CN214208296U

CN214208296U - Soft medical endoscope

Info

Publication number: CN214208296U
Application number: CN202021517559.9U
Authority: CN
Inventors: 刘兴春; 刘振朝
Original assignee: Jiangsu Taiyuan Medical Apparatus And Instruments Technology Co ltd
Current assignee: Jiangsu Taiyuan Medical Apparatus And Instruments Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-09-17
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a flexible medical endoscope, which comprises a lens image imaging module, a flexible circuit board, a coil assembly and a PCB hard board image processing module; the lens image imaging module further comprises an inner tube, an optical lens and a lens, wherein the lens is accommodated in the inner tube, the optical lens is arranged at the port of the lens image imaging module, the flexible circuit board is electrically connected with the lens, white latex is filled and sealed in the gap between the inner tube and the flexible circuit board, and the front end of the optical lens is sealed by transparent adhesive tape. The utility model discloses an endoscope main part is soft tube core, and the junction is strengthened the fixed stay with hollow copper pipe, avoids because repetitious usage junction wearing and tearing or the phenomenon of buckling, sets up like this and can increase of service life, the operation of still being convenient for to adopt the endoscope that the transparent adhesive tape sealed to wash easily after using, the front end does not have glass piece structure, solves the glass piece problem of reflecting light, and whole luminousness is better, reduces manufacturing cost simultaneously.

Description

Soft medical endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a soft medical endoscope.

Background

With the development of science and technology, endoscopes have been widely used in the medical field, and are one of the important tools for human beings to peep and treat organs in human bodies. The probe of the endoscope, which is an electronic instrument extending into the inside of the human body, must be fine in both the outer surface and the inner structure. Although the existing medical endoscope can solve the problem of partial functions of peeping, examination and even treatment, the existing medical endoscope is of a rigid structure, cannot meet the requirement that the angle is changed randomly in clinical use, and cannot adapt to the physiological bending structure (such as an oral cavity, a nasal cavity, a trachea, a bronchus and the like, the bending angle is changed to about 90 degrees at most) of a natural cavity of a human body, the bending angle is usually required to be changed according to operation requirements and the like in practical clinical application, and observation is carried out, but the existing endoscope cannot meet the requirements due to the rigid structure.

Therefore, a flexible endoscope is urgently needed in clinic to meet the requirement of clinical application.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soft medical endoscope can solve the technical problem that the endoscope probe that has now on the market is poor in waterproof performance, the pipe diameter is thick and the shape angle can not change at will.

The utility model provides a flexible medical endoscope, which comprises a lens image imaging module, a flexible circuit board, a coil assembly and a PCB hard board image processing module;

the coil pipe assembly comprises a rubber sheet, a single flat coil pipe and a hollow hard pipe, the hollow hard pipe comprises a first hollow hard pipe and a second hollow hard pipe, the first hollow hard pipe and the second hollow hard pipe are used for accommodating the flexible circuit board, the rubber sheet is wrapped on the single flat coil pipe, and the single flat coil pipe is tightly wound on the first hollow hard pipe and the second hollow hard pipe in a spiral mode;

the outermost layer of the lens image imaging module is a stainless steel pipe, the lens image imaging module is arranged at one end of the single flat wire coil, the PCB hard board image processing module is arranged at the other end of the single flat wire coil, the flexible circuit board is accommodated in the hollow hard pipe, and the end part of the stainless steel pipe is buckled inwards and is embedded and fixed with the rubber;

the first hollow hard pipe is arranged inside the joint of the single flat coil pipe and the stainless steel pipe and is used for supporting the joint of the single flat coil pipe and the stainless steel pipe;

the hollow hard tube II is arranged in the inner part of one end of the single flat wire coil close to the PCB hard board image processing module and used for supporting the joint of the single flat wire coil and the PCB hard board image processing module.

Preferably, the length of the first hollow hard tube is 6-10 mm.

Preferably, the length of the second hollow hard tube is 45-55 mm.

Preferably, the first hollow hard tube and the second hollow hard tube are both hollow copper tubes.

Preferably, the lens image imaging module comprises an optical lens, an image acquisition chip and an LED lamp, the PCB image processing module is provided with an image processing chip,

the optical lens is electrically connected with the image acquisition chip and is used for collecting optical signals of images;

the image acquisition chip is electrically connected with the image processing chip through the flexible circuit board, the image acquisition chip analyzes optical signals collected by the optical lens and forms electric signals after photoelectric conversion, and the image processing chip is used for acquiring falling edge signals of the electric signals and converting the falling edge signals into CVBS signals to be output;

the LED lamp is arranged beside the optical lens and used for providing a light source for the optical lens.

Preferably, the front end of the optical lens is encapsulated with transparent adhesive.

Preferably, the outer diameter of the coil component is 1.9-4.8 mm, and the length range is 300-500 mm.

Preferably, the stainless steel tube is wrapped outside the lens image imaging module, the length of the stainless steel tube is greater than that of the lens image imaging module, and the end of the coil assembly is accommodated in the stainless steel tube.

Preferably, the end part of the single flat coil pipe is provided with an extension section at the position wrapped by the rubber sheet, the extension section and the end part of the hollow hard pipe are accommodated in the stainless steel pipe, and the hollow hard pipe, the single flat coil pipe and the stainless steel pipe are fixedly connected through potting epoxy resin glue.

Preferably, the rubber is elastic medical rubber.

Compared with the prior art, the soft medical endoscope of the utility model has the following beneficial effects:

1. the soft medical endoscope of the utility model can be bent at will, thereby greatly meeting the requirement of probing the physiological bending of human body.

2. The utility model discloses a soft medical endoscope optical lens front end adopts the transparent adhesive tape to seal, seals with the transparent adhesive tape and can be so that avoid causing the scratch in production and use to the transparent adhesive tape seals the easy cleaning and disinfecting after using, and water-proof effects is good.

3. The utility model discloses a soft medical endoscope product's image effect is more clear, because of the front end does not have the glass piece, has solved bad phenomena such as reflection of light.

4. The utility model discloses an endoscope main part is soft tube core, and the junction is strengthened the fixed stay with hollow copper pipe, avoids because repetitious usage junction wearing and tearing or the phenomenon of buckling, sets up like this and can increase of service life, the operation of still being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a flexible medical endoscope of the present invention;

fig. 2 is a schematic structural view of the flexible medical endoscope of the present invention in a bent state.

Description of reference numerals:

1. lens image imaging module 11, stainless steel tube 12 and optical lens

13. Transparent adhesive 14, image acquisition chip 2 and flexible circuit board

3. A coil component 31, a rubber sheet 32, a single flat wire coil

33. Hollow hard tube 331, hollow hard tube one

332. Hollow hard tube two 4, PCB hard board image processing module

5. Four-pole plug B, closing structure

1. Lens image imaging module 11, stainless steel tube 12 and optical lens

13. Image acquisition chip 2, flexible line way board 3, hard tube subassembly

31. Rubber 32, hollow hard tube

4. PCB hard board image processing module 5 and four-pole plug

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 and 2, the utility model provides a flexible medical endoscope, which comprises a lens image imaging module 1, a flexible circuit board 2, a coil component 3 and a PCB hard board image processing module 4. The coil component 3 comprises a rubber sheet 31, a single flat coil 32 and a hollow hard tube 33, the hollow hard tube 33 comprises a first hollow hard tube 331 and a second hollow hard tube 332, the first hollow hard tube 331 and the second hollow hard tube 332 are used for accommodating the flexible circuit board 2, the rubber sheet 31 wraps the single flat coil 32, and the single flat coil 32 is tightly wound on the first hollow hard tube 331 and the second hollow hard tube 332 in a spiral mode. The outmost layer of camera lens image imaging module 1 is stainless steel pipe 11, and camera lens image imaging module 1 sets up the one end at single flat wire snake 32, and PCB hardboard image processing module 4 sets up the other end at single flat wire snake 32, and flexible line way board 2 holding is in hollow hard tube 33, and the tip of stainless steel pipe 11 is inwards buckled, forms binding off structure B to it is fixed with the embedding of rubber 31. The PCB hard board image processing module 4 displays the analyzed and processed image and result in an imaging mode on a display terminal through a 3.5mm four-pole plug 5 which is subsequently electrically connected with the PCB hard board image processing module.

As shown in fig. 2, the flexible medical endoscope of the present invention can be bent at will, so that it can greatly meet the requirement of exploring various physiological curvatures of human body. The first hollow hard pipe 331 of the utility model is arranged inside the joint of the single flat coil 32 and the stainless steel pipe 11 and is used for supporting the joint of the single flat coil 32 and the stainless steel pipe 11; the second hollow hard pipe 332 is arranged inside one end of the single flat coil 32 close to the PCB hard board image processing module 4 and is used for supporting the joint of the single flat coil 32 and the PCB hard board image processing module 4. The setting is so in order to be provided with hollow copper pipe at stainless steel and coiler subassembly 3, and coiler subassembly 3 and PCB hardboard image processing module 4 junction, can support the enhancement to the junction like this, the operation of being convenient for, long service life, because endoscope body main part is not provided with hollow copper pipe, so the flexibility is very good, satisfy the demand that the angle changed at will in the clinical use, also adapt to the physiology bending structure of human natural cavity way (such as oral cavity, the nasal cavity, the trachea, bronchus etc. the biggest about 90 bendings), need change the crookedness according to operation requirement etc. usually in the actual clinical application, be convenient for observe. That is to say, the utility model discloses an endoscope main part is soft tube core, and the junction is strengthened the fixed stay with hollow copper pipe, avoids because repetitious usage junction wearing and tearing or the phenomenon of buckling, sets up like this and can increase of service life, still is convenient for operate.

The first hollow hard pipe 331 is arranged inside the single flat wire coil 32 corresponding to the connecting position of the coil component 3 and the stainless steel pipe 11 and is used for supporting the connecting position of the single flat wire coil 32 and the stainless steel pipe 11.

The utility model discloses a 3.5mm four-pole plug 5 that PCB hardboard image processing module 4 is connected with it electricity through the follow-up connection, image and result after the analysis processes are at display terminal formation of image demonstration.

In a further embodiment of the present invention, the length of the first hollow rigid tube 331 is in the range of 6-10 mm, preferably 7 mm; the length range of the second hollow hard tube 332 is 45-55 mm, and preferably 50 mm. In this embodiment, the first hollow hard tube 331 and the second hollow hard tube 332 are both hollow copper tubes.

The utility model discloses a in the further embodiment, camera lens image imaging module 1 includes optical lens 12, image acquisition chip 14 and LED lamp, be provided with the image processing chip on the PCB hardboard image processing module 4. The optical lens 12 is electrically connected with the image acquisition chip 14 and is used for collecting optical signals of an image; the image acquisition chip 14 is electrically connected with the image processing chip through the flexible circuit board 2, the image acquisition chip 14 analyzes the optical signal collected by the optical lens 12 and forms an electric signal after photoelectric conversion, and the image processing chip is used for acquiring a falling edge signal of the electric signal and converting the falling edge signal into a CVBS signal for output; the LED lamp is disposed beside the optical lens 12 for providing a light source for the optical lens 12. Preferably, the front end of the optical lens 12 is sealed by a transparent adhesive 13. The utility model discloses a transparent adhesive tape 13 seals and to make 12 front end luminousness of endoscope optical lens good, and the later stage is washd also more conveniently, can not have the phenomenon of leaking, and the leakproofness is good like this, and water-proof effects is also good.

The utility model discloses only just realize waterproof and fixed dual function through transparent adhesive tape 13, replaced former glass piece structure, can be so that avoid the scratch that the glass piece caused in production and use.

In this embodiment, the front end of the optical lens 12 is sealed by a transparent adhesive 13, and the transparent adhesive 13 is encapsulated between the optical lens 12 and the stainless steel tube 11. Through sealing optical lens 12 with transparent adhesive 13 and sealing gap department between optical lens 12 and the stainless steel pipe 11 with transparent adhesive 13, on the one hand can fix optical lens 12 and stainless steel pipe 11 like this, still be convenient for the washing after the medical endoscope uses, and optical lens 12's front end is better than current transmittance, also because the existence of transparent adhesive 13, make endoscope front end water-proof effects better, the luminousness is good, still be convenient for wash, on the other hand also because replaced current glass piece with transparent adhesive 13, the production technology is simpler, the cost that still significantly reduces simultaneously.

In the embodiment of the present invention, the stainless steel tube 11 is wrapped outside the lens image imaging module 1, and the length of the stainless steel tube 11 is greater than that of the lens image imaging module 1, and the stainless steel tube 11 accommodates the end of the coil assembly 3 therein. The tip of single flat wire coiler 32 is provided with the extension section in rubber 31 parcel position department, and the tip of extension section and hollow hard tube all holds in nonrust steel pipe 11, and hollow hard tube, single flat wire coiler 32 and nonrust steel pipe 11 are through embedment epoxy glue fixed connection to can be once more with camera lens image imaging module 1 and coil subassembly 3 fixed connection, triple insurance, it is more firm to let whole endoscope.

In a further embodiment of the present invention, the rubber 31 is generally an elastic medical rubber 31, and the medical environmental-friendly rubber 31 is more sanitary and safer.

In a further embodiment of the present invention, the outer diameter of the coil assembly 3 is set to 1.9-4.8 mm, the length range is 300-500mm, and the outer diameter is smaller than 5.0mm of the existing endoscope, and the application range is larger.

1. the structure that the end part of the stainless steel pipe is buckled inwards is adopted, so that the surface is smoother and is not easy to scratch.

2. The stainless steel pipe inner buckle is embedded and fixed with the rubber, the hollow hard pipe, the single flat wire coil pipe and the stainless steel pipe are fixed through encapsulating epoxy resin glue, and the endoscope is stable and better fixed due to the triple fixing structure.

3. The flexible circuit board is accommodated in the hollow hard tube, can be bent at will and has small volume, so that the volume of the endoscope is greatly reduced.

4. The outer layer of the hollow hard tube is also wrapped with a single flat wire coil and a rubber sheet, which is beneficial to protecting the internal flexible circuit board and ensuring the normal work of the endoscope.

5. The front end of the lens image imaging module is sealed by the transparent adhesive tape, so that the waterproof effect of the front end of the optical lens is better, the later cleaning is more convenient, and the light transmittance is also good.

6. The outer diameter of the coil pipe assembly is set to be 1.9-4.8 mm, and compared with the existing endoscope, the outer diameter of the coil pipe assembly is smaller than 5.0mm, and the application range is larger.

7. The utility model discloses a soft endoscope main part is soft tube core, and the junction is strengthened the fixed stay with hollow copper pipe, avoids because repetitious usage junction wearing and tearing or the phenomenon of buckling, sets up like this and can increase of service life, the operation of still being convenient for.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A flexible medical endoscope is characterized by comprising a lens image imaging module, a flexible circuit board, a coil assembly and a PCB hard board image processing module;

2. A soft medical endoscope as defined in claim 1 wherein the first hollow rigid tube has a length of 6-10 mm.

3. A soft medical endoscope as defined in claim 1, wherein the second hollow hard tube has a length of 45-55 mm.

4. A flexible medical endoscope as in claim 1 wherein said first hollow rigid tube and said second hollow rigid tube are both hollow copper tubes.

5. The flexible medical endoscope of claim 1, wherein the lens image imaging module comprises an optical lens, an image collecting chip and an LED lamp, the PCB hard board image processing module is provided with an image processing chip,

the image acquisition chip is electrically connected with the image processing chip through the flexible circuit board, analyzes the optical signal collected by the optical lens and forms an electric signal after photoelectric conversion;

the image processing chip is used for collecting a falling edge signal of the electric signal and converting the falling edge signal into a CVBS signal for output;

6. A flexible medical endoscope as in claim 5 wherein said optical lens is potted with transparent glue at its front end.

7. A flexible medical endoscope as in claim 1 wherein the coil assembly has an outer diameter of 1.9-4.8 mm and a length of 300-500 mm.

8. A flexible medical endoscope as in claim 1 wherein said stainless steel tube is wrapped around said lens image imaging module and has a length greater than the length of said lens image imaging module, said stainless steel tube receiving the end of said coil assembly therein.

9. A flexible medical endoscope as in claim 1, wherein the end of the single flat coil is provided with an extension section at the position wrapped by the rubber sheet, the extension section and the end of the hollow hard tube are both accommodated in the stainless steel tube, and the hollow hard tube, the single flat coil and the stainless steel tube are fixedly connected by potting epoxy resin adhesive.

10. A flexible medical endoscope as in claim 1 wherein said rubber is a flexible medical rubber.