CN201119904Y - Bone external fixer of permeable X-ray - Google Patents
Bone external fixer of permeable X-ray Download PDFInfo
- Publication number
- CN201119904Y CN201119904Y CNU200720198888XU CN200720198888U CN201119904Y CN 201119904 Y CN201119904 Y CN 201119904Y CN U200720198888X U CNU200720198888X U CN U200720198888XU CN 200720198888 U CN200720198888 U CN 200720198888U CN 201119904 Y CN201119904 Y CN 201119904Y
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- fixed part
- connecting rod
- universal
- head
- bone
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Abstract
The utility model relates to a permeable X ray external skeletal fixer, which comprises a fixed part, a connecting bar, a universal head, a connecting bar locking screw cap, a bone fracture stationary needle and a stationary needle locking screw cap, wherein the fixed part is divided into an upper fixed part and a lower fixed part, wherein the upper fixed part is connected with the upper portion of the connecting bar, the lower portion of the connecting bar is provided with a depression, a top ball body of the universal head is arranged in the depression, and the other end of the universal head is connected with lower fixed part, connecting bar locking screw caps are respectively arranged between the upper fixed part and the connecting bar, between the connecting bar and the universal head and between the universal head and the lower fixed part, the upper fixed part and the lower fixed part are respectively provided with round holes, and the bone fracture stationary needle passes through the round holes and is locked and fixed through the stationary needle locking screw cap. The main material of the utility model is polymethyl methacryate, bone fracture line can be omnidirectionally watched through an X-ray plate, and an external fixer can be more accurately adjusted to lead fracture contraposition para-position and alignment to be satisfied.
Description
Technical field
This utility model relates to a kind of holder of technical field of medical instruments, specifically is a kind of bone of X line thoroughly external fixator.
Background technology
Serious limbs of comminuted, complicated difficult and complicated fracture, the damaged property of soft tissue major injury fracture, nearly joint comminuted fracture and osteomyelitis and bone does not connect etc., the traditional method treatment is difficult, and effect is not good enough.Most of at present use metal external fixed support for bone, but serious the obstruction by X-ray film of various metal external fixed support for bone observed the fracture para-position to the line situation, and the orthopedist is difficult to accurately judge and correctly execute and control.
Find by prior art documents, China's utility model patent: 02290306.2, publication number: CN2600067, the utility model name is called: wear radiotransparent multi-functional external fixator, this patent readme is: " a kind ofly wear radiotransparent multi-functional external fixator; it comprises the holder connecting rod; magnetic shelf base; embrace ring; flexible screw rod; adjusting nut, the purl screw, little purl device, limit screw, spring, needle-locking silk pole, nut, embrace and encircle in the middle of magnetic shelf base, and the flexible screw rod of connection, the outer silk of flexible screw rod matches with the endoporus silk of adjusting nut, adjusting nut is connected in an end of holder connecting rod, the other end of holder connecting rod connects needle-locking silk pole, the inner chamber of holder connecting rod has a spring, withstands needle-locking silk pole, connects several little purl devices on the outer wall of holder connecting rod.The main part material is the PP material, X ray thoroughly, but nontoxic, not electrolysis, high temperature resistant, the light model of quality, easily processing, and easy to use, operation is dexterous, easily grasps, and does not influence wearing, is convenient to take exercise, and helps union of fracture." but this patented technology main part material is the PP material, damaged easily, fracture, physical life is short, is difficult to reuse, and is not suitable for using below 0 ℃.
The utility model content
This utility model is at the deficiencies in the prior art and defective, a kind of bone of X line thoroughly external fixator is provided, make this utility model can observe fracture line in all directions, can adjust external fixator simultaneously in the therapeutic process more exactly and make the fracture para-position satisfied line by X-ray film.This utility model main part material is lucite (polymethyl methacrylate), can overcome the problem that background technology exists.
This utility model is achieved through the following technical solutions, and this utility model comprises: fixed part, connecting rod, Universal-head, connecting rod lock nut, fracture fixation pin, locking pin lock nut.Annexation is: fixed part is divided into upper fixed parts and below fixed part, the upper fixed parts are connected with the connecting rod top, the connecting rod below is provided with depression, the top spheroid of Universal-head is located in this depression, the Universal-head other end is connected with the below fixed part, between upper fixed parts and the connecting rod, between connecting rod and the Universal-head, one connecting rod lock nut is respectively arranged between Universal-head and the below fixed part, upper fixed parts and below fixed part respectively are provided with circular hole, the fracture fixation pin passes this circular hole, and by locking pin lock nut locking and fixing.
Described upper fixed parts constitute an integral body by oval cylinder and threaded rod, and the outer silk of threaded rod matches with the interior fluted column female thread in connecting rod cylinder top.
Described connecting rod cylinder below indent column top is hemispherical depression, and its internal diameter is slightly larger than Universal-head top spheroid.
Described Universal-head top spheroid and its below threaded rod constitute an integral body, and the fluted column female thread matches in the outer silk of threaded rod and the below fixed part cylinder top.
Equidistant circular hole is walked crosswise at described fixed part cylinder middle part, and its internal diameter is consistent with fracture fixation pin external diameter.
Described fracture fixation pin is threaded, and after the fracture fixation pin passes circular hole on the fixed part cylinder, in fixed part cylinder both sides, one piece of locking pin lock nut locking and fixing is arranged respectively.
Described fixed part, connecting rod, Universal-head, connecting rod lock nut, its material is polymethyl methacrylate.
Described fracture fixation pin, locking pin lock nut, its material are titanium alloy.
This utility model advantage is: 1, material X line thoroughly, avoid the influence of the postoperative fracture healing state being observed because of the conventional metals exterior fixation bracket.2, reasonable in design, can carry out universal adjustment and the flexible press fit that adds, can in the knitting process, adjust fracture fixation pin angle and spacing at any time, each threaded rod external diameter is all consistent, can exchange application between each parts by the threaded rod connection, more traditional metal exterior fixation bracket obviously reduces the incidence rate of postoperative fracture displacement.3, handle open injury, severe infections and soft tissue major injury fracture, avoid wound surface, fixing safe and reliable.4, for serious crowd internal disease, that operation risk is high is arranged, adopt Wicresoft's bone external fixation, effect is obvious, can reduce operating time, reduces operation risk.5, fixing not over-articular, postoperative is feasible early stage exercise of joint function, avoids ankylosis, improves curative effect.6, can be made into the war preparedness box, method is easy, easy operating, and light weight, easy to carry, war conditions can satisfy the needs of trauma fracture first aid down.7, solve at ordinary times, the difficult problem of clinical extremity multiple fracture wound when wartime and great disaster, restore funcitons reduces disability rate better.8, easy and simple to handle, wound is little, be easy to carry, dismounting, easily sterilization, corrosion-resistant, be easy to promote, be specially adapted to wartime, in emergency circumstances to fixation of fractures.9, this bone external fixator cost is low, and exquisite appearance is easily promoted, and can serve the crowd of different economic conditions.
Description of drawings
Fig. 1 is this utility model structural representation
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: fixed part 1, connecting rod 2, Universal-head 3, connecting rod lock nut 4, fracture fixation pin 5, locking pin lock nut 6.Annexation is: fixed part 1 has two, be upper fixed parts and below fixed part, the upper fixed parts are connected with connecting rod 2 tops, connecting rod 2 belows are provided with depression, the top spheroid of Universal-head 3 is located in this depression, Universal-head 3 other ends are connected with the below fixed part, between upper fixed parts and the connecting rod 2, between connecting rod 2 and the Universal-head 3, one connecting rod lock nut 4 is respectively arranged between Universal-head 3 and the below fixed part, upper fixed parts and below fixed part respectively are provided with circular hole, fracture fixation pin 5 passes this circular hole, and by 6 lockings of locking pin lock nut and fixing fracture locking pin 5 and fixed part 1.
Described connecting rod 2 is a cylinder, in the fluted column screw thread is arranged in its cylinder top.
Described upper fixed parts constitute an integral body by oval cylinder and threaded rod, and the outer silk of threaded rod matches with the interior fluted column female thread in connecting rod cylinder top, can finish stretching between upper fixed parts and the connecting rod 2 by forward and reverse rotation.
Described Universal-head 3, its top are spheroid, and its below is a threaded rod, and top spheroid, threaded rod are an integral body.
Described connecting rod 2, its cylinder below indent column top is hemispherical depression, and this hemispherical depression internal diameter is slightly larger than Universal-head 3 top spheroids, Universal-head 3 can be finished in certain angle rotatablely move.
Described Universal-head 3, the outer silk of its threaded rod matches with the interior fluted column female thread in below fixed part cylinder top, can finish stretching between connecting rod 2 and the below fixed part by forward and reverse rotation.
Above-mentioned each threaded rod external diameter is all identical, the outer silk of each threaded rod matches with connecting rod lock nut 4 endoporus silks, by connecting rod lock nut 4 fluted column direction rotation in each, can lock and fixedly between upper fixed parts and the connecting rod 2, the position between connecting rod 2 and the Universal-head 3, between Universal-head 3 and the below fixed part concerns.
Equidistant circular hole is walked crosswise at described fixed part 1 cylinder middle part, and its internal diameter is consistent with fracture fixation pin 5 external diameters, and fracture fixation pin 5 can pass this circular hole with extremely attaching.
Described fracture fixation pin 5 is threaded, after fracture fixation pin 5 passes circular hole on fixed part 1 cylinder, in fixed part 1 cylinder both sides, one piece of locking pin lock nut 6 is arranged respectively,, can lock and fixing position relation of fracturing between locking pin 5 and the fixed part 1 to the rotation of cylinder direction by locking pin lock nut 6.
Described fixed part 1, connecting rod 2, Universal-head 3, connecting rod lock nut 4, its material is polymethyl methacrylate.
Described fracture fixation pin 5, locking pin lock nut 6, its material are titanium alloy.
When using this utility model, select the fracture fixation pin to pierce a little with regard to fracture situation and in conjunction with external fixator earlier, vertical key direction is in fracture line far and near two ends boring and screw in two pieces of fracture fixation pins 5 respectively, and screws in one piece of locking pin lock nut 6 on every piece of fracture fixation pin 5.The external fixator connecting rod lock nut 4 that combines is all unclamped, make external fixator that maximum degree of freedom be arranged, rotation threaded rod and Universal-head 3, the fracture fixation Aculeata that screws in the backbone and have one piece of locking pin lock nut 6 is penetrated the circular hole of walking crosswise of corresponding external fixator fixed part, screw in one piece of locking pin lock nut 6 again at every piece of fracture fixation pin 5 afterbodys.Then that the lock nut on every piece of fracture fixation pin 5 is fixing to the rotation of fixed part 1 direction, fracture fixation pin 5 and fixed part 1 strong bonded are become one.After the reduction of the fracture is satisfied, the fluted column direction rotation in each of each connecting rod lock nut of external fixator is fixing, make between upper fixed parts and the connecting rod 2, between connecting rod 2 and the Universal-head 3, strong bonded becomes one between Universal-head 3 and the below fixed part.
This utility model is X line multi-function bone external fixator thoroughly, can solve and use the conventional metals external fixation to take exercise and solve both at home and abroad at present because of being subjected to the restriction of each side condition wartime at present clinically at therapeutic effect, postoperative function, fix the reliable method of fracturing and lack, make it can carry out the rescue service of wounds such as extremity fracture on the spot rapidly, easily, improve the treatment quality in flat wartime.
This utility model substitutes the conventional metals exterior fixation bracket, improves the treatment quality at serious limbs of comminuted, complicated difficult and complicated fracture, nearly joint comminuted fracture and osteomyelitis and bone does not connect etc.The used main part material of this utility model is a polymethyl methacrylate, hardness is better, be not easy breakage, fracture, and its stretching, bending, compression equal strength all are higher than TPO (comprising the PP material), and have excellent transparency, resistance to weathering, its stability, high safety can be in the uses of cold district; The used adnexa of this utility model (fracture fixation pin) material is a titanium alloy, has the excellent comprehensive performance, and it is nontoxic, light weight, intensity high and have good biocompatibility, is suitable as body implant.
Claims (10)
1, a kind of bone of X line thoroughly external fixator, comprise: fixed part, connecting rod, Universal-head, the connecting rod lock nut, the fracture fixation pin, the locking pin lock nut, it is characterized in that, fixed part is divided into upper fixed parts and below fixed part, the upper fixed parts are connected with the connecting rod top, the connecting rod below is provided with depression, the top spheroid of Universal-head is located in this depression, the Universal-head other end is connected with the below fixed part, between upper fixed parts and the connecting rod, between connecting rod and the Universal-head, one connecting rod lock nut is respectively arranged between Universal-head and the below fixed part, upper fixed parts and below fixed part respectively are provided with circular hole, and the fracture fixation pin passes this circular hole, and by locking pin lock nut locking and fixing.
2, the bone of X line thoroughly external fixator according to claim 1 is characterized in that described connecting rod is a cylinder, in the fluted column screw thread is arranged in its cylinder top.
3, the bone of X line thoroughly external fixator according to claim 1 and 2 is characterized in that, described connecting rod, and its cylinder below indent column top is hemispherical depression, and this depression internal diameter is greater than Universal-head top spheroid.
4, the bone of X line thoroughly external fixator according to claim 1 is characterized in that described upper fixed parts constitute an integral body by oval cylinder and threaded rod, and the outer silk of threaded rod matches with the interior fluted column female thread in connecting rod cylinder top.
5, the bone of X line thoroughly external fixator according to claim 1 is characterized in that, described Universal-head, and its top is a spheroid, and its below is a threaded rod, and top spheroid, threaded rod are an integral body.
6, X line bone external fixator thoroughly according to claim 1 or 5 is characterized in that, described Universal-head, and the fluted column female thread matches in the outer silk of its threaded rod and the below fixed part cylinder top.
7, the bone of X line thoroughly external fixator according to claim 1 is characterized in that, equidistant circular hole is walked crosswise at described fixed part cylinder middle part, and its internal diameter is consistent with fracture fixation pin external diameter.
8, the bone of X line thoroughly external fixator according to claim 1, it is characterized in that described fracture fixation pin is threaded, after the fracture fixation pin passes circular hole on the fixed part cylinder, in fixed part cylinder both sides, one piece of locking pin lock nut locking and fixing is arranged respectively.
9, the bone of X line thoroughly external fixator according to claim 1 is characterized in that, described fixed part, connecting rod, Universal-head, connecting rod lock nut, and its material is polymethyl methacrylate.
10, the bone of X line thoroughly external fixator according to claim 1 is characterized in that described fracture fixation pin, locking pin lock nut, its material are titanium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720198888XU CN201119904Y (en) | 2007-12-06 | 2007-12-06 | Bone external fixer of permeable X-ray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720198888XU CN201119904Y (en) | 2007-12-06 | 2007-12-06 | Bone external fixer of permeable X-ray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201119904Y true CN201119904Y (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720198888XU Expired - Fee Related CN201119904Y (en) | 2007-12-06 | 2007-12-06 | Bone external fixer of permeable X-ray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201119904Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933831A (en) * | 2009-07-02 | 2011-01-05 | 王天兵 | Protective cap for tail end of medical steel needle |
| CN102783997A (en) * | 2012-08-17 | 2012-11-21 | 刘建 | Portable fracture external fixing rack |
| CN105476701A (en) * | 2015-12-14 | 2016-04-13 | 重庆医科大学附属永川医院 | Bone transport apparatus for treatment of large segmental defect of femur |
| CN105476702A (en) * | 2015-12-14 | 2016-04-13 | 重庆医科大学附属永川医院 | Bone transport apparatus for treatment of large segmental defect of humerus |
| CN106859757A (en) * | 2015-12-14 | 2017-06-20 | 重庆医科大学附属永川医院 | A kind of bone Handling device for shin bone large segmental bone defect |
| CN105877830B (en) * | 2015-12-14 | 2018-07-06 | 重庆医科大学附属永川医院 | A kind of bone handling device for large segmental bone defect |
-
2007
- 2007-12-06 CN CNU200720198888XU patent/CN201119904Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933831A (en) * | 2009-07-02 | 2011-01-05 | 王天兵 | Protective cap for tail end of medical steel needle |
| CN102783997A (en) * | 2012-08-17 | 2012-11-21 | 刘建 | Portable fracture external fixing rack |
| CN102783997B (en) * | 2012-08-17 | 2014-07-16 | 刘建 | Portable fracture external fixing rack |
| CN105476701A (en) * | 2015-12-14 | 2016-04-13 | 重庆医科大学附属永川医院 | Bone transport apparatus for treatment of large segmental defect of femur |
| CN105476702A (en) * | 2015-12-14 | 2016-04-13 | 重庆医科大学附属永川医院 | Bone transport apparatus for treatment of large segmental defect of humerus |
| CN106859757A (en) * | 2015-12-14 | 2017-06-20 | 重庆医科大学附属永川医院 | A kind of bone Handling device for shin bone large segmental bone defect |
| CN106859757B (en) * | 2015-12-14 | 2018-07-06 | 重庆医科大学附属永川医院 | A kind of bone handling device for shin bone large segmental bone defect |
| CN105877830B (en) * | 2015-12-14 | 2018-07-06 | 重庆医科大学附属永川医院 | A kind of bone handling device for large segmental bone defect |
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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: 20080924 Termination date: 20131206 |