CN2249065Y - Combined bone external-fixer - Google Patents
Combined bone external-fixer Download PDFInfo
- Publication number
- CN2249065Y CN2249065Y CN 96217072 CN96217072U CN2249065Y CN 2249065 Y CN2249065 Y CN 2249065Y CN 96217072 CN96217072 CN 96217072 CN 96217072 U CN96217072 U CN 96217072U CN 2249065 Y CN2249065 Y CN 2249065Y
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- Prior art keywords
- connecting rod
- steel needle
- needle
- fixing
- base
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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.)
- Expired - Fee Related
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000000399 orthopedic effect Effects 0.000 claims description 4
- 210000004197 pelvis Anatomy 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 241000269799 Perca fluviatilis Species 0.000 abstract 2
- 230000002441 reversible effect Effects 0.000 abstract 1
- 206010017076 Fracture Diseases 0.000 description 21
- 208000010392 Bone Fractures Diseases 0.000 description 19
- 238000010586 diagram Methods 0.000 description 7
- 210000003414 extremity Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035876 healing Effects 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 210000002303 tibia Anatomy 0.000 description 3
- 230000017531 blood circulation Effects 0.000 description 2
- 230000008338 local blood flow Effects 0.000 description 2
- 206010020462 Humerus fracture Diseases 0.000 description 1
- 206010061225 Limb injury Diseases 0.000 description 1
- 208000002565 Open Fractures Diseases 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 230000035987 intoxication Effects 0.000 description 1
- 231100000566 intoxication Toxicity 0.000 description 1
- 230000008407 joint function Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical compound C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 210000002320 radius Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000250 revascularization Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000000623 ulna Anatomy 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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Abstract
The utility model relates to a combined bone external-fixer, which comprises a steel needle fixing clamp, a cardan joint, a dead joint perch, a female connection perch, a reversible buckled bolt, a half ring bow, an arc bow, a connecting rod strengthen holder, a correct type pad, a steel needle, etc. The utility model is used for fixing the fracture in any part of the limbs and body, aligning the malformed bone and joint, and lengthening the limbs and body through different installation assemblings. The combined bone external-fixer overcomes the defect of the existing external-fixer, increases the commonality and practicability of the external-fixer to further enhance the curative effect and diminish the complication, making the utility model more suitable to fit the clinical practice request and applicable to the emergency treatment in field.
Description
The utility model relates to an external bone fixator, in particular to a combined external bone fixator.
The existing bone external fixator product has the problems of single structural form, poor universality, unreliable performance, complex operation, multiple complications and the like.
The utility model aims at providing a modular bone external fixator, overcome the not enough of current bone external fixator, increase external fixator's commonality and practicality, further improve the curative effect and reduce the complication, make it accord with clinical actual requirement more and be suitable for open-air first aid.
The purpose of the utility model is realized like this:
a combined external fixator is characterized in that: the device comprises a steel needle fixing clamp, a universal joint, a fixed connecting rod, an internal thread connecting rod, a positive and negative buckle bolt, a semi-ring arch, an arc arch, a connecting rod reinforcing clamp, a shaping pad, a conical threaded needle and the like; wherein,
(1) the steel needle fixing clamp is composed of a base with a U-shaped groove for fixing the connecting rod, a concave gasket above the base, a steel needle pressing pad with double U-shaped grooves for fixing the steel needle above the concave gasket, and a fastening screw for connecting the above elements into a whole, wherein the steel needle pressing pad can rotate freely;
(2) the universal joint is composed of a base with double U-shaped grooves, a connecting rod pressure pad, a concave gasket and a screw, wherein the concave gasket is arranged between the base and the connecting rod pressure pad and is fixed into a whole by the screw through a screw hole in the center, and the connecting rod pressure pad and the base can rotate freely;
(3) the two ends of the internal thread connecting rod are provided with internal threads, the two internal thread connecting rods can be connected into a whole through a bolt with a positive and negative buckle, the moving length of the connecting rod is 2mm when the positive and negative buckle bolt is rotated for one circle, and the adjusting length is 0-40 mm;
(4) the semi-ring bow can form a semi-ring type or full-ring type external bone fixator by installing a steel needle fixing clamp.
(5) The arc-shaped bow comprises a femoral shaft arc-shaped bow and a pelvis arc-shaped bow, and the two arc-shaped bows are connected into a whole through a connecting rod reinforcing clamp and a positive and negative buckle bolt;
(6) the connecting rod reinforcing clamp is mainly used for fixing the parallel connecting rod and comprises a pressing plate, a base and a fixing bolt, wherein the pressing plate and the base are provided with an upper U-shaped groove and a lower U-shaped groove, and the fixing bolt is used for connecting the upper U-shaped groove and the lower U-shaped groove into a whole;
(7) orthopedic pad: the steel needle fixing clamp is mainly matched with a steel needle fixing clamp to fix a steel needle deviating from a needle threading plane, and the steel needle is fixed during readjustment;
(8) a steel needle; a full needle and a tapered threaded half needle or a threadless half needle; wherein the whole needle is divided into a threaded needle or a non-threaded needle.
The U-shaped groove quantity on the steel needle fixation clamp base be 1 ~ 2, and be equipped with anti-skidding tooth between the combined part of steel needle fixation clamp and universal joint.
The purpose of applying the combined external bone fixator to treat fracture is to completely recover the function of injured limbs as early as possible; the central link of treatment is restoration and fixation, restoration can be maintained only by effective fixation, and the healing process of fracture and early functional exercise can be normally performed. The external bone fixator is improved, innovated and developed around how to perform high-quality and effective fixation on the fracture. The high-quality and effective fixation means that under the conditions of not damaging the local blood circulation of the fracture and facilitating the functional exercise, the early stable fixation and the middle and later elastic fixation are provided for the fracture, the local normal blood circulation of the fracture can be maintained to the maximum extent, and the revascularization of the damaged part is facilitated; early stages allow joint function mobility and limb injury loading. The method creates the most favorable conditions for fracture healing and injured limb function recovery from several aspects of biology, biomechanics, function rehabilitation and the like. The method is a simple, effective, safe and reliable method for treating the fracture, the application is proper, the bone healing rate can reach more than 98%, and the average treatment time is shortened by 33.4-88% compared with other methods due to the reduction of the occurrence of certain serious complications. The combined external bone fixator of the utility model has the following advantages.
1. The combined external bone fixator can be used for effectively fixing various types of fractures in time under various complex conditions, and the combined external bone fixator can also provide effective fixation even for complex fractures which are difficult to fix by other methods.
2. The puncture needle is far away from the fracture end, so that the local blood circulation damage of the fracture is not aggravated, and the blood circulation of the injured limb is not influenced by the external fixing device.
3. Provides various biomechanical environments, and can carry out compression fixation, traction fixation or neutral position fixation according to different fracture types.
4. Can fix steel needles with various diameters of 2-5 mm to change the fixing rigidity according to requirements, implement early stable fixing and later elastic fixing, eliminate stress shielding, increase physiological stimulation and promote fracture healing.
5. The form of the fixation of the fracture at the overhead wound solves the contradiction between the fixation of the fracture and the wound treatment in the treatment of open fracture and infectious fracture.
6. Post-operatively allows readjustment to correct residual axis deviations.
7. The complications are few and light, and the treatment is easy once the complications occur.
8. Compared with internal fixation operations such as steel plate and the like, the operation has the advantages of no need of wide incision, small wound, no need of blood transfusion, simple bed intoxication, small interference on the whole body, simple operation and easy mastering; compared with plaster, traction or small splints, the splint has the advantages of firm and stable fixation, capability of moving a patient out of a bed, no influence on joint movement due to fixation of the backbone part and the like.
9. No foreign body is left at the fracture part, and no secondary operation is needed.
The present invention will be further explained with reference to the drawings and the embodiments.
Fig. 1 is a structural view of the embodiment of the steel needle fixing clip of the present invention.
Fig. 1(a) is a structural view of a double-rod steel needle fixing clip.
FIG. 1(b) is a structural view of a single-bar steel needle clip.
FIG. 1(c) is a schematic view of a U-shaped groove fixed connection rod of the base.
FIG. 1(d) is a view showing the use of a steel needle capable of fixing various directions.
In the figure: 1. a steel needle 111, a fastening screw; 112. a steel needle pressure pad; 113. a concave surface gasket; 114. a base; 115. a U-shaped groove on the base; 116. u-shaped groove on the steel needle pressure pad.
FIG. 2 is a block diagram of an embodiment of a universal joint.
Fig. 2(a) is a structure view of a universal joint.
Fig. 2(b), (c) are views showing the use states of the connecting rods for various angles of intersection.
In the figure: 1. universal joint, 111. fastening screw; 113. a concave surface gasket; 211. link pressure pad, 114 base.
Fig. 3 is an example of a connecting rod.
Fig. 3(a) is a schematic view of a fixed connecting rod.
Fig. 3(b) is a schematic view of an internally threaded connecting rod.
Fig. 3(c, d) shows a draft pressure link and a multi-break draft pressure link formed by connecting female screws with positive and negative bolts.
In the figure: 3. a fixed connecting rod; 4. an internal threaded connecting rod; 5. the positive and negative buckle bolt.
Fig. 4 is a structural view of an embodiment of the half-hoop arch.
FIG. 4(a) is a schematic view of a half-loop bow.
Fig. 4(b) shows a full ring formed by fixing two half-ring arches by steel needle fixing clips.
In the figure: 6. a semi-ring arch.
Fig. 5 is a block diagram of an embodiment of an arch.
FIG. 5(a) a diagram of the use of the femoral shaft arch;
fig. 5(b) a view showing the use state of the arc-shaped pelvic arch.
In the figure: 7. an arc-shaped bow; 711. a femoral shaft arch; 712. an arc-shaped bow of the pelvis.
FIG. 6 is a block diagram of an embodiment of a tie rod reinforcement clip.
FIG. 6(a) is a view showing a structure of a tie bar reinforcing clip.
FIG. 6 is a view showing a fixed state of the parallel link lever.
In the figure: 8. a connecting rod reinforcing clamp; 811. pressing a plate; 812. a base; 813. U-shaped grooves; 814. and (5) fixing the bolt.
Figure 7 is a block diagram of an orthopedic pad implementation.
FIG. 7(a) is a schematic view of a flat pad.
FIG. 7(b) schematic diagram of a skewed slot pad.
FIG. 7(c, e) a diagram of the use state of the flat mat;
FIG. 7(d, f) is a view showing a state of use of the chute type pad.
In the figure: 9. an orthopedic pad.
Fig. 8 is an example of the profile of a steel needle.
Fig. 8(a, b, c) shows a tapered threaded needle.
FIG. 8(d, e, f, g) shows other types of needles.
In the figure: 10. a tapered threaded needle.
FIG. 9(a, b, c, d) mounting view of single-sided combination external bone fixator
2-3 diameters are respectively threaded on the far and near fracture sections on one side of the limb according to the sequence of a graph a-b: the upper limb is 3.5-4 mm, the lower limb is 5mm, and the needle is half threaded, so that unilateral plane fixation is realized. The fixing mode has simple structure and convenient operation, and has little or no muscle penetration and small risk of damaging nerves and blood vessels. It is suitable for the stable fracture of humerus, ulna, radius, femur and tibia and the supplement after some simple internal fixation.
Fig. 10(a, b, c, d, e) is an installation drawing of the bilateral type combined external bone fixator.
2 full needles are respectively worn on the coronal plane far and near fracture sections of the limbs in parallel according to the sequence shown in figures 10 a-c, and the diameter is 3.5-4 mm. So as to form double-side single-plane fixation. The mode has simple structure, convenient drafting and pressurization adjustment and easy correction of lateral angulation. Is suitable for the super-joint fixation of 1/3 fracture on the middle tibia, the upper femoral condyle and the lower tibia, and the like.
Fig. 10(d, e) shows a state of use in which the half-ring arch is fixed.
It can be known from the above that the utility model overcomes the defects of the existing bone external fixator, increases the universality and the practicability of the bone external fixator, further improves the curative effect and reduces the complications, and makes the bone external fixator more accord with the clinical actual requirements and be applicable to the field first aid.
The above-mentioned only gives several examples of this combination external bone fixator, the coverage of the technical scheme of the utility model is not limited to this, can constitute many kinds of combination modes through the utility model discloses the subassembly all belongs to the scope of the technical scheme of the utility model.
Claims (3)
1. A combined external fixator is characterized in that: the device comprises a steel needle fixing clamp, a universal joint, a fixed connecting rod, an internal thread connecting rod, a positive and negative buckle bolt, a semi-ring arch, an arc arch, a connecting rod reinforcing clamp, a shaping pad, a conical threaded needle and the like; wherein,
(1) the steel needle fixing clamp is composed of a base with a U-shaped groove for fixing the connecting rod, a concave gasket above the base, a steel needle pressing pad with double U-shaped grooves for fixing the steel needle above the concave gasket, and a fastening screw for connecting the above elements into a whole, wherein the steel needle pressing pad can rotate freely;
(2) the universal joint is composed of a base with double U-shaped grooves, a connecting rod pressure pad, a concave gasket and a screw, wherein the concave gasket is arranged between the base and the connecting rod pressure pad and is fixed into a whole by the screw through a screw hole in the center, and the connecting rod pressure pad and the base can rotate freely;
(3) the two ends of the internal thread connecting rod are provided with internal threads, the two internal thread connecting rods can be connected into a whole through a bolt with a positive and negative buckle, the moving length of the connecting rod is 2mm when the positive and negative buckle bolt is rotated for one circle, and the adjusting length is 0-40 mm;
(4) the semi-ring bow can form a semi-ring type or full-ring type external bone fixator by installing a steel needle fixing clamp.
(5) The arc-shaped bow comprises a femoral shaft arc-shaped bow and a pelvis arc-shaped bow, and the two arc-shaped bows are connected into a whole through a connecting rod reinforcing clamp and a positive and negative buckle bolt;
(6) the connecting rod reinforcing clamp is mainly used for fixing the parallel connecting rod and comprises a pressing plate, a base and a fixing bolt, wherein the pressing plate and the base are provided with an upper U-shaped groove and a lower U-shaped groove, and the fixing bolt is used for connecting the upper U-shaped groove and the lower U-shaped groove into a whole;
(7) orthopedic pad: the steel needle fixing clamp is mainly matched with a steel needle fixing clamp to fix a steel needle deviating from a needle threading plane, and the steel needle is fixed during readjustment;
(8) steel needle: a full needle and a tapered threaded half needle or a threadless half needle; wherein the whole needle is divided into a threaded needle or a non-threaded needle.
2. The combined external bone fixator of claim 1, wherein: the number of U type grooves on the base of steel needle fixation clamp is 1 ~ 2.
3. The combined external bone fixator of claim 1, wherein: anti-skid teeth are arranged between the steel needle fixing clamp and the combined parts of the universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217072 CN2249065Y (en) | 1996-07-02 | 1996-07-02 | Combined bone external-fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96217072 CN2249065Y (en) | 1996-07-02 | 1996-07-02 | Combined bone external-fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2249065Y true CN2249065Y (en) | 1997-03-12 |
Family
ID=33898354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96217072 Expired - Fee Related CN2249065Y (en) | 1996-07-02 | 1996-07-02 | Combined bone external-fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2249065Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670289A (en) * | 2012-05-30 | 2012-09-19 | 上海市奉贤区中心医院 | Frame-type external fixator |
| CN106420020A (en) * | 2016-08-31 | 2017-02-22 | 天津正天医疗器械有限公司 | External screw fixing device used after tibial osteotomy |
-
1996
- 1996-07-02 CN CN 96217072 patent/CN2249065Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102670289A (en) * | 2012-05-30 | 2012-09-19 | 上海市奉贤区中心医院 | Frame-type external fixator |
| CN106420020A (en) * | 2016-08-31 | 2017-02-22 | 天津正天医疗器械有限公司 | External screw fixing device used after tibial osteotomy |
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| DD01 | Delivery of document by public notice |
Addressee: Xia Hetao Document name: payment instructions |
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| C57 | Notification of unclear or unknown address | ||
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Addressee: Xia Hetao Document name: Notice of termination |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |