CN217118384U - Disposable hard electronic endoscope structure for treating calculus - Google Patents

Abstract

The utility model discloses a disposable stereoplasm electronic endoscope structure for calculus treatment, including handle and stereoplasm work sheath, the handle internal fixation has the joint, a joint hole has been seted up to both ends coaxial respectively around the joint, the rear end of stereoplasm work sheath is fixed in the front end joint that connects downthehole coaxially, stereoplasm work sheath and the coaxial stand pipe that is provided with in the joint, the rear end of handle is fixed with and is used for the coaxial leading-in stereoplasm work sheath's of stand pipe guide structure, the downthehole coaxial fixed of rear end joint that connects has and is used for making the stand pipe at the sealed fixed knot structure of stereoplasm work sheath internal fixation, the rear end of stand pipe is connected with the negative pressure suction who communicates rather than and connects and the apparatus connects. The endoscope designed by the invention has simple structure and convenient use; iatrogenic cross infection is avoided; the sealing seat ensures the positioning of the guide tube in the hard working sheath and ensures the stability of the lithotripsy treatment process.

Description

Disposable hard electronic endoscope structure for calculus treatment

Technical Field

The utility model relates to the technical field of endoscopes, in particular to a disposable hard electronic endoscope structure for treating calculi.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software, and has wide medical application. It can enter into body through small incision or natural cavity to see the pathological changes which can not be displayed by X-ray, and can cooperate with surgical instruments to carry out visual operation treatment in body. In-vivo clinical examination and visual surgery require a sharp-image endoscope to help doctors to improve the diagnosis accuracy, so electronic endoscopes are usually selected. When treating diseases such as kidney stones, the holmium laser is inserted into a working sheath of an endoscope to hit stones and suck out broken stones while observing in-vivo images. Therefore, how to design an electronic endoscope structure meeting the treatment requirement is a problem facing now.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide a disposable hard electronic endoscope structure which can meet the requirements of stone breaking and absorption.

In order to realize this purpose, the utility model relates to a disposable stereoplasm electronic endoscope structure for calculus treatment, including handle and stereoplasm work sheath, the handle internal fixation has the joint, the axial position that connects is provided with central through-hole, both ends are the joint hole around the central through-hole, the rear end coaxial insertion handle front end of stereoplasm work sheath is fixed in the front end joint of the central through-hole that connects is downthehole, its characterized in that: the hard working sheath and the joint are coaxially inserted with a guide pipe in the central through hole, the rear end of the handle is fixed with a guide structure for coaxially guiding the guide pipe into the hard working sheath, a sealing and fixing structure for coaxially fixing the guide pipe in the hard working sheath is arranged in the joint hole at the rear end of the central through hole of the joint, and the rear end of the guide pipe is connected with a negative pressure suction joint and an instrument joint which are communicated with the guide pipe.

Furthermore, the guide structure comprises a guide sleeve fixed at the rear end of the handle, the guide sleeve, the joint and the hard working sheath are coaxially arranged, a guide hole matched with the guide pipe is formed in the guide sleeve along the axial direction of the guide sleeve, and the guide pipe is coaxially inserted into the guide hole.

Furthermore, the positioning structure comprises a sealing seat coaxially fixed in a rear end joint hole of the central through hole of the joint, and a positioning hole with an inner wall closely matched with the outer surface of the guide pipe is formed in the sealing seat along the axial direction of the sealing seat.

Furthermore, a positioning ring which is coaxial with the connector and is arranged along the circumferential direction and protrudes outwards is fixed on the rear end face of the connector, the sealing seat comprises a small ferrule of which the outer surface is tightly matched with the rear end connector hole of the connector and a positioning structure which is coaxially and fixedly connected with the rear end face of the small ferrule and is matched with the positioning ring, and a positioning hole which is tightly matched with the guide pipe and limits the axial position of the guide pipe in the hard working sheath is axially arranged in the small ferrule.

Furthermore, the sealing and fixing structure comprises a large ferrule which is coaxially arranged with the small ferrule and is positioned behind the small ferrule, a shaft hole is formed in the large ferrule, the rear end of the positioning ring is coaxially inserted into the shaft hole, and a guide structure which is used for guiding the guide pipe into the positioning hole of the small ferrule from the large ferrule is fixedly connected between the circumferential edge of the rear end of the small ferrule and the inner wall of the large ferrule.

Furthermore, the guide structure comprises a transition ring which is coaxially and fixedly connected with the inner wall of the rear end of the shaft hole and is vertical to the inner wall of the shaft hole, and a conical ferrule which is coaxially and fixedly connected with the circumferential surface of the rear end of the small ferrule and has a small front end and a large rear end, wherein the circumferential surface of the rear end of the conical ferrule is fixedly connected with the circumferential ring surface of the inner side of the transition ring into an integral structure; the tapered collar, the transition ring and the large collar form a locating groove which is matched with the locating ring.

Furthermore, a negative pressure suction channel and an instrument channel are formed in the guide pipe along the axial direction of the guide pipe, a joint support is fixed at the rear end of the guide pipe, and the negative pressure suction joint coaxially communicated with the negative pressure suction channel and the instrument joint communicated with the instrument channel are arranged on the joint support.

Furthermore, a negative pressure adjusting hole which is communicated with the negative pressure suction joint and used for controlling the on-off of the negative pressure suction and the size of the negative pressure suction is formed in the joint support.

Furthermore, an instrument channel, a camera channel and an illumination channel are arranged in the hard working sheath, a cable joint hole and a water supply joint hole are formed in the side part of the joint, a miniature camera is fixed inside the front end of the camera channel and connected with a camera cable, and the rear end of the camera cable sequentially penetrates through the cable joint hole and the handle; a light source cable is fixed in the lighting channel, a light guide optical fiber is fixed in the light source cable, and the rear end of the light source cable sequentially penetrates through a cable joint hole, a light guide joint, a light source and a handle; the water supply joint is characterized in that a water inlet pipe communicated with the instrument channel is fixed in the water supply joint hole, and a water injection via hole corresponding to the water inlet pipe is formed in the side face of the handle.

Furthermore, a camera socket connected with a camera cable is arranged on the handle, a camera plug is fixed on the camera socket, and a panoramic camera is fixed on the camera plug.

The utility model has the advantages that: the endoscope designed by the invention has simple structure and convenient use; iatrogenic cross infection is avoided; the sealing seat ensures the positioning of the guide tube in the hard working sheath and ensures the stability of the lithotripsy treatment process. The large ring of the sealing seat is sleeved on the instrument hole of the connector to prevent water entering from the water inlet hole of the four-way connector from flowing out of the instrument hole. When the guide pipe is used, the guide pipe penetrates through the small ring of the sealing seat, the small ring is made of elastic rubber, and the sealing seat is an elastic piece and can tightly hoop the guide pipes with different diameters, so that the small ring and the guide pipes are free from gaps and water leakage is prevented. The guide sleeve can accurately guide the guide tube into the hard working sheath, so that the space part for accommodating the guide tube in the hard working sheath can be minimized, the inner diameter of the hard working sheath is reduced, and the damage of the puncture hole to the internal organs is reduced.

Drawings

FIG. 1 is an internal structural view of a disposable hard electronic endoscope structure without a guide tube inserted therein according to the present invention;

FIG. 2 is a schematic view of the connection structure of the hard working sheath and the joint of the present invention;

fig. 3 is a perspective view of the middle seal seat of the present invention;

FIG. 4 is a longitudinal cross-sectional view of the guide tube of the present invention installed in an endoscope;

fig. 5 is a top view of the guide tube of the present invention;

FIG. 6 is a sectional view taken along line A-A of FIG. 5;

the device comprises a handle (1), a handle (1.1), a handle upper cover, a handle lower cover), a hard working sheath (2), a miniature camera (3), a camera (4), a camera cable (5), a light source cable (6), a light guide optical fiber (7), a light guide joint (8), a light source (9), a water supply channel (10), a water injection through hole (10), a handle instrument hole (11), a joint (12), a guide sleeve (13), a sealing seat (14.1), a small ferrule (14.2), a conical ferrule (14.3), a transition ring (14.4), a large ferrule (14), a water inlet pipe (15), a cable guide sleeve (16), a panoramic camera (17), a camera socket (18), a camera plug (19), a positioning ring (20), a guide pipe (21), a negative pressure suction channel (22), an instrument channel (23), a negative pressure suction joint (24), an instrument joint (25), an instrument joint (26), a joint support and a negative pressure regulation hole (27).

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

The disposable hard electronic endoscope structure for treating calculi as shown in fig. 1-4 comprises a handle 1 and a hard working sheath 2, wherein a joint 12 is fixed in the handle 1, a joint hole is coaxially formed at each of the front end and the rear end of the joint 12, a central through hole communicated with the joint holes at the front end and the rear end is formed in the middle of the joint, the rear end of the hard working sheath 2 is coaxially fixed in the joint hole at the front end of the joint 12, a guide tube 21 is coaxially arranged in the hard working sheath 2 and the joint 12, a guide sleeve 13 for coaxially guiding the guide tube 21 into the hard working sheath 2 is fixed at the rear end of the handle 1, a sealing seat 14 for positioning the guide tube 21 in the hard working sheath 2 is coaxially fixed in the joint hole at the rear end of the joint 12, and the guide sleeve 13, the sealing seat 14, the joint 12 and the hard working sheath 2 are coaxially arranged.

The guide tube 21 is coaxially inserted into the guide sleeve 13, and the guide sleeve 13 is a stepped sleeve whose rear end stepped portion is positioned with the handle 1.

A positioning ring 20 which is coaxial with the joint 12, arranged along the circumferential direction and protruded outwards is fixed on the rear end face of the joint 12, the sealing seat 14 comprises a small ferrule 14.1 the outer surface of which is tightly matched with a joint hole at the rear end of the joint 12 and a large ferrule 14.4 which is coaxial with the small ferrule 14.1, the inner side ring surface of the large ferrule 14.4 is fixedly connected with a transition ring 14.3, and a conical ferrule 14.2 is fixedly connected between the circumferential edge at the rear end of the small ferrule 14.1 and the inner side circumferential ring edge of the transition ring 14.3; the conical collar 14.2, the transition ring 14.3 and the large collar 14.4 form a positioning slot cooperating with the positioning ring 21. The inner hole of the small ferrule 14.1 is a positioning hole which is tightly matched with the outer surface of the guide tube 21 and enables the guide tube 21 to be positioned in the hard working sheath 2. The inner wall of the positioning hole is tightly matched with the outer surface of the guide tube 21.

An instrument channel, a camera channel and an illumination channel are arranged in the hard working sheath 2, a cable joint hole and a water supply joint hole are formed in the side part of the joint 12, a miniature camera 3 is fixed in the front end of the camera channel, the miniature camera 3 is connected with a camera cable 4, and the rear end of the camera cable 4 sequentially penetrates through the cable joint hole and the handle 1; a light source cable 5 is fixed in the lighting channel, a light guide optical fiber 6 is fixed in the light source cable 5, and the rear end of the light source cable 5 sequentially penetrates through a cable joint hole, a light guide joint 7, a light source 8 and the handle 1; a water inlet pipe 15 communicated with the instrument channel 9 is fixed in the water supply joint hole, and a water injection through hole 10 corresponding to the water inlet pipe is arranged on the side surface of the handle 1. The handle 1 is provided with a camera socket 18 connected with the camera cable 4, a camera plug 19 is fixed on the camera socket 18, and a panoramic camera 17 is fixed on the camera plug 19.

As shown in fig. 5 to 6, a negative pressure suction channel 22 and an instrument channel 23 are formed in the guide tube 21 along the axial direction thereof, a joint support 26 is fixed to the rear end of the guide tube 21, and a negative pressure suction joint 24 coaxially communicated with the negative pressure suction channel 22 and an instrument joint 25 communicated with the instrument channel 23 are provided on the joint support 26. The joint support 26 is provided with a negative pressure adjusting hole 27 which is communicated with the negative pressure suction joint 24 and is used for controlling the on-off of the negative pressure suction and the size of the negative pressure suction.

The utility model discloses a working process is: the light source power supply interface on the host computer supplies power to the light source 8 through the light source cable 5, and the light source 8 conducts the miniature CMOS camera of the front end of stereoplasm work sheath 2 with light through light guide fiber 6, for miniature camera 3 provides the illumination condition, and the image that miniature camera 3 shot passes through the camera cable 4 with camera interface connection on the host computer and reaches the host computer, and the image on the host computer is passed through the image transmission line and is exported the image and go to showing and show. The camera socket 18 is connected with the camera cable 4, the camera plug 19 is inserted into the camera socket 18, the real-time image shot by the panoramic camera 17 is transmitted to the host through the camera cable 4, and the host records the real-time image and transmits the real-time image out of the operating room through the conversion equipment. As shown in fig. 4, the guide tube 21 is inserted into the guide sleeve 13 and the sealing seat 14 from the rear end of the handle, enters the joint 12, and finally enters the hard working sheath 2, the guide tube 21 is axially positioned in the hard working sheath 2 by utilizing the close fit between the sealing seat 14 and the guide tube 21, and if the axial position of the guide tube 21 needs to be adjusted, the guide tube 21 can be positioned by being hooped by the sealing seat 14 after the guide tube 21 is moved by a human hand.

When lithotripsy operation needs to be performed on the lithotripsy part in the operation process, holmium laser is inserted into the instrument channel 23 through the instrument connector 25, the holmium laser enters the instrument channel 23, lithotripsy operation is performed at the front end, the negative pressure suction machine is connected with the negative pressure suction connector, and the lithotripsy is discharged out of the body through the negative pressure suction channel. In the process of sucking the gravels by negative pressure, the negative pressure adjusting hole 27 can be pressed by hands to adjust the size and the on-off of the negative pressure suction, thereby ensuring good negative pressure suction effect. The sealing seat 14 is an elastic member, which can tightly clamp the guide pipes 21 with different diameters, so that the sealing seat 14 and the guide pipes 21 have no gap and prevent water leakage. The guide sleeve can accurately guide the guide tube 21 into the hard working sheath 2, so that the space part of the hard working sheath 2 for accommodating the guide tube 21 can be made as small as possible, and the inner diameter of the hard working sheath 2 is reduced, so that the damage of the puncture hole to the internal organs is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.

Claims (10)

1. A disposable hard electronic endoscope structure for calculus treatment, includes handle (1) and stereoplasm work sheath (2), handle (1) internal fixation has joint (12), the axial position of joint (12) is provided with central through-hole, both ends are the joint hole around the central through-hole, the rear end coaxial insertion handle (1) front end of stereoplasm work sheath (2) is fixed in the front end joint of the central through-hole of joint (12) is downthehole, its characterized in that: the hard working sheath (2) and the joint (12) are coaxially inserted with a guide pipe (21) in a central through hole, the rear end of the handle (1) is fixedly provided with a guide structure for coaxially guiding the guide pipe (21) into the hard working sheath (2), a sealing and fixing structure for coaxially fixing the guide pipe (21) in the hard working sheath (2) is arranged in a joint hole at the rear end of the central through hole of the joint (12), and the rear end of the guide pipe (21) is connected with a negative pressure suction joint (24) and an instrument joint (25) communicated with the guide pipe.

2. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 1 and further characterized by: the guide structure comprises a guide sleeve (13) fixed at the rear end of the handle (1), the guide sleeve (13), the joint (12) and the hard working sheath (2) are coaxially arranged, a guide hole matched with the guide pipe (21) is formed in the guide sleeve (13) along the axial direction of the guide sleeve, and the guide pipe (21) is coaxially inserted into the guide hole.

3. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 1 and further characterized by: the sealing and fixing structure comprises a sealing seat (14) which is coaxially fixed in a joint hole at the rear end of a central through hole of the joint (12), and a positioning hole with an inner wall closely matched with the outer surface of the guide pipe (21) is formed in the sealing seat (14) along the axial direction of the sealing seat.

4. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 3 and further characterized by: a positioning ring (20) which is coaxial with the connector (12), arranged along the circumferential direction and protruding outwards is fixed on the rear end face of the connector (12), the sealing seat (14) comprises a small ferrule (14.1) of which the outer surface is tightly matched with a rear end connector hole of the connector (12) and a positioning structure which is coaxially and fixedly connected to the rear end face of the small ferrule (14.1) and matched with the positioning ring (20), and a positioning hole which is tightly matched with the guide pipe (21) and limits the axial position of the guide pipe (21) in the hard working sheath (2) is formed in the small ferrule (14.1) along the axial direction of the small ferrule.

5. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 4 and further characterized by: the positioning structure comprises a large ferrule (14.4) which is coaxially arranged with a small ferrule (14.1) and is positioned behind the small ferrule (14.1), a shaft hole is formed in the large ferrule (14.4), the rear end of the positioning ring (20) is coaxially inserted into the shaft hole, and a guide structure for guiding the guide pipe (21) into the positioning hole of the small ferrule (14.1) from the large ferrule (14.4) is fixedly connected between the circumferential edge of the rear end of the small ferrule (14.1) and the inner wall of the large ferrule (14.4).

6. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 5 and further characterized by: the guide structure comprises a transition ring (14.3) which is coaxially and fixedly connected with the inner wall of the rear end of the shaft hole and is vertical to the inner wall of the rear end of the shaft hole, and a conical ferrule (14.2) which is coaxially and fixedly connected with the circumferential surface of the rear end of the small ferrule (14.1) and has a small front end and a large rear end, wherein the circumferential surface of the rear end of the conical ferrule (14.2) is fixedly connected with the circumferential ring surface of the inner side of the transition ring (14.3) into an integral structure; the conical collar (14.2), the transition ring (14.3) and the large collar (14.4) form a positioning groove cooperating with a positioning ring (20).

7. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 1 and further characterized by: a negative pressure suction channel (22) and an instrument channel (23) are formed in the guide tube (21) along the axial direction of the guide tube, a joint support (26) is fixed at the rear end of the guide tube (21), and the negative pressure suction joint (24) which is coaxially communicated with the negative pressure suction channel (22) and the instrument joint (25) which is communicated with the instrument channel (23) are arranged on the joint support (26).

8. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 7 and further characterized by: and a negative pressure adjusting hole (27) which is communicated with the negative pressure suction joint (24) and is used for controlling the on-off of the negative pressure suction and the size of the negative pressure suction is formed in the joint support (26).

9. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 1 and further characterized by: an instrument channel, a camera channel and an illumination channel are arranged in the hard working sheath (2), a cable joint hole and a water supply joint hole are formed in the side portion of the joint (12), a miniature camera (3) is fixed in the front end of the camera channel, the miniature camera (3) is connected with a camera cable (4), and the rear end of the camera cable (4) sequentially penetrates through the cable joint hole and the handle (1); a light source cable (5) is fixed in the lighting channel, a light guide optical fiber (6) is fixed in the light source cable (5), and the rear end of the light source cable (5) sequentially penetrates through a cable joint hole, a light guide joint (7), a light source (8) and the handle (1); the water supply joint is internally fixed with a water inlet pipe (15) communicated with an instrument channel (23), and the side surface of the handle (1) is provided with a water injection via hole (10) corresponding to the water inlet pipe.

10. A disposable hard electronic endoscope construction for use in stone treatments as recited in claim 9 and further characterized by: the handle (1) is provided with a camera socket (18) connected with a camera cable (4), a camera plug (19) is fixed on the camera socket (18), and a panoramic camera (17) is fixed on the camera plug (19).

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