CN117158871A

CN117158871A - Endoscope with a lens

Info

Publication number: CN117158871A
Application number: CN202311389978.7A
Authority: CN
Inventors: 陈东; 许伯松; 徐业培
Original assignee: Xinguangwei Medical Technology Suzhou Co ltd
Current assignee: Xinguangwei Medical Technology Suzhou Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2023-12-05

Abstract

The present disclosure provides an endoscope, comprising: a body portion having one end provided in a shape to be convenient to grip, wherein the body portion has an inner space; a rotating portion rotatably provided at the other end of the main body portion; the insertion part is fixedly connected with one end of the insertion part and driven to rotate by the rotating part; the first operation part is arranged on the main body part and is connected with the main body part through a transmission structure, and when the first operation part is operated, the rotation part is enabled to rotate, wherein the transmission structure is arranged in the inner space of the main body part; and a second operation portion provided to the main body portion, the second operation portion being configured to cause bending of the other end of the insertion portion when operated.

Description

Endoscope with a lens

Technical Field

The present disclosure relates to medical devices, and more particularly to an endoscope.

Background

Endoscopes are medical devices often used for medical examination and treatment of diseases. Currently, when using a mainstream electronic endoscope, a medical person needs to hold an operation portion with one hand and control a bending angle of a head portion of an insertion portion of the endoscope, and grasp the insertion portion with the other hand to control advance and retreat of the insertion portion.

Moreover, the insert needs to be controlled to rotate under certain conditions. At this time, the medical staff needs to loosen the insertion part by holding the hand of the insertion part, move the insertion part to the rotation part, and rotate the rotation part to realize the rotation of the insertion part.

In particular, when the endoscope is advanced and retracted in the complex channel, the bending angle and the rotation angle need to be adjusted in real time according to the channel shape, and the rotation and the advancing and retracting of the insertion part of the main stream electronic endoscope are almost impossible to be simultaneously carried out, so that the operation difficulty of an operator is increased, and the operation time of an operation is prolonged.

Disclosure of Invention

In order to solve one of the above technical problems, the present disclosure provides an endoscope.

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

a body portion having one end provided in a shape to be convenient to grip, wherein the body portion has an inner space;

a rotating portion rotatably provided at the other end of the main body portion;

the insertion part is fixedly connected with one end of the insertion part and driven to rotate by the rotating part;

the first operation part is arranged on the main body part and is connected with the main body part through a transmission structure, and when the first operation part is operated, the rotation part is enabled to rotate, wherein the transmission structure is arranged in the inner space of the main body part; and

and a second operation portion provided to the main body portion, the second operation portion being configured to cause bending of the other end of the insertion portion when operated.

According to the endoscope of at least one embodiment of the present disclosure, the first operation portion is provided rotatably with respect to the main body portion.

According to an endoscope of at least one embodiment of the present disclosure, the first operation portion has a first rotation axis with respect to the main body portion, the rotation portion has a third rotation axis with respect to the main body portion, and the first rotation axis is not parallel to the third rotation axis.

An endoscope in accordance with at least one embodiment of the present disclosure, the first axis of rotation is substantially perpendicular to the third axis of rotation.

In accordance with an endoscope of at least one embodiment of the present disclosure, the main body portion has a longitudinal direction, and the third rotation axis is substantially parallel to the longitudinal direction of the main body portion.

According to the endoscope of at least one embodiment of the present disclosure, the second operation portion is provided rotatably with respect to the main body portion.

According to an endoscope of at least one embodiment of the present disclosure, the second operation portion has a second rotation axis with respect to the main body portion, and the first rotation axis is substantially parallel to the second rotation axis.

An endoscope according to at least one embodiment of the present disclosure, the transmission structure includes:

a first gear that can be rotated when the first operation portion is operated;

the transmission part is rotatably supported on the main body part, and one end of the transmission part is in transmission connection with the first gear; and

and the other end of the transmission part is in transmission connection with the connecting shaft, wherein the connecting shaft is arranged to be rotatable relative to the main body part, and the rotating part is fixedly connected with the connecting shaft.

According to an endoscope of at least one embodiment of the present disclosure, one end of the transmission part is formed with a driven tooth, which is engaged with the tooth of the first gear.

According to the endoscope of at least one embodiment of the present disclosure, the other end of the transmission part is formed as a driving spur gear, and one end of the connection shaft is formed with a driven spur gear, and the driving spur gear is engaged with the driven spur gear.

a driving member capable of rotating when the first operating portion is operated;

the driven piece is rotatably arranged on the main body part, and the driving piece is in transmission connection with the driven piece through a transmission piece; and

and the driven piece is connected with the connecting shaft through bevel gear transmission, wherein the connecting shaft is arranged to be rotatable relative to the main body part, and the rotating part is fixedly connected with the connecting shaft.

According to the endoscope of at least one embodiment of the present disclosure, the driven member is formed with a driving bevel gear, and the upper end of the connection shaft is formed with a driven bevel gear, and the driving bevel gear is engaged with the driven bevel gear.

According to an endoscope of at least one embodiment of the present disclosure, the driving member is a driving sprocket, the driven member includes a driven sprocket, and the driving member is a chain; or the driving part is a driving belt wheel, the driven part is a driven belt wheel, and the driving part is a driving belt.

According to an endoscope of at least one embodiment of the present disclosure, an adjusting block is provided on the transmission member, and the adjusting block is used for keeping the transmission member in a tensioned state.

According to the endoscope of at least one embodiment of the present disclosure, the rotation range of the rotating portion is ±120°, and the transmission ratio of the first operating portion to the rotating portion is 1:3.

according to the endoscope of at least one embodiment of the present disclosure, the first operation portion and the second operation portion are both provided at one end of the main body portion.

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 according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural view of a first transmission structure according to one embodiment of the present disclosure.

Fig. 3 is a schematic structural view of a second transmission structure according to one embodiment of the present disclosure.

The reference numerals in the drawings specifically are:

110 main body part

120 rotation part

130 insert

140 first operation part

150 second operation part

151 winding wheel

161 first gear

162 drive part

163 connecting shaft

171 driving piece

172 follower

173 driving piece

174 adjusting block

175 guide wheel

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.

As shown in fig. 1, the present disclosure provides an endoscope that may include a main body 110, a rotating part 120, an inserting part 130, a first operating part 140, and a second operating part 150, and the like.

The body portion 110 is configured to be held by a medical practitioner and has an interior space in which the drive structures (e.g., the first drive structure and the second drive structure are both located). Specifically, the main body 110 has a longitudinal direction, and as shown in fig. 1, the main body 110 is vertically disposed, whereby the longitudinal direction of the main body 110, i.e., the up-down direction.

Accordingly, one end of the main body 110 in the length direction, that is, the upper end of the main body 110 is configured to be easily held, and accordingly, the first and second operating parts 140 and 150 are also connected to the upper end of the main body 110.

The rotating part 120 is rotatably provided at the other end of the main body part 110; wherein the other end of the main body 110 is the lower end of the main body 110. In the present disclosure, the rotating part 120 may be fixed to a connection shaft 163, and the connection shaft 163 may be rotatably provided at a lower end of the body part 110, and thus the rotating part 120 may be rotated with respect to the body part 110.

One end of the insertion part 130 is fixedly connected with the rotation part 120, and is driven to rotate by the rotation part 120; in one embodiment, the insertion portion 130 is formed in a tubular shape, and the insertion portion 130 can be bent under the control of the second operation portion 150. More specifically, as shown in fig. 1, the second operation portion 150 is provided to the main body portion 110, and when the second operation portion 150 is operated, the other end of the insertion portion 130 is bent.

Further, as shown in fig. 3, the second operation unit 150 is provided rotatably with respect to the main body 110. Preferably, the second operation part 150 has a second rotation axis with respect to the main body part 110, wherein the second rotation axis is a horizontal straight line, i.e., the second rotation axis is disposed perpendicular to the length direction of the main body part 110, thereby enabling the medical staff to operate the second operation part 150 conveniently.

In the present disclosure, at least a portion of the second operating part 150 can be extended into the inside of the main body part 110, and a winding wheel 151 is fixedly provided on the portion, two pull wires are wound on the winding wheel 151, have opposite winding directions on the winding wheel 151, and can pass through the insertion part 130, be connected at different positions in the circumferential direction of the other end of the insertion part 130, thereby enabling the other end of the insertion part 130 (i.e., the head of the insertion part 130) to be bent by pulling the insertion part 130 by the pull wires.

The first operation part 140 is provided to the main body part 110, and when the first operation part 140 is operated, the rotation part 120 is rotated.

More specifically, the first operation portion 140 is provided rotatably with respect to the main body portion 110. That is, the first operation portion 140 has a first rotation axis with respect to the main body portion 110, wherein the first rotation axis is a horizontal straight line, and for example, the first rotation axis is substantially parallel or coincident with the second rotation axis.

In the present disclosure, the first and second operating parts 140 and 150 are formed in a push rod structure such that they have moment arms with respect to respective rotation axes, so as to facilitate the operation of the first and second operating parts 140 and 150 by a medical staff. In other words, the first and second operating parts 140 and 150 may have a symmetrical structure and each include a length direction, and the length directions of the first and second operating parts 140 and 150 have an angle substantially perpendicular to the respective rotation axes (first and second rotation axes).

The rotating portion 120 has a third rotational axis with respect to the main body portion 110, the first rotational axis being non-parallel to the third rotational axis. Preferably, the first axis of rotation is substantially perpendicular to the third axis of rotation. Accordingly, the third rotation axis may be substantially parallel to the length direction of the main body 110.

In the present disclosure, the first operating part 140 drives the rotating part 120 to rotate through a first transmission structure or through a second transmission structure.

The first transmission structure and the second transmission structure will be described in detail below with reference to fig. 2 and 3.

As shown in fig. 2, the first transmission structure may include: a first gear 161, a transmission part 162 and a connection shaft 163.

The first gear 161 is located inside the main body 110 and connected to the first operating part 140 so that the first gear 161 can be rotated when the first operating part 140 is operated.

More specifically, at least a portion of the first operating portion 140 extends into the main body 110, and accordingly, a portion of the first operating portion 140 located in the main body 110 is fixedly connected to the first gear 161. Preferably, the rotation axis of the first gear 161 is also the first rotation axis.

In the present disclosure, the teeth of the first gear 161 are formed on a surface perpendicular to the first rotation axis, that is, the teeth of the first gear 161 are not formed on the outer peripheral surface of the first gear 161 but are formed on one end surface of the first gear 161 in the first rotation axis direction, that is, the first gear 161 is formed as an end-surface gear; or the first gear 161 is formed as a bevel gear.

The transmission part 162 is rotatably supported at the main body part 110, and one end of the transmission part 162 is in transmission connection with the first gear 161; preferably, the rotation axis of the transmission part 162 is in a vertical direction, that is, the rotation axis of the transmission part 162 is parallel or substantially parallel to the length direction of the main body 110. Thus, when the first gear 161 rotates, the transmission part 162 is driven to rotate by the first gear 161.

In the present disclosure, the other end of the transmission part 162 is in transmission connection with the connection shaft 163, wherein the connection shaft 163 is provided to be rotatable with respect to the main body part 110, and the rotation part 120 is fixedly connected with the connection shaft 163, whereby the rotation part 120 can be rotated when the transmission part 162 is rotated.

In a preferred embodiment, one end of the driving part 162 is formed with driven teeth, which are engaged with the teeth of the first gear 161. The other end of the transmission part 162 is formed as a driving spur gear, and one end of the connection shaft 163 is formed with a driven spur gear, and the driving spur gear is engaged with the driven spur gear, thereby realizing a power transmission path of the entire endoscope.

In the present disclosure, the transmission part 162 is formed as an elongated member, thereby enabling a large distance between the first operation part 140 and the rotation part 120.

As shown in fig. 3, the second transmission structure includes: a driving member 171, a driven member 172, and a connecting shaft 163.

When the first operating part 140 is operated, the driving part 171 can be rotated; in one embodiment, the driving member 171 is disposed inside the main body 110 and is connected to the first operating part 140. Preferably, at least a portion of the first operating portion 140 extends into the main body 110, and accordingly, a portion of the first operating portion 140 located in the main body 110 is fixedly connected to the driving member 171. Preferably, the rotation axis of the driving member 171 is also the first rotation axis.

The driven member 172 is rotatably disposed on the main body 110, and the driving member 171 is in transmission connection with the driven member 172 through a transmission member 173; in the present disclosure, the follower 172 is disposed near the connection shaft 163, whereby the follower 172 is connected with the connection shaft 163 through a bevel gear transmission, wherein the connection shaft 163 is disposed rotatably with respect to the main body 110, and the rotation part 120 is fixedly connected with the connection shaft 163.

That is, in this embodiment, the structure of the connecting shaft is different from that of the other embodiments.

In the present disclosure, the driven member 172 is formed with a driving bevel gear, and the upper end of the connection shaft 163 is formed with a driven bevel gear, which cooperates with the driven bevel gear, thereby achieving stable power transmission between the driven member 172 and the connection shaft 163.

The driving member 171 is a driving sprocket, the driven member 172 includes a driven sprocket, and the driving member 173 is a chain, so that the rotation angle of the rotating part 120 can be precisely controlled by the chain driving. It will be appreciated by those skilled in the art that the sprocket may also be replaced by a timing pulley and, correspondingly, the chain may also be replaced by a drive belt, preferably a timing belt.

The transmission member 173 is provided with an adjusting block 174, and the adjusting block 174 is used for keeping the transmission member 173 in a tensioned state. In one embodiment, the adjusting block 174 is provided as a variable length member, and the transmission member 173 is formed in an open loop state, one end in the length direction thereof is connected to one end of the adjusting block 174, the other end in the length direction thereof is connected to the other end of the adjusting block 174, that is, the transmission member 173 is formed in a closed loop state together with the adjusting block 174, whereby the circumferences of the transmission member 173 and the adjusting block 174 can be changed by changing the length of the adjusting block 174, and the transmission member 173 is always maintained in a tensioned state.

In this disclosure, the second transmission structure may further include a guide wheel 175, where the guide wheel 175 is closely disposed with the transmission member 173 and is located outside the area enclosed by the transmission member 173, so that by means of the arrangement of the guide wheel 175, the trend of the transmission member 173 can be adjusted, and the position of the transmission member 173 is accurately defined.

In the present disclosure, the driving member 171 and the driven member 172 have parallel transmission axes, thereby enabling the driving member 171 and the driven member 172 to achieve a remote power transmission by the arrangement of the transmission member 173.

In one embodiment, the rotation range of the rotating portion 120 is ±120°, and the transmission ratio of the first operating portion 140 to the rotating portion 120 is 1:3, thereby, the large-angle rotation of the rotating part 120 can be realized by the small-angle rotation of the first operating part 140, and meanwhile, the first operating part 140 can be shifted without too large force because the first operating part 140 has a longer force arm, and the rotating part 120 can be rotated.

When the endoscope disclosed by the disclosure is used, as the medical staff can operate the first operation part 140 and/or the second operation part 150 by one hand, the rotation and the advance and retreat of the insertion part 130 of the endoscope can be simultaneously performed, so that the operation devices of the endoscope are relatively concentrated, and frequent switching and movement of the hands of the operator are reduced.

In particular, the first and second operating parts 140 and 150 of the present disclosure are disposed near the grip hand of the main body part, and the first and second operating parts 140 and 150 can be moved up and down by the thumb of the same hand; thus, the rotation of the insertion portion and the bending of the head portion can be operated, and the other hand is focused on the advancing and retreating operation of the insertion portion, so that the rotation and the advancing and retreating of the insertion portion can be simultaneously realized without frequently switching the operation hand.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "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 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" means at least two, for example, two, three, etc., unless specifically 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

1. An endoscope, comprising:

2. The endoscope according to claim 1, wherein the first operation portion is provided rotatably with respect to the main body portion.

3. The endoscope of claim 2, wherein the first operating portion has a first axis of rotation relative to the body portion and the rotating portion has a third axis of rotation relative to the body portion, the first axis of rotation being non-parallel to the third axis of rotation.

4. An endoscope as in claim 3 wherein the first axis of rotation is substantially perpendicular to the third axis of rotation.

5. An endoscope as in claim 3 wherein the body portion has a longitudinal direction and the third axis of rotation is substantially parallel to the longitudinal direction of the body portion.

6. An endoscope as in claim 3 wherein the second operating portion is rotatably disposed relative to the body portion.

7. The endoscope of claim 6, wherein the second operating portion has a second axis of rotation relative to the body portion, the first axis of rotation being substantially parallel to the second axis of rotation.

8. The endoscope of claim 1, wherein the transmission structure comprises:

a first gear that can be rotated when the first operation portion is operated;

9. The endoscope of claim 8, wherein one end of the transmission portion is formed with driven teeth that mesh with teeth of the first gear.

10. The endoscope according to any one of claims 1 to 9, wherein the other end of the transmission portion is formed as a driving spur gear, and one end of the connecting shaft is formed with a driven spur gear, the driving spur gear being meshed with the driven spur gear;

optionally, the transmission structure includes:

the driven piece is connected with the connecting shaft through bevel gear transmission, the connecting shaft is arranged to be rotatable relative to the main body part, and the rotating part is fixedly connected with the connecting shaft;

optionally, the driven piece is formed with a driving bevel gear, the upper end of the connecting shaft is formed with a driven bevel gear, and the driving bevel gear is matched with the driven bevel gear;

optionally, the driving member is a driving sprocket, the driven member comprises a driven sprocket, and the driving member is a chain; or the driving part is a driving belt wheel, the driven part is a driven belt wheel, and the driving part is a driving belt;

optionally, an adjusting block is arranged on the transmission piece, and the adjusting block is used for enabling the transmission piece to be kept in a tensioning state;

optionally, the rotation range of the rotating part is ±120°, and the transmission ratio of the first operation part to the rotating part is 1:3, a step of;

optionally, the first operation portion and the second operation portion are both disposed at one end of the main body portion.