CN116942414B - In-ear granulation ablation plasma electrode - Google Patents
In-ear granulation ablation plasma electrode Download PDFInfo
- Publication number
- CN116942414B CN116942414B CN202311002249.1A CN202311002249A CN116942414B CN 116942414 B CN116942414 B CN 116942414B CN 202311002249 A CN202311002249 A CN 202311002249A CN 116942414 B CN116942414 B CN 116942414B
- Authority
- CN
- China
- Prior art keywords
- insulating layer
- cutter bar
- ear
- interior
- cutter
- 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.)
- Active
Links
- 238000005469 granulation Methods 0.000 title claims abstract description 25
- 230000003179 granulation Effects 0.000 title claims abstract description 25
- 238000002679 ablation Methods 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000002504 physiological saline solution Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 230000023597 hemostasis Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 210000005036 nerve Anatomy 0.000 abstract description 8
- 210000003128 head Anatomy 0.000 description 26
- 210000001519 tissue Anatomy 0.000 description 9
- 230000005284 excitation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000036470 plasma concentration Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 206010063560 Excessive granulation tissue Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- QTCANKDTWWSCMR-UHFFFAOYSA-N costic aldehyde Natural products C1CCC(=C)C2CC(C(=C)C=O)CCC21C QTCANKDTWWSCMR-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000883 ear external Anatomy 0.000 description 1
- 210000003027 ear inner Anatomy 0.000 description 1
- 210000000959 ear middle Anatomy 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003195 fascia Anatomy 0.000 description 1
- 210000001126 granulation tissue Anatomy 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- ISTFUJWTQAMRGA-UHFFFAOYSA-N iso-beta-costal Natural products C1C(C(=C)C=O)CCC2(C)CCCC(C)=C21 ISTFUJWTQAMRGA-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/20—Ear surgery
Abstract
The invention discloses an in-ear granulation ablation plasma electrode, which relates to the technical field of minimally invasive medical instruments and comprises an electrode assembly, a handle, a cable and a normal saline instillation tube which are matched with each other, wherein the electrode assembly comprises an outer insulating layer, an outer cutter bar, an inner insulating layer and an inner cutter bar which are sequentially arranged from outside to inside and sequentially protrude forwards, an outer cutter head is formed on the part of the outer cutter bar, which extends out of the outer insulating layer, the tail end of the inner cutter bar is communicated with an aspiration tube, an inner cutter head is formed on the part of the inner cutter head, which extends out of the inner insulating layer, the inner cutter head is in a semicircular shovel shape and is thicker along the axial direction of the inner cutter bar, and an insulating coating or sliding rail connection and a ceramic cover are also coated on the upper end of the inner cutter head. The invention can easily realize the ablation hemostasis of the granulation on the inner side wall of the fine ear in the ear, greatly improves the overall ablation hemostasis and sucking effect and efficiency, and simultaneously effectively protects the tissues or nerves of a non-operative area in the ear.
Description
Technical Field
The invention relates to the technical field of minimally invasive medical instruments, in particular to an in-ear granulation ablation plasma electrode.
Background
With the continuous development of surgical operations, surgeons gradually expand the surgical operation type aiming at all parts of the human body, however, the smooth operation of different parts is restricted due to the complexity of the structure. The ear is the most complex three-dimensional organ on the surface of a human body, has a three-layer structure, is divided into an outer ear, a middle ear and an inner ear by 16 anatomical units, has a fine concave-convex structure of more than 30 parts, and the ear operation usually involves accurate operations of fine structures such as cutting of skin flaps, fascia flaps and costal cartilages, so that great examination exists for surgical surgeons.
In the ear operation, the endoscopic operation is often needed by means of an ear endoscope, and in the ear operation process, many factors restricting the smooth operation are included, besides the complexity of the structure environment of the ear, the limitation of medical instruments are also key factors affecting the operation. The most common removal of granulation in the intra-aural operation is a problem which is difficult to avoid in the prior art, and also means that the operation is extremely complicated. With the evolution of the medical instrument, the development of the minimally invasive medical instrument in the ear gradually brings good news to the otology surgeons and the in-ear patients, the minimally invasive plasma technology is carried in the otology instrument, ablation hemostasis at low temperature is realized, low-heat damage can be guaranteed, the in-ear nerve is protected, instillation and suction functions are added, the in-ear operation field is clear, and the minimally invasive medical instrument is a non-binary choice of the in-ear medical instrument. Therefore, how to design an electrode meeting the requirement of in-ear operation is a technical problem to be solved.
In the prior art, researches on a plasma operation electrode are related, such as a radiofrequency plasma operation tool bit for tissue hemostasis, a CN219147891U plasma operation end, a CN211156217U plasma operation device and the like, which are disclosed in patent application CN218106030U, wherein the plasma operation tool bit can be widely applied to tissues or nerves in a non-operation area on the basis that a plasma excitation loop is formed through an electrode assembly, the electrode assembly and a physiological saline instillation tube are matched, so that the physiological saline instillation on the electrode assembly is realized, the electrode assembly and the aspiration tube are matched, the surgical field is kept clear to a certain extent, waste liquid and the like are sucked away, however, the plasma energy in the prior art is extremely easy to act on other tissues except for a required operation part, so that the tissues or nerves in the non-operation area are damaged, and in the case that the in-ear granulation ablation belongs to a nerve-dense in-ear operation, the operation tool bit in the prior art is difficult to be widely applied, and the operation fineness and the operation force of the electrode tool bit in the prior art are general, and the operation applicability to the operation of the ear granulation is general, so that the whole ablation hemostasis and the efficiency are also influenced.
For this reason, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an in-ear granulation ablation plasma electrode, which aims to solve the technical problems that the plasma energy in the prior art provided by the background art is extremely easy to act on other tissues except for a part needing an operation, so that extra damage is caused to tissues or nerves of a non-operation area, the in-ear granulation ablation plasma electrode is difficult to be widely applied under the condition that the in-ear granulation ablation belongs to nerve-dense in-ear operation, meanwhile, the operation fineness and the operation strength of an electrode tool bit in the prior art are general, and the operation applicability to in-ear granulation is also general, so that the overall ablation hemostasis and absorption effects and efficiency are influenced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an in-ear granulation melts plasma electrode, includes electrode assembly, handle, cable and normal saline instillation tube that cooperate each other, electrode assembly includes outer insulating layer, outer cutter arbor, interior insulating layer and the interior cutter arbor that set gradually and forward the protrusion in proper order from outside to inside, outer insulating layer, outer cutter arbor, interior insulating layer and interior cutter arbor are hollow structure, have the water injection passageway in the outer cutter arbor, the rear end and the normal saline instillation tube intercommunication of water injection passageway, the part that outer cutter arbor stretches out outer insulating layer is formed with outer tool bit, the full metal of outer tool bit exposes the setting, the end intercommunication of interior cutter arbor has the suction tube and the part that interior tool bit stretches out interior insulating layer is formed with interior tool bit, interior tool bit is semi-circular shovel form and is thicker more near interior cutter arbor axial, semi-circular lower extreme metal of interior tool bit exposes the setting, the upper end spraying of interior tool bit is covered with insulating coating or slide rail connection and is covered with the ceramic lid.
Further, the outer cutter bar is provided with a bulge for preventing the inner cutter head from deviating, the bulge is tightly attached to the outer wall of the inner insulating layer, a gap is reserved between the part of the outer cutter bar except the bulge and the outer wall of the inner insulating layer and is tightly attached to the inner wall of the outer insulating layer, an end limiting cavity matched with the ceramic cover is formed between the front end of the inner insulating layer and the outer wall of the inner cutter bar, the part of the inner insulating layer except the end limiting cavity is tightly attached to the outer wall of the inner cutter bar, the handle comprises a handle shell, a handle tail shell and an embedded pipe, the rear end of the handle shell is connected with the handle tail shell, the front end of the embedded pipe extends out of the front end of the handle shell, the rear end of the embedded pipe is positioned in the handle tail shell, a positioning sleeve for forming a channel for hermetically accommodating the outer insulating layer, the outer cutter bar, the inner insulating layer and the inner cutter bar is also arranged in the front end of the embedded pipe, the front end of outer insulating layer, outer cutter arbor, interior insulating layer and interior cutter arbor pass the front end of embedded pipe behind the positioning sleeve simultaneously, the rear end of outer insulating layer is located inside the positioning sleeve, the rear end of outer cutter arbor, interior insulating layer and interior cutter arbor stretches out the rear end of positioning sleeve and locates the inside of embedded pipe, the rear end of outer cutter arbor is formed with the water filling port, embedded pipe is the binary channels setting and including the upper channel that is used for fixed inner cutter arbor and outer cutter arbor's rear end to and be used for making water filling port and normal saline instillation pipe intercommunication down passageway, the cable includes first pole wire and the second pole wire of connecting respectively on inner cutter arbor and outer cutter arbor, the junction of first pole wire and interior cutter arbor and the junction of second pole wire and outer cutter arbor all are fixed to be located the inside of upper channel, first pole wire, the second electrode lead, the suction tube and the normal saline instillation tube are led out from the rear end of the handle tail shell.
Further, the insulating coating is a teflon coating, and a first through hole for leading out a first electrode wire and a second through hole for leading out a suction tube and a normal saline instillation tube are formed on the handle tail shell far away from the handle shell.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the electrode assembly, the handle, the cable, the physiological saline instillation tube and the suction tube which are matched with each other are arranged, the electrode assembly is formed into a plasma excitation loop by the outer insulating layer, the outer cutter bar, the inner insulating layer, the inner cutter bar and the outer cutter bar, and meanwhile, the inner cutter bar is in a semicircular shovel shape and is matched with the inner cutter bar in an axial thicker way, a shovel-shaped blade structure with a necking design is formed, the lower end is in an arc-shaped shape, a round and non-angular working surface is formed, the operation edge sharpness of the inner cutter bar is effectively improved on the basis of mechanical damage to tissues or nerves in the ear, so that the operation force of the inner cutter bar is improved, the operation applicability of the inner cutter bar and the inner cutter bar is effectively improved on the basis of digging and the like of the conventional shovel-shaped structure, the ablation hemostasis of the inner cutter bar and the inner cutter bar can be easily realized in the ear, the damaged granulation tissue of the ear can also enter the suction tube rapidly and accurately, the whole hemostasis can be effectively maintained, the whole hemostasis and the suction surface is greatly improved, the whole hemostasis surface is effectively sprayed on the inner cutter bar and the inner cutter bar can be further coated on the inner cutter bar, the inner cutter bar is further provided on the basis of the fine-shaped blade or the inner cutter bar, the inner cutter bar is further provided with a fine-shaped blade, the fine-shaped blade is further, the physiological saline can be fully coated on the inner side of the inner cutter bar is fully coated on the inner side, and the inner cutter bar is further provided on the physiological saline has the inner insulation structure, and the inner edge is fully coated on the inner side of the inner edge, and has the physiological saline protection effect is well-shaped protection effect, and has the fine operation protection effect can be well coated on the inner physiological-shaped medium has the inner knife-shaped better and better operation knife blade has better operation knife blade can be well coated on the inner drum better and better has better improved better operation.
2. In the invention, the part of the inner cutter head extending out of the inner insulating layer is provided with the inner cutter head as an emitter excited by plasma, the part of the outer cutter rod extending out of the outer insulating layer is provided with the outer cutter head as a loop pole excited by plasma, in this case, the outer cutter rod is provided with the bulge, the bulge is arranged closely to the outer wall of the inner insulating layer, and the situation that the emitter is deviated when the cutter head is pressed in a book can be effectively prevented by the matched arrangement of the bulge, so that the operation effect and efficiency on granulation in ears are further improved.
3. The upper end of the inner cutter head is provided with different insulating modes, the upper end of the inner cutter head can directly adopt a plating layer to realize plasma concentration of a unilateral arc-shaped cutting edge according to different operation requirements, or a ceramic cover connected through a sliding rail can realize detachable limiting coverage, so that the tissue or nerve of a non-operation area in the ear can be protected, and meanwhile, the operation effect and efficiency on granulation in the ear can be further ensured.
Drawings
Fig. 1 is a schematic view showing the overall structure of a plasma electrode according to embodiment 1 of the present invention;
FIG. 2 is an exploded view of the plasma electrode of example 1 of the present invention (omitting the cable, the suction tube and the normal saline drip tube);
FIG. 3 is a schematic diagram of the working principle of the embedded pipe of embodiment 1 of the present invention;
fig. 4 is a schematic structural view of an electrode tip according to embodiment 1 of the present invention;
fig. 5 is a schematic view of the working principle of the electrode tip according to embodiment 1 of the present invention;
fig. 6 is an exploded view of the electrode rod of embodiment 1 of the present invention;
FIG. 7 is a schematic view showing the principle of the connection mounting of the electrode tip and the ceramic cap of embodiment 1 of the present invention;
fig. 8 is a schematic view of the working principle of an electrode tip according to embodiment 2 of the present invention;
in the figure: 1. electrode tool bit, 2, electrode rod, 3, handle, 4, positioning sleeve, 5, interior cutter arbor, 6, outer cutter arbor, 7, interior insulating layer, 8, outer insulating layer, 9, interior tool bit, 10, outer cutter bit, 11, protruding, 12, handle shell, 13, handle tail shell, 14, embedded pipe, 15, cable, 16, water injection port, 17, normal saline instillation pipe, 18, suction pipe, 19, ceramic cover, 20, grooved slide rail, 21, insulating coating, 22, first through hole, 23, second through hole, 24, upper channel, 25, lower channel, 26, water injection channel.
Detailed Description
The following examples are intended to further illustrate the invention and are not intended to limit the application of the invention.
Example 1
Referring to fig. 1 to 7, an in-ear granulation ablation plasma electrode includes a normal saline instillation tube 17, a suction tube 18 (the basic components such as a negative pressure source and a flow regulator of the conventional suction tube are not specifically described herein, but should not be limited to the realization of the functions thereof), a handle 3, a ceramic cover 19 (the ceramic cover 19 is made of an insulating material and may be a high-strength alumina ceramic cover), a cable 15 including a first electrode wire and a second electrode wire (the cable 15 may be a positive and negative electrode conductive cable here), and an electrode assembly (the basic structure such as a control circuit board of the conventional plasma operation electrode is not specifically described herein, and should not be limited to the realization of the functions thereof) composed of a motor cutter head 1 and an electrode rod 2, the electrode rod 2 includes a hollow inner cutter bar 5, and a hollow outer cutter bar 6 having a water filling port 16 at the rear end thereof, the outer cutter bar 6 is sleeved outside the inner cutter bar 5 in a clearance way and a gap is reserved between the outer cutter bar 6 and the inner cutter bar 7 to form a water injection channel 26 which is used as a water injection channel of normal saline, the inner cutter bar 5 is tightly provided with an inner insulating layer 7 outside, the outer cutter bar 6 is tightly provided with an outer insulating layer 8 outside, the outer insulating layer 8, the outer cutter bar 6, the inner insulating layer 7 and the inner cutter bar 5 are sequentially arranged from outside to inside, the electrode cutter head 1 comprises a hollow inner cutter head 9 and a hollow outer cutter head 10, the front end of the inner cutter bar 5 extends out of the front end of the inner insulating layer 7 and is exposed to form the inner cutter head 9, the front end of the inner cutter bar 5 is used as an emitter excited by plasma, the inner cutter head 9 is in a semicircular shovel shape, the edge of the shovel-shaped structure is thinner and is thicker closer to the inner cutter bar 5 in the axial direction, the lower end of the ceramic cover 19 is provided with a groove type slide rail 20 and is connected with the slide rail through the groove type slide rail 20 and covers the upper end of the inner cutter head 9, an end limiting cavity for inserting the rear end of the ceramic cover 19 is reserved between the front end of the inner insulating layer 7 and the outer wall of the inner cutter bar 5, the front end of the inner insulating layer 7 extends out of the front end of the outer cutter bar 6, the front end of the outer cutter bar 6 extends out of the front end of the outer insulating layer 8 and the metal is exposed to form an outer cutter head 10, the outer cutter bar 6 is used as a loop electrode for plasma excitation, a protrusion 11 for preventing an emitter from deviating is further formed on the outer cutter bar 6, and the protrusion 11 is tightly attached to the outer wall of the inner insulating layer 7.
Further, the handle 3 comprises a handle housing 12 and a handle tail housing 13 connected to the rear end of the handle housing 12, an embedded tube 14 is provided on the inner side of the handle housing 12, the front end of the embedded tube 14 extends out of the front end of the handle housing 12, the rear end of the embedded tube 14 is located in the handle tail housing 13, a positioning sleeve 4 for accommodating the outer insulating layer 8, the outer cutter bar 6, the inner insulating layer 7 and the inner cutter bar 5 is simultaneously provided in the front end of the embedded tube 14, the front ends of the outer insulating layer 8, the outer cutter bar 6, the inner insulating layer 7 and the inner cutter bar 5 pass through the positioning sleeve 4 together and then extend out of the front end of the embedded tube 14, an upper channel 24 and a lower channel 25 are formed separately from each other, the rear end of the outer insulating layer 8 is provided in the positioning sleeve 4, the rear end of the outer cutter bar 6 extends out of the rear end of the positioning sleeve 4 and is fixed in the upper channel 24 (the conventional fixing manner such as insulating gel filling is not specifically described here, but is not limited in the drawings), the lower channel 25 connects the rear end of the outer cutter bar 6 with the saline inlet 16 and the rear end of the inner cutter bar 5 to the suction tube 17 and the inner cutter bar 5, and the suction tube 18 is connected to the rear end of the suction tube 5 and extends out of the inner end of the suction tube 18.
Further, the first electrode wire and the second electrode wire forming the cable 15 are respectively electrically connected with the inner cutter bar 5 and the outer cutter bar 6, the connection part of the first electrode wire and the inner cutter bar 5 and the connection part of the second electrode wire and the outer cutter bar 6 are fixedly arranged in the upper channel 24, the rear end of the handle tail shell 13 is divided to form a first through hole 22 and a second through hole 23, the cable 15 penetrates through the handle tail shell 13 and penetrates out of the first through hole 22 of the handle tail shell 13, and the normal saline instillation tube 17 and the suction tube 18 penetrate through the handle tail shell 13 and penetrate out of the second through hole 23 of the handle tail shell 13.
The working principle and the using process of the invention are as follows: as shown in fig. 1 to 7, one end of the cable 15 positioned outside is connected with a terminal to electrify the electrode cutter head 1, and meanwhile, physiological saline flows from the outer cutter head 10 to the head of the inner cutter head 9 through the physiological saline instillation tube 17, the lower channel 25, the water injection port 16 and the water injection channel 26 in sequence, at this time, plasma energy flows between the inner cutter head 9 and the outer cutter head 10 to form a plasma excitation loop, and in the plasma excitation process, the physiological saline effectively wraps the position of the inner cutter head 9 which is not covered by the ceramic cover 19, so that plasma is kept concentrated on a spade blade structure of the inner cutter head 9, and finally, the ablation of granulation on the inner side wall of a fine ear is realized easily, and the tissue or nerve of a non-operation area in the ear is effectively protected while the hemostatic effect is achieved;
in the whole process, the suction tube 18 can form a suction channel in operation through the inner cutter bar 5, and is matched with the spade-shaped blade structure of the inner cutter head 9 to realize a suction function, so that the operation visual field is effectively kept clear, and granulation is sucked off, thereby greatly improving the operation effect and operation efficiency.
Example 2
Referring to fig. 1 to 3, 5, 6 and 8, the difference between the present embodiment and embodiment 1 is that: the ceramic cover 19 is not arranged on the inner cutter head 9, and an insulating coating 21 made of teflon is sprayed at the same position to cover the upper end of the inner cutter head 9, so that plasma concentration of single-side arc-shaped cutting edges is realized.
Claims (7)
1. The utility model provides an in-ear granulation melts plasma electrode, includes electrode assembly, handle, cable and normal saline instillation tube of mutually supporting, electrode assembly includes by outer to interior setting gradually and forward convex outer insulating layer, outer cutter arbor, interior insulating layer and interior cutter arbor in proper order, the part that outer cutter arbor stretched out outer insulating layer is formed with outer cutter head, the end intercommunication of interior cutter arbor has the suction tube and the part that interior cutter arbor stretched out interior insulating layer is formed with interior cutter head, its characterized in that, interior cutter head is semi-circular shovel form and is more near interior cutter arbor and is thicker, the upper end of interior cutter head still the spraying cover has insulating coating or slide connection and covers and have the ceramic lid, the semi-circular lower extreme metal of interior cutter head exposes the setting, the handle includes handle shell, handle tail shell and embedded pipe, the rear end of handle shell is connected with the handle tail shell, the front end of embedded pipe stretches out the front end of handle shell, the rear end of embedded pipe is located the inside of handle tail shell, the rear end of embedded pipe is located the handle tail shell, the rear end of outer cutter arbor is semi-circular shovel form and is covered with insulating coating or slide rail connection and cover, and cover has the ceramic lid, outer cutter arbor all metal is exposed to be connected with the wire and the second passageway, lead, the front end and the second passageway and the front end of the second passageway and the front end are located and the front and the second passageway and the front end.
2. An in-ear granulation ablation plasma electrode as claimed in claim 1, wherein the outer cutter bar is provided with a water injection channel therein, and the rear end of the water injection channel is communicated with a physiological saline instillation tube.
3. The in-ear granulation ablation plasma electrode according to claim 1, wherein a protrusion for preventing the inner cutter head from deviating is formed on the outer cutter bar, the protrusion is tightly attached to the outer wall of the inner insulating layer, a gap is left between a part of the outer cutter bar except the protrusion and the outer wall of the inner insulating layer and is tightly attached to the inner wall of the outer insulating layer, an end limiting cavity matched with the ceramic cover is formed between the front end of the inner insulating layer and the outer wall of the inner cutter bar, and a part of the inner insulating layer except the end limiting cavity is tightly attached to the outer wall of the inner cutter bar.
4. An in-ear granulation ablation plasma electrode as claimed in claim 3, wherein the outer cutter, the inner cutter and the inner cutter are hollow.
5. The in-ear granulation ablation plasma electrode according to claim 1, wherein the front end of the inner tube is further provided with a positioning sleeve forming a passage for accommodating the outer insulating layer, the outer cutter bar, the inner insulating layer and the inner cutter bar in a sealing manner, the front ends of the outer insulating layer, the outer cutter bar, the inner insulating layer and the inner cutter bar simultaneously penetrate through the positioning sleeve and then extend out of the front end of the inner tube, the rear end of the outer insulating layer is arranged inside the positioning sleeve, and the rear ends of the outer cutter bar, the inner insulating layer and the inner cutter bar extend out of the rear end of the positioning sleeve and are arranged inside the inner tube.
6. The in-ear granulation ablation plasma electrode according to claim 1, wherein the handle tail housing is formed with a first through hole for leading out the first electrode lead and the second electrode lead, and a second through hole for leading out the suction tube and the normal saline drip tube.
7. An in-ear granulation ablation plasma electrode as claimed in claim 1, wherein the insulating coating is a teflon coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002249.1A CN116942414B (en) | 2023-08-10 | 2023-08-10 | In-ear granulation ablation plasma electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311002249.1A CN116942414B (en) | 2023-08-10 | 2023-08-10 | In-ear granulation ablation plasma electrode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116942414A CN116942414A (en) | 2023-10-27 |
| CN116942414B true CN116942414B (en) | 2024-04-02 |
Family
ID=88461916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311002249.1A Active CN116942414B (en) | 2023-08-10 | 2023-08-10 | In-ear granulation ablation plasma electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116942414B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013931A (en) * | 2018-01-04 | 2018-05-11 | 成都美创医疗科技股份有限公司 | A kind of low temperature plasma procedures electrode |
| CN111643176A (en) * | 2020-04-14 | 2020-09-11 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for otitis media minimally invasive surgery and using method thereof |
| CN115337054A (en) * | 2022-10-19 | 2022-11-15 | 成都美创医疗科技股份有限公司 | Plasma-assisted rotary-cut biopsy needle for breast tumors |
| CN218128736U (en) * | 2022-03-18 | 2022-12-27 | 诺美新创医疗科技(成都)研究院(有限合伙) | In-ear electrode with stripping function |
| CN115607264A (en) * | 2022-10-22 | 2023-01-17 | 江苏邦士医疗科技有限公司 | Plasma power planing cutter |
| CN219289667U (en) * | 2022-08-12 | 2023-07-04 | 江苏邦士医疗科技有限公司 | Plasma planing knife |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003068311A2 (en) * | 2002-02-13 | 2003-08-21 | Arthrocare Corporation | Electrosurgical apparatus and methods for treating joint tissue |
| WO2008057410A2 (en) * | 2006-11-02 | 2008-05-15 | Peak Surgical, Inc. | Electric plasma-mediated cutting and coagulation of tissue and surgical apparatus |
-
2023
- 2023-08-10 CN CN202311002249.1A patent/CN116942414B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108013931A (en) * | 2018-01-04 | 2018-05-11 | 成都美创医疗科技股份有限公司 | A kind of low temperature plasma procedures electrode |
| CN111643176A (en) * | 2020-04-14 | 2020-09-11 | 珠海市司迈科技有限公司 | Radio frequency ablation electrode for otitis media minimally invasive surgery and using method thereof |
| CN218128736U (en) * | 2022-03-18 | 2022-12-27 | 诺美新创医疗科技(成都)研究院(有限合伙) | In-ear electrode with stripping function |
| CN219289667U (en) * | 2022-08-12 | 2023-07-04 | 江苏邦士医疗科技有限公司 | Plasma planing knife |
| CN115337054A (en) * | 2022-10-19 | 2022-11-15 | 成都美创医疗科技股份有限公司 | Plasma-assisted rotary-cut biopsy needle for breast tumors |
| CN115607264A (en) * | 2022-10-22 | 2023-01-17 | 江苏邦士医疗科技有限公司 | Plasma power planing cutter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116942414A (en) | 2023-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1853187B1 (en) | Surgical blade assembly | |
| US6355035B1 (en) | Surgical cutting tool | |
| US6193715B1 (en) | Device for converting a mechanical cutting device to an electrosurgical cutting device | |
| JPS6459B2 (en) | ||
| CN211985646U (en) | Plasma surgical tool | |
| CN208799318U (en) | A kind of adjustable medical otology plasma scalpel | |
| CN116942414B (en) | In-ear granulation ablation plasma electrode | |
| CN113081245A (en) | Multifunctional incision knife | |
| CN217066569U (en) | Double-cutter-head cutter bar assembly and plasma operation electrode | |
| CN209864030U (en) | Bipolar electric cutting endoscope | |
| CN218009941U (en) | Plasma scalpel head and scalpel | |
| CN218128736U (en) | In-ear electrode with stripping function | |
| CN213430512U (en) | Ablation electrode structure | |
| CN210843426U (en) | Plasma bipolar operation electrode | |
| CN112842509A (en) | Tool bit for plasma scalpel and plasma scalpel | |
| CN211583474U (en) | Single-bent electrode structure and operation electrode | |
| CN219480320U (en) | But angle regulation's plasma scalpel and operation device | |
| CN113413208A (en) | Fluid-assisted visual bipolar coagulation hemostasis device | |
| CN218128730U (en) | Plasma ablation blood coagulation electrode with suction function for otolaryngological department | |
| CN217338820U (en) | Flexible electrode | |
| CN219289672U (en) | Puncture ablation pen | |
| CN219397550U (en) | Electric coagulation knife assembly | |
| CN214761430U (en) | Tool bit for plasma scalpel and plasma scalpel | |
| CN213606852U (en) | Electrode tool bit subassembly and bipolar operation electrode | |
| CN113425404A (en) | Joint low-temperature plasma multifunctional scalpel |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |