CN202154737U - Combined-type three-dimensional traction fixation rack for wrist joints - Google Patents
Combined-type three-dimensional traction fixation rack for wrist joints Download PDFInfo
- Publication number
- CN202154737U CN202154737U CN2011202237812U CN201120223781U CN202154737U CN 202154737 U CN202154737 U CN 202154737U CN 2011202237812 U CN2011202237812 U CN 2011202237812U CN 201120223781 U CN201120223781 U CN 201120223781U CN 202154737 U CN202154737 U CN 202154737U
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- camber
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Abstract
The utility model relates to a combined-type three-dimensional traction fixation rack for wrist joints. The fixation rack mainly comprises two connecting bars and two arc-shaped rings; a plurality of through-holes are formed on the two arc-shaped rings along the end surfaces in the arc direction; two ends of each connecting bar are locked in and connected to corresponding through-holes of the two arc-shaped rings; two lock pin screws are arranged on each arc-shaped ring; a pin penetrating slot is formed on each lock pin screw on the end surface near to the bolt of the lock pin screw; the bolts of the lock pin screws are locked on the arc-shaped rings through nuts; two Kirschner wires are adopted and locked by the lock pin screws to fix pins penetrating metacarpal cervix and radius; and steel needles are locked by the lock pin screws to fix wrist joint fracture fragments. The fixation rack has the advantages of compact and stable integral structure, convenience in use and disassembly, low use cost, capability of fixing wrist joints and fracture fragments, and adjustable rigidity, has no need for periosteum stripping in an operation, and is good for the recovery of wrist joint injury.
Description
Technical field
This utility model relates to a kind of carpal joint traction fixation frame, is a kind of three-dimensional fixed combination formula carpal joint traction fixation frame of threading a needle specifically.
Background technology
The radius far-end fracture sickness rate is very high, and human beings'health and living standard in serious threat.The external fixer that is fit to be applied in wrist fixation application treatment radius far-end fracture both at home and abroad is the single armed frame.The single armed frame all is that screw is fixed with half aciculiform formula, to be fixed as major function.Though the single armed external fixer is more convenient, because be that arm of force formula is fixed, stability in the large and performance-adjustable are poor.Do not have yet and to draw and the fixed function that resets sclerite, limited the application of external fixer in the wrist fracture.
The utility model content
In order to solve carpal joint external fixer structure coarse-pitch thread nail fixation problem in the prior art.The purpose of this utility model provides a kind of compact conformation, stable, and is fixed with patient's carpal joint three dimensions, uses, dismounting is convenient, and effectively fixing carpal fracture draws, the effective combination type carpal joint 3 d traction fixed mount of fixation for treatment
The technical scheme that this utility model adopts is: a kind of carpal joint 3 d traction fixed mount; Mainly comprise two connecting rods each one and two camber rings; Two camber rings are along being equipped with a plurality of through holes on the end face of arc direction; The two ends of every connecting rod are locked respectively and are connected on two corresponding through holes of camber ring; Be equipped with two purl screws on each camber ring; Be equipped with the groove of threading a needle on the end face of purl screw near its bolt part; On the camber ring, first Kirschner wire passes the first purl screw on the first camber ring the thread a needle groove and first Kirschner wire is pressed on the first camber ring by the bolt of first and second purl screw of nut check of groove, metacarpal bone neck, the second purl screw of threading a needle to the bolt of purl screw successively through nut check, and second Kirschner wire passes the 3rd purl screw on the second camber ring the thread a needle groove and second Kirschner wire is pressed on the second camber ring by the bolt of third and fourth purl screw of nut check of groove, radius, the 4th purl screw of threading a needle successively.Two camber rings connect into fixed mount through two connecting rods; First and second purl screw on the two camber ring end faces is locked first and second Kirschner wire that passes metacarpal bone neck and radius respectively, and fixed mount is fixed carpal joint in three dimensions through Di Yi、Er Shi pin, carbon fiber connecting rod.
Said two connecting rod two ends are connected on the two arc rings through L type connecting rod respectively, and on the arc ring, the other end of L type connecting rod passes upper and lower connecting rod folder through nut check to an end of L type connecting rod through nut check, and its upper and lower connecting rod folder clamps connecting rod.
Held upper and lower connecting rod folder on said arbitrary connecting rod tightly, the 5th purl screw passes upper and lower connecting rod folder through nut check, and cross-under has the thimble of bone fixation folded block in the groove of threading a needle of the 5th purl screw.The 5th purl screw lock thimble penetrates the wrist fracture piece of damage on the connecting rod, according to the different degree of impairments of carpal joint, adopts 1-2 root thimble that the wrist fracture piece is fixed respectively; Upper and lower connecting rod folder can be different angles and clamp L type Connection Block connecting rod or connecting rod, cooperates the 5th purl screw lock fixing towards the wrist fracture piece that changes the various orientation of adaptation, angle.
Said arbitrary connecting rod is provided with thread segment; The thread segment diameter is less than the diameter of connecting rod straight bar part; Be connected with the circular adjusting nut and the adjusting lock nut of the upper and lower connecting rod folder two sides that push against duralumin connecting rod thread segment respectively on the thread segment, the periphery of circular adjusting nut is provided with lock-screw.Drip at the circular adjusting nut of thread segment adjusted and to push against the side that upper and lower connecting rod folder is held duralumin connecting rod thread segment tightly, regulate upper and lower connecting rod folder and hold the position tightly, make the distance between the two arc rings adjustable, realize reduction by traction.
Through hole is any one or boths' in circular apertures, the waist-shaped hole a combination in any on the said camber ring.During use, according to the different situations of patient's ankle joint, L type connecting rod or L type Connection Block fixed position activity change on the arc ring, applied widely.
Said connecting rod is carbon fiber connecting rod or duralumin connecting rod.
After adopting above technical scheme, the beneficial effect of this utility model is:
1, fixed mount adopts each one on carbon fiber and duralumin connecting rod to be connected two arc rings; Under the prerequisite that fully satisfies strength of materials requirement, can avoid the photograph occlusion issue of fracture site greatly; Improve the diagnosis of postoperative iconography; And the steel connecting rod was light more in the past, and the patient burden is light, for early functional exercise reaches early stage examination heavy burden advantage was provided;
2, fixed mount arc ring is provided with the purl screw; Kirschner wire is threaded a needle fixing through the purl screw lock to metacarpal bone, radius three-dimensional before and after the carpal joint; Fixed mount arc ring adopts L type connecting rod to connect carbon fiber connecting rod simultaneously; The installation site of scalable L type connecting rod a plurality of through holes on the arc ring and the fixed angle of L type connecting rod can be from many planes, multi-faceted for the part of fracturing provides favourable and lasting bed knife, and fixed mount three dimensions stability is strong; Can patient's carpal joint is fixed, avoided the fixing and uncontrollable deficiency of rigidity of traditional monolateral thick nail;
3, fixed mount is to penetrate first and second Kirschner wire away from the partial metacarpal bone of wrist fracture, radius successively; The destruction to the wrist fracture local soft tissue can be reduced away from carpal joint in the position of threading a needle; Help local blood fortune of protection fracture and the protection of self soft tissue; Accelerate the wrist fracture healing, and can produce adaptability to changes to fracture end, stimulate osseous tissue growth accelerating union of bone fracture through stable fixing;
4, the fixed mount carbon fiber connecting rod is provided with one or more purl screws, and the purl screw is through movable being fixed on the carbon fiber connecting rod of upper and lower connecting rod folder, according to wrist fracture situation and fracture; Match that one or more draw point is diverse location on carbon fiber connecting rod after the purl screw lock, different angles are fixed the wrist fracture piece; The local sclerite realization of carpal joint acupuncture needle is dialled bone, and it is fixing to thread a needle, and need not extensively to peel off periosteum; Flexible operation; The operating time section goes out insufficiency of blood, helps growth of spur, union of fracture and has reduced infection rate simultaneously;
This utility model fixed mount adopt two Kirschner wires through the purl screw lock to metacarpal bone neck, the radius matching and fixing of threading a needle, cooperate draw point the wrist fracture piece to be fixed, compact overall structure, stable through the purl screw lock; Use, convenient disassembly; Use cost is low, and to carpal joint and sclerite auxiliary fixing, rigidity is adjustable; Need not the peeling operation periosteum, help the recovery from illness of carpal joint damage.
Description of drawings
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model user mode structural representation;
Fig. 3 is this utility model lock-screw structural representation.
Among the figure: the first arc ring 1, the second arc ring 2, carbon fiber connecting rod 3, duralumin connecting rod 4, thread segment 41, straight bar section 42; L type connecting rod 5,51,52,53, the first through holes 6, the second through holes 7, third through-hole 8, fourth hole 9; The first purl screw, 10, the second purl screws, 11, the three purl screws, 12, the four purl screws, 13, the five purl screws 14; The groove 15 of threading a needle, last connecting rod folder 16, lower link folder 17, the first Kirschner wires 18, the second Kirschner wires 19; Thimble 20, circular adjusting nut 21, lock-screw 22, the adjusting lock nut 23.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment this utility model is described further.
Fig. 1, shown in 2, combination type carpal joint 3 d traction fixed mount mainly comprises first and second arc ring 1,2, carbon fiber connecting rod 3, duralumin connecting rod 4 and five purl screws 10,11,12,13,14.First and second arc ring 1,2 is along being equipped with a plurality of through holes on the end face of arc direction; Through hole is any one or boths' in circular apertures, the waist-shaped hole a combination in any; Carbon fiber connecting rod 3 two ends are connected on the two arc rings 1,2 through L type connecting rod 5,51 respectively; L type connecting rod 5 one ends are on first through hole 6 of nut check at the first arc ring 1, and the other end of L type connecting rod 5 passes upper and lower connecting rod folder 16,17 through nut check, and its upper and lower connecting rod folder clamps carbon fiber connecting rod 3 one ends; L type connecting rod 51 1 ends are on second through hole 7 of nut check at the second arc ring 2; The other end of L type connecting rod 51 passes upper and lower connecting rod folder through nut check, and its upper and lower connecting rod folder clamps carbon fiber connecting rod 3 other ends, connects the 5th purl screw 14 by upper and lower connecting rod folder by nut check on the carbon fiber connecting rod 3; Cross-under has thimble 20 in the groove 15 of threading a needle of the 5th purl screw 14, and thimble is fixed the wrist fracture piece; One end of duralumin connecting rod 4 is a thread segment 41; The other end is a straight bar section 42; Thread segment 41 diameters are less than straight bar section 42; Thread segment 41 is connected on the two arc rings 1,2 through L type connecting rod 52,53 respectively with straight bar section 42, and L type connecting rod 52 1 ends are on the third through-hole 8 of nut check at the first arc ring 1, and the other end of L type connecting rod 52 passes upper and lower connecting rod folder 16,17 through nut check; Its upper and lower connecting rod folder clamps thread segment 41; L type connecting rod 53 1 ends are on second through hole 9 of nut check at the second arc ring 2, and the other end of L type connecting rod 53 passes upper and lower connecting rod folder through nut check, and its upper and lower connecting rod folder clamps straight bar section 42; Be connected with the circular adjusting nut 21 and adjusting lock nut 23 of the upper and lower connecting rod folder two sides that push against thread segment respectively on the thread segment 41, the periphery of circular adjusting nut 21 is provided with lock-screw 22; Lock first and second purl screw 10,11 respectively on first and third through hole at the first arc ring, 1 opening two ends; The second arc ring, 2 opening two ends second, lock third and fourth purl screw 12,13 respectively on the four-way hole; Be equipped with the groove 15 of threading a needle on the end face of every purl screw near its bolt part; The bolt of purl screw through nut check on camber ring separately; First Kirschner wire 18 passes the first purl screw on the first camber ring 1 the thread a needle groove and first Kirschner wire is pressed on the first camber ring by the bolt of first and second purl screw of nut check of groove, human body carpal joint metacarpal bone neck, the second purl screw of threading a needle successively, and second Kirschner wire 19 passes the 3rd purl screw on the second camber ring 2 the thread a needle groove and second Kirschner wire is pressed on the second camber ring by the bolt of third and fourth purl screw of nut check of groove, human body carpal joint radius, the 4th purl screw of threading a needle successively.
Lock-screw structure shown in Figure 3; The nut portion of lock-screw is provided with the groove 15 of threading a needle towards the plane of bolt part; The groove direction of threading a needle is vertical with the bolt section axial, when lock-screw is locked, when being convenient to nut portion pressing locking face Kirschner wire or thimble is compressed.
The method for using of this fixed mount is:
1. thread a needle in human body carpal joint metacarpal bone neck routine and a little run through first Kirschner wire of squeezing into 2-3mm from inside to outside, the groove of threading a needle of first and second purl screw is run through at the two ends of first Kirschner wire respectively, and by first and second purl screw lock on the first arc ring;
2. the 8cm place squeezes into second Kirschner wire of 2-3mm from the chi dorsal part to the oar palmar in human body carpal joint radius upper end, and the groove of threading a needle of third and fourth purl screw is run through at the two ends of second Kirschner wire respectively, and by third and fourth purl screw lock on the second arc ring;
3. according to wrist fracture degree of impairment and direction of displacement; Select for use 1 the 5th purl screw to be installed on the diverse location of carbon fiber connecting rod; Squeeze into the draw point of 1 3mm from the rightabout of displacement fracture; Draw point one end is squeezed in the sclerite of damage and is corrected displacement fracture, and the other end runs through the groove locking of threading a needle through the 5th purl screw;
4. screw circular adjusting nut and push against upper and lower connecting rod folder, the clamping position of the control thread segment and the first arc ring, thus realize that the distance between the two arc rings is adjustable, be convenient to reduction by traction;
5. after carpal joint was fixed, 5-6 removed after week.
Claims (6)
1. combination type carpal joint 3 d traction fixed mount; It is characterized in that: mainly comprise two connecting rods and two camber rings; Two camber rings are along being equipped with a plurality of through holes on the end face of arc direction; The two ends of every connecting rod are locked respectively and are connected on two corresponding through holes of camber ring; Be equipped with two purl screws on each camber ring; Be equipped with the groove of threading a needle on the end face of purl screw near its bolt part; On the camber ring, first Kirschner wire passes the first purl screw on the first camber ring the thread a needle groove and first Kirschner wire is pressed on the first camber ring by the bolt of first and second purl screw of nut check of groove, metacarpal bone neck, the second purl screw of threading a needle to the bolt of purl screw successively through nut check, and second Kirschner wire passes the 3rd purl screw on the second camber ring the thread a needle groove and second Kirschner wire is pressed on the second camber ring by the bolt of third and fourth purl screw of nut check of groove, radius, the 4th purl screw of threading a needle successively.
2. combination type carpal joint 3 d traction fixed mount according to claim 1; It is characterized in that: said two connecting rod two ends are connected on the two arc rings through L type connecting rod respectively; One end of L type connecting rod through nut check on the arc ring; The other end of L type connecting rod passes upper and lower connecting rod folder through nut check, and its upper and lower connecting rod folder clamps connecting rod.
3. combination type carpal joint 3 d traction fixed mount according to claim 1; It is characterized in that: held upper and lower connecting rod folder on said arbitrary connecting rod tightly; The 5th purl screw passes upper and lower connecting rod folder through nut check, and cross-under has the draw point of bone fixation folded block in the groove of threading a needle of the 5th purl screw.
4. combination type carpal joint 3 d traction fixed mount according to claim 1; It is characterized in that: said arbitrary connecting rod is provided with thread segment; The thread segment diameter is less than the diameter of another carbon fiber connecting rod straight bar part; Be connected with the circular adjusting nut and the adjusting lock nut of the upper and lower connecting rod folder two sides that push against another carbon fiber connecting rod thread segment respectively on the thread segment, the periphery of circular adjusting nut is provided with lock-screw.
5. combination type carpal joint 3 d traction fixed mount according to claim 1 is characterized in that: through hole is any one or boths' in circular apertures, the waist-shaped hole a combination in any on the said camber ring.
6. combination type carpal joint 3 d traction fixed mount according to claim 1 is characterized in that: said connecting rod is carbon fiber connecting rod or duralumin connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202237812U CN202154737U (en) | 2011-06-29 | 2011-06-29 | Combined-type three-dimensional traction fixation rack for wrist joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202237812U CN202154737U (en) | 2011-06-29 | 2011-06-29 | Combined-type three-dimensional traction fixation rack for wrist joints |
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| Publication Number | Publication Date |
|---|---|
| CN202154737U true CN202154737U (en) | 2012-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202237812U Expired - Fee Related CN202154737U (en) | 2011-06-29 | 2011-06-29 | Combined-type three-dimensional traction fixation rack for wrist joints |
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| Country | Link |
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| CN (1) | CN202154737U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
| CN103445832A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Activity-inertia combined adjusting control outer fixer for distal radius fracture |
| CN103445835A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Hip joint correction and thighbone extender |
| CN105246421A (en) * | 2014-05-02 | 2016-01-13 | 瑞特医疗技术公司 | Circular fixator system and method |
-
2011
- 2011-06-29 CN CN2011202237812U patent/CN202154737U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247198A (en) * | 2011-06-29 | 2011-11-23 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
| CN102247198B (en) * | 2011-06-29 | 2013-07-17 | 温建民 | Combined three-dimensional traction mounting bracket for wrist joint |
| CN103445832A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Activity-inertia combined adjusting control outer fixer for distal radius fracture |
| CN103445835A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Hip joint correction and thighbone extender |
| CN103445835B (en) * | 2013-09-06 | 2015-05-13 | 江苏广济医疗科技有限公司 | Hip joint correction and thighbone extender |
| CN103445832B (en) * | 2013-09-06 | 2016-02-17 | 江苏广济医疗科技有限公司 | Radius far-end fracture is association of activity and inertia regulation and control external fixator |
| CN105246421A (en) * | 2014-05-02 | 2016-01-13 | 瑞特医疗技术公司 | Circular fixator system and method |
| US9808288B2 (en) | 2014-05-02 | 2017-11-07 | Wright Medical Technology, Inc. | Circular fixator system and method |
| CN105246421B (en) * | 2014-05-02 | 2017-12-12 | 瑞特医疗技术公司 | Loop fasteners System and method for |
| US10660671B2 (en) | 2014-05-02 | 2020-05-26 | Wright Medical Technology, Inc. | Circular fixator system and method |
| US11389199B2 (en) | 2014-05-02 | 2022-07-19 | Wright Medical Technology, Inc. | Circular fixator system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120307 Termination date: 20130629 |