Radio frequency endoscope electrode hook

Abstract

The utility model discloses a radio frequency endoscope electrode hook which comprises electrode hook bodies and a handle body used for containing the electrode hook bodies, the number of the electrode hook bodies is three, the three electrode hook bodies are all located in the handle body, and the three electrode hook bodies are sequentially arranged from bottom to top. A rotary linkage switching mechanism used for switching the electrode hook body is arranged in the handle body, the rotary linkage switching mechanism comprises a fixed shaft installed in the handle body and three rotary sleeves located on the outer surface of the fixed shaft. The three electrode hook bodies are stored by arranging the handle body, and one of the electrode hook bodies located at the two ends of the electrode hook body can be synchronously unfolded during storage when the electrode hook body located in the middle is clockwise or anticlockwise stored by medical staff through the arranged rotary linkage switching mechanism, so that storage and unfolding are synchronously carried out; and medical staff can conveniently and quickly switch and use the electrode hook bodies with different model parameters.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is radio frequency cavity mirror electrode hook. BACKGROUND

[0002] Radio frequency cavity mirror electrode hook refers to a kind of electrode instrument in combination with radio frequency technology and endoscopic surgery, its main structure includes handle, cable, electrode (hook shape) and power socket etc., wherein, electrode adopts high-hardness alloy material quality crook shape design, to ensure that electrode head is not easy to break or straighten in surgery.In endoscopic surgery, the heat effect generated by radio frequency electrode can quickly coagulate the blood vessels of bleeding site, to achieve hemostasis purpose, in addition, radio frequency technology can also be used to coagulate tissue, make it become more hard and stable, help the operation and the repair of tissue.

[0003] The existing radio frequency cavity mirror electrode hook is generally fixed in the degree of curvature and length of hook-shaped electrode of single device during use, in addition, the part of patient to be operated is not fixed during endoscopic surgery, so that medical staff must prepare more than two electrode hooks with different model parameters in advance, and move back and forth and take and place during operation, to replace electrode hook, increase the time of replacing instrument in surgery, reduce the operation efficiency, therefore, radio frequency cavity mirror electrode hook is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing radio frequency cavity mirror electrode hook to solve the problem that the degree of curvature and length of hook-shaped electrode of the existing radio frequency cavity mirror electrode hook are generally fixed design in the background art, so that medical staff must prepare more than two electrode hooks with different model parameters in advance, and move back and forth and take and place during operation, reduce the operation efficiency.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: radio frequency cavity mirror electrode hook, including electrode hook body and handle for accommodating the electrode hook body, the electrode hook body is provided with three, and three electrode hook bodies are located in the inside of handle, and three electrode hook bodies are arranged in order from bottom to top, the inside of handle is provided with rotary linkage switching mechanism for switching electrode hook body, the rotary linkage switching mechanism includes fixed shaft installed in the inside of handle, and rotary sleeve located on the outer surface of fixed shaft, the rotary sleeve is provided with three, and three rotary sleeves are arranged in order from bottom to top and at equal intervals.

[0006] Preferably, the handle is designed in U-shaped structure, the inside of handle is provided with telescopic cover for wrapping each electrode hook body, one end of telescopic cover is connected with handle.

[0007] Preferably, the rotating sleeve is rotatably arranged with the fixed shaft, the rotating sleeve is connected with the handle part of the electrode hook body, two sawtooth gears are arranged at the two ends of the rotating sleeve respectively, the two sawtooth gears are elastically arranged through the reset spring, and the adjacent two sawtooth gears are in sliding engagement, an O-ring is arranged at the middle part of each rotating sleeve in the inner part of the fixed shaft, the outer surface of the O-ring is in contact with the inner surface of the rotating sleeve, and a positioning ring is mounted on the outer surface of the fixed shaft and located at the two ends of each rotating sleeve.

[0008] Preferably, the suction mechanism further comprises a gas cylinder mounted on the outer surface of the handle body, a telescopic pipe for compressing and extracting gas is arranged in the inner part of the gas cylinder, one end of the telescopic pipe is connected with the gas cylinder, the other end of the telescopic pipe is in sliding connection with the gas cylinder, a telescopic spring for supporting the telescopic pipe is arranged in the inner part of the telescopic pipe, and the two ends of the telescopic spring are connected with the telescopic pipe.

[0009] Preferably, a pressing plate for pressing the telescopic pipe is fixedly arranged at the middle part of one end of the telescopic pipe, an air inlet and an air outlet are arranged at the two sides of the other end of the telescopic pipe respectively, the pressing plate is in sliding connection with the gas cylinder, two pull rods are mounted on the two sides of the outer surface of the pressing plate respectively, a sliding groove is formed through the outer surface of the gas cylinder and located at each pull rod, a second gas check valve is mounted on the outer end of the air inlet, and a first gas check valve is mounted on the outer end of the air outlet.

[0010] Preferably, the suction mechanism further comprises a shaped hose, a material storage cylinder, a soft suction pipe and a buckle nozzle, the shaped hose is mounted on the air inlet end of the second gas check valve, the two ends of the material storage cylinder are connected with the shaped hose and the soft suction pipe respectively, and the buckle nozzle is fixedly arranged at the tail end of the soft suction pipe.

[0011] Compared with the prior art, the radio frequency cavity mirror electrode hook has the advantages that,

[0012] The handle body is arranged to accommodate the three electrode hook bodies, and when the medical staff accommodates the electrode hook body located at the middle part in clockwise or counterclockwise direction, one of the electrode hook bodies located at the two ends of the electrode hook body is synchronously unfolded during the accommodation, so that the accommodation and unfolding are synchronously performed, the medical staff can conveniently and quickly switch and use the electrode hook bodies with different model parameters, the time for replacing instruments during the operation is reduced, and the operation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a local structure plan view of the utility model.

[0015] Figure 3 Figure 2 is a partial side sectional view of the present application Figure 1 ;

[0016] Figure 4 Figure 2 is a partial side sectional view of the present application Figure 2 .

[0017] In the drawings:

[0018] 100, handle body;

[0019] 200, rotating linkage switching mechanism; 201, rotating sleeve; 202, fixed shaft; 203, sawtooth gear; 204, reset spring; 205, O-ring; 206, positioning ring;

[0020] 300, adsorption mechanism; 301, buckle nozzle; 302, soft suction pipe; 303, material storage cylinder; 304, shaped soft tube; 305, air cylinder; 306, chute; 307, pressing plate; 308, pull rod; 309, telescopic pipe; 310, telescopic spring; 311, exhaust port; 312, first gas check valve; 313, second gas check valve; 314, air inlet;

[0021] 400, telescopic cover;

[0022] 500, electrode hook body. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4The utility model provides a technical scheme: radio frequency cavity mirror electrode hook, including electrode hook body 500 and being used for the storage of electrode hook body 500 handle 100, handle 100 is U type structure design, electrode hook body 500 is provided with three, and three electrode hook body 500 all are located inside handle 100, and three electrode hook body 500 are arranged in order from bottom to top, the curvature and length of the hook shape electrode of three electrode hook body 500 are different, that is, the model parameter of three electrode hook body 500 is different, electrode hook body 500 includes handle, cable, electrode hook shape and power socket, as prior art, the case is not described, the inside of handle 100 is provided with the telescopic cover 400 for the wrapping of each electrode hook body 500, one end of telescopic cover 400 is connected with handle 100, in the equipment, the inside of handle 100 is provided with the rotary linkage switching mechanism 200 for the switching of electrode hook body 500.

[0025] Specifically, rotary linkage switching mechanism 200 includes fixed shaft 202 installed in the inside of handle 100, and rotary sleeve 201 located on the outer surface of fixed shaft 202, rotary sleeve 201 is provided with three, and three rotary sleeves 201 are arranged in order from bottom to top and at equal intervals, and three rotary sleeves 201 correspond to three electrode hook body 500 respectively, rotary sleeve 201 is rotationally arranged with fixed shaft 202, rotary sleeve 201 is connected with the handle part of electrode hook body 500, for driving electrode hook body 500 to rotate synchronously, both ends of rotary sleeve 201 are provided with two saw gears 203, and two saw gears 203 are elastically arranged through return spring 204, and adjacent two saw gears 203 are slidingly engaged, when using, when medical staff rotates rotary sleeve 201 located in the middle part clockwise and drives corresponding electrode hook body 500 to be stored, rotary sleeve 201 located at one end of the rotary sleeve 201 can also rotate synchronously and drive corresponding electrode hook body 500 to be unfolded, in addition, when medical staff rotates rotary sleeve 201 located in the middle part counterclockwise and drives corresponding electrode hook body 500 to be stored, rotary sleeve 201 located at the other end of the rotary sleeve 201 can also rotate synchronously and drive corresponding electrode hook body 500 to be unfolded, realizing that storage and unfolding are carried out synchronously, the tooth tips of saw gears 203 at both ends of rotary sleeve 201 located in the middle part are opposite, the tooth tips of saw gears 203 at both ends of the remaining two rotary sleeves 201 are same, O-shaped ring 205 is arranged in the inside of fixed shaft 202 and located at the middle part of each rotary sleeve 201, for increasing the friction force of the joint, improving the overall stability, O-shaped ring 205 is prepared from rubber material, the outer surface of O-shaped ring 205 is in contact with the inner surface of rotary sleeve 201, and positioning ring 206 is installed on the outer surface of fixed shaft 202 and located at the position of both ends of each rotary sleeve 201, for centering rotary sleeve 201.

[0026] Further, the device further comprises an adsorption mechanism 300 for adsorbing the tissue fluid generated during the medical treatment, specifically, the adsorption mechanism 300 comprises a gas cylinder 305 mounted on the outer surface of the handle body 100, the inside of the gas cylinder 305 is provided with a telescopic pipe 309 for compressing and extracting gas, one end of the telescopic pipe 309 is connected with the gas cylinder 305, and the other end of the telescopic pipe 309 slides with the gas cylinder 305, the inside of the telescopic pipe 309 is provided with a telescopic spring 310 for supporting the telescopic pipe 309, and both ends of the telescopic spring 310 are connected with the telescopic pipe 309, the middle part of one end of the telescopic pipe 309 is fixedly provided with a pressing plate 307 for pressing the telescopic pipe 309, and both sides of the other end of the telescopic pipe 309 are respectively provided with an air inlet 314 and an air outlet 311, the pressing plate 307 is slidably arranged with the gas cylinder 305, two pull rods 308 are mounted on both sides of the outer surface of the pressing plate 307, which facilitates the medical staff to pull the pressing plate 307, a sliding groove 306 is formed through the outer surface of the gas cylinder 305 and located at the position of each pull rod 308, which is used for guiding the pull rod 308, a second gas check valve 313 is mounted at the outer end of the air inlet 314, which only allows external gas to enter the telescopic pipe 309, preventing the internal gas of the telescopic pipe 309 from flowing out, and a first gas check valve 312 is mounted at the outer end of the air outlet 311, which only allows the internal gas of the telescopic pipe 309 to flow out, preventing external gas from entering the telescopic pipe 309, the adsorption mechanism 300 further comprises a shaped hose 304, a storage cylinder 303, a soft suction pipe 302 and a buckle nozzle 301, the shaped hose 304 is mounted at the air inlet end of the second gas check valve 313, the two ends of the storage cylinder 303 are connected with the shaped hose 304 and the soft suction pipe 302 respectively, which is used for storing the absorbed tissue fluid, the distal end of the soft suction pipe 302 extends to the electrode position of the electrode hook body 500, and the buckle nozzle 301 is fixedly arranged at the distal end of the soft suction pipe 302 and buckled on the outer surface of the handle of the electrode hook body 500, which is used for fixing the soft suction pipe 302.

[0027] According to the above, the handle body 100 is arranged to accommodate three electrode hook bodies 500, and the rotary linkage switching mechanism 200 is arranged to be used when the medical staff accommodates the electrode hook body 500 located in the middle clockwise or counterclockwise, and one of the electrode hook bodies 500 located at both ends of the electrode hook body 500 will be expanded synchronously during the accommodation, so that the accommodation and expansion are synchronized, which facilitates the medical staff to quickly switch and use the electrode hook bodies 500 with different model parameters, and the use of this method reduces the time for replacing instruments during the operation and improves the operation efficiency.

[0028] Clearly and completely, the technical schemes in the embodiments of the utility model will be described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection range of the utility model.

Claims

1. A radio frequency cannula electrode hook comprising an electrode hook body (500) and a handle body (100) for housing the electrode hook body (500), characterized in that, Three electrode hook bodies (500) are arranged, and the three electrode hook bodies (500) are arranged in the handle body (100) in sequence from bottom to top.

2. The radio frequency cannula electrode of claim 1, wherein: The handle body (100) is designed in a U-shaped structure, and the handle body (100) is internally provided with an extension cover (400) for wrapping each electrode hook body (500).

3. The radio frequency cannula electrode of claim 1, wherein: The rotating sleeve (201) is rotatably arranged with the fixed shaft (202), the rotating sleeve (201) is connected with the handle part of the electrode hook body (500), both ends of the rotating sleeve (201) are provided with two sawtooth gears (203), the two sawtooth gears (203) are elastically arranged through the reset spring (204), and the adjacent two sawtooth gears (203) are slidingly engaged, the fixed shaft (202) is internally provided with a 0-shaped ring (205) at the middle position of each rotating sleeve (201), the outer surface of the 0-shaped ring (205) is in contact with the inner surface of the rotating sleeve (201), and the outer surface of the fixed shaft (202) is provided with a positioning ring (206) at both ends of each rotating sleeve (201).

4. The radio frequency cannula electrode of claim 1, wherein: Further comprising a suction mechanism (300), the suction mechanism (300) comprises a gas cylinder (305) mounted on the outer surface of the handle body (100), the inside of the gas cylinder (305) is provided with a telescopic pipe (309) for compressing and extracting gas, one end of the telescopic pipe (309) is connected with the gas cylinder (305), and the other end of the telescopic pipe (309) is slidingly connected with the gas cylinder (305), the inside of the telescopic pipe (309) is provided with a telescopic spring (310) for supporting the telescopic pipe (309), and both ends of the telescopic spring (310) are connected with the telescopic pipe (309).

5. The radio frequency cannula electrode of claim 4, wherein: The middle part of one end of the telescopic pipe (309) is fixedly provided with a pressing plate (307) for pressing the telescopic pipe (309), and the other end of the telescopic pipe (309) is provided with an air inlet (314) and an air outlet (311) on both sides, the pressing plate (307) is slidingly arranged with the gas cylinder (305), two pull rods (308) are mounted on the outer surface of the pressing plate (307) on both sides, a sliding groove (306) is formed on the outer surface of the gas cylinder (305) at the position of each pull rod (308), a second gas check valve (313) is mounted on the outer end of the air inlet (314), and a first gas check valve (312) is mounted on the outer end of the air outlet (311).

6. The radio frequency cannula electrode of claim 4, wherein: The adsorption mechanism (300) further comprises a shaped hose (304), a storage cylinder (303), a soft suction pipe (302) and a buckle nozzle (301), the shaped hose (304) is installed at the air inlet end of the second gas one-way valve (313), the two ends of the storage cylinder (303) are connected with the shaped hose (304) and the soft suction pipe (302) respectively, and the buckle nozzle (301) is fixedly arranged at the tail end of the soft suction pipe (302).

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