WO1995010982A1 - Surgical instrument to perform subcutaneous endoscopic surgery - Google Patents
Surgical instrument to perform subcutaneous endoscopic surgery Download PDFInfo
- Publication number
- WO1995010982A1 WO1995010982A1 PCT/BR1993/000036 BR9300036W WO9510982A1 WO 1995010982 A1 WO1995010982 A1 WO 1995010982A1 BR 9300036 W BR9300036 W BR 9300036W WO 9510982 A1 WO9510982 A1 WO 9510982A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- surgical instrument
- source
- perform
- endoscopic surgery
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320004—Surgical cutting instruments abrasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320044—Blunt dissectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- 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
- A61B2017/3445—Cannulas used as instrument channel for multiple instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Definitions
- Endoscopic Surgery Technics has been used in General Surgery, Ginecology, Ortopedics, and its advantages over the tradicional surgical technics has been shwoed in these diferents fields.
Abstract
This invention is a medical surgical instrument to perform endoscopic plastic surgery without use of insuflatable gas techniques, avoiding the risk of gas embolization. This instrument has as a working head a blunt/sharp dissector with an optical system (4), illumination source (1), irrigation source (6), aspiration source (5), instrumentation channels (3) for cutting cauterization and suturing instruments, and channels for elevators/retractors (2) that can create a workspace at the subcutaneous tissue without use of gas.
Description
SURGICAL INSTRUMENT TO PERFORM SUBCUTANEOUS ENDOSCOPIC SURGERY
This invent is a surgical instrument to perform endoscopic surgery in the subcutaneous tissue. It has a work head that can perform the funcões of visualization, irrigation, aspiracion, cutting, cauterization, instrumentation in the subcutaneous tissue, and can criate its own work space without use of insuflate gas.
The Endoscopic Surgery Technics has been used in General Surgery, Ginecology, Ortopedics, and its advantages over the tradicional surgical technics has been shwoed in these diferents fields.
Endoscopic Surgery Technique allow a more confortable position to the surgeon; the amplification of images seen in the video monitor mate it more safe; delicate procedures can be performed trought small incisions, all specific advantages so diserable in Cosmetic Plastic Surgery.
Videoendoscopic technique has been developed in inner cavities and anatomical spaces that cam bee expanded by gases ( peritoneal and pleural cavities ) because a work space is required between the optical sisten and the tissues for the purposes of ilumunation, capture of images and execution of procedures.
Working at the subcutaneous Tissue the surgeon necessary must cut a many vessels In this way the traditional
Endoscopic Gas lnfuflator Methods are a dangerous step due to the a rist of gas embolization, its dispersion and toxicity.
This device is a medical surgical instrument to bee used in Endoscopic Plastic Surgery, the "so called " SUBCUTANEOUSTOMOSCOPE that allow to work at the subcutaneous tissue through small incision without use of gases because it can criate its own work space avoiting the rist of gas embolous.
The caracteristic of this instrument are a "workhead" like a nave or capsul that can perform a blump/sharp disseccion at the subcutaneous tissue under monitor view, and can perform Subcutaneous Endoscopic Surgery through accesory canals providing instrumentation source, ligth source, cut/cauterization, aspiration sources. It have separetors/elevators and can cried its own work space, avoiting the use of insuflate gas technics and its riks.
Diferents prototypes were built and experimental surgery has been done on d ogs, pigs, and cadaveres, and the viability of the method has been proved; we can perform axilary nodes and braquial plexus endoscopic exploration, the mapping out of a cutaneous flap through endoscopic plus transilumination view, flaps pedicules diseccions, etc.
We have used this instrument to perform Aesthetic Plastic Surgery through small incisions and I have developed and describeb endoscopic technics to Abdomenopplasty and Mammoplasty
The "so called" Subcutaneoustomoscope have the following advantages:
a) Avoid the risk of gas embolization and toxicity of the Videolaparoscopic technique;
b) Provide disection and visualization simultaneously c) bring to the Plastic Surgery the advantages of a minimal invasive surgery such as: less tissue trauma , decreased rates of infection, less hospitalization time, and a small scars so deserable whem dealing with Cosmetic Surgery.
In order to help the full understanding of the conception of this instrument, it will be explained and presented by same simple designs.
Claims
CLAIM
1- Medical Surgical Instrument to be used in Endoscopic Plastic Surgery without use of insuflatable gas avoiding the risk of gas embolization caracterizaided by to bee a blump/sharp dissector workhead (fig.) provided of a optical system (4), ilumination source (1), irrigation source (6), aspiration source (5), a instrumentation channel to cut/cauterization/suture (3), and elevators/separators to criate a subcutaneous workspace withouth use of gas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR1993/000036 WO1995010982A1 (en) | 1993-10-20 | 1993-10-20 | Surgical instrument to perform subcutaneous endoscopic surgery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/BR1993/000036 WO1995010982A1 (en) | 1993-10-20 | 1993-10-20 | Surgical instrument to perform subcutaneous endoscopic surgery |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995010982A1 true WO1995010982A1 (en) | 1995-04-27 |
Family
ID=4055585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/BR1993/000036 WO1995010982A1 (en) | 1993-10-20 | 1993-10-20 | Surgical instrument to perform subcutaneous endoscopic surgery |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO1995010982A1 (en) |
Cited By (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0769270A1 (en) * | 1995-10-20 | 1997-04-23 | Ethicon Endo-Surgery, Inc. | Method and devices for endoscopic vessel harvesting |
WO1997040750A1 (en) * | 1996-04-25 | 1997-11-06 | Karl Storz Gmbh & Co. | Surgical instrument system |
US5902315A (en) * | 1997-08-28 | 1999-05-11 | Ethicon Endo-Surgery, Inc. | Optical tissue dissector/retractor |
US5922004A (en) * | 1997-08-28 | 1999-07-13 | Ethicon Endo-Surgery, Inc. | Method for performing optical tissue dissection/retraction |
EP0980673A2 (en) * | 1998-06-22 | 2000-02-23 | Origin Medsystems, Inc. | Vessel isolating retractor cannula and method |
US6193653B1 (en) | 1998-02-06 | 2001-02-27 | Ethicon Endo-Surgery, Inc. | Methods and devices for visualizing, dissecting and harvesting vessels and the like |
WO2005092200A1 (en) * | 2004-03-09 | 2005-10-06 | Atricure, Inc. | Lighted dissector and method for use |
US7326178B1 (en) | 1998-06-22 | 2008-02-05 | Origin Medsystems, Inc. | Vessel retraction device and method |
US7476198B1 (en) | 1998-06-22 | 2009-01-13 | Maquet Cardiovascular, Llc | Cannula-based surgical instrument |
US8460331B2 (en) | 1998-08-12 | 2013-06-11 | Maquet Cardiovascular, Llc | Tissue dissector apparatus and method |
US8852085B2 (en) | 2004-08-27 | 2014-10-07 | Smith & Nephew, Inc. | Tissue resecting system |
US8893722B2 (en) | 1997-09-04 | 2014-11-25 | Smith & Nephew, Inc. | Surgical endoscopic cutting device and method for its use |
US9060801B1 (en) | 2001-10-26 | 2015-06-23 | Smith & Nephew, Inc. | Reciprocating rotary arthroscopic surgical instrument |
US9155454B2 (en) | 2010-09-28 | 2015-10-13 | Smith & Nephew, Inc. | Hysteroscopic system |
CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Expander and surgical instrument |
EP3409221A1 (en) * | 2017-05-30 | 2018-12-05 | Thomas Gaiselmann | Instrument system for minimally invasive surgery in the tissue of a patient |
US10299770B2 (en) | 2006-06-01 | 2019-05-28 | Maquet Cardiovascular Llc | Endoscopic vessel harvesting system components |
US10299803B2 (en) | 2016-08-04 | 2019-05-28 | Covidien Lp | Self-aligning drive coupler |
US10507012B2 (en) | 2000-11-17 | 2019-12-17 | Maquet Cardiovascular Llc | Vein harvesting system and method |
US10772654B2 (en) | 2017-03-02 | 2020-09-15 | Covidien Lp | Fluid-driven tissue resecting instruments, systems, and methods |
US10772652B2 (en) | 2015-01-28 | 2020-09-15 | Covidien Lp | Tissue resection system |
US10804769B2 (en) | 2015-06-17 | 2020-10-13 | Covidien Lp | Surgical instrument with phase change cooling |
US10799264B2 (en) | 2015-06-18 | 2020-10-13 | Covidien Lp | Surgical instrument with suction control |
US10842350B2 (en) | 2015-06-17 | 2020-11-24 | Covidien Lp | Endoscopic device with drip flange and methods of use thereof for an operative procedure |
US10945752B2 (en) | 2019-03-20 | 2021-03-16 | Covidien Lp | Tissue resecting instrument including a rotation lock feature |
US11179172B2 (en) | 2019-12-05 | 2021-11-23 | Covidien Lp | Tissue resecting instrument |
US11197710B2 (en) | 2018-10-26 | 2021-12-14 | Covidien Lp | Tissue resecting device including a blade lock and release mechanism |
US11317947B2 (en) | 2020-02-18 | 2022-05-03 | Covidien Lp | Tissue resecting instrument |
US11376032B2 (en) | 2019-12-05 | 2022-07-05 | Covidien Lp | Tissue resecting instrument |
US11452806B2 (en) | 2019-10-04 | 2022-09-27 | Covidien Lp | Outflow collection vessels, systems, and components thereof for hysteroscopic surgical procedures |
US11547782B2 (en) | 2020-01-31 | 2023-01-10 | Covidien Lp | Fluid collecting sheaths for endoscopic devices and systems |
US11553977B2 (en) | 2019-05-29 | 2023-01-17 | Covidien Lp | Hysteroscopy systems and methods for managing patient fluid |
US11596429B2 (en) | 2020-04-20 | 2023-03-07 | Covidien Lp | Tissue resecting instrument |
US11737777B2 (en) | 2020-02-05 | 2023-08-29 | Covidien Lp | Tissue resecting instruments |
US11883058B2 (en) | 2019-03-26 | 2024-01-30 | Covidien Lp | Jaw members, end effector assemblies, and ultrasonic surgical instruments including the same |
US11890237B2 (en) | 2019-10-04 | 2024-02-06 | Covidien Lp | Outflow collection vessels, systems, and components thereof for hysteroscopic surgical procedures |
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DE3504292C1 (en) * | 1985-02-08 | 1986-07-24 | Richard Wolf Gmbh, 7134 Knittlingen | Instrument for endoscopic interventions, especially for percutaneous gallstone removal or gallbladder surgery |
WO1987001276A1 (en) * | 1985-08-28 | 1987-03-12 | Sonomed Technology, Inc. | Endoscopic ultrasonic aspirator with modified working tip |
US4760840A (en) * | 1986-12-16 | 1988-08-02 | The Regents Of The University Of California | Endoscopic laser instrument |
WO1992012680A1 (en) * | 1991-01-28 | 1992-08-06 | Laserscope | Surgical probe for constrained distal energy application |
US5245987A (en) * | 1992-07-31 | 1993-09-21 | Vir Engineering | Surgical instrument with extendable blades |
-
1993
- 1993-10-20 WO PCT/BR1993/000036 patent/WO1995010982A1/en active Application Filing
Patent Citations (5)
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DE3504292C1 (en) * | 1985-02-08 | 1986-07-24 | Richard Wolf Gmbh, 7134 Knittlingen | Instrument for endoscopic interventions, especially for percutaneous gallstone removal or gallbladder surgery |
WO1987001276A1 (en) * | 1985-08-28 | 1987-03-12 | Sonomed Technology, Inc. | Endoscopic ultrasonic aspirator with modified working tip |
US4760840A (en) * | 1986-12-16 | 1988-08-02 | The Regents Of The University Of California | Endoscopic laser instrument |
WO1992012680A1 (en) * | 1991-01-28 | 1992-08-06 | Laserscope | Surgical probe for constrained distal energy application |
US5245987A (en) * | 1992-07-31 | 1993-09-21 | Vir Engineering | Surgical instrument with extendable blades |
Cited By (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0769270A1 (en) * | 1995-10-20 | 1997-04-23 | Ethicon Endo-Surgery, Inc. | Method and devices for endoscopic vessel harvesting |
EP0867148A1 (en) * | 1995-10-20 | 1998-09-30 | Ethicon Endo-Surgery, Inc. | Devices for endoscopic vessel harvesting |
WO1997040750A1 (en) * | 1996-04-25 | 1997-11-06 | Karl Storz Gmbh & Co. | Surgical instrument system |
US6402715B2 (en) * | 1996-04-25 | 2002-06-11 | Karl Storz Gmbh & Co. Kg | Surgical instrument system |
US5902315A (en) * | 1997-08-28 | 1999-05-11 | Ethicon Endo-Surgery, Inc. | Optical tissue dissector/retractor |
US5922004A (en) * | 1997-08-28 | 1999-07-13 | Ethicon Endo-Surgery, Inc. | Method for performing optical tissue dissection/retraction |
US9427247B2 (en) | 1997-09-04 | 2016-08-30 | Smith & Nephew, Inc. | Surgical cutting device and method for its use |
US9226650B2 (en) | 1997-09-04 | 2016-01-05 | Smith & Nephew, Inc. | Surgical cutting device and method for its use |
US9089358B2 (en) | 1997-09-04 | 2015-07-28 | Smith & Nephew, Inc. | Surgical cutting device and method for its use |
US9226765B2 (en) | 1997-09-04 | 2016-01-05 | Smith & Nephew, Inc. | Surgical cutting device and method for its use |
US9750520B2 (en) | 1997-09-04 | 2017-09-05 | Covidien Lp | Surgical endoscopic cutting device and method for its use |
US8893722B2 (en) | 1997-09-04 | 2014-11-25 | Smith & Nephew, Inc. | Surgical endoscopic cutting device and method for its use |
US6193653B1 (en) | 1998-02-06 | 2001-02-27 | Ethicon Endo-Surgery, Inc. | Methods and devices for visualizing, dissecting and harvesting vessels and the like |
US7326178B1 (en) | 1998-06-22 | 2008-02-05 | Origin Medsystems, Inc. | Vessel retraction device and method |
US7476198B1 (en) | 1998-06-22 | 2009-01-13 | Maquet Cardiovascular, Llc | Cannula-based surgical instrument |
EP0980673A3 (en) * | 1998-06-22 | 2000-03-01 | Origin Medsystems, Inc. | Vessel isolating retractor cannula and method |
EP0980673A2 (en) * | 1998-06-22 | 2000-02-23 | Origin Medsystems, Inc. | Vessel isolating retractor cannula and method |
US8460331B2 (en) | 1998-08-12 | 2013-06-11 | Maquet Cardiovascular, Llc | Tissue dissector apparatus and method |
US8986335B2 (en) | 1998-08-12 | 2015-03-24 | Maquet Cardiovascular Llc | Tissue dissector apparatus and method |
US9730782B2 (en) | 1998-08-12 | 2017-08-15 | Maquet Cardiovascular Llc | Vessel harvester |
US9700398B2 (en) | 1998-08-12 | 2017-07-11 | Maquet Cardiovascular Llc | Vessel harvester |
US10507012B2 (en) | 2000-11-17 | 2019-12-17 | Maquet Cardiovascular Llc | Vein harvesting system and method |
US9066745B2 (en) | 2001-10-26 | 2015-06-30 | Smith & Nephew, Inc. | Reciprocating rotary arthroscopic surgical instrument |
US9060801B1 (en) | 2001-10-26 | 2015-06-23 | Smith & Nephew, Inc. | Reciprocating rotary arthroscopic surgical instrument |
US9636130B2 (en) | 2001-10-26 | 2017-05-02 | Covidien Lp | Reciprocating rotary arthroscopic surgical instrument |
US10441306B2 (en) | 2001-10-26 | 2019-10-15 | Covidien Lp | Reciprocating rotary arthroscopic surgical instrument |
US9060800B1 (en) | 2001-10-26 | 2015-06-23 | Smith & Nephew, Inc. | Reciprocating rotary arthroscopic surgical instrument |
WO2005092200A1 (en) * | 2004-03-09 | 2005-10-06 | Atricure, Inc. | Lighted dissector and method for use |
US9936861B2 (en) | 2004-08-27 | 2018-04-10 | Covidien Lp | Tissue resecting system |
US10076237B2 (en) | 2004-08-27 | 2018-09-18 | Covidien Lp | Tissue resecting system |
US10939810B2 (en) | 2004-08-27 | 2021-03-09 | Covidien Lp | Tissue resecting system |
US8852085B2 (en) | 2004-08-27 | 2014-10-07 | Smith & Nephew, Inc. | Tissue resecting system |
US9125550B2 (en) | 2004-08-27 | 2015-09-08 | Smith & Nephew, Inc. | Tissue resecting system |
US11141055B2 (en) | 2006-06-01 | 2021-10-12 | Maquet Cardiovascular Llc | Endoscopic vessel harvesting system components |
US11134835B2 (en) | 2006-06-01 | 2021-10-05 | Maquet Cardiovascular Llc | Endoscopic vessel harvesting system components |
US10299770B2 (en) | 2006-06-01 | 2019-05-28 | Maquet Cardiovascular Llc | Endoscopic vessel harvesting system components |
US10251539B2 (en) | 2010-09-28 | 2019-04-09 | Covidien Lp | Hysteroscopic system |
US11889993B2 (en) | 2010-09-28 | 2024-02-06 | Covidien Lp | Hysteroscopic system |
US11229354B2 (en) | 2010-09-28 | 2022-01-25 | Covidien Lp | Hysteroscopic system |
US9155454B2 (en) | 2010-09-28 | 2015-10-13 | Smith & Nephew, Inc. | Hysteroscopic system |
US10772652B2 (en) | 2015-01-28 | 2020-09-15 | Covidien Lp | Tissue resection system |
US11666354B2 (en) | 2015-01-28 | 2023-06-06 | Covidien Lp | Tissue resection system |
US10804769B2 (en) | 2015-06-17 | 2020-10-13 | Covidien Lp | Surgical instrument with phase change cooling |
US10842350B2 (en) | 2015-06-17 | 2020-11-24 | Covidien Lp | Endoscopic device with drip flange and methods of use thereof for an operative procedure |
US11659977B2 (en) | 2015-06-17 | 2023-05-30 | Covidien Lp | Endoscopic device with drip flange and methods of use thereof for an operative procedure |
US11712262B2 (en) | 2015-06-18 | 2023-08-01 | Covidien Lp | Surgical instrument with suction control |
US10799264B2 (en) | 2015-06-18 | 2020-10-13 | Covidien Lp | Surgical instrument with suction control |
US10299803B2 (en) | 2016-08-04 | 2019-05-28 | Covidien Lp | Self-aligning drive coupler |
US11622787B2 (en) | 2017-03-02 | 2023-04-11 | Covidien Lp | Fluid-driven tissue resecting instruments, systems, and methods |
US10772654B2 (en) | 2017-03-02 | 2020-09-15 | Covidien Lp | Fluid-driven tissue resecting instruments, systems, and methods |
EP3409221A1 (en) * | 2017-05-30 | 2018-12-05 | Thomas Gaiselmann | Instrument system for minimally invasive surgery in the tissue of a patient |
CN108542439A (en) * | 2018-05-14 | 2018-09-18 | 浙江大学医学院附属第医院 | Expander and surgical instrument |
US11197710B2 (en) | 2018-10-26 | 2021-12-14 | Covidien Lp | Tissue resecting device including a blade lock and release mechanism |
US10945752B2 (en) | 2019-03-20 | 2021-03-16 | Covidien Lp | Tissue resecting instrument including a rotation lock feature |
US11883058B2 (en) | 2019-03-26 | 2024-01-30 | Covidien Lp | Jaw members, end effector assemblies, and ultrasonic surgical instruments including the same |
US11553977B2 (en) | 2019-05-29 | 2023-01-17 | Covidien Lp | Hysteroscopy systems and methods for managing patient fluid |
US11890237B2 (en) | 2019-10-04 | 2024-02-06 | Covidien Lp | Outflow collection vessels, systems, and components thereof for hysteroscopic surgical procedures |
US11452806B2 (en) | 2019-10-04 | 2022-09-27 | Covidien Lp | Outflow collection vessels, systems, and components thereof for hysteroscopic surgical procedures |
US11179172B2 (en) | 2019-12-05 | 2021-11-23 | Covidien Lp | Tissue resecting instrument |
US11376032B2 (en) | 2019-12-05 | 2022-07-05 | Covidien Lp | Tissue resecting instrument |
US11547782B2 (en) | 2020-01-31 | 2023-01-10 | Covidien Lp | Fluid collecting sheaths for endoscopic devices and systems |
US11737777B2 (en) | 2020-02-05 | 2023-08-29 | Covidien Lp | Tissue resecting instruments |
US11317947B2 (en) | 2020-02-18 | 2022-05-03 | Covidien Lp | Tissue resecting instrument |
US11596429B2 (en) | 2020-04-20 | 2023-03-07 | Covidien Lp | Tissue resecting instrument |
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