CN203802552U - Fracture reduction lifting needle - Google Patents
Fracture reduction lifting needle Download PDFInfo
- Publication number
- CN203802552U CN203802552U CN201420180856.7U CN201420180856U CN203802552U CN 203802552 U CN203802552 U CN 203802552U CN 201420180856 U CN201420180856 U CN 201420180856U CN 203802552 U CN203802552 U CN 203802552U
- Authority
- CN
- China
- Prior art keywords
- shank
- reduction
- clamping part
- needle
- jack
- 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.)
- Expired - Lifetime
Links
- 239000011324 bead Substances 0.000 claims abstract description 19
- 230000013011 mating Effects 0.000 claims description 3
- 210000000689 upper leg Anatomy 0.000 abstract description 5
- 210000000988 bone and bone Anatomy 0.000 abstract description 2
- 230000001054 cortical effect Effects 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 4
- 238000003780 insertion Methods 0.000 abstract 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- AFJYYKSVHJGXSN-KAJWKRCWSA-N selamectin Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1C(/C)=C/C[C@@H](O[C@]2(O[C@@H]([C@@H](C)CC2)C2CCCCC2)C2)C[C@@H]2OC(=O)[C@@H]([C@]23O)C=C(C)C(=N\O)/[C@H]3OC\C2=C/C=C/[C@@H]1C AFJYYKSVHJGXSN-KAJWKRCWSA-N 0.000 description 2
- 208000006735 Periostitis Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 210000002414 leg Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001694 thigh bone Anatomy 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a fracture reduction lifting needle which comprises a needle rod with a tip end. The needle rod is provided with a clamping portion, one end of the clamping portion is provided with an insertion hole matched with the tail portion of the needle rod, the other end of the clamping portion is provided with a handle, threads are arranged at the end, provided with the tip end, of the needle rod, buckles are arranged in the insertion hole, and the tail end of the needle rod is provided with clamping grooves matched with the buckles. The cross section of the tip end is triangular. The clamping portion comprises a core rod and a sleeve, the core rod is provided with the insertion hole, the sleeve is arranged on the core rod in a sleeved mode, the middle portion of the core rod is at least provided with two through holes perpendicular to the insertion hole, and the buckles are collision beads embedded into the through holes. The tip end is of a triangular prism shape, sharpness is large, the tip end can be easily hit into a cortical bone of a femur, and operation time is saved. The needle head is provided with threads, so that holding force is large, and the needle is not prone to loosening or disengaging during reduction operation.
Description
Technical field
This utility model relates to medical apparatus and instruments, and 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.Yet 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.To closed reduction, bring difficulty, 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 with electric drill, to hole, 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.
Utility model content
In order to overcome above-mentioned defect, this utility model provides a kind of reduction of the fracture to 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.
This utility model 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 core bar medium position, be at least provided with two perpendicular to the through hole of jack, described buckle is for embedding the collision bead in through hole, and the internal surface of sleeve pipe in through hole bottom is provided with the first ring connected in star that holds collision bead.
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.
The beneficial effects of the utility model:
One, this utility model tip is Rhizoma Sparganii type, and sharp property increases, and is easy to squeeze in the cortical bone of femur, does not need first with electric drill, to hole, then is screwed into nail, saves operating time.
Two, syringe needle of the present utility model is provided with screw thread, therefore has very strong hold, is difficult for relaxing, coming off in reset operation.
Three, the thick bar of this utility model afterbody overstriking part is not yielding in reset operation, can Reusability.
Four, the design of this utility model clamping part can be so that shank loads and unloads fast, first lifting pin, is arranged in electric drill and squeezes in backbone, 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 utility model is beneficial to patient's gripping, conveniently to all directions, lifts, pushes, draws, rotates, and operation is more comfortable simultaneously.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model shank structural representation.
Fig. 3 is A direction view in Fig. 2.
Fig. 4 is this utility model grip structure schematic diagram.
Fig. 5 is this utility model clamping part cross-sectional schematic.
The specific embodiment
As shown in Figure 1, this utility model comprises 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, the other end is provided with handle 3, controls, in the present embodiment during for the ease of operation, handle 3 is vertically connected at clamping part 4, and projection is in T shape.
Be provided with screw thread 20 being provided with on this one end shank 1 of most advanced and sophisticated 2, using of the present utility modelly 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, in the central authorities of clamping part 4, be provided with the jack 5 matching with shank 1 afterbody size shape, 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, at core bar 6 medium positions, is at least provided with two perpendicular to the through hole 60 of jack 5.
For limiting the buckle of shank 1, be the collision bead 8 embedding in through hole 60, 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, so the squeezed side toward jack 5 of collision bead 8 meeting, form the restriction to shank 1.And in order to take out or put into shank 1, all need to remove buckle restriction temporarily, and therefore sleeve pipe 7 inwalls in through hole 60 bottoms are provided with the first ring connected in star 70 that holds collision bead 8, and 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, sleeve pipe 7 inwalls in first ring connected in star 70 bottoms are provided with in the second annular groove 71, the second annular grooves 71 and are provided with Compress Spring 9, and 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, in the time of can preventing from operating, 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 with the form fit of shank 1 various shapes.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 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 this utility model, 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 core bar (6) medium position, be at least provided with two through holes perpendicular to jack (5) (60), described buckle is for embedding the collision bead (8) in through hole (60), and sleeve pipe (7) inwall in through hole (60) bottom is provided with 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 |
|---|---|---|---|
| CN201420180856.7U CN203802552U (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420180856.7U CN203802552U (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203802552U true CN203802552U (en) | 2014-09-03 |
Family
ID=51441369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420180856.7U Expired - Lifetime CN203802552U (en) | 2014-04-15 | 2014-04-15 | Fracture reduction lifting needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203802552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908327A (en) * | 2014-04-15 | 2014-07-09 | 闫军 | Fracture reduction lifting needle |
| CN104771215A (en) * | 2015-04-15 | 2015-07-15 | 复旦大学附属金山医院 | Tractor for greater trochanter of femur |
| CN109692055A (en) * | 2017-10-23 | 2019-04-30 | 王力平 | The ultra-fine diameter bone fixation needle of bushing type |
-
2014
- 2014-04-15 CN CN201420180856.7U patent/CN203802552U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103908327A (en) * | 2014-04-15 | 2014-07-09 | 闫军 | Fracture reduction lifting needle |
| CN104771215A (en) * | 2015-04-15 | 2015-07-15 | 复旦大学附属金山医院 | Tractor for greater trochanter of femur |
| CN109692055A (en) * | 2017-10-23 | 2019-04-30 | 王力平 | The ultra-fine diameter bone fixation needle of bushing type |
| WO2019080769A1 (en) * | 2017-10-23 | 2019-05-02 | 王力平 | Sleeve-type superfine diameter osteofixation needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |