CN116919562A - Oral cavity ablation device - Google Patents
Oral cavity ablation device Download PDFInfo
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- CN116919562A CN116919562A CN202310995761.4A CN202310995761A CN116919562A CN 116919562 A CN116919562 A CN 116919562A CN 202310995761 A CN202310995761 A CN 202310995761A CN 116919562 A CN116919562 A CN 116919562A
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- microneedle
- ablation device
- oral
- adapter
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- 238000002679 ablation Methods 0.000 title claims abstract description 81
- 210000000214 mouth Anatomy 0.000 title abstract description 49
- 238000005452 bending Methods 0.000 claims description 35
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000011282 treatment Methods 0.000 abstract description 6
- 230000001575 pathological effect Effects 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 description 62
- 230000007935 neutral effect Effects 0.000 description 11
- 230000005684 electric field Effects 0.000 description 10
- 230000003902 lesion Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 6
- 238000011298 ablation treatment Methods 0.000 description 5
- 238000005538 encapsulation Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 230000030833 cell death Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 210000002200 mouth mucosa Anatomy 0.000 description 2
- 238000007674 radiofrequency ablation Methods 0.000 description 2
- 208000009137 Behcet syndrome Diseases 0.000 description 1
- 206010006326 Breath odour Diseases 0.000 description 1
- 208000032139 Halitosis Diseases 0.000 description 1
- 208000010798 Tongue disease Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000020670 canker sore Diseases 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000010001 cellular homeostasis Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 206010013781 dry mouth Diseases 0.000 description 1
- 208000007565 gingivitis Diseases 0.000 description 1
- 201000011486 lichen planus Diseases 0.000 description 1
- 208000013602 lip disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
-
- 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
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
Abstract
The application provides an oral cavity ablation device, which comprises a first electrode, a second electrode and an operating handle; the first electrode is fixedly connected with the operating handle, the second electrode is fixedly connected with the operating handle, and the first electrode and the second electrode are oppositely arranged; the first electrode is provided with at least one first micro needle, the second electrode is provided with at least one second micro needle, and the first micro needle and the second micro needle extend out from the end side of the operation handle; the first electrode and the second electrode are for emitting pulses through the first microneedle and the second microneedle to a target tissue. According to the oral cavity ablation device, the at least one first micro needle and the at least one second micro needle which are arranged at the end side of the extending operation handle emit pulses to target tissues, so that the oral cavity pathological tissues can be selectively treated, and the treatment effect of oral cavity ablation is improved.
Description
Technical Field
The application relates to the technical field of oral cavity ablation, in particular to an oral cavity ablation device.
Background
Oral mucosa diseases are all diseases in the oral cavity except odontopathy, and common are lichen planus, canker sore, behcet's disease, tongue disease, lip disease, dry mouth, halitosis, gingivitis, sphagitis and the like.
In the prior art, the oral mucosa diseases are usually treated by adopting treatment modes such as radio frequency ablation, microwave ablation, laser ablation or ultrasonic ablation, and the radio frequency ablation, the microwave ablation, the laser ablation and the ultrasonic ablation belong to a temperature ablation technology, and the temperature ablation technology can deteriorate proteins through high temperature so as to cause cell death.
Disclosure of Invention
The application provides an oral cavity ablation device, which can selectively treat pathological tissues of an oral cavity and improve the treatment effect of oral cavity ablation by transmitting pulses to target tissues through at least one first micro needle and at least one second micro needle which are arranged at the end side of an extending operation handle.
The application provides an oral cavity ablation device, which comprises a first electrode, a second electrode and an operating handle;
the first electrode is fixedly connected with the operating handle, the second electrode is fixedly connected with the operating handle, and the first electrode and the second electrode are oppositely arranged;
the first electrode has at least one first microneedle, the second electrode has at least one second microneedle, and both the first microneedle and the second microneedle protrude from the end side of the operation handle;
The first electrode and the second electrode are for emitting pulses through the first microneedle and the second microneedle to a target tissue.
Further, the operating handle comprises a support shell and an electrode adapter;
the electrode adapter is fixedly connected to the end side of the support shell;
the one end of the first electrode deviating from the needle head of the first micro needle and the one end of the second electrode deviating from the needle head of the second micro needle are fixedly connected with one end of the electrode adapter, which is far away from the support shell, respectively, and the first electrode and the second electrode are fixed on two opposite end sides of one end of the electrode adapter, which is far away from the support shell.
Further, the operation handle also comprises an electrode fixing piece;
the electrode fixing piece is sleeved on the electrode adapter piece and covers the connecting part between the first electrode and the electrode adapter piece and the connecting part between the second electrode and the electrode adapter piece, and the electrode fixing piece is used for respectively fixing the first electrode and the second electrode on the end side of the electrode adapter piece;
the first and second microneedles each extend outwardly from an end side of the electrode mount.
Further, the support shell comprises a first shell and a second shell, and the first shell and the second shell are fixedly connected to form a shell inner cavity;
one end of the electrode adapter extends into the inner cavity of the shell and is fixed between the first shell and the second shell;
at least one of the first shell and the second shell extends into the electrode fixing piece and is fixedly connected with the electrode adapter.
Further, the end part of the electrode adapter is provided with a first electrode positioning part and a second electrode positioning part;
the first electrode is provided with a third electrode positioning part which is matched with the first electrode positioning part, and the first electrode positioning part and the third electrode positioning part can be abutted so as to limit the movement of the first electrode;
the second electrode is provided with a fourth electrode positioning part which is matched with the second electrode positioning part, and the second electrode positioning part and the fourth electrode positioning part can be abutted to limit the movement of the second electrode.
Further, the end part of the electrode adapter is provided with a groove, and the electrode fixing piece can extend into the groove.
Further, the end part of the electrode adapter is also provided with a first electrode assembly pin and a second electrode assembly pin;
The first electrode has a first electrode assembly hole adapted to the first electrode assembly pin, the first electrode assembly pin being capable of penetrating out of the first electrode assembly hole;
the second electrode has a second electrode fitting hole fitted with the second electrode fitting pin, and the second electrode fitting pin is capable of penetrating out from the second electrode fitting hole.
Further, the first electrode comprises a plurality of first micro-needles and a first electrode connecting part fixedly connected with the plurality of first micro-needles, the plurality of first micro-needles are adjacently arranged at the end side of the first electrode connecting part in a row, and a first arc connecting structure is formed between the adjacent first micro-needles;
the second electrode comprises a plurality of second micro-needles and second electrode connecting parts fixedly connected with the second micro-needles, the second micro-needles are adjacently arranged at the end sides of the second electrode connecting parts in a row, and a second arc connecting structure is formed between the second micro-needles.
Further, the cross-sectional dimension of the distal end of the first microneedle is smaller than the cross-sectional dimension of the proximal end of the first microneedle;
the distal end of the second microneedle has a cross-sectional dimension that is smaller than a cross-sectional dimension of the proximal end of the second microneedle.
Further, the first microneedle comprises a first tapered end, and the first tapered end is arranged at the distal end of the first microneedle;
the second microneedle comprises a second tapered end disposed at a distal end of the second microneedle.
Further, the operation handle comprises a plurality of operation areas which are connected in sequence, each operation area comprises an arc-shaped section, and the arc-shaped sections adjacent to the operation areas are bent towards different directions.
Further, the plurality of operation regions include a first grip region, a second grip region, and an extension region;
the first holding area, the second holding area and the extending area are sequentially connected to form an S shape, and the extending area is respectively connected with the first electrode and the second electrode.
Further, the oral ablation device has a handle axis, the oral ablation device satisfying at least one of the following characteristics:
a first bending angle is formed between the first holding area and the axial direction of the operating handle, and the first bending angle is 10-30 degrees;
a second bending angle is formed between the second holding area and the axial direction of the operating handle, and the second bending angle is 10-30 degrees;
the extending-in area and the axial direction of the operating handle are provided with a third bending angle which is 30-55 degrees.
Further, the oral ablation device further comprises a first wire and a second wire;
the first electrode is provided with a first wire connecting hole, and the first wire connecting hole is used for the first wire to pass through and be fixedly connected with the first wire;
the second electrode is provided with a second wire connecting hole, and the second wire connecting hole is used for the second wire to pass through and be fixedly connected with the second wire.
Further, the length of the first micro needle extending from the end side of the operation handle is 1-3mm, and the length of the second micro needle extending from the end side of the operation handle is 1-3mm.
Further, the operating handle is a reducing operating handle, and the radial dimension of the reducing operating handle is reduced from the proximal end to the distal end.
Further, the first electrode is in a sheet shape, and the second electrode is in a sheet shape.
The oral cavity ablation device provided by the application has the following beneficial effects:
the oral cavity ablation device comprises a first electrode, a second electrode and an operation handle; the first electrode is fixedly connected with the operating handle, the second electrode is fixedly connected with the operating handle, and the first electrode and the second electrode are oppositely arranged; the first electrode is provided with at least one first micro needle, the second electrode is provided with at least one second micro needle, and the first micro needle and the second micro needle extend out from the end side of the operation handle; the first electrode and the second electrode are for emitting pulses through the first microneedle and the second microneedle to a target tissue. According to the oral cavity ablation device, the at least one first micro needle and the at least one second micro needle which are arranged at the end side of the extending operation handle emit pulses to target tissues, so that the oral cavity pathological tissues can be selectively treated, and the treatment effect of oral cavity ablation is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a partial structure of an oral cavity ablating device according to an embodiment of the present application;
fig. 2 is an exploded view of an oral ablation device according to an embodiment of the present application;
fig. 3 is a schematic view of a partial structure of an oral cavity ablating device according to an embodiment of the present application;
fig. 4 is a schematic partial structure of an electrode adapter according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a first electrode according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a second electrode according to an embodiment of the present application;
fig. 7 is a schematic structural view of an oral cavity ablating device according to an embodiment of the present application;
fig. 8 is a schematic structural view of an oral cavity ablating device according to an embodiment of the present application;
fig. 9 is a schematic structural view of an oral cavity ablating device according to an embodiment of the present application.
The following supplementary explanation is given to the accompanying drawings:
10-a first electrode; 11-first microneedles; 12-a third electrode positioning portion; 13-a first electrode assembly hole; 14-a first electrode connection; 15-a first wire connection hole; 20-a second electrode; 21-second microneedles; 22-a fourth electrode positioning portion; 23-a second electrode assembly hole; 24-a second electrode connection; 25-a second wire connection hole; 30-an operation handle; 31-a support housing; 311-a first housing; 312-a second housing; 32-electrode adapter; 321-a first electrode positioning portion; 322-a second electrode positioning portion; 323-grooves; 324-a first electrode assembly pin; 325-second electrode assembly pins; 33-electrode fixtures; 34-a first grip region; 35-a second grip region; 36-reach-in region.
Detailed Description
In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
Embodiments of the present application will now be described with reference to fig. 1-9, which do not limit the scope of the application described in the claims.
The present specification provides method operational steps as an example or a flowchart, but may include more or fewer operational steps based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one way of performing the order of steps and does not represent a unique order of execution.
Referring to fig. 1-9, an embodiment of the present application provides an oral ablation device comprising a first electrode 10, a second electrode 20, and a handle 30; the first electrode 10 is fixedly connected with the operating handle 30, the second electrode 20 is fixedly connected with the operating handle 30, and the first electrode 10 and the second electrode 20 are oppositely arranged; the first electrode 10 has at least one first microneedle 11, the second electrode 20 has at least one second microneedle 21, and both the first microneedle 11 and the second microneedle 21 protrude from the end side of the handle 30; the first electrode 10 and the second electrode 20 are used to emit pulses to a target tissue through the first microneedle 11 and the second microneedle 21.
In some embodiments, the first electrode 10 and the second electrode 20 are fixedly connected to distal ends of the operating handle 30, respectively, and the operating handle 30 is used to fix the relative positions of the first electrode 10 and the second electrode 20.
Preferably, the structure and connection of the first electrode 10 are identical to those of the second electrode 20, so that the structure and assembly of the oral ablation device can be simplified.
In some embodiments, the first electrode 10 has a plurality of first microneedles 11 and the second electrode 20 has a plurality of second microneedles 21; the arrangement of the plurality of first microneedles 11 and the plurality of second microneedles 21 can enhance the energy of the pulses emitted from the first electrode 10 and the second electrode 20, and thus can improve the ablation treatment efficiency of the oral ablation device.
Preferably, the number of the first microneedles 11 is identical to the number of the second microneedles 21.
In some embodiments, the first microneedle 11 is configured to pierce and extend into the target tissue, and the second microneedle 21 is configured to pierce and extend into the target tissue; the first electrode 10 and the second electrode 20 constitute an electrode pair, and pulses are emitted in the target tissue through the first micro-needle 11 and the second micro-needle 21 to perform ablation treatment on the target tissue.
Specifically, the first electrode 10 and the second electrode 20 can emit pulses with a microsecond or nanosecond width to the target tissue through the first microneedle 11 and the second microneedle 21 to destroy the stability of the cell membrane surface of the target tissue, so that a plurality of hydrophilic micropores appear on the surface of the target tissue, and further destroy the cell homeostasis, and finally cause cell death, so as to achieve the ablation treatment effect on the target tissue.
Specifically, since different tissues have different energy thresholds, the energy of the pulses emitted by the first microneedle 11 and the second microneedle 21 is controlled, so that the pulses emitted by the first microneedle 11 and the second microneedle 21 can be precisely targeted, and the target tissue can be subjected to pulse ablation treatment without damaging other tissues, with tissue selectivity.
The oral cavity ablation device comprises a first electrode, a second electrode and an operation handle; the first electrode is fixedly connected with the operating handle, the second electrode is fixedly connected with the operating handle, and the first electrode and the second electrode are oppositely arranged; the first electrode is provided with at least one first micro needle, the second electrode is provided with at least one second micro needle, and the first micro needle and the second micro needle extend out from the end side of the operation handle; the first electrode and the second electrode are for emitting pulses through the first microneedle and the second microneedle to a target tissue. According to the oral cavity ablation device, the at least one first micro needle and the at least one second micro needle which are arranged at the end side of the extending operation handle emit pulses to target tissues, so that the oral cavity pathological tissues can be selectively treated, and the treatment effect of oral cavity ablation is improved.
In the embodiment of the present application, the operation handle 30 includes a support housing 31 and an electrode adapter 32; the electrode adapter 32 is fixedly connected to the end side of the support housing 31; the end of the first electrode 10 facing away from the needle of the first microneedle 11 and the end of the second electrode 20 facing away from the needle of the second microneedle 21 are fixedly connected with the end of the electrode adapter 32 facing away from the support housing 31, respectively, and the first electrode 10 and the second electrode 20 are fixed to opposite end sides of the end of the electrode adapter 32 facing away from the support housing 31.
In some embodiments, the electrode adapter 32 is pin-fitted with the hole of the support housing 31, and the electrode adapter 32 is fixedly connected with the support housing 31 by means of laser welding.
Specifically, the proximal end of the first electrode 10 is fixedly connected to the distal end of the electrode adapter 32; accordingly, the proximal end of the second electrode 20 is fixedly connected to the distal end of the electrode adapter 32.
Specifically, the first electrode 10 and the second electrode 20 are disposed on opposite sides of the electrode adapter 32, and a predetermined distance is provided between the first electrode 10 and the second electrode 20.
In the embodiment of the present application, the first electrode 10 and the second electrode 20 are fixedly connected to opposite sides of the electrode adaptor 32 at a predetermined interval, so that the reliability of the fixed connection between the operating handle 30 and the first electrode 10 and between the operating handle 30 and the second electrode 20 can be improved.
In the embodiment of the present application, the operation handle 30 further includes an electrode fixing member 33; the electrode fixing piece 33 is sleeved on the electrode adapter 32 and covers the connection part between the first electrode 10 and the electrode adapter 32 and the connection part between the second electrode 20 and the electrode adapter 32, and the electrode fixing piece 33 is used for fixing the first electrode 10 and the second electrode 20 on the end sides of the electrode adapter 32 respectively; the first and second microneedles 11 and 21 each protrude outwardly from the end sides of the electrode fixing members 33.
Specifically, the electrode adapter 32 and the electrode holder 33 cooperate to hold the first electrode 10 and the second electrode 20.
In some embodiments, the electrode fixing member 33 may be soft-encapsulated, and the electrode fixing member 33 is fixed around the electrode adapter member 32 by injection molding to fix the first electrode 10 and the second electrode 20.
In some embodiments, both the first and second microneedles 11, 21 extend fully out of the end sides of the electrode mount 33.
In the embodiment of the application, the electrode fixing piece 33 is a soft rubber coating wrapped on the end side of the electrode adapter 32, so that the fixing effect on the first electrode 10 and the second electrode 20 can be improved, the first electrode 10 and/or the second electrode 20 is prevented from falling off in the process of oral cavity ablation, and the use safety of the oral cavity ablation device is improved.
In the embodiment of the present application, the support housing 31 includes a first housing 311 and a second housing 312, where the first housing 311 and the second housing 312 are fixedly connected to form a housing cavity; one end of the electrode adapter 32 extends into the inner cavity of the shell and is fixed between the first shell 311 and the second shell 312; at least one of the first housing 311 and the second housing 312 is provided to extend into the electrode holder 33 and is fixedly connected to the electrode adapter 32.
In some embodiments, the first housing 311 and the second housing 312 are pin-fitted, and the first housing 311 and the second housing 312 may be fixedly connected by laser welding.
Specifically, the proximal end of the electrode adapter 32 can extend into the inner cavity of the housing and be fixedly clamped between the first housing 311 and the second housing 312, so that the reliability of the fixed connection between the electrode adapter 32 and the support housing 31 can be improved.
In some embodiments, the distal end of the first housing 311 is disposed in a protruding manner relative to the distal end of the second housing 312, the distal end of the first housing 311 being fixedly connected to the electrode adapter 32; specifically, the electrode fixing member 33 can wrap around and fix the distal end of the electrode adapter 32 and the distal end of the first housing 311, and the distal end of the first housing 311 extends into the electrode fixing member 33, so that the reliability of the fixed connection between the first housing 311 and the electrode adapter 32 can be improved.
Specifically, the distal end of the first housing 311 is pin-fitted with the hole of the electrode adapter 32, and the distal end of the first housing 311 and the electrode adapter 32 may be fixedly connected by laser welding.
In the embodiment of the application, the end part of the electrode adapter 32 is provided with a first electrode positioning part 321 and a second electrode positioning part 322; the first electrode 10 has a third electrode positioning portion 12 fitted with the first electrode positioning portion 321, the first electrode positioning portion 321 being capable of abutting against the third electrode positioning portion 12 to restrict movement of the first electrode 10; the second electrode 20 has a fourth electrode positioning portion 22 that fits with the second electrode positioning portion 322, and the second electrode positioning portion 322 can abut against the fourth electrode positioning portion 22 to restrict movement of the second electrode 20.
In some embodiments, the first electrode positioning portion 321 includes a first stop portion 3211 and a second stop portion 3212; correspondingly, the third electrode positioning part 12 comprises a third limiting part 121 matched with the first limiting part 3211 and a fourth limiting part 122 matched with the second limiting part 3212; the first limiting portion 3211 and the third limiting portion 121 are matched and abutted, the second limiting portion 3212 and the fourth limiting portion 122 are matched and abutted, movement of the first electrode 10 relative to the electrode adapter 32 can be limited, and injection molding and encapsulation of the electrode fixing piece 33 are facilitated.
In some embodiments, the second electrode positioning portion 322 includes a fifth limit portion 3221 and a sixth limit portion 3222; correspondingly, the fourth electrode positioning portion 22 includes a seventh limiting portion 221 adapted to the fifth limiting portion 3221 and an eighth limiting portion 222 adapted to the sixth limiting portion 3222; the fifth limiting portion 3221 and the seventh limiting portion 221 are in matching and abutting connection, and the sixth limiting portion 3222 and the eighth limiting portion 222 are in matching and abutting connection, so that movement of the second electrode 20 relative to the electrode adapter 32 can be limited, and injection molding and encapsulation of the electrode fixing piece 33 are facilitated.
In the embodiment of the present application, the end of the electrode adapter 32 is provided with a groove 323, and the electrode holder 33 can be inserted into the groove 323.
Specifically, the end of the electrode adapter 32 is provided with a plurality of grooves 323, so that the contact area between the electrode fixing member 33 and the electrode adapter 32 can be increased, and the encapsulation firmness of the electrode fixing member 33 can be improved.
In the embodiment of the present application, the end of the electrode adapter 32 is further provided with a first electrode assembly pin 324 and a second electrode assembly pin 325; the first electrode 10 has a first electrode assembly hole 13 fitted with a first electrode assembly pin 324, the first electrode assembly pin 324 being capable of penetrating out of the first electrode assembly hole 13; the second electrode 20 has a second electrode assembly hole 23 fitted with a second electrode assembly pin 325, and the second electrode assembly pin 325 can pass out of the second electrode assembly hole 23.
Specifically, the first electrode 10 is sleeved on the first electrode assembly pin 324 through the first electrode assembly hole 13, so that the convenience of assembling the first electrode 10 can be improved; the protruding arrangement of the first electrode assembly pin 324 can also improve the encapsulation firmness of the electrode holder 33.
Specifically, the second electrode 20 is fitted over the second electrode fitting pin 325 through the second electrode fitting hole 23, so that the convenience of fitting the second electrode 20 can be improved; the convex arrangement of the second electrode assembly pin 325 can also improve the encapsulation firmness of the electrode holder 33.
In the embodiment of the present application, the first electrode 10 includes a plurality of first micro-needles 11 and a first electrode connection portion 14 fixedly connected to the plurality of first micro-needles 11, wherein the plurality of first micro-needles 11 are adjacently arranged at the end side of the first electrode connection portion 14 in a row, and a first arc connection structure is formed between the adjacent first micro-needles 11; the second electrode 20 includes a plurality of second micro-needles 21 and a second electrode connecting portion 24 fixedly connected to the plurality of second micro-needles 21, wherein the plurality of second micro-needles 21 are adjacently arranged at the end side of the second electrode connecting portion 24, and a second arc connecting structure is formed between the adjacent second micro-needles 21.
Specifically, the plurality of first microneedles 11 are adjacently arranged on the distal end side of the first electrode connection portion 14 in a row, and the adjacent first microneedles 11 are smoothly connected through the first arc connection structure, so that stress concentration at the connection portion of the adjacent first microneedles 11 can be reduced, and the possibility that the first microneedles 11 are bent by external force is reduced.
Specifically, the plurality of second micro-needles 21 are arranged in adjacent rows on the distal end side of the second electrode connection portion 24, and the adjacent second micro-needles 21 are connected smoothly by the second circular arc connection structure, so that stress concentration at the connection portion of the adjacent second micro-needles 21 can be reduced, and the possibility that the second micro-needles 21 are bent by external force is reduced.
In some specific embodiments, the first electrode 10 comprises five first microneedles 11 and, correspondingly, the second electrode 20 comprises five second microneedles 21.
The number of the first microneedles 11 and the number of the second microneedles 21 are not limited according to the actual situation, and the number of the first microneedles 11 and the number of the second microneedles 21 are not limited in the present application.
In the embodiment of the present application, the cross-sectional dimension of the distal end of the first microneedle 11 is smaller than the cross-sectional dimension of the proximal end of the first microneedle 11; the cross-sectional dimension of the distal ends of the second microneedles 21 is smaller than the cross-sectional dimension of the proximal ends of the second microneedles 21.
Specifically, the cross-sectional dimension of the first microneedle 11 increases from the distal end to the proximal end of the first microneedle 11, so that the structural strength of the first microneedle 11 can be improved, the connection strength between the first microneedle 11 and the first electrode connection portion 14 can be improved, and the bending resistance of the first microneedle 11 can be further improved.
Specifically, the cross-sectional dimension of the second microneedle 21 increases from the distal end to the proximal end of the second microneedle 21, and thus, the structural strength of the second microneedle 21 can be improved, the connection strength between the second microneedle 21 and the second electrode connection portion 24 can be improved, and the bending resistance of the second microneedle 21 can be further enhanced.
In the embodiment of the present application, the first microneedle 11 includes a first tapered end, and the first tapered end is disposed at the distal end of the first microneedle 11; the second microneedle 21 comprises a second tapered end disposed at the distal end of the second microneedle 21.
In some embodiments, the shape of the first microneedle 11 is tapered, so that the piercing effect of the first microneedle 11 can be ensured, and the bending resistance of the first microneedle 11 can be improved.
Accordingly, the shape of the second microneedle 21 is tapered, so that the piercing effect of the second microneedle 21 can be ensured, and the bending resistance of the second microneedle 21 can be improved.
In the embodiment of the present application, the operation handle 30 includes a plurality of operation areas sequentially connected, the operation areas include arc-shaped sections, and the arc-shaped sections of adjacent operation areas are bent toward different directions, so that the flexibility of inserting the oral ablation device can be improved, the first microneedle 11 and the second microneedle 21 can be conveniently pierced and inserted into the target tissue, and the degree of abutment of the distal end side of the electrode fixture 33 with the target tissue can be improved.
In the embodiment of the present application, the plurality of operation regions includes a first grip region 34, a second grip region 35, and an extension region 36; the first holding area 34, the second holding area 35 and the extending area 36 are connected in sequence to form an S shape, and the extending area 36 is respectively connected with the first electrode 10 and the second electrode 20.
Specifically, the arc-shaped section of the first holding area 34 and the arc-shaped section of the second holding area 35 are curved in different directions, and the arc-shaped section of the second holding area 35 and the arc-shaped section of the extending area 36 are curved in different directions.
Specifically, the first holding area 34 is disposed at the proximal end of the support housing 31, the second holding area 35 is disposed at the distal end of the support housing 31, and the extending area 36 is disposed on the electrode fixing member 33.
In the embodiment of the present application, the first holding area 34, the second holding area 35 and the extending area 36 which are connected in sequence and are in an S shape can further improve the extending flexibility of the oral cavity ablation device, and further improve the abutting degree of the distal end side of the electrode fixing member 33 and the target tissue.
In the embodiment of the application, the oral cavity ablation device is provided with an axial direction of the operation handle, a first bending angle is formed between the first holding area 34 and the axial direction of the operation handle, and the first bending angle is 10-30 degrees; the second holding area 35 and the axial direction of the operation handle have a second bending angle, and the second bending angle is 10-30 degrees; the extending-in area 36 and the axial direction of the operation handle have a third bending angle of 30-55 degrees, so that the extending-in flexibility of the oral cavity ablation device can be further improved, and the abutting degree of the distal end side of the electrode fixing piece 33 and the target tissue can be further improved.
It will be appreciated that the handle axis may be a directional axis in longitudinal section of the oral ablation device that indicates the height of the oral ablation device, as exemplified by the direction of the arrows in fig. 9.
Preferably, the first bending angle between the first gripping area 34 and the axial direction of the handle is 20 °, the second bending angle between the second gripping area 35 and the axial direction of the handle is 20 °, and the third bending angle between the extending area 36 and the axial direction of the handle is 45 °.
In the embodiment of the application, the first holding area 34, the second holding area 35 and the extending area 36 are arranged in an arc shape, so that the far end of the oral cavity ablation device can flexibly extend into the corner position in the oral cavity, and the far end of the oral cavity ablation device can be pressed to the target position in the oral cavity more accurately and with better reliability; the arc-shaped bending arrangement of the first holding area 34, the second holding area 35 and the extending area 36 is also convenient for the operator to hold, so that the operator can conveniently replace the holding position of the oral ablation device according to the position of the target tissue, and the operation experience of the operator can be improved.
In an embodiment of the present application, the oral ablation device further comprises a first wire and a second wire; the first electrode 10 is provided with a first wire connection hole 15, and the first wire connection hole 15 is used for the first wire to pass through and be fixedly connected with the first wire; the second electrode 20 is provided with a second wire connection hole 25, and the second wire connection hole 25 is used for the second wire to pass through and fixedly connect with the second wire.
In some embodiments, a first wire connection hole 15 is provided through the first electrode 10; the first lead and the first electrode 10 are fixedly connected through the first lead connecting hole 15, specifically, the first lead and the first electrode 10 are welded at the first lead connecting hole 15, so that the reliability of the fixed connection of the first lead and the first electrode 10 can be improved, and the falling-off of the first lead can be prevented.
In some embodiments, a second wire connection hole 25 is provided through the second electrode 20; the second wire is fixedly connected with the second electrode 20 through the second wire connection hole 25, specifically, the second wire is welded with the second electrode 20 at the second wire connection hole 25, so that the reliability of the fixed connection of the second wire and the second electrode 20 can be improved, and the falling-off of the second wire can be prevented.
In the embodiment of the application, the length of the first microneedle 11 extending from the end side of the operating handle 30 is 1-3mm, and the length of the second microneedle 21 extending from the end side of the operating handle 30 is 1-3mm, so that the puncture effect of the first microneedle 11 and the second microneedle 21 on target tissues can be ensured, the energy of the first microneedle 11 and the second microneedle 21 for transmitting pulses to the target tissues can be ensured, and the treatment effect of the oral cavity ablation device on the pulse ablation of the target tissues can be further ensured.
In the embodiment of the present application, the operation handle 30 is a variable diameter operation handle, and the radial dimension of the variable diameter operation handle decreases from the proximal end to the distal end.
Specifically, the radial dimension of the variable-diameter operating handle gradually decreases from the proximal end to the distal end, so that the holding comfort and the operating convenience of the oral cavity ablation device can be improved.
In the embodiment of the present application, the first electrode 10 is in a sheet shape, and the second electrode 20 is in a sheet shape.
Specifically, the first electrode 10 may be cut from a metal sheet, and the second electrode 20 may be cut from a metal sheet.
In the embodiment of the application, the first electrode 10 and the second electrode 20 are both sheet-shaped electrodes, so that the first electrode 10 and the second electrode 20 are conveniently and closely fixed with the electrode adapter 32 respectively, and the fixing effect of the electrode adapter 32 and the electrode fixing piece 33 on the first electrode 10 and the second electrode 20 respectively can be improved, thereby further preventing the first electrode 10 and the second electrode 20 from shifting and falling off.
In the embodiment of the application, the oral cavity ablation device further comprises a sensing device and a control device, wherein the sensing device is electrically connected with the control device, and the control device is electrically connected with the first electrode 10 and the second electrode 20 respectively; the sensing device is used for acquiring the electric field environment parameters of the target tissue and sending the electric field environment parameters to the control device; the control device is used for controlling the first electrode 10 and the second electrode 20 to emit pulses to target tissues based on the electric field environment parameters, so that the use safety of the oral cavity ablation device can be improved.
In particular, the electric field environmental parameters may include current and voltage.
Specifically, whether the target tissue is a lesion tissue may be determined based on the electric field environmental parameter, and in the case where it is determined that the target tissue is a lesion tissue, the first electrode 10 and the second electrode 20 are controlled to emit pulses to the target tissue.
Further, the sensing device is further configured to obtain an abutment parameter between the distal end of the operating handle 30 and the target tissue, and control the first electrode 10 and the second electrode 20 to emit pulses to the target tissue when the abutment parameter indicates that the distal end of the operating handle 30 and the target tissue are reasonably abutted, so that the use safety of the oral cavity ablation device and the therapeutic efficiency of pulse ablation can be improved.
In some embodiments, the oral ablation device may be used in conjunction with a neutral electrode; for example, a neutral electrode can be attached to the target tissue according to the requirement, the oral cavity ablation device can identify the neutral electrode, and the first electrode 10 and the second electrode 20 are controlled to be homopolar and form an electrode pair with the neutral electrode to emit pulses to the target tissue under the condition that the oral cavity ablation device identifies the neutral electrode.
Specifically, since the neutral electrode is spaced farther from the first electrode 10 and the second electrode 20 than the first electrode 10 and the second electrode 20 are spaced apart from each other, the pulse radiation range is larger, but the pulse energy is lower, so that the method is suitable for target tissues with larger lesion ranges and shallower lesion depths.
Accordingly, when the oral ablation device is used alone, the range of pulses emitted to the target tissue by the electrodes formed by the first electrode 10 and the second electrode 20 is concentrated, and the pulse energy is high, so that the oral ablation device is suitable for the target tissue with a small lesion range and a deep lesion depth.
The following describes specific embodiments of the present application based on the above technical solutions.
Example 1
Referring to fig. 1-9, a first embodiment provides an oral ablation device comprising a first electrode 10, a second electrode 20, and a handle 30; the first electrode 10 is fixedly connected with the operating handle 30, the second electrode 20 is fixedly connected with the operating handle 30, and the first electrode 10 and the second electrode 20 are oppositely arranged; the first electrode 10 has at least one first microneedle 11, the second electrode 20 has at least one second microneedle 21, and both the first microneedle 11 and the second microneedle 21 protrude from the end side of the handle 30; the first electrode 10 and the second electrode 20 are used to emit pulses to a target tissue through the first microneedle 11 and the second microneedle 21.
The first electrode 10 and the second electrode 20 are fixedly connected to distal ends of the operating handle 30, respectively, and the operating handle 30 is used for fixing relative positions of the first electrode 10 and the second electrode 20.
The first electrode 10 has a plurality of first microneedles 11, and the second electrode 20 has a plurality of second microneedles 21; the arrangement of the plurality of first microneedles 11 and the plurality of second microneedles 21 can enhance the energy of the emitted pulses of the first electrode 10 and the second electrode 20.
The first microneedle 11 is used for puncturing and extending into the target tissue, and the second microneedle 21 is used for puncturing and extending into the target tissue; the first electrode 10 and the second electrode 20 constitute an electrode pair, and pulses are emitted in the target tissue through the first micro-needle 11 and the second micro-needle 21 to perform ablation treatment on the target tissue.
The first electrode 10 and the second electrode 20 are both sheet-shaped electrodes, the first electrode 10 may be a metal sheet cut, and the second electrode 20 may be a metal sheet cut.
The first electrode 10 comprises a plurality of first micro-needles 11 and first electrode connecting parts 14 fixedly connected with the plurality of first micro-needles 11, wherein the plurality of first micro-needles 11 are adjacently arranged at the end side of the first electrode connecting parts 14 in a row, and a first arc connecting structure is formed between the adjacent first micro-needles 11; the second electrode 20 includes a plurality of second micro-needles 21 and a second electrode connecting portion 24 fixedly connected to the plurality of second micro-needles 21, wherein the plurality of second micro-needles 21 are adjacently arranged at the end side of the second electrode connecting portion 24, and a second arc connecting structure is formed between the adjacent second micro-needles 21.
The plurality of first microneedles 11 are adjacently arranged in a row on the distal end side of the first electrode connection portions 14, and the adjacent first microneedles 11 are smoothly connected by a first circular arc connection structure.
The plurality of second microneedles 21 are arranged in adjacent rows on the distal end side of the second electrode connection portions 24, and the adjacent second microneedles 21 are connected smoothly by a second circular arc connection structure.
The first electrode 10 includes five first microneedles 11, and the second electrode 20 includes five second microneedles 21, respectively.
The cross-sectional dimension of the distal end of the first microneedle 11 is smaller than the cross-sectional dimension of the proximal end of the first microneedle 11; the cross-sectional dimension of the distal ends of the second microneedles 21 is smaller than the cross-sectional dimension of the proximal ends of the second microneedles 21.
The first microneedles 11 are tapered in shape.
The shape of the second microneedle 21 is tapered.
The oral ablation device further comprises a first wire and a second wire; the first electrode connection part 14 is provided with a first wire connection hole 15, and the first wire connection hole 15 is used for the first wire to pass through and be fixedly connected with the first wire; the second electrode connection portion 24 is provided with a second wire connection hole 25, and the second wire connection hole 25 is used for the second wire to pass through and be fixedly connected with the second wire.
The first wire connection hole 15 is provided through the first electrode 10; the first lead is fixedly connected to the first electrode 10 through the first lead connection hole 15, and specifically, the first lead is welded to the first electrode 10 at the first lead connection hole 15.
The second wire connection hole 25 is provided through the second electrode 20; the second wire is fixedly connected to the second electrode 20 through the second wire connection hole 25, and specifically, the second wire is welded to the second electrode 20 at the second wire connection hole 25.
The length of the first microneedle 11 protruding from the end side of the handle 30 was 1.5mm, and the length of the second microneedle 21 protruding from the end side of the handle 30 was 1.5mm.
The operation handle 30 includes a support housing 31 and an electrode adapter 32; the electrode adapter 32 is fixedly connected to the end side of the support housing 31; the end of the first electrode 10 facing away from the needle of the first microneedle 11 and the end of the second electrode 20 facing away from the needle of the second microneedle 21 are fixedly connected with the end of the electrode adapter 32 facing away from the support housing 31, respectively, and the first electrode 10 and the second electrode 20 are fixed to opposite end sides of the end of the electrode adapter 32 facing away from the support housing 31.
The electrode adapter 32 is matched with the hole pin of the support shell 31, and the electrode adapter 32 is fixedly connected with the support shell 31 in a laser welding mode.
The proximal end of the first electrode 10 is fixedly connected to the distal end of the electrode adapter 32; accordingly, the proximal end of the second electrode 20 is fixedly connected to the distal end of the electrode adapter 32.
The first electrode 10 and the second electrode 20 are disposed on opposite sides of the electrode adapter 32, and a predetermined separation distance is provided between the first electrode 10 and the second electrode 20.
The first electrode 10 and the second electrode 20 are fixedly connected to opposite sides of the electrode adapter 32 at a predetermined interval.
The operation handle 30 further includes an electrode fixing member 33; the electrode fixing piece 33 is sleeved on the electrode adapter 32 and covers the connection part between the first electrode 10 and the electrode adapter 32 and the connection part between the second electrode 20 and the electrode adapter 32, and the electrode fixing piece 33 is used for fixing the first electrode 10 and the second electrode 20 on the end sides of the electrode adapter 32 respectively; the first and second microneedles 11 and 21 each protrude outwardly from the end sides of the electrode fixing members 33.
The electrode adapter 32 and the electrode holder 33 cooperate to hold the first electrode 10 and the second electrode 20.
The electrode fixing member 33 may be soft-coated, and the electrode fixing member 33 is fixed around the electrode adapter member 32 by injection molding to fix the first electrode 10 and the second electrode 20.
The first and second microneedles 11 and 21 are all fully extended out of the end sides of the electrode holders 33.
The support shell 31 comprises a first shell 311 and a second shell 312, and the first shell 311 and the second shell 312 are fixedly connected to form a shell inner cavity; one end of the electrode adapter 32 extends into the inner cavity of the shell and is fixed between the first shell 311 and the second shell 312; at least one of the first housing 311 and the second housing 312 is provided to extend into the electrode holder 33 and is fixedly connected to the electrode adapter 32.
The first housing 311 and the second housing 312 are in pin fit, and the first housing 311 and the second housing 312 can be fixedly connected by means of laser welding.
The proximal end of the electrode adapter 32 can extend into the housing lumen and be fixedly clamped between the first housing 311 and the second housing 312.
The distal end of the first housing 311 is convexly arranged relative to the distal end of the second housing 312, and the distal end of the first housing 311 is fixedly connected with the electrode adapter 32; specifically, the electrode holder 33 can wrap around and secure the distal end of the electrode adapter 32 and the distal end of the first housing 311, the distal end of the first housing 311 extending into the electrode holder 33.
The distal end of the first housing 311 is pin-fitted with the hole of the electrode adapter 32, and the distal end of the first housing 311 and the electrode adapter 32 may be fixedly connected by laser welding.
The end of the electrode adapter 32 has a first electrode positioning portion 321 and a second electrode positioning portion 322; the first electrode 10 has a third electrode positioning portion 12 fitted with the first electrode positioning portion 321, the first electrode positioning portion 321 being capable of abutting against the third electrode positioning portion 12 to restrict movement of the first electrode 10; the second electrode 20 has a fourth electrode positioning portion 22 that fits with the second electrode positioning portion 322, and the second electrode positioning portion 322 can abut against the fourth electrode positioning portion 22 to restrict movement of the second electrode 20.
The first electrode positioning portion 321 includes a first limiting portion 3211 and a second limiting portion 3212; correspondingly, the third electrode positioning part 12 comprises a third limiting part 121 matched with the first limiting part 3211 and a fourth limiting part 122 matched with the second limiting part 3212; the first stopper portion 3211 and the third stopper portion 121 are engaged with each other, and the second stopper portion 3212 and the fourth stopper portion 122 are engaged with each other, so that the movement of the first electrode 10 relative to the electrode adapter 32 can be restricted.
The second electrode positioning portion 322 includes a fifth limit portion 3221 and a sixth limit portion 3222; correspondingly, the fourth electrode positioning portion 22 includes a seventh limiting portion 221 adapted to the fifth limiting portion 3221 and an eighth limiting portion 222 adapted to the sixth limiting portion 3222; the fifth and seventh stopper portions 3221 and 221 are engaged with each other, and the sixth stopper portion 3222 is engaged with the eighth stopper portion 222 to restrict movement of the second electrode 20 with respect to the electrode adapter 32.
The electrode adapter 32 is provided at its end with a plurality of grooves 323, and the electrode holder 33 can be inserted into the grooves 323.
The end of the electrode adapter 32 also has a first electrode assembly pin 324 and a second electrode assembly pin 325; the first electrode 10 has a first electrode assembly hole 13 fitted with a first electrode assembly pin 324, the first electrode assembly pin 324 being capable of penetrating out of the first electrode assembly hole 13; the second electrode 20 has a second electrode assembly hole 23 fitted with a second electrode assembly pin 325, and the second electrode assembly pin 325 can pass out of the second electrode assembly hole 23.
The first electrode 10 is sleeved on the first electrode assembly pin 324 through the first electrode assembly hole 13.
The second electrode 20 is sleeved on the second electrode assembly pin 325 through the second electrode assembly hole 23.
The oral cavity ablation device further comprises a sensing device and a control device, wherein the sensing device is electrically connected with the control device, and the control device is electrically connected with the first electrode 10 and the second electrode 20 respectively; the sensing device is used for acquiring the electric field environment parameters of the target tissue and sending the electric field environment parameters to the control device; the control means is arranged to control the first electrode 10 and the second electrode 20 to emit pulses towards the target tissue based on the environmental parameters of the electric field.
The electric field environmental parameters may include current and voltage.
It may be determined whether the target tissue is a lesion tissue based on the electric field environmental parameter, and in the case where it is determined that the target tissue is a lesion tissue, the first electrode 10 and the second electrode 20 are controlled to emit pulses to the target tissue.
The sensing device is also used for acquiring the abutment parameters of the distal end of the operating handle 30 and the target tissue, and controlling the first electrode 10 and the second electrode 20 to emit pulses to the target tissue when the abutment parameters indicate that the distal end of the operating handle 30 is reasonably abutted to the target tissue.
The oral cavity ablation device can be matched with a neutral electrode for use; the neutral electrode can be attached to the target tissue according to the requirement, the oral cavity ablation device can identify the neutral electrode, and under the condition that the oral cavity ablation device identifies the neutral electrode, the first electrode 10 and the second electrode 20 are controlled to be homopolar and form an electrode pair with the neutral electrode, and pulse is emitted to the target tissue.
The operating handle 30 includes a plurality of operating regions connected in sequence, the operating regions include arc-shaped sections, and the arc-shaped sections of adjacent operating regions are bent toward different directions.
The plurality of operating regions includes a first grip region 34, a second grip region 35, and an extension region 36; the first holding area 34, the second holding area 35 and the extending area 36 are connected in sequence to form an S shape, and the extending area 36 is respectively connected with the first electrode 10 and the second electrode 20.
The arc-shaped section of the first holding area 34 and the arc-shaped section of the second holding area 35 are bent in different directions, and the arc-shaped section of the second holding area 35 and the arc-shaped section of the extending-in area 36 are bent in different directions.
The first holding area 34 is disposed at the proximal end of the support housing 31, the second holding area 35 is disposed at the distal end of the support housing 31, and the insertion area 36 is disposed on the electrode holder 33.
The oral cavity ablation device is provided with an axial direction of the operation handle, a first bending angle is arranged between the first holding area 34 and the axial direction of the operation handle, and the first bending angle is 20 degrees; the second holding area 35 and the axial direction of the operation handle have a second bending angle, and the second bending angle is 20 degrees; the extending region 36 has a third angle of curvature with respect to the axial direction of the handle, the third angle of curvature being 45 °.
The lever 30 is a variable diameter lever, and the radial dimension of the variable diameter lever decreases from the proximal end to the distal end.
Example two
The difference between the second embodiment and the first embodiment is that the first bending angle, the second bending angle, and the third bending angle are set, and the same points as those of the first embodiment are not described herein, and the differences between the second embodiment and the first embodiment are described as follows:
the operating handle 30 includes a plurality of operating regions connected in sequence, the operating regions include arc-shaped sections, and the arc-shaped sections of adjacent operating regions are bent toward different directions.
The plurality of operating regions includes a first grip region 34, a second grip region 35, and an extension region 36; the first holding area 34, the second holding area 35 and the extending area 36 are connected in sequence to form an S shape, and the extending area 36 is respectively connected with the first electrode 10 and the second electrode 20.
The arc-shaped section of the first holding area 34 and the arc-shaped section of the second holding area 35 are bent in different directions, and the arc-shaped section of the second holding area 35 and the arc-shaped section of the extending-in area 36 are bent in different directions.
The first holding area 34 is disposed at the proximal end of the support housing 31, the second holding area 35 is disposed at the distal end of the support housing 31, and the insertion area 36 is disposed on the electrode holder 33.
The oral cavity ablation device is provided with an axial direction of the operation handle, a first bending angle is arranged between the first holding area 34 and the axial direction of the operation handle, and the first bending angle is 25 degrees; the second holding area 35 and the axial direction of the operation handle have a second bending angle, and the second bending angle is 25 degrees; the extension 36 has a third bend angle with the axial direction of the handle, the third bend angle being 40 °.
The foregoing is only illustrative of the present application and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present application.
Claims (17)
1. An oral ablation device, characterized by comprising a first electrode (10), a second electrode (20) and a handle (30);
the first electrode (10) is fixedly connected with the operating handle (30), the second electrode (20) is fixedly connected with the operating handle (30), and the first electrode (10) and the second electrode (20) are oppositely arranged;
the first electrode (10) has at least one first microneedle (11), the second electrode (20) has at least one second microneedle (21), and both the first microneedle (11) and the second microneedle (21) protrude from the end side of the operation handle (30);
the first electrode (10) and the second electrode (20) are for emitting pulses through the first microneedle (11) and the second microneedle (21) towards a target tissue.
2. The oral ablation device according to claim 1, wherein the handle (30) comprises a support housing (31) and an electrode adapter (32);
the electrode adapter (32) is fixedly connected to the end side of the support shell (31);
One end of the first electrode (10) deviating from the needle head of the first micro needle (11) and one end of the second electrode (20) deviating from the needle head of the second micro needle (21) are fixedly connected with one end of the electrode adapter (32) deviating from the support shell (31) respectively, and the first electrode (10) and the second electrode (20) are fixed on two opposite end sides of one end of the electrode adapter (32) deviating from the support shell (31).
3. The oral ablation device according to claim 2, wherein the handle (30) further comprises an electrode mount (33);
the electrode fixing piece (33) is sleeved on the electrode adapter piece (32) and covers a connecting part between the first electrode (10) and the electrode adapter piece (32) and a connecting part between the second electrode (20) and the electrode adapter piece (32), and the electrode fixing piece (33) is used for respectively fixing the first electrode (10) and the second electrode (20) on the end side of the electrode adapter piece (32);
the first microneedles (11) and the second microneedles (21) each protrude outward from the end sides of the electrode fixing members (33).
4. The oral ablation device according to claim 3, wherein the support housing (31) comprises a first housing (311) and a second housing (312), the first housing (311) and the second housing (312) being fixedly connected to form a housing cavity;
One end of the electrode adapter (32) extends into the inner cavity of the shell and is fixed between the first shell (311) and the second shell (312);
at least one of the first shell (311) and the second shell (312) extends into the electrode fixing piece (33) and is fixedly connected with the electrode adapter piece (32).
5. The oral ablation device according to claim 2, wherein an end of the electrode adapter (32) has a first electrode positioning portion (321) and a second electrode positioning portion (322);
the first electrode (10) is provided with a third electrode positioning part (12) which is matched with the first electrode positioning part (321), and the first electrode positioning part (321) can be abutted with the third electrode positioning part (12) so as to limit the movement of the first electrode (10);
the second electrode (20) has a fourth electrode positioning portion (22) adapted to the second electrode positioning portion (322), the second electrode positioning portion (322) being abuttable to the fourth electrode positioning portion (22) to limit movement of the second electrode (20).
6. The oral ablation device according to claim 2, characterized in that the electrode adapter (32) is provided with a recess (323) at its end, the electrode holder (33) being able to protrude into the recess (323).
7. The oral ablation device according to claim 5, wherein the end of the electrode adapter (32) further has a first electrode assembly pin (324) and a second electrode assembly pin (325);
the first electrode (10) has a first electrode assembly hole (13) adapted to the first electrode assembly pin (324), the first electrode assembly pin (324) being capable of penetrating out of the first electrode assembly hole (13);
the second electrode (20) has a second electrode fitting hole (23) fitted with the second electrode fitting pin (325), and the second electrode fitting pin (325) is capable of penetrating out from the second electrode fitting hole (23).
8. The oral ablation device according to any one of claims 1 to 7, wherein the first electrode (10) comprises a plurality of the first microneedles (11) and a first electrode connecting portion (14) fixedly connected to the plurality of the first microneedles (11), the plurality of the first microneedles (11) being arranged in adjacent rows on an end side of the first electrode connecting portion (14), a first arc connecting structure being formed between adjacent ones of the first microneedles (11);
the second electrode (20) comprises a plurality of second micro-needles (21) and second electrode connecting parts (24) fixedly connected with the second micro-needles (21), the second micro-needles (21) are adjacently arranged at the end sides of the second electrode connecting parts (24) in a row, and a second arc connecting structure is formed between the second micro-needles (21).
9. The oral ablation device according to any one of claims 1-7, wherein a cross-sectional dimension of the distal end of the first microneedle (11) is smaller than a cross-sectional dimension of the proximal end of the first microneedle (11);
the distal end of the second microneedle (21) has a cross-sectional dimension that is smaller than the cross-sectional dimension of the proximal end of the second microneedle (21).
10. The oral ablation device according to any one of claims 1-7, wherein the first microneedle (11) comprises a first tapered end disposed at a distal end of the first microneedle (11);
the second microneedle (21) comprises a second tapered end disposed at a distal end of the second microneedle (21).
11. The oral ablation device according to any one of claims 1-7, wherein the handle (30) comprises a plurality of operating regions that meet one another in sequence, the operating regions comprising arcuate segments, the arcuate segments of adjacent operating regions curving in different directions.
12. The oral ablation device according to claim 11, wherein the plurality of operating regions includes a first gripping region (34), a second gripping region (35), and an access region (36);
the first holding area (34), the second holding area (35) and the extending area (36) are sequentially connected to form an S shape, and the extending area (36) is respectively connected with the first electrode (10) and the second electrode (20).
13. The oral ablation device of claim 12, wherein the oral ablation device has a handle axis, the oral ablation device satisfying at least one of the following characteristics:
a first bending angle is formed between the first holding area (34) and the axial direction of the operating handle, and the first bending angle is 10-30 degrees;
a second bending angle is formed between the second holding area (35) and the axial direction of the operating handle, and the second bending angle is 10-30 degrees;
the extending-in area (36) and the axial direction of the operating handle are provided with a third bending angle, and the third bending angle is 30-55 degrees.
14. The oral ablation device of any of claims 1-7, further comprising a first wire and a second wire;
the first electrode (10) is provided with a first wire connecting hole (15), and the first wire connecting hole (15) is used for the first wire to pass through and be fixedly connected with the first wire;
the second electrode (20) is provided with a second wire connecting hole (25), and the second wire connecting hole (25) is used for the second wire to pass through and be fixedly connected with the second wire.
15. The oral ablation device according to any one of claims 1-7, wherein the first microneedles (11) extend from an end side of the handle (30) for a length of 1-3mm and the second microneedles (21) extend from an end side of the handle (30) for a length of 1-3mm.
16. The oral ablation device according to any one of claims 1-7, wherein the handle (30) is a variable diameter handle having a radial dimension that decreases from the proximal end to the distal end.
17. The oral ablation device according to any one of claims 1-7, wherein the first electrode (10) is sheet-like in shape and the second electrode (20) is sheet-like in shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310995761.4A CN116919562A (en) | 2023-08-08 | 2023-08-08 | Oral cavity ablation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310995761.4A CN116919562A (en) | 2023-08-08 | 2023-08-08 | Oral cavity ablation device |
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