CN103908327A - Fracture reduction lifting needle - Google Patents
Fracture reduction lifting needle Download PDFInfo
- Publication number
- CN103908327A CN103908327A CN201410149784.4A CN201410149784A CN103908327A CN 103908327 A CN103908327 A CN 103908327A CN 201410149784 A CN201410149784 A CN 201410149784A CN 103908327 A CN103908327 A CN 103908327A
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- CN
- China
- Prior art keywords
- shank
- reduction
- clamping part
- core bar
- bar
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- 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.)
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- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a fracture reduction lifting needle which comprises a needle bar with a tip. The needle bar is provided with a clamping portion, an insertion hole which is matched with the tail of the needle bar is formed in one end of the clamping portion, a handle is arranged at the other end of the clamping portion, threads are arranged at the end, where the tip is arranged, of the needle bar, buckles are arranged in the insertion hole, and a clamp groove which is matched with the buckles is formed in the tail of the needle bar. The cross section of the tip is triangular. The clamping portion comprises a core bar and a sleeve, the insertion hole is formed in the core bar, the sleeve sleeves the core bar, at least two through holes which are perpendicular to the insertion hole are formed in the middle of the core bar, and the buckles are collision beads which are inlaid in the through holes. The fracture reduction lifting needle has the advantages that the tip is prismatic, is high in sharpness and can be driven into the femoral cortical bone of a patient easily, and accordingly the operation time can be saved; a needle head is provided with the threads, so that the fracture reduction lifting needle is high in pullout strength, and is not easy to loosen or fall off during reduction operation.
Description
Technical field
The present invention relates to medical apparatus and instruments, particularly the reduction of the fracture lifts pin.
Background technology
The dry displacement fracture of adult thighbone all adopts operative treatment at present, the fixing preferred manner that become in femur strand lock intramedullary nail.Along with the popularization of minimally-invasive treatment theory, it is little that closed reduction femur strand lock intramedullary nail inner fixation treatment of femoral shaft fractures has wound, goes out insufficiency of blood, do not peel off periosteum, do not disturb fracture end blood fortune, and union of fracture is fast, postoperative interior solid failure few intercurrent disease.But because leg muscle is abundant, after fracture, obviously, in closed reduction process, due to action of gravity, fracture far-end is rearward shifted, and may have rotation simultaneously in fracture end displacement.Bring difficulty to closed reduction, even unsuccessfully make in open reduction fixing.
Conventional method is for squeezing into Kirschner wire or steinman pin lifts in fracture far-end, but due to Kirschner wire or steinman pin not threaded, in reseting procedure, easily get loose, needle body is softer simultaneously, cannot exert oneself, cannot Retracting repositioning for lateral displacement.And half-thread acanthin ground is too soft, drawback is with Kirschner wire and steinman pin, and full thread acanthin ground is too hard, cannot bending, and inconvenience is controlled.Needle tip is too blunt, needs first to hole with electric drill, then is screwed into, and delays operating time, may have the drawback that hold is inadequate simultaneously.And rely on merely assistant to hold with hand steered that exist can not be lasting, hinder operator operation technique etc.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of reduction of the fracture and lift pin, in fracture of shaft of femur closed reduction strand lock intramedullary nail is fixing, can conveniently squeeze in sclerotin, temporary fixed hold is large, and handling are fast beneficial to assistant by lifting pin traction fracture end to all directions activity simultaneously, can in reset, accomplish to lift, pushing, side traction, rotation etc., be beneficial to closed reduction.
The present invention is achieved through the following technical solutions:
The reduction of the fracture lifts pin, comprise and establish cuspidated shank, described shank is provided with clamping part, clamping part one end is provided with the jack mating with shank afterbody, the other end is provided with handle, if cuspidated this one end shank is provided with screw thread, in described jack, be provided with buckle, described shank afterbody is provided with and the draw-in groove being clasped.
The transverse section at described tip is triangular in shape.
Described handle is vertically connected at clamping part, and projection is in T shape.
The link of described shank and clamping part, is provided with the cylindrical thick bar that one section of diameter is greater than all the other shaft diameters; Described thick bar length is 1/3rd of shank length, and described draw-in groove is positioned at thick bar afterbody.
The link of described thick bar and clamping part, its cross section semicircular in shape, triangle, square or hexagon.
Described clamping part comprises the core bar that is provided with jack and the sleeve pipe that is placed on core bar, at least be provided with two through holes perpendicular to jack at core bar medium position, described buckle is the collision bead embedding in through hole, is provided with the first ring connected in star that holds collision bead at the internal surface of sleeve pipe of through hole bottom.
Through hole two ends mouth diameters is less than collision bead diameter, and the width of rebate of first ring connected in star is more than or equal to through hole mouth diameters, and described collision bead diameter is greater than the thickness of core bar.
The internal surface of sleeve pipe of first ring connected in star bottom is provided with the second annular groove, in described the second annular groove, is provided with Compress Spring, and described Compress Spring two ends are fixedly connected with internal surface of sleeve pipe with core bar outer wall respectively.
Beneficial effect of the present invention:
One, tip of the present invention is Rhizoma Sparganii type, and sharp property increases, and is easy to squeeze in the cortical bone of femur, does not need first to hole with electric drill, then is screwed into nail, saves operating time.
Two, syringe needle of the present invention is provided with screw thread, therefore has very strong hold, is difficult for relaxing, coming off in reset operation.
Three, the thick bar part of afterbody overstriking of the present invention is not yielding in reset operation, can Reusability.
Four, the design of clamping part of the present invention can make shank load and unload fast, is first arranged in electric drill and squeezes in backbone lifting pin, and then be quickly installed in clamping part and carry out next step operation, has saved operating time.
Five, T-shaped handle design of the present invention is beneficial to patient's gripping, conveniently lifts, pushes, draws, rotates to all directions, and operation is more comfortable simultaneously.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is shank structural representation of the present invention.
Fig. 3 is A direction view in Fig. 2.
Fig. 4 is grip structure schematic diagram of the present invention.
Fig. 5 is clamping part cross-sectional schematic of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention includes the shank 1 that is provided with most advanced and sophisticated 2, shank 1 is provided with clamping part 4, clamping part 4 one end are provided with the jack 5 mating with shank 1 afterbody, and the other end is provided with handle 3, during for the ease of operation, control, in the present embodiment, handle 3 is vertically connected at clamping part 4, and projection is in T shape.
On this one end shank 1 that is provided with most advanced and sophisticated 2, be provided with screw thread 20, using of the present inventionly while lifting pin, screw thread 20 can conveniently pierce skeleton, and has very strong hold, is difficult for relaxing, coming off in reset operation.Certainly, in order to increase by most advanced and sophisticated 2 sharp property, be convenient to pierce skeleton, most advanced and sophisticated 2 is triangular prism shape, and its transverse section is triangular in shape.
As shown in Figure 4, be provided with the jack 5 matching with shank 1 afterbody size shape in the central authorities of clamping part 4, in jack 5, be provided with buckle, and be provided with and the draw-in groove 10 being clasped at shank 1 afterbody.
As shown in Figure 5, clamping part 4 comprises the core bar 6 that is provided with jack 5 and the sleeve pipe 7 that is placed on core bar 6, is at least provided with two through holes 60 perpendicular to jack 5 at core bar 6 medium positions.
Be the collision bead 8 embedding in through hole 60 for limiting the buckle of shank 1, through hole 60 two ends mouth diameters are less than collision bead 8 diameters, and collision bead 8 diameters are greater than the thickness of core bar 6.Make like this collision bead 8 be limited in through hole 60 and can be not out, collision bead 8 can be pressed against the side near jack 5 simultaneously, and its part of stretching out from through hole 60 just in time stretches into the draw-in groove 10 of shank 1 afterbody, as buckle, the position limitation of shank 1 is lived.
Sleeve pipe 7 inwalls are close to core bar 6 outer walls, and therefore the squeezed side toward jack 5 of collision bead 8 meeting, forms the restriction to shank 1.And in order to take out or put into shank 1, all need to remove buckle restriction temporarily, and being therefore provided with at sleeve pipe 7 inwalls of through hole 60 bottoms the first ring connected in star 70 that holds collision bead 8, the width of rebate of first ring connected in star 70 is more than or equal to the mouth diameters of through hole 60.
By sleeve pipe 7 with respect to core bar 6 down slidings, make first ring connected in star 70 aligned through holes 60, when now wish is taken out shank 1, the afterbody of shank 1 can head into collision bead 8 in through hole 60, because the diameter of collision bead 8 is greater than the thickness of core bar 6, so collision bead 8 will be stretched out from through hole 60 opposite sides, so, the part of stretching out is just just in time contained in first ring connected in star 70.
Taking out or putting into after shank 1, in order to allow sleeve pipe 7 automatic homings, be provided with in the second annular groove 71, the second annular grooves 71 and be provided with Compress Spring 9 at sleeve pipe 7 inwalls of first ring connected in star 70 bottoms, these Compress Spring 9 two ends are fixedly connected with sleeve pipe 7 inwalls with core bar 6 outer walls respectively.By the effect of Compress Spring 9, can allow the sleeve pipe 7 after sliding be returned to origin-location.
As shown in Figures 2 and 3, the link of shank 1 and clamping part 4, is provided with the cylindrical thick bar 11 that one section of diameter is greater than all the other shaft diameters; Described thick bar 11 length are 1/3rd of shank 1 length, and described draw-in groove 10 is positioned at thick bar 11 afterbodys.The object of overstriking is for not yielding in reset operation, can Reusability, because it is just little to lift the diameter of pin own, if reprocess out draw-in groove 10, the diameter of draw-in groove 10 bottoms will be less, easily fractures.
The afterbody of shank 1 is made non-cylindrical, can prevent from operating time, between shank 1 and clamping part 4, slides, and the shape of the afterbody cross section of shank 1 can be semicircle, triangle, square or hexagon.And corresponding, the jack 5 on clamping part will become various shapes with the form fit of shank 1.As shown in Figures 2 and 3, in the present embodiment, what the afterbody shape of cross section of shank 1 was selected is semicircle, so the shape of jack 5 is also semicircle, same draw-in groove 10 is only also the half of annulus, so the position of through hole 60 is positioned at a semicircular side.
In actual applications, buckle mode of the prior art has a variety of, all after deformable, is applied to the present invention, such as buckle of spring pearl formula buckle, ball buckle or other non-pearl classes etc.
Claims (8)
1. the reduction of the fracture lifts pin, comprise the shank (1) that is provided with tip (2), it is characterized in that: described shank (1) is provided with clamping part (4), clamping part (4) one end is provided with the jack (5) mating with shank (1) afterbody, the other end is provided with handle (3), this one end shank (1) that is provided with tip (2) is provided with screw thread (20), and described jack is provided with buckle in (5), and described shank (1) afterbody is provided with and the draw-in groove being clasped (10).
2. the reduction of the fracture according to claim 1 lifts pin, it is characterized in that: the transverse section of described tip (2) is triangular in shape.
3. the reduction of the fracture according to claim 1 and 2 lifts pin, it is characterized in that: described handle (3) is vertically connected at clamping part (4), and projection is in T shape.
4. the reduction of the fracture according to claim 4 lifts pin, it is characterized in that: the link of described shank (1) and clamping part (4), is provided with the cylindrical thick bar (11) that one section of diameter is greater than all the other shaft diameters; Described thick bar (11) length is 1/3rd of shank (1) length, and described draw-in groove (10) is positioned at thick bar (11) afterbody.
5. the reduction of the fracture according to claim 4 lifts pin, it is characterized in that: the link of described thick bar (11) and clamping part (4), its cross section semicircular in shape, triangle, square or hexagon.
6. the reduction of the fracture according to claim 1 lifts pin, it is characterized in that: described clamping part (4) comprises the core bar (6) that is provided with jack (5) and the sleeve pipe (7) that is placed on core bar (6), at least be provided with two through holes perpendicular to jack (5) (60) at core bar (6) medium position, described buckle, for embedding the collision bead (8) in through hole (60), is provided with at sleeve pipe (7) inwall of through hole (60) bottom the first ring connected in star (70) that holds collision bead (8).
7. the reduction of the fracture according to claim 6 lifts pin, it is characterized in that: through hole (60) two ends mouth diameters is less than collision bead (8) diameter, the width of rebate of first ring connected in star (70) is more than or equal to through hole (60) mouth diameters, and described collision bead (8) diameter is greater than the thickness of core bar (6).
8. the reduction of the fracture according to claim 6 lifts pin, it is characterized in that: sleeve pipe (7) inwall of first ring connected in star (70) bottom is provided with the second annular groove (71), in described the second annular groove (71), be provided with Compress Spring (9), described Compress Spring (9) two ends are fixedly connected with sleeve pipe (7) inwall with core bar (6) outer wall respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149784.4A CN103908327A (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410149784.4A CN103908327A (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103908327A true CN103908327A (en) | 2014-07-09 |
Family
ID=51034545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410149784.4A Pending CN103908327A (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103908327A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440772A (en) * | 2017-09-05 | 2017-12-08 | 肖奕增 | A kind of femoral fracture traction closed reduction device and its application method |
| CN110074868A (en) * | 2019-06-26 | 2019-08-02 | 上海龙慧医疗科技有限公司 | Robot for orthopaedic surgery special equipment clamping device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997034539A1 (en) * | 1996-03-19 | 1997-09-25 | Kim Andrew C | Bi-directional universal dynamic compression device |
| WO2001070129A2 (en) * | 2000-03-16 | 2001-09-27 | Slobodan Tepic | Screw anchored joint prosthesis |
| CN2652344Y (en) * | 2003-10-15 | 2004-11-03 | 孙明林 | Pull up screw for vertebral body olisthy reposition |
| CN2875348Y (en) * | 2006-03-22 | 2007-03-07 | 南方医科大学 | Improved elastic pressing type inter-locking internal marrow pin |
| CN201019828Y (en) * | 2007-03-28 | 2008-02-13 | 山东威高骨科材料有限公司 | Pedicle nail of vertebral arch |
| CN201147359Y (en) * | 2008-02-01 | 2008-11-12 | 刘兰泽 | Anterior cervical positor |
| CN201949117U (en) * | 2011-01-17 | 2011-08-31 | 童松林 | Quick-change handle |
| CN203122576U (en) * | 2013-02-05 | 2013-08-14 | 中国人民解放军第三军医大学第一附属医院 | Pressurization injection single-shaft pedicle screw |
| CN203138671U (en) * | 2013-02-26 | 2013-08-21 | 常州健力邦德医疗器械有限公司 | Bone screw tightening device |
| CN103429180A (en) * | 2010-12-09 | 2013-12-04 | 史赛克创伤公司 | Adjustment tool for external fixator |
| CN203802552U (en) * | 2014-04-15 | 2014-09-03 | 闫军 | Fracture reduction lifting needle |
-
2014
- 2014-04-15 CN CN201410149784.4A patent/CN103908327A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997034539A1 (en) * | 1996-03-19 | 1997-09-25 | Kim Andrew C | Bi-directional universal dynamic compression device |
| WO2001070129A2 (en) * | 2000-03-16 | 2001-09-27 | Slobodan Tepic | Screw anchored joint prosthesis |
| CN2652344Y (en) * | 2003-10-15 | 2004-11-03 | 孙明林 | Pull up screw for vertebral body olisthy reposition |
| CN2875348Y (en) * | 2006-03-22 | 2007-03-07 | 南方医科大学 | Improved elastic pressing type inter-locking internal marrow pin |
| CN201019828Y (en) * | 2007-03-28 | 2008-02-13 | 山东威高骨科材料有限公司 | Pedicle nail of vertebral arch |
| CN201147359Y (en) * | 2008-02-01 | 2008-11-12 | 刘兰泽 | Anterior cervical positor |
| CN103429180A (en) * | 2010-12-09 | 2013-12-04 | 史赛克创伤公司 | Adjustment tool for external fixator |
| CN201949117U (en) * | 2011-01-17 | 2011-08-31 | 童松林 | Quick-change handle |
| CN203122576U (en) * | 2013-02-05 | 2013-08-14 | 中国人民解放军第三军医大学第一附属医院 | Pressurization injection single-shaft pedicle screw |
| CN203138671U (en) * | 2013-02-26 | 2013-08-21 | 常州健力邦德医疗器械有限公司 | Bone screw tightening device |
| CN203802552U (en) * | 2014-04-15 | 2014-09-03 | 闫军 | Fracture reduction lifting needle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107440772A (en) * | 2017-09-05 | 2017-12-08 | 肖奕增 | A kind of femoral fracture traction closed reduction device and its application method |
| CN110074868A (en) * | 2019-06-26 | 2019-08-02 | 上海龙慧医疗科技有限公司 | Robot for orthopaedic surgery special equipment clamping device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140709 |