WO2020071644A1 - Dispositif d'évacuation de fumée et trocart le comprenant - Google Patents

Dispositif d'évacuation de fumée et trocart le comprenant

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Publication number
WO2020071644A1
WO2020071644A1 PCT/KR2019/011303 KR2019011303W WO2020071644A1 WO 2020071644 A1 WO2020071644 A1 WO 2020071644A1 KR 2019011303 W KR2019011303 W KR 2019011303W WO 2020071644 A1 WO2020071644 A1 WO 2020071644A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow
coupled
trocar
smoke
button
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2019/011303
Other languages
English (en)
Korean (ko)
Inventor
조재호
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meere Co Inc
Original Assignee
Meere Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Meere Co Inc filed Critical Meere Co Inc
Publication of WO2020071644A1 publication Critical patent/WO2020071644A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
    • 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
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B2017/3437—Cannulas with means for removing or absorbing fluid, e.g. wicks or absorbent pads
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation
    • A61B2218/006—Irrigation for smoke evacuation

Definitions

  • the present invention relates to a smoke exhaust device and a trocar comprising the same. More specifically, the present invention allows the practitioner to discharge smoke generated in the human body to the outside with only a simple operation during the procedure using the trocar and surgical instruments, thereby improving the convenience of the operator, The present invention relates to a smoke discharge device capable of blocking a possibility of a medical accident that may occur due to clouding of vision due to smoke generated inside, and a trocar including the same.
  • laparoscopic surgery is being performed to minimize the incision of the skin and to rapidly recover the patient.
  • This laparoscopic surgery is a surgical method performed while observing the surgical site of the abdominal cavity by making a tube through the patient's abdomen using a surgical instrument called Trocar and entering a surgical instrument such as an endoscope into the surgical site in the abdominal cavity. It is widely used throughout general surgical procedures such as surgery, cholecystectomy, biliary calculus removal, appendectomy.
  • Trocar refers to a medical instrument used to access the abdominal cavity, which is inserted into the body through a patient's belly button or skin incision and fixed to the top of the exposed cannula. It is configured to include a main body.
  • gas CO 2
  • inflate the patient's body an inflated gas
  • abdominal pressure By automatically supplying gas, the abdominal pressure is kept constant.
  • the electrocautery device is used in the abdominal cavity. Smoke may occur, which frequently pollutes the gas (CO 2 ) and turbidizes the visual field inside the abdominal cavity.
  • Patent Document 0001 Republic of Korea Patent Publication No. 10-2009-0095711 (published date: September 10, 2009, name: medical trocar)
  • Patent Document 0002 Korean Registered Patent Publication No. 10-0924928 (Registration Date: October 28, 2009, Name: Trocar's valve structure)
  • the present invention allows the practitioner to discharge smoke generated in the human body to the outside in a short period of time with a simple operation in the course of performing a procedure using a trocar and surgical instrument, while improving the operator's convenience while viewing the inside of the human body It is a technical task to provide a smoke discharge device capable of blocking a possibility of a medical accident that may occur due to turbidity and a trocar including the same.
  • the present invention is to provide a smoke discharge device capable of suppressing an increase in manufacturing cost arising in the process of adding a smoke discharge function to the trocar and a trocar including the same.
  • the present invention for solving this technical problem is a smoke discharging device coupled to a trocar, a coupling part that is coupled to the trocar and is formed with a first hollow, coupled to the coupling part and in communication with the first hollow 2
  • the body is formed with a discharge port that can communicate with the hollow and the second hollow and is coupled to the body and is moved according to a user's operation to communicate the second hollow and the discharge port to smoke the first hollow, the first 2 hollow, including a button portion for discharging to the outside through the outlet.
  • Smoke discharging device is coupled to the end fixed to the body portion from both ends of the button portion is sealed between the body portion and the button portion O-ring (O-ring) to prevent gas leakage for maintaining the abdominal pressure It characterized in that it further comprises.
  • the smoke discharging device closes the communication path between the second hollow and the outlet by contacting the button portion with the body portion when there is no user manipulation, and in the case of the user operation, the button portion from the body portion It characterized in that it further comprises a communication unit to open the communication path between the second hollow and the outlet spaced apart.
  • the communication portion includes a spring in which one end is in contact with the engaging portion and the other end is in contact with the button portion.
  • the communication part includes a first magnet part coupled to the body part and a second magnet part coupled to the button part and having a polarity opposite to that of the first magnet part. Is done.
  • the coupling portion is characterized in that the coupling pattern portion formed on the trocar is detachably coupled.
  • the trocar according to the present invention comprises a bushing module, a cannula coupled to the bushing module and a smoke draining device coupled to the bushing module or the cannula, the smoke draining device being coupled to the bushing module or the cannula and 1
  • the coupling part is formed with a hollow
  • the body part is formed with a second outlet and a second hollow and a communication port communicating with the first hollow and is coupled to the coupling part
  • the body part is coupled to the user operation It includes a button portion for discharging smoke to the outside through the first hollow, the second hollow, the outlet by moving the position along the second hollow and the outlet.
  • the smoke discharging device is coupled to an end fixed to the body part from both ends of the button part to seal between the body part and the button part to prevent gas leakage for maintaining double pressure. It characterized in that it further comprises an O-ring (O-ring).
  • the smoke discharging device closes the communication path between the second hollow and the outlet by contacting the button portion to the body when there is no user manipulation, and when there is the user manipulation It characterized in that it further comprises a communication portion for opening the communication path between the second hollow and the outlet spaced apart from the button portion of the body.
  • the communication portion is characterized in that it comprises a spring in which one end is in contact with the engaging portion and the other end is in contact with the button portion.
  • the communication unit includes a first magnet unit coupled to the body unit and a second magnet unit coupled to the button unit and having a polarity opposite to that of the first magnet unit. do.
  • the coupling portion is characterized in that detachably coupled to the coupling pattern portion formed on the side surface of the bushing module or the cannula.
  • the coupling portion and the coupling pattern portion are characterized in that they are detachably coupled by a screw coupling method.
  • an exhaust hole is formed at one side of the cannula.
  • the gas for maintaining the abdominal pressure is characterized in that it contains carbon dioxide (CO 2 ).
  • the operator in the course of performing a procedure using a trocar and surgical instrument, the operator can discharge smoke generated in the human body to the outside in a short time with a simple operation, thereby improving the convenience of the operator, There is an effect of providing a smoke discharge device and a trocar including the smoke discharge device that can block the possibility of a medical accident that may occur due to clouding of the internal field of view.
  • FIG. 1 is a perspective view of a smoke discharge device according to an embodiment of the present invention
  • FIG. 2 is a front view of a smoke discharge device according to an embodiment of the present invention
  • FIG. 3 is a side view of a smoke discharge device according to an embodiment of the present invention.
  • Figure 4 is an exploded perspective view of a smoke discharge device according to an embodiment of the present invention.
  • FIG. 5 is a perspective view showing a method of configuring a trocar according to an embodiment of the present invention, the smoke discharge device according to an embodiment of the present invention is coupled to the bushing module,
  • FIG. 6 is a cut-away perspective view showing a method of constructing a trocar by combining a smoke discharging device according to an embodiment of the present invention with a bushing module,
  • FIG. 7 is a spring-type communication action, a cross-sectional view of a smoke discharge device and a bushing module in a state in which a user presses a button,
  • FIG. 8 is a cross-sectional view of a smoke discharge device and a bushing module in a state in which a user does not press a button in a spring-type communication action
  • FIG. 9 is a combined cross-sectional view of a smoke discharging device and a bushing module in a state in which a user presses a button in a magnetic type communication action
  • FIG. 10 is a cross-sectional view showing a combination of a smoke discharging device and a bushing module in a state in which a user does not press a button in a magnet type communication action.
  • first or second may be used to describe various components, but the components should not be limited by the terms. The above terms are only for the purpose of distinguishing one component from other components, for example, without departing from the scope of rights according to the concept of the present invention, the first component may be referred to as the second component and similarly the second component The component may also be referred to as the first component.
  • the laparoscopic procedure has been mainly described to describe the present invention
  • the present invention is not limited to laparoscopic procedures, and can be applied to any procedure requiring removal of smoke generated during the procedure.
  • FIG. 1 is a perspective view of a smoke discharge device according to an embodiment of the present invention
  • FIG. 2 is a front view of a smoke discharge device according to an embodiment of the present invention
  • FIG. 3 is a smoke discharge device according to an embodiment of the present invention Side view
  • Figure 4 is an exploded perspective view of a smoke discharge device according to an embodiment of the present invention
  • Figure 5 is a smoke discharge device according to an embodiment of the present invention is coupled to the bushing module in one embodiment of the present invention
  • FIG. 6 is a cutaway perspective view showing a method of constructing a trocar according to an embodiment of the present invention in which a smoke discharge device according to an embodiment of the present invention is coupled to a bushing module.
  • an embodiment of the present invention as a smoke discharge device 10 that can be detachably coupled to the trocar (1), the engaging portion 20, the body portion 30, the button It includes a portion 40, the communication portion (50, 52, 54), the outlet 310 and O-ring (O-ring, 60).
  • the configuration of the trocar 1 on which the smoke discharge device 10 is mounted will be exemplarily described.
  • the trocar 1 equipped with the smoke exhaust device 10 may include a bushing module 3, a penetration module 2, and a cannula 4, but this It is only an example, and at least two parts of the bushing module 3, the penetrating module 2, and the cannula 4 may be configured as one integrated part.
  • the trocar 1 according to an embodiment of the present invention will be described by taking the case where the bushing module 3, the penetrating module 2, and the cannula 4 are configured as separate parts.
  • the penetrating module 3 may be detachably coupled to the penetrating module 2 and the cannula 4, and a laparoscopic surgical instrument inserted into the human body in the course of laparoscopic surgery (for example, an electric cauterizer (Energy) device), not shown).
  • a laparoscopic surgical instrument inserted into the human body in the course of laparoscopic surgery (for example, an electric cauterizer (Energy) device), not shown).
  • a coupling pattern portion 5 is formed on which a coupling portion 20 constituting a smoke discharge device 10 according to an embodiment of the present invention is coupled.
  • the coupling pattern part 5 is represented as being formed on the side surface of the bushing module 3, this is only one example, and the coupling pattern part 5 may be formed on the side surface of the cannula 4.
  • the penetrating module 2 may be detachably coupled to the upper end of the penetrating module 3 to penetrate the penetrating module 3 and the cannula 4.
  • the cannula 4 is inserted into the bushing module 3 at the lower end of the bushing module 3 and can be detachably coupled to the bushing module 3, and the cannula 4 is the bushing module 3 ),
  • An exhaust hole 510 is formed on one side of the cannula 4 for communication with the smoke discharge device 10 described later.
  • the cannula 4 separated from the bushing module 3 may have a reusable material, and specific materials of the cannula 4 may include polymers, metals, and metal alloys, but are not limited thereto, and high temperature and high pressure And / or any material that can be reused after cleaning with a chemical can be applied to the cannula 4.
  • the surgeon inserts the cannula (4) inwardly from the lower end of the bushing module (3) and the bushing module (2) penetrates the bushing module (3) and the cannula (4).
  • the trocar (1) is placed in the surgical site and the incision module (2) is pressed to make an incision in the human body, and a cannula (4) is inserted into the incision to a certain depth. It is possible to proceed with laparoscopic surgery by inserting the penetrating module 3 and the cannula 4 into the human body through the laparoscopic surgical instrument by removing and removing the penetrating module 2 while the cannula 4 is inserted. .
  • the operator may need to remove tissue in the human body or stop bleeding using surgical instruments such as monopolar and bipolar (electrocautery). A situation arises in which the internal field of view becomes cloudy.
  • the smoke discharge device is a device that allows the operator to perform the smoke discharge operation simply and quickly.
  • the coupling part 20 is coupled to the bushing module 3 or the cannula 4, and a first hollow 110 providing a smoke discharge path is formed therein.
  • the coupling portion 20 constituting the smoke discharge device 10 may be configured to be detachably coupled to the coupling pattern portion 5 formed on the side surface of the bushing module 3 by a screw coupling method.
  • the coupling pattern portion 5 may be formed on the side surface of the cannula 4.
  • an opening for smoke discharge may be formed on a side surface of the bushing module 3, and the coupling pattern portion 5 has a cylindrical shape extending outward from the opening, and on the outer circumferential surface of the cylinder It may be configured to be provided with a thread for screw coupling with the engaging portion 20.
  • the coupling portion 20 may be configured to be screw-coupled with the coupling pattern portion 5 having such a structure, and the inner circumferential surface thereof may be configured to have a thread having a shape corresponding to the threads provided in the coupling pattern portion 5. .
  • the body portion 30 is detachably coupled to the coupling portion 20, and the body portion 30 has a second hollow 210 and a second communicating with the first hollow 110 provided in the coupling portion 20 An outlet 310 that can communicate with the hollow 210 is formed.
  • the body portion 30 and the coupling portion 20 may be combined by a screw coupling method or an interference fit method, but may also be configured integrally with each other, and the body portion 30 may have an interior.
  • the second hollow 210 in communication with the first hollow 110 provided in the coupling portion 20 may be configured to have a cylindrical shape.
  • the body portion 30 having a cylindrical shape is a first region coupled to the coupling portion 20, a third region present at a position opposite to the first region and between the first region and the third region It can be divided into a second region.
  • the diameter of the third region of the body portion 30 may be smaller than the second region, and the diameter of the second region may be smaller than the first region, and accordingly, the outer peripheral surfaces of the first region and the second region And a step corresponding to the difference in diameter between the first and second regions on the inner circumferential surface, and a step corresponding to the difference in diameter between the second region and the third region on the outer and inner circumferential surfaces of the second and third regions. do.
  • the button portion 40 to be described later is inserted through the hollow located in the first region of the body portion 30 to protrude outward through the hollow located in the third region, and the third portion of the body portion 30
  • a plurality of outlets 310 are formed on the outer circumferential surface. The smoke discharge process through the outlet 310 will be described later.
  • the button portion 40 is coupled to the body portion 30 and moves to a position according to a user's operation to communicate the second hollow 210 and the outlet 310 provided in the body portion 30 so that the smoke is first hollow 110 ), The second hollow 210, and discharged through the outlet 310 to the outside.
  • the communication unit (50,52,54) is a user operation, for example, when there is no user's pressing action, the button portion 40 is in close contact with the body portion 30 between the second hollow 210 and the outlet 310 Blocking the communication path, on the contrary, when there is a user's pressing action, forms a communication path between the second hollow 210 and the outlet 310.
  • the communication portion may include a spring 50, one end of which is pressed into contact with the engaging portion 20 and the other end of which is pressed into contact with the button portion 40.
  • the communication portion is fixed to the first magnet portion 52 and the button portion 40 fixedly coupled to the body portion 30 and the second magnet portion 54 having the opposite polarity to the first magnet portion 52 ).
  • the O-ring 60 is formed in a portion of the second region of the body portion 30 where the button portion 40 is in contact with the body portion 30, thereby leaking a gas for maintaining abdominal pressure such as carbon dioxide (CO 2 ) injected into the body. It does not function to maintain abdominal pressure.
  • CO 2 carbon dioxide
  • FIG. 7 is a cross-sectional view of a trocar smoke discharge device 10 and a bushing module 3 in which a user presses the button unit 40 in a spring-type communication action.
  • the body unit 30 when the operator presses the button unit 40 because it is difficult to secure a field of view due to smoke generated when the operator uses a surgical tool such as an electric cauterizer to cut human tissue or hemostasis, the body unit 30 )
  • One end of the spring 50 located in the second hollow 210 inside is pressed into contact with the engaging portion 20 and the other end of the spring 50 is pressed into contact with the protrusion 410 formed in the button portion 40
  • the button part 40 moves toward the coupling part 20 by the external force provided by the operator.
  • the protrusion 410 formed in the button portion 40 and the locking jaw 320 formed in the body portion 30 are separated.
  • FIG. 8 shows a combination of a trocar smoke discharge device 10 and a bushing module 3 when the external force by the operator does not act on the button unit 40 after discharging the generated smoke in the spring-type communication action. It is a cross section.
  • one end of the spring 50 positioned in the second hollow 210 inside the body part 30 is pressed against the coupling part 20 and the other end of the spring 50 is a button part 40 It is in pressure contact with the projection 410 formed in.
  • the button part 40 moves to the original position by the elastic force of the spring 50, and then the O-ring 60 formed on one side of the protruding part 410 of the button part 40 has a body part 30. It is caught in the locking jaw 320 formed in.
  • FIG 9 is a combined cross-sectional view of the trocar smoke discharge device 10 and the bushing module 3 in a state in which the user presses the button unit 40 in the magnetism-type communication action.
  • the button portion 40 when the operator presses the button portion 40, the first magnet portion 52 and the button portion 40 fixedly coupled to the locking jaw 320 provided in the body portion 30 are provided. Since the external force applied by the operator is greater than the attraction force between the second magnet parts 54 fixedly coupled to the protrusion part 410, the button part 40 moves toward the engagement part 20.
  • the second magnet portion 54 coupled to the button portion 40 and the first magnet portion coupled to the body portion 30 Since the separation space is created by the separation of the 52 and the communication path between the second hollow 210 and the outlet 310 is formed, the smoke generated in the abdominal cavity of the human body cannula (4), bushing module (3), coupled Provided inside the body portion 30 through the first hollow 110 provided inside the coupling portion 20 constituting the hollow and smoke discharge device 10 provided inside the pattern portion 5 After reaching the second hollow 210, it is discharged to the outside through the outlet 310 provided in the body portion 30.
  • FIG. 10 shows a combination of the trocar smoke discharge device 10 and the bushing module 3 when the external force by the operator does not act on the button unit 40 after discharging the generated smoke in the communication method of the magnet method. It is a cross section.
  • the first magnet portion 52 and the button portion 40 fixedly coupled to the locking jaw 320 provided in the body portion 30 are provided.
  • the button portion 40 moves to its original position, and then the O-ring 60 formed on one side of the protruding portion 410 of the button portion 40
  • the first magnet portion 52 fixedly coupled to the locking jaw 320 provided in the body portion 30 is caught.
  • the communication path between the second hollow 210 and the outlet 310 is blocked.
  • the protrusion part 410 and the first magnet part 52 are in close contact through the O-ring 60, the outflow of gas CO 2 for maintaining abdominal pressure after the smoke discharge process can be more stably blocked.
  • the operator in the process of performing laparoscopic procedures using trocar and laparoscopic surgical instruments, the operator can discharge smoke generated in the abdominal cavity of the human body to the outside in a short time with a simple operation, While improving the convenience of the operator, there is an effect of providing a smoke discharge device and a trocar including the smoke discharge device to block the possibility of a medical accident that may occur due to turbidity in the inside of the abdominal cavity.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne un dispositif d'évacuation de fumée accouplé à un trocart et un trocart le comprenant. Le dispositif d'évacuation de fumée, selon la présente invention, comprend : une partie d'accouplement accouplée à un trocart et comportant un premier creux formé à l'intérieur ; une partie corps accouplée à la partie d'accouplement, comportant un second creux communiquant avec le premier creux et comportant un trou d'évacuation formé à l'intérieur capable de communiquer avec le second creux ; et une partie bouton, accouplée à la partie corps, pour faire communiquer le second creux avec le trou d'évacuation par déplacement de ses positions selon un fonctionnement de l'utilisateur·trice, ce qui permet d'évacuer la fumée vers l'extérieur à travers le premier creux, le second creux, et le trou d'évacuation. Selon la présente invention, dans un procédé de réalisation de chirurgie laparoscopique faisant intervenir le trocart et un dispositif de chirurgie laparoscopique, un·e opérateur·trice peut évacuer la fumée générée dans la cavité abdominale du corps humain sur une courte durée à l'aide d'un mouvement unique, et ainsi, tout en améliorant le confort de l'opérateur·trice, il est possible d'empêcher l'éventualité d'accidents médicaux pouvant se produire du fait de la vision trouble à l'intérieur de la cavité abdominale.
PCT/KR2019/011303 2018-10-05 2019-09-03 Dispositif d'évacuation de fumée et trocart le comprenant Ceased WO2020071644A1 (fr)

Applications Claiming Priority (2)

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KR10-2018-0118703 2018-10-05
KR1020180118703A KR102207189B1 (ko) 2018-10-05 2018-10-05 스모크 배출 장치 및 이를 포함하는 트로카

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CN113017791A (zh) * 2021-02-25 2021-06-25 上海质昱医疗器械有限公司 一种可拆卸套管组件及穿刺器

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KR100924928B1 (ko) 2009-03-13 2009-11-05 (주)다림써지넷 트로카의 밸브구조

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US6592543B1 (en) * 2002-04-03 2003-07-15 Surgin Inc. Fluid flow regulator for a smoke evacuation system and method of using same
WO2010042204A2 (fr) * 2008-10-10 2010-04-15 Surgiquest, Incorporated Système et procédé de recyclage amélioré de gaz dans des trocarts chirurgicaux avec étanchéité pneumatique
US9078562B2 (en) * 2010-01-11 2015-07-14 Minimally Invasive Devices, Inc. Systems and methods for optimizing and maintaining visualization of a surgical field during the use of surgical scopes
EP2708190A2 (fr) * 2011-05-12 2014-03-19 O Nam Seo Orifice de dispositif de guidage pour un instrument chirurgical endoscopique, et soupape d'évacuation de gaz pour un orifice de dispositif de guidage pour un instrument chirurgical
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CN113017791A (zh) * 2021-02-25 2021-06-25 上海质昱医疗器械有限公司 一种可拆卸套管组件及穿刺器

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