WO2024109485A1 - 一种腹腔镜器械用伸缩吸引器 - Google Patents

一种腹腔镜器械用伸缩吸引器 Download PDF

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Publication number
WO2024109485A1
WO2024109485A1 PCT/CN2023/128414 CN2023128414W WO2024109485A1 WO 2024109485 A1 WO2024109485 A1 WO 2024109485A1 CN 2023128414 W CN2023128414 W CN 2023128414W WO 2024109485 A1 WO2024109485 A1 WO 2024109485A1
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WIPO (PCT)
Prior art keywords
telescopic
suction
cavity
rod body
rod
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Application number
PCT/CN2023/128414
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English (en)
French (fr)
Inventor
屈海苹
Original Assignee
屈海苹
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Application filed by 屈海苹 filed Critical 屈海苹
Publication of WO2024109485A1 publication Critical patent/WO2024109485A1/zh

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Classifications

    • 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
    • A61B1/313—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 for introducing through surgical openings, e.g. laparoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A61M3/02—Enemata; Irrigators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves

Definitions

  • the present application relates to the technical field of medical devices, and in particular to a telescopic aspirator for laparoscopic instruments.
  • Laparoscopic surgery is a surgery performed using a laparoscope and related instruments.
  • Cold light sources are used to provide illumination, and the laparoscope lens is inserted into the abdominal cavity.
  • Digital camera technology is used to transmit the images captured by the laparoscope lens through optical fibers to the back-end signal processing system, and the images are displayed in real time on a dedicated monitor. The doctor then analyzes and judges the patient's condition through the images of the patient's organs from different angles displayed on the monitor screen, and uses special laparoscopic instruments to perform the surgery.
  • Aspirators are used during surgery to remove bleeding, exudate, pus, and contents of chest organs to make the surgery clear and reduce the chance of contamination.
  • the principle of the aspirator is to create a negative pressure state of its suction head through a certain method, so that the atmospheric pressure will squeeze the substances outside the suction head into the suction head, thereby achieving the "suction" effect.
  • the technology of integrating laparoscopic instruments and aspirators has emerged, so that the work of laparoscopic instruments and aspirators can be completed without changing instruments.
  • the existing technology has the following defects: when it is necessary to absorb deeper liquids or flush deeper parts of the abdominal cavity, the aspirator needs to be replaced when the length of the aspirator is not enough, and the replacement of instruments causes the operation time to be extended.
  • the technical problem to be solved by the present application is to overcome the defect in the prior art that when the suction device is used to suck or flush a deeper area, the suction device needs to be replaced, which prolongs the operation time, thereby providing a telescopic suction device for laparoscopic instruments.
  • a telescopic aspirator for laparoscopic instruments comprising:
  • a telescopic tube is slidably disposed at the distal end of the rod body along the length direction of the rod body and has at least a portion extending out of the rod body, and a proximal end of the telescopic tube is communicated with the suction chamber;
  • a driving assembly is arranged at the proximal end of the rod body, and the driving assembly is connected to the telescopic tube and is used to drive the telescopic tube to move along the length direction of the rod body.
  • annular boss is provided at the proximal end of the telescopic tube, and the annular boss is used to limit the outward movement of the telescopic tube.
  • a protrusion for blocking the telescopic tube is provided on the inner wall of the suction chamber at a position spaced apart from the sliding chamber.
  • the suction chamber is arranged below the clamp rod chamber.
  • the driving assembly comprises:
  • a pull rod is disposed in the suction chamber, one end of the pull rod is connected to the telescopic tube, and the pull rod extends out of the proximal end of the suction chamber;
  • a pull ring is connected to one end of the pull rod extending out of the suction cavity.
  • a through hole for passing the pull rod is provided at the proximal end of the suction cavity, and a sealing member is provided on the through hole. After the pull rod passes through the through hole, it slides in a sealed manner through the sealing member.
  • it further includes: a transfer tube fixedly arranged at the proximal end of the rod body, the transfer tube having a connecting cavity, the connecting cavity being connected with the suction cavity, and the transfer tube being bent away from the center of the rod body.
  • the transfer tube has a portion parallel to the rod body, a fixing component is slidably provided on the parallel portion, and the fixing component has a clamping structure for fixing the laparoscopic instrument.
  • a three-way valve assembly is provided at the proximal end of the transfer tube, one valve port of the three-way valve assembly is connected to an external negative pressure device, and the other valve port of the three-way valve assembly is connected to an external flushing device.
  • the telescopic aspirator for laparoscopic instruments comprises a rod body, wherein the rod body has a suction chamber and a clamp rod chamber which are arranged in parallel and isolated from each other, a telescopic tube is arranged at the distal end of the suction chamber, and the telescopic tube is driven by the driving component to realize the movement of the telescopic tube relative to the suction chamber, and the clamp rod chamber is used for slidingly setting the clamp rod of the laparoscopic instrument, the aspirator is attached to a conventional laparoscopic instrument, and can freely enter and exit the abdominal cavity following the laparoscopic instrument, and when the laparoscopic instrument is needed, the laparoscopic instrument is slid and pushed forward so that the head of the laparoscopic instrument extends out of the clamp rod chamber and exceeds the telescopic tube, and the telescopic tube will not affect the operation of the laparoscopic instrument, and when the aspirator is needed, the rod body is pushed forward so that the telescopic tube exceeds the
  • the telescopic tube When it is necessary to absorb liquid from deeper inside, the telescopic tube is pushed outward to complete the suction and flushing operations at deep locations. It has a simple structure and is easy to operate. There is no need to replace the aspirator. It has strong versatility and low cost. During the suction operation, there is no need to pull the rod body multiple times to avoid damage caused by multiple frictions between the rod body and the body.
  • the telescopic suction device for laparoscopic instruments also includes a suction nozzle, which protrudes from the distal end of the suction cavity.
  • the interior of the suction nozzle has a sliding cavity connected to the suction cavity.
  • the telescopic tube is slidably arranged in the sliding cavity.
  • the proximal end of the telescopic tube provided in the present application is provided with an annular boss, which It is limited in position during the process to avoid being pushed out and damaging the attraction structure.
  • the inner wall of the suction chamber provided in the present application has a protrusion, which is used to limit the inward movement of the telescopic tube to prevent the telescopic tube from being retracted too much in the suction chamber, resulting in a waste of time in the movement of the telescopic tube and reduced suction efficiency.
  • the suction chamber provided in the present application is arranged below the forceps rod chamber, that is, the operation of the laparoscopic instrument is at the top and the suction process is at the bottom, so as to avoid visual interference caused by the suction chamber to the operation of the laparoscopic instrument during the operation of the laparoscopic instrument.
  • the driving assembly provided in the present application includes a pull rod and a pull ring.
  • the pull ring is manually driven to realize the movement of the pull rod and the telescopic tube connected thereto.
  • the structure is simple and the operation is convenient. Only one person is required to operate it.
  • the suction chamber provided in the present application is provided with a through hole for passing the pull rod at the proximal end thereof, and a sealing member is provided on the through hole.
  • the pull rod and the sealing member are sealed and slidably connected to prevent the liquid from leaking from the proximal end of the suction chamber into the external environment and polluting the environment during the suction process.
  • the telescopic suction device for laparoscopic instruments provided in the present application also includes a transfer tube, the connecting cavity of the transfer tube is connected to the suction cavity, and the transfer tube is bent away from the center of the rod body so that the operating space and the rod body are located on the same line, which will not cause line of sight errors during the operation of the laparoscopic instrument.
  • the setting of the transfer tube will not interfere with the clamp body of the laparoscopic instrument, making the operation of the laparoscopic instrument and the suction operation more accurate, thereby ensuring the quality of the operation.
  • the adapter tube provided in the present application has a portion parallel to the rod body, and a fixing component is slidably arranged on the parallel portion.
  • the fixing component has a clamping structure for fixing the laparoscopic instrument.
  • the clamp rod of the laparoscopic instrument is driven to move in the clamp rod cavity by sliding of the fixing component, and the laparoscopic instrument is fixed to the clamping structure of the fixing component.
  • the sliding of the fixing component on the adapter tube completes the sliding of the laparoscopic instrument relative to the rod body, and the structure is simple and easy to operate.
  • the proximal end of the transfer tube provided in the present application is provided with a three-way valve assembly, one valve port of the three-way valve assembly is connected to an external negative pressure device, and the other valve port of the three-way valve assembly is connected to an external flushing device.
  • the valve assembly realizes three states of suction, flushing and closing, which is easy to operate and does not require replacement of instruments, thus improving work efficiency.
  • FIG1 is a perspective view of a specific embodiment of a telescopic aspirator for laparoscopic instruments provided in the present application;
  • Fig. 2 is a C-C view in Fig. 1;
  • FIG3 is a schematic diagram of the structure of FIG1 without the rod body
  • FIG4 is a schematic diagram of the structure of FIG1 without the telescopic tube
  • FIG5 is a partial enlarged schematic diagram of area A in FIG1 ;
  • FIG6 is a partial enlarged schematic diagram of area B in FIG1 ;
  • FIG7 is a schematic diagram of the structure of FIG1 after being installed in conjunction with a laparoscopic instrument
  • FIG8 is a schematic diagram of the connection structure between the transfer tube and the rod body in FIG1;
  • FIG9 is a schematic diagram of the structure of the laparoscopic instrument in this embodiment.
  • FIG10 is a schematic diagram of the structure of the fixing assembly in FIG1 ;
  • FIG. 11 is a schematic diagram of another installation position of the clamping structure in FIG. 10 .
  • the terms “installed”, “connected”, and “connected” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • installed should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components.
  • the telescopic aspirator for laparoscopic instruments provided in this embodiment is used to aspirate bleeding, exudates and other contents during laparoscopic surgery without changing instruments, thereby ensuring clarity during the surgery and reducing the chance of contamination.
  • the telescopic aspirator is suitable for all laparoscopic instruments that may generate smoke or require suction or flushing during work, including but not limited to: ultrasonic scalpels, bipolar coagulation, monopolar coagulation and other laparoscopic instruments.
  • a specific implementation of the telescopic suction device for laparoscopic instruments includes a rod body 1, a telescopic tube 7 and a driving assembly 8.
  • the rod body 1 has a clamp rod cavity 2 and a suction cavity 3.
  • the suction cavity 3 and the clamp rod cavity 2 are both arranged along the length direction of the rod body 1 and isolated from each other.
  • the clamp rod cavity 2 has openings at both ends, and the clamp rod cavity 2 is used for slidingly setting the clamp rod 5 of the laparoscopic instrument 4;
  • the telescopic tube 7 is slidably arranged at the distal end of the rod body 1 along the length direction of the rod body 1, and has at least a portion extending out of the rod body 1, and the proximal end of the telescopic tube 7 is connected to the suction cavity 3;
  • the driving assembly 8 is arranged at the proximal end of the rod body 1, and the driving assembly 8 is connected to the telescopic tube 7, and is used to drive the telescopic tube 7 to move along the length direction of the rod body 1.
  • the "distal end” is a position away from the operator, and the “proximal end” is a position close to the operator.
  • the suction device is installed on the conventional laparoscopic instrument 4, and follows the laparoscopic instrument 4 to enter and exit the abdominal cavity at will.
  • the laparoscopic instrument 4 is slid and pushed forward so that the head of the laparoscopic instrument 4 extends out of the clamp rod cavity 2 and exceeds the telescopic tube 7.
  • the telescopic tube 7 will not affect the operation of the laparoscopic instrument 4.
  • the suction device is needed, the rod body 1 is pushed forward, and the telescopic tube 7 exceeds the head of the laparoscopic instrument 4 to perform suction work.
  • the telescopic tube 7 is driven by the driving component 8 to continue to push it outward, so as to achieve the purpose of sucking out deep blood, flushing fluid, etc. without affecting the use of the laparoscopic instrument 4.
  • the structure is simple, the operation is convenient, there is no need to replace the suction device, the versatility is strong, the cost is low, and during the suction operation, there is no need to pull the rod body 1 multiple times, so as to avoid damage caused by multiple frictions between the rod body 1 and the body.
  • the suction device and the conventional laparoscopic instrument 4 are integrated together, and the suction device and the laparoscopic instrument 4 are detachable, so that different laparoscopic instruments 4 can be easily replaced, which has high versatility and will not cause waste of instruments.
  • the telescopic suction device for laparoscopic instruments also includes a suction nozzle 9, which is protruding from the distal end of the rod body 1.
  • the interior of the suction nozzle 9 has a sliding cavity 6, which is connected to the suction cavity 3, and the telescopic tube 7 is slidably arranged in the sliding cavity 6.
  • the suction nozzle 9 and the rod body 1 can be made by an integral injection molding process, which is low in cost and easy to use. When the part to be sucked is not deep, the suction process can be completed only by the suction nozzle 9, without pushing the telescopic tube 7. During the suction work at a normal depth, there is no need to operate the telescopic tube 7 separately.
  • the telescopic tube 7 is hidden in the rod body 1, and has a simple structure and is easy to operate.
  • the suction nozzle 9 may not be provided, and the telescopic tube 7 may be directly slidably arranged at the far end of the suction chamber 3. Each time the suction work is performed, the telescopic tube 7 is pushed outward.
  • annular boss 10 is provided at the proximal end of the telescopic tube 7, and the annular boss 10 is used to limit the outward movement of the telescopic tube 7 to prevent the telescopic tube 7 from being pushed out of the rod body 1 during the pushing process, and the suction structure is destroyed after separation from the rod body 1, and the suction work cannot be completed.
  • the proximal end of the telescopic tube 7 can also be provided with other structures, for example, it can be a square boss, so that the telescopic tube 7 can be stuck at the distal end of the suction nozzle 9 when moving outward to prevent the telescopic tube 7 from falling.
  • a protrusion 11 for blocking the telescopic tube 7 is provided on the inner wall of the suction chamber 3 at a position spaced apart from the sliding chamber 6, so as to prevent the telescopic tube from being retracted too much in the suction chamber, resulting in a waste of time in the movement of the telescopic tube and reduced suction efficiency.
  • the telescopic tube 7 can also be blocked by setting other structures, for example, a circle of annular protrusions can be set on the inner wall of the suction chamber 3 to limit it, or the suction chamber 3 can be set as a variable diameter structure, and the inner diameter of a section spaced apart from the sliding chamber 6 is set to be smaller than the outer diameter of the telescopic tube 7, and the telescopic tube 7 is limited by the difference in thickness.
  • a circle of annular protrusions can be set on the inner wall of the suction chamber 3 to limit it, or the suction chamber 3 can be set as a variable diameter structure, and the inner diameter of a section spaced apart from the sliding chamber 6 is set to be smaller than the outer diameter of the telescopic tube 7, and the telescopic tube 7 is limited by the difference in thickness.
  • the aspiration chamber 3 is arranged below the clamp rod chamber 2, so as to avoid the aspiration chamber 3 interfering with the sight of the operation of the laparoscopic instrument 4 during the operation of the laparoscopic instrument 4.
  • the aspiration chamber 3 can also be arranged in other directions of the clamp rod chamber 2.
  • the driving assembly 8 includes a pull rod 12 and a pull ring 13.
  • the pull rod 12 is arranged in the suction chamber 3.
  • One end of the pull rod 12 is connected to the telescopic tube 7.
  • the pull rod 12 extends out of the proximal end of the suction chamber 3.
  • the pull ring 13 is connected to the end of the pull rod 12 extending out of the suction chamber 3.
  • the pull ring 13 is manually driven to realize the connection with the telescopic tube 7.
  • the pull ring 13 can be used to move the pull rod 12 and the telescopic tube 7, and the structure is simple and the operation is convenient, and only one person is needed to operate the telescopic tube 7.
  • the pull ring 13 can be set to other structures that are convenient for manual hand operation.
  • the proximal end of the suction chamber 3 provided in the present embodiment is provided with a through hole 21 for passing the pull rod 12, and a seal 14 is provided on the through hole 21.
  • the seal 14 can be a seal such as silicone or rubber.
  • the through hole 21 can be provided on the side wall of the suction chamber 3, and the seal 14 is provided between the through holes 21 to complete the sealed sliding of the pull rod 12.
  • the seal 14 can be provided at the proximal end of the suction chamber 3, and a through hole 21 is opened on the seal 14.
  • the seal 14 has an extrusion property on the pull rod 12 passing through the through hole 21, thereby completing the sealing effect on it.
  • the proximal end of the rod body 1 provided in this embodiment is provided with a support platform 15, and the support platform 15 has a guide hole 16, and the end of the pull rod 12 extending out of the suction chamber 3 passes through the guide hole 16.
  • the setting of the guide hole 16 not only supports the pull rod 12, but also guides the pull rod 12 during its movement, thereby ensuring the stability of the suction device during the pulling of the pull rod 12.
  • the telescopic aspirator for laparoscopic instruments provided in this embodiment further includes a transfer tube 17, which is fixedly arranged at the proximal end of the rod body 1, and has a connecting cavity 18, which is connected to the suction cavity 3, and the transfer tube 17 is bent away from the center of the rod body 1.
  • the liquid in the suction cavity 3 is sucked out through the bent connecting cavity 18, so that the operating space and the rod body 1 are located on the same line, which will not cause line of sight errors during the operation of the laparoscopic instrument, and the setting of the transfer tube 17 will not interfere with the clamp body of the laparoscopic instrument 4, so that the operation of the laparoscopic instrument 4 and the suction operation are more accurate, ensuring the quality of the operation.
  • the transfer tube 17 has a portion parallel to the rod body 1, and a fixing component 19 is slidably arranged on the parallel portion, and the fixing component 19 has a clamping structure 22 for fixing the laparoscopic instrument 4.
  • the laparoscopic instrument 4 is fixed to the clamping structure 22 of the fixing assembly 19 by sliding, and the sliding of the fixing assembly 19 on the transfer tube 17 completes the sliding of the laparoscopic instrument 4 relative to the rod body 1, which has a simple structure and is easy to operate.
  • the fixing assembly 19 can be a sliding fixing clamp with a knob on it. When the knob is tightened, the sliding fixing clamp is fixed on the transfer tube 17. When the knob is loosened, the sliding fixing clamp can be slidably arranged on the transfer tube 17.
  • the clamping structure 22 can be an elastic clamp with a simple structure, and is easy and convenient to fix and disassemble.
  • the clamping structure 22 provided in this embodiment can be arranged at different positions of the fixing component 19.
  • the clamping structure 22 is arranged on the right side of the fixing component 19, that is, the laparoscopic instrument 4 is located on the right side of the adapter tube 17.
  • the clamping structure 22 can also be arranged on the left side of the fixing component 19, that is, the laparoscopic instrument 4 is located on the left side of the adapter tube 17.
  • a three-way valve assembly 20 is provided at the proximal end of the transfer tube 17, one valve port of the three-way valve assembly 20 is connected to an external negative pressure device, and the other valve port of the three-way valve assembly 20 is connected to an external flushing device.
  • the three states of suction, flushing and closing are realized by the three-way valve assembly 20, which is easy to operate and does not require replacement of instruments, thereby improving work efficiency.
  • the proximal end of the transfer tube 17 can also be connected to different pipelines through a three-way pipe, and a valve is separately provided on each pipeline to control the on-off of the pipeline to realize different functions of the aspirator.
  • the proximal end of the transfer tube 17 provided in this embodiment is a Luer connector, and the interface of the three-way valve assembly 20 is a Luer connector port.
  • the Luer connector is a standard medical connector that can be firmly connected and matched with other medical drainage devices. The connection is reliable and not easy to fall off.
  • the head of the suction device will be within 10-20mm behind the jaws of the laparoscopic instrument 4, that is, the suction device will not affect the operation of the laparoscopic instrument 4; when the suction device is needed, the surgeon can open the fixing component 19 with one hand according to the needs of the operation, push the suction device forward to the required length, and lock the suction device again.
  • the suction device can slide as a whole about 30mm away from the front end of the laparoscopic instrument to directly complete the suction and flushing operations, which greatly improves the surgical efficiency of the surgeon and reduces the possibility of errors in personnel coordination.
  • the pull ring 13 is pushed to push the telescopic tube 7 forward, and the telescopic tube 7 hidden in the suction nozzle 9 is pushed out, which greatly increases the suction length.
  • the telescopic tube 7 can exceed the head of the suction device by about 50 mm, and the purpose of sucking out deep blood, flushing fluid, etc. can be achieved without affecting the use of the laparoscopic instrument 4.

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Abstract

本申请提供一种腹腔镜器械用伸缩吸引器，属于医疗器械技术领域，包括杆体、伸缩管和驱动组件，杆体具有钳杆腔和吸引腔，所述吸引腔和钳杆腔均沿杆体的长度方向设置且相互隔离，所述钳杆腔两端开口，伸缩管沿所述杆体的长度方向滑动设于所述杆体的远端，并具有至少部分伸出所述杆体外，所述伸缩管的近端与所述吸引腔连通；驱动组件设置在所述杆体的近端，所述驱动组件与所述伸缩管连接，用于驱动所述伸缩管沿所述杆体的长度方向移动。本申请提供的腹腔镜器械用伸缩吸引器，将腹腔镜器械和吸引器配合安装，通过驱动组件对伸缩管的驱动，实现了伸缩管相对于吸引腔的移动，可以适应对更深处液体的吸取，无需更换吸引器，通用性强，成本低。

Description

一种腹腔镜器械用伸缩吸引器
相关申请的交叉引用
本申请要求在2022年11月23日提交中国专利局、申请号为202223139312.X、发明名称为“一种腹腔镜器械用伸缩吸引器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及医疗器械技术领域，具体涉及一种腹腔镜器械用伸缩吸引器。
背景技术
腹腔镜手术是利用腹腔镜及其相关器械进行的手术。使用冷光源提供照明，将腹腔镜镜头插入腹腔内，运用数字摄像技术使腹腔镜镜头拍摄到的图像通过光导纤维传导至后级信号处理系统，并且实时显示在专用监视器上。然后医生通过监视器屏幕上所显示患者器官不同角度的图像，对病人的病情进行分析判断，并且运用特殊的腹腔镜器械进行手术。
手术过程中会使用到吸引器，吸引器是用于吸除手术中出血、渗出物、脓液、胸腔脏器中的内容物，使手术清楚，减少污染机会。吸引器的原理就是通过一定方法制造其吸引头的负压状态，这样大气压就会将吸引头外的物质向吸引头挤压，从而完成“吸引”的效果。
现阶段为了避免在手术过程中多次更换手术器械或者多个手术开口增加手术时间及手术创伤，出现了将腹腔镜器械和吸引器集成的技术，使得不必更换器械便可完成腹腔镜器械和吸引器的工作，但是现有的技术存在以下缺陷：在遇到需要吸取更深处的液体或者需要冲洗腹腔内较深部位时，在吸引器长度不够时需要更换吸引器，更换器械导致手术时间延长。
发明内容
因此，本申请要解决的技术问题在于克服现有技术中吸引器对较深区域进行吸取或者冲洗时，需要更换吸引器导致手术时间延长的缺陷，从而提供一种腹腔镜器械用伸缩吸引器。
为了解决上述技术问题，本申请提供一种腹腔镜器械用伸缩吸引器，包括：
杆体，具有钳杆腔和吸引腔，所述吸引腔和所述钳杆腔均沿杆体的长度方向设置且相互隔离，所述钳杆腔两端开口，所述钳杆腔用于滑动设置腹腔镜器械的钳杆；
伸缩管，沿所述杆体的长度方向滑动设于所述杆体的远端，并具有至少部分伸出所述杆体外，所述伸缩管的近端与所述吸引腔连通；
驱动组件，设置在所述杆体的近端，所述驱动组件与所述伸缩管连接，用于驱动所述伸缩管沿所述杆体的长度方向移动。
可选地，还包括：吸嘴，凸出设置在所述杆体的远端，所述吸嘴的内部具有滑动腔，所述滑动腔与所述吸引腔连通，所述伸缩管滑动设于所述滑动腔中。
可选地，所述伸缩管的近端设置有环形凸台，所述环形凸台用于对所述伸缩管向外移动进行限位。
可选地，所述吸引腔内壁上在与所述滑动腔保持间隔的位置具有用于挡设所述伸缩管的凸起。
可选地，所述吸引腔设于所述钳杆腔下方。
可选地，所述驱动组件包括：
拉杆，设于所述吸引腔内，所述拉杆一端与所述伸缩管连接，所述拉杆伸出所述吸引腔的近端；
拉环，与所述拉杆的伸出所述吸引腔外的一端连接。
可选地，所述吸引腔的近端设置有用于穿出所述拉杆的通孔，所述通孔上设置有密封件，所述拉杆穿过所述通孔后通过所述密封件密封滑动。
可选地，还包括：转接管，固设于所述杆体的近端，所述转接管具有连通腔，所述连通腔与所述吸引腔连通，所述转接管通过折弯远离所述杆体的中心。
可选地，所述转接管具有部分与所述杆体平行，该平行部分上滑动设置有固定组件，所述固定组件具有用于固定所述腹腔镜器械的卡接结构。
可选地，所述转接管的近端设有三通阀组件，所述三通阀组件的一个阀口与外部负压设备连接，所述三通阀组件的另一个阀口与外部冲洗设备连接。
本申请技术方案，具有如下优点：
1.本申请提供的腹腔镜器械用伸缩吸引器，包括杆体，杆体内具有平行设置且相互隔离的吸引腔和钳杆腔，吸引腔远端设置有伸缩管，通过驱动组件对伸缩管的驱动，实现了伸缩管相对于吸引腔的移动，钳杆腔用于滑动设置所述腹腔镜器械的钳杆，将吸引器附着在常规的腹腔镜器械上，跟随腹腔镜器械随意进出腹腔，需要使用腹腔镜器械时，将腹腔镜器械滑动往前推动，使腹腔镜器械的头部伸出钳杆腔，且超过伸缩管，伸缩管不会影响腹腔镜器械的操作，当需要使用吸引器时，将杆体向前推动，伸缩管超过腹腔镜器械的头部，进行吸引工作，节省空间，操作简单，解决了腹腔镜手术时，及时排放废气、废液这一问题，确保腹腔镜手术视野清晰度，有效缩短手术时间。
需要吸取更深处的液体时，将伸缩管向外推出，完成对深处位置的吸引和冲洗操作，结构简单，操作方便，无需更换吸引器，通用性强，成本低，并且在吸引的操作过程中，无需多次对杆体进行抽拉，避免杆体与体内多次摩擦造成损伤。
2.本申请提供的腹腔镜器械用伸缩吸引器还包括吸嘴，吸嘴凸出设于吸引腔远端，吸嘴内部具有与吸引腔连通的滑动腔，伸缩管滑动设于滑动腔中，当需要吸引的部位不是较深处，仅通过吸嘴便可完成吸引过程，无需推动伸缩管，在对正常深度的吸引工作中，无需另外进行操作伸缩管，结构简单，操作方便。
3.本申请提供的伸缩管的近端设置有环形凸台，在将伸缩管向外推出的过 程中对其进行限位，避免将其推出，破坏吸引结构。
4.本申请提供的吸引腔内壁具有凸起，凸起用于对伸缩管的向内移动进行限位，避免伸缩管在吸引腔中被收回过多，导致伸缩管的移动浪费较多时间，降低了吸取效率。
5.本申请提供的吸引腔设于钳杆腔下方，即腹腔镜器械的操作在上方，吸引的过程在下方，避免在腹腔镜器械的操作过程中，吸引腔对腹腔镜器械的操作造成视线干扰。
6.本申请提供的驱动组件包括拉杆和拉环，通过人工驱动拉环，实现了与其连接的拉杆和伸缩管的移动，结构简单，操作方便，仅需一个人便可实现对其的操作。
7.本申请提供的吸引腔近端设置有用于穿出拉杆的通孔，通孔上设置密封件，拉杆和密封件之间密封滑动连接，避免液体在吸出的过程中，从吸引腔的近端渗出至外部环境中造成污染环境。
8.本申请提供的腹腔镜器械用伸缩吸引器还包括转接管，转接管的连通腔与吸引腔连通，转接管通过折弯远离杆体的中心，使得操作空间与杆体位于同一条线上，不会造成腹腔镜器械操作时的视线误差，转接管的设置不会和腹腔镜器械的钳体产生干涉，使得腹腔镜器械的操作和吸引的操作更加准确，保证了手术的质量。
9.本申请提供的转接管具有部分与杆体平行，该平行部分上滑动设置有固定组件，固定组件具有用于固定腹腔镜器械的卡接结构，通过固定组件的滑动，带动腹腔镜器械的钳杆在钳杆腔内移动，将腹腔镜器械固定于固定组件的卡接结构上，固定组件在转接管上的滑动完成了腹腔镜器械相对于杆体的滑动，结构简单，操作方便。
10.本申请提供的转接管的近端设有三通阀组件，三通阀组件的一个阀口与外部负压设备连接，三通阀组件的另一个阀口与外部冲洗设备连接，通过三通 阀组件实现吸引、冲洗和关闭三种状态，操作方便，无需更换器械，提高了工作效率。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请中提供的腹腔镜器械用伸缩吸引器的一种具体实施方式的立体图；
图2为图1中的C-C视图；
图3为图1中去掉杆体的结构示意图；
图4为图1中去掉伸缩管的结构示意图；
图5为图1中A区域的局部放大示意图；
图6为图1中B区域的局部放大示意图；
图7为图1与腹腔镜器械配合安装后的结构示意图；
图8为图1中转接管和杆体的连接结构示意图；
图9为本实施例中腹腔镜器械的结构示意图；
图10为图1中固定组件的结构示意图；
图11为图10中的卡接结构的另一种安装位置示意图。
附图标记说明：
1、杆体；2、钳杆腔；3、吸引腔；4、腹腔镜器械；5、钳杆；6、滑动腔；7、伸缩管；8、驱动组件；9、吸嘴；10、环形凸台；11、凸起；12、拉杆；13、拉环；14、密封件；15、支撑台；16、导向孔；17、转接管；18、连通腔；19、 固定组件；20、三通阀组件；21、通孔；22、卡接结构。
具体实施方式
下面将结合附图对本申请的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
此外，下面所描述的本申请不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
本实施例提供的腹腔镜器械用伸缩吸引器，用于在腹腔镜手术中无需更换器械对手术中的出血、渗出物等内容物进行吸引，保证了手术过程中的清楚，减少了污染机会，伸缩吸引器适用于所有在工作中可能产生烟雾或需要吸引、冲洗的腔镜器械，包括但不限于：超声刀、双极电凝、单极电凝以及其他的腔镜用的器械等。
如图1-3所示，为本实施例提供的腹腔镜器械用伸缩吸引器的一种具体实施方式，包括杆体1、伸缩管7和驱动组件8，杆体1具有钳杆腔2和吸引腔3，所述吸引腔3和所述钳杆腔2均沿杆体1的长度方向设置且相互隔离，所述钳杆腔2两端开口，所述钳杆腔2用于滑动设置腹腔镜器械4的钳杆5；伸缩管7沿所述杆体1的长度方向滑动设于所述杆体1的远端，并具有至少部分伸出所述杆体1外，所述伸缩管7的近端与所述吸引腔3连通；驱动组件8设置在所述杆体1的近端，所述驱动组件8与所述伸缩管7连接，用于驱动所述伸缩管7沿所述杆体1的长度方向移动。其中，“远端”为远离操作者的位置，“近端”为靠近操作者的位置，将吸引器安装在常规的腹腔镜器械4上，跟随腹腔镜器械4随意进出腹腔，需要使用腹腔镜器械4时，将腹腔镜器械4滑动往前推动，使腹腔镜器械4的头部伸出钳杆腔2，且超过伸缩管7，伸缩管7不会影响腹腔镜器械4的操作，当需要使用吸引器时，将杆体1向前推动，伸缩管7超过腹腔镜器械4的头部，进行吸引工作，当需要吸取更深处的液体、或冲洗腹腔内较深部位时，通过驱动组件8对伸缩管7进行驱动，将其向外继续推出，可实现在不影响腹腔镜器械4使用的前提下，将深部血液、冲洗液等抽吸干净的目的，结构简单，操作方便，无需更换吸引器，通用性强，成本低，并且在吸引的操作过程中，无需多次对杆体1进行多次抽拉，避免杆体1与体内多次摩擦造成损伤。
通过吸引器与常规腹腔镜器械4的配合，完成了对吸引器和腹腔镜器械4的集成，同时吸引器和腹腔镜器械4为可拆卸状态，便于更换不同的腹腔镜器械4，通用性强，不会造成器械浪费。
如图1-4所示，本实施例提供的腹腔镜器械用伸缩吸引器，还包括吸嘴9，所述吸嘴9凸出设置在所述杆体1的远端，所述吸嘴9的内部具有滑动腔6，所述滑动腔6与所述吸引腔3连通，所述伸缩管7滑动设于所述滑动腔6中。吸嘴9和杆体1可以采用一体注塑工艺制成，成本低，使用方便。当需要吸引的部位不是较深处，仅通过吸嘴9便可完成吸引过程，无需推动伸缩管7，在 对正常深度的吸引工作中，无需另外进行操作伸缩管7，伸缩管7隐藏在杆体1中，结构简单，操作方便。另外，作为一种可替换实施方式，也可以不设置吸嘴9，将伸缩管7直接滑动设于吸引腔3的远端，在每次进行吸引的工作时，均将伸缩管7进行向外推出的动作。
如图3所示，本实施例提供的腹腔镜器械用伸缩吸引器中，伸缩管7的近端设置有环形凸台10，所述环形凸台10用于对所述伸缩管7向外移动进行限位，避免在推动的过程中将伸缩管7推出杆体1，与杆体1分离后破坏了吸引结构，无法完成吸引工作，另外，作为一种可替换实施方式，伸缩管7的近端也可以设置有其他结构，例如可以是方形凸台，使得伸缩管7在向外移动时将其能卡设在吸嘴9的远端即可，避免伸缩管7掉落。
如图5所示，本实施例提供的腹腔镜器械用伸缩吸引器中，吸引腔3内壁上在与所述滑动腔6保持间隔的位置具有用于挡设所述伸缩管7的凸起11，避免伸缩管在吸引腔中被收回过多，导致伸缩管的移动浪费较多时间，降低了吸取效率。另外，作为一种可替换实施方式，也可以通过设置其他结构对伸缩管7进行挡设，例如可以在吸引腔3的内壁上设置一圈环形凸起对其进行限位，也可以将吸引腔3设置为变径结构，将与滑动腔6保持间隔的一段的内径设置为小于伸缩管7的外径，通过粗细差异，完成对伸缩管7的限位。
如图1-4所示，本实施例提供的腹腔镜器械用伸缩吸引器中，所述吸引腔3设于所述钳杆腔2下方，避免在腹腔镜器械4的操作过程中，吸引腔3对腹腔镜器械4的操作造成视线干扰。另外，作为一种可替换实施方式，吸引腔3也可以设置在钳杆腔2的其他方向上。
如图3所示，本实施例提供的腹腔镜器械用伸缩吸引器中，所述驱动组件8包括拉杆12和拉环13，拉杆12设于所述吸引腔3内，所述拉杆12一端与所述伸缩管7连接，所述拉杆12伸出所述吸引腔3的近端，拉环13与所述拉杆12的伸出所述吸引腔3外的一端连接。通过人工驱动拉环13，实现了与其连接 的拉杆12和伸缩管7的移动，结构简单，操作方便，仅需一个人便可实现对伸缩管7的操作。另外，作为一种可替换实施方式，拉环13可以设置为其它便于人工手部操作的结构。
如图6所示，本实施例提供的吸引腔3的近端设置有用于穿出所述拉杆12的通孔21，所述通孔21上设置有密封件14，所述拉杆12穿过所述通孔21后通过所述密封件14密封滑动。避免液体在吸出的过程中，从吸引腔3的近端渗出至外部环境中造成污染环境。密封件14可以为硅胶或者橡胶等密封件，通孔21可以设置在吸引腔3的侧壁上，在通孔21之间设置密封件14，完成拉杆12的密封滑动，另外，作为一种可替换实施方式，可以将密封件14设置在吸引腔3的近端，在密封件14上开设通孔21，密封件14对穿过通孔21的拉杆12具有挤压性，进而完成对其的密封作用。
如图6所示，本实施例提供的杆体1的近端设置有支撑台15，所述支撑台15上具有导向孔16，所述拉杆12的伸出所述吸引腔3外的一端穿过所述导向孔16。导向孔16的设置不仅对拉杆12起到了支撑作用，也在拉杆12移动过程中起到了导向的作用，保证了在对拉杆12拉动过程中吸引器的稳定性。
如图7-9所示，本实施例提供的腹腔镜器械用伸缩吸引器中，还包括转接管17，转接管17固设于所述杆体1的近端，所述转接管17具有连通腔18，所述连通腔18与所述吸引腔3连通，所述转接管17通过折弯远离所述杆体1的中心。将吸引腔3中的液体通过折弯后的连通腔18进行吸引出，使得操作空间与杆体1位于同一条线上，不会造成腹腔镜器械操作时的视线误差，转接管17的设置不会和腹腔镜器械4的钳体产生干涉，使得腹腔镜器械4的操作和吸引的操作更加准确，保证了手术的质量。
如图7和图10所示，本实施例提供的腹腔镜器械用伸缩吸引器中，转接管17具有部分与所述杆体1平行，该平行部分上滑动设置有固定组件19，所述固定组件19具有用于固定所述腹腔镜器械4的卡接结构22。通过固定组件19的 滑动，带动腹腔镜器械4的钳杆5在钳杆腔2内移动，将腹腔镜器械4固定于固定组件19的卡接结构22上，固定组件19在转接管17上的滑动完成了腹腔镜器械4相对于杆体1的滑动，结构简单，操作方便。固定组件19可以为滑动固定夹，其上具有旋钮，旋紧旋钮时，滑动固定夹固定设于转接管17上，松开旋钮时，滑动固定夹可滑动设于转接管17上，卡接结构22可以为弹性夹，结构简单，并且固定和拆卸简单方便。
如图10和图11所示，本实施例提供的卡接结构22可以设于固定组件19的不同方位处，例如卡接结构22设于固定组件19的右侧，即腹腔镜器械4位于转接管17的右侧，卡接结构22也可以设于固定组件19的左侧，即腹腔镜器械4位于转接管17的左侧，当使用不同方位的固定组件19时，仅需将杆体1和转接管17进行相应的旋转，以实现转接管17和腹腔镜器械4之间的相对位置的变化，满足了不同医生的左右手的习惯操作，也可以针对不同器械的使用情况进行不同的选择。
如图7所示，本实施例提供的腹腔镜器械用伸缩吸引器中，转接管17的近端设有三通阀组件20，所述三通阀组件20的一个阀口与外部负压设备连接，所述三通阀组件20的另一个阀口与外部冲洗设备连接。通过三通阀组件20实现吸引、冲洗和关闭三种状态，操作方便，无需更换器械，提高了工作效率。另外，作为一种可替换实施方式，转接管17的近端也可以通过三通管与不同的管路连接，每个管路上单独设置阀门进行控制管路的通断，以实现吸引器不同的功能。
本实施例提供的转接管17的近端为鲁尔接头，三通阀组件20的接口为鲁尔接头端口，鲁尔接头为标准医用接头，可与其他医用引流设备牢固连接配合，连接可靠，不易脱落。
工作过程：在进行腹腔镜手术时，提前将吸引器和腹腔镜器械4进行安装，将腹腔镜器械4的钳杆5插设于钳杆腔2中，然后将卡接结构22与腹腔镜器械 4的钳体连接，使得吸引器与腹腔镜器械4成为一体，跟随腹腔镜器械4随意进出腹腔；在进行手术时，将吸引器滑动回到后方，通过固定组件19将吸引器锁紧，此时吸引器的头部会在腹腔镜器械4的钳口后部10-20mm内，即吸引器不会影响腹腔镜器械4的操作；当需要使用吸引器时，主刀医生可根据手术需要，单手打开固定组件19，向前推动吸引器到所需长度，并再次锁紧吸引器，吸引器可以整体滑动距离腹腔镜器械前端约30mm，直接完成吸引和冲洗操作，极大的提升主刀医生的手术效率，减少了人员配合出错的可能。
在一些手术中，若需要吸取更深处的液体、或冲洗腹腔内较深部位时，通过对拉环13的推动，将伸缩管7向前推动，推出隐藏在吸嘴9中的伸缩管7，大大增加了吸引长度，伸缩管7可以超过吸引器头部约50mm，可实现在不影响腹腔镜器械4使用的前提下，将深部血液、冲洗液等抽吸干净的目的。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引申出的显而易见的变化或变动仍处于本申请的保护范围之中。

Claims (10)

  1. 一种腹腔镜器械用伸缩吸引器，其特征在于，包括：
    杆体(1)，具有钳杆腔(2)和吸引腔(3)，所述吸引腔(3)和所述钳杆腔(2)均沿杆体(1)的长度方向设置且相互隔离，所述钳杆腔(2)两端开口，所述钳杆腔(2)用于滑动设置腹腔镜器械(4)的钳杆(5)；
    伸缩管(7)，沿所述杆体(1)的长度方向滑动设于所述杆体(1)的远端，并具有至少部分伸出所述杆体(1)外，所述伸缩管(7)的近端与所述吸引腔(3)连通；
    驱动组件(8)，设置在所述杆体(1)的近端，所述驱动组件(8)与所述伸缩管(7)连接，用于驱动所述伸缩管(7)沿所述杆体(1)的长度方向移动。
  2. 根据权利要求1所述的腹腔镜器械用伸缩吸引器，其特征在于，还包括：吸嘴(9)，凸出设置在所述杆体(1)的远端，所述吸嘴(9)的内部具有滑动腔(6)，所述滑动腔(6)与所述吸引腔(3)连通，所述伸缩管(7)滑动设于所述滑动腔(6)中。
  3. 根据权利要求2所述的腹腔镜器械用伸缩吸引器，其特征在于，所述伸缩管(7)的近端设置有环形凸台(10)，所述环形凸台(10)用于对所述伸缩管(7)向外移动进行限位。
  4. 根据权利要求2所述的腹腔镜器械用伸缩吸引器，其特征在于，所述吸引腔(3)内壁上在与所述滑动腔(6)保持间隔的位置具有用于挡设所述伸缩管(7)的凸起(11)。
  5. 根据权利要求1所述的腹腔镜器械用伸缩吸引器，其特征在于，所述吸引腔(3)设于所述钳杆腔(2)下方。
  6. 根据权利要求1所述的腹腔镜器械用伸缩吸引器，其特征在于，所述驱动组件(8)包括：
    拉杆(12)，设于所述吸引腔(3)内，所述拉杆(12)一端与所述伸缩管(7)连接，所述拉杆(12)伸出所述吸引腔(3)的近端；
    拉环(13)，与所述拉杆(12)的伸出所述吸引腔(3)外的一端连接。
  7. 根据权利要求6所述的腹腔镜器械用伸缩吸引器，其特征在于，所述吸引腔(3)的近端设置有用于穿出所述拉杆(12)的通孔(21)，所述通孔(21)上设置有密封件(14)，所述拉杆(12)穿过所述通孔(21)后通过所述密封件(14)密封滑动。
  8. 根据权利要求1所述的腹腔镜器械用伸缩吸引器，其特征在于，还包括：转接管(17)，固设于所述杆体(1)的近端，所述转接管(17)具有连通腔(18)，所述连通腔(18)与所述吸引腔(3)连通，所述转接管(17)通过折弯远离所述杆体(1)的中心。
  9. 根据权利要求8所述的腹腔镜器械用伸缩吸引器，其特征在于，所述转接管(17)具有部分与所述杆体(1)平行，该平行部分上滑动设置有固定组件(19)，所述固定组件(19)具有用于固定所述腹腔镜器械(4)的卡接结构(22)。
  10. 根据权利要求8所述的腹腔镜器械用伸缩吸引器，其特征在于，所述转接管(17)的近端设有三通阀组件(20)，所述三通阀组件(20)的一个阀口与外部负压设备连接，所述三通阀组件(20)的另一个阀口与外部冲洗设备连接。
PCT/CN2023/128414 2022-11-23 2023-10-31 一种腹腔镜器械用伸缩吸引器 WO2024109485A1 (zh)

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