Pulley traction device for endoscopic ESD (Electro-Static Discharge) operation

Abstract

The utility model relates to the technical field of pulley traction devices, in particular to a pulley traction device for an endoscopic ESD (Electro-Static Discharge) operation. The technical problem that in the using process of the pulley traction device, due to the fact that most pulley traction devices are only provided with single-pulley structures, the traction tension and the traction position cannot be adjusted according to traction needs, and therefore the pulley traction device has certain limitation in the using process is solved. According to the technical scheme, the pulley traction device for the endoscopic ESD operation comprises a device mounting bottom plate and a second adjusting pulley assembly. The pulley and the elastic traction belt can be firmly connected for use through the traction connecting assembly, the traction position of the pulley can be adjusted in a lifting and left-right mode through the first adjusting pulley assembly, traction is improved, meanwhile, the second adjusting pulley assembly can assist in adjusting traction tension, and the traction effect is improved. Therefore, the pulley traction device can be used efficiently and stably, and doctors can be more efficiently helped to expose and operate submucosa better.

Description

Technical Field

[0001] The utility model relates to the technical field of pulley traction devices, in particular to a pulley traction device for endoscopic ESD surgery. Background Art

[0002] The pulley traction device currently used in endoscopic ESD surgery is mainly used to provide traction to the diseased tissue during the ESD surgery, helping doctors to better expose and operate the submucosal layer. However, the pulley traction devices currently on the market have a relatively simple structure, and most of them are only equipped with a single pulley structure, which cannot adjust the traction tension and traction position according to traction needs, resulting in certain limitations in the use of the pulley traction device. Therefore, there is an urgent need to provide a pulley traction device that can adjust the traction tension and traction position according to traction needs and can use two pulleys to meet the needs of efficient and stable traction of the pulley traction device. Utility Model Content

[0003] In order to overcome the problem that during the use of the pulley traction device, most of them only have a single pulley structure and cannot adjust the traction tension and traction position according to the traction needs, which leads to certain limitations in the use of the pulley traction device.

[0004] The technical solution of the utility model is: a pulley traction device for endoscopic ESD surgery, including a device installation base plate, a traction connection component, a first adjustment pulley component, and a second adjustment pulley component; a part for connecting a pulley and an elastic traction belt is installed at the front end of the upper part of the device installation base plate to ensure that the two are firmly connected with the traction connection component; a first adjustment pulley component for lifting and lowering adjustment and left and right adjustment of the pulley traction position is installed at the upper end of the device installation base plate; a second adjustment pulley component for auxiliary adjustment of traction tension is installed at the rear end of the upper part of the device installation base plate.

[0005] Preferably, the pulley and the elastic traction belt can be firmly connected using a traction connection assembly, and the pulley traction position can be adjusted up and down and left and right using the first adjustment pulley assembly, thereby improving traction. At the same time, the second adjustment pulley assembly can assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, and more effectively help doctors better expose and operate the submucosal layer.

[0006] Preferably, the traction connection assembly includes a pressure-bearing bottom mounting plate, a traction connector, a traction perforation and a surgical traction belt; a pressure-bearing bottom mounting plate is installed on the inner side of the device mounting bottom plate; a traction connector is installed on the upper end of the pressure-bearing bottom mounting plate; a traction perforation is provided inside the traction connector; a surgical traction belt is slidably connected to the inner side of the traction perforation, and the traction connector is used to enable the surgical traction belt to be stably and firmly connected for use.

[0007] Preferably, the first adjusting pulley assembly includes a protective outer sleeve column, an installation cavity, a hydraulic cylinder, a telescopic push rod, a limit movable plate, a protective transverse groove plate, a fixed frame plate, a rotating knob, a rotating screw, a movable sleeve block, a limit slide plate and a first pulley group; the protective outer sleeve columns are fixedly connected on both sides of the upper end of the device installation base plate; an installation cavity is opened inside the protective outer sleeve column; a hydraulic cylinder is installed inside the installation cavity; a telescopic push rod is arranged on the upper end of the hydraulic cylinder, and the telescopic push rod can be driven to move up and down by the hydraulic cylinder inside the protective outer sleeve column.

[0008] Preferably, the upper end of the telescopic push rod is fixedly connected to a limited movable plate; a protective transverse groove plate is fixedly connected to the inner side of the limited movable plate; the upper end of the protective transverse groove plate is fixedly connected to a fixed frame plate; the side end of the fixed frame plate is rotatably connected to a rotating knob; a rotating screw is installed on the side end of the rotating knob, and the limited movable plate can drive the protective transverse groove plate to move synchronously, thereby achieving a height adjustment effect, and then by turning the rotating knob, the rotating screw can rotate synchronously.

[0009] Preferably, a movable sleeve block is connected to the outer side of the rotating screw rod; the lower end of the movable sleeve block is fixedly connected to a limiting slide that slides inside the protective transverse groove plate; the lower end of the limiting slide block is installed with a first pulley group, and the movable sleeve block can be adjusted and moved left and right, and the limiting slide block can slide inside the protective transverse groove plate, so that the first pulley group can adjust the traction position of the surgical traction belt.

[0010] Preferably, the second adjusting pulley assembly includes supporting side plates, a limiting top plate, a pushing cylinder, a lifting horizontal plate, a guide moving rod, a second pulley group, a guide slide groove and a limiting block; the supporting side plates are fixedly connected to both sides of the upper rear end of the device installation base plate; the upper end of the supporting side plate is fixedly connected to the limiting top plate; a pushing cylinder is installed at the center of the upper rear end of the device installation base plate; the movable end of the pushing cylinder is fixedly connected to the lifting horizontal plate, and the pushing cylinder can drive the lifting horizontal plate to move up and down.

[0011] Preferably, guide movable rods are fixedly connected on both sides of the lifting horizontal plate; a second pulley group is installed on the upper end of the lifting horizontal plate; a guide slide groove is opened on the inner side of the supporting side plate; the upper and lower ends of the guide slide groove are fixedly connected to limit blocks, and the two sides of the guide movable rod can slide in the guide slide groove to play a guiding and limiting effect, so that the second pulley group can assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, and more efficiently help doctors better expose and operate the submucosal layer.

[0012] Beneficial effects of the utility model:

[0013] 1. The pulley and the elastic traction belt can be firmly connected by the traction connection assembly, and the pulley traction position can be adjusted up and down and left and right by the first adjustment pulley assembly, thereby improving traction. At the same time, the traction tension can be assisted by the second adjustment pulley assembly, so that the pulley traction device can be used efficiently and stably. Compared with the pulley traction devices currently on the market, which have a relatively simple structure and are mostly provided with a single pulley structure, and the traction tension and traction position cannot be adjusted according to traction needs, the pulley traction device can meet the needs of efficient and stable traction.

[0014] 2. The traction connector is used to connect the surgical traction belt stably and firmly, and the hydraulic cylinder inside the protective outer sleeve column can drive the telescopic push rod to move up and down, and the limit moving plate can drive the protective transverse groove plate to move synchronously to achieve the effect of height adjustment. Then, the rotating knob is turned, and the rotating screw can be rotated synchronously, so that the movable sleeve block can achieve the effect of left and right adjustment movement, and the limit sliding plate can slide inside the protective transverse groove plate, so that the first pulley group can adjust the traction position of the surgical traction belt;

[0015] 3. The push cylinder can drive the lifting horizontal plate to move up and down, and the two sides of the guide movable rod can slide in the guide groove to play a guiding limit effect, so that the second pulley group can assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, and more efficiently help doctors better expose and operate the submucosal layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of the pulley traction device of the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a traction connection assembly of a pulley traction device of the utility model;

[0018] Figure 3 What is shown is a three-dimensional structural schematic diagram of the first adjusting pulley assembly of the pulley traction device of the utility model;

[0019] Figure 4 What is shown is a three-dimensional structural schematic diagram of the second adjusting pulley assembly of the pulley traction device of the utility model.

[0020] Explanation of the accompanying drawings: 1. Device mounting base plate; 2. Traction connection assembly; 3. First adjusting pulley assembly; 4. Second adjusting pulley assembly; 201. Pressure-bearing bottom mounting plate; 202. Traction connector; 203. Traction perforation; 204. Surgical traction belt; 301. Protective outer sleeve column; 302. Mounting cavity; 303. Hydraulic cylinder; 304. Telescopic push rod; 305. Limiting movable plate; 306. Protective transverse groove plate; 307. Fixed frame plate; 308. Rotating knob; 309. Rotating screw; 310. Moving sleeve block; 311. Limiting slide plate; 312. First pulley group; 401. Support side plate; 402. Limiting top plate; 403. Pushing cylinder; 404. Lifting transverse plate; 405. Guide movable rod; 406. Second pulley group; 407. Guide slide groove; 408. Limiting block. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-2 The utility model provides an embodiment: a pulley traction device for endoscopic ESD surgery, including a device installation base plate 1, a traction connection component 2, a first adjustment pulley component 3, and a second adjustment pulley component 4; the upper front end of the device installation base plate 1 is installed with a part for connecting the pulley and the elastic traction belt to ensure that the two are firmly connected; the upper end of the device installation base plate 1 is installed with a first adjustment pulley component 3 for lifting and adjusting the pulley traction position to the left and right; the upper rear end of the device installation base plate 1 is installed with a second adjustment pulley component 4 for auxiliary adjustment of the traction tension, the traction connection component 2 can be used to firmly connect the pulley and the elastic traction belt, and the first adjustment pulley component 3 can be used to lift and adjust and adjust the pulley to the left and right The pulley traction position improves the traction, and the second adjustment pulley assembly 4 can be used to assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, and more efficiently help doctors better expose and operate the submucosal layer. The traction connection assembly 2 includes a pressure-bearing bottom mounting plate 201, a traction connector 202, a traction perforation 203 and a surgical traction belt 204; a pressure-bearing bottom mounting plate 201 is installed on the inner side of the device mounting bottom plate 1; a traction connector 202 is installed on the upper end of the pressure-bearing bottom mounting plate 201; a traction perforation 203 is opened inside the traction connector 202; a surgical traction belt 204 is slidably connected to the inner side of the traction perforation 203, and the traction connector 202 is used to enable the surgical traction belt 204 to be stably and firmly connected for use.

[0023] See also Figure 3In this embodiment, the first adjusting pulley assembly 3 includes a protective outer sleeve column 301, an installation cavity 302, a hydraulic cylinder 303, a telescopic push rod 304, a limit movable plate 305, a protective transverse groove plate 306, a fixed frame plate 307, a rotating knob 308, a rotating screw 309, a movable sleeve block 310, a limit slide plate 311 and a first pulley group 312; both sides of the upper end of the device installation base plate 1 are fixedly connected with the protective outer sleeve column 301; the protective outer sleeve column 301 is provided with an installation cavity 302; the installation cavity 302 is installed with a hydraulic cylinder 303; the upper end of the hydraulic cylinder 303 is provided with a telescopic push rod 304, and the hydraulic cylinder 303 inside the protective outer sleeve column 301 can drive the telescopic push rod 304 to move up and down, and the upper end of the telescopic push rod 304 is fixedly connected to the limit movable plate 305; the inner side of the limit movable plate 305 is fixedly connected with the protective transverse groove plate 30 6; The upper end of the protective transverse groove plate 306 is fixedly connected to a fixed frame plate 307; the side end of the fixed frame plate 307 is rotatably connected to a rotating knob 308; a rotating screw 309 is installed on the side end of the rotating knob 308, and the limiting movable plate 305 can drive the protective transverse groove plate 306 to move synchronously, thereby achieving a height adjustment effect, and then the rotating knob 308 is rotated, the rotating screw 309 can rotate synchronously, and the outer side of the rotating screw 309 is transmission-connected with a movable sleeve block 310; the lower end of the movable sleeve block 310 is fixedly connected to a limiting slide plate 311 that slides inside the protective transverse groove plate 306; the lower end of the limiting slide plate 311 is installed with a first pulley group 312, the movable sleeve block 310 can achieve a left and right adjustment movement effect, and the limiting slide plate 311 can slide inside the protective transverse groove plate 306, so that the first pulley group 312 can adjust the traction position of the surgical traction belt 204.

[0024] See also Figure 4In this embodiment, the second adjusting pulley assembly 4 includes a supporting side plate 401, a limiting top plate 402, a pushing cylinder 403, a lifting horizontal plate 404, a guide moving rod 405, a second pulley group 406, a guide slide groove 407 and a limiting block 408; both sides of the upper rear end of the device installation base plate 1 are fixedly connected with the supporting side plates 401; the upper end of the supporting side plate 401 is fixedly connected to the limiting top plate 402; a pushing cylinder 403 is installed at the center of the upper rear end of the device installation base plate 1; the movable end of the pushing cylinder 403 is fixedly connected with the lifting horizontal plate 404, and the pushing cylinder 403 can drive the lifting horizontal plate 4 04 moves up and down, and both sides of the lifting horizontal plate 404 are fixedly connected with guide moving rods 405; the upper end of the lifting horizontal plate 404 is installed with a second pulley group 406; the inner side of the supporting side plate 401 is provided with a guide slide groove 407; the upper and lower ends of the guide slide groove 407 are fixedly connected with limit blocks 408, and both sides of the guide moving rod 405 can slide in the guide slide groove 407 to play a guiding and limiting effect, so that the second pulley group 406 can assist in adjusting the size of the traction tension, so that the pulley traction device can be used efficiently and stably, and more efficiently help doctors better expose and operate the submucosal layer.

[0025] During operation, the surgical traction belt 204 can be stably and firmly connected through the traction connector 202;

[0026] Then, the hydraulic cylinder 303 inside the protective outer sleeve column 301 can drive the telescopic push rod 304 to move up and down, and the limit moving plate 305 can drive the protective transverse groove plate 306 to move synchronously, thereby achieving the effect of height adjustment;

[0027] Then, the rotating knob 308 is turned, and the rotating screw 309 can be rotated synchronously, so that the movable sleeve 310 can achieve the effect of left and right adjustment movement, and the limiting slide plate 311 can slide inside the protective transverse groove plate 306, so that the first pulley group 312 can adjust the traction position of the surgical traction belt 204;

[0028] The pushing cylinder 403 can drive the lifting horizontal plate 404 to move up and down, and the two sides of the guide movable rod 405 can slide in the guide slide groove 407 to play a guiding and limiting effect, so that the second pulley group 406 can assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, and more effectively help doctors better expose and operate the submucosal layer.

[0029] Through the above steps, the set traction connection component 2 can firmly connect the pulley and the elastic traction belt for use, and the first adjustment pulley component 3 can be used to adjust the pulley traction position up and down and left and right, thereby improving traction. At the same time, the second adjustment pulley component 4 can assist in adjusting the traction tension, so that the pulley traction device can be used efficiently and stably, so as to solve the problem that during the use of the pulley traction device, the traction tension and traction position cannot be adjusted according to the traction needs because most of them are only provided with a single pulley structure, which leads to certain limitations in the use of the pulley traction device.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A pulley traction device for endoscopic ESD surgery, comprising a device mounting base (1); characterized in that: The device also comprises a traction connection assembly (2), a first adjustment pulley assembly (3), and a second adjustment pulley assembly (4); a part for connecting a pulley and an elastic traction belt is installed at the front end of the upper part of the device installation base plate (1), so as to ensure that the two are firmly connected to the traction connection assembly (2); a first adjustment pulley assembly (3) for adjusting the lifting and lowering and left-right adjustment of the traction position of the pulley is installed at the upper end of the device installation base plate (1); and a second adjustment pulley assembly (4) for auxiliary adjustment of the traction tension is installed at the rear end of the upper part of the device installation base plate (1).

2. The pulley traction device for endoscopic ESD surgery according to claim 1, characterized in that: The traction connection assembly (2) comprises a pressure-bearing bottom mounting plate (201), a traction connector (202), a traction through hole (203) and a surgical traction belt (204); the pressure-bearing bottom mounting plate (201) is mounted on the inner side of the device mounting bottom plate (1); the traction connector (202) is mounted on the upper end of the pressure-bearing bottom mounting plate (201); the traction through hole (203) is provided inside the traction connector (202); and the surgical traction belt (204) is slidably connected to the inner side of the traction through hole (203).

3. The pulley traction device for endoscopic ESD according to claim 1, characterized in that: The first adjusting pulley assembly (3) comprises a protective outer sleeve column (301), an installation cavity (302), a hydraulic cylinder (303), a telescopic push rod (304), a limit movable plate (305), a protective transverse groove plate (306), a fixed frame plate (307), a rotating knob (308), a rotating screw (309), a movable sleeve block (310), a limit slide plate (311) and a first pulley block (312); the protective outer sleeve column (301) is fixedly connected to both sides of the upper end of the device installation base plate (1); the protective outer sleeve column (301) is provided with an installation cavity (302) inside; the hydraulic cylinder (303) is installed inside the installation cavity (302); and the telescopic push rod (304) is arranged at the upper end of the hydraulic cylinder (303).

4. The pulley traction device for endoscopic ESD according to claim 3, characterized in that: The upper end of the telescopic push rod (304) is fixedly connected to a limited movable plate (305); the inner side of the limited movable plate (305) is fixedly connected to a protective transverse groove plate (306); the upper end of the protective transverse groove plate (306) is fixedly connected to a fixed frame plate (307); the side end of the fixed frame plate (307) is rotatably connected to a rotating knob (308); and the side end of the rotating knob (308) is installed with a rotating screw (309).

5. The pulley traction device for endoscopic ESD surgery according to claim 4, characterized in that: The outer side of the rotating screw rod (309) is transmission-connected with a movable sleeve block (310); the lower end of the movable sleeve block (310) is fixedly connected with a limiting slide plate (311) that slides inside the protective transverse groove plate (306); and the lower end of the limiting slide plate (311) is installed with a first pulley group (312).

6. The pulley traction device for endoscopic ESD surgery according to claim 1, characterized in that: The second adjusting pulley assembly (4) comprises a supporting side plate (401), a limiting top plate (402), a pushing cylinder (403), a lifting horizontal plate (404), a guide moving rod (405), a second pulley group (406), a guide slide groove (407) and a limiting block (408); both sides of the upper rear end of the device installation base plate (1) are fixedly connected with the supporting side plates (401); the upper end of the supporting side plate (401) is fixedly connected with the limiting top plate (402); a pushing cylinder (403) is installed at the center of the upper rear end of the device installation base plate (1); and the movable end of the pushing cylinder (403) is fixedly connected with the lifting horizontal plate (404).

7. The pulley traction device for endoscopic ESD according to claim 6, characterized in that: Both sides of the lifting horizontal plate (404) are fixedly connected with guide moving rods (405); the upper end of the lifting horizontal plate (404) is installed with a second pulley group (406); the inner side of the supporting side plate (401) is provided with a guide sliding groove (407); The upper and lower ends of the guide slide groove (407) are fixedly connected to limit stoppers (408).

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