CN217987521U

CN217987521U - Disposable medical ultramicro electronic endoscope head structure with optical fiber light source

Info

Publication number: CN217987521U
Application number: CN202121487523.5U
Authority: CN
Inventors: 李文仁
Original assignee: Jiangsu Huashenglun Medical Instrument Co ltd
Current assignee: Jiangsu Huashenglun Medical Instrument Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-12-09
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a disposable medical ultramicro electronic endoscope head structure with an optical fiber light source, which comprises a packaging shell body; the inside of the packaging outer shell is provided with a camera sensor and a light guide sheet; the middle part of the light guide sheet is provided with a through hole, and the front end of the camera sensor is embedded and fixed in the through hole of the light guide sheet; the periphery of the camera sensor is provided with a plurality of optical fiber light sources at the rear end of the light guide sheet; the electrical terminals of the image sensor are connected with an image line AVOUT, a signal line CLK, a power line VDD and a ground line GND. The utility model discloses set up light guide plate at the camera lens front end, light guide plate is favorable to carrying out the scattering with light, and light after the scattering pierces through light guide plate and reachs the outside, has overcome fiber light source and has presented the light ring when luminous and lead to the light source to distribute inhomogeneous condition for the light dispersion is more even, can make the image region have more even extensive light, the observation of the endoscope of being convenient for.

Description

Disposable medical ultra-miniature electronic endoscope head structure with optical fiber light source

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a disposable medical ultra-miniature electronic endoscope head structure with an optical fiber light source.

Background

An electronic endoscope (endoscopy) is a medical electronic optical instrument integrating high-precision techniques such as light collection, machine and electricity, which can be inserted into body cavities and internal organs of human bodies for direct observation, diagnosis and treatment. It adopts an electronic imaging element-CCD (charge coupled device) with very small size to image the object in the cavity to be observed on the CCD through a tiny objective optical system, then sends the received image signal to an image processing system through an image guide fiber bundle, and finally outputs the processed image on a monitor for the observation and diagnosis of doctors.

The medical endoscope is directly used for observing the tissue morphology of internal organs of a human body, and the diagnosis accuracy is improved. With the development of science and technology, various advanced science and technology are permeating into medicine, microelectronics, computer technology, ultrasonic technology and automation technology enable medical endoscopes to be developed, various endoscopes are generated in succession, and functions of the endoscopes are expanded continuously to become a series of products integrating examination, diagnosis, treatment and operation.

The front end of the electronic endoscope must be provided with a light source, otherwise the internal structure of the human body cannot be observed. The light source in the prior art is unreasonable in design, light emitted by the light source is four apertures, the uniformity of the light is poor, the imaging effect is poor, and examination and judgment of doctors are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a disposable medical ultra-miniature electronic endoscope head structure with an optical fiber light source.

In order to achieve the above objects, one embodiment of the present invention provides a disposable medical ultra-miniature electronic endoscope head structure with an optical fiber light source, comprising a packaging housing; the inside of the packaging shell is provided with a camera sensor and a light guide sheet;

the middle part of the light guide sheet is provided with a through hole, and the front end of the camera sensor is embedded and fixed in the through hole of the light guide sheet; the periphery of the camera sensor is provided with a plurality of optical fiber light sources at the rear end of the light guide sheet;

the electrical terminal of the camera sensor is connected with an image line AVOUT, a signal line CLK, a power line VDD and a ground line GND;

the encapsulation structure comprises an encapsulation shell, an insulation protection wire, a light source, an image line AVOUT, a signal line CLK, a power line VDD and a ground line GND, wherein the encapsulation shell is filled with encapsulation colloid; the joint of the insulating protection wire and the packaging outer shell is also provided with a sleeve.

The utility model discloses in the preferred scheme, camera sensor is CCD sensor or CMOS sensor.

The utility model discloses in the preferred scheme, camera sensor's periphery evenly distributed has 4 fiber light sources.

In the preferred scheme of the utility model, the other end of the insulation protection wire is connected with a connector, and a plurality of electrical terminals are arranged in the connector and are respectively electrically connected with the optical fiber light source, the image line AVOUT, the signal line CLK, the power line VDD and the grounding line GND; the connector is filled with potting colloid.

The utility model discloses in the preferred scheme, optic fibre light source, image line AVOUT, signal line CLK, power cord VDD and earth connection GND's colour is inequality.

In the preferred embodiment of the present invention, the light guide plate is circular.

To sum up, the utility model has the advantages of it is following:

1. the utility model discloses a light source selection fiber optic source has less size, is convenient for install in super miniature electronic endoscope, and the light ring leads to the light source to distribute inhomogeneous condition in order to overcome fiber optic source when giving out light, the utility model discloses set up optical guide piece at the camera lens front end, optical guide piece is favorable to scattering light, and light after the scattering pierces through optical guide piece and reachs the outside for the photodispersion is more even, can make the image area have more even extensive light, the observation of the endoscope of being convenient for.

Drawings

Fig. 1 is a schematic view of an electronic endoscope head according to an embodiment of the present invention; wherein the sleeve portion and the connector portion are omitted;

fig. 2 is a schematic view of the installation of the image sensor and the light guide plate according to an embodiment of the present invention;

fig. 3 is a schematic view of an electronic endoscope head according to an embodiment of the present invention;

fig. 4 is a schematic view of the light source scattering of the electronic endoscope head according to an embodiment of the present invention;

fig. 5 is a schematic view of light source scattering when no light guiding sheet is arranged.

Wherein, 1, packaging the outer shell; 2. a camera sensor; 3. a fiber optic light source; 4. a light guide sheet; 5. an image line AVOUT; 6. a signal line CLK; 7. a power supply line VDD; 8. a ground line GND; 9. encapsulating the colloid; 10. insulating the protection line; 11. a sleeve; 12. a connector assembly.

Detailed Description

The utility model provides a disposable medical ultramicro electronic endoscope head structure with an optical fiber light source 3, which comprises a packaging shell body 1; the package housing 1 is provided with a camera sensor 2 and a light guide sheet 4 inside.

The shape and material of the package housing 1 can be selected according to actual conditions, and plastic material and circular structure are generally selected. The image sensor 2 is a main molding element, and in general, the image sensor 2 may be a CCD sensor or a CMOS sensor. The light guide plate 4 may be made of an organic material, such as an acrylic transparent material, and the light guide plate 4 may preferably have a circular shape.

The light guide plate 4 has a through hole in the middle, the shape and size of which match the camera sensor 2. The front end of the camera sensor 2 is embedded and fixed in the through hole of the light guide sheet 4, and the camera sensor and the light guide sheet can be tightly fixed under the action of the pouring sealant 9 and can also be fixed in advance by independently using other glue.

The periphery of the camera sensor 2 is provided with a plurality of optical fiber light sources 3 at the rear end of the light guide sheet 4. From the condition of light source dispersion, the light sources are dispersed from the center to the periphery, so that the light rays at the center of the lens are denser, the light rays at the edge area of the lens are sparser, or the light rays in the area between the two light sources are sparser than the light rays at the center of the lens, so that the optical fiber light sources 3 are arranged at the periphery of the lens, then the light rays are uniformly distributed through the light guide sheets 4, and the light ray distribution difference of different areas is reduced; so that the light emitted from the periphery and the front of the lens is more uniform.

An image line AVOUT5, a signal line CLK, a power line VDD7 and a ground line GND8 are connected to an electrical terminal of the image sensor 2; the circuit can supply power to the camera sensor 2 to complete signal transmission.

The inside packing of encapsulation shell body 1 has the potting colloid, and the potting colloid is softened before the embedment, and the embedment posthardening can keep apart each spare part, plays certain supporting role and guard action simultaneously, protects the internal circuit and does not receive external force and damage.

An insulating protection wire 10 is arranged at the tail part of the packaging outer shell 1 and used for wrapping the optical fiber light source 3, the image wire AVOUT5, the signal wire CLK, the power wire VDD7 and the grounding wire GND8. The connecting position of the insulating protection wire and the packaging shell body 1 is also provided with a sleeve 11, and the sleeve can be made of plastic materials with hardness larger than that of the insulating protection wire, so that the connecting position is prevented from being broken.

The utility model discloses an in the optimization embodiment, camera sensor 2's periphery evenly distributed has 4 fiber light source 3.

In the preferred embodiment of the present invention, the other end of the insulation protection wire is connected to a connector 12, and a plurality of electrical terminals are disposed in the connector and electrically connected to the optical fiber light source 3, the image line AVOUT5, the signal line CLK, the power line VDD7, and the ground line GND, respectively; the connector is filled with potting colloid.

The connector is a connector for connecting the endoscope head with other external devices, for example, signals of the endoscope head need to be transmitted to a computer, and the connector needs to be connected with a connecting port of the computer or other external devices, namely, electric energy transmission and signal transmission can be realized.

The utility model discloses an in the optimization embodiment, optical fiber light source 3, image line AVOUT5, signal line CLK, power cord VDD7 and earth connection GND's colour is inequality, is convenient for so be difficult to make mistakes when connecting.

Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the scope of the patent should not be limited thereto. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. A disposable medical ultra-miniature electronic endoscope head structure with an optical fiber light source is characterized in that: comprises a packaging outer shell; the inside of the packaging outer shell is provided with a camera sensor and a light guide sheet;

the electric terminal of the camera sensor is connected with an image line AVOUT, a signal line CLK, a power line VDD and a ground line GND;

the encapsulation structure comprises an encapsulation shell, an insulation protection wire, a light source, an image line AVOUT, a signal line CLK, a power line VDD and a ground line GND, wherein the encapsulation shell is filled with encapsulation colloid; and a sleeve is further arranged at the joint of the insulating protection wire and the packaging shell.

2. The disposable medical ultra-miniature electronic endoscope head structure with fiber optic light source of claim 1, wherein: the camera sensor is a CCD sensor or a CMOS sensor.

3. The disposable medical ultra-miniature electronic endoscope head structure with fiber optic light source of claim 1, wherein: the periphery of the camera sensor is uniformly distributed with 4 optical fiber light sources.

4. The disposable medical ultra-miniature electronic endoscope head structure with fiber optic light source of claim 1, wherein: the other end of the insulation protection wire is connected with a connector, and a plurality of electrical terminals are arranged in the connector and are respectively and electrically connected with the optical fiber light source, the image wire AVOUT, the signal wire CLK, the power wire VDD and the grounding wire GND; the connector is filled with potting colloid.

5. The disposable medical ultra-miniature electronic endoscope head structure with fiber optic light source of claim 1, wherein: the colors of the optical fiber light source, the image line AVOUT, the signal line CLK, the power line VDD and the ground line GND are different.

6. The disposable medical ultra-miniature electronic endoscope head structure with fiber optic light source of claim 1, wherein: the light guiding sheet is circular.