CN219516399U - Surgical retractor fixing device - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, in particular to an operation drag hook fixing device and drag hook equipment; including fixed unit, adjusting unit and drag hook installation unit, the fixed in the operating table is realized to operation drag hook fixing device accessible fixed unit, drag hook installation unit is connected with adjusting unit, drag hook installation unit can provide fixedly for the operation drag hook of operation usefulness, because adjusting unit includes adjusting seat and adjusting module, adjusting seat rotates along first direction of rotation and fixed unit and is connected, realize the regulation of operation drag hook direction, adjusting module rotates along second direction of rotation with first direction of rotation vertically and adjusting seat and is connected, realize the regulation of operation drag hook another direction, can adjust the angle of the operation drag hook that is fixed in drag hook installation unit in a plurality of directions, and then make this operation drag hook fixing device satisfy the regulation demand to operation drag hook angle in the operation process, provide convenience for the operation process.

Description

Surgical retractor fixing device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a surgical retractor fixing device.

Background

When a body surface operation is carried out on a patient in a hospital, the operation wound is pulled by the operation retractor after skin and muscle are cut, so that the view suitable for the operation is fully exposed, and the pulling angle of the retractor is required to be adjusted for facilitating the operation of a doctor.

An auxiliary fixing device of an operation retractor and the operation retractor disclosed in the prior patent with publication number CN211583303U, wherein the auxiliary fixing device of the retractor comprises a fixing mechanism, a clamping sleeve device and an adjusting mechanism, and the fixing mechanism is used for being fixed on an operation table; the clamping sleeve device is used for being matched with the surgical retractor in a clamping way to position the surgical retractor; the adjusting mechanism is fixed on the fixing mechanism through the fixing rod, the supporting rod and the rotating rod which are sequentially hinged, the clamping sleeve device is fixed on the rotating rod, connection of the fixing mechanism and the clamping sleeve device is achieved, and angle adjustment of the clamping sleeve device is achieved through rotation of the supporting rod and the rotating rod.

However, the supporting rod and the rotating rod of the existing drag hook fixing device can only rotate along the height direction to realize the adjustment of the drag hook in the height direction, so that the angle adjustment of the drag hook is limited, and the inconvenience is caused to the angle adjustment of the drag hook in the operation process.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a surgical retractor fixing device which solves the technical problem that the surgical retractor fixing device in the prior art can only realize angle adjustment of a retractor along the height direction, and the angle adjustment of the retractor is inconvenient in the surgical process.

In order to achieve the technical purpose, the technical scheme of the utility model provides a surgical retractor fixing device, which comprises:

a fixing unit;

the adjusting unit comprises an adjusting seat and an adjusting module, the adjusting seat is rotationally connected with the fixing unit along a first rotating direction, the adjusting module is rotationally connected with the adjusting seat along a second rotating direction, and the rotating axis of the adjusting seat is perpendicular to the rotating axis of the adjusting module;

the retractor mounting unit is connected with the adjusting module and used for fixing the surgical retractor.

In one embodiment, the adjusting unit further comprises a first limiting module, and the first limiting module is connected with the adjusting seat and the adjusting module and used for limiting the adjusting module to rotate relative to the adjusting seat.

In one embodiment, a first limiting tooth is arranged in the circumferential direction of the adjusting seat, a second limiting tooth matched with the first limiting tooth is arranged on one side, close to the first limiting tooth, of the fixing unit, and the adjusting unit further comprises a second limiting module, wherein the second limiting module is connected with the adjusting seat and the fixing unit and is used for providing force towards the fixing unit for the adjusting seat, so that the first limiting tooth is meshed with the second limiting tooth.

In one embodiment, the adjusting module comprises an adjusting frame and an adjusting head, the adjusting frame is rotationally connected to the adjusting seat along the second rotation direction, the adjusting head is rotationally connected to the adjusting frame along the second rotation direction, the drag hook installing unit is connected to the adjusting head, the adjusting unit further comprises a third limiting module, and the third limiting module is connected with the adjusting head and the adjusting frame and is used for limiting the adjusting head to rotate relative to the adjusting frame.

In one embodiment, the surgical retractor comprises a retractor mounting unit, wherein the retractor mounting unit comprises a connecting frame and a retractor fixing module, the connecting frame is in sliding connection with the adjusting unit, the retractor fixing module is connected with the connecting frame and used for fixing a surgical retractor, and the locking unit is connected with the connecting frame and the adjusting unit and used for limiting sliding of the retractor mounting unit relative to the adjusting unit.

In one embodiment, the locking unit includes a lock sleeve and a locking piece, the locking piece is fixed on the adjusting module and located in the circumferential direction of the connecting frame, the lock sleeve is sleeved on each locking piece, and the lock sleeve is used for pressing the locking piece on the surface of the connecting frame through moving towards the direction close to the adjusting unit, so that the sliding of the connecting frame relative to the adjusting unit is limited.

In one embodiment, the drag hook fixing module is rotationally connected with the connecting frame along the second rotation direction, and the drag hook mounting unit further comprises a fourth limiting module, wherein the fourth limiting module is connected with the connecting frame and the drag hook fixing module and used for limiting the rotation of the drag hook fixing module relative to the connecting frame.

In one embodiment, the retractor fixing module includes a sliding seat, a mounting seat and a limiting member, wherein the sliding seat is connected to the connecting frame, the mounting seat is in sliding connection with the sliding seat and is used for fixing the surgical retractor, and the limiting member is connected with the sliding seat and the mounting seat and is used for limiting the sliding of the mounting seat relative to the sliding seat.

In one embodiment, the surface of the mounting seat is provided with locking teeth, one end of the limiting piece is rotationally connected with the sliding seat, the other end of the limiting piece is in clamping connection with the locking teeth, the drag hook fixing module further comprises a compression spring, one end of the compression spring abuts against one side, away from the locking teeth, of the limiting piece, and the other end of the compression spring abuts against the sliding seat.

In one embodiment, the mounting seat comprises a seat body, a pressing block and a locking handle, wherein the pressing block is positioned on one side of the seat body and forms a drag hook mounting cavity for a hand hook to be mounted between the pressing block and the seat body, and the locking handle is connected with the seat body and the pressing block and used for driving the seat body and the pressing block to clamp the surgical drag hook.

Compared with the prior art, the surgical retractor fixing device provided by the utility model has the beneficial effects that: through setting up fixed unit, adjusting unit and drag hook installation unit, operation drag hook fixing device accessible fixed unit realizes in the fixed of operating table, drag hook installation unit is connected with adjusting unit, drag hook installation unit can provide fixedly for the operation drag hook of operation usefulness, because adjusting unit is including adjusting seat and adjusting module, adjusting seat rotates with fixed unit along first direction of rotation and is connected, realize the regulation of operation drag hook one direction, adjusting module rotates with adjusting seat along the second direction of rotation and is connected, realize the regulation of operation drag hook another direction, and the axis of rotation of adjusting seat is perpendicular with adjusting module's axis of rotation, and then through rotating adjusting seat along first direction of rotation, and rotate adjusting module along the second direction of rotation, can be adjusted the angle of the operation drag hook that is fixed in drag hook installation unit in a plurality of directions, and then make this operation drag hook fixing device satisfy the regulation demand to operation drag hook angle in the operation process, provide convenience for the operation process.

Drawings

Fig. 1 is a schematic structural view of a surgical retractor fixing device according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a fixing unit of the surgical retractor fixing device according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a fixing unit of a surgical retractor fixing device according to another embodiment of the present utility model.

Fig. 4 is a schematic structural view of an adjusting unit and a locking unit of the surgical retractor fixing device according to the embodiment of the present utility model.

Fig. 5 is a sectional view showing a connection portion between an adjusting unit and a retractor mounting unit of the surgical retractor fixing apparatus according to the embodiment of the present utility model.

Fig. 6 is a schematic structural view of a retractor mounting unit of the surgical retractor fixing apparatus according to the embodiment of the present utility model.

Fig. 7 is a front view of a retractor fixing module of the surgical retractor fixing apparatus according to the embodiment of the present utility model.

Fig. 8 is a cross-sectional view of line A-A of fig. 7.

Wherein, each reference sign in the figure:

10-fixing unit 11-supporting rod 12-fixing seat

13-fixed screw 14-supporting screw 15-second limit tooth

20-adjusting unit 21-adjusting seat 22-adjusting module

23-first limit module 24-first limit tooth 25-second limit module

26-third limit module 30-draw hook mounting unit 31-connecting frame

32-drag hook fixing module 33-fourth limit module 40-locking unit

41-Lock sleeve 42-Lock 121-installation Cavity

122-through hole 123-mounting groove 221-adjusting frame

222-adjusting head 231-first limit screw 251-second limit screw

261-third limit screw 321-sliding seat 322-mounting seat

323-limiting piece 324-compression spring 331-fourth limiting screw

421-spring 3221-locking teeth 3222-base

3223-pressing block 3224-locking handle 3225-limiting protrusion

10 a-surgical retractor 20 a-fixing rod

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The utility model provides a surgical retractor fixing device, which comprises a fixing unit 10, an adjusting unit 20 and a retractor mounting unit 30, wherein the adjusting unit 20 is connected with the fixing unit 10, and the retractor mounting unit 30 is connected with the adjusting unit 20, as shown in fig. 1. The surgical retractor fixing device is characterized in that the fixing unit 10, the adjusting unit 20 and the retractor mounting unit 30 are arranged, the surgical retractor fixing device can be fixed with an operating table through the fixing unit 10, the retractor mounting unit 30 is connected with the adjusting unit 20, and the retractor mounting unit 30 can be used for fixing the surgical retractor 10a for surgery, so that the surgical retractor 10a can be mounted.

In one embodiment, the horizontal direction of the operating table is taken as a first rotation direction, the vertical direction of the operating table is taken as a second rotation direction, as shown in fig. 1 and 4, the adjusting unit 20 comprises an adjusting seat 21 and an adjusting module 22, the adjusting seat 21 is rotationally connected with the fixing unit 10 along the first rotation direction, the adjusting module 22 is rotationally connected with the adjusting seat 21 along the second rotation direction, the drag hook mounting unit 30 is connected with the adjusting module 22, and the rotation axis of the adjusting seat 21 is perpendicular to the rotation axis of the adjusting module 22.

Specifically, the adjusting unit 20 includes an adjusting seat 21 and an adjusting module 22, since the adjusting unit 20 includes the adjusting seat 21 and the adjusting module 22, the adjusting seat 21 is rotationally connected with the fixing unit 10 along the first rotation direction, the adjustment of the surgical retractor 10a in the horizontal direction of the operating table is realized, the adjusting module 22 is rotationally connected with the adjusting seat along the second rotation direction, and the rotation axis of the adjusting seat 21 is perpendicular to the rotation axis of the adjusting module 22, and further, the adjustment of the angle of the surgical retractor 10a in the vertical direction of the operating table is realized, the angle of the surgical retractor 10a fixed on the retractor mounting unit 30 can be adjusted through a plurality of directions, and then the surgical retractor fixing device can meet the adjustment requirement of the angle of the surgical retractor 10a in the surgical procedure, thereby providing convenience for the surgical procedure.

It can be understood that the adjusting unit 20 may be any frame structure, and the adjusting unit 20 may be rotatably connected to the adjusting unit 20 by setting a rod body inserted into the jack of the fixing unit 10, so as to realize the rotational connection between the adjusting unit 20 and the fixing unit 10, and simultaneously, the adjusting unit 20 may be limited by the friction between the surface of the rod body and the inner wall of the jack of the adjusting unit 20.

It will be appreciated that the fixation unit 10 may be any structure that enables fixation to an operating table.

In one embodiment, as shown in fig. 1 to 3, the fixing unit 10 includes a supporting rod 11 and a fixing base 12, the fixing base 12 is used for fixedly connecting with the operating table, one end of the supporting rod 11 is connected with the fixing base 12, the other end of the supporting rod 11 extends along the vertical direction of the operating table in a direction away from the operating table, and the adjusting unit 20 is rotatably connected to one end of the supporting rod 11 away from the operating table. The fixing unit 10 can be fixed on an operating table through the fixing seat 12, and the rotation connection and support of the adjusting unit 20 are realized through the supporting rod 11.

In one embodiment, as shown in fig. 2, the fixing unit 10 further includes a fixing screw 13, an installation cavity 121 is provided in the fixing base 12, a through hole 122 communicating with the installation cavity 121 is provided on one side of the fixing base 12, the supporting rod 11 passes through the installation cavity 121 from one side of the through hole 122 along the vertical direction of the operating table and is slidably connected with the fixing base 12, an installation cavity 121 for installing a fixing rod 20a of the operating table is formed between the supporting rod 11 and the side wall of the fixing base 12, and the end of the fixing screw 13 is in threaded connection with one side of the fixing base 12 opposite to the through hole 122 and extends to the installation cavity 121. Specifically, when the fixing unit 10 is fixed on the operating table, the fixing base 12 can be first passed through the fixing rod 20a on the operating table through the through hole 122 on one side, the fixing rod 20a is made to enter the installation cavity 121, the supporting rod 11 is then slid downwards and penetrates the fixing base 12, the fixing screw 13 is screwed down, the end of the fixing screw 13 is made to abut against the fixing rod 20a on the operating table, the fixing base 12 abuts against the supporting rod 11 under the driving of the fixing screw 13, and the supporting rod 11 is made to be locked before the fixing rod 20a on the operating table is clamped on the inner wall of the fixing base 12, so that the fixing unit 10 is fixed on the operating table. Meanwhile, the height of the supporting rod 11 can be adjusted by loosening the fixing screw 13.

In one embodiment, as shown in fig. 3, the fixing unit 10 further includes two supporting screws 14, one side of the fixing base 12 is provided with a mounting groove 123, the lower end of the supporting rod 11 is fixed at the top of the fixing base 12, one supporting screw 14 is connected to the bottom of the fixing base 12 in a threaded manner and extends into the mounting groove 123, and the other supporting screw 14 is connected to the opposite side of the fixing base 12 to the notch of the mounting groove 123 in a threaded manner and extends into the mounting groove 123. Specifically, when the fixing unit 10 is fixed on the operating table, the fixing base 12 is firstly installed on the edge of the operating table through the installation groove 123, and the two supporting screws 14 are respectively screwed down, so that the two supporting nuts are abutted against the operating table, and the fixing base 12 can be installed and fixed on the operating table.

In one embodiment, the adjusting unit 20 further includes a first limiting module 23, where the first limiting module 23 is connected to the adjusting seat 21 and the adjusting module 22, and is used for limiting the rotation of the adjusting module 22 relative to the adjusting seat 21. Specifically, after the angle adjustment of the surgical retractor 10a is completed, the adjusting module 22 may be locked by the first limiting module 23, so as to realize the stability of the surgical retractor 10a.

It can be appreciated that the first limiting module 23 may be a first limiting nail and a first limiting spring, through penetrating one end of the first limiting nail through the adjusting module 22 and fixing the first limiting nail on the adjusting seat 21, simultaneously, one end of the first limiting spring is propped against the adjusting module 22, the other end of the first limiting spring is propped against the head of the first limiting nail, the first limiting spring generates a pressing force acting on the adjusting module 22 towards the adjusting seat 21, and the adjusting module 22 is propped against the adjusting seat 21, so that the limiting of the rotation of the adjusting module 22 is realized, and when the adjusting module 22 needs to be rotated, only the elastic force of the first limiting spring needs to be overcome, so that the adjusting module 22 is far away from the adjusting seat 21.

In one embodiment, as shown in fig. 1 and 4, the first limiting module 23 includes a first limiting screw 231, one end of the first limiting screw 231 passes through the adjusting module 22 and is in threaded connection with the adjusting seat 21, and the other end of the first limiting screw 231 abuts against the adjusting module 22. Specifically, the tightness between the adjusting module 22 and the adjusting seat 21 can be adjusted by adjusting the first limit screw 231, and the adjusting module 22 is limited to rotate relative to the adjusting seat 21 by tightening the first limit screw 231, so that the first limit screw 231 is only required to be unscrewed when the adjusting module 22 needs to be rotated.

It can be appreciated that the first limit screw 231 may also pass through the adjusting seat 21 at one end and be in threaded connection with the adjusting module 22, and the other end of the first limit screw 231 abuts against the adjusting seat 21, so as to limit the rotation of the adjusting module 22 by the first limit screw 231.

It will be appreciated that, to further limit the rotation of the socket module, a structure of mutually engaged locking teeth 3221 may be further provided between the adjusting module 22 and the adjusting seat 21, and the limitation of the rotation of the socket module is further realized by the engagement of the locking teeth 3221.

In one embodiment, as shown in fig. 1 to 4, to limit the rotation of the adjusting unit 20 relative to the fixing unit 10, a first limiting tooth 24 is disposed in the circumferential direction of the adjusting seat 21, a second limiting tooth 15 adapted to the first limiting tooth 24 is disposed on one side of the fixing unit 10 near the first limiting tooth 24, the adjusting unit 20 further includes a second limiting module 25, and the second limiting module 25 is connected to the adjusting seat 21 and the fixing unit 10, and is used for providing a force towards the fixing unit 10 to the adjusting seat 21, so that the first limiting tooth 24 and the second limiting tooth 15 are meshed. Specifically, the first limiting teeth 24 of the adjusting seat 21 can engage with the second limiting teeth 15 of the fixing unit 10 by the force of the second limiting module 25 acting on the adjusting seat 21 toward the fixing unit 10, and further limit the rotation of the adjusting unit 20 relative to the fixing unit 10 by the engagement between the first limiting teeth 24 and the second limiting teeth 15.

It can be understood that the second limiting module 25 may be a second limiting pin and a second limiting spring, by penetrating one end of the second limiting pin through the adjusting seat 21 and fixing the second limiting pin to the fixing unit 10, and simultaneously making one end of the second limiting spring abut against the fixing unit 10, the other end of the first limiting spring abuts against the head of the second limiting pin, the second limiting spring generates a pressing force acting on the adjusting seat 21 in the direction of the fixing unit 10, so as to lock the first limiting tooth 24 of the adjusting seat 21 with the second limiting tooth 15 of the fixing unit 10, thereby realizing the limitation of the rotation of the adjusting unit 20, and only overcoming the elastic force of the second limiting spring when the adjusting unit 20 is required to rotate, so that the first limiting tooth 24 of the adjusting seat 21 is separated from the locking with the second limiting tooth 15 of the fixing unit 10.

In one embodiment, as shown in fig. 1 and 4, the second limiting module 25 includes a second limiting screw 251, one end of the second limiting screw 251 passes through the adjusting seat 21 and is in threaded connection with the fixing unit 10, and the other end of the second limiting screw 251 abuts against the adjusting seat 21. Specifically, the tightness between the adjusting seat 21 and the fixing unit 10 can be adjusted by adjusting the second limit screw 251, and the second limit screw 251 is screwed down to limit the rotation of the adjusting seat 21 relative to the fixing unit 10, so that the second limit screw 251 is unscrewed when the adjusting seat 21 needs to be rotated.

It can be appreciated that the second limit screw 251 may also pass through the fixing unit 10 at one end and be in threaded connection with the adjusting seat 21, and the other end of the second limit screw 251 abuts against the fixing unit 10, so as to limit the rotation of the adjusting seat 21 by the second limit screw 251.

In one embodiment, as shown in fig. 1 to 3, the adjusting seat 21 is rotatably connected to the upper end of the supporting rod 11, and the second limiting teeth 15 are disposed on the upper end surface of the supporting rod 11.

In one embodiment, as shown in fig. 1 and 4, the adjusting module 22 includes an adjusting frame 221 and an adjusting head 222, the adjusting frame 221 is rotatably connected to the adjusting seat 21 along the second rotation direction, the adjusting head 222 is rotatably connected to the adjusting frame 221 along the second rotation direction, the retractor mounting unit 30 is connected to the adjusting head 222, the adjusting unit 20 further includes a third limiting module 26, and the third limiting module 26 is connected to the adjusting head 222 and the adjusting frame 221 and is used for limiting rotation of the adjusting head 222 relative to the adjusting frame 221. Specifically, the adjusting module 22 is connected to the adjusting frame 221 through setting the adjusting frame 221 and the adjusting head 222, and meanwhile, the adjusting head 222 is rotated along the vertical direction of the operating table, so that the adjusting module 22 can adjust the angle of the adjusting head 222 in the vertical direction of the surgical retractor 10a through the rotation of the adjusting head 222 around the adjusting frame 221, the degree of freedom of the vertical direction of the surgical retractor 10a is increased, the adjustment of the angle of the surgical retractor 10a in the surgical process is facilitated, and after the adjustment of the angle of the surgical retractor 10a is completed, the rotation of the rotating head can be limited through the third limiting module 26, so that the stability of the surgical retractor 10a in the surgical process is guaranteed.

It can be appreciated that the third limiting module 26 may be a third limiting pin and a third limiting spring, through penetrating one end of the third limiting pin through the adjusting frame 221 and fixing the third limiting pin to the adjusting head 222, simultaneously, one end of the third limiting spring is abutted against the adjusting head 222, the other end of the first limiting spring is abutted against the head of the third limiting pin, the third limiting spring generates a pressing force acting on the adjusting head 222 towards the direction of the adjusting frame 221, so that the adjusting head 222 is pressed against the adjusting frame 221, the rotation limitation of the adjusting unit 20 is realized, and when the adjusting unit 20 needs to be rotated, only the elastic force of the third limiting spring needs to be overcome, so that the adjusting head 222 is far away from the adjusting frame 221.

It will be appreciated that the adjustment bracket 221 and adjustment head 222 may be further limited in rotation by the provision of interengaging locking teeth 3221.

In one embodiment, as shown in fig. 1 and 4, the third limiting module 26 includes a third limiting screw 261, one end of the third limiting screw 261 passes through the adjusting frame 221 and is in threaded connection with the adjusting head 222, and the other end of the third limiting screw 261 abuts against the adjusting frame 221. Specifically, the tightness between the adjusting head 222 and the adjusting frame 221 can be adjusted by adjusting the third limiting screw 261, and the third limiting screw 261 is screwed down to limit the rotation of the adjusting head 222 relative to the adjusting frame 221, so that the third limiting screw 261 is unscrewed when the adjusting head 222 is required to be rotated.

It can be appreciated that the third limiting screw 261 can also pass through the adjusting head 222 at one end and be in threaded connection with the adjusting frame 221, and the other end of the third limiting screw 261 abuts against the adjusting head 222, so as to limit the rotation of the adjusting head 222 relative to the adjusting frame 221.

It will be appreciated that the retractor mounting unit 30 may be any frame structure capable of implementing fixation of the surgical retractor 10a, and the retractor mounting unit 30 may be slidably connected, rotatably connected, fixedly connected, etc. with the adjusting unit 20.

In one embodiment, as shown in fig. 1 and 4 to 6, the surgical retractor fixing apparatus further includes a locking unit 40, the retractor mounting unit 30 includes a connection frame 31 and a retractor fixing module 32, the connection frame 31 is slidably connected with the adjusting unit 20, the retractor fixing module 32 is connected with the connection frame 31 and is used for fixing the surgical retractor 10a, and the locking unit 40 is connected with the connection frame 31 and the adjusting unit 20 and is used for limiting sliding of the retractor mounting unit 30 relative to the adjusting unit 20. Specifically, the retractor mounting unit 30 can realize the mounting and fixing of the retractor by arranging the retractor fixing module 32, and can realize the sliding connection of the retractor mounting unit 30 and the adjusting unit 20 by arranging the connecting frame 31, so that the angle of the surgical retractor 10a can be adjusted by the sliding of the retractor mounting unit 30 along the adjusting unit 20, thereby providing convenience for the adjustment of the surgical retractor 10a in the surgical process, and the locking unit 40 limits the sliding of the connecting frame 31 relative to the adjusting unit 20 after the adjustment of the angle of the surgical retractor 10a is completed.

It will be appreciated that the locking unit 40 may be a threaded rod screwed to the adjusting unit 20, which may limit the sliding of the connecting frame 31 relative to the adjusting unit 20 by abutting the end against the surface of the connecting frame 31.

In one embodiment, as shown in fig. 1 and 4 to 5, the locking unit 40 includes a lock sleeve 41 and locking members 42, wherein a plurality of locking members 42 are fixed to the adjusting module 22 and located in a circumferential direction of the connecting frame 31, one end of the lock sleeve 41 is connected to the adjusting unit 20, the lock sleeve 41 is sleeved on each locking member 42, and the lock sleeve 41 is used for pressing the locking member 42 against a surface of the connecting frame 31 by moving toward a direction approaching the adjusting unit 20, so as to limit sliding of the connecting frame 31 relative to the adjusting unit 20. Specifically, the locking unit 40 compresses the locking member 42 in the circumferential direction by the lock sleeve 41, so that the locking member 42 is pressed against the connecting frame 31 of the retractor mounting unit 30, that is, the connecting frame 31 is held tightly by the locking member 42, and the sliding of the connecting frame 31 relative to the fixing unit 10 is limited.

In one embodiment, as shown in fig. 5, the connecting frame 31 is slidably connected to the adjustment head 222, and the locking member 42 is fixed to the adjustment head 222.

In one embodiment, as shown in fig. 4 to 5, one end of the lock sleeve 41, which is close to the adjusting unit 20, is sleeved on the adjusting head 222 and is in threaded connection with the adjusting head 222, the lock member 42 comprises a plurality of elastic pieces 421, each elastic piece 421 is fixed at the end of the adjusting head 222 along the circumferential direction of the connecting frame 31 at intervals, and is elastically connected with the adjusting head 222, a conical surface is arranged in the lock sleeve 41, when the lock sleeve 41 is screwed in the direction of the adjusting head 222, the conical surface in the lock sleeve 41 presses each elastic piece 421, so that each elastic piece 421 contracts in the direction of the connecting frame 31, the connecting frame 31 is clasped, and the sliding limit of the connecting frame 31 is realized.

In one embodiment, as shown in fig. 1 and 6, the retractor fixing module 32 is rotatably connected to the connection frame 31 along the second rotation direction, and the retractor mounting unit 30 further includes a fourth limiting module 33, where the fourth limiting module 33 is connected to the connection frame 31 and the retractor fixing module 32, and is used to limit rotation of the retractor fixing module 32 relative to the connection frame 31. Specifically, in the operation process, the angle of the drag hook can be adjusted by rotating the drag hook fixing module 32 around the connecting frame 31, the free end of the drag hook in the vertical direction is further increased, convenience is provided for angle adjustment of the drag hook 10a in the operation process, and after the angle adjustment of the drag hook is completed, the rotation of the drag hook fixing module 32 is limited by the fourth limiting module 33, so that the stability of the drag hook 10a in the operation process is ensured.

It can be appreciated that the fourth limiting module 33 may be a fourth limiting pin and a fourth limiting spring, through penetrating one end of the fourth limiting pin through the drag hook fixing module 32 and fixing the fourth limiting pin to the connecting frame 31, simultaneously making one end of the fourth limiting spring prop against the drag hook fixing module 32, the other end of the first limiting spring props against the head of the fourth limiting pin, the fourth limiting spring generates a pressing force acting on the drag hook fixing module 32 towards the connecting frame 31, so as to compress the drag hook fixing module 32 to the connecting frame 31, thereby realizing the limitation of the rotation of the drag hook fixing module 32, and only overcoming the elasticity of the fourth limiting spring when the adjusting unit 20 is needed, so that the drag hook fixing module 32 is far away from the drag hook fixing module 32.

It can be appreciated that the connection frame 31 and the retractor fixing module 32 can further limit the rotation of the retractor fixing module 32 by providing a structure of mutually engaged locking teeth 3221.

In one embodiment, as shown in fig. 1 and 6, the fourth limiting module 33 includes a fourth limiting screw 331, one end of the fourth limiting screw 331 passes through the connecting frame 31 and abuts against the retractor fixing module 32, and the other end of the fourth limiting screw 331 abuts against the connecting frame 31. Specifically, the tightness between the connecting frame 31 and the drag hook fixing module 32 can be adjusted by adjusting the fourth limit screw 331, and the rotation of the drag hook fixing module 32 relative to the connecting frame 31 is limited by tightening the fourth limit screw 331, so that the fourth limit screw 331 is only required to be unscrewed when the adjusting head 222 is required to be rotated.

It can be understood that the fourth limiting screw 331 may further pass through the drag hook fixing module 32 at one end and be in threaded connection with the connecting frame 31, and the other end of the fourth limiting screw 331 abuts against the drag hook fixing module 32, so as to limit the rotation of the drag hook fixing module 32 relative to the connecting frame 31.

In one embodiment, as shown in fig. 1 and 6-8, the retractor fixing module 32 includes a sliding seat 321, a mounting seat 322 and a limiting member 323, the sliding seat 321 is connected to the connecting frame 31, the mounting seat 322 is slidably connected with the sliding seat 321 and is used for fixing the surgical retractor 10a, and the limiting member 323 is connected with the sliding seat 321 and the mounting seat 322 and is used for limiting the sliding of the mounting seat 322 relative to the sliding seat 321. Specifically, the sliding seat 321 can realize connection of the retractor fixing module 32 and the connecting frame 31, the mounting seat 322 can realize fixation of the surgical retractor 10a, when the surgical operation is performed, the surgical retractor 10a hooks a surgical wound, the size of the wound can be adjusted by sliding the mounting seat 322 along the sliding seat 321, and after the size of the wound is adjusted, the sliding of the mounting seat 322 is limited by the limiting piece 323, so that the surgical operation of a doctor is facilitated.

It can be appreciated that the limiting part 323 can be a clamping part for clamping the sliding seat 321 and the mounting seat 322, so as to limit the sliding of the mounting seat 322, and the sliding cavity is arranged in the sliding seat 321, the mounting seat 322 is slidably connected to the sliding cavity, and the limiting part 323 passes through the sliding seat 321 and enters the sliding cavity to abut against the surface of the mounting seat 322, so as to limit the sliding of the sliding seat 321 along the mounting seat 322.

In one embodiment, the fourth limit screw 331 is threadedly coupled to the sliding base 321.

In one embodiment, as shown in fig. 8, a locking tooth 3221 is disposed on a surface of the mounting seat 322, one end of the limiting member 323 is rotatably connected with the sliding seat 321, and the retractor fixing module 32 further includes an elastic member 324, where the elastic member 324 is connected with the sliding seat 321 and the limiting member 323, and is used for driving the other end of the limiting member 323 to be clamped with the locking tooth 3221. Specifically, the locking force between the limiting member 323 and the locking tooth 3221 can be lifted by the elastic member 324 through the clamping connection between the limiting member 323 and the locking tooth 3221, so that the sliding of the mounting seat 322 relative to the sliding seat 321 can be effectively limited.

In one embodiment, the elastic member 324 is a compression spring, one end of the compression spring abuts against a side of the compression spring away from the lock tooth 3221, and the other end of the compression spring abuts against the sliding seat 321.

It can be understood that the elastic member 324 may also be a torsion spring installed at the rotation connection position of the elastic member 324 and the sliding seat 321, and the limiting member 323 and the locking teeth 3221 are clamped by the torsion force of the torsion spring.

In one embodiment, as shown in fig. 8, the sides of the locking teeth 3221 and the limiting member 323, which are close to the surgical retractor 10a, are vertical planes, and the sides of the locking teeth 3221 and the limiting member 323, which are far away from the surgical retractor 10a, are inclined planes. Because the lock tooth 3221 and the one side of locating part 323 that keep away from operation drag hook 10a are the inclined plane for mount pad 322 can slide along sliding seat 321 towards the direction of keeping away from operation drag hook 10a, and then can draw the operation wound of operation process big, and offset through the vertical plane of lock tooth 3221 and the vertical plane of operation drag hook 10a, mount pad 322 can't slide along sliding seat 321 towards the direction of operation drag hook 10a, make mount pad 322 can not slide by oneself under the pulling force effect of operation wound, when realizing the regulation to operation wound size, can guarantee operation drag hook 10 a's stability.

In one embodiment, as shown in fig. 1 and 6-7, the mounting base 322 includes a base 3222, a pressing block 3223 and a locking handle 3224, the pressing block 3223 is located at one side of the base 3222 and forms a retractor mounting cavity with the base 3222 for installing a hand-pulled hook, and two ends of the locking handle 3224 are respectively connected with the base 3222 and the pressing block 3223 for driving the base 3222 and the pressing block 3223 to clamp the surgical retractor 10a. Specifically, the pressing operation retractor 10a is provided to the pressing block 3223 through the lock handle 3224, the fixing of the retractor is realized, and when the pressing force of the lock handle 3224 on the pressing block 3223 is withdrawn, the retractor and the pressing block 3223 can be replaced so as to be suitable for the installation of the retractor with any shape, and the practicality of the operation retractor fixing device is further improved.

In one embodiment, as shown in fig. 1 and 6-7, the mounting seat 322 further includes a limiting protrusion 3225, the limiting protrusion 3225 is fixed on the surface of the seat 3222, and one end of the surgical retractor 10a mounted on the seat 3222 is sleeved on the limiting protrusion 3225. Specifically, the limit protrusion 3225 can effectively prevent the sliding of the surgical retractor 10a relative to the base 3222, and simultaneously provide positioning for the installation of the surgical retractor 10a.

In one embodiment, as shown in fig. 1 and 6-7, the lock handle 3224 passes through the pressing block 3223 and is in threaded connection with the base 3222, and the fastening of the surgical retractor 10a can be achieved by adjusting the tightness of the lock handle 3224, and the pressing block 3223 and the surgical retractor 10a can be replaced when the lock handle 3224 is unscrewed from the base 3222.

It will be appreciated that the press block 3223 may enable compression and fixation of the arbitrarily formed surgical retractor 10a, thereby enabling the retractor mounting unit 30 to mount a retractor of arbitrary shape.

According to the utility model, the surgical retractor fixing device is fixed on an operating table through the fixing seat 12, the surgical retractor 10a is adjusted along the angle in the horizontal direction through the rotary connection of the adjusting seat 21 and the supporting rod 11, the surgical retractor fixing device is reduced to a smaller range through the rotation of the adjusting frame 221 relative to the adjusting seat 21, the rotation of the adjusting head 222 relative to the adjusting frame 221 and the rotation of the sliding seat 321 relative to the connecting frame 31, a plurality of degrees of freedom of the surgical retractor 10a along the vertical direction are realized, the adjustment of the angle of the surgical retractor 10a along the vertical direction is realized, the compression setting of the seat 3222 and the pressing block 3223 on the surgical retractor 10a is realized, the flexible adjustment of the surgical retractor 10a is realized through the combination of the multiple degrees of freedom, the clinical adaptability of the surgical retractor fixing device is improved, meanwhile, the surgical retractor fixing device can be reduced to a smaller range in the surgical retractor fixing device occupation surgery space in the surgical operation process, the surgical retractor fixing device is simple in structure and convenient to disassemble, convenience is provided for postoperative cleaning of the surgical retractor fixing device, the compression setting of the surgical retractor 10a through the seat 3222 and the pressing block 3223, and the surgical retractor 10a convenient to disassemble and assemble and disassemble.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims (10)

1. A surgical retractor fixation apparatus comprising:

a fixing unit (10);

the adjusting unit (20), the adjusting unit (20) comprises an adjusting seat (21) and an adjusting module (22), the adjusting seat (21) is rotationally connected with the fixing unit (10) along a first rotation direction, the adjusting module (22) is rotationally connected with the adjusting seat (21) along a second rotation direction, and the rotation axis of the adjusting seat (21) is perpendicular to the rotation axis of the adjusting module (22);

the retractor mounting unit (30), the retractor mounting unit (30) is connected with the adjusting module (22) and is used for fixing the surgical retractor (10 a).

2. Surgical retractor fixation device according to claim 1, characterized in that the adjustment unit (20) further comprises a first limit module (23), the first limit module (23) being connected to the adjustment seat (21) and to the adjustment module (22) for limiting the rotation of the adjustment module (22) relative to the adjustment seat (21).

3. Surgical retractor fixation device according to claim 2, characterized in that the adjustment seat (21) is provided with a first limit tooth (24) in the circumferential direction, the fixation unit (10) is provided with a second limit tooth (15) adapted to the first limit tooth (24) on the side close to the first limit tooth (24), the adjustment unit (20) further comprises a second limit module (25), the second limit module (25) is connected with the adjustment seat (21) and the fixation unit (10) for providing a force towards the fixation unit (10) to the adjustment seat (21) for engaging the first limit tooth (24) and the second limit tooth (15).

4. The surgical retractor fixation device of claim 2, wherein the adjustment module (22) comprises an adjustment frame (221) and an adjustment head (222), the adjustment frame (221) is rotatably connected to the adjustment seat (21) along the second rotation direction, the adjustment head (222) is rotatably connected to the adjustment frame (221) along the second rotation direction, the retractor mounting unit (30) is connected to the adjustment head (222), the adjustment unit (20) further comprises a third limit module (26), and the third limit module (26) is connected to the adjustment head (222) and the adjustment frame (221) for limiting rotation of the adjustment head (222) relative to the adjustment frame (221).

5. Surgical retractor fixing device according to any one of claims 1 to 4, further comprising a locking unit (40), wherein the retractor mounting unit (30) comprises a connecting frame (31) and a retractor fixing module (32), the connecting frame (31) is slidably connected with the adjusting unit (20), the retractor fixing module (32) is connected with the connecting frame (31) and is used for fixing the surgical retractor (10 a), and the locking unit (40) is connected with the connecting frame (31) and the adjusting unit (20) and is used for limiting the sliding of the retractor mounting unit (30) relative to the adjusting unit (20).

6. The surgical retractor fixing apparatus according to claim 5, wherein the locking unit (40) includes a locking sleeve (41) and locking members (42), the locking members (42) are fixed to the adjusting unit (20) and located in a circumferential direction of the connecting frame (31), the locking sleeve (41) is sleeved on each of the locking members (42), and the locking sleeve (41) is configured to press the locking members (42) to the connecting frame (31) by moving in a direction approaching the adjusting unit (20), so as to limit sliding of the connecting frame (31) relative to the adjusting unit (20).

7. The surgical retractor fixing apparatus according to claim 5, wherein the retractor fixing module (32) is rotatably connected to the connection frame (31) along the second rotation direction, the retractor mounting unit (30) further comprises a fourth limiting module (33), and the fourth limiting module (33) is connected to the connection frame (31) and the retractor fixing module (32) for limiting rotation of the retractor fixing module (32) relative to the connection frame (31).

8. The surgical retractor fixation device of claim 6 wherein the retractor fixation module (32) includes a sliding seat (321), a mounting seat (322), and a limiting member (323), the sliding seat (321) is connected to the connection frame (31), the mounting seat (322) is slidably connected to the sliding seat (321) and is used for fixing the surgical retractor (10 a), and the locking member (42) is connected to the sliding seat (321) and the mounting seat (322) and is used for limiting sliding of the mounting seat (322) relative to the sliding seat (321).

9. The surgical retractor fixing apparatus of claim 8, wherein a locking tooth (3221) is disposed on a surface of the mounting base (322), one end of the limiting member (323) is rotatably connected with the sliding base (321), the retractor fixing module (32) further includes an elastic member (324), and the elastic member (324) is connected with the sliding base (321) and the limiting member (323) and is used for driving the other end of the limiting member (323) to be clamped with the locking tooth (3221).

10. The surgical retractor fixing apparatus of claim 8, wherein the mounting base (322) includes a base (3222), a pressing block (3223) and a locking handle (3224), the pressing block (3223) is located at one side of the base (3222) and forms a retractor mounting cavity for a hand hook to be mounted between the pressing block (3223) and the base (3222), and the locking handle (3224) is connected with the base (3222) and the pressing block (3223) for driving the base (3222) and the pressing block (3223) to clamp the surgical retractor (10 a).