CN218960671U - Reusable section of endoscope handle, endoscope handle and endoscope - Google Patents

Abstract

The utility model relates to the technical field of endoscopes, in particular to a reuse section of an endoscope handle, the endoscope handle and the endoscope, wherein the reuse section comprises a shell, a butt joint piece and a first electric connection piece, the butt joint piece is rotatably arranged on the far end wall of the shell and is provided with an avoidance hole which is penetrated along the axial direction of the butt joint piece, the first electric connection piece is arranged in the avoidance hole, and the first electric connection piece is in rotary fit with the butt joint piece; in the process of rotating and transmitting torque of the butt joint piece, the first electric connection piece cannot rotate along with the rotation of the butt joint piece, the first electric connection piece is in butt joint with the reusable section in a determined position and gesture, the butt joint convenience can be improved, the first electric connection piece is only used as a signal transmission part, the first electric connection piece does not need to be used as a force transmission part, poor contact or off-line conditions cannot occur with the wire harness of the first electric connection piece, accordingly stability of signal transmission is guaranteed, and signal discontinuity or signal disappearance conditions are avoided.

Description

Reusable section of endoscope handle, endoscope handle and endoscope

Technical Field

The utility model relates to the technical field of endoscopes, in particular to a reuse section of an endoscope handle, the endoscope handle and an endoscope.

Background

The endoscope is a medical diagnosis instrument, and generally comprises a handle and an insertion part, wherein the insertion part can extend into a human body, the imaging module packaged at the far end of the insertion part is used for observing internal tissues of the human body, a doctor can be helped to judge the pathological change position and the tissue structure characteristics of the pathological change position in the patient, the handle of the endoscope can be operated to adjust the posture of a bending section of the insertion part, so that the orientation of the imaging module is adjusted, and the functions of fixed point observation and the like are realized.

The applicant itself has proposed in patent CN114795068A an endoscope handle comprising a reusable section and a disposable section detachably connected, the disposable section being discarded after use, which can solve the problem of cross-infection and reduce the discarding cost of the endoscope. However, the applicant found that the signal of the endoscope handle is easy to be intermittent or vanished in the use process, so that the stability of the use of the endoscope is difficult to be ensured, and a certain potential safety hazard exists in the operation process.

Disclosure of Invention

The utility model discloses a reuse section of an endoscope handle, the endoscope handle and an endoscope, which are used for solving the technical problems of signal interruption or signal disappearance of the endoscope in the related technology.

In order to solve the problems, the utility model adopts the following technical scheme:

in a first aspect, the present application provides a reusable section of an endoscope handle comprising:

a housing;

the butt joint piece is rotatably arranged on the far end wall of the shell and is provided with an avoidance hole which is penetrated along the axial direction of the butt joint piece;

the first electric connection piece is arranged in the avoidance hole, and the first electric connection piece is in running fit with the butt joint piece.

Further, the avoidance hole forms a step hole at a distal end thereof, and the first electrical connection member is disposed in the step hole.

Further, the reusable section of the endoscope handle further comprises a rotational support member disposed on the distal end wall of the housing, and the docking member is rotatably engaged with the housing via the rotational support member.

Further, the proximal end of the abutting part is provided with a transmission part for driving the abutting part to rotate, the distal end of the abutting part is provided with an abutting part, the abutting part is positioned outside the shell, the abutting part is of a ring-shaped structure with a closed peripheral side, and the abutting part is provided with a plurality of tooth grooves distributed along the peripheral direction of the tooth grooves.

Further, the reusable section further comprises a driving mechanism connected with the transmission part to drive the butt joint part to rotate.

Further, the first electrical connection piece comprises a base and an electrical connection part arranged on the base, the outer contour of the base is circular, and the electrical connection part is an electrical joint or an electrical interface.

Further, the distal end wall of the base is recessed from the distal end wall of the abutment.

Further, the reusable section further comprises an axial limiter, a first groove extending along the circumference of the inner wall of the butt joint piece is formed in the inner wall of the butt joint piece, a second groove extending along the circumference of the outer wall of the base part is formed in the outer wall of the base part, the first groove corresponds to the second groove, and the axial limiter is located in the first groove and the second groove.

In a second aspect, the present application further provides an endoscope handle, including a disposable section and the aforementioned reusable section, a second electrical connector is disposed at a proximal end of the disposable section, and the disposable section is detachably connected to the reusable section, so that the first electrical connector is butted with the second electrical connector.

In a third aspect, the present application also provides an endoscope comprising an insertion portion and the endoscope handle described above.

The technical scheme adopted by the utility model can achieve the following beneficial effects:

the utility model discloses an endoscope handle's reuse section, endoscope handle and endoscope, the butt joint piece is provided with along its axial through dodge the hole, first electric connection spare is located dodge downthehole, first electric connection spare and butt joint spare normal running fit, at the in-process of butt joint spare rotation transmission moment of torsion, first electric connection spare can not rotate along with the rotation of butt joint spare, first electric connection spare dock with the position and the gesture of confirming with reuse section, can improve the convenience of butt joint, and first electric connection spare only regard as the transmission part of signal, and need not as force transmission part, the pencil that is connected with first electric connection spare can not take place the bad or condition of taking off the line, first electric connection spare and pencil connection's stability has been ensured, and then signal transmission's stability has been ensured, avoid appearing the condition that signal is intermittent or signal disappears.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a reusable segment of an embodiment of the present application;

FIG. 2 is one of the structural schematic diagrams of the docking piece of the embodiment of the present application;

FIG. 3 is a second schematic view of the docking member according to the embodiment of the present application;

FIG. 4 is a schematic diagram illustrating a connection between a docking member and a first electrical connection member according to an embodiment of the present disclosure;

FIG. 5 is an enlarged partial schematic view at A in FIG. 4;

FIG. 6 is a second schematic connection diagram of the docking member and the first electrical connection member according to the embodiment of the present application;

FIG. 7 is a third schematic connection diagram of the docking member and the first electrical connection member according to the embodiment of the present disclosure;

FIG. 8 is a schematic view of the structure of an endoscope handle according to an embodiment of the present application;

in the figure:

100-a housing; 200-butt joint parts, 210-transmission parts, 220-butt joint parts, 221-tooth grooves and 222-first grooves; 300-first electrical connection, 310-base, 311-second slot, 320-electrical connection; 400-rotating the support; 500-driving mechanism, 510-deflector rod, 520-driving wheel; 600-axial limiting piece; 700-disposable segment, 710-second electrical connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the utility model, the 'near end' and the 'far end' are far and near positions of the structure relative to human body operation under the use environment, so that the description of the position relationship among the components is convenient, and meanwhile, the understanding is convenient; the "proximal" and "distal" are relative positional relationships, not absolute.

The reuse section of the endoscope handle, the endoscope handle and the endoscope provided in the embodiments of the present application will be described in detail below with reference to fig. 1 to 8 by means of specific embodiments and application scenarios thereof.

Referring to fig. 1, an embodiment of the present application discloses a reusable section of an endoscope handle, the reusable section including a housing 100, a docking member 200, and a first electrical connector 300.

Wherein the housing 100 is a base member of the reuse section, and is capable of providing a mounting base for the docking member 200 and the first electrical connector 300. In this embodiment, the docking member 200 may be a transmission shaft, the docking member 200 is rotatably disposed on a distal end wall of the housing 100, and a rotation axis of the docking member 200 coincides with an axis of the housing 100.

The housing 100 is provided with a driving mechanism 500 for driving the docking member 200 to rotate, specifically, a transmission part 210 located in the housing 100 is provided at a proximal end of the docking member 200, the driving mechanism 500 includes a driving lever 510 and a driving wheel 520 driven by the driving lever 510 to rotate, and the driving wheel 520 is in transmission fit with the transmission part 210 to transmit torque so as to drive the docking member 200 to rotate.

The docking part 220 is disposed at the distal end of the docking member 200, the docking part 220 is exposed out of the housing 100, the docking part 220 is used for docking with the driven mechanism of the disposable section to transmit torque, the traction rope connected with the bending section of the endoscope is connected with the driven mechanism, and under the condition that the reusable section is connected with the disposable section, the driving wheel 520 is driven to rotate by operating the driving lever 510, so that the traction rope pulls the bending section of the endoscope to perform bending action.

In an alternative embodiment, with continued reference to fig. 1, the drive wheel 520 may be a first bevel gear and the transmission 210 may be a second bevel gear, the two gears being intermeshed; the butt joint piece 200 is rotated by adopting a bevel gear transmission fit mode, the bending direction of the bending section can be changed by changing the rotation direction of the butt joint piece 200, the bending of the bending section of the endoscope can be controlled by only one force transmission component, an operator only needs to butt joint the butt joint piece and the driven mechanism of the disposable section, and the operation difficulty of butt joint of the reusable section and the disposable section is reduced.

The inventor found in the research process that, in an endoscope handle proposed in patent CN114795068A, the butt joint part is used as a signal transmission part and a force transmission part, and the butt joint part is required to move along a linear path, in this case, because the butt joint part is required to move, poor contact and even disconnection of a wire harness connected with the butt joint part are very easy to occur, and the phenomenon of signal interruption or signal disappearance exists in an external display device.

In this embodiment, please refer to fig. 2 to 6, the docking member 200 is provided with a through hole 230 penetrating along an axial direction thereof, the first electrical connection member 300 is disposed in the through hole 230, and the docking member 200 and the first electrical connection member 300 are in running fit, and a wire harness 330 connected to the first electrical connection member 300 can be led out from a proximal end of the docking member 200 through the through hole 230, so that the housing 100 is led out to be electrically connected with an external display device.

Specifically, in the axial direction of the docking member 200, the opening of the avoidance hole 230 is circular, the first electrical connection member 300 includes a base 310 and an electrical connection portion 320 disposed on the base 310, and the outer contour of the base 310 is circular, so that the electrical connection portion 320 can be an electrical connector or an electrical interface and can rotate in the avoidance hole 230.

It should be understood that the first electrical connector 300 is preferably disposed in the docking portion 220, and can achieve both mechanical connection and electrical connection of the reusable and disposable sections when the docking portion 220 is docked with the disposable section.

In the embodiment of the present application, the docking portion 220 has a ring-shaped structure with a closed peripheral side, the docking portion 220 is provided with a plurality of tooth grooves 221 distributed along the peripheral direction thereof, and the tooth grooves 221 may be disposed on the inner side of the docking portion 220 or may be disposed on the outer side of the docking portion 220, which is not particularly limited herein; when the reusable section is docked with the disposable section 700, the proximal end of the disposable section 700 is provided with a plurality of insections corresponding to the tooth grooves 221, and after the reusable section and the disposable section are docked, the insections are in plug-in fit with the tooth grooves 221 to transmit torque.

According to the reusable part disclosed by the embodiment of the application, the first electrical connection piece 300 is arranged in the avoidance hole 230, the first electrical connection piece 300 is in running fit with the butt joint piece 200, when the butt joint piece 200 is in butt joint with the disposable part to transmit torque, the first electrical connection piece 300 cannot rotate along with the rotation of the butt joint piece 200, so that poor contact or breakage between the first electrical connection piece 300 and the wire harness 330 can be avoided, the connection stability of the first electrical connection piece 300 and the wire harness 330 is ensured, the stability of signal transmission is further ensured, and the situation that signal is intermittent or signal disappears is avoided.

In this embodiment, please continue to refer to fig. 2, the avoidance hole 230 forms a step hole 231 at the docking portion 220 at the distal end thereof, the first electrical connector 300 is disposed in the step hole 231, and the step surface of the step hole 231 can play a limiting role on the first electrical connector 300, so that the first electrical connector 300 is prevented from excessively extending into the avoidance hole 230, which results in failure to perform normal electrical connection when docking with the disposable section.

In a further embodiment, an axial limiting structure is provided between the docking member 200 and the first electrical connector 300. In an alternative embodiment, the axial limiting structure includes an axial limiting member 600, the inner wall of the docking member 200 is provided with a first groove 222 extending along the circumferential direction thereof, the outer wall of the first electrical connection member 300 is provided with a second groove 311 extending along the circumferential direction thereof, when the first electrical connection member 300 is assembled in the avoidance hole 230, the first groove 222 is opposite to the second groove 311, and the first groove and the second groove form an annular accommodating cavity, and the axial limiting member 600 is located in the accommodating cavity. The axial limiting member 600 can limit the first electrical connection member 300, so as to prevent the first electrical connection member 300 from being displaced in the axial direction of the housing 100 relative to the docking member 200, and further prevent the first electrical connection member 300 from being excessively extended due to axially inward movement, and prevent the first electrical connection member 300 from being axially moved outwards to separate from the avoidance hole 230, so that the first electrical connection member 300 can be normally docked with the disposable section.

In an alternative embodiment, referring to fig. 4 and 5, the axial limiting member 600 may be a plurality of balls rolling fit in the accommodating cavity, and the balls can greatly reduce the friction coefficient between the docking member 200 and the first electrical connection member 300, so as to avoid the first electrical connection member 300 from following the docking member 200; in another alternative embodiment, referring to fig. 6, the axial limiter 600 may also be an annular member received in the receiving chamber. It should be understood that the embodiment of the present application is not limited to the specific form of the axial limiting structure, as long as the rotation of the docking member 200 relative to the first electrical connector 300 can be achieved, and there is no relative displacement therebetween in the axial direction.

In this embodiment of the present application, the reusable segment may further include a rotation support member 400, where the rotation support member 400 is disposed on a distal end wall of the housing 100, and the rotation support member 400 may be a bearing or a rotation sleeve, and the rotation support member 400 may reduce a friction coefficient between the docking member 200 and the housing 100, and improve smoothness of rotation of the docking member 200.

Referring to fig. 8, an embodiment of an endoscope handle is provided, which includes a disposable section 700 and the aforementioned reusable section, wherein the proximal end of the disposable section 700 is provided with a second electrical connector 710, and the disposable section 700 is detachably connected to the reusable section, so that the first electrical connector 300 is abutted with the second electrical connector 710.

One of the first electrical connector 300 and the second electrical connector 710 may be an electrical connector, and the other may be an electrical interface, and the two may be plugged and matched to achieve electrical connection. In an alternative embodiment, referring to fig. 8, the electrical connection portion 320 of the first electrical connection member 300 is an electrical interface, and the second electrical connection member 710 is an electrical connector.

In a further technical solution, referring to fig. 7, the distal end wall of the base portion 310 of the first electrical connector 300 is recessed in the distal end wall of the docking member 200, so that when the first electrical connector 300 is docked with the second electrical connector 710, the recessed space formed between the base portion 310 and the docking member 200 can play a pre-limiting role on the second electrical connector 710, so that the second electrical connector 710 is not easy to generate radial play during docking, and the docking convenience of the two is improved.

The embodiment of the application also provides an endoscope, which comprises an insertion part and the endoscope handle, wherein the proximal end of the insertion part is connected with the endoscope handle.

The endoscope in the embodiment of the application may be a bronchoscope, a pyeloscope, a esophagoscope, a gastroscope, a enteroscope, an otoscope, a nasoscope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, and the like, and the type of the endoscope is not particularly limited in the embodiment of the application.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model.

Claims (10)

1. A reusable section of an endoscope handle, comprising:

a housing (100);

the butt joint piece (200) is rotatably arranged on the distal end wall of the shell (100), and the butt joint piece (200) is provided with a through hole (230) which penetrates along the axial direction of the butt joint piece;

the first electric connection piece (300), the first electric connection piece (300) is located dodge in the hole (230), just first electric connection piece (300) with rotate between the interfacing part (200).

2. The reusable portion of an endoscope handle according to claim 1, wherein said relief hole (230) forms a stepped hole (231) at a distal end thereof, said first electrical connector (300) being disposed within said stepped hole (231).

3. The reusable section of an endoscope handle according to claim 1, further comprising a rotational support (400), said rotational support (400) being provided at a distal end wall of said housing (100), said docking member (200) being rotationally fitted to said housing (100) by means of said rotational support (400).

4. The endoscope handle reuse section according to claim 1, characterized in that a proximal end of the docking member (200) is provided with a transmission portion (210) for driving the docking member (200) to rotate, a distal end of the docking member (200) is provided with a docking portion (220), the docking portion (220) is located outside the housing (100), the docking portion (220) is in a ring-shaped structure with a closed peripheral side, and the docking portion (220) is provided with a plurality of tooth grooves (221) distributed along a peripheral direction thereof.

5. The reusable section of an endoscope handle according to claim 4, further comprising a drive mechanism (500), said drive mechanism (500) being coupled to said transmission (210) to drive rotation of said docking member (200).

6. The reusable part of an endoscope handle according to any of claims 1-5, wherein the first electrical connector (300) comprises a base portion (310) and an electrical connection portion (320) provided on the base portion (310), the outer contour of the base portion (310) is circular, and the electrical connection portion (320) is an electrical connector or an electrical interface.

7. The reusable section of an endoscope handle according to claim 6, characterized in that the distal end wall of the base portion (310) is recessed from the distal end wall of the docking member (200).

8. The reusable section of an endoscope handle according to claim 7, further comprising an axial stop (600), the inner wall of the abutment (200) being provided with a first groove (222) extending circumferentially therealong, the outer wall of the base (310) being provided with a second groove (311) extending circumferentially therealong, the first groove (222) corresponding to the second groove (311), the axial stop (600) being located within the first groove (222) and the second groove (311).

9. An endoscope handle, characterized by comprising a disposable section (700) and a reusable section according to any of claims 1-8, wherein a second electrical connector (710) is provided at the proximal end of the disposable section (700), and the disposable section (700) is detachably connected to the reusable section, such that the first electrical connector (300) interfaces with the second electrical connector (710).

10. An endoscope comprising an insertion portion and the endoscope handle of claim 9, wherein the proximal end of the insertion portion is coupled to the endoscope handle.

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