CN213216821U

CN213216821U - Medical endoscope

Info

Publication number: CN213216821U
Application number: CN202021524933.8U
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: 2021-05-18
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a medical endoscope, which comprises an image chip module, an electronic wire, a coil pipe component and a PCB hard board; the image chip module comprises an optical lens, an image acquisition chip, an image processing chip and an LED lamp, wherein the optical lens is electrically connected with the image acquisition chip, the image acquisition chip is electrically connected with the image processing chip, the LED lamp is arranged beside the optical lens, the coil pipe assembly comprises a rubber sheet, a single flat wire coil pipe and a hollow copper pipe, the outmost layer of the image chip module is a stainless steel pipe, the image chip module is arranged at one end of the single flat wire coil pipe, the PCB hard board is arranged at the other end of the single flat wire coil pipe, and the electronic wire is held in the hollow copper pipe. The utility model discloses mainly concentrate on image acquisition and processing chip and improve formation of image effect and pixel greatly at the front end, be applicable to the human body, electric connection stability is good, and data transmission is also stable.

Description

Medical endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a 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 partial functions of peeping, checking and even treatment, the existing medical endoscope is limited by the prior art, in the medical field, the imaging of the lens cannot obtain higher pixels and better imaging effect, and meanwhile, the lens cannot be smaller and thinner and has more models, so that the existing medical endoscope cannot be suitable for more crowds and can not provide a clearer exploration effect for clinic, and the treatment disease and the application range are enlarged.

On the other hand, although the existing medical endoscope can solve partial clinical examination and peeking, the structure and the process are old, the tightness effect of a front-end probe is poor, water leakage is easily caused in the using, disinfecting and cleaning processes, and the whole endoscope is damaged and discarded. Meanwhile, due to the influence of the original old structure and the limitation of the production process and technology of the endoscope, the problem of light reflection cannot be solved, so that a better visual field can be obtained, the existing flexible circuit board has poor stability after being used for many times, and the reject ratio of products manufactured by the flexible circuit board is also high.

Therefore, there is a need in the art to design a medical endoscope that solves the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a medical endoscope can solve the endoscope signal transmission that has now on the market and handle unstable, probe waterproof performance is poor, the camera lens is reflected light, the product defective rate is on the high side technical problem, and the new scheme can improve medical endoscope imaging effect and pixel greatly simultaneously.

The utility model provides a medical endoscope, which comprises an image chip module, an electronic wire, a coil pipe component and a PCB hard board;

the image chip module comprises an optical lens, an image acquisition chip, an image processing chip and an LED lamp, the optical lens is electrically connected with the image acquisition chip, the image acquisition chip is electrically connected with the image processing chip, the LED lamp is arranged beside the optical lens, wherein,

the optical lens is used for collecting optical signals of images;

the image acquisition chip analyzes the optical signals collected by the optical lens and forms electric signals 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;

the LED lamp is used for providing a light source for the optical lens;

the image chip module outputs the output signal of the image processing chip to the PCB hard board through the electronic wire;

the coil component comprises a rubber sheet, a single flat coil and a hollow copper pipe, wherein the rubber sheet is wrapped on the single flat coil, the single flat coil is tightly wound on the hollow copper pipe in a winding manner, and the end part of the single flat coil is fixedly connected with the end part of the hollow copper pipe;

the outmost stainless steel pipe that is of image chip module, the image chip module sets up the one end of single flat wire snake, the PCB hardboard sets up the other end of single flat wire snake, just the electron line holding is in the hollow copper pipe, the tip of nonrust steel pipe is inwards detained, and with it is fixed to glue the skin embedding.

Preferably, the optical lens is sealed by transparent adhesive.

Preferably, a transparent adhesive tape is encapsulated between the optical lens and the stainless steel tube.

Preferably, the outer diameter of the coil component is 1.9-4.8 mm.

Preferably, the stainless steel pipe wraps the outside of the image chip module, the length of the stainless steel pipe is greater than that of the image chip module, and the end of the coil assembly is accommodated in the stainless steel pipe.

Preferably, the end part 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 part of the hollow copper pipe are accommodated in the stainless steel pipe, and the hollow copper pipe, the single flat coil and the stainless steel pipe are fixedly connected through potting epoxy resin glue.

Preferably, the rubber is elastic medical rubber.

Preferably, the single flat wire coil pipe can be bent and shaped at will, and the inner diameter of the hollow copper pipe is smaller than 2 mm.

Preferably, a 3.5mm four-pole plug for connecting the display device is fixedly arranged on the PCB hard board, and the four-pole plug is electrically connected with the PCB hard board.

Preferably, the image acquisition chip is an image sensing chip, and the image sensing chip is a CCD type image sensing chip or a CMOS type image sensing chip;

the image processing chip is a processing chip which converts the image sensor signal into a CVBS signal and outputs the CVBS signal.

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

1. the utility model discloses a pipe size 1.9 ~ 4.8mm compares that current endoscope external diameter 5.0mm is more tiny among the medical endoscope, and application range is bigger.

2. The utility model discloses an optical lens front end of medical endoscope adopts the transparent adhesive tape to seal, adopts the transparent adhesive tape to seal and washs the disinfection easily after using, and the luminousness is better, can not cause the image unfavorable condition such as camera lens white shadow, still plays waterproof, improves the effect of definition, the cost that can significantly reduce simultaneously.

3. The utility model discloses with adopting to concentrate on the front end with image acquisition and processing chip, replace current FPC with the electronic line, new structure has promoted camera lens formation of image effect and pixel greatly, the adjustment has been made to image acquisition processing scheme simultaneously, the circuit has optimized, the too high problem of old structure operating temperature has also been improved, can reduce the various bad phenomena that the product appears in production and use by a wide margin like this, the product yield is high, and the electronic line is compared current FPC electricity and is connected stability good, data transmission is also stable.

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 medical endoscope of the present invention.

Description of reference numerals:

1. image chip module 11, stainless steel tube 12 and transparent adhesive tape

13. Optical lens 14, image acquisition chip 15 and image processing chip

2. Electronic wire 3, coil component 31 and rubber sheet

32. Single flat wire coil pipe 33, hollow copper pipe 4 and PCB hard board

5. Four-pole plug B, closing structure

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, the utility model provides a medical endoscope, which comprises an image chip module 1, an electronic wire 2, a coil component 3 and a PCB hard board 4. The image chip module 1 comprises an optical lens 13, an image acquisition chip 14, an image processing chip 15 and an LED lamp, wherein the optical lens 13 is electrically connected with the image acquisition chip 14, the image acquisition chip 14 is electrically connected with the image processing chip 15, the LED lamp is arranged beside the optical lens 13 and is electrically connected with the PCB hard board 4 through an electronic wire 2. The optical lens 13 is used for collecting optical signals of an image, and the image acquisition chip 14 analyzes the optical signals collected by the optical lens 13 and forms electrical signals after photoelectric conversion; the image processing chip 15 is used for collecting a falling edge signal of the electric signal and converting the falling edge signal into a CVBS signal for output; the LED lamp is used for providing a light source for the optical lens 13; the image chip module 1 outputs the output signal of the image processing chip 15 through the electronic wire 2 and the PCB hard board 4. Place most electronic components at the product front end in this embodiment to replace current FPC circuit board (flexible circuit board) with electron line 2, can reduce the various harmfulness that the product appears in production and use like this by a wide margin, and adopt electron line 2 transmission data stability good, can buckle at will, occupy small, greatly reduced the volume of endoscope.

The utility model discloses an electron line 2 carries out data transmission, and specific electron line model is UIL10064, certainly can also be for the electron line 2 of other models, as long as satisfy can carry out the data transmission function can.

In the present embodiment, when the medical endoscope is in operation, the LED lights are on to illuminate the field of view, and provide good light for the optical lens 13 and the image capture chip 14 to capture signals.

The utility model discloses a coiler subassembly 3 includes rubber 31, single flat wire coiler 32 and hollow copper pipe 33, and rubber 31 parcel is on single flat wire coiler 32, and single flat wire coiler 32 closely spirals and twines on hollow copper pipe 33, and the tip fixed connection of single flat wire coiler 32 and hollow copper pipe 33, wherein, single flat wire coiler 32 can bend the design at will, and hollow copper pipe 33 internal diameter is less than 2 mm. The outmost layer of above-mentioned image chip module 1 is stainless steel pipe 11, and image chip module 1 sets up the one end at single flat wire coil 32, and PCB hardboard 4 sets up the other end at single flat wire coil 32, and electronic wire 2 holding is in hollow copper pipe 33, and the tip of stainless steel pipe 11 is inwards detained to it is fixed with the embedding of rubber 31. The image acquisition chip 14 and the image processing chip 15 are both located at the rear end of the optical lens 13 and also at the rear end inside the stainless steel tube 11.

Preferably, the stainless steel tube 11 is wrapped outside the image chip module 1, and the length of the stainless steel tube 11 is greater than that of the image chip module 1, and the stainless steel tube 11 accommodates the end of the coil assembly 3 therein. Preferably, the tip of single flat wire coiler 32 is provided with the extension at rubber 31 parcel position department, and the tip of extension and hollow copper pipe 33 all holds in stainless steel pipe 11, and hollow copper pipe 33, single flat wire coiler 32 and stainless steel pipe 11 are through embedment epoxy glue fixed connection to can be again with image chip module 1 and coil subassembly 3 fixed connection, triple insurance, it is more firm to let whole endoscope.

The utility model discloses with 2 holding of electron line in hollow copper pipe 33, and hollow copper pipe 33 skin has still wrapped up single flat wire worm 32 and rubber 31, be favorable to protecting inside electron line 2, guarantee the normal work of endoscope, and adopt stainless steel pipe 11 to wrap up the inner structure who lives the endoscope probe, the live time is longer, and the tip of stainless steel pipe 11 is inwards detained, form binding off structure B, it is more smooth to make the surface, it is human to be difficult for the scratch, and it is fixed with the embedding of rubber 31, let the probe be connected more firmly with worm subassembly 3 as the connecting pipe.

The utility model discloses a single flat wire coil 32 that can bend at will is favorable to finalizing the design well, because this medical endoscope need stretch into in the human body, the human body structure is complicated, if stretch into the pipe can not finalize the design, inserts wrong direction very easily, and the utility model discloses a structure more does benefit to the accuracy and inserts, and the rubber 31 of in addition single flat wire coil 32 outside parcel is medical environmental protection rubber 31, more sanitary safety.

In this embodiment, the single flat coil 32 and the PCB 4 are welded together by COB technique, and the whole PCB 4 is accommodated in a detachable plastic housing and fixed by glue injection, in this embodiment, the image processing chip 15 in the PCB image processing module in the prior art is moved to the front end of the medical endoscope electronic component and placed at the front end of the product, and other functions of the original PCB image processing module except data processing are retained, so that various adverse phenomena occurring in the production and use processes can be greatly reduced, in this embodiment, the PCB 4 is a key part of the whole medical endoscope image acquisition and long-distance transmission separation structure, and can transmit, receive and transmit signals of image information acquired by the image acquisition chip 14, and is electrically connected with the image acquisition chip by subsequent connection, namely, a 3.5mm four-pole plug 5, the image and the result after the analysis and the processing are displayed in an imaging mode on a display terminal, in order to well transmit and receive signals, the PCB hard board 4 is wrapped by a plastic shell and subjected to low-temperature glue injection, the PCB hard board 4 is well protected, and therefore the service life of the whole endoscope is prolonged.

The above structure is adopted in the utility model, do not receive the influence of use number of times, can use repeatedly many times, and the utility model discloses an image chip module and the new structure of electron line that corresponds the replacement and use concentrates on the camera lens front end with electron devices such as image acquisition chip and processing chip through this new structure, and the adjustment has been done to relative prior art whole scheme, and line connection has also optimized, can also improve the problem that the temperature is too high like this.

In a further embodiment of the present invention, the optical lens 13 is sealed by transparent adhesive 12, and the transparent adhesive 12 is also encapsulated between the optical lens 13 and the stainless steel tube 11. The utility model discloses a transparent adhesive 12 seals and has optimized production technology, when reduction in production cost, obtains better luminousness, improves the camera lens definition, and it is also more convenient that the later stage washs, can not have the phenomenon of leaking, and the leakproofness is good like this, and water-proof effects is also good.

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 the further embodiment of the utility model, the external diameter of above-mentioned coil subassembly 33 sets up to 1.9 ~ 4.8mm, compares that present endoscope external diameter 5.0mm is more tiny, and application range is bigger.

The utility model discloses used image acquisition chip 14 and image processing chip 15 are the ordinary chip of selling on the market, can handle high pixel color image, such chip purchase is convenient, and can handle high pixel color image, optical lens 13 can adopt the signal that has the real CVBS (composite video broadcast signal) signal to satisfy PAL, NTSC or 960H standard, image display is more clear, and compare with the single-chip that only is expensive among the prior art, therefore, the cost is low, the cost of endoscope is greatly reduced, and the pixel is up to more than 30 ten thousand pixels of physics, accord with CVBS's video standard completely; the image processing chip 15 is any processing chip capable of directly converting the image sensor signal into a CVBS signal for output. PAL is Phase alternation Line, Phase-by-Line inversion quadrature balanced amplitude modulation, NTSC is National Television Standards Committee, Phase-by-Line inversion quadrature balanced amplitude modulation, and 960H is 960 × 576 system.

The image capturing chip 14 is an image sensing chip, which may be a CCD type image sensing chip or a CMOS type image sensing chip, and it photoelectrically converts the light of the image sensed on the image capturing chip 14 to charge the electrode with negative and positive charges, and the electrical signals generated by these two complementary effects are sequentially extracted from the individual pixels to an external a/D converter. The image processing chip 15 is any processing chip capable of directly converting an electric signal into a CVBS signal and outputting the CVBS signal. The image capture chip 14 preferably employs an image capture chip 14 of more than 30 physical pixels.

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. Utilize stainless steel pipe interior knot and fixed with the rubber embedding, hollow copper pipe, single flat wire coil and stainless steel pipe are fixed through embedment epoxy glue, and triple fixed knot constructs, makes the endoscope steadiness better.

3. The electronic wire is accommodated in the hollow copper 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 copper tube is also wrapped by a single flat wire coil and a rubber sheet, which is beneficial to protecting the internal electronic wire and ensuring the normal work of the endoscope.

5. The front end of the image chip module is sealed by adopting the transparent adhesive tape, so that the production process of the lens is optimized, the production cost is reduced, better light transmittance is obtained, the definition of the lens is improved, the waterproof and sealing performance is good, and the later cleaning is more convenient.

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 optimized circuit is adopted, the image acquisition and processing chip is centralized at the front end, the FPC is replaced by the electronic wire, the imaging effect and the pixels are improved, the overhigh temperature of the common image acquisition and processing chip during working is avoided, various defects of products in the production and use processes are reduced, the new medical endoscope obtains a clearer imaging effect, and the endoscope is applicable to human bodies.

8. The image acquisition chip and the image processing chip are commonly used chips, so that the price is low, and the cost of the endoscope is greatly reduced.

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 medical endoscope is characterized by comprising an image chip module, an electronic wire, a coil assembly and a PCB (printed circuit board);

the optical lens is used for collecting optical signals of images;

the LED lamp is used for providing a light source for the optical lens;

2. The medical endoscope of claim 1, wherein the optical lens is sealed with a transparent adhesive.

3. The medical endoscope of claim 2, wherein a transparent adhesive is encapsulated between the optical lens and the stainless steel tube.

4. The medical endoscope of claim 1, wherein the coil assembly has an outer diameter of 1.9-4.8 mm.

5. The medical endoscope of claim 1, wherein the stainless steel tube is wrapped around the outside of the image chip module and has a length greater than that of the image chip module, the stainless steel tube receiving the end of the coil assembly therein.

6. The medical endoscope of claim 1, wherein the end of the single flat coil is provided with an extension section at the position wrapped by the rubber, the extension section and the end of the hollow copper tube are both accommodated in the stainless steel tube, and the hollow copper tube, the single flat coil and the stainless steel tube are fixedly connected by potting epoxy resin glue.

7. The medical endoscope of claim 1, wherein the rubber is an elastic medical rubber.

8. The medical endoscope of claim 1, wherein said single flat wire coil is shaped by bending at will, and the inner diameter of said hollow copper tube is less than 2 mm.

9. The medical endoscope of claim 1, wherein a 3.5mm four-pole plug for connecting a display device is fixedly arranged on the PCB rigid board, and the four-pole plug is electrically connected with the PCB rigid board.

10. The medical endoscope of claim 1,

the image acquisition chip is an image sensing chip which is a CCD type image sensing chip or a CMOS type image sensing chip;