CN211484467U

CN211484467U - Four-way examination endoscope with double shift rods

Info

Publication number: CN211484467U
Application number: CN201921292423.XU
Authority: CN
Inventors: 张俊俊; 辜嘉; 申屠群英; 杜雅舟
Original assignee: Hangzhou Huitong Medical Equipment Co ltd
Current assignee: Hangzhou Huitong Medical Equipment Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-09-15
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a four-way examination endoscope with double shift levers, which mainly comprises a handle end, a handheld end, a tail end and a tail support; the handle end consists of a handle body and a handle side cover covering one side of the handle body, the lower part of the handle body is connected with a handheld end, and the lower part of the handheld end is sequentially connected with a tail end and a tail support; the left end and the right end of the handle body are communicated, the two rotating wheel cores are arranged in the handle body in a bilateral symmetry mode, and the periphery of each rotating wheel core is wound with a rotating wheel core traction steel wire. The utility model simplifies the internal structure of the endoscope, so that the left side and the right side of the endoscope body have the same structure, two directions are added on the basis of supporting two directions, the effect of four-way control is realized, the use is more convenient and the operation is better; only four steel wire ropes, four spring tubes and a signal transmission wire are arranged in the intubation tube, so that the sectional area of the intubation part is greatly reduced, and the pain of a patient caused by the caliber of the intubation tube can be effectively relieved; the handle is provided with a large space inside, so that the utility model has good portability.

Description

Four-way examination endoscope with double shift rods

Technical Field

The utility model relates to the field of medical equipment, concretely relates to quadriversal examination endoscope of two driving levers.

Background

Endoscopes are widely used in various medical examinations or operations, and doctors can see lesions which cannot be displayed by X-rays by means of a video display device carried by the endoscopes, so that an optimal treatment scheme can be prepared. At present, a bidirectional deflector rod endoscope or a side knob type four-way endoscope is mostly adopted in the medical field. Because the other side of the poking rod endoscope cannot be fully utilized due to the problems of wiring or pipelines and the like in the poking rod endoscope, a poking rod type four-way endoscope with simple structure and convenient use is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a four-way examination endoscope with two shift levers, which has the advantages of safe and reliable structure and convenient and fast operation.

The purpose of the utility model is accomplished through following technical scheme: the four-way examination endoscope with the double shift levers mainly comprises a handle end, a handheld end, a tail end and a tail support; the handle end consists of a handle body and a handle side cover covering one side of the handle body, the lower part of the handle body is connected with a handheld end, and the lower part of the handheld end is sequentially connected with a tail end and a tail support; the left end and the right end of the handle body are communicated, the two rotating wheel cores are arranged in the handle body in a bilateral symmetry mode, a rotating wheel core outer sleeve is sleeved outside each rotating wheel core for sealing, the rotating wheel core outer sleeve is matched with the rotating wheel shell and is sealed through a sealing ring, and the rotating wheel core and the rotating wheel shell are fixed through a fixing screw A and are sealed outside the rotating wheel core outer sleeve; the deflector rod is provided with a groove which is matched with the bulge on the rotating wheel core, and the deflector rod is fixedly connected with the rotating wheel core through a fixing screw B, so that the steering force applied to the deflector rod can be transmitted to the rotating wheel core; the periphery of each rotating wheel core is wound with a rotating wheel core traction steel wire consisting of a section of traction steel wire and two connecting pieces, the support frame is arranged in a combination body of the handle end and the handheld end and used for providing a movable space of the traction steel wire, the connecting pieces are connected with a wire structure arranged below the support frame and used for providing an access channel for the traction steel wire, the connecting joint member is fixedly connected with the lower end of the support frame, the handheld end and the tail end are fixedly connected, the fastening screw A is matched with the insertion pipe matched connecting piece and is fixedly connected in the connecting joint member, and the fastening screw B is matched with the connecting structural piece and is fixedly connected in the handheld end; the signal connecting piece for transmitting data is arranged at the top of the handle body of the handle; the shifting rods on the two sides are rotated to respectively drive the rotating wheel cores on the two sides to rotate, and the rotating wheel cores are controlled to pull steel wires to pull, so that a four-way control effect is achieved.

Furthermore, a plurality of pins are fixed on the rotating wheel core, and the rotating wheel core angle limiting parts are arranged on the rotating wheel core, so that the rotating wheel core can only move within the fixed range of the pins.

Furthermore, the signal connecting piece has good waterproofness.

Furthermore, the handle side cover is of a detachable structure, and after the handle side cover is taken down, the endoscope can be driven to operate by a driving lever on one side.

The utility model has the advantages that: the endoscope has the advantages that the internal structure of the endoscope is simplified, the left side and the right side of the endoscope body have the same structure, and two directions are added on the basis of supporting the two directions, so that the effect of four-direction control is realized, the use is more convenient, and the controllability is good; only four steel wire ropes, four spring tubes and a signal transmission wire are arranged in the intubation tube, so that the sectional area of the intubation part is greatly reduced, and the pain of a patient caused by the caliber of the intubation tube can be effectively relieved; the handle is provided with a large space inside, so that the utility model has good portability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a schematic structural view of the wheel core.

Fig. 4 is a schematic structural view of the shift lever.

Description of reference numerals: the device comprises a rotating wheel core 1, a protrusion 1-1, a rotating wheel core outer sleeve 2, a rotating wheel core angle limiting piece 3, a rotating wheel outer shell 4, a fixing screw A5, a shifting rod 6, a groove 6-1, a fixing screw B7, a rotating wheel core traction steel wire 8, a traction steel wire 8-1, a connecting piece 8-2, a handle body 9, a handheld end 10, a handle side cover 11, a support frame 12, a wire structure 13, a connecting structural piece 14, an insertion tube matching connecting piece 15, a fastening screw A16, a fastening screw B17, a tail end 18, a tail support 19, a signal connecting piece 20 and a pin 21.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

example (b): as shown in the attached drawings, the double-shift lever four-way examination endoscope mainly comprises a handle end, a handheld end 10, a tail end 18 and a tail support 19; the handle end consists of a handle body 9 and a handle side cover 11 covering one side of the handle body, the lower part of the handle body 9 is connected with a handheld end 10, and the lower part of the handheld end 10 is sequentially connected with a tail end 18 and a tail support 19; the left end and the right end of a handle body 9 are communicated, two rotating wheel cores 1 are arranged in the handle body 9 in a bilateral symmetry mode, a rotating wheel core outer sleeve 2 is sleeved outside each rotating wheel core 1 for sealing, the rotating wheel core outer sleeve 2 is matched with a rotating wheel shell 4 and sealed through a sealing ring, and a fixing screw A5 fixes the rotating wheel cores 1 and the rotating wheel shell 4 and seals the rotating wheel core outer sleeve 2; the shifting lever 6 is provided with a groove 6-1 which is matched with the bulge 1-1 on the rotating wheel core 1, and the shifting lever 6 is fixedly connected with the rotating wheel core 1 through a fixing screw B7, so that the steering force applied to the shifting lever 6 can be transmitted to the rotating wheel core 1; the periphery of each rotating wheel core 1 is wound with a rotating wheel core traction steel wire 8 (a steel wire capable of being well connected with the head end of an endoscope cannula and further controlling the steering of the head end of the cannula) consisting of a section of traction steel wire 8-1 and two connecting pieces 8-2, a support frame 12 is arranged in a combination body of a handle end and a handheld end 10 and is used for providing a moving space for the traction steel wire 8-1, the connecting piece 8-2 is connected with a wire structure 13 arranged below the support frame 12 and is used for providing an access channel for the traction steel wire 8-1 (simultaneously separating a steel wire spring tube in the cannula from the steel wire), a connecting structural piece 14 is fixedly connected with the lower end of the support frame 12, the handheld end 10 is fixedly connected with a tail end 18, a fastening screw A16 and a cannula matching connecting piece 15 (which is integrated with the cannula and mainly provides an internally sealed channel for the steel wire, the spring tube and the wire), the fastening screw B17 and the connecting structural part 14 are matched and fixed with each other in the handheld end 10; a signal connecting piece 20 for transmitting data is arranged at the top of the handle body 9; the deflector rods 6 on the two sides are rotated to respectively drive the rotating wheel cores 1 on the two sides to rotate, and the traction steel wires 8 from the rotating wheel cores are controlled to carry out traction, so that the four-way control effect is realized; a plurality of pins 21 are fixed on the rotating wheel core 1, and the movable range of the rotating wheel core 1 is limited by the rotating wheel core angle limiting piece 3 arranged on the rotating wheel core 1; the signal connecting piece 20 has good waterproofness and is mainly used for transmitting pictures shot by a CMOS camera connected to the front end of the endoscope to a display screen; the handle side cover 11 is of a detachable structure, and after the handle side cover 11 is taken down, the endoscope can be driven to operate by the deflector rod 6 on one side.

Preferably, the signal connector 20 is an aviation connector, and may be a data transmission connector such as USB or type-C.

Preferably, the tail support 19 is made of a silica gel material, has good resilience characteristics, and can prevent the cannula from being bent at the tail support part.

The utility model discloses a working process: during the use with the endoscope stretch into the affected part, according to patient's needs, the driving lever of the left and right sides all has two control directions, through the activity at quadriversal control driving lever position, promotes the rotation of runner core, comes to pull the wire rope of endoscope to make the snake bone of endoscope head end can move about, the picture that the CMOS camera of endoscope front end was shot transmits to the display screen through signal connection spare 20, is convenient for inspect or operate.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. The utility model provides a four-way examination endoscope of two driving levers, mainly includes handle end, handheld end (10), tail end (18) and tail rest (19), its characterized in that: the handle end consists of a handle body (9) and a handle side cover (11) covering one side of the handle body, the lower part of the handle body (9) is connected with a handheld end (10), and the lower part of the handheld end (10) is sequentially connected with a tail end (18) and a tail support (19); the left end and the right end of a handle body (9) are communicated, two rotating wheel cores (1) are arranged in the handle body (9) in a bilateral symmetry mode, a rotating wheel core outer sleeve (2) is sleeved outside each rotating wheel core (1) for sealing, the rotating wheel core outer sleeve (2) is matched with a rotating wheel shell (4) and sealed through a sealing ring, and the rotating wheel cores (1) and the rotating wheel shell (4) are fixed through fixing screws A (5) and the rotating wheel core outer sleeve (2) is sealed; a groove (6-1) is formed in the deflector rod (6) and is matched with the protrusion (1-1) on the rotating wheel core (1), and the deflector rod (6) is fixedly connected with the rotating wheel core (1) through a fixing screw B (7), so that the steering force applied to the deflector rod (6) can be transmitted to the rotating wheel core (1); a rotating wheel core traction steel wire (8) consisting of a section of traction steel wire (8-1) and two connecting pieces (8-2) is wound on the periphery of each rotating wheel core (1), a support frame (12) is arranged in a combination body of a handle end and a handheld end (10) and is used for providing a movable space for the traction steel wire (8-1), the connecting pieces (8-2) are connected with a wire structure (13) arranged below the support frame (12) to provide an access channel for the traction steel wire (8-1), a connecting structural member (14) is fixedly connected with the lower end of the support frame (12), meanwhile, the handheld end (10) and the tail end (18) are fixedly connected, a fastening screw A (16) and an intubation tube matched connecting piece (15) are matched in a connecting structural piece (14) and fixedly connected with each other, and a fastening screw B (17) and the connecting structural piece (14) are matched in the handheld end (10) and fixedly connected with each other; the signal connecting piece (20) for transmitting data is arranged at the top of the handle body (9); the deflector rods (6) on the two sides are rotated to respectively drive the rotating wheel cores (1) on the two sides to rotate, and the traction steel wires (8) of the rotating wheel cores are controlled to carry out traction, so that the four-way control effect is realized.

2. The dual-shifter lever four-way examination endoscope of claim 1, wherein: a plurality of pins (21) are fixed on the rotating wheel core (1) and can only move in the fixed range of the pins (21) through the rotating wheel core angle limiting piece (3) arranged on the rotating wheel core (1).

3. The dual-shifter lever four-way examination endoscope of claim 1, wherein: the signal connecting piece (20) has good waterproofness.

4. The dual-shifter lever four-way examination endoscope of claim 1, wherein: the handle side cover (11) is of a detachable structure, and after the handle side cover (11) is taken down, the endoscope can be driven to operate by a driving lever (6) on one side.