CN111067609A - Fracture upper and lower limb reduction instrument - Google Patents
Fracture upper and lower limb reduction instrument Download PDFInfo
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- CN111067609A CN111067609A CN201911416554.9A CN201911416554A CN111067609A CN 111067609 A CN111067609 A CN 111067609A CN 201911416554 A CN201911416554 A CN 201911416554A CN 111067609 A CN111067609 A CN 111067609A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
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Abstract
The invention relates to the technical field of medical equipment, in particular to a fracture upper and lower limb repositor, which comprises a far-end ring and a near-end ring, wherein the far-end ring and the near-end ring are connected through a plurality of telescopic assemblies, and a control structure capable of telescopically adjusting the telescopic assemblies is arranged on the far-end ring; the near-end ring is fixed with a fixed sleeve for fixing limbs, the inner circumferential surface of the far-end ring is rotatably connected with an adjusting ring, the adjusting ring is also connected with the fixed sleeve, and the far-end ring is provided with an adjusting structure which can enable the adjusting ring to rotate relative to the far-end ring. The invention can realize the operations of traction, angle adjustment and dislocation alignment of the fracture position, thereby realizing fracture reduction and solving the problems of high labor intensity and difficult operation of doctors during fracture reduction in the prior art.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a fracture upper and lower limb reduction instrument.
Background
The upper and lower limbs of a person are easy to fracture, and when the upper and lower limbs fracture is treated in a hospital, the fracture needs to be reset firstly, namely, bones at two ends of the fracture are aligned and folded. During reduction, one doctor firstly pulls the proximal end of the fracture, the other doctor pulls the distal end of the fracture to separate the bones at the two ends of the fracture, and then the bones at the distal end are adjusted in angle and dislocation alignment. After the adjustment is finished, the pulling force is slowly removed, and the bones at the two ends are closed and reset.
However, in actual operation, the doctor needs to continuously pull the bone until the bone is aligned, so that the doctor is high in labor intensity and difficult to operate, and the doctor is very easy to relax due to fatigue; in addition, the adjustment of the traction force, the bone angle and the dislocation alignment by the doctor is difficult to control, and the doctor needs good cooperation and rich experience among the doctors, otherwise, the doctor is easy to cause secondary damage to the bone.
Disclosure of Invention
The invention aims to provide a fracture upper and lower limb reduction instrument, which solves the problems of high labor intensity and difficult operation of doctors during fracture reduction in the prior art.
The scheme is basically as follows: the fracture upper and lower limb repositor comprises a far-end ring and a near-end ring, wherein the far-end ring and the near-end ring are connected through a plurality of telescopic assemblies, and a control structure capable of telescopically adjusting the telescopic assemblies is arranged on the far-end ring; the near-end ring is fixed with a fixed sleeve for fixing limbs, the inner circumferential surface of the far-end ring is rotatably connected with an adjusting ring, the adjusting ring is also connected with the fixed sleeve, and the far-end ring is provided with an adjusting structure which can enable the adjusting ring to rotate relative to the far-end ring.
Has the advantages that: fixing the fixing sleeves on the adjusting ring and the near-end ring with the far end and the near end of the fracture position respectively, and controlling the telescopic assembly to extend through the control structure, so that bones at two ends of the fracture position are pulled; if the bone at the far end needs to be adjusted in a rotating way, the adjusting ring is enabled to rotate relative to the far end ring through the adjusting structure, so that the angle adjustment of the bone at the far end can be realized; after the adjustment is finished, the control structure controls the telescopic assembly to contract, so that the bones are closed. Compared with the prior art, the bone traction and alignment adjustment can be completed by one doctor, and a plurality of doctors are not needed to be matched for operation in the resetting process, so that the operation difficulty is reduced, the secondary injury condition is reduced, and the labor intensity of the doctors is reduced.
Furthermore, the telescopic assembly comprises a fixed rod fixed with the near-end ring and a rotating sleeve rotatably connected with the far-end ring, and the fixed rod is in threaded connection with the rotating sleeve; the control structure comprises a rotating ring which is rotationally connected with the far-end ring, an annular rack I is fixed on the rotating ring, and a rotating gear which can be meshed with the annular rack I is fixed on the rotating sleeve.
The doctor rotates the swivel, and accessible rack and rotating gear drive rotate the cover and rotate to make and rotate the cover and produce the displacement through the screw thread with the dead lever, realize flexible regulation, realized the regulation of distal end ring and near-end ring distance.
Furthermore, the adjusting structure comprises a second annular rack fixed with the adjusting ring, and a worm meshed with the second annular rack is rotatably connected to the far-end ring.
The doctor rotates through rotating the relative distal end ring of adjustable ring of worm, realizes the accurate regulation to telecentric end bone angle.
Furthermore, a polygon prism is fixed on the worm, and a polygonal counter bore is arranged in the axial direction of the polygon prism. This facilitates the use of the wrench by the physician to turn the worm.
Furthermore, the fixed sleeve on the adjusting ring is rotationally connected with the adjusting ring. If the fracture part has a dislocation condition, when the fixed sleeve fixes the far-end, the rotatable direction of the fixed sleeve can face the dislocation direction of the bone, so that the doctor can align the bone through pressing subsequently.
Further, the fixing sleeve on the near-end ring comprises a first arc-shaped plate and a second arc-shaped plate which are hinged with each other, and the first arc-shaped plate is fixed with the near-end ring; the fixed sleeve on the adjusting ring comprises a third arc plate and a fourth arc plate which are hinged with each other, the third arc plate is fixed with a connecting shaft, and the connecting shaft is rotatably connected with the adjusting ring. This facilitates the fixation of the limb by the fixation sleeve.
Furthermore, a locking piece is arranged between the adjusting ring and the third arc-shaped plate or the fourth arc-shaped plate. Avoid the fixed cover on the adjustable ring to rotate at will, should fix the cover when the doctor supports to press the adjustment, the accessible retaining member progressively loosens, improves the stability of adjustment process.
Furthermore, the retaining member comprises a abutting bolt which can abut against the third arc plate or the fourth arc plate, the adjusting plate is fixed with a connecting plate, and the abutting bolt is in threaded connection with the connecting plate. The use of the abutting bolt is convenient for adjustment and simple in operation.
Further, be connected with on the dead lever and support the pressure structure, support the pressure structure include with dead lever sliding connection's shift ring, detachable fixedly connected with grip block one and grip block two on the shift ring, threaded connection has the threaded rod on the grip block two, the threaded rod rotates towards the one end in the shift ring centre of a circle and is connected with and supports the pressure disk.
Adjust the shift ring to fracture position department, grip block one and grip block two pass through clamping action and fix on the shift ring, then rotate the threaded rod, the relative grip block two of threaded rod rotation in-process removes through the relative grip block of screw to the drive supports the pressure disk and supports to press to the fracture dislocation and adjust well, and relative manual work supports to press, supports to press the dynamics and adjust the precision better, further reduces the secondary injury condition.
Furthermore, the moving ring is provided with a mounting groove matched with the first clamping hole, and the first clamping block is provided with a groove matched with the moving ring.
Thus, the clamping stability is improved, and the clamping block is prevented from moving in the process of abutting against and aligning.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic top right oblique view of fig. 1.
Fig. 3 is a schematic top left oblique view of fig. 1.
Fig. 4 is a schematic structural diagram of a second embodiment of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the clamping device comprises a far-end ring 1, a near-end ring 2, a first arc-shaped plate 21, a second arc-shaped plate 22, a telescopic assembly 3, a rotating sleeve 31, a fixing rod 32, a rotating ring 4, a rotating gear 33, a first annular rack 40, an anti-skidding part 41, an adjusting ring 5, a second annular rack 50, a worm 51, a rotating seat 12, a polygon prism 53, a connecting plate 55, a pressing bolt 56, a connecting shaft 60, a third arc-shaped plate 61, a fourth arc-shaped plate 62, a moving ring 70, a locking bolt 71, an installing groove 72, a first clamping block 73, a second clamping block 74, a locking sleeve 75, a threaded rod 76 and a pressing disc 77.
The first embodiment is basically as follows:
the utility model provides a fracture lower limbs appearance that restores, as shown in fig. 1, including distal end ring 1 and near end ring 2, be equipped with three flexible subassembly 3 between distal end ring 1 and the near end ring 2, flexible subassembly 3 is including rotating cover 31 and dead lever 32, dead lever 32 and near end ring 2 welding, the dead lever 32 is kept away from near end ring 2's one end and is equipped with the screw thread, rotate the cover 31 cover establish on dead lever 32 and with dead lever 32 threaded connection, it is connected through bearing rotation with distal end ring 1 to rotate the cover 31.
As shown in fig. 2, a rotating ring 4 is rotatably connected to the outer circumferential surface of the distal ring 1, a first annular rack 40 is fixed to the inner wall of the rotating ring 4, which is offset from the position of the distal ring 1, three rotating sleeves 31 are fixedly connected to rotating gears 33, the rotating gears 33 are all engaged with the first annular rack 40, and an anti-slip portion 41 is further fixed to the circumferential surface of the rotating ring 4. By rotating the swivel ring 4, the three rotating sleeves 31 can be rotated together, and the rotating sleeves 31 are rotated relative to the fixed rod 32, so that the distance between the distal end ring 1 and the proximal end ring 2 can be changed.
As shown in fig. 3 and fig. 1, an adjusting ring 5 is rotatably connected to the inner circumferential surface of the distal ring 1, and a second annular rack 50 is fixed to the outer circumferential surface of the adjusting ring 5, which is offset from the position of the distal ring 1. As shown in fig. 3, two rotating seats 12 are welded and fixed on the surface of the distal ring 1 facing away from the proximal ring 2, a worm 51 is rotatably connected to the rotating seats 12, and the worm 51 is meshed with the second annular rack 50. The right end of the worm 51 penetrates through the right rotating seat 12 and then is fixedly connected with a polygon prism 53, and a polygon counter bore is formed in the polygon prism 53, so that the worm 51 can be rotated by using a wrench.
As shown in fig. 3, a fixing sleeve is arranged in the proximal end ring 2, the fixing sleeve includes a first arc plate 21 and a second arc plate 22, the first arc plate 21 and the proximal end ring 2 are fixed through a connecting rod, one end of the second arc plate 22 is hinged to the first arc plate 21, and the other end of the second arc plate 22 and the first arc plate 21 can be locked and fixed through a bolt. Also be equipped with fixed cover in the adjustable ring 5, this fixed cover includes three 61 of arc and four 62 of arc, and the welding of three 61 both ends of arc has connecting axle 60, and connecting axle 60 rotates with adjustable ring 5 to be connected. One end of the fourth arc-shaped plate 62 is hinged with the third arc-shaped plate 61, and the other end of the fourth arc-shaped plate can be locked and fixed with the arc-shaped plate through bolts. A connecting plate 55 is fixed on the adjusting ring 5, a tightening bolt 56 is connected to the connecting plate 55 through threads, and the tightening bolt 56 can abut against the surface of the third arc-shaped plate 61.
When the device is used, the second arc-shaped plate 22 and the fourth arc-shaped plate 62 are firstly opened, the fractured upper limb or lower limb of a patient sequentially passes through the near-end ring 2 and the far-end ring 1 and is placed on the first arc-shaped plate 21 and the third arc-shaped plate 61, the fracture position is positioned between the far-end ring 1 and the near-end ring 2, then the second arc-shaped plate 22 and the fourth arc-shaped plate 62 are respectively locked and fixed with the first arc-shaped plate 21 and the third arc-shaped plate 61 by bolts, and the fixation of the two fixing sleeves with the fracture near center and the fracture far center is realized; meanwhile, the tightening bolt 56 is tightened, so that the tightening bolt 56 tightens the arc third to prevent the third from rotating relative to the adjusting ring 5.
The doctor rotates the swivel 4 with the hand, and the swivel 4 drives three and rotates cover 31 and rotate, makes distal end ring 1 keep away from near-end ring 2 gradually, draws the distal end promptly and keeps away from near-core end to the tractive of bone has been realized. If the bone at the far-end needs angle adjustment, the worm 51 is rotated by a wrench, the worm 51 drives the adjusting ring 5 to slowly rotate relative to the far-end ring 1, and the third arc-shaped plate 61 and the fourth arc-shaped plate 62 rotate along with the adjusting ring 5, so that the adjustment of the bone angle is realized.
If the bone at the far end of the fracture part has dislocation, before the arc-shaped plate IV 62 is fixed, the adjusting ring 5 is rotated to ensure that the connecting shaft 60 is vertical to the dislocation direction of the fracture. The doctor presses the bone at the far end with the hand or the tool, and in the pressing process, the pressing bolt 56 is gradually loosened, so that the three arc-shaped plates 61 can rotate relative to the adjusting ring 5 through the connecting shaft 60, and the doctor can align the bone conveniently through pressing.
Then, the rotating ring 4 is rotated reversely, the distance between the far-end ring 1 and the near-end ring 2 is reduced, and the bone is closed, thereby completing the fracture reduction process.
Example two:
the difference from the first embodiment is that, as shown in fig. 4, a pressing structure is provided on the fixing rod 32, the pressing structure includes a moving ring 70, three through holes are provided on the moving ring, and the fixing rod 32 passes through the through holes and is slidably connected with the through holes. The movable ring 70 is provided with a threaded hole perpendicular to and communicated with the through hole at a position corresponding to the through hole, and the threaded hole is in threaded connection with a locking bolt 71.
Three mounting groove 72 has been seted up on shift ring 70 one end terminal surface, and mounting groove 72 cooperation is connected with grip block one 73, set up on the grip block one 73 with shift ring 70 complex recess, be connected with grip block two 74 on the shift ring 70 other end terminal surface, be fixed with the screw thread post on the grip block two 74, be equipped with the through-hole that supplies the screw thread post to pass on the grip block one 73, threaded connection has lock sleeve 75 after the screw thread post passes this through-hole. The locking sleeve 75 is rotated to clamp the movable ring 70 by the first and second clamping blocks 73 and 74.
Threaded rods 76 are threadedly attached to the clamp blocks, and the threaded rods 76 are disposed parallel to the radius of the shift ring 70. A hand lever perpendicular to the threaded rod 76 is fixed to the upper end of the threaded rod 76, and a pressing plate 77 is rotatably connected to the lower end of the threaded rod 76.
The doctor slides the shift ring 70 along the fixing rod 32 to adjust the position of the fracture, and fixes the position of the shift ring 70 using the locking pin 71. Then, the first clamping block 73 and the second clamping block 74 are installed according to the fracture malposition direction, and the first clamping block 73 and the second clamping block 74 are fixed by using the locking sleeve 75. Then, the threaded rod 76 is rotated by the hand lever, so that the threaded rod 76 drives the pressing plate 77 to move towards the center of the movable ring 70, and the pressing plate 77 presses the dislocated bone to press the bone to align the bone. Compared with the pressing and aligning of the hands of a doctor, the pressing force and the moving distance of the pressed bone are easier to control.
The above are merely examples of the present invention, and common general knowledge of known specific structures and characteristics in the schemes is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a fracture lower limb reduction appearance which characterized in that: the telescopic device comprises a far-end ring and a near-end ring, wherein the far-end ring and the near-end ring are connected through a plurality of telescopic assemblies, and a control structure capable of telescopically adjusting the telescopic assemblies is arranged on the far-end ring; the near-end ring is fixed with a fixed sleeve for fixing limbs, the inner circumferential surface of the far-end ring is rotatably connected with an adjusting ring, the adjusting ring is also connected with the fixed sleeve, and the far-end ring is provided with an adjusting structure which can enable the adjusting ring to rotate relative to the far-end ring.
2. The fracture upper and lower limb reduction instrument according to claim 1, wherein: the telescopic assembly comprises a fixed rod fixed with the near-end ring and a rotating sleeve rotatably connected with the far-end ring, and the fixed rod is in threaded connection with the rotating sleeve; the control structure comprises a rotating ring which is rotationally connected with the far-end ring, an annular rack I is fixed on the rotating ring, and a rotating gear which can be meshed with the annular rack I is fixed on the rotating sleeve.
3. The fracture upper and lower limb reduction instrument according to claim 2, wherein: the adjusting structure comprises a second annular rack fixed with the adjusting ring, and a worm meshed with the second annular rack is rotatably connected to the far-end ring.
4. The fracture upper and lower limb reduction instrument according to claim 3, wherein: the worm is fixed with a polygon prism, and a polygonal counter bore is arranged on the polygon prism in the axial direction.
5. The fracture upper and lower limb reduction instrument according to claim 4, wherein: the fixed sleeve on the adjusting ring is rotationally connected with the adjusting ring.
6. The fracture upper and lower limb reduction instrument according to claim 5, wherein: the fixing sleeve on the near-end ring comprises a first arc-shaped plate and a second arc-shaped plate which are hinged with each other, and the first arc-shaped plate is fixed with the near-end ring; the fixed sleeve on the adjusting ring comprises a third arc plate and a fourth arc plate which are hinged with each other, the third arc plate is fixed with a connecting shaft, and the connecting shaft is rotatably connected with the adjusting ring.
7. The fracture upper and lower limb reduction instrument according to claim 6, wherein: and a locking part is arranged between the adjusting ring and the third arc-shaped plate or the fourth arc-shaped plate.
8. The fracture upper and lower limb reduction instrument of claim 7, wherein: the locking piece comprises a resisting bolt which can be abutted against the third arc plate or the fourth arc plate, the adjusting plate is fixed with a connecting plate, and the resisting bolt is in threaded connection with the connecting plate.
9. A fracture upper and lower limb reduction apparatus according to any one of claims 2-8, wherein: the fixed rod is connected with a pressing structure, the pressing structure comprises a moving ring which is connected with the fixed rod in a sliding mode, a first clamping block and a second clamping block are fixedly connected on the moving ring in a detachable mode, a threaded rod is connected to the second clamping block in a threaded mode, and the threaded rod is connected with a pressing plate in a rotating mode towards one end of the circle center of the moving ring.
10. The fracture upper and lower limb reduction instrument of claim 9, wherein: the moving ring is provided with a mounting groove matched with the first clamping hole, and the first clamping block is provided with a groove matched with the moving ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416554.9A CN111067609A (en) | 2019-12-31 | 2019-12-31 | Fracture upper and lower limb reduction instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911416554.9A CN111067609A (en) | 2019-12-31 | 2019-12-31 | Fracture upper and lower limb reduction instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111067609A true CN111067609A (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911416554.9A Pending CN111067609A (en) | 2019-12-31 | 2019-12-31 | Fracture upper and lower limb reduction instrument |
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| CN (1) | CN111067609A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656493A (en) * | 2020-12-25 | 2021-04-16 | 北京市春立正达医疗器械股份有限公司 | Ilizarov external fixation support |
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| US5458599A (en) * | 1994-04-21 | 1995-10-17 | Adobbati; Ricardo N. | System for the use in the fixation of a fractured bone |
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| US20050015087A1 (en) * | 2002-07-15 | 2005-01-20 | Walulik Stephen B. | Frame assembly for external fixation device and associated method |
| US20100234844A1 (en) * | 2009-03-10 | 2010-09-16 | Stryker Trauma Sa | Exernal fixation system |
| CN107569278A (en) * | 2017-10-25 | 2018-01-12 | 河南中医药大学 | Orthopedic operation assist device |
| CN207412283U (en) * | 2017-03-24 | 2018-05-29 | 重庆医科大学附属永川医院 | Fracture splint |
| CN208081316U (en) * | 2017-07-27 | 2018-11-13 | 新昌县利拓科技有限公司 | A kind of patient's four limbs auxiliary fixing device |
| CN109745106A (en) * | 2019-02-11 | 2019-05-14 | 北京工业大学 | It is a kind of for ankle foot deformity correction determine turn heart external fixator |
| CN109745107A (en) * | 2019-02-11 | 2019-05-14 | 北京工业大学 | A kind of three branch parallel connection external fixators that annular is adjusted |
| CN208892893U (en) * | 2018-05-29 | 2019-05-24 | 常州市中医医院 | A kind of fixed device of fracture patient |
| CN209203470U (en) * | 2018-07-17 | 2019-08-06 | 西安市红会医院 | A kind of bone surgery ancillary equipment |
| CN110584761A (en) * | 2019-09-29 | 2019-12-20 | 淮安市第二人民医院（淮安仁慈医院） | Fracture reduction device |
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2019
- 2019-12-31 CN CN201911416554.9A patent/CN111067609A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5458599A (en) * | 1994-04-21 | 1995-10-17 | Adobbati; Ricardo N. | System for the use in the fixation of a fractured bone |
| CN2300387Y (en) * | 1997-04-28 | 1998-12-16 | 张凤洙 | Multi-function bone orthopaedic appliance |
| US20050015087A1 (en) * | 2002-07-15 | 2005-01-20 | Walulik Stephen B. | Frame assembly for external fixation device and associated method |
| US20100234844A1 (en) * | 2009-03-10 | 2010-09-16 | Stryker Trauma Sa | Exernal fixation system |
| CN207412283U (en) * | 2017-03-24 | 2018-05-29 | 重庆医科大学附属永川医院 | Fracture splint |
| CN208081316U (en) * | 2017-07-27 | 2018-11-13 | 新昌县利拓科技有限公司 | A kind of patient's four limbs auxiliary fixing device |
| CN107569278A (en) * | 2017-10-25 | 2018-01-12 | 河南中医药大学 | Orthopedic operation assist device |
| CN208892893U (en) * | 2018-05-29 | 2019-05-24 | 常州市中医医院 | A kind of fixed device of fracture patient |
| CN209203470U (en) * | 2018-07-17 | 2019-08-06 | 西安市红会医院 | A kind of bone surgery ancillary equipment |
| CN109745106A (en) * | 2019-02-11 | 2019-05-14 | 北京工业大学 | It is a kind of for ankle foot deformity correction determine turn heart external fixator |
| CN109745107A (en) * | 2019-02-11 | 2019-05-14 | 北京工业大学 | A kind of three branch parallel connection external fixators that annular is adjusted |
| CN110584761A (en) * | 2019-09-29 | 2019-12-20 | 淮安市第二人民医院（淮安仁慈医院） | Fracture reduction device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656493A (en) * | 2020-12-25 | 2021-04-16 | 北京市春立正达医疗器械股份有限公司 | Ilizarov external fixation support |
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Application publication date: 20200428 |
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| RJ01 | Rejection of invention patent application after publication |