CN219089428U - Retractor for spinal surgery - Google Patents

Abstract

The utility model relates to the technical field of medical appliances, in particular to a spinal surgery retractor, which comprises a mounting rack, a locking piece, a retractor and an adjusting component, wherein the adjusting component comprises a moving member, a mounting sleeve, a lifting threaded rod, a threaded sleeve, a driving member and a control member, the moving member, the mounting sleeve, the lifting threaded rod, the threaded sleeve and the driving member are respectively arranged on the two mounting racks, the control member can drive the two retractors to be mutually close to or far away from each other, the mounting sleeve and the lifting threaded rod are driven to move by the moving member, the control member and the retractor are driven to move by the driving member, the lifting threaded rod is driven to lift by the lifting threaded rod, and the control member and the retractor are driven to lift, so that the retractor can be adjusted in height, and the position of the retractor is conveniently adjusted to adapt to the purposes of patients with different body types.

Description

A retractor for spinal surgery

technical field

The utility model relates to the technical field of medical instruments, in particular to a retractor for spinal surgery.

Background technique

In spinal surgery, it is necessary to use the surgical retractor to pull the skin tissue at the surgical site, exposing a larger area of surgical space, so as to ensure the smooth progress of the operation. During the operation, it is necessary for the medical staff to hold the surgical retractor in fact. The position of the retractor is fixed, and after the retractor rests the hand, the retractor will be displaced under the restoring force of the skin tissue, thereby closing the skin tissue at the surgical site and increasing the workload of medical personnel.

Prior art CN214966047U discloses a retractor for orthopedic spine surgery, which includes a support column. There are two support columns, and the surfaces of the two support columns are sleeved with sliding sleeves. , fixed plate and spring, etc., during the operation, lighting is provided to facilitate the operation, the shadowless lamp can be disassembled, and the shadowless lamp can be removed from the horizontal plate, so as to facilitate the disinfection of the shadowless lamp and avoid infection. Through the setting of the first threaded rod, threaded barrel, driven bevel gear, driving bevel gear and adjusting rod, etc., the first retractor and the second retractor are driven away from each other or approached to each other, so as to avoid the closure of the skin tissue at the surgical site, thereby eliminating the need for The medical staff manually pulls the surgical retractor, which reduces the operating burden of the medical staff.

The above-mentioned device erects the supporting column on the operating table through a fixed structure, and then rotates the adjusting rod, so that the adjusting rod drives the driving bevel gear and the first threaded rod to rotate, so that the two first threaded rods drive the first pull hook and the second pull hook away, This can facilitate the operation of medical personnel, but the position of the first draw hook and the second draw hook is inconvenient to adjust, and it is inconvenient to adjust the position of the first draw hook and the second draw hook when performing operations on patients of different sizes.

Utility model content

The purpose of the utility model is to provide a retractor for spinal surgery, which solves the problem that it is inconvenient to adjust the positions of the first retractor and the second retractor when operating on patients with different body types.

In order to achieve the above object, the utility model provides a retractor for spinal surgery, comprising a mounting frame, a locking piece and a retracting hook, the locking piece is threadedly mounted on the mounting frame, and also includes a An adjustment assembly between drag hooks; the adjustment assembly includes a moving member, a mounting sleeve, a lifting threaded rod, a threaded sleeve, a driving member and a control member, the moving member is arranged on the mounting frame, and the mounting sleeve passes through the The moving member is connected with the mounting frame, the lifting threaded rod is rotatably connected with the mounting sleeve, and is located inside the mounting sleeve, and the threaded sleeve is threaded with the lifting threaded rod, and is sleeved on the lifting On the threaded rod, the driving member is arranged on the mounting sleeve, and drives the lifting threaded rod to rotate, the control member is arranged on the threaded sleeve, and the drag hook is connected to the threaded rod through the control member. set of connections.

Wherein, the moving member includes a casing, a moving threaded rod and a moving seat, the casing is fixedly connected to the mounting frame and is located on one side of the mounting frame; the moving threaded rod is rotatably connected to the casing, and Located inside the housing; the moving base is threadedly connected to the moving threaded rod, fixedly connected to the installation sleeve, and sleeved on the moving threaded rod.

Wherein, the driving member includes a worm wheel and a worm, and the worm wheel is fixedly connected with the lifting threaded rod and sleeved on the lifting threaded rod; the worm is rotatably connected with the mounting sleeve, and is connected with the worm wheel Engage and set on the mounting sleeve.

Wherein, the control member includes a frame body and a two-way screw rod, the frame body is fixedly connected with the threaded sleeve, and is located on the side of the threaded sleeve away from the mounting frame; the two-way screw rod rotates with the frame body connected, and screwed with the pull hook, and arranged on the frame body.

Wherein, the locking member includes an abutment plate and a locking threaded rod, and the locking threaded rod is threadedly connected with the mounting frame and arranged on the mounting frame; the abutting plate and the locking threaded rod The threaded rod is fixedly connected and located at one end of the locking threaded rod.

A retractor for spinal surgery of the present utility model drives the installation sleeve and the lifting threaded rod to move through the moving member, and then drives the control member and the retractor to move, so that the retractor can move to a suitable position. position, through the driving member to control the rotation of the lifting threaded rod, the lifting threaded rod drives the threaded sleeve to go up and down, and then drives the control member and the pull hook to go up and down, so that the pull hook can The height can be adjusted to facilitate the adjustment of the position of the retractor to suit patients of different sizes.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following briefly introduces the drawings that are required in the description of the embodiments or the prior art.

Fig. 1 is a schematic diagram of the overall structure of the retractor for spinal surgery according to the first embodiment of the present invention.

Fig. 2 is a schematic diagram of the installation structure of the two-way screw of the first embodiment of the present invention.

Fig. 3 is a schematic diagram of the installation structure of the moving threaded rod according to the first embodiment of the present invention.

Fig. 4 is an enlarged view of A in Fig. 3 of the first embodiment of the present invention.

Fig. 5 is a schematic diagram of the installation structure of the abutment plate of the second embodiment of the present invention.

In the figure: 101-mounting frame, 102-locking piece, 103-retractor, 104-adjustment component, 105-moving member, 106-installation sleeve, 107-lifting threaded rod, 108-threaded sleeve, 109-driving member, 110 -control member, 111-housing, 112-moving threaded rod, 113-moving seat, 114-worm gear, 115-worm, 116-frame, 117-two-way screw, 201-abutting plate, 202-locking threaded rod.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, and the embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and cannot be understood as Limitations on the Invention.

First embodiment:

Please refer to Figures 1 to 4, where Figure 1 is a schematic diagram of the overall structure of the retractor for spinal surgery, Figure 2 is a schematic diagram of the installation structure of the two-way screw, Figure 3 is a schematic diagram of the installation structure of the mobile threaded rod, and Figure 4 is an enlarged view of A in Figure 3 picture.

The utility model provides a retractor for spinal surgery, which includes a mounting frame 101, a locking member 102, a retractor 103 and an adjustment assembly 104. The adjustment assembly 104 includes a moving member 105, an installation sleeve 106, a lifting threaded rod 107, a threaded sleeve 108, Driving member 109 and control member 110, described moving member 105 comprises casing 111, moving threaded rod 112 and moving seat 113, described driving member 109 comprises worm wheel 114 and worm screw 115, and described control member 110 comprises frame body 116 and two-way screw 117, the moving member 105 drives the installation sleeve 106, the lifting threaded rod 107, the control member 110 and the draw hook 103 to move, so that the draw hook 103 can move to a suitable position, and through the driving The member 109 drives the lifting threaded rod 107 to rotate, and then drives the threaded sleeve 108 to lift, and then drives the control member 110 and the drag hook 103 to lift, so that the drag hook 103 can adjust the position conveniently, it can be understood What’s more, the aforementioned solution can be used when a patient undergoes spinal surgery, and can also be used to solve the problem of the existing orthopedic spinal surgery retractor, which is inconvenient to adjust the position of the first retractor and the second retractor when operating on patients of different sizes. on the issue.

For this specific embodiment, the locking member 102 is threadedly mounted on the mounting frame 101, two mounting frames 101 are provided, and one mounting frame 101 is provided with multiple locking members 102, The mounting frame 101 is C-shaped. When in use, the two mounting frames 101 are clamped on both sides of the operating table, and then the locking member 102 is rotated so that the locking member 102 abuts against the operating table. , and then fix the installation frame 101 on the operating table, and two pull hooks 103 are provided.

Wherein, the moving member 105 is arranged on the mounting frame 101, the mounting sleeve 106 is connected with the mounting frame 101 through the moving member 105, the lifting threaded rod 107 is rotationally connected with the mounting sleeve 106, And located inside the mounting sleeve 106, the threaded sleeve 108 is threadedly connected with the lifting threaded rod 107 and sleeved on the lifting threaded rod 107, the driving member 109 is arranged on the mounting sleeve 106, And drive the lifting threaded rod 107 to rotate, the control member 110 is arranged on the threaded sleeve 108, the drag hook 103 is connected with the threaded sleeve 108 through the control member 110, the moving member 105, the The installation sleeve 106, the lifting threaded rod 107, the threaded sleeve 108 and the driving member 109 are respectively provided with two, and are respectively arranged on the two installation frames 101, and the control member 110 can drive two The two pull hooks 103 are close to or far away from each other, and then the patient's skin is pulled apart, and the installation sleeve 106 and the lifting threaded rod 107 are driven by the moving member 105 to move, thereby driving the control member 110 and the The drag hook 103 moves so that the drag hook 103 can move to a suitable position, and the rotation of the lifting threaded rod 107 is controlled by the driving member 109, so that the lifting threaded rod 107 drives the threaded sleeve 108 to go up and down, and then drives The control member 110 and the drag hook 103 are raised and lowered, so that the height of the drag hook 103 can be adjusted, and the position of the drag hook 103 can be conveniently adjusted to suit patients of different sizes.

Secondly, the housing 111 is fixedly connected with the mounting frame 101 and is located on one side of the mounting frame 101; the moving threaded rod 112 is rotationally connected with the housing 111 and is located inside the housing 111; The moving seat 113 is threadedly connected with the moving threaded rod 112, and is fixedly connected with the installation sleeve 106, and is sleeved on the moving threaded rod 112. One end of the moving threaded rod 112 is provided with a rotating handle, which is convenient The medical staff rotates the moving threaded rod 112, drives the moving seat 113 to move through the rotation of the moving threaded rod 112, and then drives the installation sleeve 106 to move, thereby realizing the purpose of driving the installation sleeve 106 to move .

At the same time, the worm wheel 114 is fixedly connected with the lifting threaded rod 107 and sleeved on the lifting threaded rod 107; the worm 115 is rotatably connected with the mounting sleeve 106 and meshed with the worm wheel 114, and It is arranged on the installation sleeve 106, when the height of the pull hook 103 is adjusted, the worm 115 is rotated, so that the worm 115 drives the worm wheel 114 to rotate, and then drives the lifting threaded rod 107 to rotate, so that The lifting threaded rod 107 drives the threaded sleeve 108 to move, so as to achieve the purpose of driving the lifting threaded rod 107 to rotate.

In addition, the frame body 116 is fixedly connected with the threaded sleeve 108 and is located on the side of the threaded sleeve 108 away from the installation frame 101; the two-way screw 117 is rotatably connected with the frame body 116 and connected with the The pull hooks 103 are threaded and arranged on the frame body 116. Both sides of the two-way screw 117 are provided with threads, and the directions of the threads on both sides are opposite. The two pull hooks 103 are arranged on the two-way screw 117. On both sides, the medical personnel rotate the two-way screw 117 to drive the two pull hooks 103 to approach or move away from each other, so as to achieve the purpose of pulling the patient's skin apart.

When using the retractor for spinal surgery in this embodiment to adjust the position of the retractor 103, first fix the installation frame 101 on the operating bed by rotating the locking member 102, and then rotate the moving threaded rod 112 according to the operation position , so that the moving threaded rod 112 drives the moving seat 113 to move, and then drives the mounting sleeve 106, the lifting threaded rod 107, the threaded sleeve 108, the frame body 116, the two-way screw rod 117 and The drag hook 103 moves so that the drag hook 103 can move to a suitable position, and then by turning the worm 115, the worm 115 drives the worm wheel 114 to rotate, and then drives the lifting threaded rod 107 to rotate, so that the The lifting threaded rod 107 drives the threaded sleeve 108 to lift, and then drives the frame body 116, the two-way screw 117 and the pull hook 103 to lift, so that the pull hook 103 can move to the patient, and finally by rotating the The two-way screw 117 pulls the patient's skin apart, so that the position of the retractor 103 can be adjusted conveniently, and the operation can be performed on patients of different sizes.

Second embodiment:

On the basis of the first embodiment, please refer to FIG. 5, which is a schematic diagram of the installation structure of the abutment plate of the second embodiment. The locking member 102 in this embodiment includes an abutment plate 201 and a locking threaded rod 202.

For this specific embodiment, the locking threaded rod 202 is threadedly connected with the mounting frame 101 and is arranged on the mounting frame 101; the abutment plate 201 is fixedly connected with the locking threaded rod 202, and Located at one end of the locking threaded rod 202, through the threaded connection between the locking threaded rod 202 and the mounting frame 101, the rotation of the locking threaded rod 202 can move on the mounting frame 101, Further, the abutting plate 201 is driven to move, so that the abutting plate 201 abuts against the operating bed, increasing the contact area with the operating bed, and improving the fixing effect on the mounting frame 101 .

What is disclosed above is only one or more preferred embodiments of the present application, and should not be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the process of realizing the above embodiments, and according to this The equivalent changes made in the claims of the application still belong to the scope covered by the application.

Claims (5)

1. The spinal surgery retractor comprises a mounting frame, a locking piece and a retractor, wherein the locking piece is arranged on the mounting frame in a threaded manner,

the adjusting assembly is positioned between the mounting frame and the draw hook;

the adjusting component comprises a moving member, a mounting sleeve, a lifting threaded rod, a threaded sleeve, a driving member and a control member, wherein the moving member is arranged on the mounting frame, the mounting sleeve is connected with the mounting frame through the moving member, the lifting threaded rod is rotationally connected with the mounting sleeve and is positioned inside the mounting sleeve, the threaded sleeve is in threaded connection with the lifting threaded rod and is sleeved on the lifting threaded rod, the driving member is arranged on the mounting sleeve and drives the lifting threaded rod to rotate, the control member is arranged on the threaded sleeve, and the draw hook is connected with the threaded sleeve through the control member.

2. The spinal surgical retractor of claim 1,

the movable member comprises a shell, a movable threaded rod and a movable seat, wherein the shell is fixedly connected with the mounting frame and is positioned at one side of the mounting frame; the movable threaded rod is rotatably connected with the shell and is positioned in the shell; the movable seat is in threaded connection with the movable threaded rod, is fixedly connected with the mounting sleeve, and is sleeved on the movable threaded rod.

3. The spinal surgical retractor of claim 1,

the driving component comprises a worm wheel and a worm, and the worm wheel is fixedly connected with the lifting threaded rod and sleeved on the lifting threaded rod; the worm is rotatably connected with the mounting sleeve, meshed with the worm wheel and arranged on the mounting sleeve.

4. The spinal surgical retractor of claim 1,

the control component comprises a frame body and a bidirectional screw rod, wherein the frame body is fixedly connected with the threaded sleeve and is positioned at one side of the threaded sleeve far away from the mounting frame; the bidirectional screw rod is rotationally connected with the frame body, is in threaded connection with the draw hook and is arranged on the frame body.

5. The spinal surgical retractor of claim 1,

the locking piece comprises an abutting plate and a locking threaded rod, and the locking threaded rod is in threaded connection with the mounting frame and is arranged on the mounting frame; the abutting plate is fixedly connected with the locking threaded rod and is positioned at one end of the locking threaded rod.

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