CN104224318A - Anti-adhesion plasma operation electrode - Google Patents
Anti-adhesion plasma operation electrode Download PDFInfo
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- CN104224318A CN104224318A CN201410506665.XA CN201410506665A CN104224318A CN 104224318 A CN104224318 A CN 104224318A CN 201410506665 A CN201410506665 A CN 201410506665A CN 104224318 A CN104224318 A CN 104224318A
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Abstract
The invention relates to a plasma operation electrode. An anti-adhesion plasma operation electrode comprises a protective jacket, an outer tubular electrode, an inner electrode base, an inner electrode, a drainage opening and a water filling nozzle, wherein the protective jacket is arranged outside the outer tubular electrode, the end part of the outer tubular electrode is exposed out of the protective jacket, the inner electrode base is arranged on the end part of the outer tubular electrode, the inner electrode and the drainage opening are arranged on and formed in an inner electrode bracket, the drainage opening is communicated with a draining channel, and the end part of the outer tubular electrode and the inner electrode are provided with oleophobic layers or super-oleophobic layers. According to the anti-adhesion plasma operation electrode, the end part of the outer tubular electrode and the inner electrode have oleophobic or super-oleophobic characteristics, so that the adhesion speed and the quantity of operation products on a discharge electrode can be reduced in the process of an operation, the blocking phenomenon of the drainage opening of the plasma operation electrode is maximally reduced, and the operation stability and the operation quality can be effectively improved.
Description
Technical field
The present invention relates to a kind of Plasma surgical electrode, belong to medical plasma body field of surgical.
Background technology
Low temperature plasma ablation techniques is because having safety, Wicresoft, simple to operate, the advantages such as patient suffering is little, be applied to the every field of ENT & HN Surgery Dept. gradually, the ultimate principle of this technology is the electric field utilizing certain frequency, convert the electrolyte between Plasma surgical electrode and target tissue to low-temperature plasma figure, the plasma thin layer of a high aggregation is formed in procedures electrode front end, powerful electric field makes free strip charged particle in plasma thin layer obtain enough energy, and by energy delivery to target tissue, dissociate and form the molecular link of cell component in target tissue, cell in target tissue is disintegrated in units of molecule, be decomposed into carbohydrate and oxide, and cause the coagulation necrosis of tissue, thus reach and melt and cutting effect.Low temperature plasma ablation belongs to Minimally Invasive Surgery, the safety of local mucosa tissues structure can be kept, and can effectively alleviate postoperative edema and pain, time of melting is very short, and the time of about 15-20 minute, namely postsurgery symptoms is eased, generally postoperatively can not to recur again, be applicable to the type of repairing of the various tissue of human body, excision and blood coagulation, the safe no pain of operation process, can effectively treatment of allergic rhinitis, chronic rhinitis, snoring, pharyngitis etc.
Plasma surgical electrode is for completing low temperature plasma operation and the operating theater instruments that design, usually needs possess excision, solidify, rinse, the function such as suction.The electrode size of Plasma surgical electrode is less, and complex structure.If the aperture in electrode discharge region is performed the operation, product blocking, will directly affect the functions such as Liquid transfer, flushing, suction, even need to interrupt operation process, can continue operation after changing procedures electrode.Therefore, alleviate the blocking of Plasma surgical electrode draining hole and can effectively improve operation process stability and surgical quality.
Summary of the invention
The object of the invention is to overcome above-mentioned not enough problem, a kind of anti-adhesive Plasma surgical electrode is provided, reduce the generation of draining hole clogging to greatest extent, to improve operation process stability and surgical quality.
The technical solution adopted in the present invention is as follows: a kind of anti-adhesive Plasma surgical electrode, comprises sheath, outer tubular electrode, interior electrode base, interior electrode, draining hole, water filling port, outer tubular electrode outside is provided with sheath, and sheath is exposed in outer tubular electrode end, the end of outer tubular electrode is provided with interior electrode base, and interior electrode suppor is provided with interior electrode and draining hole, draining hole is communicated with hydrophobic channel, and outer tubular electrode end and interior electrode are with oleophobic layer or super oleophobic layer.Oleophobic and super oleophobic refer to that solid is greater than the surface of 90 degree and 150 degree respectively to oily contact angle, and this type of surface has the performance of not sticking water, solution, wet goods most liquid.
Described sheath adopts the nontoxic insulant such as PVC, PE or PTFE to be prepared from.
Described interior electrode suppor adopts the heat-resistant insulation material such as PEET, PTFE, PI or pottery to be prepared from.
The stainless steel tube that described outer tubular electrode adopts conduction good.
Described interior electrode adopts the refractory metals such as molybdenum, gold, platinum or tungsten or its reasonable offer becomes thread, lamellar or other shape electrode.
Form liquid feeding channel between described hydrophobic channel outside wall surface and outer tubular electrode internal face, water filling port is arranged on inside outer tubular electrode and between interior electrode base, water filling port is communicated with liquid feeding channel.
Liquid feeding channel is formed between described hydrophobic channel outside wall surface and outer tubular electrode internal face, water filling port is opened in the diameter with angle of inclination of outer tubular electrode near end to be less than the small in fluid apertures of 1.5mm, supply the axis of fluid apertures and outer tubular electrode axis angle to be less than 90 °, water filling port is communicated with liquid feeding channel.
Be provided with spiral helicine feed tank between described sheath and outer tubular electrode, feed tank is communicated with water filling port.
The processing of outer tubular electrode end of the present invention and interior electrode oleophobic layer or super oleophobic layer: assemble procedures electrode again after outer tubular electrode end and interior electrode can being adopted respectively electrochemical etching and low-surface-energy modification to be processed into oleophobic layer or super oleophobic layer; Also oleophobic layer or super oleophobic layer can be processed into by adopting electrochemical etching and low-surface-energy to modify outer tubular electrode end and interior electrode again after procedures electrode assembling.
Usefulness of the present invention is: outer tubular electrode end and interior electrode have the Plasma surgical electrode of the characteristic of oleophobic or super oleophobic, can reduce and reduce the adhesion speed of the product such as waste liquid, fragment of tissue on sparking electrode and quantity that produce in operation, ensure that in operation process, product and waste liquid are discharged in time.Current surgical is performed the operation the procedures electrode not possessing electrode oleophobic property adopted, the hydroxyl produced when plasma discharge on the one hand, the contour surface energy substance of carboxyl are adsorbed in electrode surface with solution, make to melt product to be easy to be attached on inside and outside electrode surface, the stability of impact electric discharge; On the other hand, because procedures electrode size limit, draining hole bore is less, and has interior electrode to cover near draining hole, melts product and be attached on inside and outside electrode surface during operation, and draining hole can be caused to block, and even causes carrying out smoothly of operation.Therefore, the Plasma surgical electrode with the characteristic of oleophobic or super oleophobic can reduce to greatest extent and melts product and attach to the draining hole clogging that electrode surface causes, and ensures electrode discharge stability, improves surgical quality.
Accompanying drawing explanation
Fig. 1 is Plasma surgical electrode schematic diagram provided by the invention.
Fig. 2 is Plasma surgical electrode front end provided by the invention region of discharge schematic diagram.
Fig. 3 is the procedures electrode schematic diagram of the inner feed liquid way of the present invention.
Fig. 4 is that the present invention tilts the procedures electrode schematic diagram of micropore feed liquid way.
Fig. 5 is spiral feed liquid way procedures electrode schematic diagram of the present invention.
Fig. 6 is the feed tank structural representation of spiral feed liquid way procedures electrode of the present invention
In figure, sheath 1, outer tubular electrode 2, interior electrode base 3, interior electrode 4, draining hole 5, water filling port 6, interior electrode oleophobic or super oleophobic layer 7, external electrode oleophobic or super oleophobic layer 8.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
Embodiment 1
A kind of anti-adhesive Plasma surgical electrode, as shown in Figure 1, comprise sheath, outer tubular electrode, interior electrode base, interior electrode, draining hole, water filling port, sheath 1 is insulated sleeve, material can be PVC, PE or PTFE etc., sheath is coated on external electrode 2 outer surface, and sheath is exposed in outer tubular electrode end, outer tubular electrode 2 is stainless steel tube, the end of outer tubular electrode is provided with interior electrode base, interior electrode base 3 is high temperature plastics PEET, PTFE, PI or pottery, interior electrode suppor is provided with interior electrode and draining hole, draining hole is communicated with hydrophobic channel, liquid feeding channel is formed between hydrophobic channel outside wall surface and outer tubular electrode internal face, water filling port 6 is arranged on inside outer tubular electrode and between interior electrode base, water filling port is communicated with liquid feeding channel, as shown in Figure 3, interior electrode 4 is thread or lamellar, material is gold, platinum, molybdenum or tungsten etc., outer tubular electrode end is with oleophobic layer or super oleophobic layer 8, interior electrode is with oleophobic layer or super oleophobic layer 7.Oleophobic and super oleophobic refer to that solid is greater than the surface of 90 degree and 150 degree respectively to oily contact angle, and this type of surface has the performance of not sticking water, solution, wet goods most liquid.Outer tubular electrode end and interior electrode have the Plasma surgical electrode of the characteristic of oleophobic or super oleophobic, the adhesion speed of the product such as waste liquid, fragment of tissue on sparking electrode that produces in performing the operation and quantity can be avoided, ensure that in operation process, product and waste liquid are discharged in time.
Embodiment 2
A kind of anti-adhesive Plasma surgical electrode, as shown in Figure 1, comprise sheath, outer tubular electrode, interior electrode base, interior electrode, draining hole, water filling port, sheath 1 is insulated sleeve, material can be PVC, PE or PTFE etc., sheath is coated on external electrode 2 outer surface, and sheath is exposed in outer tubular electrode end, outer tubular electrode 2 is stainless steel tube, the end of outer tubular electrode is provided with interior electrode base, interior electrode base 3 is high temperature plastics PEET, PTFE, PI or pottery, outer tubular electrode end is with oleophobic layer or super oleophobic layer 8, interior electrode is with oleophobic layer or super oleophobic layer 7, interior electrode suppor is provided with interior electrode and draining hole, draining hole is communicated with hydrophobic channel, liquid feeding channel is formed between hydrophobic channel outside wall surface and outer tubular electrode internal face, water filling port 6 is opened in the diameter with angle of inclination of outer tubular electrode near end to be less than the small in fluid apertures of 1.5mm, water filling port 6 diameter is 0.8mm herein, for axis and the outer tubular electrode axis angle of fluid apertures
αbe 30 °, water filling port is communicated with liquid feeding channel, as shown in Figure 4.
Embodiment 3
A kind of anti-adhesive Plasma surgical electrode, as described in figures 1 and 5, comprise sheath, outer tubular electrode, interior electrode base, interior electrode, draining hole and water filling port, sheath 1 is insulated sleeve, can be the insulation such as PVC, PE or PTFE, exotic material makes, spiral type feed tank is formed, as shown in Figure 5 between sheath and outer tubular electrode; Outer tubular electrode end is not covered by sheath, electrode base in the installation by adhering of outer tubular electrode end, interior electrode base 3 can use high-temperature resistance plastice PTFE, PEEK, PI or pottery, it processes draining hole 5 and the structure that interior electrode can be fixed, interior electrode 4 is the thread or pellet electrode that the materials such as molybdenum, gold, tungsten or platinum are made, outer tubular electrode end is with oleophobic layer or super oleophobic layer 8, and interior electrode is with oleophobic layer or super oleophobic layer 7.
Wherein spiral type feed tank can have three kinds of implementations: one be jacket inner surface with spiral grooves, outer tubular electrode 2 is stainless steel tube, and sheath 1 wraps tightly 2 outer surfaces on outer tubular electrode, forms spiral type feed tank between sheath and outer tubular electrode; Two is process spiral grooves at outer tubular electrode outer surface, and sheath 1 wraps tightly 2 outer surfaces on outer tubular electrode, forms spiral type feed tank between sheath and outer tubular electrode; Three is spiral winding filaments on outer tubular electrode, and sheath 1 wraps tightly 2 outer surfaces on outer tubular electrode, forms spiral type feed tank between sheath and outer tubular electrode.
The processing of outer tubular electrode end and interior electrode oleophobic layer or super oleophobic layer in the various embodiments described above: assemble procedures electrode again after outer tubular electrode end and interior electrode can being adopted respectively electrochemical etching and low-surface-energy modification to be processed into oleophobic layer or super oleophobic layer; Also oleophobic layer or super oleophobic layer can be processed into by adopting electrochemical etching and low-surface-energy to modify outer tubular electrode end and interior electrode again after procedures electrode assembling.
Claims (9)
1. an anti-adhesive Plasma surgical electrode, comprises sheath, outer tubular electrode, interior electrode base, interior electrode, draining hole, water filling port, outer tubular electrode outside is provided with sheath, and sheath is exposed in outer tubular electrode end, it is characterized in that: the end of outer tubular electrode is provided with interior electrode base, and interior electrode suppor is provided with interior electrode and draining hole, draining hole is communicated with hydrophobic channel, and outer tubular electrode end and interior electrode are with oleophobic layer or super oleophobic layer.
2. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: described sheath adopts PVC, PE or PTFE to be prepared from.
3. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: described interior electrode suppor adopts PEET, PTFE, PI or ceramic preparation to form.
4. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: the stainless steel tube that described outer tubular electrode adopts conduction good.
5. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: described interior electrode adopts molybdenum, gold, platinum or tungsten metal or metal alloy to be prepared into thread, pellet electrode.
6. a kind of anti-adhesive Plasma surgical electrode according to claim 1, it is characterized in that: between described hydrophobic channel outside wall surface and outer tubular electrode internal face, form liquid feeding channel, water filling port is arranged on inside outer tubular electrode and between interior electrode base, water filling port is communicated with liquid feeding channel.
7. a kind of anti-adhesive Plasma surgical electrode according to claim 1, it is characterized in that: between described hydrophobic channel outside wall surface and outer tubular electrode internal face, form liquid feeding channel, water filling port is opened in the diameter with angle of inclination of outer tubular electrode near end to be less than the small in fluid apertures of 1.5mm, supply the axis of fluid apertures and outer tubular electrode axis angle to be less than 90 °, water filling port is communicated with liquid feeding channel.
8. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: be provided with spiral helicine feed tank between described sheath and outer tubular electrode, feed tank is communicated with water filling port.
9. a kind of anti-adhesive Plasma surgical electrode according to claim 1, is characterized in that: the processing of outer tubular electrode end and interior electrode oleophobic layer or super oleophobic layer: assemble procedures electrode again after outer tubular electrode end and interior electrode can being adopted respectively electrochemical etching and low-surface-energy modification to be processed into oleophobic layer or super oleophobic layer; Also oleophobic layer or super oleophobic layer can be processed into by adopting electrochemical etching and low-surface-energy to modify outer tubular electrode end and interior electrode again after procedures electrode assembling.
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| CN201410506665.XA CN104224318A (en) | 2014-09-28 | 2014-09-28 | Anti-adhesion plasma operation electrode |
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| CN201410506665.XA CN104224318A (en) | 2014-09-28 | 2014-09-28 | Anti-adhesion plasma operation electrode |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402117A (en) * | 2017-03-22 | 2019-11-01 | 磁疗血栓切除术解决方案有限公司 | Utilize the thrombectomy of electrostatic force and suction force |
| WO2021208934A1 (en) * | 2020-04-14 | 2021-10-21 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for minimally invasive surgery of otitis media and use method therefor |
| US11660105B2 (en) | 2017-11-23 | 2023-05-30 | Magneto Thrombectomy Solutions Ltd. | Tubular thrombectomy devices |
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| US6024733A (en) * | 1995-06-07 | 2000-02-15 | Arthrocare Corporation | System and method for epidermal tissue ablation |
| US20040054366A1 (en) * | 1998-08-11 | 2004-03-18 | Arthrocare Corporation | Instrument for electrosurgical tissue treatment |
| CN201727580U (en) * | 2010-08-17 | 2011-02-02 | 刘向东 | Plasma otorhinolaryngologic operating knife |
| CN102090923A (en) * | 2009-12-14 | 2011-06-15 | 冷博 | Anti-adhesion surgical device |
| CN203710122U (en) * | 2013-09-09 | 2014-07-16 | 西安外科医学科技有限公司 | Cold-circulation low-temperature plasma tumor ablation knife |
| CN204121165U (en) * | 2014-09-28 | 2015-01-28 | 大连顺达微创科技有限公司 | A kind of anti-adhesive Plasma surgical electrode |
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2014
- 2014-09-28 CN CN201410506665.XA patent/CN104224318A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6024733A (en) * | 1995-06-07 | 2000-02-15 | Arthrocare Corporation | System and method for epidermal tissue ablation |
| US20040054366A1 (en) * | 1998-08-11 | 2004-03-18 | Arthrocare Corporation | Instrument for electrosurgical tissue treatment |
| CN102090923A (en) * | 2009-12-14 | 2011-06-15 | 冷博 | Anti-adhesion surgical device |
| CN201727580U (en) * | 2010-08-17 | 2011-02-02 | 刘向东 | Plasma otorhinolaryngologic operating knife |
| CN203710122U (en) * | 2013-09-09 | 2014-07-16 | 西安外科医学科技有限公司 | Cold-circulation low-temperature plasma tumor ablation knife |
| CN204121165U (en) * | 2014-09-28 | 2015-01-28 | 大连顺达微创科技有限公司 | A kind of anti-adhesive Plasma surgical electrode |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402117A (en) * | 2017-03-22 | 2019-11-01 | 磁疗血栓切除术解决方案有限公司 | Utilize the thrombectomy of electrostatic force and suction force |
| US11660105B2 (en) | 2017-11-23 | 2023-05-30 | Magneto Thrombectomy Solutions Ltd. | Tubular thrombectomy devices |
| WO2021208934A1 (en) * | 2020-04-14 | 2021-10-21 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for minimally invasive surgery of otitis media and use method therefor |
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Application publication date: 20141224 |