CN216754576U - Reduce accurate bone traction device that resets of fracture of art mouth - Google Patents
Reduce accurate bone traction device that resets of fracture of art mouth Download PDFInfo
- Publication number
- CN216754576U CN216754576U CN202123025917.1U CN202123025917U CN216754576U CN 216754576 U CN216754576 U CN 216754576U CN 202123025917 U CN202123025917 U CN 202123025917U CN 216754576 U CN216754576 U CN 216754576U
- Authority
- CN
- China
- Prior art keywords
- fracture
- needle body
- needle
- body fixing
- outer frame
- 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
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 17
- 230000009467 reduction Effects 0.000 claims abstract description 36
- 230000007704 transition Effects 0.000 claims description 20
- 208000002847 Surgical Wound Diseases 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000004904 shortening Methods 0.000 abstract description 9
- 238000012937 correction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 abstract description 4
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 description 35
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010067268 Post procedural infection Diseases 0.000 description 2
- 210000000245 forearm Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 230000000399 orthopedic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 206010064867 Epiphyseal injury Diseases 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 206010061599 Lower limb fracture Diseases 0.000 description 1
- 206010048873 Traumatic arthritis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003275 diaphysis Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002303 tibia Anatomy 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a bone traction device for reducing accurate reduction of fracture of an operative incision, which comprises: the needle fixing device comprises an outer frame plate, two needle body fixing blocks, a Stewart needle and an adjusting rod, wherein the outer frame plate is movably connected with the two needle body fixing blocks; the near end and the far end of the fracture are respectively fixed by using the Steiner needle in an internal fixing mode, then the two Steiner needles are connected by an external fixing frame, and the front and back positions of the two Steiner needles are controlled by the external fixing frame through the mechanical transmission structure design to realize the front and back displacement of the broken end; the control mechanism on the hand-operated external fixing frame can drive the two ends of the fracture to be pulled by two Sterling pins to realize the shortening correction; the alignment and reduction of the fracture end are realized through the mutual matching of the shortening correction and the front and back displacement; the fracture reduction device is used for fracture reduction, tissue does not need to be cut, the wound is small, the broken end is finely adjusted, and the purpose of accurate reduction is achieved.
Description
Technical Field
The utility model belongs to the field of orthopedic medical instruments, and particularly relates to a bone traction device for reducing fracture accurate reduction of an operative hole.
Background
At present, the clinical fracture reduction mainly adopts closed reduction and open reduction, generally firstly stretching traction and restoring force line, then removing rotation, correcting, folding top, separating bones, pressing down and other operations are carried out, and if necessary, firstly folding back and then reducing are carried out, so that the fracture function reduction standard is reached, and the so-called fracture function reduction standard means that the rotation displacement and the separation displacement of the fracture part must be completely corrected; the shortening displacement is not more than 1cm when the lower limbs of adults are fractured, if children have no epiphyseal injury, the shortening of the lower limbs is within 2cm, and the children can correct the fracture by themselves during growth and development; angular displacement: the lower limb fracture is slightly angled forwards or backwards, is consistent with the movement direction of the joint, and can be corrected by self in the callus reconstruction period in the future. The patient can not be corrected in the future and must be completely reset after the patient is angularly displaced towards the lateral direction and is vertical to the moving direction of the joint. Otherwise, the load in and out of the joint is unbalanced, which is likely to cause traumatic arthritis. The fracture of the upper limb is not consistent, the humeral shaft is slightly deformed, and the function is not greatly influenced; the double fracture of the forearm requires good alignment and alignment, otherwise the rotation function of the forearm is affected; the long diaphysis transverse fracture, the alignment of the fracture end is at least about l/3, and the alignment of the metaphysis fracture is at least about 3/4;
at present, the clinical fracture reduction mainly has the following defects: 1) manual alignment reset is carried out, tissues at the broken ends need to be cut open in a large area, the broken ends are exposed, then, the alignment reset is carried out manually, the wound surface of a patient is overlarge, the healing recovery period is prolonged, and the pain of the patient and the postoperative infection risk are increased; 2) traction is needed in fracture reduction, but the existing bone traction bed for orthopedics department is mostly used on the femur and is not suitable for the upper limb bone and the tibia; 3) the reduction condition can not be finely adjusted in real time in the process of fracture reduction, and the final reduction can not reach the fracture function reduction standard.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model designs the accurate reduction bone traction device for reducing the fracture of the operative orifice, which utilizes the Steiner to fix the near end and the far end of the fracture respectively in an internal fixing mode, then connects two Steiner needles through an external fixing frame, and controls the front and back positions of the two Steiner needles through the external fixing frame through the mechanical transmission structure design to realize the front and back displacement of the broken end; the control mechanism on the hand-operated external fixing frame can drive the two ends of the fracture to be pulled by two Sterling pins to realize the shortening correction; the alignment and reduction of the fracture end are realized through the mutual matching of shortening correction and front-back displacement; the fracture reduction device is used for fracture reduction, tissue cutting is not needed, the wound is small, and the broken end can be finely adjusted in real time in the reduction process, so that the aim of accurate reduction is fulfilled;
in order to achieve the technical purpose, the utility model is realized by the following technical scheme: an accurate reduction bone draw gear of fracture that reduces art mouth includes: the needle fixing device comprises an outer frame plate, two needle body fixing blocks, a Stewart needle and an adjusting rod, wherein the outer frame plate is movably connected with the two needle body fixing blocks; the needle body fixing block is characterized in that the outer frame plate is provided with a sliding groove, and the back of the needle body fixing block is movably arranged in the sliding groove, so that the needle body fixing block can freely move on the sliding groove; the two ends of the outer frame plate are respectively connected with a screw guide cylinder, the adjusting rod penetrates through the screw guide cylinders and consists of a threaded rod, a rotating shaft and a transition connecting rod, wherein the threaded rod and the transition connecting rod are connected through the rotating shaft, the threaded rod is positioned in the screw guide cylinders to move, and the head ends of the transition connecting rods are detachably connected to the needle body fixing blocks;
preferably, the needle body fixing block is vertically provided with a pin inserting hole in a penetrating manner, the Stewart pin is arranged on the needle body fixing block through the pin inserting hole, the opening at the side edge of the pin inserting hole is connected with two tightening pieces, a tightening screw rod transversely penetrates between the two tightening pieces, and two ends of the tightening screw rod are respectively movably connected with a tightening screw button; the outer side wall of the needle body fixing block is connected with a transition connecting rod mounting cap, and the head end of the transition connecting rod is detachably mounted in the transition connecting rod mounting cap;
preferably, the rear side surface of the needle body fixing block is connected with a sliding screw rod, the sliding screw rod is inserted into a sliding groove in the outer frame plate, and then the sliding screw rod is fastened by screwing a screw button; the screwing screw button is loosened, the position of the needle body fixing block can be adjusted by rotating the adjusting rod, and after the adjusting rod is adjusted to a proper position, the screwing screw button is tightened to fix the position of the needle body fixing block;
preferably, the upper end of the Stewart pin is detachably provided with a grab handle.
The utility model has the beneficial effects that:
1) by using the accurate fracture reduction bone traction device designed by the utility model, the fixation and adjustment can be realized directly through the Steiner and the external fixing frame, a large-volume traction device is not required, and the accurate fracture reduction bone traction device is applicable to more fracture parts;
2) the utility model is used for fracture reduction, the Steiner needle is directly driven into the broken end, and the Steiner needle is used for traction, so that large-area tissue incision is not needed, the wound surface is greatly reduced, the recovery period is shortened, postoperative infection is avoided to a great extent, and the pain born by a patient is relieved;
3) the fracture reduction is carried out by utilizing the design of the utility model, the front and back positions and the shortening of the fracture end can be adjusted in real time in the reduction rehabilitation process, and the deviation in the reduction process is corrected, so as to achieve the most accurate reduction effect and achieve the reduction standard of the fracture function.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the outer frame structure of the present invention;
FIG. 3 is a schematic view of the back side structure of the external frame plate of the present invention;
FIG. 4 is a schematic view of the adjustment lever configuration of the present invention;
fig. 5 is a schematic structural view of the needle body fixing block of the present invention;
FIG. 6 is a schematic view of the construction of the Stewart pin of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-outer frame plate, 101-sliding groove, 102-screw guide cylinder, 2-needle body fixing block, 201-needle insertion hole, 202-tightening sheet, 203-tightening screw, 204-tightening screw button, 205-sliding screw, 206-transition connecting rod mounting cap, 3-Stewart pin, 301-grab handle, 4-adjusting rod, 401-threaded rod, 402-transition connecting rod, 403-rotating shaft and 404-hand crank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 6, an accurate reduction bone traction device for reducing fracture of an operation opening includes: the needle fixing device comprises an outer frame plate 1, needle body fixing blocks 2, a Stewart pin 3 and an adjusting rod 4, wherein the outer frame plate 1 is movably connected with the two needle body fixing blocks 2, the Stewart pin 3 is detachably mounted on the needle body fixing blocks 2, and the adjusting rod 4 is detachably mounted on the outer frame plate 1 and the needle body fixing blocks 2; the needle fixing block is characterized in that the outer frame plate 1 is provided with a sliding groove 101, and the back of the needle fixing block 2 is movably arranged in the sliding groove 101, so that the needle fixing block 2 can freely move on the sliding groove 101; the two ends of the outer frame plate 1 are respectively connected with a screw guide cylinder 102, the adjusting rod 4 penetrates through the screw guide cylinders 102, the adjusting rod 4 is composed of a threaded rod 401, a rotating shaft 403 and a transition connecting rod 402, wherein the threaded rod 401 and the transition connecting rod 402 are connected through the rotating shaft 403, the threaded rod 401 is located in the screw guide cylinders 102 and moves, the threaded rod 401 is matched with internal threads in the screw guide cylinders 102, the adjusting rod 4 is rotated, the adjusting rod 4 can move relative to the screw guide cylinders 102, the head end of the transition connecting rod 402 is detachably connected to the needle body fixing block 2, and the adjusting rod 4 moves to drive the needle body fixing block 2 to move;
preferably, the needle body fixing block 2 is vertically penetrated with a pin inserting hole 201, the schlieren pin 3 is installed on the needle body fixing block 2 through the pin inserting hole 201, the opening at the side edge of the pin inserting hole 201 is connected with two tightening pieces 202, a tightening screw 203 is transversely arranged between the two tightening pieces 202, two ends of the tightening screw 203 are respectively movably connected with a tightening screw 204, and the tightening screw 204 can clamp and fix the schlieren pin 3; the outer side wall of the needle body fixing block 2 is connected with a transition connecting rod mounting cap 206, and the head end of the transition connecting rod 402 is detachably mounted in the transition connecting rod mounting cap 206;
preferably, the rear side surface of the needle body fixing block 2 is connected with a sliding screw 205, the sliding screw 205 is inserted into the sliding groove 101 of the outer frame plate 1, and then the sliding screw is fastened by screwing the screw button 204; the screwing knob 204 is loosened, the position of the needle body fixing block 2 can be adjusted by rotating the adjusting rod 4, and after the position is adjusted to a proper position, the screwing knob 204 is fastened to fix the position of the needle body fixing block 2;
preferably, the upper end of the Stewart pin 3 is detachably provided with a grab handle 301.
Example 2
The use method of the accurate reduction bone traction device for reducing the fracture of the surgical incision is characterized by comprising the following steps of:
1) a Steiner pin 3 is respectively driven into the near end and the far end of the fracture;
2) two Steiner pins 3 are arranged on two needle body fixing blocks 2 near the head ends, and the Steiner pins 3 are locked with the needle body fixing blocks 2 through the cooperation of a tightening screw rod 203 and a tightening screw button 204;
3) a sliding screw 205 on the needle body fixing block 2 is placed in a sliding groove 101 of the outer frame plate 1 and then fastened by screwing a screw button 204; the fixation of the fracture broken end through the Steiner pin 3, the needle body fixing block 2 and the outer frame plate 1 is completed;
4) aiming at the front and back displacement of the broken end, the front and back displacement of the broken end of the fracture can be realized only by loosening the screwing knob 204 on the needle body fixing block 2 and tightening the screw rod 203, then installing the grab handle 301 at the upper end of the Steiner 3 and holding the grab handle 301 to move back and forth;
5) the shortening adjustment of the broken end is aimed at, the adjusting rod 4 penetrates through the screw guide tube 102, the head end of a transition connecting rod 402 on the adjusting rod 4 is installed on a transition connecting rod installation cap 206 on the needle body fixing block 2, the screwing knob 204 on the back face of the needle body fixing block 2 is loosened, then the hand crank 404 at the head end of the adjusting rod 4 is held in a hand mode and rotates clockwise or anticlockwise, the two needle body fixing blocks 2 can move back and forth or move in opposite directions, and shortening adjustment is achieved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. An accurate reduction bone draw gear of fracture that reduces art mouth includes: the needle fixing device comprises an outer frame plate, two needle body fixing blocks, a Stewart pin and an adjusting rod, wherein the two needle body fixing blocks are movably connected to the outer frame plate; the needle body fixing block is characterized in that the outer frame plate is provided with a sliding groove, and the back of the needle body fixing block is movably arranged in the sliding groove, so that the needle body fixing block can freely move on the sliding groove; the outer frame plate both ends respectively connect a screw rod guide cylinder, adjust the pole and pass the screw rod guide cylinder, adjust the pole and comprise threaded rod, pivot, transition connecting rod, wherein connect through the pivot between threaded rod and the transition connecting rod, and the threaded rod is located the screw rod guide cylinder and removes, and the head end detachable of transition connecting rod connects on the needle body fixed block.
2. The accurate reduction bone traction device for reducing the fracture of the surgical incision as claimed in claim 1, wherein the needle body fixing block is vertically penetrated with a needle insertion hole, the Stewart needle is installed on the needle body fixing block through the needle insertion hole, the opening at the side edge of the needle insertion hole is connected with two tightening pieces, a tightening screw rod traverses between the two tightening pieces, and two ends of the tightening screw rod are respectively movably connected with a tightening screw button; connect transition connecting rod installation cap on the needle body fixed block lateral wall, the head end detachable of transition connecting rod installs in transition connecting rod installation cap.
3. The accurate reduction bone traction device for reducing the fracture of the surgical incision as claimed in claim 1, wherein a sliding screw is connected to the rear side of the needle body fixing block, inserted into a sliding groove on the outer frame plate and then fastened by screwing a screw button; the knob of will screwing back pine can be adjusted the position of needle body fixed block through rotating the regulating lever, adjusts to suitable position after, will screw the knob again and tighten the position to the needle body fixed block and fix.
4. The accurate reduction bone traction device for reducing fracture of surgical incision as claimed in claim 1, wherein the upper end of the Sterling needle is detachably equipped with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025917.1U CN216754576U (en) | 2021-12-06 | 2021-12-06 | Reduce accurate bone traction device that resets of fracture of art mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123025917.1U CN216754576U (en) | 2021-12-06 | 2021-12-06 | Reduce accurate bone traction device that resets of fracture of art mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216754576U true CN216754576U (en) | 2022-06-17 |
Family
ID=81965107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123025917.1U Expired - Fee Related CN216754576U (en) | 2021-12-06 | 2021-12-06 | Reduce accurate bone traction device that resets of fracture of art mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216754576U (en) |
-
2021
- 2021-12-06 CN CN202123025917.1U patent/CN216754576U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8277449B2 (en) | Orthopedic external fixator and method of use | |
| US9066757B2 (en) | Orthopedic external fixator and method of use | |
| CN203677225U (en) | External fixing device for emergency treatment recovery of limb long-pipe-bone | |
| CN216754576U (en) | Reduce accurate bone traction device that resets of fracture of art mouth | |
| CN110755144A (en) | Lateral position lower limb resetting device for femoral intramedullary nail operation | |
| CN103637839B (en) | Rapid restorer for treating fracture of long tubular bones of limbs | |
| CN114027957A (en) | Reduce accurate bone draw gear that resets of fracture of art mouth | |
| CN112006768A (en) | Combined fixing device for femoral intramedullary nail steel plate | |
| CN111012467A (en) | Automatic traction device for tibia fracture coaptation operation | |
| CN207012235U (en) | A kind of pedicle of vertebral arch fixed system installation tool | |
| CN211560322U (en) | Automatic traction device for femoral fracture coaptation operation | |
| CN212466147U (en) | Hollow screw imbedding guiding positioner for posterior ankle | |
| CN204839705U (en) | Closed through bolt auxiliary stand of shin bone | |
| CN211583457U (en) | Automatic traction device for tibia fracture coaptation operation | |
| CN211243650U (en) | Closed reduction frame for femoral fracture | |
| CN113693697A (en) | Bone block lifting system, bone block lifting auxiliary instrument and vertebral body fixing plate | |
| CN106725788A (en) | A kind of wing plate with curved surface internal fixation system for spondylolysis and spondylolithesis of the lumbar spine | |
| CN106510834A (en) | Installation tool for pedicle fixation system | |
| CN2324977Y (en) | External fixation implement for distraction of ilium with femur | |
| CN112075984A (en) | Minimally invasive accurate positioning device for femoral intercondylar fracture screw | |
| CN110916794A (en) | Automatic traction device for lower limb fracture setting operation | |
| CN2193726Y (en) | Universal fracture reposition external fixator | |
| CN214208464U (en) | Spinal nail rod/hook system capable of being propped open/pressurized in reduction process | |
| CN216933429U (en) | Reduction fixation and Kirschner wire embedding and aiming device for children supracondylar fracture operation | |
| CN216317533U (en) | Medullary cavity mirror for intramedullary nail internal fixation operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |