CN117598650A - Endoscope system and control method - Google Patents

Abstract

The present disclosure provides an endoscope system, comprising: the cold light source host is used for generating a cold light source; an endoscope for receiving a cold light source generated by a cold light source host and providing the cold light source to biological tissue; a camera assembly for receiving reflected light of human tissue transmitted via an endoscope and generating a biological tissue image; the optical cable is connected with the endoscope and the cold light source host, and the cold light source is transmitted through the optical cable; and the detection light path is arranged at one end point of the detection light path and is positioned at the cold light source host, the other end point of the detection light path is positioned at the camera component, and when the detection light is transmitted from the one end point of the detection light path to the other end point, the connection between the cold light source host and the endoscope and the connection between the endoscope and the camera component are judged to be normal. The present disclosure also provides a control method of an endoscope system.

Description

Endoscope system and control method

Technical Field

The present disclosure relates to an endoscope system and a control method, which belong to the technical field of medical instruments.

Background

Because the endoscope system can clearly shoot and display pathological tissues in a patient on the medical display, a doctor can conveniently judge and process the focus, and the endoscope system becomes an indispensable medical device in surgical operation.

The endoscope system in the prior art generally comprises a camera, a camera host, a cold light source host, an optical cable and an endoscope. In the practical application process, all the components of the system need to be orderly connected, wherein the optical cable is used for connecting the endoscope and the cold light source host, the camera is used for connecting the endoscope and the camera host, and any component is not normally connected, so that the endoscope system cannot normally work, and further actual operation cannot be performed.

On the other hand, the light source in the cold light source host generally has very high light emitting intensity, even if some cold light sources contain near infrared laser, before the cold light source host is started, if the endoscope system is not normally connected, for example: if the optical cable is not connected to the cold light source host or the endoscope is not connected to the optical cable, the high-intensity light emitted from the light outlet of the cold light source host may cause the operation to be dazzled or burned.

Existing endoscope systems may enable connection status detection of parts such as: the detection devices are arranged at the connection positions of the two ends of the optical cable and are connected with the light source control device, so that the control device can control the opening and closing of the light source according to the detection result of the detection devices, and the risk of unsuccessful connection or abnormal connection is reduced. However, the prior art does not have technical content for detecting the connection state of the whole endoscope system.

Disclosure of Invention

In order to solve one of the above technical problems, the present disclosure provides an endoscope system and a control method.

According to one aspect of the present disclosure, there is provided an endoscope system including:

the cold light source host is used for generating a cold light source;

an endoscope for receiving a cold light source generated by a cold light source host and providing the cold light source to biological tissue;

a camera assembly for receiving reflected light of human tissue transmitted via an endoscope and generating a biological tissue image;

the optical cable is connected with the endoscope and the cold light source host, and the cold light source is transmitted through the optical cable; and

the detection light path, one end point of the detection light path is located the cold light source host computer, the other end point of the detection light path is located the camera component, and when detection light is transmitted from one end point of the detection light path to the other end point, the connection between the cold light source host computer and the endoscope and the connection between the endoscope and the camera component are judged to be normal.

According to the endoscope system of at least one embodiment of the present disclosure, one of the camera assembly and the cold light source host is provided with a detection light emitting module, and the other of the camera assembly and the cold light source host is provided with a detection light receiving module, and when the detection light emitted by the detection light emitting module is received by the detection light receiving module, it is determined that the detection light can be transmitted from one end point to the other end point of the detection light path.

According to an endoscope system of at least one embodiment of the present disclosure, at least a portion of the detection light path is formed at the optical cable.

According to an endoscope system of at least one embodiment of the present disclosure, the optical cable is internally provided with an auxiliary optical fiber for transmitting the detection light emitted by the detection light emitting module.

According to an endoscope system of at least one embodiment of the present disclosure, at least a portion of the detection light path is formed at the endoscope.

An endoscope system according to at least one embodiment of the present disclosure, the endoscope includes a cable connection portion to which one end of the cable is connected; when the optical cable is normally connected with the endoscope, detection light can be mutually transmitted between a detection light path in the endoscope and a detection light path in the optical cable.

According to an endoscope system of at least one embodiment of the present disclosure, the endoscope is connected to the camera head assembly by means of a snap-fit, and such that both an axial position and a circumferential position between the endoscope and the camera head assembly are defined.

According to the endoscope system of at least one embodiment of the present disclosure, when the detection light cannot be transmitted from one end point to the other end point of the detection light path, it is determined that the connection between the cold light source host and the endoscope is abnormal and/or the connection between the endoscope and the camera assembly is abnormal.

According to an endoscope system of at least one embodiment of the present disclosure, the detection light is near infrared light.

According to another aspect of the present disclosure, there is provided a control method of the endoscope system, including:

the cold light source host and the camera component are powered on and started,

applying detection light to one end of the detection light path, and judging whether the other end of the detection light path can receive the detection light; when the other end of the detection light path receives the detection light, judging that the connection between the cold light source host and the endoscope is normal and the connection between the endoscope and the camera component is normal; and

when the connection between the cold light source host and the endoscope is normal and the connection between the endoscope and the camera assembly is normal, the cold light source host is controlled to emit cold light.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic structural view of an endoscope system according to an embodiment of the present disclosure.

Fig. 2 is a schematic diagram of a cold light source host according to one embodiment of the present disclosure.

Fig. 3 is a schematic structural view of an optical cable according to one embodiment of the present disclosure.

Fig. 4 is a schematic diagram of a cold light source host and fiber optic cable combination according to one embodiment of the present disclosure.

Fig. 5 is a schematic view of an endoscope and camera head assembly in combination according to one embodiment of the present disclosure.

Fig. 6 is a schematic diagram of an endoscope separated from a fiber optic cable according to one embodiment of the present disclosure.

Fig. 7 is a flowchart of a control method of an endoscope system according to an embodiment of the present disclosure.

The reference numerals in the drawings specifically are:

100 cold light source host

101 light emitting module

102 detection light emitting module

103 main control module

104 connection cable interface

105 optical cable connector

106 limiting piece

107 annular protrusion

108 positioning part

200 endoscope

201 optical cable connection part

202 circumferential limiting part

203 main optical path channel

204 auxiliary light path channel

205 insert

300 camera assembly

301 detection light receiving module

400 optical cable

401 first through hole

402 second through hole

403 extension

404 connection structure

405 first stop member

406 sleeve portion

407 second spacing component

408 counter bore

409 first end face

500 camera host.

Detailed Description

The present disclosure is described in further detail below with reference to the drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant content and not limiting of the present disclosure. It should be further noted that, for convenience of description, only a portion relevant to the present disclosure is shown in the drawings.

In addition, embodiments of the present disclosure and features of the embodiments may be combined with each other without conflict. The technical aspects of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the exemplary implementations/embodiments shown are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Thus, unless otherwise indicated, features of the various implementations/embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concepts of the present disclosure.

The use of cross-hatching and/or shading in the drawings is typically used to clarify the boundaries between adjacent components. As such, the presence or absence of cross-hatching or shading does not convey or represent any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated components, and/or any other characteristic, attribute, property, etc. of a component, unless indicated. In addition, in the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "under … …," under … …, "" under … …, "" lower, "" above … …, "" upper, "" above … …, "" higher "and" side (e.g., as in "sidewall"), etc., to describe one component's relationship to another (other) component as illustrated in the figures. In addition to the orientations depicted in the drawings, the spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" … … can encompass both an orientation of "above" and "below". Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising," and variations thereof, are used in the present specification, the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof is described, but the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximation terms and not as degree terms, and as such, are used to explain the inherent deviations of measured, calculated, and/or provided values that would be recognized by one of ordinary skill in the art.

Fig. 1 is a schematic structural view of an endoscope system according to an embodiment of the present disclosure.

As shown in fig. 1, the endoscope system of the present disclosure includes a cold light source host 100, an endoscope 200, a camera head assembly 300, an optical cable 400, a detection light path, and the like. The endoscope 200 is mechanically connected to one end of the optical cable 400, and the endoscope 200 is also mechanically connected to the camera head assembly 300; the other end of the optical cable 400 is mechanically connected with the cold light source host 100; the camera assembly 300 is also electrically connected with the camera host 500; the camera host 500 is electrically connected to the cold light source host 100.

Fig. 2 is a schematic diagram of a cold light source host according to one embodiment of the present disclosure.

As shown in fig. 2, the cold light source host 100 is a high-power semiconductor light source for generating an illumination light signal, i.e., a cold light source. More specifically, the cold light source host 100 includes a light emitting module 101, a detection light emitting module 102, a main control module 103, a connection cable interface 104, an optical cable connection port 105, and other components.

The connection interface 104 is located at the tail of the cold light source host 100 and can be connected to the camera host 500 through a cable, so that the cold light source host 100 can communicate with the camera host 500. For example, the cold light source host 100 can receive a control signal sent by the camera host 500, and execute the control signal through the main control module 103. That is, at this time, the main control module 103 can be communicatively connected to the camera host 500.

The light emitting module 101 is a high-power light emitting device, that is, the light emitting module 101 can emit an illumination light signal outwards. The light emitting module 101 can be controlled by the main control module 103 so that the light emitting module 101 can be turned on or off and can operate at a predetermined power.

The detection light emitting module 102 is a near infrared light emitter, i.e. the detection light emitting module 102 is capable of emitting near infrared light outwards, which may be continuous near infrared light, intermittent near infrared light or near infrared light at some fixed protocol frequency. The near infrared light and the illumination light signal emitted from the light emitting module 101 have a parallel positional relationship. Accordingly, the detection light emitting module 102 can also be controlled by the main control module 103 so that the detection light emitting module 102 can be turned on or off and can operate in a preset state.

In this disclosure, the main control module 103 is an embedded control module, which may be implemented by a processor such as a single-chip microcomputer or a DSP. The main control module 103 can be connected to the light emitting module 101 and the detection light emitting module 102, so that the light emitting module 101 and the detection light emitting module 102 can be controlled.

The optical cable connection port 105 is located at the front end of the cold light source host 100, the optical cable connection port 105 is formed in a hole shape, and in a preferred embodiment, the optical cable connection port 105 can be formed in a circular hole shape, so that the optical cable 400 can be connected through the optical cable connection port 105, and accordingly, the illumination light emitted by the light emitting module 101 and the near infrared light emitted by the detection light emitting module 102 can be emitted outwards through the optical cable connection port 105.

In a preferred embodiment, a limiting member 106 is disposed in the optical cable connection port 105, and the structure of the limiting member 106 will be described in detail below.

As shown in fig. 1, the endoscope 200 is a core component for optical imaging. Specifically, the endoscope 200 is configured to receive the cold light source generated by the cold light source host 100 and provide the cold light source to the biological tissue, for example, the cold light source can be provided to the focal site of the patient via the endoscope 200, so as to facilitate the doctor to judge or treat the focal site.

The optical cable 400 is connected to the endoscope 200 and the cold light source host 100, and specifically, one end of the optical cable 400 can be connected to the optical cable connection part 201 of the endoscope 200, and the other end of the optical cable 400 can be connected to the optical cable connection port 105 of the cold light source host 100, whereby the optical cable 400 can transmit the cold light source.

Fig. 3 is a schematic structural view of an optical cable according to one embodiment of the present disclosure.

As shown in fig. 3, the optical cable 400 includes a first through hole 401 and a second through hole 402 disposed along a length direction of the optical cable 400, wherein the cold light source can be transmitted from the first through hole 401, and in one embodiment, an optical fiber may be disposed in the first through hole 401, so that the cold light source can be transmitted through the optical fiber. The second through hole 402 has a smaller diameter than the first through hole 401, and at this time, the detection light can be transmitted from the inside of the second through hole 402. Accordingly, an optical fiber may be provided in the second through hole so that the detection light can be transmitted through the optical fiber.

Meanwhile, in consideration of the fact that the optical cable 400 is generally provided to be bendable, it is preferable to provide optical fibers in the first through hole 401 and the second through hole 402. In the present disclosure, when the optical cable 400 is provided to be inflexible, the first through hole 401 and the second through hole 402 may not be provided with optical fibers, and the cold light source and the detection light may be transmitted in the first through hole 401 and the second through hole 402, respectively.

Referring again to fig. 3, a counterbore 408 is provided at one end of the fiber optic cable 400, the counterbore 408 having a bottom wall, the bottom wall of the counterbore 408 being perpendicular or substantially perpendicular to the central axis of the fiber optic cable 400. Correspondingly, the area of the bottom wall of the counterbore 408 corresponding to the first through hole 401 is formed as a main light path light emitting end surface, and emits the cold light source outwards through the main light path light emitting end surface; accordingly, a region of the bottom wall of the counterbore 408 corresponding to the second through hole is formed as an auxiliary light path light emitting end surface, and the detection light (near infrared light) is emitted outwards through the auxiliary light path light emitting end surface.

At the same time, an extension 403 is also formed at one end of the optical cable 400, and an inner surface of the extension 403 forms at least part of a side wall of the counterbore 408. A stepped portion is formed between the outer surface of the extension 403 and the first end surface 409 of the optical cable 400, and the first end surface 409 is located at a position between the bottom wall of the counterbore 408 and the free end of the extension in the axial direction of the optical cable 400, so that the counterbore 408 can have a certain depth, thereby making the connection between the optical cable 400 and the endoscope 200 more stable.

In a preferred embodiment, the outer surface of the extension 403 is formed with external threads; meanwhile, the extension portion 403 is sleeved with a connection structure 404, one end of the connection structure 404 is in contact with the first end surface 409, and an inner flange structure is formed at one axial end of the connection structure 404 and is disposed near the first end surface 409.

The extension 403 is provided with an outer nut, which is capable of restricting the inner flange structure between the outer nut and the first end surface 409, i.e. restricting the movement of the connection structure 404 in the axial direction (length direction) of the optical cable 400.

In the present disclosure, the connection structure 404 may be a nut, and the connection structure 404 is provided to be freely rotatable. That is, the rotational freedom of the connecting structure 404 is not limited by the outer nut and the first end surface 409.

In one embodiment, the inner wall surface of the extension 403, that is, the inner wall surface of the counterbore 408, is formed with a first stop member 405, and the first stop member 405 can cooperate with the circumferential stop member 202 described above, so that the optical cable 400 can be normally connected to the endoscope 200.

The other end of the optical cable 400 is formed into a planar end surface and has a chamfer, so that the optical cable 400 can be easily inserted into the optical cable connection port 105 of the cold light source host 100.

Accordingly, the other end of the optical cable 400 and the corresponding region of the first through hole 401 form a main light path light entrance end surface; the other end of the optical cable 400 and the corresponding region of the second through hole 402 are formed as an auxiliary light path light entrance end surface.

Fig. 4 is a schematic diagram of a cold light source host and fiber optic cable combination according to one embodiment of the present disclosure.

As shown in fig. 3 and 4, a sleeve portion 406 is fixed at the other end of the optical cable 400, an annular groove is formed on an outer wall surface of the sleeve portion 406, correspondingly, an annular protrusion 107 is formed on an inner wall surface of the limiting member 106 of the cold light source host 100, and the position of the optical cable 400 in the length direction of the optical cable 400 relative to the cold light source host 100 is limited by matching the annular protrusion 107 with the annular groove.

In addition, the other end of the optical cable 400 is further provided with a second stopper 407, and the second stopper 407 may be formed as a slit, one surface of which is parallel to the length direction of the optical cable 400, and the other surface of which may be disposed parallel to the end surface of the other end of the optical cable 400.

Correspondingly, the limiting member 106 further includes a positioning portion 108, and when the optical cable 400 is mounted on the cold light source host 100, the positioning portion 108 can be located in the notch, and the circumferential position of the optical cable 400 is limited by the positioning portion 108.

More specifically, the positioning portion 108 includes a contact surface, the contact surface of the positioning portion 108 may be formed in a planar shape, and the planar contact surface may be disposed in contact with one surface of the second stopper member 407. At this time, the second stopper 407 is closer to the other end of the optical cable 400 than the sleeve portion 406. Accordingly, the positioning portion 108 is located closer to the inside of the cold light source host 100 than the annular protrusion 107.

That is, by the engagement of the stopper 106 with the annular groove of the sleeve portion 406 and the second stopper member 407, the optical cable 400 can be restricted in position both in the axial direction and in the circumferential direction with respect to the cold light source host 100, whereby the first through hole 401 (main light path light-entering end face) can coincide with the light-exiting surface central axis of the light-exiting module 101, and preferably the first through hole 401 (main light path light-entering end face) can coincide with the light-exiting surface of the light-exiting module 101; accordingly, the light emitted from the light emitting module 101 can be transmitted through the first through hole 401, and the second through hole 402 (auxiliary light path light incident end surface) can be overlapped with the light emitting end surface central axis of the detection light emitting module 102, and preferably, the second through hole 402 (auxiliary light path light incident end surface) can be in contact with the light emitting end surface of the detection light emitting module 102, at which time the detection light emitted from the detection light emitting module 102 can be transmitted through the second through hole 402.

In a preferred embodiment, the limiting member 106 is made of a metal material, and accordingly, the annular protrusion 107 and the positioning portion 108 are formed in a metal protrusion structure and located inside the optical cable connection port 105 at the front end of the cold light source host 100.

Fig. 5 is a schematic view of an endoscope and camera head assembly in combination according to one embodiment of the present disclosure. Fig. 6 is a schematic diagram of an endoscope separated from a fiber optic cable according to one embodiment of the present disclosure.

As shown in fig. 5 and 6, the camera assembly 300 is used to receive reflected light of human tissue transmitted through the endoscope 200 and generate a biological tissue image; specifically, the camera module 300 is an image acquisition device with an image sensor, and is used for image acquisition and electrical signal conversion. Correspondingly, the camera assembly 300 is connected to the camera host 500 through a cable, and the camera host 500 is an FPGA-based image processing unit for image conversion and optimization; moreover, the camera host 500 can also send a control command to the cold light source host 100 to control the working states of the light emitting module 101 and the detection light emitting module 102 of the cold light source host 100, for example, to control the light emitting module 101 and the detection light emitting module 102 to be turned on and off, and to control the working powers of the light emitting module 101 and the detection light emitting module 102.

In the present disclosure, the cable is an integrated harness of a plurality of signal lines, whereby data can be transferred between the camera head assembly 300 and the camera host 500, and control instructions can be transferred between the camera host 500 and the cold light source host 100.

In one embodiment, the endoscope 200 includes a cable connection 201 and a circumferential stop member 202, while the interior of the endoscope 200 includes a primary optical path channel 203 and a secondary optical path channel 204. In a preferred embodiment, an optical fiber may be disposed within the main optical path channel 203 to transmit the cold light source therethrough. Accordingly, an entire optical fiber may be disposed within the auxiliary optical path 204 and the near infrared light may be transmitted through the optical fiber. On the other hand, instead of the optical fiber, an optical device, such as a mirror, may be provided in the auxiliary optical path 204, so as to change the propagation direction of the light.

The endoscope 200 further includes an insertion portion 205, where the insertion portion 205 includes a portion of the main optical path channel 203 and a portion of the auxiliary optical path channel 204, and at this time, the insertion portion 205 can be inserted into the counterbore 408 of the optical cable 400, and accordingly, an end surface of the insertion portion 205 is formed into a substantially planar shape, a portion of the end surface of the insertion portion 205 opposite to the main optical path channel 203 is formed into a main optical path light incident surface, and a portion of the end surface of the insertion portion 205 opposite to the auxiliary optical path channel 204 is formed into an auxiliary optical path light incident surface. The main light path light incident surface of the insertion portion 205 can be coincident with the main light path light emitting end surface central axis of the optical cable 400, and preferably, the main light path light incident surface of the insertion portion 205 can be in contact with the main light path light emitting end surface of the optical cable 400, so that a cold light source can be transmitted from the optical cable 400 to the endoscope 200. Accordingly, the light incident surface of the auxiliary light path of the insertion portion 205 can be overlapped with the central axis of the light emitting end surface of the auxiliary light path of the optical cable 400, and preferably, the light incident surface of the auxiliary light path of the insertion portion 205 can be attached to the light emitting end surface of the auxiliary light path of the optical cable 400, so that the detection light can be transmitted from the optical cable 400 to the endoscope 200.

In one embodiment, the cable connection 201 may be formed as external threads, whereby the connection structure 404 can be secured to the cable connection 201 by way of a threaded fit.

Also, the circumferential stopper member 202 is formed as a boss portion which is located at an outer surface of the insertion portion 205 and which extends in an axial direction of the insertion portion 205, and accordingly, the first stopper member 405 is formed as a groove portion which is formed at a side wall of the counterbore 408 and which is provided to be extendable in an axial direction of the counterbore 408, whereby circumferential positions of the optical cable 400 and the endoscope 200 are fixed by cooperation of the boss portion and the groove portion.

In the present disclosure, the camera module 300 includes a detection light receiving module 301, where the detection light receiving module 301 is disposed adjacent to the light emitting surface of the auxiliary light path channel 204, so that the detection light receiving module 301 can receive the detection light transmitted through the auxiliary light path channel 204. In one embodiment, the auxiliary light path channel 204 is formed in a bent structure, so that the auxiliary light path light incident surface and the auxiliary light path light emergent surface of the auxiliary light path channel 204 are located in different planes.

In summary, one end point of the detection light path is located in the cold light source host 100, and the other end point of the detection light path is located in the camera assembly 300, when the detection light is transmitted from the one end point to the other end point of the detection light path, it is determined that the connection between the cold light source host 100 and the endoscope 200 is normal and the connection between the endoscope 200 and the camera assembly 300 is normal; when the detection light cannot be transmitted from one end point to the other end point of the detection light path, it is determined that the connection between the cold light source host 100 and the endoscope 200 is abnormal and/or the connection between the endoscope 200 and the camera head assembly 300 is abnormal. More specifically, the detection light path may include the second through hole 402 and the auxiliary light path channel 204.

In another embodiment, the detection light emitting module of the present disclosure can also be disposed in the camera assembly 300, and accordingly, the detection light receiving module 301 is disposed in the cold light source host 100; accordingly, when the detection light emitted by the detection light emitting module is received by the detection light receiving module, it is determined that the detection light can be transmitted from one end point to the other end point of the detection light path, and accordingly, the connection between the optical cable connection portion 201 and the connection structure 404 is normal and the connection between the circumferential limit member 202 and the first limit member 405 is normal; at this time, the connection between the cold light source host 100 and the endoscope 200 is normal and the connection between the endoscope 200 and the camera head assembly 300 is normal.

In the present disclosure, the endoscope 200 and the camera assembly 300 are connected by means of a snap-fit connection, so that both the axial position and the circumferential position between the endoscope 200 and the camera assembly 300 can be limited, and the auxiliary optical path channel 204 can coincide with the central axis of the detection light receiving module 301.

Fig. 7 is a flowchart of a control method of an endoscope system according to an embodiment of the present disclosure.

As shown in fig. 7, in the control method of the endoscope system of the present disclosure, the endoscope system is the above-described endoscope system, and the control method of the endoscope system includes: the cold light source host 100 and the camera assembly 300 are powered on, detection light is applied to one end of the detection light path, and whether the other end of the detection light path can receive the detection light is judged; when the other end of the detection light path receives the detection light, the connection between the cold light source host 100 and the endoscope 200 and the connection between the endoscope 200 and the camera assembly 300 are judged to be normal; and controlling the cold light source host 100 to emit the cold light source when the connection between the cold light source host 100 and the endoscope 200 is normal and the connection between the endoscope 200 and the camera assembly 300 is normal.

On the other hand, when the detection light cannot be transmitted from one end point to the other end point of the detection light path, it is determined that the connection between the cold light source host 100 and the endoscope 200 is abnormal and/or the connection between the endoscope 200 and the camera assembly 300 is abnormal, at this time, the cold light source host 100 controls the light emitting module 101 to be turned off or to be kept in the off state, and accordingly, the cold light source host 100 does not emit the cold light source to the outside.

That is, in the endoscope system and the control method of the endoscope system of the present disclosure, only when detecting that all components of the endoscope system are connected normally, the cold light source host can emit the cold light source, so that the interference of external factors on the detection device is solved, the reliability of the system is increased on the premise of ensuring the functions of the endoscope system, and the operator's eye glare or burn caused by unexpected light emission under the abnormal condition of component connection is effectively prevented.

More specifically, the control method of the endoscope system can form a connected closed loop feedback of the whole endoscope system in a mode of electric signals, optical signals and electric signals.

For example, after the cold light source host 100 and the camera host 500 are powered on and turned on, the camera host 500 can continuously send handshake connection electrical signals to the cold light source host 100; the cold light source host 100 continuously detects the handshake connection electrical signal; when the cold light source host 100 detects the handshake connection electrical signal, it indicates that the circuit connection between the cold light source host 100 and the camera host 500 is normal. Accordingly, when the cold light source host 100 does not detect the handshake connection electrical signal, it indicates that the cable between the cold light source host 100 and the camera host 500 is not properly connected.

When the cold light source host 100 detects the handshake connection electrical signal, the detection light emitting module is controlled to operate, and the detection light emitting module continuously, intermittently or at a certain fixed protocol frequency emits a near infrared light signal.

The detection light receiving module in the camera module 300 detects whether a specific light signal sent by the detection light emitting module is received or not in real time; if the detection is successful, the optical cable and the endoscope and the optical cable and the cold light source host are normally connected, and the endoscope and the camera component are normally connected.

Then, the camera component transmits the detection result to the camera host computer in the form of an electric signal through a cable; the camera host transmits the information that the endoscope system is correctly connected to the cold light source host in the form of an electric signal through a cable; the cold light source host can control the light emitting module to emit light after receiving the information that all the components are correctly connected, otherwise, the light emitting module can not emit light.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the present application. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

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.

It will be appreciated by those skilled in the art that the above-described embodiments are merely for clarity of illustration of the disclosure, and are not intended to limit the scope of the disclosure. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. An endoscope system, comprising:

the cold light source host is used for generating a cold light source;

an endoscope for receiving a cold light source generated by a cold light source host and providing the cold light source to biological tissue;

a camera assembly for receiving reflected light of human tissue transmitted via an endoscope and generating a biological tissue image;

the optical cable is connected with the endoscope and the cold light source host, and the cold light source is transmitted through the optical cable; and

the detection light path, one end point of the detection light path is located the cold light source host computer, the other end point of the detection light path is located the camera component, and when detection light is transmitted from one end point of the detection light path to the other end point, the connection between the cold light source host computer and the endoscope and the connection between the endoscope and the camera component are judged to be normal.

2. The endoscope system according to claim 1, wherein one of the camera assembly and the cold light source host is provided with a detection light emitting module, and the other of the camera assembly and the cold light source host is provided with a detection light receiving module, and when the detection light emitted by the detection light emitting module is received by the detection light receiving module, it is determined that the detection light can be transmitted from one end point to the other end point of the detection light path.

3. The endoscope system of claim 2, wherein at least a portion of the detection light path is formed in the fiber optic cable.

4. An endoscope system according to claim 3 and wherein said fiber optic cable is internally provided with an auxiliary optical fiber for transmitting the detection light emitted by said detection light emitting module.

5. The endoscope system of claim 2, wherein at least a portion of the detection light path is formed in an endoscope.

6. The endoscope system of claim 5, wherein the endoscope comprises a cable connection to which one end of the cable is connected; when the optical cable is normally connected with the endoscope, detection light can be mutually transmitted between a detection light path in the endoscope and a detection light path in the optical cable.

7. The endoscope system of claim 1, wherein the endoscope is connected to the camera head assembly by a snap fit such that an axial position and a circumferential position between the endoscope and the camera head assembly are defined.

8. The endoscope system of claim 1, wherein when the detection light cannot be transmitted from one end point to the other end point of the detection light path, it is determined that the connection between the cold light source host and the endoscope is not normal and/or the connection between the endoscope and the camera assembly is not normal.

9. The endoscope system of claim 1, wherein the detection light is near infrared light.

10. A control method of the endoscope system according to any one of claims 1 to 9, comprising:

the cold light source host and the camera component are powered on and started,

applying detection light to one end of the detection light path, and judging whether the other end of the detection light path can receive the detection light; when the other end of the detection light path receives the detection light, judging that the connection between the cold light source host and the endoscope is normal and the connection between the endoscope and the camera component is normal; and

when the connection between the cold light source host and the endoscope is normal and the connection between the endoscope and the camera assembly is normal, the cold light source host is controlled to emit cold light.