CN213787312U

CN213787312U - Medical rigid electronic endoscope

Info

Publication number: CN213787312U
Application number: CN202021592592.8U
Authority: CN
Inventors: 陈尧松; 赵静; 蔺海
Original assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Current assignee: HANGZHOU HAWK OPTICAL ELECTRONIC INSTRUMENTS CO Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-07-27
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to an electronic endoscope. The utility model provides a medical hard electronic endoscope, including the mirror body and operating handle, be connected with the leaded light handle on operating handle, be equipped with the import of leaded light bundle on the leaded light handle, cable conductor connector and handle connector, be equipped with apparatus pipeline and insulating pipeline in the mirror body, be equipped with the cable conductor in insulating pipeline, the one end of cable conductor meets with the miniature electron camera module group of mirror body tip, the other end of cable conductor passes the mirror body, operating handle, leaded light handle and signal plug meet with display device, it has the leaded light bundle to fill at apparatus pipeline and insulating pipeline outsourcing, the leaded light bundle is got into the back by the import of leaded light bundle, loop through the leaded light handle, the light pipe in the operating handle stretches into in the mirror body. The utility model provides a rigid electronic ureteroscope with good imaging effect, good safety, simple operation and good insertion performance; the technical problems of poor imaging effect and poor operation performance of the hard ureteroscope in the prior art are solved.

Description

Medical rigid electronic endoscope

Technical Field

The utility model relates to an electronic endoscope especially relates to a medical hard electronic endoscope.

Background

The electronic endoscope is widely used in the current medical practice, is small in pipe diameter, convenient to operate, clear in forming and deeply popular with medical workers. With the rapid development of the image sensor technology, in the field of traditional soft fiber endoscopes, the advantages of electron microscopy are obvious, pixels are greatly improved, the durability of products is improved, and cables of a CCD or a CMOS are not as fragile as image transmission beams and are easy to break.

In the field of traditional optical rigid endoscopes, the difficulty encountered by electronic endoscope replacement is mainly a safety problem, and the national requirements on product assessment standards are high and the technical difficulty is high due to the fact that the electronic endoscope is inserted into a human body in an electrified mode. On the other hand, the current sensor pixel has no optical lens height when the pixel has the same aperture.

An endoscope is generally required to be provided with a light guide beam inlet, an instrument inlet, a water inlet and the like, and the light guide beam inlet is generally arranged on a lens body on the front side of an operation handle. The pipeline connected on the endoscope body is too much, and the doctor can be influenced by various line pipes during operation, such as Chinese patent: "a half hard body elbow endoscope (CN 201920255794.4)", including eyepiece, insert tube, the insert tube in be provided with the formation of image passageway, the insert tube terminal surface on be provided with imaging lens, the imaging channel in be provided with and lead the image bundle and be linked together with eyepiece and imaging lens respectively, the insert tube front end set up to the arc, the insert tube terminal surface on be provided with first light source camera lens, the insert tube on be provided with into light device, the imaging channel in be provided with and lead the image bundle and be linked together with first light source camera lens and advance light device respectively, transition passageway side be provided with first water installations, transition passageway rear end be provided with the operation portion.

Disclosure of Invention

The utility model provides a rigid electronic ureteroscope with good imaging effect, good safety, simple operation and good insertion performance; the technical problems of poor imaging effect and poor operation performance of the rigid electronic endoscope in the prior art are solved.

The above technical problem of the present invention is solved by the following technical solutions: a medical hard electronic endoscope comprises an endoscope body, wherein one end of the endoscope body is provided with an operating handle, the operating handle is provided with a light guide pipe, the other end of the light guide pipe is provided with a light guide handle, and one side of the light guide handle is provided with a signal plug; the light guide handle is provided with a light guide beam inlet, a cable connector and a wire harness connector; an instrument pipeline and an insulating pipeline are arranged in the endoscope body, and a light guide beam pipeline is arranged in a gap between the instrument pipeline and the insulating pipeline; one end of the cable is connected with the miniature electronic camera module at the end part of the endoscope body, and the other end of the cable is connected with the image processing equipment through a signal plug after sequentially passing through the endoscope body, the operating handle, the light guide pipe and the light guide handle; the light guide beam channel is filled with a light guide beam, and the light guide beam enters from the light guide beam inlet and then sequentially passes through the wire harness connector of the light guide handle, the light guide pipe and the operating handle to extend into the endoscope body. The micro electronic camera module is used for replacing the original optical imaging unit at the end part of the lens body, so that the imaging effect is improved. The insulating tube is arranged in the endoscope body, so that the electric wire for transmitting the electronic image signal can be connected in the insulating tube in a penetrating way, and the safety of the whole rigid electronic endoscope cannot be influenced. Meanwhile, the hard electronic endoscope has clear hand feeling of doctors and good operability due to the hardness of the endoscope body. The external connection of operating handle has the leaded light handle, can arrange the leaded light bundle interface in the operating handle rear side, and the mirror body part of doctor operation is very clean and tidy, does not have external various pipelines to encircle, can not influence doctor's operation, and the leaded light handle can let the internal outside pencil that lets in of mirror in addition, for example leaded light bundle and cable conductor are direct to be led into by operating handle's light pipe, set up a unified interface, simple structure. The cable and the light guide beam respectively enter the light guide handle and are then output by the wire harness connecting port in parallel until the cable and the light guide beam are input into the endoscope body. The operating handle and the light guide handle are not directly and mechanically connected, but are connected through the light guide beam and the cable, and the light guide handle is a separating and supporting body of the light guide beam and the cable. The length of the light guide bundle between the operating handle and the light guide handle can reach 2.5m, so that a sufficient spacious space can be reserved for the endoscope, and the operation of a doctor is facilitated.

Preferably, the light guide handle is T-shaped, and the cable connector and the wiring harness connector are arranged perpendicularly to each other. The light guide bundle and the cable cannot be influenced mutually, wiring is more convenient, and the structure is more stable.

Preferably, the instrument conduit and the insulating conduit are arranged in parallel with each other in the endoscope body. Simple structure and reasonable space utilization.

Preferably, the operating handle is obliquely arranged on the mirror body, the insulating pipeline is in a shape of Chinese character 'ba', and the insulating pipeline comprises a horizontal insulating pipeline positioned in the mirror body and an oblique insulating pipeline positioned in the operating handle. The insulating pipeline distributes along with the endoscope shape, guarantees the holistic security of endoscope, and by entering into the endoscope beginning, the cable conductor just lies in insulating pipeline, improves holistic insulating effect.

Preferably, the instrument channel is horizontal, one end of the instrument channel is opened at the front end of the endoscope body, and the other end of the instrument channel is positioned at an instrument inlet at the rear end of the endoscope body. The instrument has certain hardness, so the instrument pipeline is a horizontal straight channel, and the instrument can be conveniently stretched and operated.

Preferably, the cross section of the mirror body is composed of two arc surfaces and two planes which are oppositely arranged, the arc surfaces and the planes are sequentially connected, and the diameter of the upper arc surface is smaller than that of the lower arc surface. The arrangement of the insulating pipeline and the instrument pipeline is convenient.

Preferably, one end of the insulating pipeline extends to the end of the lens body, and the diameter of the position, where the miniature electronic camera module is installed, in the insulating pipeline is larger than that of the insulating pipeline on the rear side. The size of miniature electron camera module is 0.5 х 0.5.5 mm ~1.5 х 1.5.5 mm, guarantees in the insulating tube that miniature electron camera module can install and go, and the diameter just can be reduced as far as possible to the rest part, only needs the electric wire can pass through just. Thus, the small overall diameter of the lens body is ensured, and the lens body is convenient to insert.

Preferably, one end of the instrument pipeline extends to the end part of the endoscope body, and the end part of the instrument pipeline is provided with an arc-shaped concave notch. The front end forms an arc opening, lets the apparatus export grow, lets the better by the apparatus pipeline of apparatus stretch out and operate, lets insert the end simultaneously and has an angle of inclination, reinforcing insertion nature and operability.

Preferably, the endoscope body is a tube body made of stainless steel materials, and the size of the endoscope body is Fr 7-Fr 10.

Therefore, the rigid electronic endoscope of the present invention has the following advantages:

(1) the insertion performance is good. Compared with the soft lens, the hard lens has definite hand feeling at the position and the direction of the inserting tip of the hard lens.

(2) The operability is good. The light guide bundle and the cable enter the endoscope uniformly from the inside of the operating handle, so that the whole endoscope is clean and tidy in the outside, and the operation of medical workers is facilitated.

(3) The image definition is good. The image definition is the same as that of an electronic soft lens, and the electronic image is an electronic image and is convenient to store, process, teach and the like.

(4) Not easy to damage, long service life and high safety.

Drawings

Fig. 1 is an overall schematic view of a medical hard electronic endoscope.

Fig. 2 is an enlarged view at a in fig. 1.

Figure 3 is an enlarged end view of the endoscope of figure 1.

Fig. 4 is an enlarged end view of the joint of the operation handle.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b):

as shown in figures 1, 2, 3 and 4, the medical hard electronic endoscope comprises an endoscope body 1, wherein the cross section of the endoscope body 1 is in a runway shape. The endoscope comprises an endoscope body 1 and is characterized in that one end of an inclined operating handle 2 is connected to the endoscope body 1, a light guide pipe 16 is installed at the other end of the operating handle 2, a light guide handle 3 is arranged outside the light guide pipe 16, a signal plug 9 is arranged on one side of the light guide handle 3, and the signal plug 9 is connected to an image processing device in an inserting mode. The lens body 1 is made of stainless steel material. The size of the mirror body 1 is Fr 8.

The light guide handle 3 is provided with a light guide beam inlet 7, a cable connector 8 and a wire harness connector 6, the light guide handle 3 is T-shaped, and the light guide beam inlet 7 is perpendicular to the cable connector 8.

An instrument pipeline 13 and an insulating pipeline 12 are arranged in the endoscope body 1, and the insulating pipeline 12 is made of polyethylene materials. The gap between the instrument pipeline and the insulating pipeline is a light guide beam pipeline, a light guide beam 14 is inserted from a light guide beam inlet 7, penetrates out from a wire harness connecting port 6 after passing through the light guide handle 3, then enters a light guide pipe 16 in the operating handle 2, and then extends forwards from the operating handle 2 to enter the light guide beam pipeline in the endoscope body 1 until reaching the front end part of the endoscope body 1.

The miniature electronic camera module 10 is installed at the front end of the insulating pipeline 12, and the size of the miniature electronic camera module 10 is 1mm x 1 mm. The insulating pipeline 12 is in a shape of a Chinese character 'ba', the insulating pipeline 12 comprises a horizontal insulating pipeline positioned in the lens body and an inclined insulating pipeline positioned in the operating handle, and the inclined insulating pipeline is positioned in the light guide pipe. The overall shape of the insulated conduit 12 is the same as the endoscope shape. A cable 15 is arranged in the insulating pipeline 12, the cable 15 passes through the endoscope body 1 and the operating handle 2 along the insulating pipeline 12, enters the light guide handle 3 from the wire harness connecting port 6, and is connected with the signal plug 9 through the cable connecting port 8 on the light guide handle 3 so as to be connected to the image processing equipment at the rear part.

The operation handle 2 and the light guide bundle handle 3 are connected through a light guide bundle 14 with the length of 2.5m and a cable 15, and the light guide bundle handle 3 and the signal plug 9 are connected through the cable 15.

The instrument tube 13 is positioned below the insulating tube, and the instrument tube 13 is a horizontal channel. One end of the instrument pipeline 13 extends to the end part of the endoscope body, and the end part of the instrument pipeline 13 is provided with an arc-shaped concave notch 17. The other end of the instrument pipeline is connected with a side valve 5 and a central valve 4, the side valve is used for water flowing, and the central valve is used for instrument flowing.

Claims

1. The utility model provides a medical hard electronic endoscope, includes the mirror body, and the one end of mirror body is equipped with operating handle, its characterized in that: the operating handle is provided with a light guide pipe, the other end of the light guide pipe is provided with a light guide handle, and one side of the light guide handle is provided with a signal plug; the light guide handle is provided with a light guide beam inlet, a cable connector and a wire harness connector; an instrument pipeline and an insulating pipeline are arranged in the endoscope body, and a light guide beam pipeline is arranged in a gap between the instrument pipeline and the insulating pipeline; one end of the cable is connected with the miniature electronic camera module at the end part of the endoscope body, and the other end of the cable is connected with the image processing equipment through a signal plug after sequentially passing through the endoscope body, the operating handle, the light guide pipe and the light guide handle; the light guide beam channel is filled with a light guide beam, and the light guide beam enters from the light guide beam inlet and then sequentially passes through the wire harness connector of the light guide handle, the light guide pipe and the operating handle to extend into the endoscope body.

2. A medical hard electronic endoscope according to claim 1, characterized in that: the light guide handle is T-shaped, and the cable connector and the wire harness connector are arranged perpendicularly to each other.

3. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: the instrument pipeline and the insulating pipeline which are positioned in the endoscope body are arranged in parallel.

4. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: the operating handle is obliquely arranged on the mirror body, the insulating pipeline is in a splayed shape, and the insulating pipeline comprises a horizontal insulating pipeline positioned in the mirror body and an oblique insulating pipeline positioned in the operating handle.

5. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: the instrument pipeline is horizontal, an opening at one end of the instrument pipeline is positioned at the front end part of the endoscope body, and the other end of the instrument pipeline is positioned at an instrument inlet at the rear end part of the endoscope body.

6. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: the cross section of the mirror body is composed of two arc surfaces and two planes which are oppositely arranged, the arc surfaces and the planes are sequentially connected, and the diameter of the upper arc surface is smaller than that of the lower arc surface.

7. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: one end of the insulating pipeline extends to the end part of the lens body, and the diameter of the micro electronic camera shooting module arranged in the insulating pipeline is larger than that of the insulating pipeline on the rear side.

8. A medical hard electronic endoscope according to claim 1 or 2, characterized in that: one end of the instrument pipeline extends to the end part of the endoscope body, and the end part of the instrument pipeline is provided with an arc-shaped concave notch.