CN106344149A - Electrocauterization endoloop - Google Patents

Electrocauterization endoloop Download PDF

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Publication number
CN106344149A
CN106344149A CN201610885133.0A CN201610885133A CN106344149A CN 106344149 A CN106344149 A CN 106344149A CN 201610885133 A CN201610885133 A CN 201610885133A CN 106344149 A CN106344149 A CN 106344149A
Authority
CN
China
Prior art keywords
snare
handle
coil
injection
agnail
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
CN201610885133.0A
Other languages
Chinese (zh)
Inventor
袁捷
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.)
Nanjing First Hospital
Original Assignee
Nanjing First 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 Nanjing First Hospital filed Critical Nanjing First Hospital
Priority to CN201610885133.0A priority Critical patent/CN106344149A/en
Publication of CN106344149A publication Critical patent/CN106344149A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • 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
    • A61M31/00Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00315Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00482Digestive system
    • A61B2018/00494Stomach, intestines or bowel
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577Ablation
    • 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
    • A61M2210/00Anatomical parts of the body
    • A61M2210/10Trunk
    • A61M2210/1042Alimentary tract

Abstract

The invention provides an electric endoloop which comprises an endoloop handle, an injection handle, a coil and a transition joint. The transition joint is connected to the endoloop handle through a first connecting pipe and connected to the injection handle through a second connecting pipe, the coil forms a hollow shape and defines an internal flow guide channel, and the flow guide channel is communicated with the transition joint through a protective pipe. The outside of the electric endoloop is further connected with a metal wire, the metal wire is connected with the first connecting pipe through the transition joint and then connected with a sliding ring of the endoloop handle, the endoloop coil is further provided with a hollow barb, and the hollow barb is communicated with the flow guide channel in the coil and forms a liquid injection channel together with the protective pipe, the transition joint and the injection handle. The electric endoloop can inject liquid into a deep layer of a gastrointestinal tract focus through the hollow barb on the endoloop coil, the endoloop is used to remove a tissue, the operation time is greatly shortened, and operation efficiency is improved.

Description

One kind is fulgerized snare
Technical field
The present invention relates to medical instruments field, in particular to a kind of (sight glass use) electricity snare.
Background technology
Using the pincers road of Gastrointestinal Endoscopes, the various special equipments of application, direct cut-out gastrointestinal mucosa under Gastrointestinal Endoscopes, it is mesh The front Gastrointestinal Endoscopes Minimally Invasive Surgery extensively carried out.Electric snare is a kind of conventional endoscopic instrumentses, and it is entangled using loop coil Focus mucosa, then be energized and excised.Its operation is relatively simple, and compares with other scope cutters and be difficult to injure focus deep layer. But there is limitation in its application.Electric snare is only used for excising the protuberance focus of the base of a fruit, and its loop coil is difficult to entangle flat Focus.
If flat focus is relatively small, injecting fluid below focus mucosa causes disease with scope injection needle to take elder generation The method that stove mucosa praises protuberance, so not only can make the flat focus that originally cannot be entangled be possible to by snare line Snare is lived, and the liquid injected can form liquid cushion between mucosa and muscle layer, prevents the damage to deep tissues for the operating theater instruments Wound.Once focus mucosa is entangled by coil, more directly excised with electric snare.This method is referred to as mucosa under scope and cuts Except art (endoscopic mucosal resec-tion, emr).
If flat focus is larger, after submucosal injection, also it is difficult to complete snare, then mucosa decollement under scope to be adopted (endoscopic submucosal dissection, esd).First with other after row submucosal injection around focus mucosa Ring week around mirror bottom tool row focus mucosa cuts, then to inject-to peel off the method little by little phased separation that-injection-is peeled off Monoblock focus mucosa.
It is required to change of equipment, esd art is more intended to frequently change injection needle and stripping in the operation of above two modus operandi Cutter, it peels off cutter it is also possible to causing bleeding and the perforation of gastrointestinal tract wall, its operation complexity, operating time, operation Complication all considerably increases.
How using the larger flat focus of fairly simple and safe method excision, improve procedure efficiency, reduce operation Difficulty, is that current endoscope field of surgery suffers from a problem that.
Content of the invention
Goal of the invention: the present invention proposes a kind of Gastrointestinal Endoscopes pincers road operating theater instruments provides a kind of electricity snare, flat to excise Flat focus.
For reaching above-mentioned purpose, the present invention provides a kind of electricity snare, include snare handle, inject handle, coil and Transit joint;Described transit joint connects to snare handle via the first connecting tube, and via the second connecting tube connect to Injection handle;Described coil be configured to hollow form and define inside flow-guiding channel, described flow-guiding channel pass through protection pipe with Transit joint connects;The outside of described coil is also associated with tinsel, and tinsel is by described transit joint and the first connecting tube It is connected with the slip ring of described snare handle afterwards;Hollow agnail is additionally provided with described coil as injection needle, and described sky The agnail of the heart is connected with the flow-guiding channel of coil inside, and constitutes together with described protection pipe, transit joint and injection handle Injection passage.
Agnail on described coil is in flat, and the forward tip of coil is welded using two parts butt welding.
Described hollow agnail points to the center of circle direction of coil.
The height of described hollow agnail is 0.4-1.5mm, more than spacing 8mm between agnail.
Described coil is the hollow steel wire of tubulose.
Being uniformly distributed 2-6 piece of agnail on described coil is injection needle.
The present invention compared with prior art, has the advantages that
Beneficial effect: for flat focus, because the inwall of lasso device is provided with one group of agnail, when lasso device is in perilesional When opening and shrinking, agnail blocks perilesional mucosa;By the agnail of flat to multi-point injection liquid under perilesional mucosa Body, so that the inner homogeneous that focus is surrounded in snare coil are praised, swelled, finally tightens up coil, excision, very convenient fast Prompt.No exchange of apparatus in whole process, substantially reduces the time for the treatment of, alleviates the misery of patient.
If flat focus ratio is larger, can first with the conventional method of esd after row submucosal injection around focus mucosa ring Cut snare under mucosa, then the mucosa cutting in ring week with the electric snare wire coil of the present invention week, tighten up, method described above Injection-TURP, it is to avoid the relatively difficult and dangerous peeling action of injection-peel off-injection-peel off.
Injection needle and electric snare are integrated into one structure by the present invention, are not the simple additions of two apparatuses, but Achieve snare, injection, the integration of excision action, realize " first snare is injected afterwards ", ring Zhou Duodian injects and " side simultaneously Injection, side is excised ".
Present configuration is simple, facilitates implementation;Simplify surgical procedure, improve procedure efficiency, reduce sufferer painful.
Brief description
Fig. 1 is the structural representation of the electric snare of the embodiment of the present invention.
Fig. 2 is the close-up schematic view at a in Fig. 1.
Fig. 3 is the close-up schematic view at b in Fig. 1.
Specific embodiment
In order to know more about the technology contents of the present invention, especially exemplified by specific embodiment and coordinate institute's accompanying drawings to be described as follows.
The electric snare of the present invention includes snare handle 1, injection handle 2, coil 3 and transit joint 4.Described transition Joint 4 connects to snare handle 1 via the first connecting tube 5, and connects to injection handle 2 via the second connecting tube 6.
The outside of described coil 3 is also associated with tinsel 10, and tinsel is by described transit joint 4 and the first connecting tube 5 It is connected with the slip ring 9 of described snare handle afterwards.Coil 3 is in oval, circular or hexagonal configuration.
In conjunction with Fig. 2, described electric circle 3 is configured to hollow form and defines the flow-guiding channel 11 of inside.For example, coil is using pipe The hollow steel wire of shape makes.It is distributed in the several pieces of injection needles (point) on electric snare;These injection needles should point to the snare center of circle Direction.
Flow-guiding channel 11 within coil 3 is connected with transit joint 4 by protection pipe 7.
In conjunction with Fig. 2, coil 3 is additionally provided with hollow agnail 8, and described hollow agnail 8 and the water conservancy diversion within electric circle Channel connection, and constitute injection passage together with described protection pipe 7, transit joint 8 and injection handle 2.Operation injection handss During handle 2, injection such as normal saline etc. can reach agnail 8 by injection passage, and is betted to focus mucosa by agnail 8 Penetrate liquid, reuse coil by cutting tissue, be substantially shorter operating time, increase procedure efficiency.
Further, as Fig. 2, the agnail 8 (injection needle or pricker) on described coil is in flat.The most advanced and sophisticated b of coil adopts It is welded with two parts butt welding, such as Fig. 3.
Preferably, the height of hollow agnail is 0.4-1.5mm, and agnail is mainly distributed on the front end of snare or density front End closeer (this is because front end is the effective site of snare cutting when using), more than spacing 8mm between agnail.
When not using, the one end being contracted in operation handle folded up by coil to the lasso device of the present invention, as entrance patient After in gastrointestinal tract, can open in perilesional and shrink, agnail blocks perilesional mucosa;By the agnail of flat to focus Under surrounding mucosa, multi-point injection liquid, so that the inner homogeneous that focus is surrounded in snare coil are praised, swelled, finally tightens up line Circle, high frequency electroblation, very convenient quick.No exchange of apparatus in whole process, substantially reduces the time for the treatment of, alleviates The misery of patient.The present invention has the action of " piercing " unlike injection needle in use, the power that these injection points are tightened up by snare Amount pierces tissue;The present invention can convey liquid by the hollow metal silk of snare, also can be conveyed by other liquid Pipeline is realizing this purpose.Using apparatus of the present invention, injection, TURP, to tighten up be a staggered process, without exchanger Tool, doctor easily operates, not easy damaged deep tissues, and procedure efficiency can greatly improve.
Can be a three-way pipe structure at the cervical region c of snare, such b portion is only required to be a solder joint, permissible It is not a communicating pipe (b point blocks), liquid is from snare two side inflow injection needle.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.The affiliated skill of the present invention Has usually intellectual, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations in art field.Cause This, protection scope of the present invention ought be defined depending on those as defined in claim.

Claims (6)

1. a kind of electricity snare is it is characterised in that include snare handle, injection handle, electric circle and transit joint, wherein:
Described transit joint connects to snare handle via the first connecting tube, and connects to injection handss via the second connecting tube Handle;
Described coil is configured to hollow form and defines the flow-guiding channel of inside, and described flow-guiding channel is connect with transition by protection pipe Head connection;
The outside of described coil is also associated with tinsel, tinsel after described transit joint and the first connecting tube with described circle The slip ring of set device handle connects;
Hollow agnail is additionally provided with described coil as injection needle, and described hollow agnail is led to the water conservancy diversion within electric circle Road connects, and constitutes injection passage together with described protection pipe, transit joint and injection handle.
2. snare of fulgerizing according to claim 1 is it is characterised in that agnail on described coil is in flat, coil Forward tip be welded using two parts butt welding.
3. electricity snare according to claim 1 is it is characterised in that described hollow agnail points to the center of circle side of snare To.
4. according to claim 1 electricity snare it is characterised in that described hollow agnail height be 0.4-1.5mm, More than spacing 8mm between agnail.
5. snare of fulgerizing according to claim 1 and 2 is it is characterised in that described coil is the hollow steel wire of tubulose.
6. the snare of fulgerizing according to one of claim 1-5 is it is characterised in that be uniformly distributed 2-6 piece on described coil Injection needle.
CN201610885133.0A 2016-10-10 2016-10-10 Electrocauterization endoloop Pending CN106344149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610885133.0A CN106344149A (en) 2016-10-10 2016-10-10 Electrocauterization endoloop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610885133.0A CN106344149A (en) 2016-10-10 2016-10-10 Electrocauterization endoloop

Publications (1)

Publication Number Publication Date
CN106344149A true CN106344149A (en) 2017-01-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN106344149A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771003A (en) * 2019-03-18 2019-05-21 刘卫辉 A kind of medical multifunctional tissue snare
CN113367791A (en) * 2021-05-27 2021-09-10 北京中科盛康科技有限公司 Integrated multifunctional medical electric snare

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002282271A (en) * 2001-03-27 2002-10-02 Sumitomo Bakelite Co Ltd Snare with collecting tool
US20050080410A1 (en) * 2003-10-14 2005-04-14 Scimed Life Systems, Inc. Liquid infusion apparatus for radiofrequency tissue ablation
EP2210567A1 (en) * 2009-01-26 2010-07-28 Lina Medical ApS A bipolar electrosurgical instrument and method of using it
CN202207205U (en) * 2011-08-31 2012-05-02 南京微创医学科技有限公司 Anti-winding multifunctional high-frequency cutting knife with endoscope
CN202776537U (en) * 2012-07-26 2013-03-13 上海菲捷实业有限公司 Fulguration snare
CN203935267U (en) * 2014-03-11 2014-11-12 金富康 A kind of snare that is provided with liquid injecting function
CN204581501U (en) * 2015-04-14 2015-08-26 常州市久虹医疗器械有限公司 A kind of rotatable snare with entry needle
CN204636530U (en) * 2015-04-14 2015-09-16 常州市久虹医疗器械有限公司 A kind of compositions, medical apparatus
CN206491868U (en) * 2016-10-10 2017-09-15 南京市第一医院 A kind of fulguration snare

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002282271A (en) * 2001-03-27 2002-10-02 Sumitomo Bakelite Co Ltd Snare with collecting tool
US20050080410A1 (en) * 2003-10-14 2005-04-14 Scimed Life Systems, Inc. Liquid infusion apparatus for radiofrequency tissue ablation
EP2210567A1 (en) * 2009-01-26 2010-07-28 Lina Medical ApS A bipolar electrosurgical instrument and method of using it
CN202207205U (en) * 2011-08-31 2012-05-02 南京微创医学科技有限公司 Anti-winding multifunctional high-frequency cutting knife with endoscope
CN202776537U (en) * 2012-07-26 2013-03-13 上海菲捷实业有限公司 Fulguration snare
CN203935267U (en) * 2014-03-11 2014-11-12 金富康 A kind of snare that is provided with liquid injecting function
CN204581501U (en) * 2015-04-14 2015-08-26 常州市久虹医疗器械有限公司 A kind of rotatable snare with entry needle
CN204636530U (en) * 2015-04-14 2015-09-16 常州市久虹医疗器械有限公司 A kind of compositions, medical apparatus
CN206491868U (en) * 2016-10-10 2017-09-15 南京市第一医院 A kind of fulguration snare

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109771003A (en) * 2019-03-18 2019-05-21 刘卫辉 A kind of medical multifunctional tissue snare
CN109771003B (en) * 2019-03-18 2024-02-06 刘卫辉 Medical multifunctional tissue snare
CN113367791A (en) * 2021-05-27 2021-09-10 北京中科盛康科技有限公司 Integrated multifunctional medical electric snare

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Application publication date: 20170125

RJ01 Rejection of invention patent application after publication