CN220898766U - Bone tractor - Google Patents
Bone tractor Download PDFInfo
- Publication number
- CN220898766U CN220898766U CN202322183886.5U CN202322183886U CN220898766U CN 220898766 U CN220898766 U CN 220898766U CN 202322183886 U CN202322183886 U CN 202322183886U CN 220898766 U CN220898766 U CN 220898766U
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- bone
- bone traction
- bow
- needle
- fixing
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 192
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model is applicable to the technical field of medical instruments, and provides a bone tractor, which comprises: the two ends of the bone traction bow are detachably connected with fixed clamping blocks; the bone traction needle straddling two ends of the bone traction bow, the fixing clamp blocks are matched with the bone traction bow to fix the bone traction needle at two ends of the bone traction bow, each fixing clamp block is connected with the bone traction bow through the fixing piece, and the fixing piece is arranged on one side of the bone traction needle.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a bone tractor.
Background
Bone traction is a surgical method for temporarily fixing a fractured limb part of a patient, and is widely applied to clinic. The bone traction surgical instrument commonly used at present is a bone traction device which mainly comprises a bone traction bow and a bone traction needle, wherein the bone traction bow can be repeatedly used. When the bone traction operation is needed, a doctor firstly opens a bone traction bag with surgical instruments such as bone traction needles, hand drills or electric drills and the like with various specifications, and then performs sterilization and positioning. During operation, a bone traction needle with proper specification is screwed into a locating point close to a fracture part on a limb of a patient by a hand drill or an electric drill until the bone traction needle is screwed through bone cortex on two sides and pierces the skin from the other side to penetrate out, and then two ends of the bone traction needle are connected with a bone traction bow.
In the prior art, CN103040506B discloses a disposable bone distractor comprising a bone distraction bow, a bone distraction needle, two bone distraction needle fixing clips, a plurality of screws and a T-wrench. The device has the following when in use:
1. When the device is installed, two fixing holes on the fixing clamp block are required to be centered, and then two fixing screws are screwed and fixed, so that the centering and fixing operation of the fixing clamp block during installation is increased, and the operation steps of operators are increased;
2. The bone traction needle of the device is arranged between two screws, the two screws are required to be disassembled when the bone traction needle is disassembled, and then the bone traction bow and the bone traction needle can be separated, so that the bone traction needle is inconvenient to disassemble.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of utility model
In view of the above-mentioned drawbacks, an object of the present utility model is to provide a bone retractor, which can ensure that when a bone retractor needle is fixed, the bone retractor needle and a bone retractor bow are fixed by tightening a single screw, and at the same time, the bone retractor needle and the bone retractor bow are separated without completely disassembling a fixing clamp block, so that the operation is simpler and more convenient.
In order to achieve the above object, the present utility model provides a bone retractor comprising: the two ends of the bone traction bow are detachably connected with fixed clamping blocks; the bone traction needle straddles two ends of the bone traction bow, the fixing clamp blocks are matched with the bone traction bow to fix the bone traction needle at two ends of the bone traction bow, each fixing clamp block is connected with the bone traction bow through a fixing piece, and the fixing piece is arranged on one side of the bone traction needle.
According to the bone traction device, the groove is formed in one side, matched with the bone traction needle, of the fixing clamp block, the bone traction needle is fixed on the bone traction bow under the action of the groove, and the fixing piece is a screw.
According to the bone tractor disclosed by the utility model, the two sides of the two ends of the bone traction bow are respectively provided with the limit edges, the two side surfaces of the fixed clamping block are clung to the inner side surfaces of the limit edges, the fixed clamping block is provided with the threaded holes, the two ends of the bone traction bow are provided with the matching holes which are arranged corresponding to the threaded holes, and the screws are threaded into the threaded holes after penetrating through the matching holes.
According to the bone tractor disclosed by the utility model, the two sides of the two ends of the bone traction bow are respectively provided with the limiting edges, the two sides of the fixed clamping block are respectively provided with the rotating shafts which are rotationally connected with the limiting edges, the fixed clamping block is provided with the threaded holes, and the threaded holes and the rotating shafts are positioned on the same side of the groove.
According to the bone tractor disclosed by the utility model, the threaded matching holes corresponding to the threaded holes are formed in the two ends of the bone traction bow, and the screws are in threaded connection with the threaded holes and the matching holes when the bone traction bow is fixed.
According to the bone tractor disclosed by the utility model, the bone traction bow is U-shaped, arc-shaped or II-shaped, and a plurality of traction holes are formed in the top part of the bone traction bow.
According to the bone tractor, the length of the bone traction needle is smaller than the distance between the outer side surfaces of the two ends of the bone traction bow and larger than the distance between the inner side surfaces of the two ends of the bone traction bow.
The present utility model provides a bone distractor comprising: the two ends of the bone traction bow are detachably connected with the fixing clamping blocks, and the bone traction needle is fixed through the fixing clamping blocks, so that the subsequent traction operation is ensured; the bone traction needle straddling the two ends of the bone traction bow, the fixing clamp blocks are matched with the bone traction bow to fix the bone traction needle at the two ends of the bone traction bow, the bone traction needle is fixed on the bone traction bow through the fixing clamp blocks, each fixing clamp block is connected with the bone traction bow through the fixing piece, the fixing clamp blocks are pressed onto the bone traction bow through the action of the fixing piece, the bone traction needle is pressed, the fixing effect of the bone traction needle and the bone traction bow is guaranteed, the fixing piece is arranged on one side of the bone traction needle, when the bone traction needle is detached, the fixing clamp blocks are guaranteed to move upwards for a part, the bone traction needle at the moment can be taken out from one side of the fixing clamp blocks, the whole fixing clamp blocks and the fixing piece are not required to be detached, the fixing clamp blocks are not required to be positioned when the bone traction needle is used again, the bone traction needle is enabled to be installed more quickly and conveniently, the bone traction needle is enabled to be detached through the fixing piece, the bone traction needle is guaranteed to be fixed by a single screw, the bone traction needle is not to be detached, and the bone traction needle is not easy to detach due to the fact that the bone traction needle is completely to be detached.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is an enlarged schematic view of the portion A in FIG. 1;
FIG. 3 is a schematic perspective view of a bone traction bow according to the present utility model;
FIG. 4 is a schematic perspective view of a fixed clamp block of the present utility model;
In the figure, 1-bone traction needle, 2-fixing piece, 3-bone traction bow, 31-limit edge, 32-matching hole, 33-traction hole, 4-fixing clamp block, 41-groove and 42-threaded hole.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1 and 2, in one embodiment of the present utility model, the bone tractor comprises a bone traction bow 3, two ends of which are detachably connected with fixing clamping blocks 4, and the bone traction needle 1 is fixed through the fixing clamping blocks 4, so that the subsequent traction operation is ensured; the bone traction needle 1 strides over the bone traction bow 3 both ends, fixed clamp splice 4 with bone traction bow 3 cooperates will bone traction needle 1 fixes the both ends of bone traction bow 3, fixes bone traction needle 1 on bone traction bow 3 through fixed clamp splice 4, every fixed clamp splice 4 with connect through mounting 2 between the bone traction bow 3, compress tightly fixed clamp splice 4 to bone traction bow 3 through mounting 2 effect to compress tightly bone traction needle 1, guarantee the fixed effect of bone traction needle 1 and bone traction bow 3, mounting 2 set up in one side of bone traction needle 1, guarantee when dismantling bone traction needle 1, through loosening mounting 2, guarantee that fixed clamp splice 4 upwards removes a part, bone traction needle 1 can take off from one side of fixed clamp splice 4 this moment, need not to dismantle whole fixed clamp splice 4 and mounting 2, need not carry out the location of fixed clamp splice 4 when later used again, faster convenient when making later installation.
Referring to fig. 1, 2, 3 and 4, it is preferable that a groove 41 is provided on one side of the fixing clamp block 4 matched with the bone traction needle 1 in the present utility model, the bone traction needle 1 is fixed on the bone traction bow 3 under the action of the groove 41, so as to ensure that the bone traction needle 1 is limited and fixed, prevent the bone traction needle 1 from being misplaced during traction, the fixing piece 2 is a screw, ensure the fixation of the fixing clamp block 4, both sides of both ends of the bone traction bow 3 are provided with limiting edges 31, both sides of the fixing clamp block 4 are tightly attached to the inner side of the limiting edges 31, the fixing clamp block 4 is positioned, the fixing clamp block 4 is prevented from misplaced, the subsequent fixation is affected, a threaded hole 42 is provided on the fixing clamp block 4, both ends of the bone traction bow 3 are provided with matching holes 32 corresponding to the threaded holes 42, and the screw is screwed to the threaded holes 42 after penetrating the matching holes 32, so that the fixing clamp block 4 is fixed by the screw, the fixing clamp block 4, so that the groove 41 of the fixing clamp block 4 is tightly pressed against the bone traction needle 1, and the bone traction needle 1 are fixed.
In addition, the bone traction bow 3 is U-shaped, arc-shaped or II-shaped, a plurality of traction holes 33 are formed in the top of the bone traction bow 3, bones are traction through the traction holes 33, the length of the bone traction needle 1 is smaller than the distance between the outer side surfaces of the two ends of the bone traction bow 3 and larger than the distance between the inner side surfaces of the two ends of the bone traction bow 3, the two ends of the bone traction needle 1 are prevented from being exposed out of the bone traction bow 3 after the bone traction needle 1 is fixed, and protection is guaranteed to the two ends of the bone traction bow 3, so that injury to people is prevented.
In this embodiment, the fixed clamp block 4 and the bone traction bow 3 are regulated by screwing the screw when in use, and when the screw needs to be disassembled, the position between the adjusting screw and the fixed clamp block 4 is regulated by rotating the screw, so that the bone traction needle 1 can be taken out from the bottom of the fixed clamp block 4, the screw and the fixed clamp block 4 do not need to be completely disassembled, and the workload during the disassembly is reduced.
In another embodiment of the present utility model, the main difference between the above embodiments is that both sides of two ends of the bone traction bow 3 are respectively provided with a limit edge 31, both sides of the fixed clamping block 4 are respectively provided with a rotating shaft rotatably connected to the limit edges 31, the fixed clamping block 4 can rotate on the limit edges 31, the fixed clamping block 4 is provided with a threaded hole 42, the threaded hole 42 and the rotating shaft are positioned on the same side of the groove 41, both ends of the bone traction bow 3 are respectively provided with a threaded matching hole 32 corresponding to the threaded hole 42, the screw is screwed to the threaded hole 42 and the matching hole 32 during fixing, when the bone traction needle 1 is detached, the end of the screw is separated from the matching hole 32 or the threaded hole 42 by screwing the screw, and the fixed clamping block 4 can rotate at this time, so that the fixed clamping block 4 does not compress the bone traction needle 1 any more, and the bone traction needle 1 is detached rapidly.
In summary, the present utility model provides a bone retractor, comprising: the two ends of the bone traction bow are detachably connected with the fixing clamping blocks, and the bone traction needle is fixed through the fixing clamping blocks, so that the subsequent traction operation is ensured; the bone traction needle straddling the two ends of the bone traction bow, the fixing clamp blocks are matched with the bone traction bow to fix the bone traction needle at the two ends of the bone traction bow, the bone traction needle is fixed on the bone traction bow through the fixing clamp blocks, each fixing clamp block is connected with the bone traction bow through the fixing piece, the fixing clamp blocks are pressed onto the bone traction bow through the action of the fixing piece, the bone traction needle is pressed, the fixing effect of the bone traction needle and the bone traction bow is guaranteed, the fixing piece is arranged on one side of the bone traction needle, when the bone traction needle is detached, the fixing clamp blocks are guaranteed to move upwards for a part, the bone traction needle at the moment can be taken out from one side of the fixing clamp blocks, the whole fixing clamp blocks and the fixing piece are not required to be detached, the fixing clamp blocks are not required to be positioned when the bone traction needle is used again, the bone traction needle is enabled to be installed more quickly and conveniently, the bone traction needle is enabled to be detached through the fixing piece, the bone traction needle is guaranteed to be fixed by a single screw, the bone traction needle is not to be detached, and the bone traction needle is not easy to detach due to the fact that the bone traction needle is completely to be detached.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Claims (7)
1. A bone distractor, comprising:
the two ends of the bone traction bow are detachably connected with fixed clamping blocks;
The bone traction needle straddles two ends of the bone traction bow, the fixing clamp blocks are matched with the bone traction bow to fix the bone traction needle at two ends of the bone traction bow, each fixing clamp block is connected with the bone traction bow through a fixing piece, and the fixing piece is arranged on one side of the bone traction needle.
2. The bone distractor of claim 1, wherein a groove is formed in a side of the fixation clamp where the bone distraction needle is engaged, the bone distraction needle is secured to the bone distraction bow by the groove, and the fixation element is a screw.
3. The bone traction device according to claim 2, wherein limiting edges are arranged on two sides of two ends of the bone traction bow, two side surfaces of the fixing clamping block are clung to the inner side surfaces of the limiting edges, threaded holes are formed in the fixing clamping block, matching holes which are arranged corresponding to the threaded holes are formed in two ends of the bone traction bow, and the screw is threaded into the threaded holes after penetrating through the matching holes.
4. The bone distractor of claim 2, wherein limiting edges are provided on both sides of both ends of the bone distractor, rotating shafts rotatably connected to the limiting edges are provided on both sides of the fixing clamp block, threaded holes are provided in the fixing clamp block, and the threaded holes and the rotating shafts are located on the same side of the groove.
5. The bone distractor of claim 4, wherein the bone distractor is provided with threaded mating holes at opposite ends of the bone distractor and the screw is threadably coupled to the threaded holes and the mating holes when secured.
6. The bone distractor according to any one of claims 1-5 wherein the bone distraction bow is U-shaped or arc-shaped or ii-shaped, and the top of the bow of the bone distraction bow is provided with a plurality of distraction holes.
7. The bone distractor of claim 6 wherein the length of the bone distraction needle is less than the distance between the outer lateral surfaces of the ends of the bone distraction arch and greater than the distance between the inner lateral surfaces of the ends of the bone distraction arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183886.5U CN220898766U (en) | 2023-08-15 | 2023-08-15 | Bone tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322183886.5U CN220898766U (en) | 2023-08-15 | 2023-08-15 | Bone tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220898766U true CN220898766U (en) | 2024-05-07 |
Family
ID=90918063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322183886.5U Active CN220898766U (en) | 2023-08-15 | 2023-08-15 | Bone tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220898766U (en) |
-
2023
- 2023-08-15 CN CN202322183886.5U patent/CN220898766U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |