CN212369067U - Quick traction mechanism of orthopedics - Google Patents
Quick traction mechanism of orthopedics Download PDFInfo
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- CN212369067U CN212369067U CN202022103866.9U CN202022103866U CN212369067U CN 212369067 U CN212369067 U CN 212369067U CN 202022103866 U CN202022103866 U CN 202022103866U CN 212369067 U CN212369067 U CN 212369067U
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Abstract
The utility model relates to a quick drive mechanism of orthopedics belongs to medical instrument technical field. Solves the problem that the traction process in the existing orthopedic surgery is long, which leads to prolonged surgery time. The device comprises a rotation adjusting mechanism, a length adjusting mechanism, a pitching adjusting mechanism and a supporting square tube, wherein the rotation adjusting mechanism is connected with the length adjusting mechanism, the length adjusting mechanism is connected with the pitching adjusting mechanism, and the pitching adjusting mechanism is connected with the supporting square tube. Realizes the preliminary quick adjustment, saves the traction time, improves the operation efficiency, reduces the pain of patients and has simple and convenient operation.
Description
Technical Field
The utility model relates to an orthopedic traction mechanism belongs to medical instrument technical field.
Background
In the orthopedic surgery, after anesthesia is successful, a patient usually adopts a horizontal position or a lateral position when lying on a bed, in the leg fracture surgery, reduction is a very difficult step and an important step, and traction reduction correction operation is often carried out by people and other medical instruments.
The existing orthopedic traction frame needs hand-operated wheel operation for adjusting the traction distance, fine adjustment is needed for each adjustment, the distance of one centimeter needs to be adjusted by shaking for about four circles, the traction process takes too much time, and the operation time is prolonged.
In view of the above problems, it is desirable to provide an orthopedic quick traction mechanism to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick drive mechanism of orthopedics, the utility model discloses research and development is solved and is pull the process time among the current bone surgery long, leads to the problem of operation time extension. A brief summary of the present invention is provided below in order to provide a basic understanding of some aspects of the present invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
The technical scheme of the utility model:
the utility model provides an orthopedics quick drive mechanism, includes rotation adjustment mechanism, length adjustment mechanism, every single move adjustment mechanism and support side's pipe, rotates adjustment mechanism and establishes being connected with length adjustment mechanism, and length adjustment mechanism and every single move adjustment mechanism establish being connected, and every single move adjustment mechanism and support side's pipe establish being connected.
Preferably: the rotation adjusting mechanism comprises a first connecting piece, an installing and connecting seat, a first handle, a traction shoe and a shoe cover, one end of the installing and connecting seat is connected with the traction shoe, the other end of the installing and connecting seat is connected with the first connecting piece, the first handle is in threaded connection with the rotation adjusting mechanism, and the traction shoe is provided with the shoe cover.
Preferably: length adjustment mechanism includes the outer sleeve, the telescopic link, first bush, trapezoidal thread lead screw, the adapter sleeve, the second bush, the hand wheel, second handle and screw, the both ends of outer sleeve respectively with first bush and second bush fixed connection, the outer sleeve suit is in the outside of telescopic link, the outer sleeve passes through first bush and telescopic link sliding connection, the end that stretches out of telescopic link is connected with the adapter sleeve, the second handle passes first connecting piece and adapter sleeve and makes first connecting piece and adapter sleeve be connected, the other end and the screw of telescopic link are connected, trapezoidal thread lead screw passes through first bush and establishes with the outer sleeve and be connected, trapezoidal thread lead screw and screw threaded connection, the right-hand member and the hand wheel connection of trapezoidal thread lead screw.
Preferably: install deep groove ball bearing and thrust bearing on the second bush, trapezoidal thread lead screw passes through deep groove ball bearing and second bush and rotates to be connected, the hand wheel passes through parallel key and trapezoidal thread screw connection, the right-hand member and the cap nut threaded connection of trapezoidal thread lead screw, cap nut compresses tightly the hand wheel between thrust bearing and cap nut, the hand wheel passes through thrust bearing and second bush and rotates to be connected, the adapter sleeve passes through hexagon socket head flat end holding screw and is connected with the telescopic link, first bush and second bush pass through hexagon socket head cap screw and outer bushing connection, the downside of outer sleeve has the sawtooth structure.
Preferably: the pitching adjusting mechanism comprises a chute connecting piece, a control pin, a handle, a compression spring, an expansion pin, a third bushing, an adjustable handle, a cylindrical spiral compression spring, a locking shaft, a second connecting piece and a connecting rod, wherein the chute connecting piece is sleeved outside an outer sleeve, a small cylindrical slideway is arranged on the outer sleeve, the control pin is positioned in the small cylindrical slideway, a through chute is arranged on the control pin, the expansion pin penetrates through the through chute, the expansion pin is positioned in the small cylindrical slideway and is fixedly connected with the small cylindrical slideway, the compression spring is sleeved on the control pin, two ends of the compression spring are respectively connected with the upper end of the control pin and the expansion pin, and the control pin is connected with the handle;
the chute connecting piece is connected with the upper end of the connecting rod, the lower end of the connecting rod is provided with a step through hole, a third bushing is connected with the connecting rod and is coaxially installed with the step through hole, the two ends of a cylindrical spiral compression spring are fixedly connected with the third bushing and the connecting rod, a locking shaft sequentially penetrates through the third bushing, the cylindrical spiral compression spring and the step through hole and is fixedly connected with a second connecting piece, the right end of the locking shaft is provided with threads, and a position-adjustable handle is connected with the locking shaft through threads.
Preferably: the lower end of the second connecting piece is provided with a sleeve, and the second connecting piece is connected with the supporting square pipe through the sleeve.
Preferably: the side face of the sleeve of the second connecting piece is in threaded connection with a third handle, and the second connecting piece and the supporting square tube are fixed through the third handle.
Preferably: the telescopic rod is provided with a long limiting groove, the first bushing is provided with a limiting slide block, and the limiting slide block is arranged in the long limiting groove and is in sliding connection with the telescopic rod through the long limiting groove.
The utility model discloses following beneficial effect has:
1. the first handle is rotated to enable the first handle to tightly push the first connecting piece, so that the length adjusting mechanism and the rotary adjusting mechanism are fixed, the hand wheel is rotated, the hand wheel can control the movement of the screw nut along the direction of the trapezoidal thread screw rod, and the extension and retraction of the telescopic rod are controlled, so that the fine adjustment of the traction position is realized, and the accuracy of the traction position is ensured;
2. the compression spring enables the control pin to tightly press the outer sleeve, the control pin is pulled downwards, the control pin limits the displacement of the control pin under the limiting action of the expansion pin, the control pin is prevented from being separated from the chute connecting piece, the compression spring is compressed, the control pin is separated from the outer sleeve, the hand wheel is pulled, and the hand wheel enables the length adjusting mechanism and the rotation adjusting mechanism to move, so that preliminary quick adjustment is realized, the traction time is saved, the operation efficiency is improved, the pain of a patient is reduced, the control pin is automatically tightly pressed on the outer sleeve when the handle is released, and the operation is simple and convenient;
3. the adjustable handle is rotated to change the connection length of the locking shaft and the adjustable handle, so that the pressing force of the connecting rod and the second connecting piece is reduced, the connecting rod is rotated, the connecting rod drives the length adjusting mechanism to act through the sliding groove connecting piece, angle adjustment is realized, the adjustable handle is loosened after adjustment is completed, the connecting rod and the second connecting piece are automatically compressed and fixed under the action of the cylindrical spiral compression spring, customized adjustment is carried out according to the physical conditions and the illness states of different patients, and a better effect is achieved.
Drawings
FIG. 1 is a front view of an orthopedic quick tow mechanism;
FIG. 2 is a top view of an orthopedic quick distraction mechanism;
FIG. 3 is a cross-sectional view taken at A in FIG. 1;
in the figure, 40-a rotation adjusting mechanism, 7-a first handle, 8-a traction shoe, 9-a shoe cover, 10-a first connecting piece, 31-a mounting and connecting seat, 50-a length adjusting mechanism, 1-an outer sleeve, 2-a telescopic rod, 3-a first bush, 4-a trapezoidal thread screw rod, 5-a connecting sleeve, 11-an inner hexagonal socket head screw, 13-a second bush, 14-a flat key, 15-a cap nut, 16-a deep groove ball bearing, 17-a thrust bearing, 18-a hand wheel, 32-a second handle, 33-a nut, 60-a pitch adjusting mechanism, 12-a chute connecting piece, 19-a control pin, 20-a pull handle, 21-a compression spring, 22-an expansion pin, 23-a third bush and 24-an adjustable handle, 25-cylindrical helical compression spring, 26-locking shaft, 27-second connecting piece, 34-connecting rod, 28-supporting square tube and 35-third handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model discloses the connection that mentions divide into fixed connection and can dismantle the connection, fixed connection (for being undetachable connection) includes but not limited to conventional fixed connection modes such as hem connection, rivet connection, adhesive connection and welded connection, can dismantle the connection including but not limited to conventional dismantlement modes such as threaded connection, buckle connection, pin joint and hinged joint, when not clearly prescribing a limit to concrete connection mode, defaulting always can find at least one kind of connected mode in current connected mode and can realize this function, and the technical staff in the art can select by oneself as required. For example: the fixed connection selects welding connection, and the detachable connection selects hinge connection.
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 3, and the orthopedic quick traction mechanism of the embodiment includes a rotation adjusting mechanism 40, a length adjusting mechanism 50, a pitch adjusting mechanism 60, and a support square tube 28, where the rotation adjusting mechanism 40 is connected to the length adjusting mechanism 50, the length adjusting mechanism 50 is connected to the pitch adjusting mechanism 60, the pitch adjusting mechanism 60 is connected to the support square tube 28, and the support square tube 28 is fixedly connected to other fixing devices such as an operating table.
The second embodiment is as follows: the embodiment is described with reference to fig. 1-2, and the orthopedic quick traction mechanism of the embodiment includes a first connecting member 10, an installation and connection base 31, a first handle 7, a traction shoe 8 and a shoe cover 9, wherein one end of the installation and connection base 31 is connected with the traction shoe 8, the other end of the installation and connection base 31 is connected with the first connecting member 10, the first handle 7 is in threaded connection with the rotation and adjustment mechanism 40, the traction shoe 8 is provided with the shoe cover 9, and a foot is placed in the shoe cover 9 to be fixed.
The third concrete implementation mode: the embodiment is described with reference to fig. 1-2, and the length adjusting mechanism 50 of the embodiment includes an outer sleeve 1, a telescopic rod 2, a first bushing 3, a trapezoidal thread screw rod 4, a connecting sleeve 5, a second bushing 13, a hand wheel 18, a second handle 32 and a nut 33, two ends of the outer sleeve 1 are respectively and fixedly connected with the first bushing 3 and the second bushing 13, the outer sleeve 1 is sleeved outside the telescopic rod 2, the outer sleeve 1 is slidably connected with the telescopic rod 2 through the first bushing 3, an extending end of the telescopic rod 2 is connected with the connecting sleeve 5, the second handle 32 passes through the first connecting piece 10 and the connecting sleeve 5 and fixedly connects the first connecting piece 10 and the connecting sleeve 5, the other end of the telescopic rod 2 is connected with the nut 33, the trapezoidal thread screw rod 4 is connected with the outer sleeve 1 through the first bushing 3, the trapezoidal thread screw rod 4 is in threaded connection with the nut 33, the right-hand member and the hand wheel 18 of trapezoidal thread lead screw 4 are connected, rotatory first handle 7 makes first handle 7 push up first connecting piece 10 tightly to make length adjustment mechanism 50 fixed with rotation adjustment mechanism 40, rotatory hand wheel 18, the motion of the steerable screw 33 of hand wheel 18 along trapezoidal thread lead screw 4 direction, thereby the extension of control telescopic link 2 is withdrawed, thereby realizes the fine setting to the traction position, guarantees the accuracy of traction position.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 and 2, and an orthopedic quick traction mechanism of the embodiment is characterized in that a deep groove ball bearing 16 and a thrust bearing 17 are mounted on a second bushing 13, a trapezoidal thread screw rod 4 is rotatably connected with the second bushing 13 through the deep groove ball bearing 16, a hand wheel 18 is connected with the trapezoidal thread screw rod 4 through a flat key 14, the right end of the trapezoidal thread screw rod 4 is in threaded connection with a cap nut 15, the cap nut 15 presses the hand wheel 18 between the thrust bearing 17 and the cap nut 15, the hand wheel 18 is rotatably connected with the second bushing 13 through the thrust bearing 17, a connecting sleeve 5 is connected with a telescopic rod 2 through an inner hexagonal flat end fastening screw 6, the first bushing 3 and the second bushing 13 are connected with an outer sleeve 1 through an inner hexagonal cylindrical head screw 11, the lower side surface of the outer sleeve 1 has a sawtooth structure to prevent the outer sleeve 1 from sliding relative to a chute connecting piece 12 during fine adjustment, thereby affecting the fine tuning effect.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 3, and the orthopedic quick traction mechanism of the embodiment includes a sliding groove connecting member 12, a control pin 19, a handle 20, a compression spring 21, an expansion pin 22, a third bushing 23, an adjustable handle 24, a cylindrical helical compression spring 25, a locking shaft 26, a second connecting member 27 and a connecting rod 34, wherein the sliding groove connecting member 12 is sleeved outside the outer sleeve 1, the outer sleeve 1 has a small cylindrical slideway, the control pin 19 is located in the small cylindrical slideway, the control pin 19 has a through sliding groove, the expansion pin 22 passes through the through sliding groove, the expansion pin 22 is located in the small cylindrical slideway and is fixedly connected with the small cylindrical slideway, the control pin 19 is sleeved with the compression spring 21, two ends of the compression spring 21 are respectively connected with the upper end of the control pin 19 and the expansion pin 22, the compression spring 21 causes the control pin 19 to press the outer sleeve 1, the control pin 19 is connected with the handle 20, the control pin 19 is pulled downwards, the control pin 19 limits the displacement under the limiting action of the expansion pin 22, the control pin 19 is prevented from being separated from the chute connecting piece 12, the compression spring 21 is compressed, the control pin 19 is separated from the outer sleeve 1, the hand wheel 18 is pulled, and the hand wheel 18 enables the length adjusting mechanism 50 and the rotation adjusting mechanism 40 to move, so that preliminary quick adjustment is realized, the traction time is saved, the operation efficiency is improved, the pain of a patient is reduced, when the handle 20 is released, the control pin 19 automatically compresses the outer sleeve 1, and the pitch adjusting mechanism 60 and the length adjusting mechanism 50 are fixed;
the chute connecting piece 12 is connected with the upper end of a connecting rod 34, the lower end of the connecting rod 34 is provided with a step through hole, a third bush 23 is connected with the connecting rod 34 and coaxially installed with the step through hole, two ends of a cylindrical spiral compression spring 25 are fixedly connected with the third bush 23 and the connecting rod 34, a locking shaft 26 sequentially penetrates through the third bush 23, the cylindrical spiral compression spring 25 and the step through hole and is fixedly connected with a second connecting piece 27, the right end of the locking shaft 26 is provided with a thread, an adjustable handle 24 is fixedly connected with the third bush 23, the adjustable handle 24 is in threaded connection with the locking shaft 26 through the thread, the adjustable handle 24 is rotated to change the connecting length of the locking shaft 26 and the adjustable handle 24, so that the pressing force of the connecting rod 34 and the second connecting piece 27 is reduced, the connecting rod 34 is rotated, the connecting rod 34 drives a length adjusting mechanism 50 to act, after the adjustment is completed, the adjustable handle 24 is loosened, the connecting rod 34 and the second connecting piece 27 are automatically compressed and fixed under the action of the cylindrical helical compression spring 25, and the adjustment is customized according to the physical conditions and the illness states of different patients so as to achieve a better effect.
The sixth specific implementation mode: referring to fig. 1 and 3, the embodiment is described, and the orthopedic quick traction mechanism of the embodiment has a sleeve at the lower end of the second connecting member 27, and the second connecting member 27 and the support square tube 28 are connected through the sleeve.
The seventh embodiment: the embodiment is described with reference to fig. 1 to fig. 3, and according to the orthopedic quick traction mechanism of the embodiment, a third handle 35 is connected to a side surface of a sleeve of the second connecting member 27 through a thread, the second connecting member 27 and the supporting square tube 28 are fixed by the third handle 35, and the supporting square tube 28 can be separated from other parts of the device by rotating the third handle 35, so that the orthopedic quick traction mechanism is convenient to install and detach.
The specific implementation mode is eight: the embodiment is described with reference to fig. 1 to 2, and the orthopedic quick traction mechanism of the embodiment is characterized in that a long limiting groove is processed on the telescopic rod 2, the first bushing 3 has a limiting slide block, the limiting slide block is arranged in the long limiting groove and is in sliding connection with the telescopic rod 2 through the long limiting groove, so that the nut 33 and the telescopic rod 2 are prevented from deflecting in the movement process, the foot of a patient is prevented from being subjected to screwing force, the accurate traction correction position is ensured, and the pain of the patient in the traction process is reduced.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.
This embodiment is only illustrative of the patent and does not limit the scope of protection thereof, and those skilled in the art can make modifications to its part without departing from the spirit of the patent.
Claims (8)
1. The utility model provides a quick traction mechanism of orthopedics which characterized in that: the adjustable pitch device comprises a rotating adjusting mechanism (40), a length adjusting mechanism (50), a pitch adjusting mechanism (60) and a supporting square pipe (28), wherein the rotating adjusting mechanism (40) is connected with the length adjusting mechanism (50), the length adjusting mechanism (50) is connected with the pitch adjusting mechanism (60), and the pitch adjusting mechanism (60) is connected with the supporting square pipe (28).
2. An orthopedic quick distraction mechanism according to claim 1, further comprising: the rotation adjusting mechanism (40) comprises a first connecting piece (10), an installing and connecting seat (31), a first handle (7), a traction shoe (8) and a shoe cover (9), one end of the installing and connecting seat (31) is connected with the traction shoe (8), the other end of the installing and connecting seat (31) is connected with the first connecting piece (10), the first handle (7) is in threaded connection with the rotation adjusting mechanism (40), and the traction shoe (8) is provided with the shoe cover (9).
3. An orthopedic quick distraction mechanism according to claim 2, further comprising: the length adjusting mechanism (50) comprises an outer sleeve (1), a telescopic rod (2), a first bushing (3), a trapezoidal thread lead screw (4), a connecting sleeve (5), a second bushing (13), a hand wheel (18), a second handle (32) and a nut (33), wherein two ends of the outer sleeve (1) are respectively fixedly connected with the first bushing (3) and the second bushing (13), the outer sleeve (1) is sleeved on the outer side of the telescopic rod (2), the outer sleeve (1) is slidably connected with the telescopic rod (2) through the first bushing (3), the extending end of the telescopic rod (2) is connected with the connecting sleeve (5), the second handle (32) penetrates through the first connecting piece (10) and the connecting sleeve (5) to enable the first connecting piece (10) to be connected with the connecting sleeve (5), the other end of the telescopic rod (2) is connected with the nut (33), the trapezoidal thread lead screw (4) is connected with the outer sleeve (1) through the first bushing (3), the trapezoidal thread screw rod (4) is in threaded connection with the screw nut (33), and the right end of the trapezoidal thread screw rod (4) is connected with the hand wheel (18).
4. An orthopedic quick distraction mechanism according to claim 3, wherein: install deep groove ball bearing (16) and thrust bearing (17) on second bush (13), trapezoidal thread lead screw (4) are rotated with second bush (13) through deep groove ball bearing (16) and are connected, hand wheel (18) are connected with trapezoidal thread lead screw (4) through parallel key (14), the right-hand member and the nut that covers (15) threaded connection of trapezoidal thread lead screw (4), nut that covers (15) compress tightly hand wheel (18) between thrust bearing (17) and nut that covers (15), hand wheel (18) are rotated with second bush (13) through thrust bearing (17) and are connected, adapter sleeve (5) are connected with telescopic link (2) through interior hexagonal flat end holding screw (6), first bush (3) and second bush (13) are connected with outer sleeve (1) through interior hexagonal cylinder head screw (11), the downside of outer sleeve (1) has the sawtooth structure.
5. An orthopedic quick distraction mechanism according to claim 3 or 4, wherein: the pitching adjusting mechanism (60) comprises a chute connecting piece (12), a control pin (19), a handle (20), a compression spring (21), an expansion pin (22), a third bushing (23), an adjustable handle (24), a cylindrical spiral compression spring (25), a locking shaft (26), a second connecting piece (27) and a connecting rod (34), wherein the chute connecting piece (12) is sleeved outside the outer sleeve (1), the outer sleeve (1) is provided with a small cylindrical slideway, the control pin (19) is positioned in the small cylindrical slideway, the control pin (19) is provided with a through chute, the expansion pin (22) penetrates through the through chute, the expansion pin (22) is positioned in the small cylindrical slideway and is fixedly connected with the small cylindrical slideway, the control pin (19) is sleeved with the compression spring (21), and two ends of the compression spring (21) are respectively connected with the upper end of the control pin (19) and the expansion pin (22), the control pin (19) is connected with the handle (20);
chute connection spare (12) is connected with connecting rod (34) upper end, connecting rod (34) lower extreme has the ladder through-hole, third bush (23) are connected with connecting rod (34) and with the coaxial installation of ladder through-hole, cylinder spiral compression spring (25) both ends fixed connection third bush (23) and connecting rod (34), third bush (23) are passed in proper order in locking axle (26), cylinder spiral compression spring (25) and ladder through-hole and with second connecting piece (27) fixed connection, the right-hand member of locking axle (26) has the screw thread, but positioning adjusting handle (24) pass through screw thread and locking axle (26) threaded connection.
6. An orthopedic quick distraction mechanism according to claim 5, wherein: the lower end of the second connecting piece (27) is provided with a sleeve, and the second connecting piece (27) is connected with the support square pipe (28) through the sleeve.
7. An orthopedic quick distraction mechanism according to claim 6, wherein: the sleeve side of the second connecting piece (27) is in threaded connection with a third handle (35), and the second connecting piece (27) and the supporting square pipe (28) are fixed through the third handle (35).
8. An orthopedic quick distraction mechanism according to any of claims 6-7, wherein: the telescopic rod (2) is provided with a long limiting groove, the first bushing (3) is provided with a limiting slide block, and the limiting slide block is arranged in the long limiting groove and is connected with the telescopic rod (2) in a sliding mode through the long limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103866.9U CN212369067U (en) | 2020-09-23 | 2020-09-23 | Quick traction mechanism of orthopedics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022103866.9U CN212369067U (en) | 2020-09-23 | 2020-09-23 | Quick traction mechanism of orthopedics |
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| CN212369067U true CN212369067U (en) | 2021-01-19 |
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| CN202022103866.9U Active CN212369067U (en) | 2020-09-23 | 2020-09-23 | Quick traction mechanism of orthopedics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956317A (en) * | 2020-09-23 | 2020-11-20 | 哈尔滨市华锡尔医疗器械有限公司 | Quick traction mechanism of orthopedics |
| CN114617624A (en) * | 2022-03-09 | 2022-06-14 | 四川大学华西医院 | Lifting reduction auxiliary device for femoral shaft fracture operation |
-
2020
- 2020-09-23 CN CN202022103866.9U patent/CN212369067U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111956317A (en) * | 2020-09-23 | 2020-11-20 | 哈尔滨市华锡尔医疗器械有限公司 | Quick traction mechanism of orthopedics |
| CN114617624A (en) * | 2022-03-09 | 2022-06-14 | 四川大学华西医院 | Lifting reduction auxiliary device for femoral shaft fracture operation |
| CN114617624B (en) * | 2022-03-09 | 2023-05-23 | 四川大学华西医院 | Lifting and resetting auxiliary device for femoral shaft fracture operation |
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