WO2024055922A1 - 用于内窥镜的接入组件及其使用方法 - Google Patents

用于内窥镜的接入组件及其使用方法 Download PDF

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Publication number
WO2024055922A1
WO2024055922A1 PCT/CN2023/117960 CN2023117960W WO2024055922A1 WO 2024055922 A1 WO2024055922 A1 WO 2024055922A1 CN 2023117960 W CN2023117960 W CN 2023117960W WO 2024055922 A1 WO2024055922 A1 WO 2024055922A1
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WIPO (PCT)
Prior art keywords
fluid
endoscope
access assembly
cavity
tubular body
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PCT/CN2023/117960
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English (en)
French (fr)
Inventor
丁伟江
曹新东
袁鹏
Original Assignee
宁波海泰科迈医疗器械有限公司
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Publication of WO2024055922A1 publication Critical patent/WO2024055922A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements

Definitions

  • the present application relates to the field of medical devices, particularly to an access assembly for receiving an endoscope, and more particularly to an access assembly capable of extending and retracting from a distal end of the access assembly in response to an endoscope, respectively.
  • the access assembly for receiving the endoscope automatically stops and starts ejecting cleaning and/or drying fluid.
  • this application also relates to the use method of the above-mentioned access component.
  • Endoscopic surgery involves surgery through the body wall, for example, to view and/or operate on the ovaries, uterus, gallbladder, intestines, kidneys, appendix, etc.
  • endoscopic surgical procedures including, for example, arthroscopy, laparoscopy, gastroenteroscopy, and laryngobronchoscopy.
  • a puncture cone passed through an access assembly is used to create an incision on the patient's body surface leading to a target site, and endoscopic surgery is performed through the incision.
  • the access assembly After the puncture is formed, the access assembly extends through the incision into the body cavity and remains in the body cavity while the puncture cone withdraws from the access assembly to provide access to endoscopic surgical tools.
  • a camera or endoscope is inserted through the access assembly to allow visual inspection and magnification of body cavities. The surgeon can then perform diagnosis and/or treatment at the surgical site with the aid of specialized instruments (such as forceps, graspers, cutters, applicators, etc.) designed to fit through the additional cannula.
  • the endoscope lens may become covered with condensation, tissue, blood, other body fluids, etc. in the body cavity. It is therefore difficult to keep the endoscope lens clean during surgery.
  • a surgeon such as an endoscopist
  • withdraws the endoscope from the incision on the patient's body via the access assembly cleans the lens with pre-prepared saline at body temperature, and then wipes it with a disinfectant such as iodophor
  • a disinfectant such as iodophor
  • the time required to clean the lens may increase the total time of the surgery and the amount of time the patient needs to remain anesthetized, and since the endoscope is repeatedly withdrawn and inserted into incisions in the patient's body, this may result in increased risk of infection and Increase recovery time.
  • endoscopes with fluid in body cavities
  • Access components of the lens but because these access components directly drain irrigation fluid and condensate, tissue, blood and other body fluids into the patient's body cavity, they are not accepted by most surgeons and have not been popularized.
  • the present application relates to an access assembly for receiving an endoscope.
  • the access assembly may include a tubular body, a proximal seal, a distal seal, one or more fluid supply passages, and one or more fluid controls.
  • the tubular body may be configured to extend along a longitudinal axis of the access assembly and for receiving an endoscope.
  • the proximal seal may be configured to sealingly connect with the proximal end of the tubular body.
  • the distal seal may be configured to sealingly connect with the distal end of the tubular body.
  • the inner wall of the tubular body, the distal surface of the proximal seal, and the proximal surface of the distal seal collectively define the lumen of the access assembly as the interior space enclosed by the access assembly.
  • the proximal seal may be configured to form a seal against a side wall of the endoscope when the endoscope is inserted through the access assembly to prevent material external to the access assembly from entering the lumen of the access assembly .
  • the distal seal may be configured to form a seal by closing its shape when the endoscope is not passed through it to prevent materials within the cavity of the access assembly from passing through the distal end of the access assembly. End outflow.
  • the distal seal may also be configured to form against a side wall of the endoscope as the endoscope is extended therethrough from the distal end of the access assembly (e.g., into the patient's body cavity). Seal to prevent material within the cavity of the access assembly from flowing out of the distal end of the access assembly.
  • the one or more fluid supply passages may include a fluid input port for receiving fluid from the fluid source, a fluid exhaust port for draining fluid received from the fluid source into the cavity, and a fluid input port in fluid communication with the fluid exhaust port.
  • One or more fluid control members may be disposed at positions corresponding to corresponding fluid discharge ports.
  • the corresponding position means that the fluid control member disposed at this position can produce corresponding blocking and unblocking effects on the corresponding fluid outlet, as will be described in more detail below with reference to the accompanying drawings.
  • the fluid outlet is released from the corresponding fluid control member to restore the corresponding fluid outlet to unblocked.
  • the fluid can be injected and stopped automatically without operating any pump switch or valve, thus simplifying the complexity of the access component system and the corresponding operations.
  • the one or more fluid control members may include one or more protrusions, and the one or more protrusions may be disposed on the inner wall of the tubular body at axial and circumferential directions corresponding to the corresponding fluid discharge ports. location.
  • the corresponding axial and circumferential positions mean that the protrusion disposed at this position can produce corresponding blocking and unblocking effects on the corresponding fluid outlet, as will be described in more detail below with reference to the accompanying drawings. .
  • the one or more protrusions may include at least one annular protrusion, which may be circumferentially disposed on the inner wall of the tubular body at an axial position corresponding to the fluid discharge port.
  • the corresponding axial position means that the annular protrusion disposed at this position can produce corresponding blocking and unblocking effects on the corresponding fluid discharge port (for example, all multiple fluid discharge ports), As will be described in more detail below with reference to the accompanying drawings.
  • each of the one or more protrusions may be disposed not on the inner wall of the tubular body but on the outer surface of the corresponding fluid outlet.
  • the fluid control member is formed separately from, for example, a fluid pipeline on the inner wall of the tubular body
  • a plurality of protrusions as the fluid control member formed on the outer surface of the corresponding fluid discharge port may not be considered to be related to the fluid discharge port. circumferential alignment.
  • any two or more of the one or more fluid controls, one or more fluid vents, and the distal seal may be integrally formed from a flexible material. In this case, the installation process of the assembly is simplified and the alignment between the fluid outlet and the fluid control member is facilitated.
  • the flexible material may be medical grade silicone to facilitate opening and closing of the distal seal and to facilitate obstruction of the fluid outlet when clamped between the fluid control member and the inner wall of the tubular body of the access assembly, and Patency is restored when released by clamping as described above.
  • the one or more fluid supply channels may include a plurality of fluid supply channels, which may each provide cleaning liquid, gas for at least partially drying the endoscope, or gas for licensure of artificial pneumoperitoneum, and A gas-liquid mixture that improves the cleaning effect through the impact of gas-liquid two-phase flow.
  • the access assembly may also include a vacuum suction member for extracting fluid from the cavity to remove the above-mentioned liquid, gas or mixture from the access after cleaning and/or drying the endoscope. into the component cavity and removed.
  • the fluid outlet may be positioned to point in a proximal direction along the longitudinal axis of the access assembly, as will be described further below with reference to the accompanying drawings.
  • spray out from the fluid discharge port The fluid can be directed toward the lens at the distal end of the endoscope, thereby improving cleaning and is independent of the orientation of the endoscope and access assembly relative to gravity.
  • the present application also relates to a method of using the access assembly described above, wherein an access assembly according to any one of the above embodiments is provided and an endoscope is threaded through the access assembly. Operation may include connecting the fluid input port to the fluid source and retracting the distal end of the endoscope proximally through the distal seal into the cavity so that it is otherwise flanked by the fluid control member and the access assembly The fluid discharge port clamped by the inner wall of the tubular body is restored to unblocked, so that the fluid is ejected from the fluid discharge port, thereby cleaning the distal end of the endoscope.
  • the method may further include extending the distal end of the endoscope distally from the cavity through the distal seal such that the fluid outlet is flanked by the fluid control member and the tubular body of the access assembly. The inner walls are clamped and blocked to stop the drainage of fluid into the cavity of the access assembly.
  • the fluid source provides one of a liquid, a gas, or a gas-liquid mixture.
  • Figure 1 is a cross-sectional side view of an access assembly for an endoscope in accordance with an embodiment of the present application
  • FIG. 2A is a partially enlarged cross-sectional side view of the distal end of the access assembly for an endoscope in FIG. 1 with the endoscope extended from the distal end;
  • FIG. 2B is a partially enlarged cross-sectional side view of the distal end of the access assembly for the endoscope in FIG. 1 with the endoscope retracted into the cavity;
  • 3A-3C are respectively a partially enlarged bottom perspective view, a side cross-sectional view, and a top perspective view of a distal end of an access assembly for an endoscope according to an embodiment of the present application.
  • distal refers to a direction of the endoscope, portion of the access assembly, or components thereof that is further away from the operator (eg, a physician) (such as below as shown generally in the Figures) , for example, “distal” refers to the direction of endoscope insertion, and “distal” refers to one end of the endoscope in the direction of insertion; while the term “proximal” refers to the part of the endoscope, the access component, or its components that are closer to the operator.
  • proximal direction (such as the upper direction generally shown in each drawing), for example, the "proximal direction” is the direction in which the endoscope is withdrawn, and the “proximal end” is one end in the direction in which the endoscope is withdrawn.
  • endoscope is generally used interchangeably with a laparoscope, arthroscope, gastroenteroscope, laryngobronchoscope, or any other device used for viewing a patient's body cavity through a small diameter incision or cannula.
  • fluid generally refers to a fluid substance, including but not limited to liquids (such as pure liquids, solutions, colloids, suspensions, suspensions), gases, and gas-liquid two-phase Flow mixtures, plasmas, fluidized solid particles, etc.
  • liquids such as pure liquids, solutions, colloids, suspensions, suspensions
  • gases such as pure liquids, solutions, colloids, suspensions, suspensions
  • the term “about” means that the value is approximate and that small changes will not significantly affect the practice of the disclosed aspects of the present disclosure. Where a numerical limitation is used, “about” means that the value may vary ⁇ 10% and still be within the scope of the disclosure, unless the context indicates otherwise.
  • the endoscope can be inspected without removing the endoscope from the access assembly as a whole during operations such as intraoperative, equipment acceptance, maintenance and testing. Cleaning and drying are performed and can be conveniently started and stopped automatically in response to the retraction and extension of the endoscope from the distal end of the access assembly, respectively, without the need to operate a switch of the pump of the fluid source or a corresponding valve in the line.
  • the injection of fluid simplifies the operation process and saves cleaning fluid.
  • Figure 1 is a cross-sectional side view of an access assembly for an endoscope in accordance with an embodiment of the present application.
  • the access assembly may include a tubular body 100, a proximal seal 200, a distal seal 300, one or more fluid supply passages 400, and one or more fluid controls 500.
  • the tubular body 100 may be configured to extend along the longitudinal axis Z-Z' of the access assembly and for receiving an endoscope (e.g., endoscope 700 in Figures 2A-2B).
  • the proximal seal 200 can be configured to be in sealing connection with the proximal end of the tubular body 100 and the distal seal 300 can be configured in sealing connection with the distal end of the tubular body 100 .
  • the inner wall of the tubular body 100, the distal surface of the proximal seal 200, and the proximal surface of the distal seal 300 collectively define the lumen of the access assembly as the internal space enclosed by the access assembly.
  • proximal seal 200 may be configured to abut a side wall of an endoscope (eg, endoscope 700 in FIGS. 2A-2B ) when inserted therethrough into the lumen of the access assembly. (e.g., sidewalls 710 of endoscope 700 in FIGS. 2A-2B ) form a seal to prevent entry of materials external to the access assembly. into the cavity of the access component.
  • the distal seal 300 may be configured to close through its inherent shape and structure to form a seal when the endoscope is not passed through it, thereby preventing materials within the cavity of the access assembly from being passed through. The distal end of the assembly flows out, as will be described further below with reference to Figure 2B.
  • the distal seal may also be configured to form against a side wall of the endoscope as the endoscope extends therethrough from the distal end of the access assembly (e.g., into the patient's body cavity). Seal to prevent material within the cavity of the access assembly from flowing out of the distal end of the access assembly, as will be described further below with reference to Figure 2A.
  • Each of the one or more fluid supply passages 400 may include a fluid input port 410 for receiving fluid from a fluid source (not shown), a fluid exhaust port 430 for draining fluid received from the fluid source into the cavity. and a fluid pipeline 420 that fluidly communicates the fluid input port 410 with the fluid discharge port 430.
  • one or more fluid supply passages 400 may include a plurality of fluid supply passages 400 , each providing one of cleaning liquid, drying gas, or a gas-liquid mixture.
  • the fluid outlet 430 may be separately disposed on the inner wall of the tubular body 100 and connected to the distal end of the fluid pipeline 420 . In other embodiments, the fluid outlet 430 may also be formed integrally with the distal seal 300 (not shown).
  • Each of the one or more fluid control members 500 may be disposed at a location corresponding to a corresponding fluid outlet 430 .
  • the position correspondence between the fluid control member 500 and the fluid outlet 430 may include alignment of their axial positions and circumferential positions.
  • the corresponding position means that the fluid control member 500 disposed at this position can cooperate with the side wall of the endoscope (for example, the side wall 710 of the endoscope 700 in FIG. 2A ) to produce a corresponding response to the corresponding fluid discharge port 430 .
  • 2A is a partially enlarged cross-sectional side view of the access assembly for an endoscope in FIG. 1 at the distal end with the endoscope 700 extending from the distal end.
  • the state shown in FIG. 2A generally corresponds to the state when the lens of the distal end 720 of the endoscope 700 is used to observe the patient's body cavity during surgery, or corresponds to operations during equipment acceptance, maintenance, and testing that do not involve the patient. It can be understood that since the lens is not within the cavity of the access component, it is not expected that fluid will be ejected from the fluid outlet 430 in this state.
  • the fluid control member 500 along with the corresponding fluid discharge port 430 is inserted into the side of the endoscope 700 .
  • Wall 710 pushes against the inner wall of tubular body 100 .
  • the fluid discharge port 430 is clamped between the corresponding fluid control member 500 and the side wall 710 of the endoscope 700, so that the corresponding fluid discharge port 430 is blocked to automatically stop the ejection of fluid.
  • Figure 2B is the access assembly for the endoscope of Figure 1 with the endoscope 700 retracted into the cavity. Partially enlarged cross-sectional side view of the distal end of the state.
  • the state shown in FIG. 2B generally corresponds to a state in which the lens of the distal end 720 of the endoscope 700 is retracted into the cavity of the access assembly during surgery, or corresponds to equipment acceptance and maintenance that does not involve the patient. and operations during testing, etc. It can be understood that in this state, it is expected that the cleaning liquid or drying gas or gas-liquid mixture is ejected from the fluid discharge port 430 into the cavity of the access component to clean or at least partially dry the lens. As shown in FIG.
  • the corresponding fluid discharge port 430 is automatically clamped and released by the fluid control member 500 in cooperation with the side wall 710 of the endoscope 700, according to the present application
  • the access assembly for the endoscope 700 can automatically inject and stop fluid without operating any pump switches or valves, thereby simplifying the complexity of the access assembly system and corresponding operations.
  • the access assembly for an endoscope may also include a vacuum suction member 600.
  • Vacuum suction member 600 may be connected to a vacuum suction source (such as a vacuum pump, a vacuum interface as an operating room facility, etc.) to draw fluids (e.g., cleaning liquids, drying gases, gas-liquid mixtures) from the access assembly discharged from the cavity.
  • a vacuum suction source such as a vacuum pump, a vacuum interface as an operating room facility, etc.
  • fluids e.g., cleaning liquids, drying gases, gas-liquid mixtures
  • any two or more of the one or more fluid controls 500 , the fluid outlet 430 of each of the one or more fluid supply passages 400 , and the distal seal 300 It can be integrally formed from flexible materials, as shown in Figures 3A-3C. In this case, the installation process of the assembly is simplified and the alignment between the fluid outlet 430 and the fluid control member 500 is facilitated.
  • the flexible material may be medical grade silicone to facilitate opening and closing of the distal seal 300 and facilitate the fluid outlet 430 when being clamped by the fluid control member 500 and the inner wall of the tubular body 100 of the access assembly. is blocked, and then elastically becomes unobstructed when released by the clamping described above.
  • the fluid outlet 430 may have an overall An opening on the proximal side of the access assembly to eject fluid to the distal end 720 of the endoscope 700 .
  • the fluid control member 500 may be located radially outside the fluid outlet 430 and be positioned along the longitudinal axis Z-Z′ substantially corresponding to the fluid outlet 430 An axial position so as to engage the sidewall 710 of the endoscope 700 to effect clamping and release of the fluid discharge port 430, as described in greater detail with reference to Figures 2A and 2B.
  • the fluid control member 500 may be located at an axial and circumferential position corresponding to the middle section of the fluid discharge port 430 and Radially close to the inner wall of the tubular body 100 .
  • distal seal 300 may include multiple sealing flaps, as shown in Figure 3C.
  • the plurality of sealing flaps can elastically close by virtue of their shape and form a seal.
  • the plurality of sealing flaps may elastically expand gradually against endoscope 700 and remain sealed against sidewall 710 of endoscope 700 , thereby preventing access to the assembly. The material in the cavity flows out of the distal end of the access component.
  • FIGS. 3A-3C illustrate the fluid outlet 430 as a separate part from the distal seal 300
  • the fluid outlet 430 may be located on the distal seal 300 , such as on the distal seal. on the proximal surface of at least one sealing flap of member 300.
  • fluid control member 500 may similarly engage sidewall 710 of endoscope 700 to clamp and release fluid discharge port 430.
  • the fluid outlet 430 is shown in the figures as being located proximate the distal end of the tubular body 100 along the longitudinal axis Z-Z', in other embodiments, the fluid outlet 430 and corresponding fluid controls 500 may also be located in the middle or near the proximal end of the tubular body 100 along the longitudinal axis Z-Z'. In this case, the fluid outlet 430 can still be automatically clamped and released by simply adjusting the retraction distance of the distal end 720 of the endoscope 700 along the longitudinal axis Z-Z' accordingly during operation.
  • the one or more fluid control members 500 may include one or more protrusions, and the number of the one or more protrusions may be equal to the one or more fluid supply passages 400 and the corresponding one or more fluid drains. Export quantity 430. It will be appreciated that where the access assembly includes a plurality of fluid supply passages 400 and a corresponding plurality of fluid discharge ports 430, the corresponding fluid input port 410 of each fluid supply passage 400 may be connected to a different fluid source, such as Clean the liquid source, drying gas source or gas-liquid mixture source, so that the access component can spray different fluids into the cavity of the access component according to requirements.
  • a different fluid source such as Clean the liquid source, drying gas source or gas-liquid mixture source
  • Each protrusion may be disposed on the inner wall of the tubular body 100 at an axial and circumferential position corresponding to the corresponding fluid discharge port 430 .
  • the convex shape of the fluid control member 500 may fit the endoscope 700 with the endoscope 700 extending through the distal seal 300
  • the side walls 710 are configured to facilitate clamping of the corresponding fluid outlet 430, thereby stopping the ejection of fluid.
  • the access assembly may include multiple fluid supply passages 400 , and each fluid supply passage 400 may have a separate fluid input port 410 , fluid exhaust port 430 , and fluid conduit 420 .
  • the respective fluid input ports 410 of the plurality of fluid supply passages 400 can be respectively connected to fluid sources supplying different fluids (for example, cleaning liquid, drying gas, gas-liquid mixture, etc.), thereby satisfying at least part of the cleaning requirements.
  • fluid sources for example, cleaning liquid, drying gas, gas-liquid mixture, etc.
  • Multiple functions for drying the lens of the endoscope 700 it should be understood that during the cleaning and optional drying process as described in more detail below, it may be necessary to automatically or manually stop the supply of liquid by the fluid supply system (not shown) and switch to supply after the cleaning meets the cleanliness requirements.
  • the drying gas is selected, but the access component according to the present application can still automatically stop the spraying of the drying gas after drying to the expected extent. More generally, during a multi-step cleaning process of the endoscope 700 (for example, including cleaning, drying, etc. steps), the fluid control member 500 cooperates with the side wall 710 of the endoscope 700 as the endoscope 700 moves away. The distal extension and proximal retraction of the end 720 automatically clamps and automatically releases the fluid outlet 430.
  • the access assembly according to the present application can at least automatically start the fluid (inflow, cleaning liquid, gas) in the first step. liquid mixture two-phase flow, etc.), and automatically stops the injection of fluid (for example, drying gas) in the last step.
  • the respective fluid input ports 410 of the plurality of fluid supply passages 400 may be connected to the same fluid source (eg, cleaning liquid, drying gas, gas-liquid mixture, etc.), but they correspond to
  • the fluid discharge ports 430 may be positioned differentially.
  • multiple fluid discharge ports 430 may be distributed at different radial, axial and/or circumferential positions around the longitudinal axis Z-Z′ to better distribute the ejection of fluid across the lens of the endoscope 700 to improve cleaning and drying results.
  • the one or more protrusions as the fluid control member 500 may include an annular protrusion (not shown) that may be circumferentially proximate to the inner wall of the tubular body 100 and located adjacent to the fluid discharge port. At the axial position corresponding to 430.
  • the annular protrusion may be a closed or non-closed annular shape, such as a half ring.
  • each of the plurality of fluid supply passages 400 is used to discharge cleaning liquid, drying gas and
  • a ring-shaped protrusion can be used to engage the side wall 710 of the endoscope 700 to simultaneously clamp and release all the plurality of fluid discharge ports 430, and does not need to be installed on the tubular body 100.
  • the corresponding axial position refers to the relationship between the annular protrusion disposed at the position and the corresponding fluid discharge port 430 (for example, all multiple fluid discharge ports).
  • the axial position of the annular protrusion along the longitudinal axis Z-Z′ may be generally consistent with the fluid discharge of the fluid discharge port 430 in a state of being pushed toward the inner wall of the tubular body 100 by the side wall 710 of the endoscope 700 .
  • the axial position of the middle section of the outlet 430 corresponds.
  • each of the one or more protrusions may be disposed not proximate the inner wall of the tubular body 100 but instead be disposed on the outer surface 432 of the corresponding fluid outlet 430 (not shown). It can be understood that in the case where the fluid control member 500 is formed separately from, for example, the fluid pipeline 420 on the inner wall of the tubular body 100, a plurality of protrusions serving as the fluid control member 500 will be formed on the outer surface of the corresponding fluid outlet 430. 432, the above-mentioned clamping and releasing effects can be achieved similarly, and the circumferential alignment with the fluid discharge port 430 does not need to be considered during installation.
  • the fluid outlet 430 may be positioned to point in a proximal direction (i.e., a generally upward direction in each figure) along the longitudinal axis of the access assembly (Z-Z' in FIG. 1 ), As shown in Figures 3A-3C.
  • the fluid ejected from the fluid discharge port 430 can be directed toward the lens at the distal end 720 of the endoscope 700 when withdrawn into the access assembly, thereby improving the cleaning effect and being independent of the endoscope 700 and the access assembly. into the effect of the orientation of the component relative to gravity.
  • the fluid outlet 430 may be disposed along other orientations, such as partially radially inwardly oriented.
  • the method of using the above access component is described below with reference to FIGS. 2A and 2B.
  • the above-mentioned access according to the present application can be operated using the method according to the application, whether the endoscope's intraoperative field of view is covered with contaminants and becomes blurred, or during operations such as equipment acceptance, maintenance and testing that do not involve the patient.
  • Components to perform operations such as cleaning and drying endoscopes.
  • methods according to the present application may include connecting respective fluid input ports 410 of one or more fluid supply passages 400 to respective fluid sources.
  • an access assembly from any of the embodiments described above is provided and endoscope 700 is threaded through the access assembly.
  • the fluid source may include a cleaning liquid source, a drying gas source, a gas-liquid mixture source, etc., to achieve different purposes such as cleaning and drying.
  • the distal end 720 of the endoscope 700 When it is desired to discharge fluid from the fluid discharge port 430 to clean or dry the lens of the distal end 720 of the endoscope 700, the distal end 720 of the endoscope 700 is proximally retracted into the cavity through the distal seal 300, so that The fluid outlet 430 that was originally clamped on both sides by the fluid control member 500 and the inner wall of the tubular body 100 of the access assembly is restored to be unobstructed, so that the fluid can be ejected from the fluid outlet 430 to clean the distal end 720 of the endoscope 700 .
  • the method according to the present application may further include, after completing the cleaning and/or drying of the lens of the endoscope 700, extending the distal end 720 of the endoscope 700 distally from the cavity through the distal seal 300 (For example, if you wish to continue to use the endoscope 700 to observe the patient's body cavity), the fluid outlet 430 is blocked by being clamped on both sides by the fluid control member 500 and the inner wall of the tubular body 100 of the access assembly to stop the fluid from draining into the patient's body cavity. Access the cavity of the component.
  • each fluid source provides one of a liquid, a gas, or a gas-liquid mixture to clean and dry the lens of the distal end 720 of the endoscope 700 .

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Abstract

公开了一种用于接收内窥镜的接入组件，包括：沿着接入组件的纵向轴线延伸且用于接收内窥镜的管状本体；与管状本体的近端密封连接的近端密封件；与管状本体的远端密封连接的远端密封件；包括用于从流体源接收流体的流体输入口、用于将从流体源接收的流体排出到腔体内的流体排出口和将流体输入口与流体排出口流体连通的流体管路的一个或多个流体供给通路；设置在与相应的流体排出口对应的位置处的一个或多个流体控制件。还公开了清洁接入组件的方法。

Description

用于内窥镜的接入组件及其使用方法
出于所有目的，本申请要求于2022年9月13日递交的中国专利申请第202211108995.4号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本申请涉及医疗器械领域，具体地涉及一种用于接收内窥镜的接入组件，并且更具体地，涉及一种能够分别响应于内窥镜从接入组件的远端伸出和缩回而自动地停止和开始喷出清洗和/或烘干流体的用于接收内窥镜的接入组件。此外，本申请还涉及上述接入组件的使用方法。
背景技术
诸如内窥镜外科手术的微创外科手术可以减少外科手术过程的侵入性。内窥镜外科手术涉及穿过体壁的外科手术，例如，观察卵巢、子宫、胆囊、肠、肾、阑尾等和/或对其做手术。存在许多常见内窥镜外科手术方法，举例而言包含关节镜术、腹腔镜术、胃肠镜术和喉支气管镜术。在这些方法中，使用穿过接入组件的穿刺锥在患者的体表产生通往目标位置的切口，并通过切口进行内窥镜外科手术。在形成穿刺之后，接入组件穿过切口延伸到体腔中并留在体腔中，而穿刺锥从接入组件退出，以提供内窥镜外科手术工具的接入口。通过接入组件插入相机或内窥镜，以允许体腔的视觉检查和放大。然后外科医生可以借助于设计为通过附加套管配合的专门器械(诸如镊子、抓紧器、切割器、施加器等)，在外科手术部位进行诊断和/或治疗。
使用中，内窥镜的镜头可能变得被体腔内的凝聚物、组织、血液、其他体液等覆盖。因此在手术期间保持内窥镜的镜头清洁是困难的。常规地，外科医生(诸如，内窥镜操作者)将内窥镜经由接入组件从患者身体上的切口抽出，并用预先准备的体温下的生理盐水清洗镜头，然后用碘伏等消毒剂擦拭内窥镜体，并将其经由接入组件重新插入患者身体上的切口。在手术过程期间，清洁镜头所需的时间可能增加手术的总时间和患者需要保持麻醉的时间量，并且由于内窥镜需反复抽出和插入患者身体上的切口，这可能导致增加感染的风险并增加恢复时间。虽然目前存在某些能够在体腔内用液体冲洗内窥镜的 镜头的接入组件，但由于这些接入组件直接将冲洗液体与冷凝物、组织、血液和其他体液等排入患者的体腔中，因此不被多数外科医生接受而未得到推广应用。另外，操作流体喷射的开始与停止通常需要在管路中设置相应的阀或频繁操作泵的开关，从而提高了内窥镜接入组件系统的复杂度并使操作繁琐。可见，在本领域存在对改善的接入组件的需求，使其能够在术中简便、快速地清洁内窥镜的镜头。
发明内容
本申请涉及一种用于接收内窥镜接入组件，接入组件可以包括管状本体、近端密封件、远端密封件、一个或多个流体供给通路，以及一个或多个流体控制件。管状本体可以配置为沿着接入组件的纵向轴线延伸且用于接收内窥镜。近端密封件可以配置为与管状本体的近端密封连接。远端密封件可以配置为与管状本体的远端密封连接。管状本体的内壁、近端密封件的远端表面和远端密封件的近端表面共同地限定接入组件的腔体，作为接入组件所包围的内部空间。在一些实施例中，近端密封件可以配置为在内窥镜通过其插入接入组件时抵靠内窥镜的侧壁形成密封，以防止接入组件外部的物质进入接入组件的腔体内。在一些实施例中，远端密封件可以配置为，在内窥镜未穿过其时，通过自身形状结构的闭合而形成密封，以防止接入组件的腔体内的物质从接入组件的远端流出。在一些实施例中，远端密封件还可以配置为，在内窥镜通过其从接入组件的远端伸出(例如，到患者的体腔中)时，抵靠内窥镜的侧壁形成密封，以防止接入组件的腔体内的物质从接入组件的远端流出。
一个或多个流体供给通路可以包括用于从流体源接收流体的流体输入口、用于将从流体源接收的流体排出到腔体内的流体排出口和将流体输入口与流体排出口流体连通的流体管路。一个或多个流体控制件可以设置在与相应的流体排出口对应的位置处。此处，应理解，对应的位置是指设置在该位置的流体控制件对相应的流体排出口能够产生相应的堵塞和恢复通畅的作用，如以下将参考附图更详细描述的。当内窥镜的远端穿过远端密封件远向地从腔体伸出时，流体排出口被夹紧在相应的流体控制件与内窥镜的侧壁之间而被阻塞。当内窥镜的远端通过远端密封件近向地缩回腔体内时，流体排出口从相应的流体控制件被释放而使相应的流体排出口恢复畅通。响应于内窥镜通过远端密封件的伸出和缩回，通过流体控制件对相应的流体排出口的自动夹紧和 释放，可以在不需操作任何泵的开关或阀的情况下自动地实现流体的喷射和停止，从而简化了接入组件系统的复杂度和相应的操作。
在一些实施例中，一个或多个流体控制件可以包括一个或多个凸起，并且一个或多个凸起可以设置在管状本体的内壁上与相应的流体排出口对应的轴向和圆周向位置处。此处，应理解，对应的轴向和圆周向位置是指设置在该位置的凸起可以对相应的流体排出口产生相应的堵塞和恢复通畅的作用，如以下将参考附图更详细描述的。
在一些实施例中，一个或多个凸起可以包括至少一个环圈状凸起，其可以圆周向地设置在管状本体的内壁上与流体排出口对应的轴向位置处。此处，应理解，对应的轴向位置是指设置在该位置的环圈状凸起对相应的流体排出口(例如，全部多个流体排出口)能够产生相应的堵塞和恢复通畅的作用，如以下将参考附图更详细描述的。
在一些实施例中，一个或多个凸起中的每一个可以不是设置在管状本体的内壁上，而是设置在相应的流体排出口的外表面上。在流体控制件与管状本体的内壁上的例如流体管路分开形成的情况下，形成在相应的流体排出口的外表面上的作为流体控制件的一个多个凸起可以不必考虑与流体排出口的圆周向对准。
在一些实施例中，一个或多个流体控制件、一个或多个流体排出口以及远端密封件中的任意两者或更多者可以由柔性材料一体成形的。在此情况下，简化了组件的安装过程，并促进了流体排出口与流体控制件之间的对准。
在一些实施例中，柔性材料可以为医疗级硅胶，以促进远端密封件的开合，并且促进流体排出口在被流体控制件与接入组件的管状本体的内壁夹紧时被阻塞，而在被上述夹紧释放时恢复通畅。
在一些实施例中，一个或多个流体供给通路可以包括多个流体供给通路，其可以各自提供清洗液体、用于至少部分地吹干内窥镜或用于执照人工气腹的气体，以及用于通过气液两相流的冲击力提高清洗效果的气液混合物。
在一些实施例中，接入组件还可以包括用于将流体从腔体内抽出的真空抽吸件，以在对内窥镜进行清洗和/或烘干后将上述液体、气体或企业混合物从接入组件的腔体内移除。
在一些实施例中，流体排出口可以设置为沿着接入组件的纵向轴线指向近端方向，如以下将参考附图进一步描述的。在此情况下，从流体排出口喷出 的流体可以指向内窥镜的远端处的镜头，从而改善清洗效果，并且不受内窥镜和接入组件相对于重力的取向的影响。
本申请还涉及一种使用上述接入组件的方法，其中提供根据上述实施例中任一项的接入组件，并将内窥镜穿设通过接入组件。在操作过程中，可以包括将流体输入口连接到流体源，并将内窥镜的远端通过远端密封件近向地缩回腔体内，使得原本在两侧被流体控制件和接入组件的管状本体的内壁夹紧的流体排出口恢复畅通，以使流体从流体排出口喷出，从而清洗内窥镜的远端。
在一些实施例中，方法还可以包括将内窥镜的远端通过远端密封件远向地从腔体伸出，使得流体排出口在两侧被流体控制件和接入组件的管状本体的内壁夹紧而被阻塞，以停止流体排出到接入组件的腔体内。
在一些实施例中，流体源提供液体、气体、气液混合物中的一者。
应当理解，上述清洁内窥镜的镜头的方法不仅可以在术中使用，也可以在不涉及患者的设备验收、维护和试验等操作期间使用，以提供内窥镜的镜头的简便、快速清洁。
附图说明
以下参考附图描述了本申请所公开的用于内窥镜的接入组件及其操作方法。应理解，附图仅出于图示和解释目的，而不意图对本申请的保护范围构成任何限制。另外，各附图仅示意性地示出各组件的位置和组合关系，而不一定按比例绘制，其中：
图1是根据本申请的实施例的用于内窥镜的接入组件的截面侧视图；
图2A是图1中的用于内窥镜的接入组件在内窥镜从远端伸出状态下的远端处局部放大的截面侧视图；
图2B是图1中的用于内窥镜的接入组件在内窥镜缩回到腔体内的状态下的远端处局部放大的截面侧视图；
图3A-3C分别是根据本申请的实施例的用于内窥镜的接入组件的远端处局部放大的仰侧视立体图、侧视截面图和俯侧视立体图。
具体实施方式
参考附图详细描述了能够在术中清洁内窥镜的镜头的接入组件，其中相 同附图标记在若干视图中的每一个中指代相同或相应的元件。如本文中所使用的，术语“远”是指内窥镜、接入组件的部分或其部件距操作者(例如医生)较远的方向(诸如，各附图中总体上所示的下方)，例如“远向”为内窥镜插入的方向，“远端”为内窥镜插入方向的一端；而术语“近”是指内窥镜、接入组件的部分或其部件与操作者较近的方向(诸如，各附图中总体上所示的上方)，例如“近向”为内窥镜抽出的方向，“近端”为内窥镜抽出方向的一端。另外，术语“内窥镜”总体上与腹腔镜、关节镜、胃肠镜、喉支气管镜等用于通过小直径切口或套管对患者的体腔进行观察的任意其他设备可互换地使用。如本文中所使用的，术语“流体”是泛指具有流动性的物质，包含但不限于液体(诸如，纯净物液体、溶液、胶体、悬浮液、悬浊液)、气体、气液两相流混合物、等离子体、流化的固体颗粒等。如本文中所使用的，术语“约”是指数值是近似的并且小的变化将不会显著影响本公开所公开的方面的实践。在使用数值限制的情况下，除非上下文另有指明，“约”是指数值可以变化±10％并仍在本公开的范围内。
通过使用根据本公开的用于内窥镜的接入组件，在术中、设备验收、维护和试验等操作期间，可以在无需将内窥镜从接入组件整体取出的情况下对内窥镜进行清洗和烘干，并且可以在无需操作流体源的泵的开关或管路上相应的阀的情况下响应于内窥镜从接入组件的远端缩回和伸出而分别方便地自动开始和停止流体的喷射，从而简化了操作流程，并节省了清洗流体。
图1是根据本申请的实施例的用于内窥镜的接入组件的截面侧视图。在一些实施例中，接入组件可以包括管状本体100、近端密封件200、远端密封件300、一个或多个流体供给通路400，以及一个或多个流体控制件500。管状本体100可以配置为沿着接入组件的纵向轴线Z-Z’延伸，并且用于接收内窥镜(例如，图2A-2B中的内窥镜700)。近端密封件200可以配置为与管状本体100的近端密封连接，而远端密封件300可以配置为与管状本体100的远端密封连接。管状本体100的内壁、近端密封件200的远端表面和远端密封件300的近端表面共同地限定接入组件的腔体，以作为接入组件所包围的内部空间。
在一些实施例中，近端密封件200可以配置为在内窥镜(例如，图2A-2B中的内窥镜700)通过其插入接入组件的腔体时抵靠内窥镜的侧壁(例如，图2A-2B中的内窥镜700的侧壁710)形成密封，以防止接入组件外部的物质进 入接入组件的腔体内。在一些实施例中，远端密封件300可以配置为，在内窥镜未穿过其时，通过自身固有的形状结构而闭合以形成密封，从而防止接入组件的腔体内的物质从接入组件的远端流出，如以下将参考图2B进一步描述的。在一些实施例中，远端密封件还可以配置为，在内窥镜通过其从接入组件的远端伸出(例如，到患者的体腔中)时，抵靠内窥镜的侧壁形成密封，以防止接入组件的腔体内的物质从接入组件的远端流出，如以下将参考图2A进一步描述的。
一个或多个流体供给通路400中的每一个可以包括用于从流体源(未示出)接收流体的流体输入口410、用于将从流体源接收的流体排出到腔体内的流体排出口430和将流体输入口410与流体排出口430流体连通的流体管路420。在一些实施例中，一个或多个流体供给通路400可以包括多个流体供给通路400，其各自提供清洗液体、烘干气体或气液混合物中的一者。在一些实施例中，流体排出口430可以单独地布置在管状本体100的内壁上并与流体管路420的远端相连。在其他实施例中，流体排出口430也可以远端密封件300与一体地形成(未示出)。
一个或多个流体控制件500中的每一个可以设置在与相应的流体排出口430对应的位置处。应理解，流体控制件500与流体排出口430的位置对应可以包括两者的轴向位置和圆周向位置的对准。特别地，对应的位置是指设置在该位置的流体控制件500能够配合内窥镜的侧壁(例如，图2A中的内窥镜700的侧壁710)对相应的流体排出口430产生相应的堵塞和恢复通畅的作用。图2A是图1中的用于内窥镜的接入组件在内窥镜700从远端伸出状态下的远端处局部放大的截面侧视图。图2A所示的状态总体上对应于术中使用内窥镜700的远端720的镜头观察患者的体腔时的状态，或者对应于不涉及患者的设备验收、维护和试验等期间的操作。可以理解，因为镜头不在接入组件的腔体内，所以在该状态下不期望有流体从流体排出口430喷出。如图2A所示，当内窥镜700的远端720穿过远端密封件300远向地从腔体伸出时，流体控制件500连同相应的流体排出口430被内窥镜700的侧壁710推向管状本体100的内壁。此时，流体排出口430被夹紧在相应的流体控制件500与内窥镜700的侧壁710之间，使得相应的流体排出口430被阻塞，以自动地停止流体的喷出。
图2B是图1中的用于内窥镜的接入组件在内窥镜700缩回到腔体内的 状态下的远端处局部放大的截面侧视图。图2B所示的状态总体上对应于术中将内窥镜700的远端720的镜头缩回接入组件的腔体内以便对其进行清洗的状态，或者对应于不涉及患者的设备验收、维护和试验等期间的操作。可以理解，在该状态下，期望清洗液体或烘干气体或气液混合物从流体排出口430喷出到接入组件的腔体内以清洗或至少部分地烘干镜头。如图2B所示，当内窥镜700的远端720通过远端密封件300近向地缩回腔体内时，内窥镜700的侧壁710不再向管状本体100的内壁推动流体排出口430。此时，内窥镜700的侧壁710和流体控制件500对流体排出口430的夹紧被释放，流体排出口430在自身弹力作用下回复原本的形状从而恢复畅通，从而在来自流体源的流体压力作用下开始喷射流体。在喷射流体时，流体在接入组件内的总体流动方向如图2B中的箭头所示。
响应于内窥镜700通过远端密封件300的伸出和缩回，通过流体控制件500配合内窥镜700的侧壁710对相应的流体排出口430的自动夹紧和释放，根据本申请的用于内窥镜700的接入组件可以在不需操作任何泵的开关或阀的情况下自动地实现流体的喷射和停止，从而简化了接入组件系统的复杂度和相应的操作。
在一些实施例中，用于内窥镜的接入组件还可以包括真空抽吸件600。真空抽吸件600可以连接到真空抽吸源(诸如，真空泵、作为手术室设施的真空接口等)，以将用于流体(例如，清洗液体、烘干气体、气液混合物)从接入组件的腔体内排出。在清洗和烘干操作期间，流体的总体流动方向如图1中的箭头所示。
图3A-3C分别是根据本申请的实施例的用于内窥镜的接入组件的远端处局部放大的仰侧视立体图、侧视截面图和俯侧视立体图。在一些实施例中，一个或多个流体控制件500、一个或多个流体供给通路400中的每一个流体供给通路400的流体排出口430以及远端密封件300中的任意两者或更多者可以由柔性材料一体成形的，如图3A-3C所示。在此情况下，简化了组件的安装过程，并促进了流体排出口430与流体控制件500之间的对准。在一些实施例中，柔性材料可以为医疗级硅胶，以促进远端密封件300的开合，并且促进流体排出口430在被流体控制件500与接入组件的管状本体100的内壁夹紧时被阻塞，而在被上述夹紧释放时弹性地恢复通畅。
在一些实施例中，如图3A和图3B所示，流体排出口430可以具有总体 上朝向接入组件的近侧的开口，以将流体喷射到内窥镜700的远端720。在一些实施例中，如图3A和图3B所示，流体控制件500可以位于流体排出口430的径向外侧，并且沿着纵向轴线Z-Z’的位置与流体排出口430实质上对应的轴向位置处，以便配合内窥镜700的侧壁710实现对流体排出口430的夹紧和释放，如参考图2A和图2B所更详细描述的。例如，在流体排出口430被内窥镜700的侧壁710推向管状本体100的内壁的状态下，流体控制件500可以位于与流体排出口430的中段对应的轴向和圆周向位置处并径向地贴近管状本体100的内壁。
在一些实施例中，远端密封件300可以包括多个密封瓣，如图3C所示。当内窥镜700未通过远端密封件300时，多个密封瓣可以凭借自身形状弹性地闭合并形成密封。当在内窥镜700通过远端密封件300时，多个密封瓣可以弹性地抵靠内窥镜700逐渐张开并保持抵靠内窥镜700的侧壁710密封，从而防止接入组件的腔体内的物质流出到接入组件远端之外。
虽然图3A-图3C将流体排出口430示出为与远端密封件300分开的部分，但在其他实施例中，流体排出口430也可以位于远端密封件300上，例如位于远端密封件300的至少一个密封瓣的近侧表面上。相应地，流体控制件500可以类似地配合内窥镜700的侧壁710以夹紧和释放流体排出口430。另外，虽然各附图中将流体排出口430示出为位于沿着纵向轴线Z-Z’接近管状本体100的远端处，但在其他实施例中，流体排出口430和相应的流体控制件500也可以位于沿着纵向轴线Z-Z’在管状本体100的中部或接近近端的位置处。在此情况下，只需在操作时相应地调整内窥镜700的远端720沿着纵向轴线Z-Z’缩回的距离，仍可以实现自动地夹紧和释放流体排出口430。
在一些实施例中，一个或多个流体控制件500可以包括一个或多个凸起，一个或多个凸起的数量可以等于一个或多个流体供给通路400和相应的一个或多个流体排出口430的数量。可以理解，在接入组件包括多个流体供给通路400和相应的多个流体排出口430的情况下，可以将每个流体供给通路400的相应的流体输入口410连接到不同的流体源，诸如清洗液体源、烘干气体源或气液混合物源，以使接入组件能够依据需求将不同的流体喷射到接入组件的腔体内。每个凸起可以设置在管状本体100的内壁上与相应的流体排出口430对应的轴向和圆周向位置处。在此情况下，在内窥镜700通过远端密封件300伸出的情况下，流体控制件500的凸起的形状可以配合内窥镜700 的侧壁710以促进将相应的流体排出口430夹紧，从而使流体的喷出停止。
在一些实施例中，接入组件可以包括多个流体供给通路400，并且每个流体供给通路400可以具有单独的流体输入口410、流体排出口430和流体管路420。在一些实施例中，多个流体供给通路400各自的流体输入口410可以分别连接到供给不同流体(例如，清洗液体、烘干气体、气液混合物等)的流体源，从而满足清洗、至少部分地烘干内窥镜700的镜头的多种功能。应理解，在如以下更详细描述的清洗和可选的烘干过程期间，可能需要在清洗满足清洁度要求之后由流体供给系统(未示出)自动或手动地停止供给液体并切换到供给可选的烘干气体，但根据本申请的接入组件仍可以在烘干到预期的程度之后自动地停止烘干气体的喷出。更普遍地，在多步骤的内窥镜700的清洁流程(例如，包括清洗、烘干等步骤)期间，通过流体控制件500配合内窥镜700的侧壁710随着内窥镜700的远端720的远向伸出和近向缩回对流体排出口430的自动夹紧和自动释放，根据本申请的接入组件至少可以实现自动开始第一步骤中的流体(流入，清洗液体、气液混合物两相流等)的喷射，以及自动停止最后一个步骤中的流体(例如，烘干气体)的喷射。
此外，在其他实施例中，多个流体供给通路400各自的流体输入口410中的至少一些可以连接到相同的流体源(例如，清洗液体、烘干气体、气液混合物等)，但它们相应的流体排出口430可以在位置上差异化地布置。例如，多个流体排出口430可以围绕纵向轴线Z-Z’分布在不同的径向、轴向和/或圆周向位置处，以使流体的喷出更好地分布在内窥镜700的镜头上，从而改善清洗和烘干效果。
在一些实施例中，作为流体控制件500的一个或多个凸起可以包括一个环圈状凸起(未示出)，其可以圆周向地贴近管状本体100的内壁，并且位于与流体排出口430对应的轴向位置处。在一些实施例中环圈状凸起，可以是封闭或非封闭环形，例如半环。可以理解，在接入组件具有多个流体供给通路400和相应的多个流体排出口430(例如，多个流体供给通路400中的每一个分别用于排出清洗液体、烘干气体和)的实施例(未示出)中，一个环圈状凸起可以配合内窥镜700的侧壁710同时实现对全部多个流体排出口430的夹紧和释放，并且在安装到管状本体100时也不必考虑分别与多个流体排出口430圆周向对准。在一些实施例中，对应的轴向位置是指设置在该位置的环圈状凸起对相应的流体排出口430(例如，全部多个流体排出口 430)能够产生相应的堵塞和恢复通畅的作用。例如，环圈状凸起沿着纵向轴线Z-Z’的轴向位置可以总体上与流体排出口430在被内窥镜700的侧壁710推向管状本体100的内壁的状态下的流体排出口430的中段的轴向位置相对应。
在一些实施例中，一个或多个凸起中的每一个可以不是设置为贴近管状本体100的内壁，而是设置在相应的流体排出口430的外表面432上(未示出)。可以理解，在流体控制件500与管状本体100的内壁上的例如流体管路420分开形成的情况下，将作为流体控制件500的一个多个凸起形成在相应的流体排出口430的外表面432上，可以类似地实现上述夹紧和释放的效果，并且在安装时不必考虑与流体排出口430的圆周向对准。
在一些实施例中，流体排出口430可以设置为沿着接入组件的纵向轴线(图1中的Z-Z’)指向近端方向(即，各附图中的总体上向上的方向)，如以图3A-3C所示。在此情况下，从流体排出口430喷出的流体可以指向回撤至接入组件内时内窥镜700的远端720处的镜头，从而改善清洗效果，并且不受内窥镜700和接入组件相对于重力的取向的影响。替代地，在其他实施例中，流体排出口430也可以设置为沿着其他取向，例如部分地径向向内取向。
以下参考图2A和图2B描述使用上述接入组件的方法。无论是内窥镜在术中视野被污染物覆盖而变得模糊时，还是在不涉及患者的设备验收、维护和试验等操作期间，都可以使用根据申请的方法操作根据本申请的上述接入组件，以对内窥镜进行清洗、烘干等操作。
在一些实施例中，根据本申请的方法可以包括将一个或多个流体供给通路400的相应的流体输入口410各自连接到相应的流体源。在该方法中，提供以上描述的任意实施例中的接入组件，并将内窥镜700穿设通过接入组件。如上所述，流体源可以包括清洗液体源、烘干气体源，以及气液混合物源等，以实现清洗、烘干等不同目的。当期望从流体排出口430排出流体以清洗或烘干内窥镜700的远端720的镜头时，将内窥镜700的远端720通过远端密封件300近向地缩回腔体内，使得原本在两侧被流体控制件500和接入组件的管状本体100的内壁夹紧的流体排出口430恢复畅通，以使流体从流体排出口430喷出，从而清洗内窥镜700的远端720。
根据本申请的方法还可以包括，在完成对内窥镜700的镜头的清洗和/或烘干之后，将内窥镜700的远端720通过远端密封件300远向地从腔体伸出 (例如，希望继续使用内窥镜700观察患者的体腔)，使得流体排出口430在两侧被流体控制件500和接入组件的管状本体100的内壁夹紧而被阻塞，以停止流体排出到接入组件的腔体内。
在一些实施例中，每个流体源提供液体、气体、气液混合物中的一者，以便对内窥镜700的远端720的镜头进行清洗和烘干。
应理解，可以对所公开的方法和装置进行各种修改。因此，以上描述不应理解为限制，而仅是本公开的方面的举例。本领域技术人员将设想到在本公开的范围和精神内的其他修改。例如，一个所描述的方面的任意和全部特征可以适当地整合到另一方面中。

Claims (11)

  1. 一种用于接收内窥镜的接入组件，其特征在于，所述接入组件包括：
    管状本体，配置为沿着所述接入组件的纵向轴线延伸且用于接收所述内窥镜；
    近端密封件，与所述管状本体的近端密封连接；
    远端密封件，与所述管状本体的远端密封连接，其中所述管状本体的内壁、所述近端密封件的远端表面和所述远端密封件的近端表面共同地限定所述接入组件的腔体；
    一个或多个流体供给通路，所述一个或多个流体供给通路包括用于从流体源接收流体的流体输入口、用于将从所述流体源接收的所述流体排出到所述腔体内的流体排出口和将所述流体输入口与所述流体排出口流体连通的流体管路；以及
    一个或多个流体控制件，所述一个或多个流体控制件设置在与相应的所述流体排出口对应的位置处，
    其中当所述内窥镜的远端通过所述远端密封件远向地从所述腔体伸出时，所述流体排出口被夹紧在相应的所述流体控制件与所述内窥镜的侧壁之间而被阻塞，并且
    其中当所述内窥镜的远端通过所述远端密封件近向地缩回所述腔体内时，所述流体排出口从相应的所述流体控制件与所述内窥镜的侧壁之间被释放而恢复畅通。
  2. 根据权利要求1所述的接入组件，其特征在于，所述一个或多个流体控制件包括一个或多个凸起，所述一个或多个凸起设置在所述管状本体的内壁上与相应的所述流体排出口对应的轴向和圆周向位置处。
  3. 根据权利要求2所述的接入组件，其特征在于，所述一个或多个凸起包括至少一个环圈状凸起，所述至少一个环圈状凸起圆周向地设置在所述管状本体的内壁上与所述流体排出口对应的轴向位置处。
  4. 根据权利要求1所述的接入组件，其特征在于，所述一个或多个流体控制件包括一个或多个凸起，所述一个或多个凸起设置在相应的所述流体排出口的外表面上。
  5. 根据权利要求1-4中任一项所述的接入组件，其特征在于，所述一个 或多个流体控制件、所述一个或多个流体排出口以及所述远端密封件中的任意两者或更多者是由柔性材料一体成形的。
  6. 根据权利要求5所述的接入组件，其特征在于，所述柔性材料为医疗级硅胶。
  7. 根据权利要求1所述的接入组件，其特征在于，所述接入组件还包括用于供所述流体从所述腔体内抽出的真空抽吸件。
  8. 根据权利要求1所述的接入组件，其特征在于，所述流体排出口设置为沿着所述接入组件的纵向轴线指向近端方向。
  9. 一种使用用于接收内窥镜的接入组件的方法，其特征在于，所述方法包括：
    提供根据权利要求1-8中任一项所述的接入组件，所述内窥镜穿设通过所述接入组件；
    将所述流体输入口连接到相应的流体源；
    将所述内窥镜的远端通过所述远端密封件近向地缩回所述腔体内，使得所述流体排出口恢复畅通，以用所述流体清洗所述内窥镜的远端。
  10. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    将所述内窥镜的远端通过所述远端密封件远向地从所述腔体伸出，使得所述流体排出口被阻塞，以停止所述流体排出到所述腔体内。
  11. 根据权利要求9所述的方法，其特征在于，所述相应的流体源分别提供液体、气体、气液混合物中的一者。
PCT/CN2023/117960 2022-09-13 2023-09-11 用于内窥镜的接入组件及其使用方法 WO2024055922A1 (zh)

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