CN102836002A - Kirschner wire guiding device - Google Patents
Kirschner wire guiding device Download PDFInfo
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- CN102836002A CN102836002A CN2012103320214A CN201210332021A CN102836002A CN 102836002 A CN102836002 A CN 102836002A CN 2012103320214 A CN2012103320214 A CN 2012103320214A CN 201210332021 A CN201210332021 A CN 201210332021A CN 102836002 A CN102836002 A CN 102836002A
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- kirschner wire
- pressing plate
- fixing
- ring
- wire guider
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Abstract
The invention discloses a kirschner wire guiding device. The kirschner wire guiding device comprises a hollow circular fixing ring, and at least two pressing plates which are symmetrically and axially arranged in the fixing ring in passing penetrating way; the fixing ring and the pressing plates are connected through pressure nuts; the distances between the pressing plates and the fixing ring are adjusted by the pressure nuts; the end parts of the pressure plates are provided with fixing devices; each fixing device is a plate-shaped object which is provided with a locking slot matched with the cross section of the pressing plate end part; and screw holes matched with the screw threads of the kirschner wire guiding device are arranged in the fixing device. With the adoption of the kirschner wire guiding device, the kirschner wire guiding device can be stably fixed at the needle inserting position of the limb of a patient who needs to be inserted by the kirschner wire; when the kirschner wire guiding device is used, only the kirschner wire is pushed into the needle inserting point along the kirschner wire until the top end of the kirschner wire gets to a needle withdrawing point. The kirschner wire guiding device is simple in structure and easy to operate and can be quickly and accurately pushed in, thereby avoiding the secondary damage and saving the operation time.
Description
Technical field
The present invention relates to medical instruments field, relate in particular to a kind of Kirschner wire guider.
Background technology
Kirschner wire is a kind of orthopaedics and hands surgery internal fixation material commonly used; It is about 20 centimeters that its specification generally is fixed on length; Diameter is between 0.5～2 millimeter; Be mainly used in fixing short and small fracture or the little fracture fixation of avulsion fracture iso-stress, also often be used in interim sclerite in the bone surgery fixing.For example, often fix clinically, but accurately penetrate the difficult assurance of Kirschner wire, particularly penetrate, need repeatedly squeeze into, increased the weight of secondary damage virtually, prolonged operating time from finger tip toward nearside for the fixing fixing Kirschner wire that adopts of interphalangeal joint that reaches of fracture of finger.
Though, some Kirschner wire guiders also occurred, for example along with the development of technology; In December in 2011 disclosed Chinese utility model patent on the 21st, number of patent application is 201120119087.6, discloses a kind of multi-functional Kirschner wire locating guider; Comprise that two ends connect the handle and the fixing fixed arm of fixture block respectively; Telescopic travelling arm is connected fixedly on the fixture block and but the relative fixed arm laterally slides, and the other end of telescopic travelling arm is fixed with positioning wedged block, and adjustable location travelling arm vertically is inserted in the positioning wedged block and can slides up and down; The lower end of adjustable location travelling arm is fixedly connected guiding target sleeve pipe, horizontal plug-in mounting fixed sleeving on the handle.But this Kirschner wire guider not only complex structure, take up room greatly, and be difficult for holding during operation.
Therefore, be badly in need of a kind of guider easy and simple to handle, that can assist Kirschner wire once to squeeze into exactly.
Summary of the invention
The problem that the present invention solves provides a kind of guider easy and simple to handle, that can guide Kirschner wire once to squeeze into.
For addressing the above problem; The present invention has disclosed a kind of Kirschner wire guider; Comprise that hollow and annular ring for fixing, at least two axially run through the pressing plate that is arranged in the said ring for fixing symmetrically; Connect through pressurizing nut between said ring for fixing and the said pressing plate, the distance between said pressing plate and the said ring for fixing is regulated through said pressurizing nut, and said pressing plate end is provided with holder; Said holder is the plate object that offers the draw-in groove that matches with said pressing plate end cross-sectional, offers the screw with the threads engaged of Kirschner wire guider on said holder and the pressing plate.
Preferably, the quantity of said pressing plate is four, and uniform ring is around in the said ring for fixing.
Preferably, the top of said pressurizing nut is passed said ring for fixing and is threaded with said ring for fixing, and the tail end of said pressurizing nut is fixedly connected with said pressing plate.
Preferably; The top of said pressurizing nut is passed said ring for fixing and is threaded with said ring for fixing; Be provided with pressure control device between the tail end of said pressurizing nut and the said pressing plate; Said pressure control device comprise be arranged on the said pressing plate, near the projection of said pressurizing nut one side, be provided with cavity in the said projection, be provided with spring in the said cavity; The tail end of said pressurizing nut stretches into said cavity and links to each other with a free end of said spring, and another free end of said spring links to each other with said pressing plate.
Preferably, offer the groove of the compression degree that is used to observe spring on the said projection along the prolonging direction of said spring, the outer wall subscript of said projection is marked with spring start line and pressure warning line.
Preferably, at least a portion of said projection adopts transparent material to process, and is used to observe the compression degree of spring, and the outer wall subscript of said projection is marked with spring start line and pressure warning line.
Preferably, the cross section of said holder is " ten " font, extends four extended surfaces along plane, said holder place, and said draw-in groove is arranged on the said extended surface near free end.
Preferably, said holder is disc, and said bayonet slot ring winding places the edge of said holder.
Preferably, said ring for fixing adopts the ring for fixing that carbon fibre material or highstrenghtpiston process.
Preferably, the pressing plate that said pressing plate adopts carbon fibre material or highstrenghtpiston to process, or plastic presser plate.
Compared with prior art, the present invention has the following advantages: disclosed Kirschner wire guider, during use; Can in advance patient's limbs be fixed in special posture according to multiple actual needs earlier; And the Kirschner wire guider firmly is fixed in the patient's limbs inserting needle place that waits to squeeze into Kirschner wire, and subsequently Kirschner wire is squeezed into entry point along the Kirschner wire guider, arrive out pin mark until the top of Kirschner wire and get final product; Simple in structure easy to operate; Not only can rapidly, accurately squeeze into Kirschner wire, avoid secondary damage, and practice thrift operating time.
Description of drawings
Fig. 1 is the longitudinal sectional view of Kirschner wire guider in the preferred embodiment of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the structural representation of pressure control device in the preferred embodiment of the present invention;
Fig. 5 is the structural representation of holder in the preferred embodiment of the present invention;
Fig. 6 is the structural representation of pressing plate when the Kirschner wire cross fixation;
Fig. 7 is the assembly structure sketch map of pressing plate and Kirschner wire guider when the Kirschner wire cross fixation;
Fig. 8 is the structural representation of pressing plate when carrying out the reparation of extensor tendon stop;
Fig. 9 is the structural representation that carries out distal interphalangeal joint flexing position pressing plate fixedly the time;
Figure 10 is the structural representation that carries out near, fracture of middle phalanx pressing plate fixedly the time;
Figure 11 carries out the structural representation that proximal phalangeal joints stretches position pressing plate fixedly the time;
Wherein: 1, ring for fixing; 2, pressing plate; 21, projection; 22, cavity; 3, spring; 4, pressurizing nut; 6, holder; 61, draw-in groove; 62, screw; 63, extended surface; 7, Kirschner wire guider; 8, Kirschner wire.
The specific embodiment
Below in conjunction with accompanying drawing the technical scheme in the embodiment of the invention is described in detail.
Extremely shown in Figure 3 like Fig. 1; The present invention has disclosed a kind of Kirschner wire guider, and this Kirschner wire guider comprises hollow and annular ring for fixing 1, and ring for fixing 1 is used to entangle the limbs of waiting to squeeze into Kirschner wire; Such as pointing (in the preferred embodiment of the present invention; Selecting finger to squeeze into object for Kirschner wire is example, can certainly other wait to squeeze into the position of Kirschner wire for human body, the vola the when palm during like toes, metacarpal fracture, sufficient fracture of the metatarsal bone).In order to guarantee the firmness of ring for fixing 1, the wall thickness of ring for fixing 1 is chosen in more than the 1mm.
Disclosed Kirschner wire guider comprises that also at least two axially run through the pressing plate 2 that is arranged in the ring for fixing 1 symmetrically, and pressing plate 2 is used for finger is applied certain pressure, influences fixed effect to prevent finger from arbitrarily touching.Connect through pressurizing nut 4 between ring for fixing 1 and the pressing plate 2; Distance between pressing plate 2 and the ring for fixing 1 is regulated through pressurizing nut 4; Thereby can regulate suitable distance between pressing plate 2 and finger according to patients finger thickness situation,, be convenient to operation to hold the limbs of different thicknesses.
In the preferred embodiment of the present invention, the quantity of pressing plate 2 is four, and uniform ring is around in the ring for fixing 1, so is provided with, not only can be effectively fixing injured limb, but and economical with materials, reduce cost.Certainly, also can suitably increase or reduce the quantity of pressing plate 2, adapting to special circumstances, as when pointing a side and having foreign body to place pressing plate, can only place 2 block pressur plates symmetrically, and for example place 2 block pressur plates up and down during metacarpal fracture.
Particularly, the connected mode between ring for fixing 1, pressing plate 2 and the pressurizing nut 4 can for: the top of pressurizing nut 4 is passed ring for fixing 1 and is threaded with ring for fixing 1, and the tail end of pressurizing nut 4 is fixedly connected with pressing plate 2.So be provided with,, can regulate the distance between pressing plate 2 and the ring for fixing 1 like a cork,, be convenient to operation to hold the limbs of different thicknesses through rotation pressurizing nut 4.
The excessive generation soft tissue injury of pressing plate 2 pairs of patient's limbs institutes applied pressure in order to prevent to use; Offer the groove (figure does not show) of the compression degree that is used to observe spring 3 on the projection 21 along the prolonging direction of spring 3, the outer wall subscript of projection 21 is marked with spring start line and pressure warning line.
Perhaps; Also can not be provided for observing the groove of the compression degree of spring 3 on the projection 21; But take another kind of alternative method: at least a portion of projection 21 adopts transparent material to process, and can observe the compression degree of spring 3 very intuitively, and the outer wall subscript of projection 21 is marked with spring start line and pressure warning line; Through selecting the spring of suitable elasticity for use, but according to just calculating pressure size of compression degree.
In the preferred embodiment of the present invention, as shown in Figure 5, extend four extended surfaces 63 along plane, holder 6 place, the cross section of holder 6 is " ten " font, draw-in groove 61 is arranged on the extended surface near free end.
Certainly, holder 6 also can be set to be disc, and draw-in groove 61 is around the edge that is arranged at holder 6.
In order to adapt to the different finger of thickness, holder 6 has plurality of specifications, during use, measure earlier finger with up and down, distance between the clamping plate of the left and right sides, to select the specification of suitable holder 6, so that the Kirschner wire guider 7 and the phalanges longitudinal axis are in line.
Block in order to prevent that 1 pair of patient's injured limb of ring for fixing position produces in the operative treatment process, thereby influence X-ray examination, ring for fixing 1 adopts carbon fibre material to process.Carbon fiber is the excellent new material of a kind of mechanical property, and not only the X ray permeability is good, and its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength all more than 3500Mpa, is 7 ~ 9 times of steel generally.Certainly, except carbon fibre material, ring for fixing 1 also can adopt on-deformable highstrenghtpiston to process.
In like manner, pressing plate 2 also can adopt carbon fibre material or highstrenghtpiston to process, with the requirement of satisfying high strength and not blocking the X line.
Because this device is used for operation, can carry out the sterilization treatment condition so the material that these all parts of device are adopted all should satisfy, the conventional high pressure steam sterilization that adopts, sterilising conditions requires: steam pressure 205.8kPa (2.1kg/cm
2), temperature reaches more than 132 ℃ and kept 10 minutes.
During use; Only need ring for fixing 1 is inserted in patient's injured limb carefully, adjust the position of treating fixed position, be screwed into each pressurizing nut 4; 2 pairs of injured limb of pressing plate are evenly pressurizeed; Institute's applied pressure is controlled at not damage patient's soft tissue and exceeds, and the top of selecting the holder 6 of appropriate size to be inserted in pressing plate 2 is then overlapped fashionable attention and made draw-in groove 61 on the holder 6 aim at the top of pressing plates 2; At last the screw on the screw thread secured in alignment device 6 of Kirschner wire guider 7 tail ends 62 is also screwed in, Kirschner wire is squeezed into along Kirschner wire guider 7 treated on the limbs that fixed position gets final product.
In addition; For the situation of needs with the Kirschner wire cross fixation; Can on pressing plate 2, design three threaded screws, as shown in Figure 6, these three screws are respectively 90 °, 45 °, 15 ° with respect to the angle of inclination of pressing plate 2 place horizontal planes; As long as it is being screwed into Kirschner wire guider 7 at each screw can squeeze into Kirschner wire along Kirschner wire guider 7, as shown in Figure 7.Certainly, screw design attitude on the pressing plate 2 and angle can be diversified here, and to satisfy the various fixed demand, the side neurovascular bundle should be avoided pointing in the position of screw.
On the other hand, when carrying out the reparation of extensor tendon stop, then need distal interphalangeal joint be fixed in and stretch the position, as shown in Figure 8; When carrying out distal interphalangeal joint fusion or the reconstruction of flexor digitorum profundus tendon stop, need distal interphalangeal joint is fixed in 45 ° in the wrong, as shown in Figure 9; Near when carrying out, fracture of middle phalanx resets, fixedly the time, need should save Phalangeal fracture also straight the fixing that reset, and is shown in figure 10; Stretch the position fixedly the time when carrying out proximal phalangeal joints, need that proximal phalangeal joints is stretched the position and fix, shown in figure 11.In actual the use, can design difform pressing plate, so that it is fixing to thread a needle after finger fixed in advance again according to different needs.
Disclosed Kirschner wire guider; Can in advance finger be fixed in special posture according to multiple actual needs earlier; And the Kirschner wire guider firmly is fixed in the patients finger inserting needle place that waits to squeeze into Kirschner wire; Screw on holder and the pressing plate has a plurality of special angles, direction, and clinical use can select suitable screw to be screwed into the Kirschner wire guider according to actual needs.During use, only need Kirschner wire is squeezed into entry point along the Kirschner wire guider, arrive out pin mark until the top of Kirschner wire and get final product; Simple in structure easy to operate; Can be rapidly, exactly Kirschner wire is squeezed into, avoid secondary damage, be applicable to many flexibly moving fingers especially; On the other hand,, not only practiced thrift operating time, and do not influenced patient's limbs and carry out the X-ray ray examination through using this Kirschner wire guider.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. Kirschner wire guider; It is characterized in that: comprise that hollow and annular ring for fixing (1), at least two axially run through the pressing plate (2) that is arranged in the said ring for fixing (1) symmetrically; Connect through pressurizing nut (4) between said ring for fixing (1) and the said pressing plate (2); Distance between said pressing plate (2) and the said ring for fixing (1) is regulated through said pressurizing nut (4); Said pressing plate (2) end is provided with holder (6); Said holder (6) is for offering the plate object of the draw-in groove (61) that matches with said pressing plate (2) end cross-sectional, offers the screw with the threads engaged of Kirschner wire guider (7) on said holder (6) and the pressing plate (2).
2. Kirschner wire guider according to claim 1 is characterized in that: the quantity of said pressing plate (2) is four, and uniform ring is around in the said ring for fixing (1).
3. Kirschner wire guider according to claim 1; It is characterized in that: the top of said pressurizing nut (4) is passed said ring for fixing (1) and is threaded with said ring for fixing (1), and the tail end of said pressurizing nut (4) is fixedly connected with said pressing plate (2).
4. Kirschner wire guider according to claim 1; It is characterized in that: the top of said pressurizing nut (4) is passed said ring for fixing (1) and is threaded with said ring for fixing (1); Be provided with pressure control device between the tail end of said pressurizing nut (4) and the said pressing plate (2); Said pressure control device comprise be arranged at said pressing plate (2) go up, near the projection (21) of said pressurizing nut (4) one side; Be provided with cavity (22) in the said projection (21); Be provided with spring (3) in the said cavity (22), the tail end of said pressurizing nut (4) stretches into said cavity (22) and links to each other with a free end of said spring (3), and another free end of said spring (3) links to each other with said pressing plate (2).
5. Kirschner wire guider according to claim 4; It is characterized in that: said projection (21) is gone up the groove that offers the compression degree that is used to observe spring (3) along the prolonging direction of said spring (3), and the outer wall subscript of said projection (21) is marked with spring start line and pressure warning line.
6. Kirschner wire guider according to claim 4; It is characterized in that: at least a portion of said projection (21) adopts transparent material to process; Be used to observe the compression degree of spring (3), the outer wall subscript of said projection (21) is marked with spring start line and pressure warning line.
7. Kirschner wire guider according to claim 1; It is characterized in that: the cross section of said holder (6) is " ten " font; Extend four extended surfaces along plane, said holder (6) place, said draw-in groove (61) is arranged on the said extended surface near free end.
8. Kirschner wire guider according to claim 1 is characterized in that: said holder (6) is disc, and said draw-in groove (61) is around the edge that is arranged at said holder (6).
9. Kirschner wire guider according to claim 1 is characterized in that: the ring for fixing that said ring for fixing (1) adopts carbon fibre material or highstrenghtpiston to process.
10. Kirschner wire guider according to claim 1 is characterized in that: the pressing plate that said pressing plate (2) adopts carbon fibre material or highstrenghtpiston to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332021.4A CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210332021.4A CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102836002A true CN102836002A (en) | 2012-12-26 |
| CN102836002B CN102836002B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210332021.4A Expired - Fee Related CN102836002B (en) | 2012-09-10 | 2012-09-10 | Kirschner wire guiding device |
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| CN (1) | CN102836002B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN105963010A (en) * | 2015-04-14 | 2016-09-28 | 冀旭斌 | Pivot cone odontoid aiming device |
| CN107854168A (en) * | 2017-11-30 | 2018-03-30 | 扬州大学附属医院 | A kind of method and device for treating fracture of scaphoid bone of wrist |
| CN111513907A (en) * | 2020-04-30 | 2020-08-11 | 李卿 | Automatic splint for orthopedics department |
| CN111658117A (en) * | 2020-07-14 | 2020-09-15 | 山东中医药大学附属医院 | Calcaneus fracture fixing plate |
| US11666361B1 (en) | 2022-02-24 | 2023-06-06 | Rambam Medtech Ltd. | Device and method for phalanx fracture reduction |
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| CN2120554U (en) * | 1992-02-28 | 1992-11-04 | 王瑞稳 | Fracture closed treating device for leg bone |
| CN2135345Y (en) * | 1992-07-14 | 1993-06-09 | 中国中医研究院骨伤科研究所 | Fracture reduction fixator with moving needle lock and pressing board |
| EP0617927A1 (en) * | 1993-03-28 | 1994-10-05 | Yehiel Gotfried | Surgical device for connection of fractured bones |
| CN201617943U (en) * | 2010-03-30 | 2010-11-03 | 沙连生 | Dynamic hip guider |
| US7833230B2 (en) * | 2005-04-20 | 2010-11-16 | Arthroscopic Innovations Llc | Method and apparatus for providing a passageway |
| CN202761430U (en) * | 2012-09-10 | 2013-03-06 | 苏州大学 | Kirschner wire guiding device |
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2012
- 2012-09-10 CN CN201210332021.4A patent/CN102836002B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2120554U (en) * | 1992-02-28 | 1992-11-04 | 王瑞稳 | Fracture closed treating device for leg bone |
| CN2135345Y (en) * | 1992-07-14 | 1993-06-09 | 中国中医研究院骨伤科研究所 | Fracture reduction fixator with moving needle lock and pressing board |
| EP0617927A1 (en) * | 1993-03-28 | 1994-10-05 | Yehiel Gotfried | Surgical device for connection of fractured bones |
| US7833230B2 (en) * | 2005-04-20 | 2010-11-16 | Arthroscopic Innovations Llc | Method and apparatus for providing a passageway |
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| CN202761430U (en) * | 2012-09-10 | 2013-03-06 | 苏州大学 | Kirschner wire guiding device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105963010A (en) * | 2015-04-14 | 2016-09-28 | 冀旭斌 | Pivot cone odontoid aiming device |
| CN105662572A (en) * | 2016-03-15 | 2016-06-15 | 丁勇 | Kirschner wire guider |
| CN105662572B (en) * | 2016-03-15 | 2018-10-30 | 丁勇 | Kirschner wire guider |
| CN107854168A (en) * | 2017-11-30 | 2018-03-30 | 扬州大学附属医院 | A kind of method and device for treating fracture of scaphoid bone of wrist |
| CN111513907A (en) * | 2020-04-30 | 2020-08-11 | 李卿 | Automatic splint for orthopedics department |
| CN111658117A (en) * | 2020-07-14 | 2020-09-15 | 山东中医药大学附属医院 | Calcaneus fracture fixing plate |
| US11666361B1 (en) | 2022-02-24 | 2023-06-06 | Rambam Medtech Ltd. | Device and method for phalanx fracture reduction |
| WO2023161930A1 (en) * | 2022-02-24 | 2023-08-31 | Rambam Medtech Ltd. | Phalanx fracture reduction |
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|---|---|
| CN102836002B (en) | 2014-12-10 |
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Granted publication date: 20141210 Termination date: 20170910 |