Surgical retractor

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an operation drag hook which comprises a hook piece used for hooking soft tissue of a human body and a supporting mechanism arranged at the tail end of the hook piece and used for fixing the hook piece. The supporting mechanism comprises a wire hanging plate connected with the tail end of the hook piece, pull wires movably connected to the two ends of the wire hanging plate, a supporting plate arranged at the tail ends of the pull wires and used for positioning the hook piece, and a fixing plate connected with the outer side wall of the supporting plate. The rotating roller is rotationally connected to the fixing plate and used for adjusting the distance between the hook piece and the supporting plate, the limiting column is arranged on the outer wall of the rotating roller, and the fixing assembly is arranged at the end, away from the limiting column, of the rotating roller. In the operation process, the hook piece can be pulled and powered, so that the operation of pulling the drag hook by hands can be replaced, the burden of medical staff is reduced, the opening area of a surgical site pulled by the hook piece can be conveniently adjusted according to actual requirements, and the surgical site is fully exposed.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical instruments, and in particular relates to a surgical retractor. Background Art

[0002] Surgery is one of the most common operations. During surgery, the surgical site of the patient needs to be observed and operated. However, the human skin is elastic. In order to fully expose the surgical field, surgical retractors are usually used to pull the incision. When the surgical incision is large, multiple surgical retractors are required, which requires multiple people to pull. Not only is the operation troublesome and wastes manpower, but pulling the retractors for a long time may also cause hand soreness and cause the retractors to fall out of the hands, thus affecting the progress of the operation. Utility Model Content

[0003] In view of the above problems, the purpose of the present utility model is to provide a surgical retractor to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the utility model adopts the following technical solution: a surgical retractor, comprising a hook piece for hooking human soft tissue and fully exposing the surgical site, and a supporting mechanism arranged at the tail end of the hook piece and used to fix the hook piece, the supporting mechanism comprising a hanging wire plate fixedly connected to the tail end of the hook piece, a traction wire movably connected to both ends of the hanging wire plate and used to pull the hook piece, a supporting plate with a tail end of the traction wire and used to position the hook piece, a fixing plate connected to the outer wall of the support plate, a roller rotatably connected to the fixing plate and used to adjust the distance between the hook piece and the support plate, a limiting column arranged on the outer wall of the roller and used to hang the traction wire, and a fixing component arranged at the end of the roller away from the limiting column and used to position the roller.

[0005] The beneficial effects of the utility model are as follows: by setting up a supporting mechanism, the curved hook piece can be pulled during the operation to provide power for the curved hook piece, thereby replacing the operation of pulling the hook by hand, reducing the burden on medical staff, and during the operation, it is also convenient to adjust the opening area of ​​the surgical site to pull the curved hook piece according to actual needs, thereby fully exposing the surgical site.

[0006] To be able to fix the rollers after adjusting the exposed area of ​​the surgical part:

[0007] As a further improvement of the above technical solution: the fixing assembly includes a turntable arranged at the end of the roller away from the limiting column, connecting blocks symmetrically arranged on both sides of the turntable, a fastening screw that passes through the connecting block and the turntable and is used to connect the fixing plate and the connecting block, and adjustment holes evenly opened on the fixing plate and matched with the fastening screw.

[0008] The beneficial effect of this improvement is: by setting up a fixing component, when adjusting the length of the traction line, by rotating the turntable and the roller, the traction line is driven to wrap along the roller to shorten the distance between the hook piece and the fixing plate, thereby being able to adjust the exposed area of ​​the surgical site. After the adjustment, the fastening screw is passed through the connecting block and the corresponding adjustment hole, and the fastening screw is fixed to the fixing plate with a nut.

[0009] To facilitate the turning of the rollers and turntables:

[0010] As a further improvement of the above technical solution: an L-shaped rotating handle is arranged in the middle of the turntable for facilitating the rotation of the turntable and the roller.

[0011] The beneficial effect of this improvement is that by providing a rotating handle, the rotating roller and the rotating disk can be easily rotated.

[0012] In order to avoid medical staff holding the fixation board for a long time and save labor:

[0013] As a further improvement of the above technical solution: a fastening assembly for fixing the bed body and the entire supporting mechanism is provided at the bottom of the support plate, and the fastening assembly includes a base arranged under the support plate, a clamping frame connected to the side of the base close to the bent hook piece, a locking screw threadedly connected to the upper part of the clamping screw, and a stabilizing plate arranged at the bottom end of the locking screw.

[0014] The beneficial effect of this improvement is that when the hook piece is used, the card frame is clamped on the side of the operating bed, and the stabilizing plate is driven to fit the side of the bed by turning the locking screw, so that the entire device is fixed to the bed body, thereby eliminating the need for medical staff to hold the fixing plate for a long time.

[0015] To improve the applicability of this device:

[0016] As a further improvement of the above technical solution: an electric telescopic rod is installed between the support plate and the base, which can be used to adjust the height of the hook piece.

[0017] The beneficial effect of this improvement is that by setting an electric telescopic rod, the height of the fixing plate can be adjusted according to the surgical site or the actual needs of the surgery to adjust the height of the hook piece or the stretching angle of the surgical site, thereby improving the applicability of the device.

[0018] In order to improve the stability of the hook piece in pulling the surgical site, it is helpful for the normal operation:

[0019] As a further improvement of the above technical solution: grooves for connecting and hooking the traction line are symmetrically opened on both sides of the hanging board, and the traction line is divided into two strands at one end close to the hanging board, and the two strands of the hanging board are symmetrically hooked in the two grooves.

[0020] The beneficial effect of this improvement is that the traction line is divided into two strands and hung in the grooves respectively, which can improve the stability of the traction line pulling on the hook piece, thereby improving the stability of pulling on the surgical site and facilitating the normal progress of the operation.

[0021] To prevent the traction wire from slipping out of the groove during surgery:

[0022] As a further improvement of the above technical solution: a semicircular arc-shaped groove is provided on the inner side of the groove.

[0023] The beneficial effect of this improvement is that by providing the clamping groove, the traction wire can be prevented from slipping out of the groove during the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a side view stereoscopic structural schematic diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0026] Figure 3 This is a front view structural schematic diagram of the utility model;

[0027] Figure 4 It is a schematic diagram of the front view of the cross-sectional structure of the utility model.

[0028] In the figure: 1. hook plate; 2. wire hanging plate; 3. traction line; 4. support plate; 5. fixing plate; 6. roller; 7. limit column; 8. turntable; 9. connecting block; 10. fastening screw; 11. adjustment hole; 12. rotating handle; 13. base; 14. card frame; 15. locking screw; 16. stabilizing plate; 17. electric telescopic rod; 18. groove; 19. card slot. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0030] like Figure 1-4As shown, a surgical retractor comprises a hook piece 1 for hooking human soft tissue and fully exposing a surgical site, and a supporting mechanism arranged at the tail end of the hook piece 1 and used to fix the hook piece 1, wherein the supporting mechanism comprises a hanging wire plate 2 fixedly connected to the tail end of the hook piece 1, a traction wire 3 movably connected to both ends of the hanging wire plate 2 and used to pull the hook piece, a supporting plate 4 provided with the tail end of the traction wire 3 and used to position the hook piece 1, a fixing plate 5 connected to the outer side wall of the supporting plate 4, a roller 6 rotatably connected to the fixing plate 5 and used to adjust the distance between the hook piece 1 and the supporting plate 4, a limiting column 7 arranged on the outer wall of the roller 6 and used to hang the traction wire 3, and a fixing component arranged at the end of the roller 6 away from the limiting column 7 and used to position the roller 6, By setting up a supporting mechanism, the curved hook piece 1 can be pulled during the operation to provide power for the curved hook piece 1, thereby replacing the operation of pulling the hook by hand, reducing the burden on medical staff, and during the operation, it is also convenient to adjust the opening area of ​​the curved hook piece 1 to pull the surgical site according to actual needs to fully expose the surgical site. The fixing component includes a turntable 8 arranged at the end of the roller 6 away from the limiting column 7, connecting blocks 9 symmetrically arranged on both sides of the turntable 8, a fastening screw 10 that is arranged through the connecting block and the turntable and is used to connect the fixing plate 5 and the connecting block 9, and an adjusting hole 11 that is evenly arranged on the fixing plate 5 and matches the fastening screw 10. By setting up the fixing component, when adjusting the length of the traction line 3, by rotating the turntable 8 and the roller 6 , driving the traction line 3 to wrap around the roller 6 to shorten the distance between the hook piece 1 and the fixing plate 5, so as to adjust the exposed area of ​​the surgical site. After the adjustment, the fastening screw is passed through the connecting block 9 and the corresponding adjusting hole 11, and the fastening screw is fixed to the fixing plate 5 with a nut. The middle part of the turntable 8 is provided with an L-shaped rotating handle 12 for facilitating the rotation of the turntable 8 and the roller 6. By providing the rotating handle 12, the roller 6 and the turntable 8 can be easily rotated. The bottom of the support plate 4 is provided with a fastening assembly for fixing the bed body and the entire support mechanism, and the fastening assembly includes a base 13 arranged under the support plate 4, a card frame 14 connected to the side of the base 13 close to the hook piece 1, a locking screw 15 threadedly connected to the upper part of the card frame 14, and a locking screw 15 arranged on the locking screw The stabilizing plate 16 at the bottom of the rod 15, when using the hook piece 1, clamps the card frame 14 on the side of the operating bed, and drives the stabilizing plate 16 to fit the side of the bed by twisting the locking screw 15, so that the entire device is fixed to the bed body, thereby eliminating the need for medical staff to hold the fixing plate 5 for a long time. An electric telescopic rod 17 is installed between the support plate 4 and the base 13, which can be used to adjust the height of the hook piece 1. By setting the electric telescopic rod 17, the height of the fixing plate 5 can be adjusted according to the actual needs of the operation site or the operation to adjust the height of the hook piece 1 or the stretching angle of the operation site, thereby improving the applicability of the device. Grooves 18 for connecting the hook traction line 3 are symmetrically provided on both sides of the hanging wire plate 2. The traction line 3 is divided into two strands at one end close to the hanging wire plate 2.The two wire hanging plates 2 are symmetrically hooked in the two grooves 18, and the traction wire 3 is divided into two strands and hung in the grooves 18 respectively, which can improve the stability of the traction wire 3 pulling the hook plate 1, so as to improve the stability of pulling the surgical site, which is conducive to the normal operation. The inner side of the groove 18 is provided with a semicircular arc-shaped groove 19. By providing the groove 19, the traction wire 3 can be prevented from slipping out of the groove 18 during the operation.

[0031] The working principle and use process of the utility model are as follows: during surgery, two identical devices are taken, and the two card frames 14 are first clamped on both sides of the operating bed. The stabilizing plate 16 is driven to fit the bedside by screwing the locking screw 15, so that the entire device is fixed to the bed, thereby eliminating the need for medical staff to hold the fixing plate 5 for a long time, and then one end of the traction line 3 is hooked in the groove 18, and the other end is hooked on the limiting column 7, and then the curved hook pieces 1 in the two devices are hooked on the human soft tissue, and the human soft tissue is pulled in opposite directions to fully expose the surgical site. During the operation, the traction line 3 can be driven to wind along the roller 6 by rotating the turntable 8 and the roller 6 to shorten the distance between the curved hook piece 1 and the fixing plate 5, so that the exposed area of ​​the surgical site can be adjusted. After adjustment, the fastening screw 10 is passed through the connecting block 9 and the corresponding adjustment hole 11, and the fastening screw 10 is fixed to the fixing plate 5 with a nut.

[0032] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0033] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A surgical retractor, comprising a curved hook piece (1) for hooking human soft tissue and fully exposing a surgical site, and a supporting mechanism arranged at the tail end of the curved hook piece (1) and used to fix the curved hook piece (1), characterized in that: The support mechanism comprises a wire hanging plate (2) fixedly connected to the tail end of the hook piece (1), a traction line (3) movably connected to both ends of the wire hanging plate (2) and used for pulling the hook piece, a support plate (4) provided with the tail end of the traction line (3) and used for positioning the hook piece (1), a fixed plate (5) connected to the outer side wall of the support plate (4), a roller (6) rotatably connected to the fixed plate (5) and used for adjusting the distance between the hook piece (1) and the support plate (4), a limiting column (7) provided on the outer wall of the roller (6) and used for hanging the traction line (3), and a fixing component provided at one end of the roller (6) away from the limiting column (7) and used for positioning the roller (6).

2. A surgical retractor according to claim 1, characterized in that: The fixing assembly comprises a turntable (8) arranged at one end of the roller (6) away from the limiting column (7), connecting blocks (9) symmetrically arranged on both sides of the turntable (8), a fastening screw (10) penetrating the connecting block and the turntable and used to connect the fixing plate (5) and the connecting block (9), and an adjustment hole (11) evenly arranged on the fixing plate (5) and matched with the fastening screw (10).

3. A surgical retractor according to claim 2, characterized in that: An L-shaped rotating handle (12) is arranged in the middle of the rotating disk (8) for facilitating the rotation of the rotating disk (8) and the rotating roller (6).

4. A surgical retractor according to claim 1, characterized in that: A fastening assembly for fixing the bed body and the entire supporting mechanism is arranged at the bottom of the supporting plate (4), and the fastening assembly comprises a base (13) arranged below the supporting plate (4), a clamping frame (14) connected to the side of the base (13) close to the hook piece (1), a locking screw (15) threadedly connected to the upper part of the clamping frame (14), and a stabilizing plate (16) arranged at the bottom end of the locking screw (15).

5. A surgical retractor according to claim 4, characterized in that: An electric telescopic rod (17) is arranged between the support plate (4) and the base (13) and can be used to adjust the height of the hook piece (1).

6. A surgical retractor according to claim 1, characterized in that: Grooves (18) for connecting and hooking the traction wire (3) are symmetrically provided on both sides of the wire hanging plate (2); the traction wire (3) is divided into two strands at one end close to the wire hanging plate (2); the two strands of the wire hanging plate (2) are symmetrically hooked in the two grooves (18).

7. A surgical retractor according to claim 6, characterized in that: A semicircular arc-shaped clamping groove (19) is provided on the inner side of the groove (18).

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