CN114532949A

CN114532949A - Endoscope camera system and host matching and inserting thereof

Info

Publication number: CN114532949A
Application number: CN202011329540.6A
Authority: CN
Inventors: 石强勇; 李辉; 曾强
Original assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Current assignee: Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2022-05-27

Abstract

The utility model provides an endoscope camera system and host computer are supporting to be inserted, join in marriage and insert including installed part and connector, the installed part setting is in the holding intracavity of shell, the installed part has the jack that runs through, the jack aligns the intercommunication with the installing port, the connector can float and connect on the installed part, the connector has the first connecting terminal with the jack intercommunication, first connecting terminal is used for the plug connection with the camera connecting wire, the connector still has second connecting terminal, second connecting terminal is connected with the treater. Because the connector in the plug is installed in a floating connection mode, the connector can be matched and aligned with the plug of the camera connecting line through floating in the process of connecting the connector with the plug, so that extrusion force caused by installation errors is avoided between the plug and the connector, and the stability and accuracy of connection between the plug and the connector are further ensured; moreover, the connector of floating installation has reduced the installation accuracy requirement, and then has reduced the production degree of difficulty and manufacturing cost.

Description

Endoscope camera system and host matching and inserting thereof

Technical Field

The invention relates to an endoscope camera system, in particular to an endoscope camera system and a host matching plug thereof.

Background

The connection between the camera connecting line and the host computer in the hard mirror camera system is a very critical part, whether the output image is stable and reliable or not, and the display problems of black screen, screen splash and the like can not occur, so that the connection is greatly related to the part.

The plug of camera connecting wire and host computer join in marriage in traditional system's camera and insert for being connected firmly, join in marriage the connector of inserting and be fixed knot structure, can only rely on the cooperation tolerance of design precision and part to guarantee the plug of camera connecting wire and join in marriage the connection between inserting, and lean on the precision to realize connecting, will improve the production degree of difficulty and manufacturing cost.

Disclosure of Invention

In one embodiment, an endoscopic camera system host is provided, comprising:

the shell is provided with an accommodating cavity positioned inside and an installation opening positioned on the outer wall, and the installation opening is communicated with the accommodating cavity;

the processor is arranged in the accommodating cavity of the shell; and

join in marriage and insert, including installed part and connector, the installed part sets up the holding intracavity of shell, the installed part has the jack that runs through, the jack with the installing port aligns the intercommunication, the connector can connect floatably on the installed part, the connector has first connecting terminal and second connecting terminal, first connecting terminal orientation the jack sets up, first connecting terminal be used for with the plug connection of camera connecting wire, second connecting terminal with the treater is connected.

In one embodiment, the mount and the connector have a space therebetween for floating in a radial direction of the socket.

In one embodiment, the mating plug further comprises an elastic member, the elastic member is connected between the connector and the mounting member, and the elastic member is used for providing restoring force for restoring the connector.

In one embodiment, the elastic member includes at least one of a spring, a rubber ring, and a rubber column.

In one embodiment, the mounting part is provided with a limiting column on the surface facing the connector, the connector is provided with a limiting hole, the inner diameter of the limiting hole is larger than the outer diameter of the limiting column, and the limiting column is connected in the limiting hole.

In one embodiment, the limiting column is provided with a threaded hole, a screw is arranged in the threaded hole, one end, far away from the limiting column, of the screw is abutted against the surface, back to the limiting column, of the connector, and the screw is used for limiting the axial degree of freedom of the connector.

In one embodiment, the mating plug further comprises a grounding elastic sheet, and the grounding elastic sheet is fixedly arranged in the jack of the mounting piece.

In one embodiment, the grounding elastic sheet is provided with a connecting part, and the connecting part penetrates out of the jack and is fixedly connected with the mounting part.

An embodiment provides an endoscope camera system host computer is equipped and inserts, including installed part and connector, the installed part has the jack that runs through, the connector floatably connects on the installed part, the connector has first connecting terminal and second connecting terminal, first connecting terminal sets up towards the jack, first connecting terminal is used for the plug connection with the camera connecting wire, the second connecting terminal is used for being connected with the treater of host computer.

In one embodiment, the socket further comprises a grounding elastic sheet which is fixedly arranged in the jack of the mounting piece.

An embodiment provides an endoscopic camera system, comprising: including light source, leaded light beam, endoscope, optics bayonet socket, camera connecting wire, camera, display, video connecting wire and foretell endoscope camera system host computer, the light source passes through leaded light beam with the endoscope is connected, the one end of camera is passed through the optics bayonet socket with the endoscope is connected, the other end of camera passes through the camera connecting wire with the joining in marriage of endoscope camera system host computer is inserted and is connected, the endoscope camera system host computer passes through the video connecting wire with the display is connected.

According to the endoscope camera system and the host matching plug thereof in the embodiment, as the connector in the matching plug is installed in a floating connection mode, the connector can be matched and aligned with the plug of the camera connecting line through floating in the process of connecting the connector with the plug, so that extrusion force caused by installation errors is avoided between the plug and the connector, and the stability and the accuracy of connection between the plug and the connector are further ensured; moreover, the connector of floating installation has reduced the installation accuracy requirement, and then has reduced the production degree of difficulty and manufacturing cost.

Drawings

FIG. 1 is a schematic diagram of an endoscopic camera system according to an embodiment;

FIG. 2 is a partial cross-sectional view of a plug for connecting wires between a host and a camera of an endoscopic camera system in one embodiment;

FIG. 3 is a partial schematic structural view of an embodiment of an endoscope camera system with a plug for connecting a camera head;

FIG. 4 is an axial cross-sectional view of FIG. 3;

FIG. 5 is an exploded view of an endoscopic camera system in accordance with an embodiment;

FIG. 6 is a schematic diagram of an endoscopic camera system connector according to one embodiment;

FIG. 7 is an exploded view of an endoscopic camera system in accordance with an embodiment;

fig. 8 is an exploded view of an endoscopic camera system with an embodiment.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments have been given like element numbers associated therewith. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Referring to fig. 1, in one embodiment, an endoscopic camera system 1000 is provided, where the endoscopic camera system 1000 includes a light source 10, a light guide 20, a hard-tube endoscope 30, an optical bayonet 40, a camera 50, a camera connection line 81, a host 60, a display 70, and a video connection line 82. The host 60 is connected to the camera 50 through a camera connection line 81, and an image signal obtained by the camera 50 is transmitted to the host 60 through the camera connection line 81 for processing. In some embodiments, the camera connection 81 may be an optical communication cable, such as an optical fiber; the camera 50 converts an image signal (electrical signal) into an optical signal, and the optical signal is transmitted to the host 60 through the camera connection line 81, and the host 60 converts the optical signal into an electrical signal. Host 60 is connected to display 70 via video connection 82 for sending video signals to display 70 for display. It should be understood by those skilled in the art that fig. 1 is merely an example of an endoscopic camera system 1000 and does not constitute a limitation of the endoscopic camera system 1000, and that the endoscopic camera system 1000 may include more or less components than those shown in fig. 1, or some components in combination, or different components, e.g., the endoscopic camera system 1000 may further include a dilator, smoke control, input-output device, network access device, etc.

The light source 10 is used to provide an illumination source to the site to be observed 100. The illumination light source includes a visible light illumination light source and a laser illumination light source (e.g., near infrared light) corresponding to a fluorescent reagent. Light source 10 includes, but is not limited to, a laser light source, an LED light source, or a laser diode.

In the present embodiment, the light source 10 includes a visible light source and a laser light source corresponding to a fluorescent reagent. The visible light source is an LED light source. In one embodiment, the visible light source can provide a plurality of monochromatic lights in different wavelength ranges, such as blue light, green light, red light, and the like. In other embodiments, the visible light source may also provide a combination of the plurality of monochromatic lights, or a broad spectrum white light source. The wavelength range of the monochromatic light is approximately 400nm to 700 nm. The laser light source is used for generating laser light. The laser light is, for example, Near Infrared (NIR). The peak wavelength of the laser takes at least any 1 value in the range of 780nm or 808 nm.

Since the light source 10 can simultaneously provide continuous visible light and laser light corresponding to the fluorescent reagent to the portion to be observed, the collection efficiency of the camera 50 for the visible light image signal and the fluorescent image signal reflected by the portion to be observed 100 is improved.

Wherein a contrast agent, such as Indocyanine Green (ICG), is introduced intravenously or subcutaneously in the site 100 to be observed prior to imaging using the endoscopic camera system 1000, in order to image tissue structures and functions (e.g., blood/lymph/bile in vessels) that are not readily visible using standard visible light imaging techniques. Sites to be observed 100 include, but are not limited to, the blood circulation system, the lymphatic system, and tumor tissue. ICG is commonly known as indocyanine green, a diagnostic green needle, indocyanine green, which is a commonly used contrast agent in clinical diagnosis of cardiovascular system diseases at present, and is widely used in choroidal and retinal vessel imaging. The contrast agent in the region 100 to be observed may generate fluorescence when it absorbs the laser light corresponding to the fluorescent agent generated by the laser light source.

In one embodiment, an endoscope camera system host is provided, and the endoscope camera is described by taking a hard tube endoscope camera as an example, and can also be applied to a soft lens.

Referring to fig. 2 and 3, the main unit of the endoscopic imaging system according to the present embodiment is the main unit 60 of the endoscopic imaging system 100 described above, and the endoscopic imaging system main unit includes a housing 1, a processor (not shown in fig. 2), and a socket 2.

The shell 1 is provided with an accommodating cavity 11 and a mounting opening 12, the accommodating cavity 11 is located inside the shell 1, the mounting opening 12 is located on the rear side face of the shell 1, and the mounting opening 12 is communicated with the accommodating cavity 11. In some embodiments, the mounting opening 12 may also be provided on the front side or the left and right sides of the housing 1.

The processor is arranged in the accommodating cavity 11 of the shell 1, and the processor is connected with the display 70 through a video connecting wire 82. The processor is used for processing functions and control functions, and the processor is used for processing image data and controlling endoscopic imaging.

Referring to fig. 4 and 5, the mating connector 2 includes a mounting member 21 and a connector 22, the mounting member 21 includes a mounting plate 211 and a cylindrical body 212, the mounting plate 211 is mounted inside the housing 1 by means of screws, a square hole is formed in the middle of the mounting plate 211, the cylindrical body 212 is a square cylinder, and the cylindrical body 212 is fixed in the square hole of the mounting plate 211 in a penetrating manner. The cylindrical body 212 has an insertion hole 213 axially penetrating therethrough, the insertion hole 213 being aligned with the mounting port 12, the insertion hole 213 being fitted with a plug 811 of the camera connecting wire 81, the plug 811 being insertable into the insertion hole 213 through the mounting port 12. In some embodiments, the mounting plate 211 and the cylinder 212 are of a unitary structure, or the cylinder 212 is cylindrical in shape.

Referring to fig. 5, 6 and 7, in the present embodiment, the connector 22 includes a board 221, a first connection terminal 222 and a second connection terminal 223, and the first connection terminal 222 and the second connection terminal 223 are respectively installed on two opposite surfaces of the board 221. The board 221 has a circuit thereon, and the first connection terminal 222 and the second connection terminal 223 are connected to the circuit on the board 221.

The first connection terminal 222 has a socket, and the first connection terminal 222 is used for connecting with a plug 811 of the camera connection line 81. The second connection terminal 223 has a socket, and the second connection terminal 223 is connected to the processor by a cable.

The end face of the cylindrical body 212, which is far away from the mounting opening 12, is provided with three limiting posts 214, the board card 221 is provided with three limiting holes 224, the three limiting holes 224 correspond to the three limiting posts 214 one by one, and the limiting posts 214 are inserted into the limiting holes 224. The inner diameter of the limiting hole 224 is larger than the outer diameter of the limiting column 214, so that a space for radial movement is formed between the board card 221 and the cylindrical body 212, that is, a space for radial movement is formed between the connector 22 and the mounting member 21.

The limiting columns 214 are provided with threaded holes, each threaded hole of each limiting column 214 is provided with a screw 215, the end part of each screw 215 far away from the limiting column 214 is abutted against the side surface of the plate card 221 back to the limiting column 214, and the plate card 221 is limited on the cylindrical body 212 by the screws 215. Specifically, the screw 215 is used to limit the axial degree of freedom of the plate card 221, and the plate card 221 has a radial degree of freedom. In some embodiments, the number and positions of the limiting posts 214 and the limiting holes 224 may be adjusted as needed, for example, four limiting posts 214 and four limiting holes 224 may also be provided to achieve the axial limiting function. In some embodiments, the retaining post 214 is disposed on the plate 221 and the retaining hole 224 is disposed on the barrel 212, which also axially retains the plate 221 on the barrel 212.

In this embodiment, the mating plug 2 further includes an elastic member 23, and the elastic member 23 is a structure with elasticity, for example, the elastic member 23 is one of a spring, a rubber ring, a rubber column or other elastic structures. The elastic member 23 is disposed between the plate 221 and the cylindrical body 212, and both ends of the elastic member 23 are connected to the plate 221 and the cylindrical body 212, respectively. Specifically, the end surface of the cylindrical body 212 is provided with a mounting hole, the elastic member 23 is mounted in the mounting hole, and the elastic member 23 protrudes out of the mounting hole to be connected with the board card 221. In some embodiments, the elastic member 23 is sleeved on the limiting column 214, and two ends of the elastic member 23 are respectively connected with the board 221 and the cylindrical body 212, so that the radial floating connection between the board 221 and the cylindrical body 212 can also be realized.

In this embodiment, the elastic member 23 is used to provide a radial restoring force to the board 221, so that the board 221 can float radially relative to the cylindrical body 212, i.e., the connector 22 can float radially relative to the mounting member 21. And then the first connection terminal 222 can float radially relative to the jack of the cylindrical body 212, when the plug 811 of the camera connection wire 81 passes through the jack of the cylindrical body 212 to be connected with the first connection terminal 222, the first connection terminal 222 can be aligned with the plug 811 of the camera connection wire 81 through radial floating to form accurate connection, so that no radial extrusion force exists between the plug 811 of the camera connection wire 81 and the first connection terminal 222, damage to the first connection terminal 222 after multiple plugging and unplugging can be avoided, and the stability of signal transmission is ensured. The floating connection reduces the mounting accuracy of the connector 22, which in turn reduces the production cost.

Referring to fig. 8, in the embodiment, the mating connector 2 further includes two grounding elastic pieces 24, the two grounding elastic pieces 24 are symmetrically installed in the insertion holes of the tubular body 212, the grounding elastic pieces 24 are used for being connected with the plug 811 of the camera connecting wire 81, and the grounding elastic pieces 24 play a role in grounding protection.

The grounding elastic sheet 24 has two connecting portions 241 extending along the radial direction, and the connecting portions 241 penetrate through the insertion holes of the cylindrical body 212 and are fixedly connected with the cylindrical body 212 through screws. The cylindrical body 212 includes a first sub-body 2121 and a second sub-body 2122, the first sub-body 2121 is provided with two axial mounting grooves extending from the middle portion to the end portion of the first sub-body 2121, and the mounting grooves mount the connecting portion 241 of the grounding elastic piece 24. The second body 2122 is fitted over a portion of the first body 2121 having the mounting groove.

In the process of mounting the grounding elastic sheet 24, the first sub-body 2121 and the second sub-body 2122 are detached, the grounding elastic sheet 24 is snapped in from one end of the first sub-body 2121, wherein the connecting portion 241 is moved to the middle position of the first sub-body 2121 along the mounting groove, the second sub-body 2122 is sleeved on the first sub-body 2121, the connecting portion 241 is clamped at the middle position of the first sub-body 2121 by the second sub-body 2122, and the connecting portion 241 is fixed with the first sub-body 2121 through a screw. The connection portion 241 is connected to a ground cable to form a ground connection.

In some embodiments, the grounding elastic sheet 24 is provided with a mounting hole, the cylindrical body 212 is provided with a threaded hole, and the grounding elastic sheet 24 is fixed in the insertion hole in the cylindrical body 212 through a screw, so that the grounding elastic sheet 24 can be also fixedly mounted.

In this embodiment, the connector 22 of inserting 2 is installed on the installed part 21 by the floating connection mode, the hard connection adjustment of the plug 811 of the connector 22 and the camera connecting line 81 is floating adaptive connection, the hard friction of the plug 811 of the camera connecting line 81 caused by the precision error in the plug connection process can be reduced, and then the metal powder or foreign matter generated by the hard friction can be reduced, the connection short circuit and signal disconnection caused by the metal powder or foreign matter are avoided, and the stability of signal connection is ensured.

In this embodiment, the grounding elastic sheet 24 is installed in the jack of the cylindrical body 212 by setting the connecting portion 241 and adopting a fixed connection manner, so that the grounding elastic sheet 24 is prevented from being deformed due to plugging and unplugging of the plug 811 of the camera connecting wire 81 for many times to affect the grounding connection, and the stability of the grounding connection is ensured.

In one embodiment, a socket is provided, and the socket of the present embodiment is the socket 2 of the endoscope imaging system host in the above embodiments. The mating plug 2 is used for being installed in the main machine 60 of the endoscope camera system, the mating plug 2 is used for being connected with the plug 811 of the camera connecting line 81 in a floating mode, and the mating plug 2 can also be used for being connected with the plug of the video connecting line 82 in a floating mode, so that the stability of video signal output is ensured, and the cost is reduced.

In some embodiments, the mating plug 2 is configured to be installed on other device hosts, such as an ultrasound host or a portable ultrasound host.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims

1. An endoscopic camera system host, comprising:

the processor is arranged in the accommodating cavity of the shell; and

join in marriage and insert, including installed part and connector, the installed part sets up the holding intracavity of shell, the installed part has the jack that runs through, the jack with the installing port aligns the intercommunication, the connector can floatably connect on the installed part, the connector has first connecting terminal and second connecting terminal, first connecting terminal orientation the jack sets up, first connecting terminal be used for with the plug connection of camera connecting wire, second connecting terminal with the treater is connected.

2. The endoscopic camera system host of claim 1, wherein said mount and said connector have a space therebetween for floating in a radial direction of said receptacle.

3. The endoscopy camera system host of claim 2, wherein the mating plug further comprises a resilient member coupled between the connector and the mounting member, the resilient member being configured to provide a restoring force to the connector.

4. The endoscopic camera system host of claim 3, wherein said resilient member comprises at least one of a spring, a rubber ring, and a rubber post.

5. The endoscope camera system host of claim 2, wherein the mounting member is provided with a limiting post on a surface facing the connector, the connector is provided with a limiting hole, an inner diameter of the limiting hole is larger than an outer diameter of the limiting post, and the limiting post is connected in the limiting hole.

6. The endoscopic camera system host according to claim 5, wherein said retaining post is provided with a threaded hole, a screw is disposed in said threaded hole, one end of said screw remote from said retaining post abuts against a face of said connector facing away from said retaining post, said screw is for retaining an axial degree of freedom of said connector.

7. The endoscope camera system host of any one of claims 1 to 6, wherein the mating plug further comprises a grounding spring, and the grounding spring is fixedly arranged in the insertion hole of the mounting member.

8. The host computer of claim 7, wherein the grounding spring plate has a connecting portion, and the connecting portion penetrates through the insertion hole and is fixedly connected with the mounting member.

9. The utility model provides an endoscope camera system host computer is equipped with and inserts, its characterized in that includes installed part and connector, the installed part has the jack that runs through, the connector floatably connects on the installed part, the connector has first connecting terminal and second connecting terminal, first connecting terminal orientation the jack sets up, first connecting terminal is used for the plug connection with the camera connecting wire, the second connecting terminal is used for being connected with the treater of host computer.

10. The endoscopic camera system host computer of claim 9, wherein the mount and the connector have a space therebetween for floating in a radial direction of the insertion hole.

11. The endoscopic camera system host mating according to claim 10, wherein the mating further comprises a resilient member coupled between the connector and the mounting member, the resilient member for providing a restoring force to the connector.

12. The endoscopic camera system host computer of claim 11, wherein the resilient member comprises at least one of a spring, a rubber ring, and a rubber post.

13. The endoscopic camera system host computer mating according to claim 10, wherein a limiting post is provided on a face of the mounting member facing the connector, a limiting hole is provided on the connector, an inner diameter of the limiting hole is larger than an outer diameter of the limiting post, and the limiting post is connected in the limiting hole.

14. The endoscopic camera system host computer of claim 13, wherein the position post is provided with a threaded hole, a screw is disposed in the threaded hole, one end of the screw remote from the position post abuts against a face of the connector facing away from the position post, and the screw is used to limit the axial degree of freedom of the connector.

15. The endoscopic camera system host computer mating according to any one of claims 9 to 14, further comprising a grounding spring fixedly disposed within the receptacle of the mounting member.

16. The endoscopic camera system host computer of claim 15, wherein the grounding spring has a connecting portion, and the connecting portion passes through the insertion hole and is fixedly connected to the mounting member.

17. An endoscopic imaging system, comprising: the endoscope camera shooting system host comprises a light source, a light guide beam, an endoscope, an optical bayonet, a camera connecting wire, a camera, a display, a video connecting wire and the endoscope camera shooting system host according to any one of claims 1 to 8, wherein the light source is connected with the endoscope through the light guide beam, one end of the camera is connected with the endoscope through the optical bayonet, the other end of the camera is connected with the endoscope camera shooting system host through the camera connecting wire in an inserting mode, and the endoscope camera shooting system host is connected with the display through the video connecting wire.