CN219183647U

CN219183647U - Driving assembly of endoscope, disposable section, handle and endoscope

Info

Publication number: CN219183647U
Application number: CN202320112036.3U
Authority: CN
Inventors: 周震华
Original assignee: Hunan Vathin Medical Instrument Co Ltd
Current assignee: Hunan Vathin Medical Instrument Co Ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-06-16
Anticipated expiration: 2033-01-16

Abstract

The utility model relates to a driving assembly of an endoscope, a disposable section, a handle and the endoscope, which comprises a rotary table, a first sliding part and a second sliding part, wherein a wire groove is formed in the peripheral wall of the rotary table, a traction rope is arranged in the wire groove in a penetrating mode, the first sliding part is provided with a linear sliding stroke along a first direction, the connecting end of the first sliding part is hinged with the rotary table, the free end of the first sliding part is used for butting the reusable section, the first sliding part is in sliding connection with the second sliding part, the second sliding part is provided with a linear sliding stroke along a second direction, and the second sliding part is used for converting the linear sliding motion of the first sliding part along the second direction into the rotating motion of the rotary table. The utility model uses the free end of the first sliding piece to butt joint the reusable section, receives the driving force applied by a manipulator on the reusable section, and simultaneously effectively increases the bending control stroke of the traction rope and the bending angle range of the active bending part of the insertion part through the matching of the first sliding piece, the second sliding piece and the turntable.

Description

Driving assembly of endoscope, disposable section, handle and endoscope

Technical Field

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

Background

The endoscope is increasingly applied to modern minimally invasive surgery, an operator can stretch an insertion part with at least illumination and shooting functions into a natural channel or an operation area opening of a human body to detect the environment of the body cavity of the human body, and an active bending part positioned at the front end of the insertion part of the endoscope is subjected to bending angle adjustment by operating a handle positioned outside the human body, so that the insertion part deflects in a preset direction, and people are helped to acquire the observation of a larger visual angle range.

In order to reduce the use cost of the endoscope, the prior art designs the handle of the endoscope into a disposable part and a reusable part, such as a disposable part of the handle of the endoscope, the handle of the endoscope and the endoscope disclosed in Chinese patent publication No. CN114947702A, however, in the process of realizing the utility model, the applicant finds that the endoscope with the disposable structural design is limited by the structure of the endoscope, and the bending operation stroke of the endoscope is short, so that the use is inconvenient.

Disclosure of Invention

The object of the present application is to provide a driving assembly of an endoscope, a disposable section, a handle and an endoscope, which solve the above technical problems existing in the prior art, and mainly include the following four aspects:

the first aspect of the application provides a drive assembly of endoscope for drive haulage rope, including carousel, first slider and second slider, be provided with the wire casing on the perisporium of carousel, the haulage rope wears to locate in the wire casing, first slider has the straight line slip stroke along first direction, the link and the carousel of first slider are articulated, and the free end of first slider is used for docking repeatedly usable section, sliding connection between first slider and the second slider, and the second slider has the straight line slip stroke along the second direction, and the second slider is used for turning into the rotation action of carousel with the straight line slip action of first slider along first direction.

Further, a limiting part is arranged on the second sliding part and used for limiting the second sliding part to slide linearly along the second direction.

Further, the limiting part is a groove or a bulge.

Further, the hinge point of the connecting end and the turntable is arranged close to the peripheral wall of the turntable.

Further, the connecting end of the first sliding piece is provided with a connecting part, and the connecting end of the first sliding piece is hinged with the turntable through the connecting part.

Further, the connecting part is arranged in the wire slot or the connecting part is arranged at the outer side of the turntable.

Further, when the connecting portion is arranged in the wire slot, the traction rope is connected with the connecting portion.

A second aspect of the present application provides a disposable section of an endoscope comprising a housing and the drive assembly described above, the turntable being disposed within the housing, a proximal end of the housing being provided with a sliding channel for engagement with a second sliding member, and a distal end of the housing being provided with an insertion portion.

A third aspect of the present application provides a handle for an endoscope comprising a reusable section and a disposable section as described above, the reusable section being detachably connectable to the disposable section.

In a fourth aspect the present application provides an endoscope comprising a disposable section as described above, or a handle as described above.

Compared with the prior art, the utility model has at least the following technical effects:

according to the utility model, the free end of the first sliding part is utilized to butt joint the reusable section, the driving force applied by an operator on the reusable section is received, and meanwhile, the ratio of the sliding travel of the second sliding part which can be used as the sliding part to the moving travel of the traction rope is smaller than 1 through the cooperation of the first sliding part, the second sliding part and the turntable, so that the bending control travel of the traction rope and the bending angle range of the active bending part of the insertion part are effectively increased, the viewing angle range of an operator is increased, and the use convenience of the disposable structural design endoscope is improved.

Drawings

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

FIG. 1 is a schematic view of the drive assembly of the present utility model;

FIG. 2 is a front view of the drive assembly of the present utility model;

FIG. 3 is a side view of the drive assembly of the present utility model;

FIG. 4 is a schematic view of the structure of a second slider of the present utility model;

FIG. 5 is a schematic view of the disposable segment of the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view of the connection structure of the drive assembly and the housing of the present utility model;

fig. 8 is a front view of fig. 7;

in the drawing the view of the figure,

110. a first slider; 111. a connection part; 120. a second slider; 121. a limit part; 122. a through hole; 130. a turntable; 140. a wire slot; 20. a traction rope; 30. a housing; 310. a sliding groove; 40. an insertion portion.

Detailed Description

The following description provides many different embodiments, or examples, for implementing different features of the utility model. The elements and arrangements described in the following specific examples are presented for purposes of brevity and are provided only as examples and are not intended to limit the utility model.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

In addition, 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; for the same component, "proximal" and "distal" are relative positional relationships of the component, not absolute; accordingly, it should be understood from the perspective of implementing the principles of the present utility model without departing from the spirit of the utility model.

Example 1:

the embodiment of the application provides a drive assembly of endoscope for drive haulage rope 20, as shown in fig. 1-4, including carousel 130, first slider 110 and second slider 120, be provided with wire casing 140 on carousel 130's the perisporium, haulage rope 20 wears to locate in wire casing 140, first slider 110 has sharp sliding motion along first direction, the link and the carousel 130 of first slider 110 are articulated, and the free end of first slider 110 is used for docking repeatedly usable section, sliding connection between first slider 110 and the second slider 120, and second slider 120 has sharp sliding motion along the second direction, and second slider 120 is used for turning into the rotation action of carousel 130 with the sharp sliding motion of first slider 110 along first direction.

For an endoscope with a disposable structure design, the disposable section of an endoscope handle, the endoscope handle and the endoscope disclosed in the Chinese patent publication No. CN114947702A are limited by the structure, the sliding travel of a driving sliding part is the bending control travel of the haulage rope 20, the corresponding relation is 1:1, namely, the sliding part moves by 5mm, and the haulage rope 20 synchronously moves by 5mm, so that the bending control travel of the haulage rope 20 is limited by the sliding travel of the sliding part, the bending control travel of the haulage rope 20 is positively correlated with the bending angle of the active bending part of the inserting part 40, the bending angle range of the active bending part of the inserting part 40 is small, the viewing angle range of an operator is reduced, and the inconvenience is caused; in this embodiment, the free end of the first sliding member 110 is utilized to abut against the reusable section, and the driving force applied by the operator in the reusable section is received, so that the first sliding member 110 moves along the second direction, and the connecting end of the first sliding member 110 is rotationally connected with the turntable 130, and the second sliding member 120 is used as a sliding portion, when the first sliding member 110 is subjected to the driving force applied by the operator, the first sliding member 110 drives the second sliding member 120 to slide along the second direction, and meanwhile, the first sliding member is subjected to the hinging effect of the connecting end and the turntable 130, so as to synchronously drive the turntable 130 and the traction rope 20 on the turntable 130 to rotate.

Specifically, the proximal end of the first slider 110 is a free end, and the distal end of the first slider 110 is a connection end.

Specifically, in order to ensure that the first sliding member 110 always corresponds to the wire slot 140 in the bending operation and control process, the limiting portion 121 may be disposed on the second sliding member 120, and the limiting portion 121 is matched with the sliding slot 310 on the housing 30 to restrict the second sliding member 120 and the first sliding member 110 to slide linearly along the second direction at the same time, and the straight line in the second direction always corresponds to the wire slot 140, so that the first sliding member 110 always corresponds to the wire slot 140, and the stability and safety of the device in use are improved.

Specifically, the limiting portion 121 is a groove or a protrusion, when the limiting portion 121 is a groove, the inner wall of the sliding groove 310 is correspondingly provided with a protrusion matched with the groove, and when the limiting portion 121 is a protrusion, the inner wall of the sliding groove 310 is correspondingly provided with a groove matched with the protrusion.

Specifically, the hinge point of the connection end and the turntable 130 is disposed near the peripheral wall of the turntable 130. The closer the hinge point is to the peripheral wall of the turntable 130, the greater the gain in bending manipulation stroke of the traction rope 20 accordingly.

Specifically, to facilitate assembly and reduce resistance during transmission, a connection portion 111 may be provided at the connection end of the first slider 110, so that the connection end of the first slider 110 is hinged to the turntable 130 through the connection portion 111.

Specifically, the second slider 120 is provided with a through hole 122, and the first slider 110 is inserted into the through hole 122.

Specifically, the connection portion 111 is disposed in the slot 140, which can reduce the occupation of the connection portion 111 on the space outside the turntable 130, reduce the installation space required by the driving assembly, and improve the space utilization.

In some embodiments, the connecting portion 111 may also be disposed on the outer side of the turntable 130, so as to reduce the space occupation of the wire slot 140, and allow the traction rope 20 to be correspondingly designed with a larger radius in the wire slot 140, and improve the installation convenience.

Specifically, when the connecting portion 111 is disposed in the wire slot 140, the traction rope 20 is connected with the connecting portion 111, so as to further ensure that the linear sliding travel of the first sliding member 110 along the second direction is converted into the moving travel of the traction rope 20, and improve the stability and convenience of equipment operation.

Example 2:

the embodiment of the present application provides a disposable section of an endoscope, as shown in fig. 5 to 8, comprising a housing 30 and the driving assembly of embodiment 1, wherein the turntable 130 is disposed in the housing 30, a sliding groove 310 matching with the second sliding member 120 is disposed at a proximal end of the housing 30, and an insertion portion 40 is disposed at a distal end of the housing 30.

The sliding groove 310 is matched with the second sliding piece 120, so that the second sliding piece 120 is limited to slide reciprocally along the second direction, the first sliding piece 110 is influenced by the connection relation with the second sliding piece 120, the first sliding piece 110 can slide reciprocally along the second direction along with the second sliding piece 120, and the first sliding piece 110 is matched with the first sliding piece 110 to slide reciprocally along the first direction, so that the driving force received by the first sliding piece 110 can be converted into the power for rotating the turntable 130, the rotation adjustment of the traction rope 20 on the turntable 130 is realized, and the bending operation adjustment of the traction rope 20 on the insertion part 40 is completed; at the same time, the bending operation stroke of the traction rope 20 and the bending angle range of the active bending part of the insertion part 40 can be increased, the viewing angle range of an operator is increased, and the use convenience of the disposable structural design endoscope is improved.

Example 3:

embodiments of the present application provide a handle for an endoscope comprising a reusable section and the disposable section of embodiment 2, the reusable section being removably attachable to the disposable section.

When the free end of the first sliding member 110 is used as the male connector, the reusable section is provided with a female connector matched with the male connector; when the free end of the first sliding member 110 is used as the female connector, the reusable section is provided with a male connector matched with the female connector; to further ensure the connection stability between the reusable and disposable segments, the reusable and disposable segments may be joggled and/or mounted by bolts.

Example 4:

embodiments of the present application provide an endoscope comprising the disposable section of embodiment 2, or the handle of embodiment 3.

It should be noted that, the endoscope in the embodiment of the present application may be a bronchoscope, a pyeloscope, an esophagoscope, a gastroscope, a enteroscope, an otoscope, a nasal scope, a stomatoscope, a laryngoscope, a colposcope, a laparoscope, an arthroscope, etc., and the embodiment of the present application does not specifically limit the type of the endoscope.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a drive assembly of endoscope for drive haulage rope (20), its characterized in that includes carousel (130), first slider (110) and second slider (120), be provided with wire casing (140) on the perisporium of carousel (130), haulage rope (20) wear to locate in wire casing (140), first slider (110) have sharp sliding motion along first direction, the link and the carousel (130) of first slider (110) articulate, and the free end of first slider (110) is used for docking reusable section, sliding connection between first slider (110) and second slider (120), and second slider (120) have sharp sliding motion along the second direction, and second slider (120) are used for turning into the rotation action of carousel (130) with the sharp sliding motion of first slider (110) along the first direction.

2. The drive assembly according to claim 1, wherein the second slider (120) is provided with a limiting portion (121), and the limiting portion (121) is configured to restrict the second slider (120) from sliding linearly in the second direction.

3. A drive assembly according to claim 2, wherein the limit stop (121) is a recess or a projection.

4. A drive assembly according to any one of claims 1-3, wherein the hinge point of the connection end and the turntable (130) is arranged close to the peripheral wall of the turntable (130).

5. The drive assembly according to claim 4, wherein the connection end of the first slider (110) is provided with a connection portion (111), and the connection end of the first slider (110) is hinged to the turntable (130) via the connection portion (111).

6. A drive assembly according to claim 5, wherein the connection (111) is provided in a wire slot (140) or the connection (111) is provided outside the turntable (130).

7. The drive assembly according to claim 6, wherein the traction rope (20) is connected to the connection portion (111) when the connection portion (111) is provided in the wire groove (140).

8. A disposable section of an endoscope, characterized by comprising a housing (30) and the drive assembly according to any one of claims 1-7, the turntable (130) being arranged in the housing (30), the proximal end of the housing (30) being provided with a sliding groove (310) cooperating with the second sliding member (120), the distal end of the housing (30) being provided with an insertion portion (40).

9. A handle for an endoscope comprising a reusable section and the disposable section of claim 8, the reusable section being removably attachable to the disposable section.

10. An endoscope comprising the disposable section of claim 8 or the handle of claim 9.