CN116785011A - Plasma electrode applied to oral surgery - Google Patents
Plasma electrode applied to oral surgery Download PDFInfo
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- CN116785011A CN116785011A CN202310991505.8A CN202310991505A CN116785011A CN 116785011 A CN116785011 A CN 116785011A CN 202310991505 A CN202310991505 A CN 202310991505A CN 116785011 A CN116785011 A CN 116785011A
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- electrode
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- cavity
- oral surgery
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- 238000001356 surgical procedure Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 21
- 239000011229 interlayer Substances 0.000 claims description 14
- 210000003128 head Anatomy 0.000 claims description 11
- 210000000214 mouth Anatomy 0.000 claims description 8
- 239000002504 physiological saline solution Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 20
- 238000005345 coagulation Methods 0.000 abstract description 8
- 230000015271 coagulation Effects 0.000 abstract description 8
- 230000023597 hemostasis Effects 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 6
- 208000004550 Postoperative Pain Diseases 0.000 abstract description 5
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 13
- 239000007924 injection Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
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- 208000027418 Wounds and injury Diseases 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 230000002439 hemostatic effect Effects 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 210000004027 cell Anatomy 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 208000002193 Pain Diseases 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 3
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- 230000001954 sterilising effect Effects 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 2
- 206010033078 Otitis media Diseases 0.000 description 2
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- 206010053615 Thermal burn Diseases 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
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- 230000001360 synchronised effect Effects 0.000 description 2
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- 208000032544 Cicatrix Diseases 0.000 description 1
- 206010011732 Cyst Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000005683 Nonodontogenic Cysts Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000011298 ablation treatment Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 210000004262 dental pulp cavity Anatomy 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 210000002950 fibroblast Anatomy 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 206010063413 odontogenic cyst Diseases 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Surgical Instruments (AREA)
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a plasma electrode applied to oral surgery. The invention can not only synchronously operate cutting and coagulation, but also independently operate coagulation, has no bleeding in operation, can provide good visual field and convenience for operators, ensures that the plasma electrode is widely applied to oral surgery, simultaneously can enable the working electrode to conveniently and accurately observe the cutting depth and position and accurately control hemostasis or coagulation, does not need to worry about scalding risks, reduces postoperative pain of patients, shortens recovery time and greatly reduces infection risks.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a plasma electrode applied to oral surgery.
Background
Medical devices refer to instruments, devices, appliances, in vitro diagnostic reagents and calibrators, materials and other similar or related items that are used directly or indirectly on the human body. Surgical knives are a popular surgical medical instrument, and because of the wide variety of oral surgery types, mainly including odontogenic cyst removal, non-odontogenic cyst removal, periodontal surgery, tooth extraction, soft tissue cyst removal, stomatognathic tumor removal, and the like, other types of surgery require more or less surgical knives to perform cutting operations in addition to tooth extraction.
The surgical knife is usually a common blade surface surgical knife or an electric knife, and occasionally a laser knife is seen, the common blade surface surgical knife can only perform common incision when performing oral surgery, because capillaries in the oral cavity are densely distributed, hemostatic forceps or towel forceps are required to be frequently replaced for performing hemostatic operation, if the surgery involves periodontal parts, the hemostatic forceps cannot perform better hemostatic effect, the method of pressing or placing Zhou Saizhi agents is required for performing hemostasis, the two hemostatic methods cannot achieve immediate hemostasis, in addition, the surgical knife is required to be pulled out to change the direction of the cutting edge or replace the blade in the face of some upward-choosing incision operations, the operation not only affects the surgical field, but also prolongs the surgical time, and increases the pain of patients; when the electric knife and the laser knife are used for oral cavity surgical incision operation, the electric knife and the laser knife can cut and carbonize to stop bleeding in the surgical process, but for the laser knife, the laser knife has larger energy and is different from the traditional surgical medical instrument, the cutting feedback is smaller, so the difficulty in energy control and cutting depth control in the operation is larger, when the narrow gap or the surgical field is unclear or the surgical operation of the molar part is carried out, the same electric knife can realize synchronous cutting and hemostasis, the action mechanism of the electric knife is that the heating is used for evaporating the cell fluid so as to achieve the aim of cutting, the cell fluid can not be heated to 250-350 ℃, the temperature of the cell fluid can not be reduced rapidly when the output is stopped, the electric knife scalds the oral cavity of a patient in the actual use process, and the risk of the deep oral cavity scald is larger; therefore, the laser knife and the electric knife are cut in a high-heat mode, so that wound carbonization is easy to cause, the formation of granulation is seriously affected, the growth of body fibroblasts can be prevented, the recovery time is prolonged, the duration of pain caused by operation is longer, the pain is high, the inflammation degree of wounds is high, and permanent scars are extremely easy to leave due to carbonization of wound tissues.
In the prior art, researches on realizing a fine cutting and ablation effect of a surgical electrode are carried out, such as a low-temperature plasma surgical electrode in patent application CN108013931A, a radio-frequency ablation electrode for otitis media minimally invasive surgery in CN111643176A and a use method thereof, a plasma dental electrode for root canal sterilization in CN216167941U, a detachable plasma surgical electrode in CN218960911U and the like, which all adopt the plasma surgical electrode to carry out the surgical cutting and ablation treatment on a patient, solve the operation safety problem brought by a common blade surface surgical knife, an electric knife and a laser knife in the surgical process, but the existing surgical electrode is only suitable for ophthalmology, plastic cosmetology, otitis media puncture surgery, oral cavity sterilization and the like, but is difficult to be widely applied to the oral cavity surgery with dense capillaries, the depth and the position of the cutting head are difficult to accurately judge in the prior art, the hemostasis is difficult to accurately control, the postoperative pain of the patient is caused, the recovery time is longer, and the risk of postoperative infection is also caused.
Disclosure of Invention
The invention aims to provide a plasma electrode applied to oral surgery, which aims to solve the problems that the current-stage surgical electrode provided in the background art is difficult to accurately judge the cutting depth and the cutting position of a cutter head for the oral surgery with dense capillaries, is difficult to accurately control hemostasis, causes postoperative pain of a patient, has long recovery time, has postoperative infection risk and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a be applied to plasma electrode of oral cavity operation, includes electrode assembly, coupling assembling and shell subassembly, coupling assembling arranges the inside of shell subassembly in, shell subassembly cover is located the rear end side of electrode assembly surface, electrode assembly is from inside to outside including coaxial working electrode, interior insulating sleeve, return circuit electrode assembly and outer insulating sleeve who sets up in proper order, the return circuit electrode assembly is from inside to outside including coaxial return circuit electrode, intermediate layer spare and the peripheral spare that sets up in proper order, return circuit electrode, intermediate layer spare and the rear end of peripheral spare align and seal up and the space between the three forms the confession liquid channel that supplies normal saline to flow, form the step between the front end of return circuit electrode and the front end of peripheral spare, form the step between the front end of working electrode and the front end of return circuit electrode and after the rear end stretches out the return circuit electrode assembly and be connected with coupling assembling through the wire, the coupling assembling is still connected with the rear end of return circuit electrode through the wire, interior insulating sleeve surface cover is equipped with the electrode mounting, the both ends of electrode mounting align with the both ends of return circuit electrode respectively, electrode mounting and electrode mounting or electrode mounting have the suction channel itself to form between the electrode mounting.
Further, the rear end of the peripheral component is provided with a through hole A, the interlayer component is provided with a slit from the rear end to the front, the starting end of the slit is aligned with the through hole A, physiological saline flows into the liquid supply channel through the through hole A and the slit, the length of the peripheral component is greater than that of the interlayer component but less than that of the loop electrode, the length of the interlayer component is less than that of the loop electrode, the length of the loop electrode is less than that of the working electrode, the inner insulating sleeve is sleeved on a part of the head of the working electrode and all the regions except the tail section of the supporting rod of the working electrode, and the outer insulating sleeve is sleeved on the outer surface of the peripheral component and has the same length as that of the peripheral component.
Further, two electrode fixing pieces are arranged, the two electrode fixing pieces are respectively sleeved on the front section and the rear section of the outer surface of the inner insulating sleeve, and the two electrode fixing pieces are respectively aligned with the two ends of the loop electrode through insulating support pipes sleeved in the middle of the outer surface of the inner insulating sleeve.
Further, the electrode fixing part is arranged as three different structural schemes: one of a single lumen tube or a triple lumen tube or a special tube. Specifically:
according to the first structural scheme, a chamber for a working electrode to pass through is arranged in the single-cavity tube, the outer surface of the single-cavity tube extends out of two supporting parts with rectangular structures along any radial direction, and an attraction channel is formed between the supporting parts and the loop electrode;
the second structural scheme is that the three-cavity tube comprises a central cavity and an edge cavity, wherein the central cavity and the edge cavity are different in shape, the edge cavity is arranged around the central cavity, the working electrode penetrates through the central cavity, and the edge cavity is used as an attraction channel;
the third structural scheme is that the special-shaped pipe comprises a first cavity and a second cavity which are different in shape, wherein the working electrode passes through the first cavity and the second cavity is used as an attraction channel, or the working electrode passes through the second cavity and the first cavity is used as an attraction channel.
Further, the shell subassembly is including the anterior segment shell of cover locating electrode assembly surface rear end side and be fixed in the back end shell of anterior segment shell back end, inlay on the anterior segment shell and be equipped with the water filling port spare and set up in the suction port spare of water filling port spare rear side, the one end of the water filling port of water filling port spare and the through-hole A intercommunication setting on the peripheral spare and its other end are connected with outside water injection pipe, the one end and the suction channel terminal intercommunication setting of suction port spare and its other end are connected with outside suction pipe, outside suction pipe and outside water injection pipe are fixed in on the fixing device who sets up on the terminal surface of back end shell.
Further, the connecting assembly comprises a contact pin fixing piece arranged at the tail end position inside the front section shell and a jack fixing piece arranged inside the rear section shell, the jack fixing piece and the rear section shell form a cable assembly, the contact pin fixing piece, the front section shell and the electrode assembly form a handle assembly, and the handle assembly and the cable assembly are detachably connected.
Further, the pin fixing piece comprises a pin fixing ring, a pin fixing plate and pins, wherein the pin fixing plate comprises an upper plate and a lower plate, holes for the pins to pass through are formed in the upper plate and the lower plate, the outer edge of the pin fixing plate is provided with a protruding and recessed structure and is embedded in the pin fixing ring through the protruding and recessed structure, and an axial groove A is formed in the outer surface of the pin fixing ring and is fixed in the front section of the shell through the groove A;
further, the jack mounting includes jack fixer, jack and fixed PCB board, be provided with the through-hole B that runs through the jack mounting axially on the jack fixer, the jack passes in through-hole B and passes the fixed PCB board that sets up in jack fixer rear side, a recess B has all been seted up along the axial on the surface of the anterior and rear portion of jack fixer and fixed PCB board, the inside that the rear portion of jack fixer and fixed PCB board set up through its surface is fixed in the back end shell through its surface set up's recess B, just the front portion of jack fixer is fixed in the anterior segment shell through its surface set up's recess B.
Further, the contact pin is inserted into the jack and is connected with the rear end of the working electrode and the rear end of the return electrode through a lead at the same time, the jack is connected with an external cable, the external cable is connected with a host, and the host is electrically connected with the electrode assembly through the external cable, the jack and the contact pin.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a plasma electrode applied to oral surgery, which can not only enable the operations of cutting and coagulation to be synchronous (the plasma electrode can carry energy to help coagulation while cutting), but also enable coagulation to be operated independently, has no bleeding in surgery, can provide good visual field and convenience for operators, and has smaller scalding risk, can relieve postoperative pain of patients, shortens recovery time, has small and no carbonization of wounds, can reduce inflammation degree, kills wound microorganisms, greatly reduces infection risk, and ensures no scar and good aesthetic property after wound healing of patients; because the electrode fixing piece is arranged between the working electrode and the loop electrode, the loop electrode and the working electrode are effectively fixed in the circumferential direction and the radial direction, so that the relative shaking between the loop electrode and the working electrode is effectively avoided, and the operation risk is reduced. Therefore, can be widely applied to oral surgery with dense capillaries;
2. according to the invention, the loop electrode assembly is used for forming the liquid supply channel, so that on one hand, no special liquid supply equipment is needed for supplying physiological saline necessary for plasma operation, and the operation process is more convenient and quicker; on the other hand, the liquid supply channel is formed through the loop electrode assembly, and the production process is simpler and easier to implement, so that the yield is higher compared with other plasma electrodes possibly provided with the liquid supply channel;
3. the invention adopts three electrode fixing pieces with different structural schemes, so that an attraction channel can be formed between the electrode fixing pieces and the loop electrode or between the electrode fixing pieces and the loop electrode, waste liquid generated by oral surgery and cut tissues can be sucked away through the attraction channel, and a clear visual field of a surgical site can be always kept; furthermore, the electrode fixing pieces are arranged at the head and tail positions of the loop electrode and the working electrode, and the middle is supported by the insulating support tube, so that on one hand, the problem that the two electrode fixing pieces slide in the axial direction is effectively avoided, and on the other hand, the area of the suction channel at the insulating support tube is obviously enlarged relative to the head and tail positions, and the suction effect is better;
4. steps are formed between the front ends of the working electrode and the front ends of the return electrodes and between the return electrodes and the peripheral parts of the plasma electrode, so that physiological saline can smoothly flow to the working electrode, and meanwhile, an operator can observe the cutting depth and the cutting position more conveniently and accurately, and the plasma electrode can control hemostasis or coagulation more conveniently and accurately;
5. the handle component and the cable component are detachably connected, so that different handle components can be replaced according to actual requirements in operation, the requirement of fine cutting is met, the handle component can be detached from the cable component after operation and discarded, the cable component can be reused after disinfection, the utilization rate of surgical medical instrument resources is improved, and the surgical cost is effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of a plasma electrode according to the present invention;
FIG. 2 is a schematic view of the structure of the present invention without external cables and pipes;
fig. 3 is a partially enlarged structural view of an electrode assembly according to the present invention and a corresponding sectional structural view thereof;
FIG. 4 is a schematic cross-sectional view of the present invention from a side view and a side view;
FIG. 5 is a schematic cross-sectional view of the present invention from a top view;
FIG. 6 is an exploded view of the circuit electrode assembly of the present invention;
fig. 7 is a schematic structural view of an electrode holder according to embodiment 1 of the present invention;
fig. 8 is a schematic structural view of an electrode holder according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of an electrode holder according to embodiment 3 of the present invention;
fig. 10 is an exploded view of the connection assembly of the present invention.
Wherein: 1. an electrode assembly; 11. a working electrode; 12. an inner insulating sleeve; 13. an electrode fixing member; 131. a chamber; 132. a support part; 14. a return electrode; 15. an interlayer member; 16. a peripheral member; 17. an outer insulating sleeve; 18. a through hole A; 19. an insulating support tube; 101. a suction passage; 102. a liquid supply channel; 2. a connection assembly; 210. a pin holder; 211. a contact pin; 212. a pin fixing ring; 213. a pin fixing plate; 220. a jack fixing member; 221. a jack holder; 2211. a front part; 2212. a rear portion; 222. a jack; 223. fixing the PCB; 3. a housing assembly; 310. a front section housing; 311. a water filling port member; 3110. an external water injection pipe; 312. a suction mouthpiece; 3120. an external suction tube; 320. a rear section housing; 322. marking the direction; 4. an external cable; 51. a three-lumen tube; 52. an edge chamber; 53. a central chamber; 610. a special-shaped tube; 620. a first chamber; 630. a second chamber.
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: (taking a single lumen tube as an example of the electrode holder 13)
Referring to fig. 1 to 7 and 10, a plasma electrode for oral surgery includes an electrode assembly 1 having a tubular structure, a connection assembly 2 and a housing assembly 3.
The electrode assembly 1 is of a tubular structure, and comprises a working electrode 11, an inner insulating sleeve 12, an electrode fixing member 13, a loop electrode assembly and an outer insulating sleeve 17 which are coaxially arranged from inside to outside, wherein the working electrode 11 is formed by solid tungsten steel and a flat head (the head of the working electrode 11 is not limited to be flat, can also be wire-shaped, annular or spherical and the like, can be provided with different electrode head shapes according to different treatment requirements, the working electrode 11 is not limited to be solid rod-shaped, can also be tubular, sheet-shaped or a combination of the shapes, for example, the rear section is solid rod-shaped, the front section is tubular and the like), the inner insulating sleeve 12 is sleeved on a part of the head of the working electrode 11 and the whole area except for the tail section on a supporting rod, the loop electrode assembly comprises a loop electrode 14, an interlayer member 15 and a peripheral member 16, wherein the loop electrode 14 is sleeved on the outer surface of the inner insulating sleeve 12, the interlayer member 15 is sleeved on the outer surface of the loop electrode 14, the length of the loop electrode 14 is smaller than that of the working electrode 14, two slits 16 which are communicated to the front end of the interlayer member 15 are formed along the axial direction, the slit member 15 is sleeved on the outer surface of the loop electrode 14, the front end of the interlayer member is formed, the front end of the interlayer member is provided with a through the slit member 18 and the channel 18 is formed between the front end and the interlayer member and the channel 18A, and the physiological fluid channel 18 is formed by the interlayer member 18, and the physiological fluid channel 18 is formed between the channel 18A and the channel 18. The outer insulating sleeve 17 is then fitted over the outer surface of the peripheral member 16 and is of the same length as the peripheral member 16. The rear ends of the loop electrode 14, the interlayer element 15 and the peripheral element 16 are aligned and welded and sealed, so that a closed space is formed at the tail end of the liquid supply channel 102, water leakage is avoided, the front end of the loop electrode assembly is in a state that the loop electrode 14 is exposed out of the peripheral element 16 for a distance, and a step is formed between the loop electrode 14 and the peripheral element 16;
the front and rear sections of the outer surface of the inner insulating sleeve 12 are respectively sleeved with an electrode fixing piece 13, the two electrode fixing pieces 13 are respectively aligned with the front end and the rear end of the loop electrode 14, the electrode fixing pieces 13 are sleeved between the inner insulating sleeve 12 and the loop electrode 14 and are used for fixing the loop electrode 14 and the working electrode 11 in the circumferential direction and the radial direction, the electrode fixing pieces 13 are single-cavity tubes (as shown in fig. 7) of insulating medical plastic pieces, a cavity 131 for the working electrode 11 to pass through is arranged in each single-cavity tube, the outer surfaces of the single-cavity tubes extend out of two supporting parts 132 with rectangular structures along any radial direction, an attraction channel 101 for sucking out waste liquid generated in the operation process is formed between the supporting parts 132 and the loop electrode 14, and in addition, insulating supporting tubes 19 (the insulating supporting tubes can be teflon tubes) are sleeved on the outer surface of the inner insulating sleeve 12 and in the area between the two electrode fixing pieces 13 so as to prevent the two electrode fixing pieces 13 from sliding in the axial direction;
the working electrode 11 is exposed at both the front and rear ends to the return electrode 14 and the electrode holder 13 by a certain distance. A step is formed between the front end of the working electrode 11 and the front end of the loop electrode 14, the rear end of the working electrode 11 extends out of the loop electrode 14 and is connected with the connecting component 2 through a wire, and the connecting component 2 is also connected with the rear end of the loop electrode 14 through a wire;
the distance between the working electrode 11 and the return electrode 14 is 3-15 mm; the diameter of the working electrode 11 is 0.2-2 mm; the length of the working electrode 11 is 0.5-7 mm; the length of the return electrode 14 is 1-10 mm.
The casing assembly 3 comprises a front section casing 310 sleeved on the rear end side of the outer surface of the electrode assembly 1 and a rear section casing 320 fixed on the rear section of the front section casing 310, and the connecting assembly 2 comprises a contact pin fixing piece 210 arranged at the inner tail end position of the front section casing 310 and a jack fixing piece 220 arranged in the rear section casing 320;
the front section shell 310 is embedded with a water filling opening piece 311 and a suction opening piece 312, the water filling opening piece 311 is arranged in front of the suction opening piece 312, and the water filling opening piece 311 and the suction opening piece 312 are fixed together through embedding bonding and the like;
the front section of the shell 310 is sleeved on the rear end side of the outer surface of the electrode assembly 1, one end of a water injection port of the water injection port piece 311 is communicated with a through hole A18 on the peripheral piece 16, the other end of the water injection port piece is connected with an external water injection pipe 3110, and when in operation, physiological saline in the external water injection pipe 3110 flows from the through hole A18 to the head of the working electrode 11 through the liquid supply channel 102 through the water injection port; while one end of the suction port member 312 is communicated with the tail end of the suction channel 101, and the other end of the suction port member is connected with an external suction tube 3120, during operation, waste liquid generated during operation can be sucked out, and a photo-curing layer is formed on the inner surface of the front section shell 310 and at the position of the tail end of the suction channel 101, and the wires of the working electrode 11 and the loop electrode 14 are fixed in the suction channel 101 while the suction channel 101 is sealed, so that the wires are prevented from winding; the light curing is also carried out at the position where the front end of the front section shell 310 is connected with the electrode assembly 1, so that the electrode assembly 1 is prevented from shaking in the front section shell 310 and a closed space is formed;
the external water injection tube 3110 and the external suction tube 3120 are provided outside the housing assembly 3, so that the external water injection tube 3110 and the external suction tube 3120 can be conveniently discarded together with the electrode after the operation is completed (the electrode is disposable), but it is also understood that the liquid supply channel 102 and the suction channel 101 can be provided inside the entire housing assembly 3, that is, the liquid supply channel 102 and the suction channel 101 pass through the rear housing 320 and communicate with the external liquid supply device and the suction device (the functions and structures of conventional devices such as the liquid supply device and the suction device are well known in the art, and the connection setting is also common knowledge, so that it is not described herein and not shown in the drawings).
The pin fixing member 210 comprises a pin fixing ring 212, a pin fixing plate 213 and a pin 211, wherein the pin fixing plate 213 comprises an upper plate and a lower plate, holes for the pin 211 to pass through are formed in the upper plate and the lower plate, a protruding and recessed structure is arranged on the outer edge of the pin fixing plate 213, a protruding and recessed structure which is matched with the pin fixing plate 213 in an extending manner is also arranged in the same pin fixing ring 212, so that the pin fixing plate 213 can be firmly embedded in the pin fixing ring 212, the pin 211 passes through the holes in the pin fixing plate 213, an axial groove A is formed in the outer surface of the pin fixing ring 212, and the pin fixing member 210 is integrally fixed in the front section of the shell 310 through the groove A;
the jack fixing member 220 includes a jack fixing member 221, a jack 222 and a fixing PCB 223, the jack fixing member 221 is provided with a through hole B penetrating the jack fixing member 220 in an axial direction, and the jack 222 penetrates through the through hole B and the fixing PCB 223 disposed at a rear side of the jack fixing member 221;
the jack fixing device 221 further comprises a front portion 2211 with a smaller diameter and a rear portion 2212 with a larger diameter, a groove B is formed in the whole jack fixing device 221 and the outer surface of the fixing PCB 223 along the axial direction, the rear portion 2212 of the jack fixing device 221 and the fixing PCB 223 are fixed in the rear section of the shell 320 through the groove B formed in the surface of the jack fixing device, and a fixing device 321 is arranged on the outer surface of the tail end of the rear section of the shell 320 and used for fixing an external water injection pipe 3110 and an external suction pipe 3120;
the front-stage housing 310, the electrode assembly 1 and the pin holder 210 constitute a handle assembly, the jack holder 220 and the rear-stage housing 320 constitute a cable assembly, the handle assembly and the cable assembly are detachably connected, before an operation, the handle assembly is inserted into the cable assembly along a marking direction 322 on the surfaces of the front-stage housing 310 and the rear-stage housing 320, at this time, a front portion 2211 of the jack holder 220 is fixed inside the front-stage housing 310 through a groove B on the surface thereof, the pin 211 is inserted into the jack 222 and is simultaneously connected with the rear end of the working electrode 11 and the rear end of the return electrode 14 through wires, the jack 222 is connected with an external cable 4, and the external cable 4 is connected with a host (the functions and structures of conventional devices such as a host are all well known in the art, the connection setting is also common general knowledge, so not shown here too), and the host is electrically connected with the electrode assembly 1 through the external cable 4, the jack 222 and the pin 211, i.e. current can be supplied to the electrode assembly 1.
In the surgical procedure, it is sometimes necessary to replace the different surgical electrodes, in which case the detachable connection between the handle assembly and the cable assembly allows for easy replacement of the surgical electrodes, discarding the handle assembly after surgery is completed, and the cable assembly being reusable after sterilization; in addition, during the operation, the cutting and coagulation functions may be selected on the main body, the function and structure of the conventional devices such as a foot switch (the function and structure of the conventional devices such as a foot switch are well known in the art, and the connection setting is also well known, so that the description is not given here, and the configuration of the conventional devices such as a flow controller is well known in the art, and the connection setting is also well known, so that the description is not given here, and the configuration is also not shown in the drawings), the main body continuously detects whether or not an energy output signal is present, and when the presence of the energy output signal is detected, the external liquid supply device is connected to the external water injection pipe 3110, physiological saline is injected into the head of the working electrode 11, and the external suction device is connected to the external suction pipe 3120, so as to continuously suck the waste liquid generated in the operation.
The working principle and the using process of the invention are as follows: as shown in fig. 1-7 and 10, the external cable 4 is connected with the host machine to electrify the electrode assembly 1, physiological saline flows to the head of the working electrode 11 through the liquid supply channel 102, at this time, plasma energy flows between the working electrode 11 and the return electrode 14, a highly concentrated plasma steam sheath layer is formed around the electrode assembly 1 through the conduction of the physiological saline, the plasma sheath layer is composed of a large number of charged particles, after the charged particles are accelerated by an electric field, the charged particles generate enough energy and have strong oxidability, molecular bonds forming target tissue cells are broken at a low temperature (40-70 ℃), so that tissues are rapidly decomposed into molecules and atoms with low molecular weight, and a real-time and efficient tissue cutting and ablation effect is formed at a lower temperature, so that the purposes of alleviating postoperative pain of patients, shortening recovery time, greatly reducing infection risks are achieved, and no scar and good aesthetic property are ensured after wound healing of patients.
Example 2: (taking the three-lumen tube 51 as the electrode holder 13 as an example)
Referring to fig. 1-6, fig. 8 and fig. 10, the difference between the present embodiment and embodiment 1 is that: the electrode fixing member 13 is a three-lumen tube 51 (as shown in fig. 8) of an insulating medical plastic member, the three-lumen tube 51 includes a central chamber 53 and an edge chamber 52 having different shapes, the edge chamber 52 is disposed around the central chamber 53, the working electrode 11 is disposed in the central chamber 53 in a penetrating manner, and the edge chamber 52 serves as a suction passage 101.
Example 3: (taking the special-shaped tube 610 as the electrode holder 13 as an example)
Referring to fig. 1-6 and fig. 9-10, the difference between the present embodiment and embodiment 1 is that: the electrode fixing member 13 is a special-shaped tube 610 of an insulating medical plastic member (as shown in figure 9),
the special-shaped tube 610 includes a first chamber 620 and a second chamber 630 having different shapes, and the working electrode 11 passes through the first chamber 620 and the second chamber 630 serves as the suction passage 101, or the working electrode 11 passes through the second chamber 630 and the first chamber 620 serves as the suction passage 101.
Claims (10)
1. The utility model provides a be applied to plasma electrode of oral cavity operation, includes electrode assembly, coupling assembling and shell subassembly, coupling assembling arranges the inside of shell subassembly in, the rear end side of electrode assembly surface is located to the shell subassembly cover, electrode assembly is from inside to outside including coaxial working electrode, interior insulating sleeve, return circuit electrode subassembly and the outer insulating sleeve that sets gradually, its characterized in that, the return circuit electrode subassembly is from inside to outside including coaxial return circuit electrode, intermediate layer spare and the peripheral spare that sets gradually, return circuit electrode, intermediate layer spare and the rear end of peripheral spare align and seal the setting and the space between the three forms the confession liquid passageway that supplies normal saline to flow, interior insulating sleeve surface cover is equipped with the electrode mounting, the both ends of electrode mounting respectively with the both ends alignment setting of return circuit electrode, between electrode mounting and the return circuit electrode or electrode mounting self is formed with the attraction passageway.
2. The plasma electrode for oral surgery according to claim 1, wherein a step is formed between a front end of the return electrode and a front end of the peripheral member, a step is formed between a front end of the working electrode and a front end of the return electrode, and a rear end thereof is connected to the connection assembly through a wire after being protruded out of the return electrode assembly, and the connection assembly is further connected to a rear end of the return electrode through a wire.
3. The plasma electrode for oral surgery according to claim 2, wherein a through hole a is formed in the rear end of the outer peripheral member, a slit is formed in the interlayer member from the rear end to the front, the starting end of the slit is aligned with the through hole a, and physiological saline flows into the liquid supply channel through the through hole a and the slit;
the length of the peripheral member is greater than the length of the interlayer member but less than the length of the return electrode, which is less than the length of the working electrode.
4. The plasma electrode for oral surgery according to claim 1, wherein the inner insulating sleeve is sleeved on a partial area of the head of the working electrode and the whole area except the tail section of the support rod of the working electrode, and the outer insulating sleeve is sleeved on the outer surface of the peripheral member and has the same length as the peripheral member.
5. The plasma electrode for oral surgery according to claim 1, wherein two electrode fixing members are provided, the two electrode fixing members are respectively sleeved on the front section and the rear section of the outer surface of the inner insulating sleeve, and the two electrode fixing members are respectively aligned with two ends of the loop electrode through insulating support tubes sleeved on the middle part of the outer surface of the inner insulating sleeve.
6. The plasma electrode for oral surgery according to claim 5, wherein the electrode fixing member is one of a single lumen tube, a triple lumen tube, and a special tube;
the single-cavity tube is internally provided with a cavity for the working electrode to pass through, the outer surface of the single-cavity tube extends out of two supporting parts with rectangular structures along any radial direction, and an attraction channel is formed between the supporting parts and the return electrode;
the three-cavity tube comprises a central cavity and an edge cavity with different shapes, the edge cavity is arranged around the central cavity, the working electrode penetrates through the central cavity, and the edge cavity is used as an attraction channel;
the special-shaped pipe comprises a first chamber and a second chamber which are different in shape, the working electrode passes through the first chamber and the second chamber is used as a suction channel, or the working electrode passes through the second chamber and the first chamber is used as a suction channel.
7. The plasma electrode for oral surgery according to claim 1, wherein the housing assembly comprises a front housing sleeved on the rear end side of the outer surface of the electrode assembly and a rear housing fixed on the rear section of the front housing, the front housing is embedded with a water filling port member and a suction port member arranged on the rear side of the water filling port member, one end of the water filling port member is communicated with a through hole a on the peripheral member, the other end of the water filling port member is connected with an external water filling pipe, one end of the suction port member is communicated with the tail end of the suction channel, the other end of the suction port member is connected with an external suction pipe, and the external suction pipe and the external water filling pipe are fixed on a fixing device arranged on the outer surface of the tail end of the rear housing.
8. The plasma electrode for oral surgery according to claim 1, wherein the connection assembly comprises a pin fixing member disposed at an end position inside the front-stage housing and a socket fixing member disposed inside the rear-stage housing, the socket fixing member and the rear-stage housing form a cable assembly, the pin fixing member, the front-stage housing and the electrode assembly form a handle assembly, and the handle assembly is detachably connected with the cable assembly.
9. The plasma electrode for oral surgery according to claim 8, wherein the pin fixing member comprises a pin fixing ring, a pin fixing plate and pins, the pin fixing plate comprises an upper plate and a lower plate, holes for the pins to pass through are formed in the upper plate and the lower plate, a protruding and recessed structure is formed in the outer edge of the pin fixing plate and embedded in the pin fixing ring through the protruding and recessed structure, and an axial groove A is formed in the outer surface of the pin fixing ring and is fixed in the front-section shell through the groove A;
the jack mounting includes jack fixer, jack and fixed PCB board, be provided with the through-hole B that the axial runs through the jack mounting on the jack fixer, the jack passes in through-hole B and passes the fixed PCB board that sets up in jack fixer rear side, a recess B has all been seted up along the axial on the surface of the anterior and rear portion of jack fixer and fixed PCB board, the inside that the rear portion of jack fixer and fixed PCB board set up through its surface was fixed in the back end shell through the recess B that its surface set up, just the front portion of jack fixer is fixed in the anterior shell through its surface set up recess B.
10. The plasma electrode for oral surgery according to claim 9, wherein the pin is inserted into the socket and connected to the rear end of the working electrode and the rear end of the return electrode simultaneously by a wire, the socket is connected with an external cable, the external cable is connected with a host, and the host is electrically connected to the electrode assembly by the external cable, the socket and the pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310991505.8A CN116785011A (en) | 2023-08-08 | 2023-08-08 | Plasma electrode applied to oral surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310991505.8A CN116785011A (en) | 2023-08-08 | 2023-08-08 | Plasma electrode applied to oral surgery |
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| Publication Number | Publication Date |
|---|---|
| CN116785011A true CN116785011A (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310991505.8A Pending CN116785011A (en) | 2023-08-08 | 2023-08-08 | Plasma electrode applied to oral surgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118078423A (en) * | 2024-04-28 | 2024-05-28 | 成都盛世慧通医疗科技有限公司 | Grinding head assembly and spine grinding head with ablation hemostasis function |
-
2023
- 2023-08-08 CN CN202310991505.8A patent/CN116785011A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118078423A (en) * | 2024-04-28 | 2024-05-28 | 成都盛世慧通医疗科技有限公司 | Grinding head assembly and spine grinding head with ablation hemostasis function |
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Inventor after: He Chengdong Inventor after: Li Jun Inventor after: Huang Jiaxin Inventor after: Peng Gang Inventor before: He Chengdong Inventor before: Huang Jiaxin Inventor before: Peng Gang |