CN106344149A - Electrocauterization endoloop - Google Patents
Electrocauterization endoloop Download PDFInfo
- 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
Links
Classifications
-
- 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
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical 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
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00482—Digestive system
- A61B2018/00494—Stomach, intestines or bowel
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/10—Trunk
- A61M2210/1042—Alimentary 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
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.
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 |
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CN106344149A true CN106344149A (en) | 2017-01-25 |
Family
ID=57865656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610885133.0A Pending CN106344149A (en) | 2016-10-10 | 2016-10-10 | Electrocauterization endoloop |
Country Status (1)
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CN (1) | CN106344149A (en) |
Cited By (2)
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)
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 |
-
2016
- 2016-10-10 CN CN201610885133.0A patent/CN106344149A/en active Pending
Patent Citations (9)
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)
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 |
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