CN213156106U

CN213156106U - Shoulder arthroscope operation traction frame

Info

Publication number: CN213156106U
Application number: CN202020821781.1U
Authority: CN
Inventors: 殷素萍; 王鑫卫
Original assignee: Shaoxing Hospital of Traditional Chinese Medicine
Current assignee: Shaoxing Hospital of Traditional Chinese Medicine
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-05-11
Anticipated expiration: 2030-05-18

Abstract

A shoulder arthroscopy operation traction frame belongs to the technical field of orthopedic medical instruments. The utility model discloses a supporting legs, first bracing piece, the second bracing piece, the draft arm, hinged assembly, wire rope and gyro wheel, first bracing piece fixed mounting is on the top of supporting legs, insert in the first bracing piece bottom of second bracing piece, the both ends of draft arm are equipped with first wire rope handling hole and second wire rope handling hole respectively, be connected with the couple after wire rope's one end passes first wire rope handling hole, wire rope's the other end passes the second wire rope handling hole, and extend to outside the draft arm, sliding connection has the sliding sleeve on the draft arm, the bottom of sliding sleeve is equipped with the stay tube, the stay tube links to each other with the second bracing piece through hinged assembly. The utility model has the advantages of ingenious structure and simple operation, can ensure that the arm of the patient is always in a lifting state, and is convenient for shoulder arthroscopy operation; through the cooperation of articulated piece of first articulated piece, the articulated piece of second, second handle, second screw rod and second nut, can adjust the inclination of trailing arm.

Description

Shoulder arthroscope operation traction frame

Technical Field

The utility model belongs to the technical field of orthopedics medical instrument, specifically relate to a shoulder arthroscope operation traction frame.

Background

The shoulder joint is the joint with the largest whole body mobility, the anatomical structure of the shoulder joint belongs to a ball-and-socket structure, and the instability of the shoulder joint is determined by the special structure of the shoulder joint. Along with the change of life style of human, more and more people participate in sports, and various shoulder joint sports injuries gradually become important diseases affecting the life quality and the sports ability of people.

In nearly 10 years, arthroscopic technology and equipment in China have been developed greatly, and international synchronization is realized; among them, the shoulder arthroscope technique is the first choice for doctors to diagnose and treat shoulder arthrosis due to the advantages of small trauma, light tissue adhesion degree, fast postoperative recovery, etc. The shoulder arthroscope technology has the advantages that the shoulder subacromial bursa, glenohumeral joint and adjacent structures can be directly observed by utilizing a tiny incision, then the targeted treatment is carried out on pathological changes, the postoperative pain is light, the complication is few, the rehabilitation is rapid, the patient can recover the activity early, and the shoulder arthroscope is popular among specialists and patients.

In lateral recumbency, constant traction of the shoulder joint is critical. Traction can fully expose the operation visual field, can keep the tension on soft tissues and reduce the swelling caused by joint cavity irrigation after operation. However, the shoulder joint traction device on the market at present has the problem of being relatively complicated to operate.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a shoulder arthroscope operation traction frame.

The above technical problem of the present invention can be solved by the following technical solutions: a shoulder arthroscope surgery traction frame comprises supporting legs, a first supporting rod, a second supporting rod, a traction arm, a hinge assembly, a steel wire rope and a roller wheel, wherein the first supporting rod is of a hollow structure, the first supporting rod is fixedly installed at the top end of the supporting legs, the bottom of the second supporting rod is inserted into the first supporting rod, the bottom of the second supporting rod is connected with the inner wall of the first supporting rod in a sliding mode, a first rope penetrating hole and a second rope penetrating hole are formed in two ends of the traction arm respectively, a hook is connected to one end of the steel wire rope after penetrating through the first rope penetrating hole, the other end of the steel wire rope penetrates through the second rope penetrating hole and extends out of the traction arm, a sliding sleeve is connected onto the traction arm in a sliding mode, a first through hole is formed in the side wall of the sliding sleeve, a first nut is arranged on the side wall of the sliding sleeve, and is in threaded connection with a first screw rod, one end of the first screw rod is connected with a first handle, the other end of the first screw rod is abutted to the traction arm after penetrating through the first through hole, a supporting tube is arranged at the bottom end of the sliding sleeve and is connected with the second supporting rod through a hinge assembly, and the roller is fixedly installed at the bottom end of the supporting leg.

Preferably, a guide block is arranged at the top end of the traction arm between the first rope threading hole and the second rope threading hole, a guide groove is formed in the guide block, and the steel wire rope is in sliding connection with the guide groove.

Preferably, the hinge assembly comprises a first hinge block, a second nut and a second screw rod, the first hinge block is fixedly mounted at the bottom end of the supporting tube, first insections are arranged on the surface, facing the second hinge block, of the first hinge block, the second hinge block is fixedly mounted at the top end of the second supporting rod, second insections are arranged on the surface, facing the first hinge block, of the second hinge block, the second insections are meshed with the first insections, second through holes are formed in the first hinge block and the second hinge block, one end of the second screw rod is connected with a second handle, the other end of the second screw rod penetrates through the second through hole and then is in threaded connection with the second nut, and the first hinge block is abutted to the second hinge block through threaded connection matching of the second screw rod and the second nut.

Preferably, the second support rod comprises a first connecting part and a second connecting part, the outer diameter of the first connecting part is larger than that of the second connecting part, the top end of the first connecting part is connected with the second hinge block, and the second connecting part is inserted into the first support rod.

As preferred, the couple is including couple body, dog and the pivot that is the S-shaped, the upper end of couple body is equipped with hook-like portion, hook-like portion links to each other with wire rope, the lower extreme of couple body is equipped with hook-like portion down, the both sides of couple body all are equipped with first recess, the cell wall of connecting first recess is rotated respectively at the both ends of pivot, the one end of dog stretches into in the first recess, the pivot is established to the pot head of dog to the rotation connection pivot, the one end of dog is equipped with the second recess, the cover is equipped with the torsional spring in the pivot, the tank bottom of the first recess of one end butt of torsional spring, the tank bottom of the other end butt second recess of torsional spring, the other end of dog butts respectively under the spring action of torsional spring and goes up hook-like portion and hook mouth medial surface of hook-like portion down.

The utility model discloses beneficial effect who has: the utility model discloses the structure is ingenious, and easy operation can guarantee that patient's arm is in the state of lifting up all the time, is convenient for carry out shoulder arthroscope operation. In the utility model, the inclination angle of the traction arm can be adjusted through the matching of the first hinging block, the second handle, the second screw and the second nut; the first screw, the first nut and the first handle are matched, so that the fixed connection of the sliding sleeve and the traction arm can be realized, the height of the traction arm is adjusted by changing the position of the sliding sleeve on the traction arm, the height of the hook is adjusted, and the adjustment of the lifting height of the arm of a patient is realized; utilize the detachable connected mode of adopting between first bracing piece and the second bracing piece, can realize quick installation and the dismantlement between second bracing piece and the operation bedstead, utilize supporting legs, first bracing piece and gyro wheel to cooperate, the transfer of the traction frame of being convenient for alleviates postoperative medical personnel's intensity of labour, has realized neatly simultaneously and has stacked.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the draft arm of the present invention;

fig. 3 is a schematic structural view of the sliding sleeve of the present invention;

FIG. 4 is a schematic view of a connection structure of the sliding sleeve and the traction arm according to the present invention;

fig. 5 is a schematic structural view of the hinge assembly of the present invention;

fig. 6 is a schematic view of a connection structure of the second support bar and the first support bar of the present invention;

fig. 7 is a schematic structural view of the support leg of the present invention;

FIG. 8 is a schematic view of a hook according to the present invention;

fig. 9 is a state diagram of the present invention;

fig. 10 is another usage state diagram of the present invention.

In the figure: 1. supporting legs; 2. a first support bar; 3. a second support bar; 4. a traction arm; 5. a hinge assembly; 6. a wire rope; 7. a roller; 8. a first stringing hole; 9. a second stringing hole; 10. hooking; 11. a sliding sleeve; 12. a first through hole; 13. a first nut; 14. a first screw; 15. a first handle; 16. supporting a tube; 17. a guide block; 18. a guide groove; 19. a first hinge block; 20. a second hinge block; 21. a second nut; 22. a second screw; 23. a first insection; 24. A second insection; 25. a second through hole; 26. a second handle; 27. a first connection portion; 28. a second connecting portion; 29. a hook body; 30. a stopper; 31. a rotating shaft; 32. an upper hook portion; 33. a lower hook portion; 34. a first groove; 35. a second groove; 36. a torsion spring; 37. a weight; 38. a traction belt; 39. a U-shaped clamping plate; 40. a sleeve; 41. a locking nut; 42. An operation bed frame.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a shoulder arthroscope operation traction frame is shown in figures 1-8 and comprises a supporting leg 1, a first supporting rod 2, a second supporting rod 3, a traction arm 4, a hinge assembly 5, a steel wire rope 6 and a roller 7, wherein the first supporting rod 2 is of a hollow structure, the first supporting rod 2 is fixedly installed at the top end of the supporting leg 1, the second supporting rod 3 is detachably connected with the first supporting rod 2, the bottom of the second supporting rod 3 is inserted into the first supporting rod 2, the bottom of the second supporting rod 3 is slidably connected with the inner wall of the first supporting rod 2, two ends of the traction arm 4 are respectively provided with a first rope penetrating hole 8 and a second rope penetrating hole 9, one end of the steel wire rope 6 penetrates through the first rope penetrating hole 8 and then is connected with a hook 10, the hook 10 is used for connecting a traction belt 38, the other end of the steel wire rope 6 penetrates through the second rope penetrating hole 9, and extend to outside the draft arm 4, sliding connection has a sliding sleeve 11 on the draft arm 4, first through-hole 12 has been seted up on the lateral wall of sliding sleeve 11, first through-hole 12 is in be equipped with first nut 13 on the lateral wall of sliding sleeve 11, first nut 13 threaded connection has first screw rod 14, the one end of first screw rod 14 is connected with first handle 15, butt draft arm 4 is passed behind first through-hole 12 to the other end of first screw rod 14, the bottom of sliding sleeve 11 is equipped with stay tube 16, stay tube 16 links to each other with second bracing piece 3 through articulated subassembly 5, gyro wheel 7 fixed mounting is in the bottom of supporting legs 1. The first screw 14, the first nut 13 and the first handle 15 are matched, so that the sliding sleeve 11 and the traction arm 4 can be fixedly connected; the height of the draft arm 4 is adjusted by changing the position of the sliding sleeve 11 on the draft arm 4.

A guide block 17 is arranged at the top end of the traction arm 4 between the first rope threading hole 8 and the second rope threading hole 9, a guide groove 18 is formed in the guide block 17, the steel wire rope 6 is in sliding connection with the guide groove 18, and the guide groove 18 plays a role in guiding the steel wire rope 6, so that the steel wire rope 6 is prevented from being separated from the guide block 17 in the sliding process.

The hinge assembly 5 comprises a first hinge block 19, a second hinge block 20, a second nut 21 and a second screw 22, the first hinge block 19 is fixedly arranged at the bottom end of the support tube 16, and the surface of the first hinging block 19 facing the second hinging block 20 is provided with a first insection 23, the second hinging block 20 is fixedly arranged at the top end of the second supporting rod 3, and the surface of the second hinge block 20 facing the first hinge block 19 is provided with a second insection 24, the second insection 24 is engaged with the first insection 23, the first hinge block 19 and the second hinge block 20 are both provided with a second through hole 25, one end of the second screw 22 is connected with a second handle 26, the other end of the second screw 22 passes through the second through hole 25 and then is screwed with the second nut 21, the first hinge block 19 abuts the second hinge block 20 by the threaded engagement of the second screw 22 and the second nut 21. The inclination angle of the towing arm 4 can be adjusted by the cooperation of the first hinge block 19, the second hinge block 20, the second handle 26, the second screw 22 and the second nut 21.

The second support rod 3 comprises a first connecting portion 27 and a second connecting portion 28, the bottom of the first connecting portion 27 is subjected to necking treatment to form the second connecting portion 28, the outer diameter of the first connecting portion 27 is larger than that of the second connecting portion 28, the top end of the first connecting portion 27 is connected with the second hinge block 20, and the second connecting portion 28 is inserted into the first support rod 2.

The hook 10 comprises an S-shaped hook body 29, a stop block 30 and a rotating shaft 31, an upper hook-shaped part 32 is arranged at the upper end of the hook body 29, the upper hook-shaped part 32 is connected with the steel wire rope 6, the lower end of the hook body 29 is provided with a lower hook-shaped part 33, the lower hook-shaped part 33 is connected with a traction belt 38, both sides of the hook body 29 are provided with first grooves 34, the two ends of the rotating shaft 31 are respectively and rotatably connected with the groove walls of the first groove 34, one end of the stop block 30 extends into the first groove 34, one end of the stop block 30 is sleeved with the rotating shaft 31, and is rotatably connected with a rotating shaft 31, one end of the stopper 30 is provided with a second groove 35, the rotating shaft 31 is sleeved with a torsion spring 36, one end of the torsion spring 36 is abutted against the groove bottom of the first groove 34, the other end of the torsion spring 36 is abutted against the groove bottom of the second groove 35, the other end of the stopper 30 abuts against the inner side surfaces of the hook mouths of the upper hook-shaped portion 32 and the lower hook-shaped portion 33 respectively under the elastic force of the torsion spring 36. By means of the cooperation of the stopper 30, the rotating shaft 31 and the torsion spring 36, not only the separation of the wire rope 6 from the upper hook portion 32 but also the separation of the traction belt 38 from the lower hook portion 33 can be prevented.

Fig. 9 shows a state of use of the traction frame. In use, the second support bar 3 is lifted upwards to separate the second support bar 3 from the first support bar 2, and then the second support bar 3 is inserted into the fixing mechanism of the operating bed frame 42. The fixing mechanism comprises a U-shaped clamping plate 39, a sleeve 40 and a locking nut 41, wherein the sleeve 40 is fixedly arranged on the U-shaped clamping plate 39, the U-shaped clamping plate 39 is clamped into an operation bed frame 42, the locking nut 41 is in threaded connection with the U-shaped clamping plate 39, the end part of the locking nut 41 is abutted against the operation bed frame 42, and the U-shaped clamping plate 39 and the operation bed frame 42 are fixed through the locking nut 41. The medical staff places the patient on the operation bed frame 42 in a lateral position, ties the traction belt 38 to the arm of the patient on the side not in contact with the operation bed frame 42, connects the end of the traction belt 38 to the lower hook 33 of the hook 10, and then adjusts the inclination angle of the traction arm 4; after the adjustment is completed, the other end of the steel wire rope 6 is hung with a weight 37, the steel wire rope 6 is pulled to lift the arm of the patient, and the height of the traction arm 4 is adjusted by changing the position of the sliding sleeve 11, so that the height of the arm of the patient is adjusted. The weight 37 may be obtained from local sources, such as a large volume bag used in surgery.

Fig. 10 shows another state of use of the traction frame. The traction frame is directly moved to the operation bed frame 42 for use through the rollers 7.

To sum up, the utility model discloses the structure is ingenious, and easy operation can guarantee that patient's arm is in the state of lifting up all the time, is convenient for carry out shoulder arthroscope operation. In the utility model, the inclination angle of the traction arm can be adjusted through the matching of the first hinging block, the second handle, the second screw and the second nut; the first screw, the first nut and the first handle are matched, so that the fixed connection of the sliding sleeve and the traction arm can be realized, the height of the traction arm is adjusted by changing the position of the sliding sleeve on the traction arm, the height of the hook is adjusted, and the adjustment of the lifting height of the arm of a patient is realized; utilize the detachable connected mode of adopting between first bracing piece and the second bracing piece, can realize quick installation and the dismantlement between second bracing piece and the operation bedstead, utilize supporting legs, first bracing piece and gyro wheel to cooperate, the transfer of the traction frame of being convenient for alleviates postoperative medical personnel's intensity of labour, has realized neatly simultaneously and has stacked.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A shoulder arthroscopy operation traction frame comprises support legs, a first support rod, a second support rod, a traction arm, a hinge assembly, a steel wire rope and a roller wheel, and is characterized in that the first support rod is of a hollow structure, the first support rod is fixedly installed at the top end of the support legs, the bottom of the second support rod is inserted into the first support rod, the bottom of the second support rod is connected with the inner wall of the first support rod in a sliding manner, a first rope penetrating hole and a second rope penetrating hole are respectively formed in two ends of the traction arm, a hook is connected to one end of the steel wire rope after penetrating through the first rope penetrating hole, the other end of the steel wire rope penetrates through the second rope penetrating hole and extends out of the traction arm, a sliding sleeve is connected onto the traction arm in a sliding manner, a first through hole is formed in the side wall of the sliding sleeve, a first nut is arranged on the side wall of the sliding sleeve, and is in threaded connection with a first screw, one end of the first screw rod is connected with a first handle, the other end of the first screw rod is abutted to the traction arm after penetrating through the first through hole, a supporting tube is arranged at the bottom end of the sliding sleeve and is connected with the second supporting rod through a hinge assembly, and the roller is fixedly installed at the bottom end of the supporting leg.

2. The traction frame for shoulder arthroscopic surgery according to claim 1, wherein a guide block is arranged at the top end of the traction arm between the first rope threading hole and the second rope threading hole, a guide groove is arranged on the guide block, and the steel wire rope is slidably connected with the guide groove.

3. The shoulder arthroscopic surgical traction frame according to claim 1, wherein the hinge assembly comprises a first hinge block, a second nut and a second screw rod, the first hinge block is fixedly arranged at the bottom end of the support tube, the surface of the first hinging block facing the second hinging block is provided with first insections, the second hinging block is fixedly arranged at the top end of the second supporting rod, and the surface of the second hinging block facing the first hinging block is provided with a second insection which is meshed with the first insection, the first hinging block and the second hinging block are both provided with second through holes, one end of the second screw rod is connected with a second handle, the other end of the second screw rod penetrates through the second through hole and then is in threaded connection with a second nut, and the first hinge block is abutted to the second hinge block through threaded connection matching of the second screw rod and the second nut.

4. The shoulder arthroscopic surgical traction frame according to claim 3, wherein the second support bar comprises a first connecting part and a second connecting part, the outer diameter of the first connecting part is larger than that of the second connecting part, the top end of the first connecting part is connected with the second hinge block, and the second connecting part is inserted into the first support bar.

5. The traction frame for shoulder arthroscopic surgery as claimed in claim 1, wherein the hook comprises an S-shaped hook body, a stop block and a rotating shaft, the upper end of the hook body is provided with an upper hook-shaped part which is connected with the steel wire rope, the lower end of the hook body is provided with a lower hook-shaped part, the two sides of the hook body are respectively provided with a first groove, the two ends of the rotating shaft are respectively and rotatably connected with the groove wall of the first groove, one end of the stop block extends into the first groove, one end of the stop block is sleeved with the rotating shaft, and is rotatably connected with a rotating shaft, one end of the stop block is provided with a second groove, the rotating shaft is sleeved with a torsional spring, one end of the torsion spring is abutted against the groove bottom of the first groove, the other end of the torsion spring is abutted against the groove bottom of the second groove, the other end of the stop block is respectively abutted against the inner side surfaces of the hook mouths of the upper hook-shaped part and the lower hook-shaped part under the elastic action of the torsion spring.