CN114391905B

CN114391905B - Incision opening device for orthopedic surgery

Info

Publication number: CN114391905B
Application number: CN202210192488.7A
Authority: CN
Inventors: 王文华; 侯朝华; 郭旺旺; 尚凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2023-08-22
Anticipated expiration: 2042-03-01
Also published as: CN114391905A

Abstract

The invention discloses an incision opening device for orthopedic surgery, which comprises: the base is internally provided with a containing cavity, and the side wall of the base is provided with a side connecting groove communicated with the containing cavity; the adjusting threaded rod is rotationally connected in the accommodating cavity, two adjusting nuts are connected to the adjusting threaded rod in a threaded manner, and the threads of the two adjusting nuts are opposite in screwing direction; the transverse shaft is supported, and each adjusting nut is rotatably connected with the transverse shaft through a rotating shaft; the supporting rods are connected with a plurality of supporting rods on each supporting transverse shaft, and the supporting rods are sequentially arranged along the length direction of the supporting transverse shafts; the first limiting device can limit the position of the rotating shaft and limit the stretching transverse shaft in an unfolding or folding state. The invention can assist doctors to prop open the operation incision.

Description

Incision opening device for orthopedic surgery

Technical Field

The invention belongs to the technical field of a spreader, and particularly relates to an incision spreader for orthopedic surgery.

Background

Orthopedics, also known as orthopedics, is a specialty or discipline of medicine that specializes in the dissection, physiology and pathology of the skeletal muscle system, uses pharmaceutical, surgical and physical methods to maintain and develop the normal morphology and function of the system, and treats injuries to the system. With the development and progress of science and technology, orthopedics has greatly progressed in diagnosis and treatment.

The spreader is often used in the orthopedic operation in the hospital to realize the opening of the operation field, thereby ensuring the smooth operation, and the spreading device is needed to assist the spreading because the bone surface ligament and the muscle are plump and the spreading is needed to be very forceful.

Disclosure of Invention

The invention aims to provide an orthopedic operation incision expanding device which can assist doctors to expand an operation incision.

In order to achieve the above purpose, the present invention provides the following technical solutions: an orthopedic incision distraction device, comprising:

the base is internally provided with a containing cavity, and the side wall of the base is provided with a side connecting groove communicated with the containing cavity;

the adjusting threaded rod is rotationally connected in the accommodating cavity, two adjusting nuts are connected to the adjusting threaded rod in a threaded manner, and the threads of the two adjusting nuts are opposite in screwing direction;

the transverse shaft is supported, and each adjusting nut is rotatably connected with the transverse shaft through a rotating shaft;

the supporting rods are connected with a plurality of supporting rods on each supporting transverse shaft, and the supporting rods are sequentially arranged along the length direction of the supporting transverse shafts;

the first limiting device can limit the position of the rotating shaft and limit the stretching transverse shaft in an unfolding or folding state.

Further, the first limiting device includes:

the fixed block is fixed on the outer wall of the base and provided with a telescopic groove;

the telescopic rod penetrates through the telescopic groove, the moving direction of the telescopic rod and the telescopic groove is perpendicular to the adjusting moving direction, and a fixed connecting plate is fixed at the bottom end of the telescopic rod;

the limiting spring is sleeved on the telescopic rod and arranged between the fixed block and the fixed connecting plate;

the support cross rod is fixed at one end of the telescopic rod far away from the fixed plate;

the sliding lantern ring is sleeved on the supporting cross rod, two sliding lantern rings corresponding to the rotating shafts one to one are sleeved on the supporting cross rod, the sliding lantern ring can transversely move relative to the supporting cross rod, and limiting grooves for plugging the corresponding sliding lantern rings are formed in each rotating shaft.

Further, prop up and connect through second stop device between pole and the strut cross axle, second stop device includes:

the first connecting semi-ring is fixed on the opening rod, the two ends of the first connecting semi-ring are both fixed with first connecting blocks, the first connecting blocks are both fixed with fixed shafts, and one ends of the fixed shafts, which are far away from the first connecting blocks, are fixed with fixed plates;

the two ends of the second connecting semi-ring are respectively fixed with a second connecting block, the two second connecting blocks are in one-to-one correspondence with the two fixed shafts, and the second connecting blocks are provided with second through holes for the corresponding fixed shafts to pass through;

the reset springs are sleeved on each fixed shaft and are arranged between the fixed plates and the second connecting blocks;

the limiting protrusion is fixed on the inner wall of the first connecting semi-ring, and a limiting penetrating groove for inserting the limiting protrusion is formed in the stretching transverse shaft.

Further, be connected with the connecting seat on the base detachably, be equipped with the connection perforation on the connecting seat, wear to be equipped with the back shaft in the connection perforation, the upper end of back shaft is fixed with the fixed block, the lower extreme of back shaft is fixed with down the grip block, go up threaded connection and go up adjusting screw on the fixed block, go up adjusting screw and be connected with the connecting seat rotation, be connected with the grip block on the back shaft, the back shaft passes the grip block, go up threaded connection and have the grip screw on the grip block, the grip screw rotates with lower grip block to be connected.

Further, the base is detachably connected with the connecting seat through bolts.

Further, one end of the adjusting threaded rod extending out of the base is fixed with a first rotating handle.

Further, the upper adjusting screw is rotationally connected with the connecting seat through two first fixing rings.

Further, the clamping screw is rotatably connected with the lower clamping plate through two second fixing rings.

Compared with the prior art, the invention has the beneficial effects that:

(1) The distance between the two stretching cross shafts can be adjusted through adjusting the threaded rods, so that the stretching rods on the stretching cross shafts stretch the incisions with corresponding sizes;

(2) When the supporting cross rod is not used, the supporting cross rod can be pushed upwards, the sliding sleeve ring moves out of the limit groove of the corresponding rotating shaft, the supporting cross rod can be rotated to a furled state at the moment, then the supporting cross rod is loosened, and the limit spring drives the sliding sleeve ring to be continuously spliced with the corresponding limit groove, so that the supporting cross shaft is limited to the furled state;

(3) For some smaller wounds, the spreader bar is not needed to be pulled downwards, so that the limiting protrusion leaves the bottom end of the limiting through groove, then the spreader bar is rotated to the upper part of the spreader cross shaft and then is loosened, and at the moment, the reset spring drives the limiting protrusion to be inserted with the top end of the limiting through groove, so that the spreader bar is rotated to a non-use state;

(4) Through rotating clamping screw, can drive the clamping plate and reciprocate, fix the back shaft on the operation table through last clamping plate and lower clamping plate, also fix the base on the operation table, can drive the base through rotating adjusting screw and reciprocate afterwards, adjust the height of base, make the pole of strutting adjust suitable strut height.

Drawings

FIG. 1 is a schematic view of the structure of the opening device of the present invention;

FIG. 2 is an enlarged view of a portion of the portion I of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is a cross-sectional view at B-B in FIG. 3;

FIG. 6 is an enlarged view of a portion of the portion at II in FIG. 5;

FIG. 7 is a view showing the base of FIG. 1 with a connecting base attached;

FIG. 8 is an enlarged view of a portion of III in FIG. 7;

fig. 9 is a partial enlarged view at IV in fig. 7.

In the figure: 1. a base; 2. a support rail; 3. the transverse shaft is propped open; 4. a spreader bar; 5. an adjusting nut; 6. a side connecting groove; 7. a housing cavity; 8. a sliding collar; 9. a limit groove; 10. a rotating shaft; 11. a first connecting half ring; 12. a second connecting half ring; 13. adjusting a threaded rod; 14. limiting through grooves; 15. a limit protrusion; 16. a first connection block; 17. a second connection block; 18. a fixed shaft; 19. a return spring; 20. a fixing plate; 21. an upper adjusting screw; 22. a support shaft; 23. an upper fixing block; 24. a first fixing ring; 25. a connecting seat; 26. a bolt; 27. a lower clamping plate; 28. an upper clamping plate; 29. clamping a screw; 30. a second fixing ring; 31. a limit spring; 32. a fixed block; 33. a telescopic rod; 34. and fixing the connecting plate.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the present invention provides a technical solution for an incision spreader for orthopedic surgery.

An orthopedic incision distraction device, comprising:

the base 1 is shown in fig. 1, a containing cavity 7 is arranged in the base 1, and a side connecting groove 6 communicated with the containing cavity 7 is arranged on the side wall of the base 1;

the adjusting threaded rod 13 is rotatably connected in the accommodating cavity 7 as shown in fig. 4, one end of the adjusting threaded rod 13 extending out of the base 1 is fixedly provided with a first rotating handle, two adjusting nuts 5 are connected to the adjusting threaded rod 13 in a threaded manner, the threads of the two adjusting nuts 5 are oppositely rotated, and the two adjusting nuts 5 can be driven to move simultaneously by rotating the adjusting threaded rod 13, and the moving directions of the two adjusting nuts 5 are opposite or opposite;

the horizontal shaft 3 is supported, as shown in fig. 1, and each adjusting nut 5 is rotatably connected with the horizontal shaft 3 through a rotating shaft 10;

the spreader bars 4, as shown in fig. 1, each spreader cross shaft 3 is connected with a plurality of spreader bars 4, and the spreader bars 4 are sequentially arranged along the length direction of the spreader cross shaft 3;

the first limiting device can limit the position of the rotating shaft 10, so that the expanding transverse shaft 3 is limited to be in an unfolded or folded state.

As shown in fig. 2, the first limiting device includes:

the fixed block 32, the fixed block 32 is fixed on the outer wall of the base 1, there are flexible grooves on the fixed block 32;

the telescopic rod 33, the telescopic rod 33 passes through the telescopic groove, the direction of the telescopic rod 33 and the telescopic groove is vertical to the direction of the adjusting movement, and the bottom end of the telescopic rod 33 is fixed with the fixed connecting plate 34;

the limiting spring 31, the limiting spring 31 is sleeved on the telescopic rod 33, and the limiting spring 31 is arranged between the fixed block and the fixed connecting plate 34;

a support cross bar 2, wherein the support cross bar 2 is fixed at one end of the telescopic rod 33 far away from the fixed plate 20;

the sliding lantern rings 8 are sleeved on the supporting cross rods 2, the two sliding lantern rings 8 in one-to-one correspondence with the rotating shafts 10 are sleeved on the supporting cross rods 2, the sliding lantern rings 8 can transversely move relative to the supporting cross rods 2, and each rotating shaft 10 is provided with a limiting groove 9 for inserting the corresponding sliding lantern ring 8, and the limiting grooves 9 are rectangular.

The distance between the two stretching cross shafts 3 can be adjusted by adjusting the threaded rod 13, so that the stretching rods 4 on the stretching cross shafts 3 stretch the incisions with corresponding sizes. When the supporting cross rod 2 is not used, the supporting cross rod 2 can be pushed upwards, the sliding lantern ring 8 moves out of the limit groove 9 corresponding to the rotating shaft 10, the supporting cross rod 3 can be rotated to a folded state at the moment, then the supporting cross rod 2 is loosened, and the limit spring 31 drives the sliding lantern ring 8 to be continuously inserted into the corresponding limit groove 9, so that the supporting cross rod 3 is limited to the folded state. When in a furling state, the adjusting threaded rod 13 can be continuously rotated, so that the two adjusting nuts 5 move towards the middle of the base 1, and the sliding lantern ring 8 also moves together at the moment, thereby achieving a better furling effect.

The expanding rod 4 is connected with the expanding transverse shaft 3 through a second limiting device.

As shown in fig. 6, the second limiting device includes:

the first connecting semi-ring 11, the first connecting semi-ring 11 is fixed on the opening rod 4, the two ends of the first connecting semi-ring 11 are both fixed with first connecting blocks 16, the first connecting blocks 16 are both fixed with fixed shafts 18, and one end of each fixed shaft 18 far away from each first connecting block 16 is fixed with a fixed plate 20;

the second connecting semi-ring 12, two ends of the second connecting semi-ring 12 are fixed with second connecting blocks 17, two second connecting blocks 17 are in one-to-one correspondence with two fixed shafts 18, and second through holes for the corresponding fixed shafts 18 to pass through are formed in the second connecting blocks 17;

a return spring 19, wherein each fixed shaft 18 is sleeved with a return spring 19, and the return springs 19 are arranged between the fixed plates 20 and the second connecting blocks 17;

the limiting protrusion 15, the limiting protrusion 15 is fixed on the inner wall of the first connecting semi-ring 11, the supporting transverse shaft 3 is provided with a limiting penetrating groove 14 for the limiting protrusion 15 to be inserted, and when the limiting protrusion 15 is inserted with the bottom end of the limiting penetrating groove 14, the supporting rod 4 is at a supporting position. In addition, for some smaller wounds, the spreader bar 4 is not required to be pulled downwards, so that the limiting protrusion 15 leaves the bottom end of the limiting through groove 14, the reset spring 19 is in a compressed state, the spreader bar 4 is rotated above the spreader transverse shaft 3 and then is loosened, and the reset spring 19 drives the limiting protrusion 15 to be inserted into the top end of the limiting through groove 14, so that the spreader bar 4 is rotated to a non-use state. The corresponding spreader bar 4 can be turned upwards for different sizes of incisions.

As shown in fig. 7-9, in addition, the base 1 may be detachably connected with a connection seat 25 through a bolt 26, a connection through hole is provided on the connection seat 25, a support shaft 22 is penetrated in the connection through hole, an upper fixing block 23 is fixed at the upper end of the support shaft 22, a lower clamping plate 27 is fixed at the lower end of the support shaft 22, an upper adjusting screw 21 is screwed on the upper fixing block 23, and the upper adjusting screw 21 is rotatably connected with the connection seat 25 through two first fixing rings 24. The support shaft 22 is connected with an upper clamping plate 28, the support shaft 22 passes through the upper clamping plate 28, the upper clamping plate 28 can move up and down relative to the support shaft 22, the upper clamping plate 28 is connected with a clamping screw 29 in a threaded manner, and the clamping screw 29 is rotatably connected with the lower clamping plate 27 through two second fixing rings 30.

As shown in fig. 7 to 9, the upper clamping plate 28 is driven to move up and down by rotating the clamping screw 29, so that the support shaft 22 is fixed to the operating table by the upper clamping plate 28 and the lower clamping plate 27, and the base 1 is also fixed to the operating table. Then the upper adjusting screw 21 can be rotated to drive the base 1 to move up and down, and the height of the base 1 is adjusted, so that the expanding rod 4 is adjusted to a proper expanding height.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An orthopedic incision distraction device, comprising:

the first limiting device can limit the position of the rotating shaft and limit the stretching transverse shaft to be in an unfolded or folded state; the spreading rod is connected with the spreading transverse shaft through a second limiting device;

wherein, first stop device includes:

the sliding lantern rings are sleeved on the supporting cross rods and can transversely move relative to the supporting cross rods, and each rotating shaft is provided with a limiting groove for inserting the corresponding sliding lantern ring, and the limiting grooves are rectangular;

the second limiting device includes:

2. The bone surgery incision opening device according to claim 1, wherein a connecting seat is detachably connected to the base, a connecting through hole is formed in the connecting seat, a supporting shaft is arranged in the connecting through hole in a penetrating mode, an upper fixing block is fixed at the upper end of the supporting shaft, a lower clamping plate is fixed at the lower end of the supporting shaft, an upper adjusting screw is connected to the upper fixing block in a threaded mode, the upper adjusting screw is connected with the connecting seat in a rotating mode, an upper clamping plate is connected to the supporting shaft, the supporting shaft penetrates through the upper clamping plate, a clamping screw is connected to the upper clamping plate in a threaded mode, and the clamping screw is connected with the lower clamping plate in a rotating mode.

3. An orthopedic incision distraction device in accordance with claim 2, wherein the base is detachably connected to the connection base by bolts.

4. The orthopedic incision distraction device of claim 1, wherein the end of the threaded adjustment rod extending beyond the base is secured with a first rotatable handle.

5. The orthopedic incision distraction device of claim 4, wherein the upper adjustment screw is rotatably coupled to the coupling seat by two first fixing rings.

6. An orthopedic incision distraction device in accordance with claim 4, wherein the clamping screw is rotatably coupled to the lower clamping plate by two second fixing rings.