CN1303944C - Resetting and inner fixing device for fracture of neck of femur - Google Patents
Resetting and inner fixing device for fracture of neck of femur Download PDFInfo
- Publication number
- CN1303944C CN1303944C CNB2004100411452A CN200410041145A CN1303944C CN 1303944 C CN1303944 C CN 1303944C CN B2004100411452 A CNB2004100411452 A CN B2004100411452A CN 200410041145 A CN200410041145 A CN 200410041145A CN 1303944 C CN1303944 C CN 1303944C
- Authority
- CN
- China
- Prior art keywords
- fracture
- fixing device
- inner fixing
- increased pressure
- rods
- 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 - Fee Related
Links
Images
Abstract
The present invention relates to a resetting inner fixing device for the femoral neck fracture and a positioning device matched with the femoral neck fracture. The resetting inner fixing device is provided with main rods of which the front segments are provided with telescopic anti-spin locking sheets by a spiral cone head, and the tail part of each main rod is provided with a pressurizing plate. The main rods can be two longitudinal rods capable of moving horizontally in an axial direction, and the anti-spin locking sheets which can be projected towards both sides are hinged on the two longitudinal rods. A hole on at least one side of each anti-spin locking sheet can be a long hole in which a hinging rivet can freely slide, and tail transverse rods of the two longitudinal rods are provided with self-locking screw rods. The spiral cone head is fixedly connected to the front end part of one longitudinal rod; the pressurizing plates are sheathed at the tail parts of the main rods and are fastened on the self-locking screw rods by pressurizing nuts, and the peripheries of the pressurizing plates are provided with fixing screws. The present invention is a reasonable and effective resetting inner fixing device, and with the matching of the positioning device, the resetting inner fixing device has accurate positioning and convenient operation.
Description
Technical field:
The present invention relates to a kind of medical apparatus and instruments, more specifically saying so is used for the inner fixing device that resets of fracture of femoral neck.
Background technology:
In clinical medical orthopaedics field, fracture of femoral neck is that all fracture are the most special a kind of, and complexity on it is dissected and particularity cause the difficulty for the treatment of.Up to the present, the incidence rate of the disunion rate of this fracture and Avascular Necrosis Of Femur Head is all apparently higher than the fracture at other position.
In theory, the internal fixation device of treatment kind of fracture should meet five requirements at least, that is:
1, early stage stable fracture and fracture end pressurizeed, and can in the union of fracture phase, continue to pressurize to fracture.
2, can prevent continuous and effective that femoral head is subjected to displacement in the endogenous cause of ill rotation of union of fracture phase.
3, should to account for the fracture volume little, promptly little for disturbing to femoral head blood for the internal fixation device of treatment fracture of femoral neck.
4, can make patient's early ambulation after the operation, to promote union of fracture and functional rehabilitation.
5, make things convenient for the doctor to operate, avoid in the art repeated multiple times to use X line perspective as far as possible or take the photograph sheet, to prevent the damage of X ray to doctor and patient.
But at present the clinical employed five big classes inner fixer that is used for the treatment of fracture of femoral neck does not all reach this five kinds of requirements, this comprising:
Three wing nail, capital rotation has been controlled in its anti-rotation effect preferably, but does not have the function of early stage pressurization and persistent pressure, and is also very loaded down with trivial details in operation, and clinical practice at present is seldom.
Many Si Shi nails, this apparatus generally uses the 3-4 root when fixed fracture of femoral neck, and the internal fixation operation the most simply is its advantage.Though this method has anti-rotation effect, a little less than the effect.Simultaneously, not have any pressurization be its maximum defective to this apparatus.In addition, this Si Shi nail very easily withdraws from and ineffective in bone in the process of knitting voluntarily, and clinical practice is also less.
Two screw thread forcing screws, this apparatus head and the tail respectively have one section screw thread, the screw thread of its tail end expands, and has pressurization function, but anti-screw on powerless.
Automatically pressurization slip nail-plate has screw thread before this apparatus, and tail is compounded with compression screw, cooperates to be attached at key steel plate again, has very big pressurization.But it is key anti-rotation that the designer only considers that steel plate attaches, and reckon without capital rotation, the therefore grand portion of femur fracture that are used in more, and seldom be used for fracture of femoral neck.
Many hollow forcing screws, clinical practice at present is more, have pressurization at once, persistent pressure and anti-rotation effect, but, apparatus is in operating process, because the arrangement of many nails position, the control etc. of advancing to follow closely angle are higher to the specification requirement of operator, and need perspective repeatedly in operation, patient and doctor all there is to a certain degree damage.In addition, though more above-mentioned four classes of anti-spin amount of this apparatus are superior, because many nails penetrate, do not become whole, anti-spin amount still can not reach requirement, and patient is ambulation in early days.
Summary of the invention:
The present invention is for avoiding above-mentioned existing in prior technology weak point, a kind of inner fixing device that resets of more rational and effective fracture of femoral neck being provided.
The technical scheme that technical solution problem of the present invention is adopted is:
The inner fixing device construction features that resets of fracture of femoral neck is among the present invention: adopt the spiral conehead, leading portion is set has the telescopic anti-mobile jib that revolves locking plate, the afterbody of mobile jib is provided with increased pressure board, described mobile jib be can be vertically two of translation vertical poles in opposite directions, can be hinged on two vertical poles to the anti-locking plate that revolves that stretch out both sides, the described anti-locking plate that revolves has a side hinge hole at least for appointing the horizontal slotted hole of hinged rivet slippage therein, and the self-locking screw mandrel is set on the afterbody cross bar of described two vertical poles; The spiral conehead connects firmly the leading section at a vertical pole, and increased pressure board slides over the afterbody of mobile jib, and is fastened on the self-locking screw mandrel with the pressurization nut, and the periphery of increased pressure board has fixed screw.
Construction features with the matching used localizer of described inner fixing device among the present invention is: have and the consistent base plate of increased pressure board shape, positioning screw hole is arranged on the base plate, abutment sleeve is set on base plate, comprise cover in the big footpath overcoat of coaxial setting and nestable therein the path, described abutment sleeve is coaxial with mobile jib.
Compared with the prior art, the present invention has following advantage:
1, the present invention forms stronger pressurization function under the combined effect of its spiral conehead, afterbody increased pressure board and pressurization nut, can promptly provide compression strength to fracture end at the reduction of the fracture initial stage, its agent structure is shaft-like, can in the nail road, slide, thereby the condition in union of fracture phase persistent pressure is provided, has created good condition to union of fracture thus.
2, the anti-locking plate that revolves among the present invention is set to telescopic structure, finishes into nail with its contraction state, realizes anti-revolving with its deployed condition, and structure is provided with ingenious, cooperates increased pressure board to have and well prevents revolving function, can effectively control capital rotation.
3, the present invention is on its sectional area, and only very nearly the same with many steinman pins, shared bone volume is very little, so little to the knitting interference, more favourable to preventing ischemic necrosis of femoral head in the future.
4, of the present invention anti-revolve to be embodied as with pressurization function fracture end has been played powerful Stabilization, the mechanical strength height makes patient be able to early ambulation.In this case, can not only promote the healing of fracturing to promote the recovery of patients function, meet the developing direction of present fractures.
5, the present invention cooperates the localizer use accurately to locate, and X line electricity can be reduced to 3 times thoroughly in the art, thereby has reduced the RADI to medical personnel and patient.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the anti-locking plate deployed condition sketch map that revolves in the mobile jib of the present invention.
Fig. 3 is the anti-locking plate contraction state sketch map that revolves in the mobile jib of the present invention.
Fig. 4 is the invention process structural representation.
Fig. 5 is a user mode sketch map of the present invention.
Fig. 6 is and the matching used locator structure sketch map of the present invention.
Number in the figure: 1 spiral conehead, 2 anti-locking plate, 3 mobile jibs, 4 increased pressure boards, 5 horizontal slotted holes, 6 self-locking screw mandrels, 7 pressurization nuts, 8 fixed screws, 9 protruding nails, 10 inner hexagonal holes, 11 base plates, 12 big footpath outer sleeves, 13 path inner sleeves, 13,14 positioning screw holes, 15 femoral greater trochanters, 16 femorals head, 17 spring shims of revolving.
Referring to accompanying drawing 1, present embodiment adopts spiral conehead 1, leading portion is set has the telescopic anti-mobile jib 3 that revolves locking plate 2, and at afterbody increased pressure board 4 is set.Wherein, mobile jib 3 be can be vertically two of translation vertical poles in opposite directions, can be hinged on two vertical poles 3 to the anti-locking plate 2 that revolves that stretch out both sides, anti-revolving has a side hinge hole at least for appointing the horizontal slotted hole 5 of hinged rivet slippage therein on the locking plate 2, the anti-both sides relative set cutting edge that revolves locking plate 2, so that the embedding osseous tissue, on the afterbody cross bar of two vertical poles of mobile jib 2, self-locking screw mandrel 6 is set.
Shown in Fig. 1, spiral conehead 1 connects firmly the leading section at a vertical pole, another root vertical pole and the 1 split setting of spiral conehead, and the bottom end face of the front end face of this vertical pole and spiral conehead 1 offsets.Increased pressure board 4 slides over the afterbody of mobile jib 2, and with the pressurization nut 7 be fastened on the self-locking screw mandrel, between pressurization nut 7 and increased pressure board 4 spring shim 17 is set, in the periphery of increased pressure board 4 fixed screw 8 is arranged, the fixed screw 8 that is arranged on periphery has equally prevents the effect of revolving.Spring shim 17 provides the pretightning force to increased pressure board 4, and the increased pressure board 4 by pretension makes fracture obtain persistent pressure in agglutination.In concrete the enforcement, according to patient's concrete condition, increased pressure board 4 can have different shape and size.
Referring to Fig. 4, in concrete the enforcement, the interior plate face of afterbody increased pressure board 4 is the arcwall face that matches with femoral greater trochanter, and protruding nail 9 is arranged on it.The setting of protruding nail 9 makes increased pressure board 4 become some a contact increased pressure board, has avoided steel plate oppress cortical bone in pressure process and produces osteonecrosis under the steel plate, and patient's very fast can heavy burden after removing internal fixation walked.
For the ease of adjusting, inner hexagonal hole 10 is set at the afterbody of self-locking screw mandrel 6.
In concrete the application, anti-deployed condition such as Fig. 2 and shown in Figure 4 that revolves locking plate 2, contraction state is as shown in Figure 3.Owing to adopt quadric chain, make the anti-telescopic process that revolves locking plate 2 simple and reliable anti-revolving between locking plate 2 and the mobile jib 3.
In addition, at concrete use of the present invention, localizer as shown in Figure 6 is set, this localizer has the base plate 11 consistent with increased pressure board 4 shapes, positioning screw hole 14 is arranged, on the base plate 11 on base plate 11, sleeve is set, comprise the big footpath outer sleeve 12 and nestable therein the path inner sleeve 13 of coaxial setting, described sleeve is coaxial with mobile jib 3.
Using method is as follows:
The present invention both can be used for the open reduction internal fixation of fracture of femoral neck, also can be used for the closed reduction internal fixation, and both operational approach are basic identical.Now be described as follows (shown in Figure 5) with closed reduction:
1, reduction by traction on the operation extension table is looked neck of femur anatomical reduction or approximate anatomical reduction under " C " arm electricity is saturating;
2, enter cortical bone with 2 pieces of steinman pins from femoral greater trochanter place percutaneous, reach femoral head through fracture end again, wherein one piece can enter acetabular bone so that fracture reaches preliminary fixing;
3, be center stringer percutaneous incision skin at big leg outer side with the lower edge of femoral greater trochanter 15, through femur, otch is about 6cm;
4, get hold that plate device clamp localizer puts femoral greater trochanter 15 locate the side lower edge, with 2 pieces of screws through the two hole fixed locators up and down of localizer in this;
5, the path inner sleeve 13 of localizer is inserted in the big footpath outer sleeve 12, get a steinman pin and pierce femur, reach 0.5cm place (confirming thoroughly) under the femoral head through electricity through fracture end through path inner sleeve 13;
6, take out path inner sleeve 13, be inserted in steinman pin, withdraw from again after piercing femoral head 16 by the inserting needle direction of this steinman pin and the degree of depth with two step drill bits;
7, loosen two pieces of screws on the localizer take off localizer;
8, get screw tap and enter femur, rotate into the end of former boring again, withdraw from through steinman pin;
9, hold the anti-locking plate that revolves with the hexagonal nail holding device and be in apparatus of the present invention under the contraction state, 0.5cm under the femoral head cortex is gone in outer sleeve 12 dextrorotations through the big footpath of localizer;
10, be inserted in the mobile jib afterbody with box spanner, it is stable, insert in the inner hexagonal hole 10 (shown in Figure 4) with inner hexagon spanner, be rotated counterclockwise, directly cause the anti-open-shaped attitude of locking plate of revolving;
11, increased pressure board 4 is inserted in the afterbody of mobile jib 3, and makes increased pressure board be close to cortical bone, anticreep nut 7 is fastened on the increased pressure board 4; Get two pieces of fixed screws, two screws about increased pressure board respectively and screw in femoral greater trochanter and femoral shaft;
12, electricity saturating see down reset well, internal fixation is firm, flush operation open country, layer-by-layer suture otch.
This apparatus is the inner fixing device that resets of fracture of femoral neck, according to routine, treat union of fracture after, it should be taken out.If with the titanium alloy is material (clinical practice shows that this material and human body have the compatibility),, after union of fracture, can not take out at particular patients ' yet.
Claims (3)
1, the inner fixing device that resets of fracture of femoral neck, it is characterized in that adopting spiral conehead (1), leading portion is set has the telescopic anti-mobile jib (3) of locking plate (2) that revolves, the afterbody of mobile jib (3) is provided with increased pressure board (4), described mobile jib (3) be can be vertically two of translation vertical poles in opposite directions, can be hinged on two vertical poles to the anti-locking plate (2) that revolves that stretch out both sides, the described anti-locking plate (2) that revolves has a side hinge hole at least for appointing the horizontal slotted hole (5) of hinged rivet slippage therein, and self-locking screw mandrel (6) is set on the afterbody cross bar of described two vertical poles; Spiral conehead (1) connects firmly the leading section at a vertical pole, and increased pressure board (4) slides over the afterbody of mobile jib (3), and is fastened on the self-locking screw mandrel (6) with pressurization nut (7), and the periphery of increased pressure board (4) has fixed screw (8).
2, the inner fixing device that resets of fracture of femoral neck according to claim 1 is characterized in that the interior plate face of described increased pressure board (4) is the arcwall face that matches with femoral greater trochanter, and protruding nail (9) is arranged on it.
3, the inner fixing device that resets of fracture of femoral neck according to claim 1 is characterized in that between described pressurization nut (7) and increased pressure board (4) spring shim (17) being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100411452A CN1303944C (en) | 2004-06-28 | 2004-06-28 | Resetting and inner fixing device for fracture of neck of femur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100411452A CN1303944C (en) | 2004-06-28 | 2004-06-28 | Resetting and inner fixing device for fracture of neck of femur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1714764A CN1714764A (en) | 2006-01-04 |
| CN1303944C true CN1303944C (en) | 2007-03-14 |
Family
ID=35821137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100411452A Expired - Fee Related CN1303944C (en) | 2004-06-28 | 2004-06-28 | Resetting and inner fixing device for fracture of neck of femur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1303944C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102499748B (en) * | 2011-11-08 | 2014-02-26 | 刘杰 | Intramedullary compression nail plate for olecroanon |
| CN107440779B (en) * | 2017-07-18 | 2023-06-20 | 陈伟 | Safe angle positioner for setting ischial screws for acetabular fracture reduction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274713A1 (en) * | 1986-12-19 | 1988-07-20 | Huta Baildon Przedsiebiorstwo Panstwowe | A stabilizer for the treatment of fractures of the neck and upper metaphysis of the femur |
| US5871485A (en) * | 1998-03-18 | 1999-02-16 | Rao; G.V. Subba | Device for internal fixation of femoral neck fractures |
| CN2347550Y (en) * | 1998-12-08 | 1999-11-10 | 温巨平 | Holder for fracture of femoral neck and intertrochanter fracture of femur |
| CN2433943Y (en) * | 2000-08-15 | 2001-06-13 | 张明胜 | Internally locking rotation-proof inner broach |
| CN2460060Y (en) * | 2001-01-09 | 2001-11-21 | 陈扬 | Traction pressure screw fixator for fracture of neck of femur |
| CN2498998Y (en) * | 2001-09-03 | 2002-07-10 | 鲁绍蕊 | Pressure anti-rotary nail for orthopedics |
| CN2724649Y (en) * | 2004-06-28 | 2005-09-14 | 朱敏 | Reduction internal fixation device for fracture of femur neck, and positioning device therefor |
-
2004
- 2004-06-28 CN CNB2004100411452A patent/CN1303944C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0274713A1 (en) * | 1986-12-19 | 1988-07-20 | Huta Baildon Przedsiebiorstwo Panstwowe | A stabilizer for the treatment of fractures of the neck and upper metaphysis of the femur |
| US5871485A (en) * | 1998-03-18 | 1999-02-16 | Rao; G.V. Subba | Device for internal fixation of femoral neck fractures |
| CN2347550Y (en) * | 1998-12-08 | 1999-11-10 | 温巨平 | Holder for fracture of femoral neck and intertrochanter fracture of femur |
| CN2433943Y (en) * | 2000-08-15 | 2001-06-13 | 张明胜 | Internally locking rotation-proof inner broach |
| CN2460060Y (en) * | 2001-01-09 | 2001-11-21 | 陈扬 | Traction pressure screw fixator for fracture of neck of femur |
| CN2498998Y (en) * | 2001-09-03 | 2002-07-10 | 鲁绍蕊 | Pressure anti-rotary nail for orthopedics |
| CN2724649Y (en) * | 2004-06-28 | 2005-09-14 | 朱敏 | Reduction internal fixation device for fracture of femur neck, and positioning device therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1714764A (en) | 2006-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7722611B2 (en) | Method of treating a clavicle fracture | |
| JP4913067B2 (en) | Intraosseous nail | |
| US7780710B2 (en) | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure | |
| US7744638B2 (en) | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure | |
| US7001388B2 (en) | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure | |
| AU2004277946A1 (en) | Bone plates with hole for interchangeably receiving locking and compression screws | |
| JP2002528217A (en) | How to treat a fracture | |
| WO2010096298A2 (en) | Intramedullary compression rod | |
| AU2016204539B2 (en) | Method of securing a plate to a bone at a fracture site utilizing a detachable inserter | |
| CN101695455A (en) | Triangle support bone fracture plate for treating fracture between femoral neck and tuberosity | |
| CN1303944C (en) | Resetting and inner fixing device for fracture of neck of femur | |
| EP3170465B1 (en) | Device for fixing proximal humerus | |
| CN2724649Y (en) | Reduction internal fixation device for fracture of femur neck, and positioning device therefor | |
| CN106388923A (en) | Controllable and slidable locking compression plate for femoral neck | |
| US10039570B2 (en) | Orthopedic device for closed fracture reduction | |
| CN201524134U (en) | Triangularly supported bone plate for treating fracture between femur neck and tuberosity | |
| CN214342544U (en) | Lower limb traction device | |
| AU2011202774B2 (en) | System for stabilization of fractures of convex articular bone surfaces including subchondral support structure | |
| CN211409315U (en) | Fracture reduction fixing and clamping device | |
| CN202342167U (en) | Rotary-clamp femoral condyle upper traction bow | |
| CN106344141A (en) | Two-way fixing steel plate and diaphysis fixing system | |
| RU155647U1 (en) | DEVICE FOR COMBINED OSTEOSYNTHESIS OF FRACTURES OF THE PROXIMAL DEPARTMENT OF THE ELECTRAL BONE | |
| RU2286109C1 (en) | Device for performing osteosynthesis of proximal department of hip bone | |
| KR20070022042A (en) | Screw assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070314 Termination date: 20100628 |