CN220192963U - Endoscope device and endoscope system - Google Patents

Abstract

The utility model relates to an endoscope device and an endoscope system, wherein the endoscope device comprises a handle assembly, a lens tube, an image sensor and an image cable, wherein: the handle assembly comprises a handle body, a handle plug and a handle cable, wherein the handle cable comprises a protective sleeve and a hollow tube, and the hollow tube is arranged in the protective sleeve in a penetrating manner; the lens tube is arranged at one end of the handle body and is communicated with the handle body; the image sensor is arranged at one end of the lens tube far away from the handle body; one end of the image cable is electrically connected with the image sensor, and the other end of the image cable sequentially penetrates through the lens tube, the handle body and the hollow tube and is electrically connected with the handle plug. In the endoscope device, the handle cable can be used for penetrating the image cable while electrically connecting the handle body and the handle plug, and the image cable can be prevented from generating break points in the handle body, so that the stability of signal transmission is ensured, and the image effect is improved; meanwhile, the steps of wire stripping, welding and the like can be reduced, the assembly steps are simplified, and the assembly efficiency is improved.

Description

Endoscope device and endoscope system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an endoscope device and an endoscope system.

Background

In the existing endoscope, a PCB (printed Circuit Board) is usually arranged in a handle, and the image sensor and the PCB as well as the PCB and a handle plug are respectively and electrically connected through cables, so that signals sent by the image sensor can be transmitted to an image processor through a first cable, the PCB, a second cable and the handle plug in sequence.

However, in this data transmission method, the signal is easily interfered with the external signal due to the breaking and welding of the PCB board, and the stability of the signal transmission is also easily affected due to the interference of the external electromagnetic signal, resulting in a poor image effect.

Disclosure of Invention

In view of the above, it is necessary to provide an endoscope apparatus and an endoscope system, which can ensure stable signal transmission and improve image effects.

The present utility model provides an endoscope apparatus including: the handle assembly comprises a handle body, a handle plug and a handle cable for electrically connecting the handle body and the handle plug, wherein the handle cable comprises a protective sleeve and a hollow tube, and the hollow tube is arranged in the protective sleeve in a penetrating manner; the lens tube is arranged at one end of the handle body and is communicated with the handle body; the image sensor is arranged at one end of the lens tube, which is far away from the handle body; and one end of the image cable is electrically connected with the image sensor, and the other end of the image cable sequentially penetrates through the mirror tube, the handle body and the hollow tube and is electrically connected with the handle plug.

In the endoscope device, the handle cable for electrically connecting the handle body and the handle plug comprises the protective sleeve and the hollow tube penetrating into the protective sleeve, and the hollow tube is used for penetrating the image cable electrically connected with the image sensor, so that the handle cable can be used for penetrating the image cable while electrically connecting the handle body and the handle plug; because the image cable can be directly and electrically connected with the handle plug after sequentially passing through the lens tube, the handle body and the hollow tube, the image cable can be prevented from generating break points in the handle body, so that the interference of the break points to the outside or the interference of external electromagnetic signals can be reduced, the stability of signal transmission is ensured, and the image effect is improved; meanwhile, the steps of wire stripping, welding and the like can be reduced, the assembly steps are simplified, and the assembly efficiency is improved. And moreover, the hollow tube can protect the image cable, and meanwhile, the image cable and other connecting cables penetrating through the protective sleeve can be prevented from interfering or intertwining, so that the stability of signal transmission is further ensured.

In one embodiment, the hollow tube is provided as an electromagnetic shielding plastic tube.

So set up, prevent electromagnetic plastic can play the effect of shielding outside electromagnetic interference to the image cable, also can prevent the electromagnetic energy of image cable and outwards spread, the shielding effect is better, promotes signal transmission's stability. And the plastic is cheap and easy to obtain and easy to process and mold, so that the production and processing cost can be reduced while the electromagnetic shielding effect is ensured.

In one embodiment, the handle cable further includes a shielding layer disposed on an inner sidewall of the protective sheath.

The shielding layer can play a role in shielding external electromagnetic interference on the image cable, electromagnetic energy of the image cable can be prevented from being outwards diffused, and stability of signal transmission is improved.

In one embodiment, the shielding layer is provided as a metal layer.

So set up, the shielding effect of metal level is better to can further promote signal transmission's stability.

In one embodiment, the handle cable further comprises a connecting cable which is arranged in the protective sleeve in parallel with the hollow tube, and two ends of the connecting cable are respectively electrically connected with the handle body and the handle plug.

The setting like this, connecting cable is used for connecting handle body and handle plug electricity to connecting cable and cavity pipe wear to locate in the protective sheath side by side, consequently connecting cable also can not interfere each other with the image cable, thereby can guarantee connecting cable and image cable's signal transmission's stability.

In one embodiment, the handle assembly further comprises a key disposed on a side wall of the handle body, and an end of the connecting cable away from the handle plug is electrically connected with the key.

So set up, the user can control this endoscope device through operating the button, and the button setting can be convenient for the user one hand hold the handle body and operate the button in the lateral wall of handle body.

In one embodiment, the connecting cable comprises a wire and an insulating layer coated on the periphery of the wire, and two ends of the wire are respectively and electrically connected with the handle body and the handle plug; and/or the number of the connecting cables is multiple, and the handle cables are arranged in parallel and penetrate through the protective sleeve.

So set up, the wire is used for transmitting the signal, and the insulating layer is used for protecting the wire, avoids the normal transmission of influence signal of mutual interference between a plurality of connecting cables to guarantee signal transmission's stability.

In one embodiment, the side wall of the handle body is provided with a wiring port, and one end of the handle cable, which is far away from the handle plug, is connected with the handle body through the wiring port.

So set up, the wiring mouth sets up in the lateral wall of handle body can avoid the handle cable to influence user's operation.

In one embodiment, the protective sleeve comprises a connecting section and an extending section, and the extending section extends into the handle body from the wiring port and is attached to the inner side wall of the handle body.

So set up, the connecting segment can protect the part that image cable and connecting cable stretched out the handle body outside, stretches into the section and can protect the part of image cable and connecting cable in the handle body. Moreover, the extending section can also avoid mutual interference with elements in the handle body or winding with the parts of the image cable and the connecting cable in the handle body, so that the internal structure of the handle body is ensured to be regular.

The utility model also provides an endoscope system which comprises the image processing device and the endoscope device, wherein the handle plug is electrically connected with the image processing device.

With this arrangement, the endoscope apparatus can realize signal transmission with the image processing apparatus through the image cable and the handle cable.

Drawings

In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings that are required to be used in the description of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic view of an endoscope apparatus according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a handle cable according to the present utility model.

Reference numerals: 1. a handle assembly; 11. a handle body; 111. a wiring port; 12. a handle plug; 13. a handle cable; 131. a protective sleeve; 1311. a connection section; 1312. a stretch-in section; 132. a hollow tube; 133. a connection cable; 1331. a wire; 1332. an insulating layer; 134. a shielding layer; 14. a key; 2. a lens tube; 3. an image sensor; 4. an image cable.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used in the description of the present application for purposes of illustration only and do not represent the only embodiment.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first feature with the second feature, or an indirect contact of the first feature with the second feature via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

Unless defined otherwise, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The term "and/or" as used in the specification of this application includes any and all combinations of one or more of the associated listed items.

In the existing endoscope, a PCB (printed Circuit Board) is usually arranged in a handle, and the image sensor and the PCB as well as the PCB and a handle plug are respectively and electrically connected through cables, so that signals sent by the image sensor can be transmitted to an image processor through a first cable, the PCB, a second cable and the handle plug in sequence. However, in this data transmission method, the signal is easily interfered with the external signal due to the breaking and welding of the PCB board, and the stability of the signal transmission is also easily affected due to the interference of the external electromagnetic signal, resulting in a poor image effect. And, the cable still needs to increase steps such as wire stripping welding with PCB board electricity in the inside handle to lead to the assembly step of endoscope comparatively loaded down with trivial details.

In the related art, some endoscopes also wear the image cable and other handle cables into a cable housing and directly electrically connect with the plug, however, because the number of handle cables is large, the image cable and the handle cable are easily wound around each other in the cable housing, so that the stability of cable signal transmission is also affected.

In order to solve the above problems, as shown in fig. 1 to 2, the present utility model firstly provides an endoscope apparatus in which an image cable does not have a break point inside a handle and is not wound with other handle cables, thereby enabling a stable signal transmission and an improved image effect.

As shown in fig. 1 to 2, in particular, the endoscope apparatus includes a handle assembly 1, a scope tube 2, an image sensor 3, and an image cable 4, wherein: the handle assembly 1 comprises a handle body 11, a handle plug 12 and a handle cable 13 for electrically connecting the handle body 11 and the handle plug 12, wherein the handle cable 13 comprises a protective sleeve 131 and a hollow tube 132, and the hollow tube 132 is arranged in the protective sleeve 131 in a penetrating manner; the lens tube 2 is arranged at one end of the handle body 11 and is communicated with the handle body 11; the image sensor 3 is arranged at one end of the lens tube 2 far away from the handle body 11; one end of the image cable 4 is electrically connected to the image sensor 3, and the other end sequentially passes through the lens tube 2, the handle body 11 and the hollow tube 132 and is electrically connected to the handle plug 12.

The image sensor 3 is configured to receive an optical signal of a focal region of a patient, and convert the optical signal into an electrical signal, and the electrical signal can be transmitted through the image cable 4 connected to the image sensor 3. The handle plug 12 is electrically connected to an external device such as an image processing apparatus, and transmits signals between the endoscope apparatus and the device such as the image processing apparatus via the image cable 4 and the handle cable 13.

As described above, in the conventional endoscope, the PCB is usually disposed in the handle, and the image sensor and the PCB and the handle plug are electrically connected through the cable respectively, so that the signal is easily interfered by external electromagnetic signals due to the breaking and welding of the PCB in the data transmission manner, and the stability of the signal transmission is affected, resulting in poor image effect; and, the cable still needs to increase steps such as wire stripping welding with PCB board electricity in the inside handle to lead to the assembly step of endoscope comparatively loaded down with trivial details. In the endoscope apparatus provided by the embodiment of the utility model, the handle cable 13 for electrically connecting the handle body 11 and the handle plug 12 comprises the protective sleeve 131 and the hollow tube 132 penetrating through the protective sleeve 131, and the hollow tube 132 is used for penetrating the image cable 4 electrically connected with the image sensor 3, so that the handle cable 13 can be used for penetrating the image cable 4 while electrically connecting the handle body 11 and the handle plug 12; the image cable 4 is longer to can pass mirror tube 2 in proper order, handle body 11 and cavity pipe 132 after be connected with direct handle plug 12 electricity, can avoid carrying out the signal transfer through the PCB board like this, the image cable 4 can not produce the breakpoint in handle body 11, thereby can reduce the breakpoint to the interference that the external produced, or by external electromagnetic signal interference, with guarantee signal transmission's stability, promote the image effect, reduce image problems such as image vertical stripe. Meanwhile, the image cable 4 does not need to be welded with the PCB in the handle body 11, so that the steps of wire stripping welding and the like can be reduced, the assembly steps are simplified, and the assembly efficiency is improved.

In addition, compared with the scheme that the image cable and other handle cables are directly threaded into one cable housing in the prior art, in the endoscope device provided by the embodiment of the utility model, the image cable 4 is the hollow tube 132 threaded into the protective sleeve 131, and the diameter of the image cable 4 threaded into the lens tube 2 is also thinner because the aperture of the lens tube 2 is usually thinner, the hollow tube 132 can protect the image cable 4, and meanwhile, the image cable 4 and other connecting cables 133 threaded into the protective sleeve 131 can be prevented from interfering or intertwining, so that the stability of signal transmission is further ensured.

The protective sleeve 131 may be a silicone sleeve, a rubber sleeve, or a plastic sleeve, and is used to protect the image cable 4 and the connection cable 133. The protective sleeve 131 made of silica gel, rubber or plastic allows the handle cable 13 to be bent for the convenience of the user. In addition, materials such as silica gel, rubber or plastic are cheap and easy to obtain, and are easy to process and mold, so that the production and processing cost can be reduced.

As shown in fig. 2, the handle cable 13 further includes a connection cable 133 inserted in the protective case 131 in parallel with the hollow tube 132, and both ends of the connection cable 133 are electrically connected to the handle body 11 and the handle plug 12, respectively. The connection cable 133 is used for electrically connecting the handle body 11 and the handle plug 12, and the connection cable 133 and the hollow tube 132 are arranged in parallel in the protective sleeve 131, so that the connection cable 133 does not interfere with the image cable 4, and stability of signal transmission of the connection cable 133 and the image cable 4 can be ensured.

In one embodiment, the hollow tube 132 is provided as an electromagnetic shielding plastic tube. The anti-electromagnetic plastic can play a role in shielding external electromagnetic interference on the image cable 4, and can also prevent electromagnetic energy of the image cable 4 from diffusing outwards, so that the shielding effect is good, and the stability of signal transmission can be improved. The plastic makes the hollow tube 132 capable of being bent along with the whole handle cable 13, and the plastic is cheap and easy to obtain and easy to process and mold, so that the production and processing cost can be reduced while the electromagnetic shielding effect is ensured. In another embodiment, the hollow tube 132 may be provided as a flexible metal tube or other conduit capable of shielding electromagnetic waves. Of course, in other embodiments, the hollow tube 132 may be provided as a rubber tube or other tube that cannot shield electromagnetic waves, and a shielding coating may be provided on the inner wall of the hollow tube 132, so long as the hollow tube can be used for penetrating the image cable 4 and protecting the image cable 4, and the embodiment of the present utility model is not limited herein.

As shown in fig. 2, the handle cable 13 further includes a shielding layer 134 disposed on the inner sidewall of the protective sheath 131. The shielding layer 134 can play a role in shielding external electromagnetic interference on the image cable 4 and the connecting cable 133, and can also prevent electromagnetic energy of the image cable 4 and the connecting cable 133 from diffusing outwards, so that stability of signal transmission is further improved. Moreover, when the hollow tube 132 is set as the electromagnetic plastic tube, and the shielding layer 134 is arranged on the inner side wall of the protective sleeve 131, the electromagnetic plastic tube and the shielding layer 134 can play a dual protection role on the image cable 4, so that the electromagnetic signal has stronger anti-interference capability, better image effect and is easier to pass related authentication tests.

In one embodiment, the shielding layer 134 may be provided as a metal layer. The shielding effect of the metal layer is good, so that the stability of signal transmission can be further improved. The metal layer may be coated or electroplated on the inner side wall of the protective sleeve 131, or a metallized paper may be adhered on the inner side wall of the protective sleeve 131. Wherein, the metal can be copper, aluminum alloy, etc. Of course, in other embodiments, the shielding layer 134 may be a semiconductor shielding layer, so long as the shielding effect can be achieved on the image cable 4 and the connection cable 133, and the embodiment of the present utility model is not particularly limited herein.

As shown in fig. 1, the handle assembly 1 further includes a key 14 disposed on a side wall of the handle body 11, and an end of the connection cable 133 remote from the handle plug 12 is electrically connected to the key 14. The user can control the endoscope apparatus by operating the key 14, and the key 14 is provided on the side wall of the handle body 11, so that the user can grasp the handle body 11 with one hand and operate the key 14.

As shown in fig. 2, the number of the connection cables 133 is plural, and the plural connection cables 133 are inserted in parallel into the protective case 131. The plurality of connecting cables 133 may be connected to different positions of the handle body 11 and configured as connecting lines with different functions, for example, the handle assembly 1 may include a plurality of keys 14 with different functions, and other components may be added inside the handle body 11, and each key 14 and component are electrically connected to one or more connecting cables 133 respectively; alternatively, the connection cable 133 may be provided as a ground line. The connecting cables 133 with different functions are all arranged in the same protective sleeve 131 in a penetrating manner and are electrically connected with external devices such as an image processing device through the handle plug 12, so that the functions of the endoscope device can be increased, and the influence on the operation of a user caused by excessive external cables of the handle body 11 can be avoided.

As shown in fig. 2, the connection cable 133 includes a wire 1331 and an insulating layer 1332 covering the outer periphery of the wire 1331, and both ends of the wire 1331 are electrically connected to the handle body 11 and the handle plug 12, respectively. The conductive wire 1331 is used for transmitting signals, and the insulating layer 1332 is used for protecting the conductive wire 1331, so that the normal transmission of signals is prevented from being influenced by mutual interference among the plurality of connecting cables 133, and the stability of signal transmission is ensured.

As shown in fig. 1, the side wall of the handle body 11 is provided with a wiring port 111, and one end of the handle cable 13 away from the handle plug 12 is connected with the handle body 11 through the wiring port 111. The wiring port 111 is provided in the side wall of the handle body 11 to avoid the handle cable 13 from affecting the user operation. The connection port 111 may be disposed opposite to the key 14, so as to avoid interference between the handle cable 13 and the key 14.

In the illustrated embodiment, the protective sleeve 131 includes a connecting section 1311 and an extension section 1312, and the extension section 1312 extends into the handle body 11 from the junction 111 and conforms to the inner sidewall of the handle body 11. The connection section 1311 can protect the portions of the image cable 4 and the connection cable 133 extending outside the handle body 11, and the extension section 1312 extends into the handle body 11 and also can protect the portions of the image cable 4 and the connection cable 133 in the handle body 11. Moreover, the jointing of the extending section 1312 and the inner side wall of the handle body 11 can avoid the mutual interference between the extending section 1312 and the elements inside the handle body 11 or the winding of the extending section 1312 and the parts of the image cable 4 and the connecting cable 133 inside the handle body 11, thereby ensuring the regularity of the internal structure of the handle body 11.

In another embodiment, the protecting cover 131 may be directly connected to the connection port 111, and the image cable 4 and the connecting cable 133 extend into the protecting cover 131 from the connection port 111.

The present utility model also provides an endoscope system including an image processing apparatus (not shown) and the above-described endoscope apparatus, and the handle plug 12 is electrically connected to the image processing apparatus. The image sensor 3 can convert the received optical signal into an electrical signal, and then realize signal transmission with the image processing device through the image cable 4, and other elements in the handle assembly 1 such as the handle body 11 and the key 14 can realize signal transmission with the image processing device through the handle cable 13. Of course, the endoscope system may also include other devices such as a power source electrically connected to the handle plug 12 according to actual needs, and the embodiment of the present utility model is not limited in this regard.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of the present application is to be determined by the following claims.

Claims (10)

1. An endoscope apparatus, comprising:

the handle assembly (1) comprises a handle body (11), a handle plug (12) and a handle cable (13) for electrically connecting the handle body (11) and the handle plug (12), wherein the handle cable (13) comprises a protective sleeve (131) and a hollow tube (132), and the hollow tube (132) is arranged in the protective sleeve (131) in a penetrating manner;

the lens tube (2) is arranged at one end of the handle body (11) and is communicated with the handle body (11);

the image sensor (3) is arranged at one end of the lens tube (2) far away from the handle body (11); the method comprises the steps of,

and one end of the image cable (4) is electrically connected with the image sensor (3), and the other end sequentially passes through the mirror tube (2), the handle body (11) and the hollow tube (132) and is electrically connected with the handle plug (12).

2. An endoscopic device according to claim 1, wherein the hollow tube (132) is provided as an electromagnetic shielding plastic tube.

3. The endoscopic device according to claim 1 or 2, wherein the handle cable (13) further comprises a shielding layer (134) arranged to an inner side wall of the protective sheath (131).

4. An endoscopic device according to claim 3, wherein the shielding layer (134) is provided as a metal layer.

5. The endoscope apparatus according to claim 1, wherein the handle cable (13) further comprises a connection cable (133) penetrating the protective sheath (131) in parallel with the hollow tube (132), and both ends of the connection cable (133) are electrically connected to the handle body (11) and the handle plug (12), respectively.

6. The endoscopic device according to claim 5, wherein the handle assembly (1) further comprises a key (14) arranged at a side wall of the handle body (11), and wherein an end of the connection cable (133) remote from the handle plug (12) is electrically connected to the key (14).

7. The endoscope apparatus according to claim 5, wherein the connection cable (133) includes a lead wire (1331) and an insulating layer (1332) covering an outer periphery of the lead wire (1331), both ends of the lead wire (1331) being electrically connected to the handle body (11) and the handle plug (12), respectively; and/or the number of the groups of groups,

the number of the connecting cables (133) is multiple, and the handle cables (13) are arranged in the protective sleeve (131) in a parallel penetrating mode.

8. An endoscope apparatus according to claim 1, characterized in that a wiring port (111) is provided in a side wall of the handle body (11), and that an end of the handle cable (13) remote from the handle plug (12) is connected to the handle body (11) through the wiring port (111).

9. The endoscope apparatus according to claim 8, wherein the protective sheath (131) comprises a connecting section (1311) and an extending section (1312), the extending section (1312) extending from the junction port (111) into the handle body (11) and being attached to an inner side wall of the handle body (11).

10. An endoscope system comprising an image processing device and an endoscope device according to any of claims 1-9, said handle plug (12) being electrically connected to said image processing device.