CN118120117A

CN118120117A - Endoscope camera system and electric connector, camera host computer and signal transmission cable thereof

Info

Publication number: CN118120117A
Application number: CN202180103784.9A
Authority: CN
Inventors: 焦坤
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2024-05-31
Also published as: WO2023123202A1

Abstract

An endoscope imaging system (1000), an electrical connector (80), an endoscope imaging host (50), and a signal transmission cable (71), the electrical connector (80) comprising: the first terminal (1), the first terminal (1) has connecting cavity (11), one end of the connecting cavity (11) has interface, there are elastic connectors (12) in the connecting cavity (11), the elastic connector (12) includes the wire spring (121) and/or crown spring; and a second terminal (2), wherein the second terminal (2) is provided with a connecting part (21), and the connecting part (21) is used for being inserted into the connecting cavity (11) to be connected with the wire spring (121). Because the wire spring (121) is of an elastic linear structure, the connection of the wire spring (121) and the second terminal (2) forms elastic point contact and/or wire contact, so that the connection stability of the first terminal (1) and the second terminal (2) can be ensured, the contact area is reduced, foreign matters can be prevented from remaining on a contact surface in the repeated plugging process, and further, the long-term stable high-speed signal transmission of the electric connector (80) for the endoscope camera system (1000) can be ensured; meanwhile, the elastic connection is realized by adopting the wire spring (121), so that the adaptability of the first terminal (1) and the second terminal (2) is strong, the installation requirement is low, and the device can be suitable for frequent disinfection and sterilization.

Description

Endoscope camera system and electric connector, camera host computer and signal transmission cable thereof

Technical Field

The invention relates to the technical field of medical instruments, in particular to an endoscope camera system, an electric connector thereof, an endoscope camera host and a signal transmission cable.

Background

With the development of technology and the need of reducing patient wound, minimally invasive surgery is becoming more popular and widely used, and minimally invasive surgery not only requires a doctor with abundant anatomical knowledge and skillful medical operation technology, but also requires fine surgical instruments, advanced imaging equipment and the like as assistance and guarantee. The endoscope is used as medical imaging equipment with high technical content, is an important tool for a doctor to peep into internal organs (key parts such as abdominal cavity, thoracic cavity, bladder and the like) of a patient in the operation process, prolongs the visual range of eyes of the doctor in the operation process, and helps the doctor to observe and position focuses by using scientific means, so that the operation is safely performed under the visual condition, and is a necessary device for the doctor to perform minimally invasive surgery.

The endoscope consists of a light source illumination part, an optical lens, an image sensing part, a signal output signal transmission cable, a signal processing and control host and a display device, along with the complex and changeable medical environment and the high requirements of accurate medical treatment, the endoscope device is required to have higher definition and resolution, higher reliability and more functions (display requirements such as fluorescence, 3D and the like) on the basis of the original basically visible functions, the endoscope is required to acquire, transmit and process higher speed and larger data volume by the new functions such as 4K high definition and 3D and the like, the video data acquisition and high-speed data transmission in the current endoscope structure are realized by adopting a front-end camera and a transmission cable, the host and the high-speed signal transmission cable of the medical device are designed to be separable for facilitating the disinfection and sterilization operation of the post-operation signal transmission cable, and the high-speed connector which is connected with a host interface in a matched manner is required to be realized on the signal transmission cable of the medical device.

The connector of the high-speed connecting wire of the host computer and the camera of the current medical equipment mainly comprises a photoelectric hybrid connector and an electric connector, wherein the photoelectric hybrid connector has higher cost and high installation difficulty, and the surface is easy to pollute and can not adapt to frequent disinfection and sterilization of medical environment; the electric connector mainly comprises two modes of golden fingers and circular insertion, foreign matters are easily generated on the contact surface in the two modes, the stability of connection transmission cannot be guaranteed, and the electric connector cannot be suitable for high-speed signal transmission.

Technical problem

Technical solution

In one embodiment, an electrical connector for an endoscopic imaging system is provided, comprising:

The signal connection piece is connected with the fixed ring to form a tubular structure, and the middle diameter of the tubular structure is smaller than the opening of at least one end; and

And a second terminal having a connecting portion with a diameter smaller than the opening of the tubular structure and larger than the middle diameter of the tubular structure.

In one embodiment, the signal connection is a wire or sheet metal piece.

In one embodiment, the signal connection comprises a wire spring and/or a crown spring.

In one embodiment, the signal connection member has a linear structure, and a length direction of the signal connection member is inclined with respect to an insertion direction of the connection portion.

In one embodiment, the signal connection member has a curved structure, and the middle part of the signal connection member is concavely curved.

In one embodiment, a connection cavity is provided in the first terminal, and the tubular structure is floatably provided in the connection cavity.

In one embodiment, there is a floating gap between the tubular structure and the inner wall of the connection cavity in a direction perpendicular to the insertion of the connection portion.

In one embodiment, the fixing ring comprises a first fixing ring and a second fixing ring, and two ends of the signal connecting piece are respectively connected to the first fixing ring and the second fixing ring.

In one embodiment, an insertion portion is disposed at one end of the first terminal away from the second terminal, one end of the insertion portion is inserted into the tubular structure, and the other end of the insertion portion protrudes out of the second terminal and is used for being connected with an insertion hole on a camera host or a signal transmission cable in the endoscopic camera system.

In an embodiment, the fixed ring includes the first fixed ring, the fixed ring of second and the fixed ring of third of axial interval distribution in proper order, the signal connection spare includes first group and second group, the both ends of first group respectively with first fixed ring with the fixed ring of second forms first tubular structure, the both ends of second group respectively with the fixed ring of second with the fixed ring of third forms the second tubular structure, first tubular structure is used for joining in marriage and inserts the connecting portion of second terminal.

In one embodiment, an insertion portion is disposed at one end of the first terminal away from the second terminal, one end of the insertion portion is inserted into the second tubular structure, and the other end of the insertion portion protrudes out of the second terminal and is used for being connected with an insertion hole on a camera host or a signal transmission cable in the endoscopic camera system.

In one embodiment, a plurality of the first terminals and a plurality of the second terminals are included.

The first terminal is provided with a connecting cavity, one end of the connecting cavity is provided with an inserting port, an elastic connecting piece is arranged in the connecting cavity, and the elastic connecting piece comprises a signal connecting piece; and

And the second terminal is provided with a connecting part which is used for being inserted into the connecting cavity to be electrically connected with the wire spring so as to transmit the electric signal in the endoscope camera system.

In one embodiment, the signal connection is a wire or sheet metal piece.

In one embodiment, the signal connector encloses an elastic tube for plugging the connection part.

In one embodiment, part or all of the inner diameter of the elastic tube is smaller than the outer diameter of the connection part, and the elastic tube is used for connecting with the connection part through elastic deformation.

In one embodiment, the middle portion of the elastic tube is narrowed.

In one embodiment, the wire spring has a linear structure, and the length direction of the wire spring is parallel and/or inclined relative to the insertion direction of the connecting portion.

In one embodiment, the elastic connector further comprises a first fixing ring and a second fixing ring, one end of the wire spring is connected with the first fixing ring, and the other end of the signal connector is connected with the second fixing ring.

In one embodiment, the elastic connector is floatably arranged in the connecting cavity, and the elastic connector is used for floatably inserting the connecting portion.

In one embodiment, there is a floating gap between the elastic connection member and the inner wall of the connection chamber in a direction perpendicular to the direction in which the connection portion is inserted.

In one embodiment, an inserting portion is disposed at an end of the first terminal away from the inserting port, and the inserting portion is used for being electrically connected with an inserting hole on a camera host or a signal transmission cable in the endoscopic camera system.

In one embodiment, the plug portion is an elastic structure, and a part or all of the plug portion has an outer diameter larger than an inner diameter of a plug hole of the medical device.

In one embodiment, the middle part of the plug part has a larger outer diameter than the outer diameters of the two ends of the plug part, and the middle part of the plug part is provided with an opening.

The first terminal is provided with a plug cavity; and

And the second terminal is provided with a connecting part which is used for being inserted into the plug-in cavity to be in point contact with the inner wall of the plug-in cavity and/or in wire electric connection so as to transmit electric signals in the endoscope camera system.

In one embodiment, the insertion cavity is of a tubular structure, and part or all of the inner diameter of the insertion cavity is smaller than the outer diameter of the connecting portion, and the insertion cavity is used for being connected with the connecting portion through elastic deformation.

In one embodiment, a signal connection piece is arranged in the first terminal, the signal connection piece is enclosed into the plug-in cavity, and the wire spring is in point contact and/or wire connection with the connection part.

In one embodiment, the plugging cavity is a floating structure, and the plugging cavity is used for floating adapting to plugging of the connecting part.

In one embodiment, an end of the first terminal away from the second terminal is provided with a plugging portion, and the plugging portion is electrically connected with a plugging hole on a camera host or a signal transmission cable in the endoscopic camera system.

In one embodiment, the plugging portion is of an elastic structure, and a part or all of the outer diameter of the plugging portion is larger than the inner diameter of a plugging hole on a camera host or a signal transmission cable in the endoscopic camera system.

The first terminal is provided with a connecting cavity, one end of the connecting cavity is provided with an inserting port, and an elastic wall is arranged in the connecting cavity; and

The second terminal is provided with a connecting part which is used for being inserted into the inserting cavity and is in point contact with and/or wire-connected with the elastic wall of the inserting cavity so as to transmit electric signals in the endoscope camera system.

In one embodiment, a wire spring and/or a crown spring is arranged in the connecting cavity, the wire spring and/or the crown spring form the elastic wall, and the wire spring is in point contact with and/or wire connection with the connecting part.

In one embodiment, the elastic wall encloses a tubular structure, part or all of the inner diameter of the tubular structure is smaller than the outer diameter of the connecting portion, and the elastic wall is used for connecting with the connecting portion through elastic deformation.

In one embodiment, the elastic wall is a floating structure, and the elastic wall is used for floating adapting to the plugging of the connecting part.

In one embodiment, an end of the first terminal away from the second terminal is provided with a plugging portion, and the plugging portion is used for being electrically connected with a plugging hole on a camera host or a signal transmission cable in the endoscopic camera system.

In one embodiment, an electrical connector for an endoscopic camera system is provided, comprising a first terminal having a connection cavity with an insertion port at one end, an elastic connector disposed in the connection cavity, the elastic connector comprising a signal connector for forming an electrical connection with an inserted terminal point contact and/or line contact for transmitting an electrical signal in the endoscopic camera system.

In one embodiment, an end of the first terminal, which is far away from the plug interface, is provided with a plug part, and the plug part is used for being electrically connected with a plug hole of the medical equipment.

In one embodiment, an endoscope camera host computer is provided, including box and treater, the treater sets up in the box, the treater is used for handling the signal of telecommunication and exporting the image after handling, the outside of box is equipped with electric connector socket end, electric connector socket end includes signal jack, signal jack is arranged in pegging graft the terminal of signal transmission cable in the endoscope camera system, signal jack and the terminal point contact and/or the line contact formation electricity of signal transmission cable are connected, in order to acquire the signal of telecommunication and transmit to the treater.

In one embodiment, a signal connector is disposed in the signal jack, and the signal connector includes a wire spring and/or a crown spring, where the wire spring and/or the crown spring enclose an elastic tube, and the elastic tube is used to plug in a terminal of the signal transmission cable.

In one embodiment, part or all of the inner diameter of the elastic tube is smaller than the outer diameter of the terminal of the signal transmission cable, and the elastic tube is used for connecting with the terminal of the signal transmission cable through elastic deformation.

In one embodiment, the middle portion of the elastic tube is narrowed.

In one embodiment, the wire spring has a linear structure, and a length direction of the wire spring is parallel and/or inclined with respect to an insertion direction of the terminal of the signal transmission cable.

In one embodiment, the signal connection is floatably disposed within the signal jack.

In one embodiment, there is a floating gap between the signal connection member and the inner wall of the signal jack in a direction perpendicular to the direction in which the signal transmission cable terminal is inserted.

In one embodiment, a signal transmission cable for an endoscope camera system is provided, and the signal transmission cable is characterized by comprising a first connection end, a second connection end and a cable part positioned between the first connection end and the second connection end, wherein the first connection end is used for being connected with an endoscope camera, and the second connection end is used for being connected with a camera host; the second connecting end is provided with a signal jack, and the signal jack is used for being inserted into a host terminal of the camera host and is in point contact and/or line contact with the host terminal to form electric connection so as to transmit an electric signal to the camera host.

In one embodiment, an elastic connector is disposed in the signal jack, the signal connector includes a wire spring and/or a crown spring, the wire spring and/or the crown spring enclose an elastic tube, and the elastic tube is used for plugging the host terminal.

In one embodiment, part or all of the inner diameter of the elastic tube is smaller than the outer diameter of the host terminal, and the elastic tube is used for connecting with the host terminal through elastic deformation.

In one embodiment, the middle portion of the elastic tube is narrowed.

In one embodiment, the wire spring has a linear structure, and the length direction of the wire spring is parallel and/or inclined relative to the insertion direction of the host terminal.

In one embodiment, an endoscope camera system is provided, which comprises a light source, a light guide beam, an endoscope, a camera, a signal transmission cable, a camera host and the electric connector for the endoscope camera system, wherein the light source is connected with the endoscope through the light guide beam, one end of the endoscope camera is connected with the endoscope, the other end of the camera is connected with one end of the signal transmission cable, and the other end of the signal transmission cable is connected with the camera host through the electric connector for the endoscope camera system; the endoscope comprises an illumination light path and an imaging light path, wherein the illumination light path is in butt joint with the light guide beam, and the imaging light path is in butt joint with the camera.

Advantageous effects

According to the electric connector for the endoscope camera system, the signal connecting piece is arranged in the first terminal, the connecting part of the second terminal is connected with the wire spring to realize electric connection and signal connection, and the wire spring is of an elastic linear structure, so that the connection of the wire spring and the second terminal forms elastic point contact and/or wire contact, the stability of the connection of the first terminal and the second terminal can be ensured, the contact mode between the first terminal and the second terminal is point contact and/or wire contact, the contact area is reduced, foreign matters remained on a contact surface in the repeated plugging process can be avoided, and long-term stable high-speed signal transmission of the electric connector for the endoscope camera system can be ensured; simultaneously, because adopt the wire spring to realize elastic connection, the suitability of first terminal and second terminal is strong, and the installation requirement is low, and then can adapt to the frequent disinfection and sterilization of medical environment.

Drawings

FIG. 1 is a schematic diagram of an electrical connector according to an embodiment;

FIG. 2 is a partial axial cross-sectional view of a first terminal in one embodiment;

FIG. 3 is a schematic view of an elastic connector in an embodiment;

FIG. 4 is an axial schematic view of an elastic connector in one embodiment;

FIG. 5 is a schematic diagram showing the structure of the first terminal and the second terminal in an embodiment;

FIG. 6 is a schematic diagram showing a structure of a connection portion of a second terminal and an elastic connection member in an embodiment;

FIG. 7 is an axial schematic view of a connection portion of a second terminal being plugged with an elastic connection member according to an embodiment;

FIG. 8 is a schematic diagram of a structure in which a first terminal and a second terminal are plugged in one embodiment;

FIG. 9 is a schematic view of a partial structure of a first terminal and a second terminal in an embodiment;

fig. 10 is a schematic structural view of a plugging portion of a first terminal in an embodiment;

Fig. 11 is a schematic structural diagram of a connection between a plug portion of a first terminal and a camera host in an embodiment;

FIG. 12 is a schematic diagram of the impedance of an electrical connector in one embodiment;

FIG. 13 is a schematic diagram of echo damage of an electrical connector in one embodiment;

FIG. 14 is a schematic view of an elastic connector in an embodiment;

FIG. 15 is a schematic view of an electrical connector according to one embodiment;

FIG. 16 is a schematic view of a partial structure of an electrical connector according to one embodiment;

FIG. 17 is a schematic diagram of the camera host of the endoscopic camera system in one embodiment;

FIG. 18 is a schematic diagram of the structure of a signal transmission cable of an endoscopic camera system in one embodiment;

FIG. 19 is a schematic diagram of an endoscopic imaging system in one embodiment;

wherein the reference numerals are as follows:

1-a first terminal, 11-a connecting cavity, 12-an elastic connecting piece, 121-a wire spring, 122-a first fixing ring, 123-a second fixing ring, 13-a plug part, 131-an opening, 2-a second terminal and 21-a connecting part; 3-box, 31-electrical connector socket end, 41-first connection end, 42-second connection end, 43-cable section;

10-light source, 20-light guide beam, 30-endoscope, 40-camera, 50-camera host, 60-display, 71-signal transmission cable, 72-video connecting wire, 80-electric connector for endoscope camera system, 100-to-be-observed part, 1000-endoscope camera system.

Embodiments of the invention

The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.

Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.

In one embodiment, an electrical connector for an endoscopic imaging system is provided for mounting between a signal transmission cable of a medical device and a host of the medical device, the electrical connector for the endoscopic imaging system for electrical signal and power transmission of the medical device. For example, the electrical connector for the endoscope camera system is applied to the endoscope camera system, and the electrical connector for the endoscope camera system is connected between a signal transmission cable of the endoscope camera system and a camera host of the endoscope camera system, and is used for transmitting imaging signals generated by an endoscope camera to the camera host to realize imaging.

Referring to fig. 1, an electrical connector for an endoscope camera system of the present embodiment mainly includes a first terminal 1 and a second terminal 2, wherein the first terminal 1 is a female terminal, the second terminal 2 is a male terminal, and the second terminal 2 can be inserted into the first terminal 1 to form an electrical connection. The first terminal 1 is preferably mounted on a host of the endoscope, the second terminal 2 is preferably mounted on a signal transmission cable of the endoscope, and the male head is positioned outside and is easy to realize the plug-in operation. Of course, the first terminal 1 is mounted on the signal transmission cable of the endoscope, and the second terminal 2 is mounted on the main body of the endoscope, so that detachable electrical connection can be realized.

Referring to fig. 2 and 5, the body of the first terminal 1 has a connecting cavity 11, one end of the connecting cavity 11 has an inserting port, and the inserting port is communicated with the connecting cavity 11, and is used for inserting the second terminal 2 into the connecting cavity 11. An elastic connecting piece 12 is arranged in the connecting cavity 11 of the first terminal 1, and the elastic connecting piece 12 comprises an elastic component made of metal conductive materials. The second terminal 2 has a protruding connecting portion 21, the connecting portion 21 preferably has a columnar structure, and the connecting portion 21 is entirely made of a metal conductive material, or all or part of the outer circumferential surface of the connecting portion 21 is made of a metal conductive material. The connection part 21 is used for being inserted into the connection cavity 11 through the plug-in port to be connected with the elastic connection piece 12, and the metal conductive material on the connection part 21 is contacted with the elastic component of the elastic connection piece 12 to form electric connection. The end of the connecting portion 21 is preferably spherical or has an inclined guide structure so that the connecting portion 21 is more easily inserted into the connecting cavity 11 to be connected with the elastic connection member 12.

The elastic connection 12 is preferably a tubular structure with an inner diameter adapted to the outer diameter of the connection 21 so that the connection 21 can be inserted into the elastic connection 12 of the tubular structure. The elastic connection member 12 may be formed in a square tubular shape or may include two opposing elastic connection surfaces, and the connection portion 21 may be formed in a structure corresponding to the elastic connection member 12, so that the connection portion 21 and the elastic connection member 12 may be electrically connected.

Referring to fig. 3 and 4, the elastic connection member 12 includes a signal connection member, where the signal connection member may include a wire spring or a crown spring, and the signal connection member may be composed of a wire spring alone, a crown spring alone, or a mixture of a wire spring and a crown spring, where the wire spring is a wire-shaped metal member, and the crown spring is a sheet-shaped metal member. In this embodiment, the signal connection member includes a plurality of wire springs 121, and the number of wire springs 121 may be set according to the size of the first terminal 1, for example, the wire springs 121 include 8 or 10 wires. The plurality of wire springs 121 are enclosed into a circular tubular structure, that is, the plurality of wire springs 121 are uniformly distributed on a circumferential surface, and a certain gap is formed between the wire springs 121. The wire spring 121 is a wire structure made of a metal conductive material, the wire spring 121 has conductivity and a certain elastic deformation capability, and the wire spring 121 can be in direct contact with the connecting portion 21 to form electric connection, or can be in contact with the connecting portion 21 to form electric connection through elastic deformation.

Referring to fig. 3, 4, 6 and 7, in the present embodiment, a tubular structure surrounded by a plurality of wire springs 121 forms a socket cavity, an inner wall of the socket cavity is an elastic wall, the elastic wall includes a plurality of wires, an inner diameter of a middle portion of the socket cavity is slightly smaller than an outer diameter of the connecting portion 21, the outer diameter of the connecting portion 21 is smaller than an inner diameter of an opening of the socket cavity, and the wire springs 121 are bound on the connecting portion 21 through elastic deformation, so as to improve stability of electrical connection. In the plugging state, the connecting part 21 is inserted into a plugging cavity surrounded by the plurality of wire springs 121 and is connected with the elastic wall of the plugging cavity, the connecting part 21 is mainly in line contact with the elastic wall of the plugging cavity, and the wire springs 121 are in elastic structures, so that local bulges are not excluded from forming point contact after the wire springs 121 are plugged for many times. The connecting portion 21 and the wire spring 121 form wire connection and/or point contact, friction force between the connecting portion 21 and the wire spring 121 can be reduced, insertion and extraction of the connecting portion 21 are facilitated, meanwhile, linear elastic deformation of the wire spring 121 is beneficial to enabling the wire spring 121 to always surround the connecting portion 21, and stability of electric connection can be guaranteed.

In this embodiment, the wire spring 121 is in a straight structure, and the length direction of the wire spring 121 is inclined relative to the direction in which the connecting portion 21 is inserted, the inclination angle of the wire spring 121 can be set according to requirements, for example, the wire spring 121 is inclined 30 ° -50 ° relative to the direction in which the connecting portion 21 is inserted, and the inclination of the wire springs 121 is inclined toward the same direction, so that the wire springs 121 are enclosed into a double-horn tube structure with gradually narrowed middle and gradually enlarged ends. Wherein, the middle part internal diameter of two horn tube structures is less than the external diameter of connecting portion 21, and the external diameter at two ends of two horn tube structures sets up to be equal to, slightly less than or slightly greater than the external diameter of connecting portion 21. During the insertion, the connecting part 21 is inserted from one end of the double-horn-pipe structure, and the middle part is gradually opened; after the insertion is completed, the middle part of the double-horn-tube structure forms stronger binding force on the connecting part 21 under the action of the elastic force of the wire spring 121, so that the stability of the electric connection of the two terminals is improved; in addition, the wire spring 121 is still in a linear structure, the wire spring 121 is not bent, and the wire spring 121 is easier to restore to a straight line under the action of fastening the two ends of the wire spring 121, so that the wire spring 121 which is obliquely arranged in a straight line can be more suitable for frequent plugging operation.

In some embodiments, the wire spring 121 has a curve structure extending along the axial direction, the middle part of the wire spring 121 is concavely arranged, the wire spring 121 with the concaved curve can also form a double-horn tube structure or a middle narrowing structure, and the stability of the electric connection of the two terminals can also be improved.

In some embodiments, the wire spring 121 is a spiral structure extending spirally along the tubular surface, and the plurality of wire springs 121 form mutually parallel spiral lines, and the spiral structure can also enclose a plug cavity, the inner diameter of the plug cavity is slightly smaller than the outer diameter of the connecting portion 21, and wire connection and/or point contact between the wire spring 121 and the connecting portion 21 can also be realized, so that the stability of electric connection of two terminals is improved.

In some embodiments, the wire spring 121 has a curved structure extending along the axial direction, the wire spring 121 has a wave-shaped structure, and inward peak points of the plurality of wire springs 121 form point-shaped contact surfaces with the connecting portion 21, and the inward peak points of the wire springs 121 are used for point-contacting with the connecting portion 21. Naturally, the wire spring 121 is of an elastically deformable structure, and the connection portion 21 is inserted into an insertion cavity defined by the wire spring 121, so that local wire contact is formed between the connection portion 21 and the wire spring 121. The wavy wire spring 121 has strong elasticity, and the wire spring 121 and the connecting portion 21 can achieve stable point contact and/or wire contact.

Referring to fig. 3 and 6, in the present embodiment, the elastic connecting member 12 further includes a first fixing ring 122 and a second fixing ring 123, one end of the wire spring 121 is fixedly connected with the first fixing ring 122, the other end of the wire spring 121 is fixedly connected with the second fixing ring 123, and the wire spring 121 is parallel to the inner rings of the first fixing ring 122 and the second fixing ring 123, or is distributed on the inner rings of the first fixing ring 122 and the second fixing ring 123, so that the connecting portion 21 is inserted into the insertion cavity to be in contact with the wire spring 121.

When the wire spring 121 is of a curved structure or the wire spring 121 is of an inclined structure, the middle part or part of the insertion cavity forms a concave narrowing, two ends of the wire spring 121 can also be mounted on the middle parts or outer rings of the first fixing ring 122 and the second fixing ring 123, and the concave narrowing part of the insertion cavity can realize contact connection with the connecting part 21.

Referring to fig. 5, 6 and 7, in the present embodiment, the first fixing ring 122 is close to the insertion port of the connection cavity 11 of the first terminal 1, and the second fixing ring 123 is far from the insertion port of the connection cavity 11 of the first terminal 1. When the first terminal 1 and the second terminal 2 are plugged, the connecting part 21 sequentially passes through the plugging port of the connecting cavity 11 and the first fixing ring 122 to be inserted into the plugging cavity surrounded by the wire spring 121. The first fixing ring 122 may be a fixed structure or an elastic structure; when the first fixing ring 122 is of a fixing structure, the inner diameter of the first fixing ring 122 is slightly larger than the outer diameter of the connecting part 21, so that the connecting part 21 can pass through the first fixing ring 122 of the fixing structure, the first fixing ring 122 mainly plays a role of fixing the wire spring 121, and the connecting part 21 is conveniently inserted into an inserting cavity enclosed by the wire spring 121; when the first fixing ring 122 is of an elastic structure, the inner diameter of the first fixing ring 122 is slightly smaller than the outer diameter of the connecting portion 21, and after the connecting portion 21 is inserted into the insertion cavity enclosed by the first fixing ring 122 and the wire spring 121, the first fixing ring 122 further forms a fixing limit on the connecting portion 21, so that the stability of connection between the connecting portion 21 and the wire spring 121 can be improved.

The second retaining ring 123 may have an inner diameter that is sized to be consistent with the first retaining ring 122 to facilitate processing and assembly. The size of the second fixing ring 123 may also be adjusted according to the tail connection part of the first terminal 1, so that the second fixing ring 123 can be inserted into the tail connection part of the first terminal 1.

In some embodiments, the two ends of the wire spring 121 may also be directly mounted in the connection cavity 11 of the first terminal 1, such as an integrally formed ring-shaped mounting member provided in the connection cavity 11 of the first terminal 1. Or one end of the wire spring 121 is directly installed in the connection cavity 11 of the first terminal 1, and the other end of the wire spring 121 is indirectly installed in the connection cavity 11 through a fixing ring; the installation of the wire spring 121 can be achieved.

In this embodiment, in the radial direction (the direction perpendicular to the insertion direction of the connection portion 21), a floating gap is formed between the elastic connection member 12 and the inner wall of the connection cavity 11, the elastic connection member 12 can realize radial floating relative to the connection cavity 11, and further in the process of inserting the connection portion 21 of the second terminal 2, the elastic connection member 12 can realize alignment connection with the connection portion 21 through radial floating, the elastic connection member 12 has self-adaptation of fitting and inserting, so that wear of the connection portion 21 and the wire spring 121 can be reduced, the service life of the fitting and pulling can be further prolonged, and the device is suitable for the field of medical equipment with frequent insertion and pulling.

Specifically, the connecting cavity 11 is a cylindrical cavity, two axial ends of the elastic connecting piece 12 respectively lean against two axial ends of the connecting cavity 11, that is, the first fixing ring 122 and the second fixing ring 123 respectively lean against two axial ends of the connecting cavity 11, the connecting cavity 11 limits the axial position of the elastic connecting piece 12, and the elastic connecting piece 12 cannot axially move in the connecting cavity 11. The inner diameter of the connecting cavity 11 is slightly larger than the outer diameter of the elastic connecting member 12, i.e., the inner diameter of the connecting cavity 11 is slightly larger than the outer diameters of the first and second fixing rings 122 and 123, so that the elastic connecting member 12 as a whole can float radially within the connecting cavity 11.

In some embodiments, the end of the elastic connection member 12 near the socket is set to be radially floating, and the end far from the socket is set to be fixedly connected, for example, the first fixing ring 122 can be radially floating relative to the connection cavity 11, the second fixing ring 123 is limited and fixed, and the second fixing ring 123 cannot be radially floating relative to the connection cavity 11. Since the wire spring 121 has an elastically deformable structure, the end of the elastic connector 12 near the insertion port is set to float radially, and the adaptation of the elastic connector 12 to be inserted can be improved.

In this embodiment, the electrical connector may include one or more first terminals 1, and correspondingly include one or more second terminals 2, where the first terminals 1 and the second terminals 2 are in one-to-one correspondence. The elastic connection members 12 in the plurality of first terminals 1 may be separate and independent members, or may be members integrally connected to each other, for example, the elastic connection members 12 in the plurality of first terminals 1 are wound with one wire spring 121.

Referring to fig. 8 and 9, in one embodiment, an end of the first terminal 1 away from the socket is provided with a plugging portion 13, an end of the socket of the first terminal 1 is provided with a mounting hole, the mounting hole is communicated with the connecting cavity 11, the plugging portion 13 is mounted in the mounting hole, one end of the plugging portion 13 is inserted into the plugging cavity of the elastic connecting piece 12, the plugging portion 13 is made of a metal conductive material, and the plugging portion 13 and the wire spring 121 form an electrical connection. The end of the insertion portion 13 exposed to the outside of the first terminal 1 is used for connection with medical equipment such as a host computer of an endoscope.

In some embodiments, the plug portion 13 and the first terminal are integrally formed, and one end of the wire spring 121 extends to the outer surface of the plug portion 13, so that the first terminal 1 can be electrically connected to a medical device such as a host of an endoscope.

Referring to fig. 10 and 11, in the present embodiment, the plugging portion 13 is of an elastic structure, the plugging portion 13 is of a hollow tubular structure, and a portion of the plugging portion 13 exposed out of the first terminal 1 is enlarged in middle so that an outer diameter of the middle of the plugging portion 13 is larger than two ends, and an opening 131 is further provided in the middle, and the plugging portion 13 forms a fish-eye structure. The outer diameter of the middle part of the plugging part 13 is larger than the inner diameter of the plugging hole on the circuit board in the camera host 50 of the endoscope, after the plugging part 13 is inserted into the plugging hole, the middle part of the plugging part 13 is extruded and contracted by the plugging hole, and the opening 131 of the plugging part 13 is compressed and closed or contracted. The middle part of the plugging part 13 is enlarged, so that after the plugging part 13 is connected with the plugging hole, the middle part of the plugging part 13 forms radial outward expansion force, and the expansion force can improve the stability of the connection between the plugging part 13 and the plugging hole, so that high-speed signal transmission between the first terminal 1 and the camera host 50 of the endoscope can be realized.

Preferentially, a plurality of openings 131 axially distributed along the plugging portion 13 are arranged on the plugging portion 13, a gradual change structure is formed in the middle of the plugging portion 13, two ends of the plugging portion 13 gradually become larger towards the middle direction, and the gradual change structure can play a role in guiding insertion and gradual change deformation, so that the plugging of the plugging portion 13 and the plugging holes is facilitated.

In some embodiments, the opening 131 may also extend to the end of the plug portion 13, where the opening 131 divides the plug portion 13 into several sheet structures, and also enables elastic connection of the plug portion 13 and the plug hole.

In this embodiment, the wire spring 121 is disposed in the first terminal 1 of the electrical connector, the connection portion 21 of the second terminal 2 is connected with the wire spring 121 to realize electrical connection and signal connection, and since the wire spring 121 is an elastic linear structure, the connection of the wire spring 121 and the second terminal 2 forms elastic point contact and/or wire contact, so that the connection stability of the first terminal 1 and the second terminal 2 can be ensured. And the contact mode between the first terminal 1 and the second terminal 2 is point contact and/or line contact, so that the contact area is reduced, the foreign matters remained on the contact surface in the repeated plugging process can be avoided, and the long-term stable high-speed signal transmission of the electric connector for the endoscope camera system can be ensured. As shown in fig. 12, the characteristic impedance of the connection of the first terminal 1 and the second terminal 2 is 100±5Ω, which satisfies the requirement of 100 ohm±10%, and satisfies the high-speed transmission performance index; and as shown in fig. 13, the return loss between the first terminal 1 and the second terminal 2 can meet < -15dB under the requirement of 8 GHz high speed, and can meet the requirement of low return loss under the requirement of 5 GHz high speed transmission.

In this embodiment, since the wire spring is adopted to realize elastic connection, the adaptability of the first terminal 1 and the second terminal 2 is strong, the installation requirement is low, and frequent disinfection and sterilization in medical environment can be adapted.

In one embodiment, an electrical connector for an endoscopic imaging system is provided, the connector differing from the above embodiments in that: only the second terminal 1 is included. The second terminal 1 can be fixedly mounted on the medical apparatus, such as being mounted on the side wall of the medical apparatus in a mosaic manner, and the first terminal 1 is electrically connected by using the wire spring 121 with elastic deformation capability, so that a plurality of second terminals 2 with different sizes can be adapted, and the electrical connector for an endoscope camera system of the present embodiment can be inserted with a plurality of second terminals 2, and meanwhile, stable connection between the first terminal 1 and the second terminal 2 can be ensured.

In one embodiment, an electrical connector for an endoscopic imaging system is provided, the connector differing from the above embodiments in that: the elastic connection 12 is structurally different.

Referring to fig. 14, 15 and 16, in the present embodiment, the signal connection member in the elastic connection member 12 includes a wire spring 121, the wire spring 121 includes a first group and a second group, the fixed ring includes a first fixed ring 122, a second fixed ring 123 and a third fixed ring 124, the first fixed ring 122, the second fixed ring 123 and the third fixed ring 124 are sequentially distributed along the axial direction, two ends of the wire spring 121 of the first group are respectively connected with the first fixed ring 122 and the second fixed ring 123, and the wire spring 121 of the first group and the first fixed ring 122 and the second fixed ring 123 enclose a first tubular structure; the two ends of the second group of wire springs 121 are respectively connected with the second fixing ring 123 and the third fixing ring 124, the second group of wire springs 121, the second fixing ring 123 and the third fixing ring 124 are enclosed to form a second tubular structure, and the first tubular structure and the second tubular structure are two tubes connected in series. Wherein, the first tubular structure is used for being matched with the connecting part 21 of the second terminal 2, and the second tubular structure is fixedly connected with one end of the inserting part 13.

In other embodiments, the signal connection may further comprise a crown spring comprising a first set and a second set, the first set of crown springs being connected between the first retaining ring 122 and the second retaining ring 123, the second set of crown springs being connected between the second retaining ring 123 and the third retaining ring 124.

In this embodiment, the middle portion of the first tubular structure and the middle portion of the second tubular structure are each narrowed so that the first tubular structure alone stably connects the connection portion 21 of the second terminal 2, and the second tubular structure alone can connect the second tubular structure. Further, the connection portion 21 of the second terminal 2 will not affect the connection output between the plug portion 13 and the wire spring 121 during the frequent plug-in process, so as to improve the service life of the connector.

In other embodiments, the fixing ring may also be a long cylindrical structure, the signal connection member is installed in the long cylindrical structure, and two ends of the signal connection member are respectively connected with two ends of the long cylindrical structure in a one-to-one correspondence manner. The signal connecting piece is of a middle narrowing structure, and the structure of the signal connecting piece after expansion connection forms a straight tube-shaped structure, so that the long cylinder structure cannot interfere with elastic connection of the signal connecting piece, and further the long cylinder structure can fix the signal connecting piece.

In an embodiment, a camera host for an endoscope camera system is provided, where the camera host is provided with the first terminal in the above embodiment, and the camera host is connected with a signal transmission cable in a pluggable manner through the first terminal, so as to implement structural connection and electrical connection, so that the signal transmission cable can transmit an image signal generated by a camera to the camera host.

Referring to fig. 17, in the present embodiment, the camera host includes a case 3 and a processor (not shown in the drawings), the processor is installed in the case 3, an electrical connector socket end 31 is provided on the outer side of the case 3, the electrical connector socket end 31 includes a signal jack, the signal jack is used for connecting a terminal of a signal transmission cable, the electrical connector socket end 31 is electrically connected with the processor, and the electrical connector socket end 31 is used for acquiring an electrical signal of the signal transmission cable and transmitting the electrical signal to the processor.

In this embodiment, the structure of the electrical connector receptacle end 31 is the same as or similar to the first terminal 1 in the above-described embodiment. The signal jack of the socket end 31 of the electrical connector is the connecting cavity 11 in the above embodiment, and a signal connecting piece is also arranged in the signal jack, where the signal connecting piece includes a wire spring 121, and the wire spring 121 encloses an elastic tube, and the elastic tube is used for connecting with a terminal of a signal transmission cable.

In this embodiment, the structure of the terminal of the signal transmission cable adapted to the camera host is the same as or similar to the second terminal 2 in the above embodiment, so that the structure of the terminal of the transmission cable can be adapted to plug with the signal jack of the electrical connector socket end 31.

In this embodiment, the signal connector in the socket end 31 of the electrical connector is also provided with a middle narrowed elastic structure, so that the stability of the connection with the terminal of the signal transmission cable can be improved; and the signal connecting piece in the signal jack is also arranged to be a radial floating structure, so that the signal connecting piece can radially float to be matched with a terminal of a signal transmission cable, the self-adaptability of the socket end 31 of the electric connector is improved, the abrasion of frequent plugging can be reduced, and the service life is prolonged.

In an embodiment, a signal transmission cable for an endoscope camera system is provided, where the signal transmission cable is provided with the first terminal in the above embodiment, and the signal transmission cable is connected with a camera host in a pluggable manner through the first terminal, so that structural connection and electrical connection are achieved, and the signal transmission cable can transmit an image signal generated by a camera to the camera host.

Referring to fig. 18, in the present embodiment, the signal transmission cable includes a first connection end 41, a second connection end 42 and a cable portion 43, wherein one or two of a wire and an optical fiber are disposed in the cable portion 43, the length of the cable portion 43 can be set as required, and the cable portion 43 is flexible and can be curled, accommodated and suspended. The first connection terminal 41 and the second connection terminal 42 are located at both ends of the cable portion 43, respectively, and form an electrical connection. The first connection end 41 is fixedly connected with the camera, and the second connection terminal 42 is detachably connected with the camera host in a plugging manner.

The structure of the second connection end 42 is the same as or similar to the first terminal 1 in the above embodiment, the second connection end 42 is provided with a signal jack, the signal jack is the connection cavity 11 in the above embodiment, a signal connection piece is also arranged in the signal jack, the signal connection piece comprises a wire spring 121, the wire spring 121 encloses an elastic tube, and the elastic tube is used for being connected with a terminal of a signal transmission cable.

In this embodiment, the terminal structure of the camera host adapted to the second connection terminal 42 of the signal transmission cable is the same as or similar to the second terminal 2 in the above embodiment, so that the terminal structure of the camera host can be adapted to plug into the signal jack of the second connection terminal 42.

In this embodiment, the signal connector in the second connection terminal 42 is also provided with a middle narrowed elastic structure, so that the stability of the terminal connection with the signal transmission cable can be improved; and the signal connecting piece in the signal jack is also arranged to be of a radial floating structure, so that the signal connecting piece can be radially floated to be matched with and inserted into the terminal of the camera host, the self-adaptability of the second connecting terminal 42 in the plugging process is improved, the abrasion of frequent plugging can be reduced, and the service life is prolonged.

Referring to fig. 19, in one embodiment, an endoscopic imaging system 1000 is provided, the endoscopic imaging system 1000 including a light source 10, a light guide 20, an endoscope 30, a camera head 40, a signal transmission cable 71, a camera host 50, a display 60, a video connection line 72, and an electrical connector 80 for the endoscopic imaging system. The camera 40 is an endoscope camera in the above embodiment, and the endoscope 30 adopts a light homogenizer and ultra-wide angle optical fiber in the illumination light path to achieve the purpose of improving the luminous flux and simultaneously enabling the illuminance distribution in the observation field to be uniform, thereby improving the contrast ratio and the signal-to-noise ratio of the endoscope image and further improving the imaging quality; endoscope 30 includes an illumination light path that interfaces with light guide beam 20 and an imaging light path that interfaces with camera head 40.

The camera host 50 is connected to one end of a signal transmission cable 71 through an electrical connector 80 for an endoscope camera system, the other end of the signal transmission cable 71 is connected to the camera 40, and white light signals and fluorescent signals generated by the camera 40 are transmitted to the camera host 50 through the signal transmission cable 71 for processing. In some embodiments, signal transmission cable 71 may be an optical communication signal transmission cable, such as an optical fiber; the camera 40 converts an image signal (an electric signal) into an optical signal, and the optical signal is transmitted to the camera host 50 by the signal transmission cable 71, and the camera host 50 converts the optical signal into an electric signal (an image signal). The camera host 50 is connected to the display 60 via a video connection line 72 for transmitting image signals to the display 60 for display. It should be understood by those skilled in the art that fig. 19 is merely an example of an endoscopic imaging system 1000 and is not limiting of the endoscopic imaging system 1000, and that the endoscopic imaging system 1000 may include more or fewer components than shown in fig. 19, or may combine certain components, or different components, e.g., the endoscopic imaging system 1000 may further include a dilator, a smoke control apparatus, an input-output device, a network access device, etc.

The light source 10 is used to provide an illumination source and excitation fluorescence imaging to the site 100 to be observed. The light source 10 includes a white light source (visible light source) and an excitation light source (laser illumination source, for example, near infrared light) corresponding to the fluorescent agent.

In this embodiment, a processor is disposed in the camera host 50, and the processor is connected to the camera 40 through a signal transmission cable 71, and the processor acquires an electrical signal output by the camera and processes the electrical signal to output at least an image of the observed tissue. The obtained electric signals can be independent white light signals and fluorescent signals, or can be combined electric signals of the white light signals and the fluorescent signals.

In this embodiment, the electrical connector 80 for an endoscope camera system includes a first terminal 1 and a second terminal 2, the first terminal 1 is installed on the camera host 50, the second terminal 2 is installed on the signal transmission cable 71, and the first terminal 1 and the second terminal 2 are detachably electrically connected, so that the signal transmission cable 71 can be separated from the camera host 50 through the separation of the first terminal 1 and the second terminal 2, and further, the requirements of separation, sterilization and disinfection can be satisfied.

In this embodiment, since the wire spring 121 is disposed in the first terminal 1, the wire spring 121 encloses the synthesized socket cavity, and the connection portion 21 of the second terminal 2 and the wire spring 121 form a wire connection and/or point contact, friction between the connection portion 21 and the wire spring 121 can be reduced, which is beneficial to the insertion and extraction of the connection portion 21, and meanwhile, the linear elastic deformation of the wire spring 121 is beneficial to the wire spring 121 to surround the connection portion 21 all the time, so that the stability of electrical connection can be ensured. Further, the signal transmission cable 71 and the imaging host 50 are connected by the electrical connector 80 for an endoscope imaging system, so that high-speed transmission of signals can be satisfied, and frequent plugging and unplugging can be satisfied.

The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.

Claims

An electrical connector for an endoscopic imaging system, comprising:

The signal connector comprises a first terminal (1), wherein a signal connector is arranged in the first terminal (1), a fixed ring is further arranged, two ends of the signal connector are respectively connected to the fixed ring, the signal connector and the fixed ring are connected into a tubular structure, and the middle diameter of the tubular structure is smaller than the opening of at least one end; and

And a second terminal (2) having a connecting portion (21) with a diameter smaller than the opening of the tubular structure and larger than the intermediate diameter of the tubular structure.
The electrical connector for an endoscopic imaging system as defined in claim 1, wherein said signal connection member is a wire-like or sheet-like metal member.
Electrical connector for an endoscopic camera system according to claim 1, wherein said signal connection comprises a wire spring (121) and/or a crown spring.
An electrical connector for an endoscopic camera system as in claim 1, wherein said signal connection member is of a straight line configuration, the length direction of said signal connection member being inclined with respect to the insertion direction of said connection portion (21).
The electrical connector for an endoscopic imaging system as defined in claim 1, wherein said signal connection member has a curved configuration, and a central portion of said signal connection member is concavely curved.
Electrical connector for an endoscopic camera system according to claim 1, wherein a connection cavity (11) is provided in said first terminal (1), said tubular structure being floatably arranged in said connection cavity (11).
An electrical connector for an endoscopic camera system as claimed in claim 6, wherein there is a floating gap between said tubular structure and the inner wall of said connection chamber (11) in a direction perpendicular to the insertion of said connection portion (21).
The electrical connector for an endoscopic camera system as defined in claim 1, wherein said stationary ring comprises a first stationary ring (122) and a second stationary ring (123), and both ends of said signal connection member are connected to said first stationary ring (122) and said second stationary ring (123), respectively.
The electrical connector for an endoscopic camera system according to claim 8, wherein an end of the first terminal (1) remote from the second terminal (2) is provided with a plugging portion (13), one end of the plugging portion (13) is plugged into the tubular structure, and the other end of the plugging portion (13) protrudes out of the second terminal (2) for connection with a plugging hole on a camera host or on a signal transmission cable in the endoscopic camera system.
The electrical connector for an endoscopic camera system of claim 1, wherein said stationary ring comprises a first stationary ring (122), a second stationary ring (123) and a third stationary ring (124) axially spaced apart in sequence, said signal connection member comprises a first set and a second set, both ends of said first set being connected with said first stationary ring (122) and said second stationary ring (123) respectively, forming a first tubular structure, both ends of said second set being connected with said second stationary ring (123) and said third stationary ring (124) respectively, forming a second tubular structure, said first tubular structure being adapted to mate with a connection of said second terminal.
The electrical connector for an endoscopic camera system according to claim 10, wherein an end of the first terminal (1) remote from the second terminal (2) is provided with a plugging portion (13), one end of the plugging portion (13) is plugged into the second tubular structure, and the other end of the plugging portion (13) protrudes out of the second terminal (2) for connection with a plugging hole on a camera host or on a signal transmission cable in the endoscopic camera system.
Electrical connector for an endoscopic camera system according to any of the claims 1-11, comprising a plurality of said first terminals (1) and a plurality of said second terminals (2).
An electrical connector for an endoscopic imaging system, comprising:

The first terminal (1), the first terminal (1) has a connecting cavity (11), one end of the connecting cavity (11) is provided with an inserting port, an elastic connecting piece (12) is arranged in the connecting cavity (11), and the elastic connecting piece (12) comprises a signal connecting piece; and

-A second terminal (2), the second terminal (2) having a connection portion (21), the connection portion (21) being adapted to be inserted into the connection cavity (11) in point contact and/or line contact with the signal connection element to form an electrical connection for transmitting electrical signals in the endoscopic camera system.
The electrical connector for an endoscopic imaging system as defined in claim 13, wherein said signal connection member is a wire-like or sheet-like metal member.
Electrical connector for an endoscopic camera system according to claim 13, wherein said signal connection comprises a wire spring (121) and/or a crown spring.
An electrical connector for an endoscopic camera system as claimed in claim 13, wherein said signal connection element encloses an elastic tube for plugging said connection portion (21).
An electrical connector for an endoscopic camera system as defined in claim 16, wherein part or all of said elastic tube has an inner diameter smaller than an outer diameter of said connection portion (21), said elastic tube being adapted to be connected to said connection portion (21) by elastic deformation.
The electrical connector for an endoscopic imaging system as defined in claim 17, wherein said resilient tube is narrowly defined in a middle portion thereof.
Electrical connector for an endoscopic camera system according to claim 15, wherein said wire spring (121) is of a rectilinear structure, the length direction of said wire spring (121) being parallel and/or inclined with respect to the insertion direction of said connection portion (21).
The electrical connector for an endoscopic camera system as defined in claim 13, wherein said resilient connection (12) further comprises a first stationary ring (122) and a second stationary ring (123), one end of said signal connection being connected to said first stationary ring (122) and the other end of said signal connection being connected to said second stationary ring (123).
Electrical connector for an endoscopic camera system according to any of the claims 13-20, wherein said resilient connection member (12) is floatably arranged in said connection chamber (11), said resilient connection member (12) being adapted to floatably mate with said connection portion (21).
Electrical connector for an endoscopic camera system according to any of the claims 13-20, wherein there is a floating gap between said elastic connection piece (12) and the inner wall of said connection cavity (11) in a direction perpendicular to the insertion of said connection portion (21).
The electrical connector for an endoscopic camera system according to claim 13, wherein an end of said first terminal (1) remote from said interface is provided with a plug-in portion (13), said plug-in portion (13) being adapted to be electrically connected to a plug-in hole on a camera host or on a signal transmission cable in said endoscopic camera system.
The electrical connector for an endoscopic camera system as claimed in claim 23, wherein said plug-in portion (13) is of a resilient structure, and a part or all of the outer diameter of said plug-in portion (13) is larger than the inner diameter of a plug-in hole on a camera host in said endoscopic camera system.
The electrical connector for an endoscopic camera system as defined in claim 24, wherein a central outer diameter of said plug-in portion (13) is larger than outer diameters of both ends of said plug-in portion (13), and a central portion of said plug-in portion (13) is provided with an opening (131).
Electrical connector for an endoscopic camera system according to claim 13, comprising a plurality of said first terminals (1) and a plurality of said second terminals (2).
An electrical connector for an endoscopic imaging system, comprising:

the first terminal (1), the first terminal (1) has a connecting cavity (11), one end of the connecting cavity (11) is provided with an inserting port, and an elastic wall is arranged in the connecting cavity (11); and

The second terminal (2) is provided with a connecting part (21), and the connecting part (21) is used for being inserted into the inserting cavity and is in point contact and/or line contact with the elastic wall of the inserting cavity to form electric connection so as to transmit electric signals in the endoscope camera system.
Electrical connector for an endoscopic camera system according to claim 27, wherein a wire spring (121) and/or a crown spring is provided in said connection cavity (11), said wire spring (121) and/or crown spring constituting said elastic wall, said wire spring (121) being in point contact and/or wire contact with said connection portion (21).
Electrical connector for an endoscopic camera system as in claim 28, wherein said wire spring (121) is of rectilinear configuration, the length direction of said wire spring (121) being parallel and/or inclined with respect to the insertion direction of said connection portion (21).
An electrical connector for an endoscopic camera system as claimed in claim 27, wherein said elastic wall encloses a tubular structure, part or all of said tubular structure having an inner diameter smaller than the outer diameter of said connection portion (21), said elastic wall being adapted to be connected to said connection portion (21) by elastic deformation.
An electrical connector for an endoscopic camera system as in claim 27, wherein said resilient wall is a floating structure for floatably mating with said connection portion (21).
Electrical connector for an endoscopic camera system according to claim 27, wherein the end of the first terminal (1) remote from the second terminal (2) is provided with a plug-in part (13), which plug-in part (13) is intended to be connected with a plug-in hole on a camera host or on a signal transmission cable in the endoscopic camera system.
An electrical connector for an endoscopic camera system as in claim 32, wherein said plug section (13) is of a resilient construction, and part or all of the outer diameter of said plug section (13) is larger than the inner diameter of said plug aperture.
An electrical connector for an endoscopic camera system, comprising a first terminal (1), wherein the first terminal (1) is provided with a connecting cavity (11), one end of the connecting cavity (11) is provided with an inserting port, an elastic connecting piece (12) is arranged in the connecting cavity (11), the elastic connecting piece (12) comprises a signal connecting piece, and the signal connecting piece is used for being in point contact and/or line contact with the inserted terminal to form electrical connection so as to transmit an electrical signal in the endoscopic camera system.
Electrical connector for an endoscopic camera system as claimed in claim 34, wherein said signal connection comprises a wire spring (121) and/or a crown spring.
An electrical connector for an endoscopic camera system as in claim 34, wherein said signal connection encloses a flexible tube for plugging said connection portion (21).
An electrical connector for an endoscopic camera system as defined in claim 36, wherein part or all of said elastic tube has an inner diameter smaller than an outer diameter of said connection portion (21), said elastic tube being adapted to be connected to said connection portion (21) by elastic deformation.
Electrical connector for an endoscopic camera system as claimed in claim 35, wherein said wire spring (121) is of rectilinear construction, the length direction of said wire spring (121) being parallel and/or inclined with respect to the insertion direction of said connection portion (21).
The electrical connector for an endoscopic camera system as claimed in claim 34, wherein an end of said first terminal (1) remote from said interface is provided with a plug-in portion (13), said plug-in portion (13) being adapted to be connected to a plug-in hole on a camera host or on a signal transmission cable in said endoscopic camera system.
An electrical connector for an endoscopic camera system as in claim 34, wherein said plug section (13) is of a resilient construction, and part or all of the outer diameter of said plug section (13) is larger than the inner diameter of said plug aperture.
The utility model provides an endoscope host computer of making a video recording, its characterized in that, includes box and treater, the treater sets up in the box, the treater is used for handling the signal of telecommunication and outputting the image after handling, the outside of box is equipped with electric connector socket end, electric connector socket end includes signal jack, signal jack is arranged in pegging graft the terminal of signal transmission cable in the endoscope camera system, signal jack and the terminal point contact and/or the line contact formation electricity of signal transmission cable are connected, in order to acquire the signal of telecommunication and transmit to the treater.
An endoscopic camera host computer according to claim 41, wherein a signal connector is arranged in the signal jack, the signal connector comprises a wire spring (121) and/or a crown spring, and the wire spring (121) and/or the crown spring enclose an elastic tube, and the elastic tube is used for plugging in a terminal of the signal transmission cable.
The endoscopic camera host machine according to claim 42, wherein a part or all of an inner diameter of the elastic tube is smaller than an outer diameter of a terminal of the signal transmission cable, and the elastic tube is adapted to be connected to the terminal of the signal transmission cable by elastic deformation.
The endoscopic camera host machine according to claim 42, wherein a middle portion of said elastic tube is narrowed.
An endoscope camera host computer according to claim 42, wherein the wire spring (121) has a linear structure, and a length direction of the wire spring (121) is parallel and/or inclined with respect to an insertion direction of a terminal of the signal transmission cable.
The endoscopic camera host according to any one of claims 42 to 45, wherein said signal connection member is floatably disposed within said signal jack.
The endoscopic camera host according to any one of claims 42 to 45, wherein there is a floating gap between said signal connection member and an inner wall of said signal insertion hole in a direction perpendicular to the direction in which said signal transmission cable terminal is inserted.
The signal transmission cable for the endoscope camera system is characterized by comprising a first connecting end, a second connecting end and a cable part positioned between the first connecting end and the second connecting end, wherein the first connecting end is used for being connected with an endoscope camera, and the second connecting end is used for being connected with a camera host; the second connecting end is provided with a signal jack, and the signal jack is used for being inserted into a host terminal of the camera host and is in point contact and/or line contact with the host terminal to form electric connection so as to transmit an electric signal to the camera host.
The signal transmission cable according to claim 48, wherein a signal connector is arranged in the signal jack, the signal connector comprises a wire spring (121) and/or a crown spring, and the wire spring (121) and/or the crown spring enclose an elastic tube, and the elastic tube is used for plugging the host terminal.
The signal transmission cable of claim 49, wherein a part or all of the inner diameter of the elastic tube is smaller than the outer diameter of the main terminal, and the elastic tube is adapted to be connected to the main terminal by elastic deformation.
The signal transmission cable of claim 49 wherein the middle portion of the flexible tube is narrowed.
The signal transmission cable according to claim 49, wherein the wire spring (121) has a linear structure, and a length direction of the wire spring (121) is parallel and/or inclined with respect to an insertion direction of the main body terminal.
The signal transmission cable of any one of claims 49-52, wherein the signal connection member is floatably disposed within the signal jack.
An endoscope camera system, characterized in that the system comprises a light source (10), a light guide beam (20), a camera (40), a signal transmission cable (71), a camera host (50) and an electric connector for the endoscope camera system according to any one of claims 1 to 40, wherein the light source (10) is connected with an endoscope (30) through the light guide beam (20), one end of the endoscope camera (40) is connected with the endoscope (30), the other end of the camera (40) is connected with one end of the signal transmission cable (71), and the other end of the signal transmission cable (71) is connected with the camera host (50) through the electric connector; the endoscope (30) includes an illumination light path that interfaces with the light guide beam (20) and an imaging light path that interfaces with the camera head (40).