CN105395236A - Minimally-invasive bone fetcher - Google Patents
Minimally-invasive bone fetcher Download PDFInfo
- Publication number
- CN105395236A CN105395236A CN201511008357.5A CN201511008357A CN105395236A CN 105395236 A CN105395236 A CN 105395236A CN 201511008357 A CN201511008357 A CN 201511008357A CN 105395236 A CN105395236 A CN 105395236A
- Authority
- CN
- China
- Prior art keywords
- rear end
- bone
- cutting part
- micro
- ilium
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses a minimally-invasive bone fetcher and belongs to the field of medical apparatus and instruments. By means of the minimally-invasive bone fetcher, cylindrical ilium or broken ilium can be obtained. The bone fetcher capable of obtaining the cylindrical ilium comprises a bone cutting cylinder and a cutting device (a). The bone cutting cylinder is in a cylindrical shape, the front end portion of the bone cutting cylinder is provided with annular sawteeth (a), the rear end of the bone cutting cylinder is provided with a connection portion (a), and the cutting device (a) is composed of a cylindrical body (a), a handle (a), a connection rod, a connection rod handle and a semi-arc blade; or the bone fetcher capable of obtaining the cylindrical ilium comprises a bone cutting cylinder and a cutting device (b), wherein the cutting device (b) is composed of a cylindrical body (b), a handle (b), a fretsaw and a pull ring. The bone fetcher capable of obtaining the broken ilium comprises a cutting portion, a collection portion and a connection portion, the front end portion of the cutting portion is provided with annular sawteeth (b), and the inner wall of the cutting portion is provided with spiral cutters capable of breaking the ilium and conveying the ilium fragments to the rear end of the cutting portion. The minimally-invasive bone fetcher is small in incision, less in bleeding and capable of shortening operation time and lowering complication of infection, pain, hematoma and unhealed incision and the like.
Description
Technical field
The present invention relates to medical instruments field, particularly micro-wound bone taking device.
Background technology
Self bone replant is the classical modus operandi for the treatment of Cranial defect, bone tumor, spinal column and joint fusion always, the best graft and goldstandard that merge, but the bone method of getting that applying clinical reaches decades is traditional open large otch (more than 4 to 5 centimetres) always, knock with the method for osteotome and get bone, wound is large, hemorrhage many, the complication such as infection, pain, hematoma, otch disunion are many, limit the clinical practice of ilium.
Summary of the invention
Micro-wound bone taking device provided by the invention, otch is little, goes out insufficiency of blood, can shorten operating time, and the complication such as infection, pain, hematoma, otch disunion are reduced.The present invention gets except bone except being applied to ilium, and what be also applicable to other skeletons gets bone.
For achieving the above object, the technical solution used in the present invention has following three kinds:
The first micro-wound bone taking device, comprise deep cylinder, shearing device a, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device a is by the body a of cylindrical shape, handle a, connecting rod, connecting rod handle and semicircular arc blade composition, described body a diameter is identical with deep cylinder diameter, both sides, body a rear end arrange handle a, body a sidewall arranges through hole vertically, described connecting rod runs through through hole, connecting rod front end is connected with semicircular arc blade one end, connecting rod is vertical with semicircular arc blade, connecting rod rear end arranges connecting rod handle.
Preferably, the width of described semicircular arc blade is less than or equal to the wall thickness of body a, and the length of semicircular arc blade is more than or equal to 1/6th of body a end face girth.
Using method of the present invention: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of deep cylinder is inserted into ilium surface, connecting portion a is connected motor or artificial handle, rotate deep cylinder, ilium is sawed out a cannelure, take out deep cylinder, the body a of shearing device a is inserted annular groove bottom, utilize connecting rod handle to rotate semicircular arc blade, cylindrical ilium in the middle of cannelure is cut off from annular groove bottom, complete cylindrical ilium can be taken out.
Beneficial effect of the present invention: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, wound is little; Complete cylindrical ilium can be obtained, expand the range of application of self bone replant; Shearing device a delicate structure, easy to operate.
The second micro-wound bone taking device, comprise deep cylinder, shearing device b, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device b is made up of body b, the handle b of cylindrical shape, scroll saw and draw ring, described body b diameter is identical with deep cylinder diameter, both sides, body b rear end arrange handle b, body b opposing sidewalls respectively arranges through hole vertically, and described scroll saw two ends penetrate rear end from the front end of two through hole respectively and pass and connect draw ring respectively.
Preferably, described scroll saw is except the part exposed in body b front end has sawtooth, and remainder is steel wire.
Using method of the present invention: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of deep cylinder is inserted into ilium surface, connecting portion a is connected motor or artificial handle, rotate deep cylinder, ilium is sawed out a cannelure, take out deep cylinder, when the body b of shearing device b is inserted annular groove bottom, the scroll saw that body b exposes front end is that semicircle is attached to body b front edge (as shown in Figure 4), after firmly pulling draw ring, the scroll saw of front end has the trend (as shown in Figure 5) becoming body b front end face diameter, utilize handle b rotary cutoff device b, ilium column bottom can be cut, finally can take out complete cylindrical ilium.
Beneficial effect of the present invention: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, wound is little; Complete cylindrical ilium can be obtained, expand the range of application of self bone replant; Shearing device b delicate structure, easy to operate.
The third micro-wound bone taking device, comprise cutting part, collection unit, connecting portion, described cutting part is cylindric, the forward end of cutting part is provided with circular saw b, the inwall of cutting part is provided with can be smashed ilium and the spiraled knife transported to cutting part rear end by ilium fragment, the rear end of cutting part is communicated with collection unit, and the rear end of collection unit is connected with connecting portion b.
Preferably, the diameter in the middle part of described collection unit is greater than the diameter at two ends.
Preferably, the edge of a knife of described spiraled knife and the front end face of cutting part are positioned at same plane, and blade arranges to cutting part rear end twist.
Further, the edge of a knife of described spiraled knife is through the center of circle of cutting part front end face.
Further, described spiraled knife has two at least, and the edge of a knife of spiraled knife is uniformly distributed.
Using method of the present invention: open one osculum on patient skin, with dilator, osculum is strutted, again the front end of cutting part is inserted into ilium surface, connecting portion b is connected motor or artificial handle, rotate whole micro-wound bone taking device, the direction identical with the hand of spiral of spiraled knife (the broken ilium that the edge of a knife namely can be made to cut is transported to collection unit) rotated, takes off micro-wound bone taking device and can obtain broken ilium after reaching desired depth.
Beneficial effect of the present invention: otch little (caning be controlled within 1 centimetre), go out insufficiency of blood, wound is little; Disposablely complete punching and get bone, operating time is short.
Accompanying drawing explanation
Fig. 1 is the structural representation of deep cylinder in embodiment one and embodiment two;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the structural representation of shearing device a in embodiment one;
Fig. 4 is the structural representation (when inserting cannelure) of shearing device b in embodiment two;
Fig. 5 is the structural representation (during cannelure internal cutting) of shearing device b in embodiment two;
Fig. 6 is the structural representation of embodiment three;
In figure: the deep cylinder of 1-, 11-circular saw a, 12-connecting portion a, 121-groove; 2-shearing device a, 21-body a, 22-handle a, 23-connecting rod, 24-connecting rod handle, 25-semicircular arc blade; 3-shearing device b, 31-body b, 32-handle b, 33-scroll saw, 34-draw ring; The third micro-wound bone taking device of 4-, 41-cutting part, 42-collection unit, 43-connecting portion b, 411-circular saw, 412-spiraled knife.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.
Embodiment one:
As Figure 1-3, the present invention includes deep cylinder 1, shearing device a2, deep cylinder 1 is cylindric, the forward end of deep cylinder 1 is provided with circular saw a11, the rear end of deep cylinder 1 is provided with connecting portion a12, shearing device a2 is by the body a21 of cylindrical shape, handle a22, connecting rod 23, connecting rod handle 24 and semicircular arc blade 25 form, body a21 diameter is identical with deep cylinder 1 diameter, both sides, body a21 rear end arrange handle a22, body a21 sidewall arranges through hole vertically, connecting rod 23 runs through through hole, connecting rod 23 front end is connected with semicircular arc blade 25 one end, connecting rod 23 is vertical with semicircular arc blade 25, connecting rod 23 rear end arranges connecting rod handle 24, the width of semicircular arc blade 25 is less than or equal to the wall thickness of body a21, the length of semicircular arc blade 25 is more than or equal to 1/6th of body a21 end face girth.
Embodiment two:
As Fig. 1, 2, shown in 4 and 5, the present invention includes deep cylinder 1, shearing device b3, deep cylinder 1 is cylindric, the forward end of deep cylinder 1 is provided with circular saw a11, the rear end of deep cylinder 1 is provided with connecting portion a12, shearing device b3 is by the body b31 of cylindrical shape, handle b32, scroll saw 33 and draw ring 34 form, body b31 diameter is identical with deep cylinder 1 diameter, both sides, body b32 rear end arrange handle b32, body b31 opposing sidewalls respectively arranges through hole vertically, scroll saw 33 two ends penetrate rear end respectively and pass and connect draw ring 34 respectively from the front end of two through hole, scroll saw 33 is except the part exposed in body b31 front end has sawtooth, remainder is steel wire.
Embodiment three:
As shown in Figure 6, the present invention includes cutting part 41, collection unit 42, connecting portion b43, cutting part 41 is cylindric, the forward end of cutting part 41 is provided with circular saw b411, the inwall of cutting part 41 is provided with can be smashed ilium and the spiraled knife 412 transported to cutting part 41 rear end by ilium fragment, the rear end of cutting part 41 is communicated with collection unit 42, the rear end of collection unit 42 is connected with connecting portion b43, diameter in the middle part of collection unit 42 is greater than the diameter at two ends, the edge of a knife of spiraled knife 412 and the front end face of cutting part 41 are positioned at same plane, blade arranges to cutting part 41 rear end twist, the edge of a knife of spiraled knife 412 is through the center of circle of cutting part 41 front end face, spiraled knife 412 has two at least, the edge of a knife of spiraled knife 412 is uniformly distributed.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (9)
1. micro-wound bone taking device, it is characterized in that: comprise deep cylinder, shearing device a, described deep cylinder is cylindric, the forward end of deep cylinder is provided with circular saw a, the rear end of deep cylinder is provided with connecting portion a, described shearing device a is by the body a of cylindrical shape, handle a, connecting rod, connecting rod handle and semicircular arc blade composition, described body a diameter is identical with deep cylinder diameter, both sides, body a rear end arrange handle a, body a sidewall arranges through hole vertically, described connecting rod runs through through hole, connecting rod front end is connected with semicircular arc blade one end, connecting rod is vertical with semicircular arc blade, connecting rod rear end arranges connecting rod handle.
2. micro-wound bone taking device according to claim 1, is characterized in that: the width of described semicircular arc blade is less than or equal to the wall thickness of body a, and the length of semicircular arc blade is more than or equal to 1/6th of body a end face girth.
3. micro-wound bone taking device according to claim 1, it is characterized in that: substitute shearing device a by shearing device b, described shearing device b is made up of body b, the handle b of cylindrical shape, scroll saw and draw ring, described body b diameter is identical with deep cylinder diameter, both sides, body b rear end arrange handle b, body b opposing sidewalls respectively arranges through hole vertically, and described scroll saw two ends penetrate rear end from the front end of two through hole respectively and pass and connect draw ring respectively.
4. micro-wound bone taking device according to claim 3, is characterized in that: described scroll saw is except the part exposed in body b front end has sawtooth, and remainder is steel wire.
5. micro-wound bone taking device, it is characterized in that: comprise cutting part, collection unit, connecting portion, described cutting part is cylindric, the forward end of cutting part is provided with circular saw b, the inwall of cutting part is provided with can be smashed ilium and the spiraled knife transported to cutting part rear end by ilium fragment, the rear end of cutting part is communicated with collection unit, and the rear end of collection unit is connected with connecting portion b.
6. micro-wound bone taking device according to claim 5, is characterized in that: the diameter in the middle part of described collection unit is greater than the diameter at two ends.
7. the micro-wound bone taking device according to claim 5 or 6, is characterized in that: the edge of a knife of described spiraled knife and the front end face of cutting part are positioned at same plane, and blade arranges to cutting part rear end twist.
8. micro-wound bone taking device according to claim 7, is characterized in that: the edge of a knife of described spiraled knife is through the center of circle of cutting part front end face.
9. micro-wound bone taking device according to claim 8, it is characterized in that: described spiraled knife has two at least, the edge of a knife of spiraled knife is uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008357.5A CN105395236A (en) | 2015-12-29 | 2015-12-29 | Minimally-invasive bone fetcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008357.5A CN105395236A (en) | 2015-12-29 | 2015-12-29 | Minimally-invasive bone fetcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105395236A true CN105395236A (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511008357.5A Pending CN105395236A (en) | 2015-12-29 | 2015-12-29 | Minimally-invasive bone fetcher |
Country Status (1)
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| CN (1) | CN105395236A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106037877A (en) * | 2016-08-19 | 2016-10-26 | 董谢平 | Coring equipment and application method thereof |
| CN113853172A (en) * | 2019-03-11 | 2021-12-28 | 玻色股份公司 | Bone-cutting device |
| CN114557747A (en) * | 2022-02-24 | 2022-05-31 | 四川大学华西医院 | Orthopedics drilling tool |
| CN117084749A (en) * | 2023-10-13 | 2023-11-21 | 四川大学华西医院 | Safe and quick bone taking device |
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| CN114557747A (en) * | 2022-02-24 | 2022-05-31 | 四川大学华西医院 | Orthopedics drilling tool |
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Application publication date: 20160316 |
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