is placed in compand pipe; Head protector and compand handle are interference fits, and compand handle can slide in head protector; The leading head sidewall of head protector is provided with bone cement inlet; Connecting handle comprises connecting handle threaded portion; Fixed handle comprises fixed handle support bar and fixed handle threaded portion; Compand handle, connecting handle are connected with connecting handle threaded portion by compand handle threads portion; Fixed handle is placed in connecting handle and compand handle, and be threaded with the head protector threaded portion of head protector by fixed handle threaded portion, head protector threaded portion is used for being connected with fixed handle and fixing, and does not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches; Fixed handle is by head protector, and expansion body and compand handle are connected; When rotary compression expansion handle, give compand handle motive force forward.
Further, the material of head protector, expansion body is rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
Further, after injecting bone cement in expansion body, expansion body, head protector are stayed in pathological changes vertebral body inner, and expansion body, head protector play the fixing effect strengthened.
Further, sacculus is set in expansion body inside, expansion body and sacculus are together implanted in pathological changes vertebral body.
Further, the operational approach of this reinforcement type compression fracture pulling off reset device, operating procedure is as follows: (1) rotary compression expansion handle, compand handle is unscrewed from the connecting handle threaded portion of connecting handle, in compand handle forward movement, expansion body slowly expands into required form; (2) when expansion body is expanded to required size, stop the rotation compand handle, now needs to reversely rotate fixed handle, exits fixed handle; (3) Cement fixation device sleeve pipe is stretched into expansion body inside from connecting handle port; When Cement fixation device sleeve pipe arrives the bone cement inlet place in head protector, inject bone cement or artificial bone from the bone cement inlet of Cement fixation device sleeve pipe; While injecting bone cement or artificial bone, the compand handle that can rotate in a circumferential direction also slowly retreats, until bone cement or artificial bone fill the inside of full whole expansion body; (4) after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe, connecting handle and compand handle, expansion body and head protector are stayed in pathological changes vertebral body inner.
A kind of reinforcement type compression fracture pulling off reset device, comprises expansion body, compand handle, connecting handle, fixed handle; Connecting handle comprises connecting handle threaded portion, connecting handle ingress pipe and connecting handle ingress pipe threaded portion, and connecting handle ingress pipe threaded portion is in the end of connecting handle ingress pipe; The end of connecting handle ingress pipe is the elastic construction of cross open or rice font opening, expansion body is blocked; The leading head sidewall of connecting handle ingress pipe is provided with bone cement inlet; Expansion body contacts with compand pipe; Wherein, expansion body is used for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body struts; Compand handle, connecting handle are connected with connecting handle threaded portion by compand handle threads portion; Connecting handle ingress pipe is placed in compand pipe; Fixed handle is placed in connecting handle and compand handle, and is threaded with the connecting handle ingress pipe threaded portion of connecting handle by fixed handle threaded portion; Connecting handle ingress pipe threaded portion is used for being connected with fixed handle and fixing, and does not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches; Connecting handle, expansion body and compand handle are connected by fixed handle; The internal holes of connecting handle seals by fixed handle, in order to avoid when it enters pathological changes vertebral body inside, there is vertebral body interior tissue and block connecting handle and compand handle end, affect it and normally use; When rotary compression expansion handle, give compand handle motive force forward.In assembling process, when connecting handle passes through pipeline and the expansion body of compand handle, the end of connecting handle ingress pipe inwardly closes up, can smoothly by pipeline and the expansion body of compand handle, and last three becomes as a whole; Otherwise, when connecting handle withdraws expansion body, only need give connecting handle active force backward, can expansion body be departed from, extract vertebral body smoothly, and expansion body be stayed in pathological changes vertebral body inner.
Further, the material of expansion body is rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
Further, after injecting bone cement in expansion body, expansion body is stayed in pathological changes vertebral body inner, and expansion body plays the fixing effect strengthened.
Further, sacculus is set in expansion body inside, expansion body and sacculus are together implanted in pathological changes vertebral body.
Further, the operational approach of this reinforcement type compression fracture pulling off reset device, operating procedure is as follows: (1) rotary compression expansion handle, compand handle is unscrewed from the connecting handle threaded portion of connecting handle, in compand handle forward movement, expansion body slowly expands into required form; (2) when expansion body is expanded to required size, stop the rotation compand handle, now needs to reversely rotate fixed handle, exits fixed handle; (3) Cement fixation device sleeve pipe is stretched into expansion body inside from connecting handle port; When Cement fixation device sleeve pipe arrives the bone cement inlet place on connecting handle ingress pipe, inject bone cement or artificial bone from the bone cement inlet of Cement fixation device sleeve pipe; While injecting bone cement or artificial bone, the connecting handle that can rotate in a circumferential direction also slowly retreats, until bone cement or artificial bone fill the inside of full whole expansion body; When connecting handle exits backward to compand handle, compand handle is exited external together; (4) after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe, connecting handle and compand handle, expansion body is stayed in pathological changes vertebral body inner.
Compared with the existing technology, feature of the present invention is with progressive as follows:
1, reinforcement type compression fracture pulling off reset device of the present invention, structure is simple, convenient operation; Reduce operation risk; Reduce surgery cost; The reset of vertebral body can be conducive to better, reduce injection pressure; Strengthen the compressive resistance of pathological changes vertebral body.
2, reinforcement type compression fracture pulling off reset device of the present invention, can slow down the absorption process of artificial bone, prevent artificial bone from subsiding, avoid secondary to fracture.
3, the expansion body of reinforcement type compression fracture pulling off reset device of the present invention, head protector adopt rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial, conveniently control corpus vertebrae replacement direction; And expansion body, head protector play the fixing effect strengthening vertebral body.
Accompanying drawing explanation
Fig. 1: each component structural figure of reinforcement type compression fracture pulling off reset device in embodiment 1;
Fig. 2: reinforcement type compression fracture pulling off reset device section of structure in embodiment 1;
Fig. 3: reinforcement type compression fracture pulling off reset device structure partial enlarged drawing (expansion body is in expansion state) in embodiment 1;
Fig. 4: in embodiment 1, reinforcement type compression fracture pulling off reset device is in the structure chart of original state;
Fig. 5: reinforcement type compression fracture pulling off reset device structure chart during rotary compression expansion handle in embodiment 1;
Fig. 6: reinforcement type compression fracture pulling off reset device structure chart when reversely rotating fixed handle in embodiment 1;
Fig. 7: reinforcement type compression fracture pulling off reset device structure chart when exiting fixed handle in embodiment 1;
Fig. 8: reinforcement type compression fracture pulling off reset device structure chart during Cement fixation device sleeve pipe insertion connecting handle in embodiment 1;
Fig. 9: stay the expansion body in pathological changes vertebral body inside, head protector structure chart in embodiment 1;
Figure 10: the structure chart of connecting handle in embodiment 2;
Figure 11: the partial enlarged drawing of connecting handle end in embodiment 2;
Figure 12: the connecting handle and the compand handle connecting structure figure that install expansion body in embodiment 2;
Figure 13: in embodiment 2, reinforcement type compression fracture pulling off reset device is in the structure chart of original state;
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1:
As Figure 1-3, this reinforcement type compression fracture pulling off reset device, comprises head protector 1, expansion body 2, compand handle 3, connecting handle 4, fixed handle 5; Head protector 1 comprises conduit part 6 and head protector threaded portion 12, and head protector threaded portion 12 is in the end of head protector 1; Compand handle 3 comprises compand pipe 7 and compand handle threads portion 8; Head protector 1 is placed in expansion body 2, and expansion body 2 is blocked; Expansion body 2 contacts with compand pipe 7; Wherein, expansion body 2, for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body 2 struts; The conduit part 6 of head protector 1 is placed in compand pipe 7; Head protector 1 and compand handle 3 are interference fits, and compand handle 3 can slide in head protector 1; The leading head sidewall of head protector 1 is provided with bone cement inlet 13; Connecting handle 4 comprises connecting handle threaded portion 9; Fixed handle 5 comprises fixed handle support bar 11 and fixed handle threaded portion 10; Compand handle 3, connecting handle 4 are connected with connecting handle threaded portion 9 by compand handle threads portion 8; Fixed handle 5 is placed in connecting handle 4 and compand handle 3, and carry out being threaded (in Fig. 3 the fixed handle support bar 11 of not shown fixed handle 5 and fixed handle threaded portion 10) by fixed handle threaded portion 10 and the head protector threaded portion 12 of head protector 1,, for being connected with fixed handle 5 and fixing, do not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches in head protector threaded portion 12; Fixed handle 5 is by head protector 1, and expansion body 2 and compand handle 3 are connected; When rotary compression expansion handle 3, give compand handle 3 motive force forward.
Further, the material of head protector 1, expansion body 2 is rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
Further, after injecting bone cement in expansion body 2, expansion body 2, head protector 1 are stayed in pathological changes vertebral body inner, and expansion body 2, head protector 1 play the fixing effect strengthened.
Further, the operational approach of this reinforcement type compression fracture pulling off reset device, operating procedure is as follows: (1) as illustrated in figures 4-5, rotary compression expansion handle 3, compand handle 3 is unscrewed from the connecting handle threaded portion 9 of connecting handle 4, in compand handle 3 forward movement, expansion body 2 slowly expands into required form; (2) as shown in fig. 6-7, when expansion body 2 is expanded to required size, stop the rotation compand handle 3, now needs to reversely rotate fixed handle 5, exits fixed handle 5; (3) as shown in Figure 8, Cement fixation device sleeve pipe 14 is stretched into expansion body 2 from connecting handle 4 port inner; When arriving bone cement inlet 13 place in head protector 1 when Cement fixation device sleeve pipe 14, inject bone cement or artificial bone from the bone cement inlet (female Luer) 15 of Cement fixation device sleeve pipe 14; While injecting bone cement or artificial bone, the compand handle 3 that can rotate in a circumferential direction also slowly retreats, until bone cement or artificial bone fill the inside of full whole expansion body 2; (4) as shown in Figure 9, after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe 14, connecting handle 4 and compand handle 3, expansion body 2 and head protector 1 are stayed in pathological changes vertebral body inner.
Embodiment 2:
This reinforcement type compression fracture pulling off reset device, comprises expansion body 16, compand handle 17, connecting handle 18, fixed handle 19; Wherein expansion body 16, compand handle 17, fixed handle 19 are identical with the expansion body 2 in embodiment 1, compand handle 3, fixed handle 5 structure respectively, as shown in figs. 10-11, connecting handle 18 comprises connecting handle threaded portion 20, connecting handle ingress pipe 21 and connecting handle ingress pipe threaded portion 24, and connecting handle ingress pipe threaded portion 24 is in the end of connecting handle ingress pipe 21; The end of connecting handle ingress pipe 21 is the elastic construction of cross open or rice font opening, expansion body 16 is blocked; The leading head sidewall of connecting handle ingress pipe 21 is provided with bone cement inlet 23; As illustrated by figs. 12-13, expansion body 16 contacts with compand pipe 22; Wherein, expansion body 16, for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body 16 struts; Compand handle 17, connecting handle 18 are connected with connecting handle threaded portion 20 by compand handle threads portion; Connecting handle ingress pipe 21 is placed in compand pipe 22; Fixed handle 18 is placed in connecting handle 18 and compand handle 17, and is threaded with the connecting handle ingress pipe threaded portion 24 of connecting handle 18 by fixed handle threaded portion; , for being connected with fixed handle 19 and fixing, do not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches in connecting handle ingress pipe threaded portion 24; Connecting handle 18, expansion body 16 and compand handle 17 are connected by fixed handle 19; The internal holes of connecting handle 18 seals by fixed handle 19, in order to avoid when it enters pathological changes vertebral body inside, there is vertebral body interior tissue etc. and block connecting handle 18 and compand handle 17 end, affecting it normally uses; When rotary compression expansion handle 17, give compand handle 17 motive force forward.In assembling process, when connecting handle 18 passes through pipeline and the expansion body 16 of compand handle 17, the end of connecting handle ingress pipe 21 inwardly closes up, can smoothly by pipeline and the expansion body 16 of compand handle 17, and last three becomes as a whole; Otherwise, when connecting handle 18 withdraws expansion body 16, only need give connecting handle 18 active force backward, expansion body 16 can be departed from, connecting handle 18 is extracted from vertebral body, and expansion body 16 be stayed in pathological changes vertebral body inner.
Further, the material of expansion body 16 is rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
Further, after injecting bone cement in expansion body 16, expansion body 16 is stayed in pathological changes vertebral body inner, and expansion body 16 plays the fixing effect strengthened.
Further, the operational approach of this reinforcement type compression fracture pulling off reset device, operating procedure is as follows: (1) rotary compression expansion handle 17, compand handle 17 is unscrewed from the connecting handle threaded portion 20 of connecting handle 18, in compand handle 17 forward movement, expansion body 16 slowly expands into required form; (2) when expansion body 16 is expanded to required size, stop the rotation compand handle 17, now needs to reversely rotate fixed handle 19, exits fixed handle 19; (3) Cement fixation device sleeve pipe 14 is stretched into expansion body 16 from connecting handle 18 port inner; When arriving bone cement inlet 23 place on connecting handle ingress pipe 21 when Cement fixation device sleeve pipe 14, inject bone cement or artificial bone from the bone cement inlet (female Luer) 15 of Cement fixation device sleeve pipe 14; While injecting bone cement or artificial bone, the connecting handle 18 that can rotate in a circumferential direction also slowly retreats, until bone cement or artificial bone fill the inside of full whole expansion body 16; When connecting handle 18 exits backward to compand handle 17, compand handle 17 is exited external together; (4) after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe 14, connecting handle 18 and compand handle 17, expansion body 16 is stayed in pathological changes vertebral body inner.
Embodiment 3:
Further the reinforcement type compression fracture pulling off reset device of embodiment 1 or embodiment 2 is improved, sacculus is set in expansion body inside, expansion body and sacculus are together implanted in pathological changes vertebral body, to improve the reliability of operation.
Claims (10)
1. a reinforcement type compression fracture pulling off reset device, is characterized in that, comprises head protector (1), expansion body (2), compand handle (3), connecting handle (4), fixed handle (5); Head protector 1 comprises conduit part (6) and head protector threaded portion (12), and head protector threaded portion (12) are in the end of head protector (1); Compand handle (3) comprises compand pipe (7) and compand handle threads portion (8); Head protector (1) is placed in expansion body (2), and expansion body (2) is blocked; Expansion body (2) contacts with compand pipe (7); Wherein, expansion body (2), for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body (2) struts; The conduit part (6) of head protector (1) is placed in compand pipe (7); Head protector (1) and compand handle (3) are interference fits, and compand handle (3) can in the upper slip of head protector (1); The leading head sidewall of head protector (1) is provided with bone cement inlet (13); Connecting handle (4) comprises connecting handle threaded portion (9); Fixed handle (5) comprises fixed handle support bar (11) and fixed handle threaded portion (10); Compand handle (3), connecting handle (4) are connected with connecting handle threaded portion (9) by compand handle threads portion (8); Fixed handle (5) is placed in connecting handle (4) and compand handle (3), and be threaded with the head protector threaded portion (12) of head protector (1) by fixed handle threaded portion (10),, for being connected with fixed handle (5) and fixing, do not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches in head protector threaded portion (12); Fixed handle (5) is by head protector (1), and expansion body (2) and compand handle (3) are connected; When rotary compression expansion handle (3), give compand handle (3) motive force forward.
2. reinforcement type compression fracture pulling off reset device according to claim 1, is characterized in that, the material of head protector (1), expansion body (2) can be rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
3. reinforcement type compression fracture pulling off reset device according to claim 2, it is characterized in that, after injecting bone cement in expansion body (2), expansion body (2), head protector (1) are stayed in pathological changes vertebral body inner, and expansion body (2), head protector (1) play the fixing effect strengthened.
4. according to the reinforcement type compression fracture pulling off reset device one of claim 1-3 Suo Shu, it is characterized in that, sacculus is set in expansion body inside, expansion body and sacculus are together implanted in pathological changes vertebral body.
5., according to an operational approach for the reinforcement type compression fracture pulling off reset device one of claim 1-3 Suo Shu, it is characterized in that, comprise the following steps:
A. rotary compression expansion handle (3), compand handle (3) is unscrewed from the connecting handle threaded portion (9) of connecting handle (4), and in compand handle (3) forward movement, expansion body (2) slowly expands into required form;
B. when expansion body (2) is expanded to required size, stop the rotation compand handle (3), now needs to reversely rotate fixed handle (5), exits fixed handle (5);
C. Cement fixation device sleeve pipe (14) is stretched into expansion body (2) from connecting handle (4) port inner; When Cement fixation device sleeve pipe (14) arrives bone cement inlet (13) place in head protector (1), inject bone cement or artificial bone from the bone cement inlet (15) of Cement fixation device sleeve pipe (14); While injecting bone cement or artificial bone, can rotate in a circumferential direction compand handle (3) slowly retreating, until bone cement or artificial bone fill the inside of full whole expansion body (2);
D. after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe (14), connecting handle (4) and compand handle (3), expansion body (2) and head protector (1) are stayed in pathological changes vertebral body inner.
6. a reinforcement type compression fracture pulling off reset device, is characterized in that, comprises expansion body (16), compand handle (17), connecting handle (18), fixed handle (19); Connecting handle (18) comprises connecting handle threaded portion (20), connecting handle ingress pipe (21) and connecting handle ingress pipe threaded portion (24), and connecting handle ingress pipe threaded portion (24) is in the end of connecting handle ingress pipe (21); The end of connecting handle ingress pipe (21) is the elastic construction of cross open or rice font opening, expansion body (16) is blocked; The leading head sidewall of connecting handle ingress pipe (21) is provided with bone cement inlet (23); Expansion body (16) contacts with compand pipe (22); Wherein, expansion body (16), for strutting pathological changes damaged vertebral body, sets up working chamber, can have any shape after expansion body (16) struts; Compand handle (17), connecting handle (18) are connected with connecting handle threaded portion (20) by compand handle threads portion; Connecting handle ingress pipe (21) is placed in compand pipe (22); Fixed handle (18) is placed in connecting handle (18) and compand handle (17), and is threaded with the connecting handle ingress pipe threaded portion (24) of connecting handle (18) by fixed handle threaded portion; , for being connected with fixed handle (19) and fixing, do not drop to guarantee that this reinforcement type compression fracture pulling off reset device entirety matches in connecting handle ingress pipe threaded portion (24); Connecting handle (18), expansion body (16) and compand handle (17) are connected by fixed handle (19); The internal holes of connecting handle (18) seals by fixed handle (19), in order to avoid when it enters pathological changes vertebral body inside, there is vertebral body interior tissue and block connecting handle (18) and compand handle (17) end, affect it and normally use; When rotary compression expansion handle (17), give compand handle (17) motive force forward; In assembling process, when connecting handle (18) is by the pipeline of compand handle (17) and expansion body (16), the end of connecting handle ingress pipe (21) inwardly closes up, can smoothly by pipeline and the expansion body (16) of compand handle (17), last three becomes as a whole; Otherwise, when connecting handle (18) withdraws expansion body (16), only need give connecting handle (18) active force backward, expansion body (16) can be departed from, extract vertebral body smoothly, and expansion body (16) be stayed in pathological changes vertebral body inner.
7. reinforcement type compression fracture pulling off reset device according to claim 6, is characterized in that, the material of expansion body (16) is can rustless steel or titanium alloy or memorial alloy or Absorbable rod embedded type biomaterial.
8. reinforcement type compression fracture pulling off reset device according to claim 7, is characterized in that, after injecting bone cement in expansion body (16), expansion body (16) is stayed in pathological changes vertebral body inner, and expansion body (16) plays the fixing effect strengthened.
9. according to the reinforcement type compression fracture pulling off reset device one of claim 6-8 Suo Shu, it is characterized in that, sacculus is set in expansion body inside, expansion body and sacculus are together implanted in pathological changes vertebral body.
10., according to an operational approach for the reinforcement type compression fracture pulling off reset device one of claim 6-8 Suo Shu, it is characterized in that, comprise the following steps:
A. rotary compression expansion handle (17), compand handle (17) is unscrewed from the connecting handle threaded portion (20) of connecting handle (18), and in compand handle (17) forward movement, expansion body (16) slowly expands into required form;
B. when expansion body (16) is expanded to required size, stop the rotation compand handle (17), now needs to reversely rotate fixed handle (19), exits fixed handle (19);
C. Cement fixation device sleeve pipe (14) is stretched into expansion body (16) from connecting handle (18) port inner; When Cement fixation device sleeve pipe (14) arrives bone cement inlet (23) place on connecting handle ingress pipe (21), inject bone cement or artificial bone from the bone cement inlet (15) of Cement fixation device sleeve pipe (14); While injecting bone cement or artificial bone, can rotate in a circumferential direction connecting handle (18) slowly retreating, until bone cement or artificial bone fill the inside of full whole expansion body (16); When connecting handle (18) exits backward to compand handle (17), compand handle (17) is exited external together;
D. after bone cement or artificial bone having been injected, before bone cement or artificial bone do not solidify, exit Cement fixation device sleeve pipe (14), connecting handle (18) and compand handle (17), expansion body (16) is stayed in pathological changes vertebral body inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569320.3A CN105286975B (en) | 2015-09-09 | 2015-09-09 | A kind of reinforcement type compression fracture pulling off reset device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510569320.3A CN105286975B (en) | 2015-09-09 | 2015-09-09 | A kind of reinforcement type compression fracture pulling off reset device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105286975A true CN105286975A (en) | 2016-02-03 |
| CN105286975B CN105286975B (en) | 2017-06-16 |
Family
ID=55185293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510569320.3A Active CN105286975B (en) | 2015-09-09 | 2015-09-09 | A kind of reinforcement type compression fracture pulling off reset device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105286975B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018057840A (en) * | 2016-10-07 | 2018-04-12 | カイフォン・ソシエテ・ア・レスポンサビリテ・リミテ | Surgical device and use method |
| CN109717910A (en) * | 2019-03-13 | 2019-05-07 | 霍建忠 | A kind of Lantern pyramidal support biopsy device |
| CN111973141A (en) * | 2020-09-02 | 2020-11-24 | 无锡市妇幼保健院 | Cervical dilator for obstetrical department |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007003645A1 (en) * | 2007-01-22 | 2008-07-24 | Somatex Medical Technologies Gmbh | Damaged bone structures i.e. vertebral body, treating instrument for use during e.g. osteoporosis treatment, has elongate opening enabling expansion of barrel surface during force exertion in proximal-axial direction on cylinder distal end |
| CN101530343A (en) * | 2007-12-28 | 2009-09-16 | 比德曼莫泰赫有限公司 | Implant for stabilizing vertebrae or bones |
| US20090276048A1 (en) * | 2007-05-08 | 2009-11-05 | Chirico Paul E | Devices and method for bilateral support of a compression-fractured vertebral body |
| US20090292323A1 (en) * | 2008-05-20 | 2009-11-26 | Chirico Paul E | Systems, devices and methods for posterior lumbar interbody fusion |
| WO2010100287A1 (en) * | 2009-03-06 | 2010-09-10 | Somatex Medical Technologies Gmbh | Barrier for implantation into bone, in particular for vertebroplasty |
| CN101848686A (en) * | 2007-07-17 | 2010-09-29 | 扩张整形外科公司 | Expandable bone device |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| US8241335B2 (en) * | 2004-11-10 | 2012-08-14 | Dfine, Inc. | Bone treatment systems and methods for introducing an abrading structure to abrade bone |
| CN103800098A (en) * | 2012-11-13 | 2014-05-21 | 长庚大学 | Device for supporting skeleton strength and assembling tool thereof |
| US20150112351A1 (en) * | 2013-10-22 | 2015-04-23 | Spirit Spine Holdings Corporation, Inc. | Device for bone fixation |
| CN205083589U (en) * | 2015-09-09 | 2016-03-16 | 苏州爱得科技发展股份有限公司 | Reinforcement type compressibility fracture struts resetting means |
-
2015
- 2015-09-09 CN CN201510569320.3A patent/CN105286975B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8241335B2 (en) * | 2004-11-10 | 2012-08-14 | Dfine, Inc. | Bone treatment systems and methods for introducing an abrading structure to abrade bone |
| DE102007003645A1 (en) * | 2007-01-22 | 2008-07-24 | Somatex Medical Technologies Gmbh | Damaged bone structures i.e. vertebral body, treating instrument for use during e.g. osteoporosis treatment, has elongate opening enabling expansion of barrel surface during force exertion in proximal-axial direction on cylinder distal end |
| US20090276048A1 (en) * | 2007-05-08 | 2009-11-05 | Chirico Paul E | Devices and method for bilateral support of a compression-fractured vertebral body |
| CN101848686A (en) * | 2007-07-17 | 2010-09-29 | 扩张整形外科公司 | Expandable bone device |
| CN101530343A (en) * | 2007-12-28 | 2009-09-16 | 比德曼莫泰赫有限公司 | Implant for stabilizing vertebrae or bones |
| US20090292323A1 (en) * | 2008-05-20 | 2009-11-26 | Chirico Paul E | Systems, devices and methods for posterior lumbar interbody fusion |
| WO2010100287A1 (en) * | 2009-03-06 | 2010-09-10 | Somatex Medical Technologies Gmbh | Barrier for implantation into bone, in particular for vertebroplasty |
| CN102427769A (en) * | 2009-03-12 | 2012-04-25 | 维克辛姆公司 | Apparatus for bone restoration of the spine and methods of use |
| CN103800098A (en) * | 2012-11-13 | 2014-05-21 | 长庚大学 | Device for supporting skeleton strength and assembling tool thereof |
| US20150112351A1 (en) * | 2013-10-22 | 2015-04-23 | Spirit Spine Holdings Corporation, Inc. | Device for bone fixation |
| CN205083589U (en) * | 2015-09-09 | 2016-03-16 | 苏州爱得科技发展股份有限公司 | Reinforcement type compressibility fracture struts resetting means |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018057840A (en) * | 2016-10-07 | 2018-04-12 | カイフォン・ソシエテ・ア・レスポンサビリテ・リミテ | Surgical device and use method |
| CN107913098A (en) * | 2016-10-07 | 2018-04-17 | 凯丰有限责任公司 | Surgery systems and application method |
| KR20180038972A (en) * | 2016-10-07 | 2018-04-17 | 키폰 에스에이알엘 | Surgical system and methods of use |
| CN107913098B (en) * | 2016-10-07 | 2022-04-08 | 美敦力控股有限责任公司 | Surgical system and method of use |
| KR102495037B1 (en) | 2016-10-07 | 2023-02-02 | 메드트로닉 홀딩 컴퍼니 에스에이알엘 | Surgical system and methods of use |
| CN109717910A (en) * | 2019-03-13 | 2019-05-07 | 霍建忠 | A kind of Lantern pyramidal support biopsy device |
| CN111973141A (en) * | 2020-09-02 | 2020-11-24 | 无锡市妇幼保健院 | Cervical dilator for obstetrical department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105286975B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20040087994A1 (en) | Mechanical bone tamping device for repair of osteoporotic bone fractures | |
| CN103622766B (en) | Device for bone restoration | |
| US9351739B2 (en) | Tunneling device | |
| CN102573683B (en) | Anterior inflation balloon | |
| ITGE20100144A1 (en) | PERCUTANEOUS DEVICE FOR TREATING VERTEBRAL FRACTURES | |
| CN105286975A (en) | Reinforced compression type propping-open resetting device for bone fracture | |
| CN104783880A (en) | Vertebral body kyphose forming system | |
| CN205083589U (en) | Reinforcement type compressibility fracture struts resetting means | |
| CN106214241A (en) | A kind of integral type expandable balloon bag device | |
| CN200963180Y (en) | Counterclockwise anchoring open-type self-locking marrow nail | |
| CN104546085A (en) | Bone fixing device | |
| CN202875463U (en) | Intramedullary nail extracting device | |
| CN208274653U (en) | A kind of Invasive lumbar fusion device of joinery and its construction | |
| CN103622734B (en) | Percutaneous vertebral body expansion formation system | |
| CN204581468U (en) | For the combined type medical device of bone surgery | |
| CN205073002U (en) | Distal end inflation is from locking -type intramedullary nail | |
| CN103919594B (en) | Vertebra Counterboring apparatus | |
| CN203677216U (en) | Percutaneous vertebral expansion forming system | |
| CN203468725U (en) | Dilated hip screw of proximal femoral intramedullary nail | |
| CN102813548B (en) | Intramedullary nail extractor | |
| CN111938799B (en) | Bone cement injection device capable of preventing bone cement leakage | |
| CN110301969A (en) | Intramedullary nail | |
| CN203468728U (en) | Bone cement pushing-injection device | |
| CN206526097U (en) | A kind of reinforcement type compression fracture pulling off reset device | |
| CN201734776U (en) | Intramedullary nail extractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |