CN111449694A - Guide sheath and method for using guide sheath - Google Patents

Guide sheath and method for using guide sheath Download PDF

Info

Publication number
CN111449694A
CN111449694A CN202010435474.4A CN202010435474A CN111449694A CN 111449694 A CN111449694 A CN 111449694A CN 202010435474 A CN202010435474 A CN 202010435474A CN 111449694 A CN111449694 A CN 111449694A
Authority
CN
China
Prior art keywords
sheath
guiding
tube
guiding sheath
guide
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.)
Pending
Application number
CN202010435474.4A
Other languages
Chinese (zh)
Inventor
孙加源
陈军祥
谢芳芳
袁海宾
张琴
潘玉均
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.)
Shanghai Chest Hospital
Original Assignee
Shanghai Chest Hospital
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 Shanghai Chest Hospital filed Critical Shanghai Chest Hospital
Priority to CN202010435474.4A priority Critical patent/CN111449694A/en
Priority to PCT/CN2020/102577 priority patent/WO2021232570A1/en
Publication of CN111449694A publication Critical patent/CN111449694A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02Instruments for taking cell samples or for biopsy
    • A61B10/04Endoscopic instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/012Instruments 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
    • A61B1/018Instruments 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 for receiving instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments 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
    • A61B1/267Instruments 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 the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12027Type of occlusion
    • A61B17/1204Type of occlusion temporary occlusion
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B17/12131Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
    • A61B17/12136Balloons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/10Balloon catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12022Occluding by internal devices, e.g. balloons or releasable wires
    • A61B2017/1205Introduction devices

Abstract

The invention provides a guide sheath, which comprises a first sheath, a second sheath and a guide sleeve, wherein the first sheath is in a hollow tubular shape and is made of a flexible material; the second sheath tube is in a hollow tubular shape, is connected with the first sheath tube and is made of rigid material; and the locking structure is partially or completely arranged on the outer side of the second sheath and is used for locking the position of the second sheath in the bronchus of the human body. Among the guide sheath pipe, first sheath pipe is flexible material, can make the guide sheath pipe reachs the target tissue position easily, and the second sheath pipe is rigid material, can play the supporting role to avoid organizing the sample to drop, improved the sample taking efficiency who organizes the sample. The invention also provides a use method of the guide sheath.

Description

Guide sheath and method for using guide sheath
Technical Field
The invention relates to the technical field of medical instruments, in particular to a guide sheath and a use method of the guide sheath.
Background
For tumors (e.g. bronchial carcinomas) or inflamed interstitial lung diseases in the surrounding lung tissue, a tissue sample is taken from the surrounding lung tissue from which the disease of the patient is diagnosed. However, in the existing sampling device, the probe and the sheath are made of soft materials, and the soft materials can easily control the probe to reach the tissue to be treated or sampled.
Chinese patent publication No. CN103284775A discloses an intracranial thrombus extraction device, which comprises a thrombus extraction system, a delivery and release system, a handle system, and a guiding sheath tube made of a polymer material, polytetrafluoroethylene. Therefore, the whole guiding sheath is made of one material, and if biopsy sampling is performed through the guiding sheath of the type, because the sheath is soft, a tissue sample is easy to fall off easily in the pulling-out process, so that the sampling efficiency is not high, and even the sampling fails.
Therefore, there is a need to provide a novel guiding sheath and a method for using the guiding sheath to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a guide sheath and a use method of the guide sheath, which can improve the sampling efficiency of a tissue sample.
To achieve the above object, the guide sheath of the present invention includes:
the first sheath tube is in a hollow tubular shape and is made of flexible materials;
the second sheath tube is in a hollow tubular shape, is connected with the first sheath tube and is made of rigid material;
and the locking structure is partially or completely arranged on the outer side of the second sheath and is used for locking the position of the second sheath in the bronchus of the human body.
The invention has the beneficial effects that: first sheath pipe is flexible material, can make the guide sheath pipe reachs the target tissue position easily, and the second sheath pipe is rigid material, can play the supporting role to avoid organizing the sample to drop, improved the sampling efficiency who organizes the sample.
Preferably, the first sheath and the second sheath are bonded or fused to each other.
Preferably, the second sheath includes:
a metal tube in a hollow tubular shape;
the joint part is in a hollow tubular shape, the outer wall of the joint part is attached to the inner wall of the metal pipe, and the joint part is connected with the first sheath pipe. The beneficial effects are that: facilitating connection of the first sheath with the second sheath.
Further preferably, the second sheath is a hard polymer material, and the second sheath is kept away from the outside of one end of the first sheath is provided with a developing ring, and the distance the second sheath is kept away from the distance at the port of the one end of the first sheath is 2-5 mm. The beneficial effects are that: the auxiliary imaging equipment is convenient to determine the position of the metal tube in the human body.
Further preferably, the length of the second sheath is 5-10 mm. The beneficial effects are that: the sheath tube can play a supporting role, and the situation that the guiding sheath tube cannot easily reach the target tissue position due to the fact that the length is too long can be avoided.
Further preferably, the length of the joint part in the metal pipe is 2-7 mm. The beneficial effects are that: the metal pipe is prevented from falling off from the joint portion.
Further preferably, one end of the second sheath tube is of a crevasse structure, and the crevasse structure forms a horn mouth structure after being unfolded. The beneficial effects are that: the resistance of the tissue sample entering the second sheath is reduced, and the falling of the tissue sample caused by overlarge resistance is avoided.
Further preferably, the crevasse structure comprises crevasses, and the number of the crevasses is 2-16.
Further preferably, the maximum inner diameter of the bell mouth structure is 0.05mm-1.5mm larger than the minimum inner diameter. The beneficial effects are that: the damage to a human body caused by the overlarge maximum inner diameter of the bell mouth structure is avoided.
Further preferably, the guide sheath still includes the outer tube, the outer tube cup joints the outside of second sheath, the outer tube is kept away from one side of breach structure is equipped with control structure, control structure is used for controlling the outer tube is in the second sheath slides in the outside, in order to control the breach structure struts or contracts. The beneficial effects are that: and assisting the crevasse structure to realize the contraction and the expansion of the crevasse structure.
Further preferably, the material of the crevasse structure is a memory alloy.
Preferably, the guiding sheath further comprises a gas transmission pipeline, and the gas transmission pipeline is arranged on the inner side or the outer side of the first sheath and the second sheath.
Further preferably, the locking structure comprises an air bag, at least one inflation port is arranged on the air bag, and the inflation port is communicated with the gas transmission pipeline. The beneficial effects are that: the air sac can play a role in fixing and fixing cancellation, and can press the blood vessel to play a role in stopping bleeding when bleeding occurs in the bronchus.
Further preferably, the balloon is 5-10mm in length when not inflated. The beneficial effects are that: can play the fixed effect, and avoid the too big damage to human bronchus that causes of volume.
Preferably, the outer sides of the first sheath tube and the second sheath tube are provided with continuous scale marks distributed along the length direction. The beneficial effects are that: the length of the first sheath and the second sheath extending into the bronchus of the human body is convenient to determine.
The invention also provides a use method of the guide sheath, which comprises the following steps:
s1: inserting the guide sheath into a working channel of an endoscope;
s2: observing the bronchus of the human body through the endoscope, and extending the guide sheath into the target position of the bronchus of the human body;
s3: locking the position of the guiding sheath relative to the human bronchus by the locking structure;
s4: and a sampling instrument is connected into the guide sheath tube for sampling. The beneficial effects are that: the tissue sample is prevented from falling off, and the sampling efficiency of the tissue sample is improved.
Drawings
Fig. 1 is a schematic structural view of a guiding sheath according to the present invention;
FIG. 2 is a schematic structural view of a guiding sheath according to yet another embodiment of the present invention;
FIG. 3 is a schematic structural view of a second sheath according to the present invention;
FIG. 4 is a schematic view of the guiding sheath when the breach structure is not deployed in some embodiments of the present invention;
FIG. 5 is a schematic view of the guide sheath after the breach structure is opened in some embodiments of the present invention;
FIG. 6 is a schematic view of an uninflated balloon on a second sheath in accordance with the present invention;
FIG. 7 is a schematic view of an inflated balloon on a second sheath according to the present invention;
fig. 8 is a flow chart of a method of using the guiding sheath of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.
To solve the problems of the prior art, an embodiment of the present invention provides a guiding sheath, and referring to fig. 1, the guiding sheath 10 includes:
the first sheath 11 is in a hollow tubular shape and made of a flexible material;
a second sheath 12 having a hollow tubular shape, connected to the first sheath 11, and made of a rigid material;
and a locking structure 13, partially disposed outside the second sheath 12, for locking the position of the second sheath 12 in the bronchus of the human body.
Fig. 2 is a schematic structural diagram of a guiding sheath according to still another embodiment of the present invention. Referring to fig. 2, the guide sheath 10 includes:
the first sheath 11 is in a hollow tubular shape and made of a flexible material;
a second sheath 12 having a hollow tubular shape, connected to the first sheath 11, and made of a rigid material;
and the locking structure 13 is arranged outside the second sheath 12 and used for locking the position of the second sheath 12 in the bronchus of the human body.
The rigid material is characterized in that the elastic modulus is greater than or equal to 6.11N/mm2The flexible material of the invention is a flexible material with an elastic modulus of less than 6.11N/mm2The material of (1).
In some embodiments of the invention, the first sheath and the second sheath are both made of medical plastics.
In some preferred embodiments of the present invention, referring to fig. 1, the outer sides of the first sheath and the second sheath are provided with continuous graduation marks distributed along the length direction.
In some embodiments of the invention, the first sheath and the second sheath are joined by gluing or fusing.
Fig. 3 is a schematic structural diagram of a second sheath according to some embodiments of the invention. Referring to fig. 3, the second sheath 12 includes:
a metal tube 121 having a hollow tubular shape;
the joint portion 122 is in a hollow tubular shape, and an outer wall of the joint portion is attached to an inner wall of the metal tube 122 and connected to the first sheath tube (not shown).
In some preferred embodiments of the present invention, referring to fig. 1, fig. 2 and fig. 3, the second sheath 12 is made of a hard polymer material, and a developing ring 123 is disposed on an outer side of an end of the second sheath 12 away from the first sheath 11, and a distance from an end port of the second sheath 12 away from the first sheath 11 is 2-5mm, so as to facilitate an auxiliary imaging device to determine a position of the second sheath 12 in a human body.
In some embodiments of the invention, the second sheath is 5-10mm in length. Preferably, the length of the joint part positioned in the metal pipe is 2-7 mm.
In some preferred embodiments of the present invention, the second sheath has a length of 5mm, and the junction has a length of 2mm inside the metal tube.
In some preferred embodiments of the present invention, the second sheath has a length of 7mm, and the joint portion has a length of 4mm inside the metal tube.
In some preferred embodiments of the present invention, the second sheath has a length of 9mm, and the joint has a length of 6mm inside the metal tube.
In some preferred embodiments of the present invention, the second sheath has a length of 10mm, and the joint has a length of 7mm inside the metal tube.
Fig. 4 is a schematic view of a guiding sheath when the breach structure is not opened according to some embodiments of the present invention. Referring to fig. 3, one end of the second sheath 12 is in a crevasse structure 125, the crevasse structure 125 includes crevasses 126, the number of the crevasses 126 is 2-16, and the crevasses are slits. The guiding sheath further comprises an outer sleeve 124, the outer sleeve 124 being attached to the outside of the second sheath 12, and the second sheath 12 being slidable within the outer sleeve 124.
In some embodiments of the invention, the number of lacerations is one of 2, 5, 9, 12 and 16.
Fig. 5 is a schematic view of the guiding sheath after the laceration structure is spread in some embodiments of the invention. Referring to fig. 5, the material of the breach structure 125 is a memory alloy, specifically a nickel-titanium memory material, and when the breach structure extends out of the outer tube 124, the breach structure 125 is spread to form a bell-mouth structure, and the minimum inner diameter of the bell-mouth structure is equal to the inner diameter of the middle section of the second sheath 12. Preferably, the maximum inner diameter of the bell-mouth structure, i.e., the inner diameter of the open end, is 0.05-1.5mm larger than the minimum inner diameter, i.e., the inner diameter of the end connected to the second sheath tube 12.
Referring to fig. 3 and 5, a control structure 127 is disposed on a side of the outer sleeve 124 away from the breach structure, and the control structure 127 is configured to control the outer sleeve 124 to slide outside the second sheath 12, so as to control the breach structure 125 to expand or contract. The control structure 127 includes a first pushing portion 1271, a second pushing portion 1272 and a spring 1273, wherein the first pushing portion 1271 and the second pushing portion 1272 are connected by the spring 1273, the first pushing portion 1271 is fixed on the outer side of the outer casing 124, and the second pushing portion 1272 is fixedly connected with the first sheath tube 11 by a connecting rod 1274. Preferably, the first and second pushing portions 1271 and 1272 are ring-shaped.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 0.05mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 0.25mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 0.5mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 0.75mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 1mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 1.25mm greater than the minimum inner diameter.
In some preferred embodiments of the invention, the maximum inner diameter of the flare structure is 1.5mm greater than the minimum inner diameter.
In some preferred embodiments of the present invention, the maximum inner diameter of the bell-mouth structure is 3-4mm, the maximum inner diameters of the first sheath tube and the second sheath tube are 2.3mm, and the maximum outer diameters of the first sheath tube and the second sheath tube are 2.95 mm.
In some embodiments of the present invention, the first sheath includes a handheld end, and the handheld end is provided with a lever, the lever is used for stretching the laceration structure to make the laceration structure face the outside of the second sheath, so as to enlarge the opening size of one end of the second sheath, and facilitate the tissue sample to enter the second sheath.
FIG. 6 is a schematic view of a second sheath with an inflatable balloon thereon according to some embodiments of the invention. Referring to fig. 6, the locking structure (not shown) includes a balloon 131, and the balloon 131 is provided with at least one inflation port 132, and the inflation port (not shown) is connected to the gas transmission pipeline (not shown), wherein the gas transmission pipeline is disposed inside or outside the first sheath (not shown) and the second sheath 12. Specifically, the balloon 131 has a length of 5-10mm when it is not inflated, and is attached to the outer wall of the second sheath 12. The balloon 131 can play a role in fixing and fixing removal, and when a bronchus bleeds, the balloon 131 can press a blood vessel to play a role in stopping bleeding.
In some preferred embodiments of the present invention, when the gas transmission pipeline is disposed inside the first sheath and the second sheath, the inflation port is disposed on a wall of the balloon, which is attached to the second sheath, and penetrates through the second sheath. More preferably, a protective layer is arranged on the outer side of the gas transmission pipeline, covers the outer side of the gas transmission pipeline, and is in seamless connection with the inner walls of the first sheath pipe and the second sheath pipe.
In some preferred embodiments of the present invention, when the gas transmission duct is disposed outside the first sheath and the second sheath, the inflation port is disposed on a side of the balloon facing the first sheath. More preferably, a protective layer is arranged on the outer side of the gas transmission pipeline, covers the outer side of the gas transmission pipeline, and is in seamless connection with the outer walls of the first sheath pipe and the second sheath pipe.
FIG. 7 is a schematic view of an inflated balloon on a second sheath in accordance with some embodiments of the invention. Referring to fig. 7, the balloon 131 is inflated to form an oval or circular shape on the outside of the second sheath 12, and the outer wall of the balloon 131 presses against the bronchial wall of the human body to fix the second sheath 12.
Fig. 8 is a flow chart of a method of using a guiding sheath in some embodiments of the invention. The method of using the guiding sheath described with reference to fig. 8 comprises the steps of:
s1: inserting the guide sheath into a working channel of an endoscope;
s2: observing the bronchus of the human body through the endoscope, and extending the guide sheath into the target position of the bronchus of the human body;
s3: locking the position of the guiding sheath relative to the human bronchus by the locking structure;
s4: and a sampling instrument is connected into the guide sheath tube for sampling.
Although the embodiments of the present invention have been described in detail hereinabove, it is apparent to those skilled in the art that various modifications and variations can be made to these embodiments. However, it is to be understood that such modifications and variations are within the scope and spirit of the present invention as set forth in the following claims. Moreover, the invention as described herein is capable of other embodiments and of being practiced or of being carried out in various ways.

Claims (16)

1. A guiding sheath, comprising:
the first sheath tube is in a hollow tubular shape and is made of flexible materials;
the second sheath tube is in a hollow tubular shape, is connected with the first sheath tube and is made of rigid material;
and the locking structure is partially or completely arranged on the outer side of the second sheath and is used for locking the position of the second sheath in the bronchus of the human body.
2. The guiding sheath of claim 1, wherein the first sheath and the second sheath are bonded or fused to each other.
3. The guiding sheath of claim 1, wherein the second sheath comprises:
a metal tube in a hollow tubular shape;
the joint part is in a hollow tubular shape, the outer wall of the joint part is attached to the inner wall of the metal pipe, and the joint part is connected with the first sheath pipe.
4. The guiding sheath as claimed in claim 1, wherein the second sheath is made of a hard polymer material, and a developing ring is disposed on an outer side of an end of the second sheath away from the first sheath, and a distance from an end port of the second sheath away from the first sheath is 2-5 mm.
5. The guiding sheath of claim 3, wherein the second sheath has a length of 5-10 mm.
6. The guiding sheath of claim 3, wherein the junction is 2-7mm in length within the metal tube.
7. The guiding sheath of claim 3, wherein one end of the second sheath is of a crevasse structure, and the crevasse structure is expanded to form a flared structure.
8. The guiding sheath of claim 7, wherein the breaching structure comprises 2-16 breaches.
9. The guiding sheath of claim 7, wherein the maximum inner diameter of the flare structure is 0.05mm-1.5mm greater than the minimum inner diameter.
10. The guiding sheath tube of claim 7, further comprising an outer sleeve, wherein the outer sleeve is sleeved on the outside of the second sheath tube, and a side of the outer sleeve away from the breach structure is provided with a control structure, and the control structure is configured to control the outer sleeve to slide on the outside of the second sheath tube to control the breach structure to expand or contract.
11. The guiding sheath of claim 7, wherein the material of the breaching structure is a memory alloy.
12. The guiding sheath of claim 1, further comprising a gas delivery conduit disposed inside or outside the first sheath and the second sheath.
13. The guiding sheath of claim 12, wherein the locking structure comprises a balloon having at least one inflation port thereon, the inflation port being in communication with the gas delivery conduit.
14. The guiding sheath of claim 13, wherein the balloon is 5-10mm in length when uninflated.
15. The guiding sheath according to claim 1, wherein the first sheath and the second sheath are provided with continuous graduation marks on the outer side thereof in the length direction.
16. The method of using a guiding sheath according to any one of claims 1-15, comprising the steps of:
s1: inserting the guide sheath into a working channel of an endoscope;
s2: observing the bronchus of the human body through the endoscope, and extending the guide sheath into the target position of the bronchus of the human body;
s3: locking the position of the guiding sheath relative to the human bronchus by the locking structure;
s4: and a sampling instrument is connected into the guide sheath tube for sampling.
CN202010435474.4A 2020-05-21 2020-05-21 Guide sheath and method for using guide sheath Pending CN111449694A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010435474.4A CN111449694A (en) 2020-05-21 2020-05-21 Guide sheath and method for using guide sheath
PCT/CN2020/102577 WO2021232570A1 (en) 2020-05-21 2020-07-17 Guide sheath and method for using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010435474.4A CN111449694A (en) 2020-05-21 2020-05-21 Guide sheath and method for using guide sheath

Publications (1)

Publication Number Publication Date
CN111449694A true CN111449694A (en) 2020-07-28

Family

ID=71671318

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010435474.4A Pending CN111449694A (en) 2020-05-21 2020-05-21 Guide sheath and method for using guide sheath

Country Status (2)

Country Link
CN (1) CN111449694A (en)
WO (1) WO2021232570A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022226103A1 (en) * 2021-04-20 2022-10-27 Procept Biorobotics Corporation Surgical probe with independent energy sources
US11771512B2 (en) 2020-06-26 2023-10-03 Procept Biorobotics Corporation Systems and methods for defining and modifying range of motion of probe used in patient treatment
US11877818B2 (en) 2020-06-26 2024-01-23 Procept Biorobotics Corporation Integration of robotic arms with surgical probes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4820349A (en) * 1987-08-21 1989-04-11 C. R. Bard, Inc. Dilatation catheter with collapsible outer diameter
US5011488A (en) * 1988-12-07 1991-04-30 Robert Ginsburg Thrombus extraction system
US5873864A (en) * 1995-12-18 1999-02-23 Luther Medical Products, Inc. Catheter with beveled needle tip
CN201996516U (en) * 2011-03-08 2011-10-05 张占学 Endoscope apparatus sheath
EP2727622B1 (en) * 2011-06-29 2019-06-12 Terumo Kabushiki Kaisha Sheath for introducer
CN204671710U (en) * 2015-03-24 2015-09-30 湖州市妇幼保健院 A kind of suction catheter of suction pump
CN110477971A (en) * 2019-09-03 2019-11-22 上海市胸科医院 Sheath structure, trans- bronchoscope and its application method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11771512B2 (en) 2020-06-26 2023-10-03 Procept Biorobotics Corporation Systems and methods for defining and modifying range of motion of probe used in patient treatment
US11877818B2 (en) 2020-06-26 2024-01-23 Procept Biorobotics Corporation Integration of robotic arms with surgical probes
WO2022226103A1 (en) * 2021-04-20 2022-10-27 Procept Biorobotics Corporation Surgical probe with independent energy sources

Also Published As

Publication number Publication date
WO2021232570A1 (en) 2021-11-25

Similar Documents

Publication Publication Date Title
CN111449694A (en) Guide sheath and method for using guide sheath
US7396329B2 (en) Endoscopic retractor instrument and associated method
ES2274984T3 (en) MEDICAL DEVICE OF PUNTA BLANDA THAT CAN BE SUBJECT TO TORSION AND METHOD TO CONFORM.
US5916145A (en) Device and method of using a surgical assembly with mesh sheath
US6793661B2 (en) Endoscopic sheath assemblies having longitudinal expansion inhibiting mechanisms
CN107596539B (en) Balloon dilatation catheter
EP1335659B1 (en) Inflatable member for an endoscope sheath
US7122003B2 (en) Endoscopic retractor instrument and associated method
US5331947A (en) Inflatable sheath for introduction of ultrasonic catheter through the lumen of a fiber optic endoscope
CN105025973B (en) For manipulator lumen or the method and apparatus of the side wall of body cavity
US6802825B2 (en) Access catheter apparatus for use in minimally invasive surgery and diagnostic procedures in the uterus and fallopian tubes
US9867529B2 (en) Endoscope accessory
JP5611451B2 (en) Bile duct access sheath
US8419695B2 (en) Apparatus and method of maintaining insufflation
GB1594426A (en) Surgical apparatus
EP1335662A1 (en) Sheath and method for reconfiguring lung viewing scope
JP2007513692A (en) Cell collection device
SE455834B (en) DEVICE FOR TRANSLUMINAL IMPLANTATION OF A PRINCIPLE RODFORMALLY RADIALLY EXPANDABLE PROSTHESIS
JPH0254734B2 (en)
MX2013014057A (en) Device for extracting elements from cavities, which uses a bag for extraction and an applicator.
KR20230154284A (en) Systems for body passage navigation and visualization
CN106535735A (en) Apparatus and method for coupling between a colonoscope and add-on tubes
US7824416B2 (en) Medical retrieval device
CN212307910U (en) Guide sheath
CN103316416B (en) Ball head guide wire

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination