CN219021085U

CN219021085U - Endoscope sheath

Info

Publication number: CN219021085U
Application number: CN202222815338.5U
Authority: CN
Inventors: 戴笛
Original assignee: Hunan Vathin Medical Instrument Co Ltd
Current assignee: Hunan Vathin Medical Instrument Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-16
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of endoscopes, in particular to an endoscope sheath, which comprises a handle and a sleeve, wherein the handle is provided with a first cavity which is communicated with the handle along the axial direction of the handle, the proximal end of the sleeve is connected with the handle, the sleeve is communicated with the first cavity, the distal end of the sleeve is closed, the handle is provided with a protruding part protruding outwards in the radial direction, and the protruding part is provided with a liquid injection port communicated with the first cavity; in the scheme, the insertion part of the endoscope can extend into the sleeve, the operation part of the endoscope can be kept in the first cavity of the handle, and the radially-outward-protruding liquid injection port can be used for injecting disinfectant under the condition of inserting the endoscope, so that the endoscope can be conveniently disinfected, and in the using process of the endoscope, the operation part of the endoscope can also be used as a placement point of the endoscope, so that the using safety of the endoscope is ensured.

Description

Endoscope sheath

Technical Field

The utility model relates to the technical field of endoscopes, in particular to an endoscope sheath.

Background

The endoscope is a medical instrument which stretches the insertion part into the human body, and observes the internal tissues of the human body through the camera module at the distal end of the insertion part, so that doctors can be helped to judge the pathological change position and the tissue structure characteristics of the pathological change position in the patient.

The endoscope is used as a conventional inspection tool and an interventional operation tool, can directly reach focus, so that inspection is more accurate and operation is more convenient, but in the use process of the endoscope, disinfection and sterilization treatment are difficult to ensure, and cross infection is easy to occur.

Disclosure of Invention

In view of the above, it is desirable to provide an endoscope sheath in accordance with the above-described technical problems.

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

the embodiment of the application provides an endoscope sheath, disclosed endoscope sheath includes handle and sleeve pipe, the handle is provided with and follows its axial first chamber way that link up, the telescopic proximal end is connected the handle, just the sleeve pipe with first chamber way is linked together, telescopic distal end is sealed, the handle is provided with the radially protruding portion, the protruding portion be provided with the notes liquid mouth that first chamber says and is linked together.

Further, the handle comprises a tubular handle base body and a hanging part connected with the tubular handle base body, and the hanging part is bent relative to the tubular handle base body so as to form a hanging groove with the tubular handle base body.

Further, the proximal end portion of the tubular handle base is provided with an opening corresponding to the liquid filling port.

Further, the hooking portion is connected to a proximal end portion of the tubular handle base.

Further, the inner wall of the tubular handle matrix is provided with a limiting protrusion, the limiting protrusion extends along the circumferential direction of the tubular handle matrix, and a circulation gap is formed between the outer wall of the endoscope and the inner wall of the tubular handle matrix under the condition that the endoscope is loaded on the limiting protrusion.

Further, the limit protrusions are arranged at two ends of the cylindrical handle base body in the radial direction in pairs.

Further, the opening of the first lumen is tapered in a first direction that is the direction of extension of the handle from the proximal end to the distal end.

Further, the first channel is reduced in a stepwise manner in the first direction, and the first channel comprises at least two channel units distributed along the first direction, and arc-shaped transition is formed between two adjacent channel units.

Further, the endoscope sheath further comprises a plug connected to the distal end of the sleeve to close the distal end of the sleeve.

Further, the handle, the sleeve and the plug are integrally formed, or the proximal end of the sleeve is clamped, screwed or glued with the handle, and the distal end of the sleeve is clamped, screwed or glued with the plug.

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

the endoscope sheath disclosed by the first embodiment of the application, the insertion part of the endoscope can be extended into the sleeve, the operation part of the endoscope can be kept in the first cavity of the handle, the liquid injection port protruding outwards in the radial direction can be used for injecting disinfectant under the condition of inserting the endoscope, the endoscope can be conveniently disinfected, in addition, in the using process of the endoscope, the endoscope sheath can also be used as a placement point of the endoscope, and the using safety of the endoscope is ensured.

The proximal end of the second cylindrical handle matrix is provided with an opening communicated with the liquid injection port, so that a larger operation space is provided for injecting the disinfectant through the liquid injection port, and the disinfectant is convenient to inject; at the same time, the opening enables the proximal end part of the tubular handle matrix to have certain elasticity, when the size of the endoscope operation part is slightly larger than that of the first cavity, the endoscope operation part can be placed in the first cavity and clamped by the elasticity of the proximal end part of the tubular handle matrix, so that the universality of the endoscope sheath is strong;

and the limiting protrusions in the cylindrical handle base body are used for bearing the endoscope operation part, so that a circulation gap is formed between the outer wall of the endoscope operation part and the inner wall of the cylindrical handle base body, and the situation that disinfectant cannot be injected into the sleeve due to complete lamination of the endoscope operation part and the handle is avoided.

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 an endoscope sheath according to an embodiment of the present application;

FIG. 2 is one of the schematic structural views of the handle of the embodiments of the present application;

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

FIG. 4 is a schematic structural view of a plug according to an embodiment of the present application;

fig. 5 is a schematic view of the use of an endoscope sheath according to an embodiment of the present application.

In the figure:

100-handle, 110-tubular handle base, 111-first cavity, 112-limit protrusion, 113-opening, 120-hanging part, 130-protruding part and 131-liquid injection port; 200-sleeve; 300-plugs, 310-butt joint cavities and 320-spherical structures.

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 endoscope sheath provided in the embodiments of the present application will be described in detail below with reference to fig. 1 to 5 by way of specific embodiments and application scenarios thereof.

Referring to fig. 1 to 5, an embodiment of the present application discloses an endoscope sheath, which includes a handle 100 and a sleeve 200, wherein the handle 100 is provided with a first channel 111 penetrating along an axial direction thereof, the sleeve 200 is provided with a second channel penetrating along an axial direction thereof, and the first channel 111 is communicated with the second channel and forms a containing cavity, and the containing cavity is used for containing an endoscope.

In this embodiment, the handle 100 is provided with a radially protruding protrusion 130, and the protrusion 130 is provided with a liquid injection port 131 that is communicated with the first cavity 111, and an operator can inject the disinfectant into the accommodating cavity through the liquid injection port 131.

Generally speaking, the handle 100 is used for accommodating an operation portion of an endoscope, the sleeve 200 is used for accommodating an insertion portion of the endoscope, the endoscope sheath disclosed in the embodiment of the present application can extend the insertion portion of the endoscope into the sleeve 200, the operation portion of the endoscope can be kept in the first cavity 111 of the handle 100, and the radially-outward protruding liquid injection port 131 can be used for injecting disinfectant under the condition of inserting the endoscope.

Meanwhile, the inventor finds that when the same patient is subjected to endoscopic surgery, along with the progress of the surgery, the endoscope needs to extend into the patient for multiple times, and the endoscope sheath disclosed by the embodiment of the application can be used as a placement point of the endoscope, and can be placed into the endoscope sheath in a gap time period of using the endoscope, so that the use safety of the endoscope in the whole surgery process is ensured.

In this embodiment, referring to fig. 2, 3 and 5, the handle 100 includes a tubular handle base 110 and a hanging portion 120 connected to the tubular handle base 110, the first cavity 111 is opened on the tubular handle base 110, and after the endoscope is placed, at least part of an operation portion of the endoscope is located in the handle 100; the hooking portion 120 is bent with respect to the tubular handle base 110 to form a hooking groove 140 with the tubular handle base 110, and the endoscope sheath may be hooked on the suspension rod through the hooking groove 140.

Referring to fig. 5, the hooking portion 120 is connected to the proximal end of the tubular handle base 110, so that when the hooking portion 120 is hooked to the hanger bar, the tubular handle base 110 can better abut against the hanger bar, so as to avoid the endoscope sheath into which the endoscope is inserted from tilting.

In a further technical solution, the proximal end of the tubular handle base 110 is provided with an opening 113 corresponding to the liquid injection port 131, on one hand, the opening 113 provides a larger operation space for the liquid injection port 131, so that the disinfectant is conveniently injected, on the other hand, the opening 113 enables the proximal end of the tubular handle base 110 to have a certain elasticity, and not only can an operation part with a radial dimension smaller than the opening dimension of the first cavity channel 111 be placed, but also the operation part can be placed in the first cavity channel 111 when the radial dimension of the operation part is slightly larger than the opening dimension of the first cavity channel 111, and is clamped by the elasticity of the proximal end of the tubular handle base 110, so that the endoscope sheath has universality and the practicability of the endoscope sheath is enhanced.

Based on the foregoing, the endoscope sheath disclosed in the embodiments of the present application can be injected with the disinfectant through the injection port 131 after the endoscope is inserted, so after the operation part is inserted into the handle 100, a flow gap through which the disinfectant flows needs to be formed between the distal end portion of the handle 100 located at the injection port 131 and the operation part; therefore, in this embodiment, the inner wall of the tubular handle base 110 is provided with the limiting protrusion 112, the limiting protrusion 112 and the liquid injection port 131 are disposed in a staggered manner in the circumferential direction of the tubular handle base 110, and when the operation portion of the endoscope is carried by the limiting protrusion 112, the outer wall of the operation portion of the endoscope and the inner wall of the tubular handle base 110 form the aforementioned circulation gap, and the disinfectant injected through the liquid injection port 131 flows into the sleeve 200 through the circulation gap.

Referring to fig. 2 to 3, the limiting protrusions 112 are disposed in pairs at two ends of the tubular handle base 110 in the radial direction, and in the case that the operating portion is carried by the limiting protrusions 112, the pair of limiting protrusions 112 can stably support the operating portion, so as to avoid the operating portion of the endoscope from tilting in the tubular handle base 110.

In a further technical scheme, the limiting protrusion 112 extends along the circumferential direction of the cylindrical handle base 110, and the extending limiting protrusion 112 can increase the contact area with the operation part of the endoscope, so that the operation part is not easy to shake, and the support of the endoscope is more stable.

In the present embodiment, the limiting protrusion 112 is provided to extend in the circumferential direction of the tubular handle base 110, but is not annular, so as to avoid blocking the flow gap; in a further technical scheme, in the case that the two limiting protrusions 112 are symmetrically arranged, the central angle corresponding to the limiting protrusions 112 is preferably 20-60 degrees, so that on one hand, stable support can be formed for the endoscope operation part, and on the other hand, a larger circulation gap can be ensured.

In this embodiment of the present application, the size of the opening of the first channel 111 gradually decreases in the first direction, where the first direction is the extending direction of the handle 100 from the proximal end to the distal end, and the profile shape of the distal end of the first channel 111 and the distal end of the endoscope operating portion is matched, so that it is possible to avoid a larger shaking amplitude of the endoscope relative to the endoscope sheath after the endoscope is placed into the endoscope sheath.

It should be noted that, in the embodiment of the present application, the opening size of the first channel 111 gradually decreases in the first direction, that is, the continuity may be achieved, for example, the first channel 111 is a tapered cavity, or may also exhibit a stepwise change, for example, the first channel 111 includes at least two unit cavities distributed along the first direction; the present embodiment is not limited to the specific shape of the first channel 111 here, as long as it matches the distal end contour of the endoscope operating section.

Under the condition that the first channel 111 is changed stepwise in the first direction, the step surfaces between the two unit cavities are in arc transition, and under the condition, smooth liquid flowing of the disinfectant can be improved, and the situation that the disinfectant overflows in the step area liquid is avoided.

In this embodiment, referring to fig. 4, the endoscope sheath further includes a plug 300, where the plug 300 is connected to the distal end of the cannula 200, so as to close the distal end of the cannula 200; of course, the distal end of the cannula 200 may also be formed directly into a closed end, and the present embodiment is not limited to the form of closing the distal end of the cannula 200.

In an alternative embodiment, the proximal end of the plug 300 is provided with a docking cavity 310, the distal end of the sleeve 200 is located in the docking cavity 310, and the sleeve 200 can be connected with the plug 300 in a gluing manner, so that tightness of connection between the two is ensured, and leakage is avoided; of course, in the case of ensuring the tightness, the sleeve 200 and the plug 300 may be fixedly connected by a fastening connection, a threaded connection, or the like, and the present embodiment is not limited to the connection method of the two.

Likewise, the handle 100 can be connected and fixed with the sleeve 200 by adopting a threaded connection, cementing or clamping manner, in this case, the handle 100, the sleeve 200 and the plug 300 are of a split structure, which is beneficial to reducing the die sinking difficulty and reducing the die development cost.

In a further technical scheme, the distal end of the plug 300 is provided with a spherical structure 320, which is a long rod structure after the endoscope sheath is assembled, and the spherical structure 320 can protect operators and reduce the risk of stabbing during use.

Of course, the handle 100, the sleeve 200, and the stopper 300 may also be integrally formed, i.e., the handle 100, the sleeve 200, and the stopper 300 are integrally formed.

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

1. An endoscope sheath, comprising:

a handle (100), wherein the handle (100) is provided with a first cavity (111) which is penetrated along the axial direction of the handle;

a cannula (200), a proximal end of the cannula (200) being connected to the handle (100) and the cannula (200) being in communication with the first lumen (111), a distal end of the cannula (200) being closed;

the handle (100) is provided with a radially outwardly protruding protrusion (130), and the protrusion (130) is provided with a liquid injection port (131) communicating with the first cavity (111).

2. The endoscope sheath of claim 1, wherein the handle (100) includes a tubular handle base (110) and a hooking portion (120) connected to the tubular handle base (110), the hooking portion (120) being bent relative to the tubular handle base (110) to form a hooking groove (140) with the tubular handle base (110).

3. An endoscope sheath according to claim 2, characterized in that the proximal end of the tubular handle base (110) is provided with an opening (113) corresponding to the filling port (131).

4. The endoscope sheath according to claim 2, characterized in that the hitching section (120) is connected to a proximal end of the tubular handle base (110).

5. The endoscope sheath according to claim 2, characterized in that an inner wall of the tubular handle base (110) is provided with a limit projection (112), a flow gap being formed between an outer wall of the endoscope and the inner wall of the tubular handle base (110) in case the endoscope is carried by the limit projection (112).

6. An endoscope sheath according to claim 5, characterized in that the limit projections (112) are provided in pairs at both ends in the radial direction of the cylindrical handle base (110).

7. An endoscope sheath according to any one of claims 1-6, characterized in that the opening of the first lumen (111) tapers in size in a first direction, the first direction being the direction of extension of the handle (100) from the proximal end to the distal end.

8. The endoscope sheath of claim 7, wherein the first channel (111) decreases stepwise in a first direction, the first channel (111) comprising at least two channel units distributed along the first direction, an arcuate transition between adjacent two of the channel units.

9. The endoscope sheath of any one of claims 1-6, further comprising a plug (300), the plug (300) being coupled to the distal end of the cannula (200) to close the distal end of the cannula (200).

10. The endoscope sheath of claim 9, wherein the handle (100), the sleeve (200), and the plug (300) are integrally formed;

alternatively, the proximal end of the sleeve (200) is clamped, screwed or glued to the handle (100), and the distal end of the sleeve (200) is clamped, screwed or glued to the plug (300).