CN115568939B - Multifunctional composite ceramic bipolar electrotome - Google Patents
Multifunctional composite ceramic bipolar electrotome Download PDFInfo
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- CN115568939B CN115568939B CN202211575641.0A CN202211575641A CN115568939B CN 115568939 B CN115568939 B CN 115568939B CN 202211575641 A CN202211575641 A CN 202211575641A CN 115568939 B CN115568939 B CN 115568939B
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- A—HUMAN NECESSITIES
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/024—Carbon; Graphite
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/026—Ceramic or ceramic-like structures, e.g. glasses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/02—Inorganic materials
- A61L31/028—Other inorganic materials not covered by A61L31/022 - A61L31/026
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
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- 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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/00119—Coatings on the energy applicator with metal oxide nitride
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/0013—Coatings on the energy applicator non-sticking
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00607—Coagulation and cutting with the same instrument
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
- A61B2090/309—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using white LEDs
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Abstract
The utility model discloses a multifunctional composite ceramic bipolar electrotome, and belongs to the technical field of medical appliances. The utility model comprises a ceramic tool bit, a metal tool handle and a metal handle, wherein the tool bit is arranged at one end of the tool handle, the other end of the tool handle is connected with the handle, and a power switch button group and a lamplight switch button are arranged on the handle; the bipolar electrotome has the advantages of mechanical cutting and electrocoagulation, no adhesion, no smoke, good lighting effect and easy cleaning, and solves the problems that high-frequency voltage and current damage tissues, more smoke, unclear visual field and difficult cleaning of the electrotome in the operation process.
Description
Technical Field
The utility model relates to the field of medical appliances, in particular to a multifunctional composite ceramic bipolar electrotome.
Background
A large number of surgical procedures are performed annually in China, most of which require tissue cutting. In the traditional mechanical surgical knife cutting process, wound bleeding is more, and the operation time is longer. The high-frequency electrotome is used for replacing the traditional mechanical surgical knife to cut tissues, and consists of a host machine and an electrotome pen. When the electric knife edge works, the tissue is heated when the electric knife edge generates high-frequency voltage current to be contacted with a body, so that the electric cutting and the electric coagulation of the tissue are realized. There are some problems in operation: the high-frequency voltage and current flow through the human body can cause injury to the human body, and the wound recovery is affected; when in electrotome, the electrotome adheres to tissues to generate a large amount of smoke, even the surrounding tissues rupture and bleed, and the electrode blade needs to be frequently replaced, so that the operation efficiency is affected; when the fat is cut electrically at a thick portion, the fat is easily liquefied.
The utility model patent number CN 205359622U discloses a high-frequency multifunctional bipolar electrotome which is suitable for sealing capillaries at a cut lesion tissue part by radio-frequency bipolar current to achieve the effect of rapid blood coagulation. The electric knife has the functions of tissue excision and synchronous rapid solidification and hemostasis, but the electric knife does not solve the problem that the electric knife is easy to adhere to tissues to cause tissue damage when the electric knife cuts and coagulates blood, only solves the problem of electric knife smoke from the aspect of smoking, does not fundamentally solve the generation of smoke, and the harm caused by the smoke to medical staff still exists, and does not have the effect of lighting the wound of a patient.
The utility model patent number CN 215937639U discloses a surgical smokable high-frequency electrotome, a detachable power connecting wire is arranged at the top end of one side of a high-frequency electrotome body, the power connecting wire is connected with a socket head, the socket head is connected with a power connecting rod, a sterile transparent transfusion film is arranged at one side of the electrotome body, and a detachable disposable suction tube is arranged at the other end of the film. The utility model sucks away the generated smoke through installing the suction tube, reduces the harm of the smoke in the operation process, but has the advantages of complicated operation, incomplete smoking and monopolar knife, and does not solve the problem of wound damage caused by electric knife cutting.
At present, no electrotome has the functions of mechanical cutting, electrocoagulation and illumination at the same time in the market. There is a need for a bipolar electrotome that reduces high frequency current damage, is electrocoagulation, and is illuminable.
Disclosure of Invention
The utility model aims to provide a multifunctional composite ceramic bipolar electrotome, which solves the problems of large damage, more smoke and unclear visual field of the electrotome in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multi-functional compound pottery bipolar electrotome, includes the tool bit, the handle of a knife, and tool bit one end passes through metal shrapnel plug-in connection with the handle of a knife, and the handle of a knife other end passes through circular telegram plug and handle plug-in connection.
The tool bit consists of a main rod, an insulating sleeve, a cutting part, a first electrode slice and a second electrode slice, wherein the main rod is positioned at the far end of the tool bit and connected with a tool handle, the insulating sleeve is positioned at the near end of the main rod, the first electrode slice and the second electrode slice are positioned at the two sides of the tail part of the cutting part and used as positive and negative electrodes, the main rod is a cylinder with the length of 35-45mm and the diameter of 2.4-2.6mm, the thickness of the insulating sleeve is 1-2mm, the length of 18-22mm and the inner diameter of 2.4-2.6mm; the thickness of the cutting part is 0.2-0.3 mm, the thicknesses of the first electrode plate and the second electrode plate are 0.4-0.4 mm, two small-sized light emitting diodes or LED lamps for illumination are arranged at the proximal end of the handle, and a layer of anti-slip insulating and heat-insulating glue layer is arranged outside the handle and the handle. The main rod and the cutting part are made of insulating ceramics through sintering, the first electrode plate and the second electrode plate are made of nickel oxide, molybdenum boride, single-layer carbon nano tubes, graphene and adhesive according to a certain proportion through sintering and polishing after pressing, the surface roughness after polishing is Ra0.01-0.04, and the ceramic cutting part has good anti-adhesion performance, wherein the mass of the nickel oxide is 30-70%, the mass of the molybdenum boride is 20-50%, the mass of the single-layer carbon nano tubes is 0.5-2%, the mass of the graphene is 0.5-2%, and the adhesive is 1-2%.
The electric power plug is connected with the charging hole, and a wire is arranged inside the cutter handle to connect the two metal elastic sheets and the electric power plug, and the outside of the cutter handle is wrapped with an anti-slip insulating layer.
The handle is provided with a power switch button group and a light switch button, the built-in battery group provides electric energy for a small-sized light-emitting diode or an LED lamp, the battery is 4 disposable button batteries, the near end of the handle is provided with a charging hole, the handle is connected with the handle through an electrifying plug, and the handle is wrapped with an anti-slip insulating layer.
Compared with the prior art, the utility model has the following beneficial effects: 1. the ceramic knife is directly used for cutting, so that postoperative pain of a patient can be reduced, fat liquefaction is avoided, tissues cannot be damaged, and the recovery effect after scabbing is good.
2. The composite ceramic electrotome can be used for performing electrocoagulation on a wound while mechanically cutting tissues, so that the damage of high-frequency voltage and current to the body of a patient is reduced.
3. By using the ceramic knife for mechanical cutting, a large amount of smoke generated in the operation process can be prevented from affecting the visual field of an operator, so that the operation safety is improved.
4. The first electrode plate and the second electrode plate are used as positive and negative electrodes, a negative plate is not needed, and damage to a patient caused by poor contact of the negative plate is prevented.
5. By arranging two small light emitting diodes or LED lamps at the proximal end of the handle, a clear view can be provided, and the safety of the operation is improved.
The conception, specific structure, and technical effects of the present utility model will be further described with reference to the drawings and specific embodiments to fully understand the objects, features, and effects of the present utility model.
Drawings
Fig. 1 is a schematic front view of a multifunctional composite ceramic bipolar electrotome, wherein: the tool comprises a 1-tool bit, a 2-tool handle, a 3-handle, a 4-power plug, a 5-small light emitting diode or LED lamp, a 6-power switch button group and a 7-light switch button, wherein the position close to the tip of the tool is the proximal end, the position far away from the tip of the tool is the distal end, and the cross section and the longitudinal section are referred to as shown in fig. 1.
Fig. 2 is a schematic side view of a multifunctional composite ceramic bipolar electrotome.
Fig. 3 is a schematic front view of a cutter head, in which: 9-main rod, 12-insulating sleeve, 13-knife edge and 14-knife back.
Fig. 4 is a schematic side view of the cutter head of embodiment 1 and embodiment 2, in which: 8-cutting part, 9-main rod, 10-first electrode piece, 11-second electrode piece, 12-insulating sleeve.
Fig. 5 is a cross-sectional view of the cutter head of embodiment 1 and embodiment 2.
Fig. 6 is a cross-sectional view of the boom of embodiment 1 and embodiment 2.
Fig. 7 is a schematic front view of a cutter head of example 2.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The utility model provides a non-adhesive self-lighting ceramic bipolar electrotome which comprises a base, a cutting head and a cutting head, wherein the base is provided with a base, the cutting head is provided with a base: including tool bit 1, handle of a knife 2, handle 3, tool bit 1 distal end mobile jib 9 is connected with handle of a knife 2 proximal end metal shrapnel, and handle of a knife 2 distal end circular telegram plug 4 is connected with handle 3 charging hole, and handle of a knife 2 inside cavity is connected metal shrapnel and circular telegram plug through the wire, and handle of a knife 2 outside parcel one deck antiskid insulating layer, handle 3 set up switch button group 6 and light switch button 7, and handle 3 outside parcel one deck antiskid insulating layer.
As shown in fig. 3-6, the tool bit 1 is composed of a cutting part 8, a main rod 9, a first electrode plate 10, a second electrode plate 11 and an insulating sleeve 12, wherein the shapes and the sizes of the first electrode plate 10 and the second electrode plate 11 are identical. The main rod 9 is a cylinder with the length of 40mm and the diameter of 2.4-2.6mm, the insulating sleeve 12 is sleeved at the proximal end of the main rod 9, the inner diameter is 2.4-2.6mm, the length is 18mm, and the thickness is 1mm; the cross section of the cutting part 8 is of an arrow-shaped structure, the thickness of the thinnest part of the head part is 0.2 mu m, the waist length is 1.52mm, the bottom edge is 0.3mm, the tail part is 1mm, and the width is 0.1mm; the shape and the size of the first electrode slice 10 and the second electrode slice 11 are completely equal, the length is 50mm, the width is 1mm, the cross section of the first electrode slice 10 and the second electrode slice 11 is right trapezoid, the upper bottom is 0.1mm, the lower bottom is 0.2mm, the height is 0.4mm, and the thickness of the thinnest part is 0.4 μm. The handle 3 is provided with two small light-emitting diodes or LED lamps 5 for illumination at the near end, a layer of anti-slip insulating and heat-insulating glue layer is arranged outside the handle 2 and the handle 3, the main rod 9 and the cutting part 8 are made of insulating ceramics through sintering, the first electrode plate 10 and the second electrode plate 11 are made of nickel oxide, molybdenum boride, single-layer carbon nano tubes, graphene and adhesive according to a certain proportion through sintering and polishing after being pressed, the surface roughness after polishing is Ra0.01-0.04, the anti-adhesion performance is good, the mass ratio of nickel oxide is 30-70%, the molybdenum boride is 20-50%, the single-layer carbon nano tubes are 0.5-2%, the graphene is 0.5-2%, the adhesive is 1-2%, and the adhesive can be polyvinylidene fluoride, polyacrylic acid, styrene butadiene rubber and the like.
The concrete working process
During operation, the sharp blade of ceramic sword can directly cut the tissue, opens the electricity and congeals the switch after, and the electrode slice of ceramic sword both sides can stop bleeding to the wound electricity congeals, has avoided the injury of high frequency voltage current to the tissue and the production of a large amount of smog, can provide clear field of vision for the doctor when opening the light button, increases the security of operation.
Example 2
Comparative example 1
The disposable mechanical surgical knife consists of a knife head made of pure titanium, titanium alloy, stainless steel or carbon steel and a plastic knife handle.
Comparative example 2
A monopolar electrotome: the tool bit material is stainless steel's high frequency electrotome, comprises tool bit, stalk portion, hand control switch and electric wire.
Comparative example 3
An illuminable monopolar electrotome: the tool bit material is stainless steel's high frequency electrotome, comprises tool bit, stalk portion, hand control switch, lighting device and electric wire, and lighting device installs in handle one side, can provide clear field of vision during the operation.
Comparative example 4
A smoke-absorbing monopolar electrotome: the high-frequency electric knife with the knife head made of stainless steel comprises a knife head, a suction tube, a manual switch and an electric wire, wherein the knife head is provided with the suction tube connected with the air pump.
Comparative example 5
Bipolar electrotome: the novel smoke-absorbing device comprises a cutter head, a cutter handle and a handle, wherein the cutter head consists of a first electrode slice, a second electrode slice and a middle ceramic blade, and an air pipe bamboo joint is arranged at the rear end of the handle and connected with the smoke-absorbing device.
Test method
Soaking the cutter head in fresh pig blood for 1h at normal temperature, and observing the adhesion of the electric cutter; cutting fresh pork by using different cutter heads, observing whether the tissue adhesion performance, smoke generation condition and cutter head visual field are clearly visible or not, wiping for 2-3 times by using common cotton cloth, and observing the adhesion condition of the surface of the cutter head after wiping; cutting fresh pig fat by using different cutter heads, and observing fat liquefaction; testing the surface roughness of the electrotome under a microscope by using a contrast method; sharpness comparison was performed using a commercially available Bard-Parker scalpel with a ceramic knife, and the A4 paper was cut vertically using the same amount of force, and the number of cut sheets was calculated.
The results are shown in Table 1:
TABLE 1
| Anti-blood adhesion | Anti-tissue adhesion | Wiping the rear surface | Smoke generation | Illumination brightness | Surface roughness | Fat liquefaction condition | Number of cut pieces | |
| Example 1 | Forming a thin film | Transparent film | Smooth and glossy | Without any means for | Clear visual field | 0.04 | No |
8 |
| Example 2 | Forming a thin film | Transparent film | Smooth and glossy | Without any means for | Clear visual field | 0.04 | No |
9 |
| Comparative example 1 | Forming thick film | Thicker transparent film | Small amount of blood stain | Without any means for | The knife edge is darker | 0.5 | No |
3 |
| Comparative example 2 | Forming thick film | A great deal of burnt tissue | A great deal of burnt tissue | Strong white smoke | Has a very dark field of view | 0.5 | Large amount of liquefaction | 0 |
| Comparative example 3 | Forming thick film | A great deal of burnt tissue | A great deal of burnt tissue | Strong white smoke | Blurring of the field of view | 0.5 | Large amount of liquefaction | 0 |
| Comparative example 4 | Forming thick film | A great deal of burnt tissue | A great deal of burnt tissue | Small amount of white smoke | Has a very dark field of view | 0.5 | Small amount of liquefaction | 0 |
| Comparative example 5 | Forming thick film | A great deal of burnt tissue | A great deal of burnt tissue | Small amount of white smoke | Has a very dark field of view | 0.5 | Small amount of |
8 |
As can be seen in Table 1, the working examples do not generate smoke, do not stick blood and tissues, have good surgical field, have good recovery effect after cutting, and have little damage to human body.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides a multi-functional compound ceramic bipolar electrotome, includes tool bit, handle of a knife and handle, and the tool bit comprises mobile jib, insulating sleeve, cutting part, first electrode slice and second electrode slice, its characterized in that: the cross section of the cutting part is in an arrow shape, the triangular area of the arrow head is a blade, the rectangular area of the tail is a blade back, the cross sections of the first electrode slice and the second electrode slice are trapezoid, the two sides of the tail of the cutting part are used as positive and negative electrodes, the sharp end of the cutter head is a near end, the end far away from the sharp end is a far end, and the far end of the cutting part, the far end of the first electrode slice and the far end of the second electrode slice are embedded in the middle of the main rod; the cutting part is made of insulating ceramic material, and the first electrode plate and the second electrode plate are made of conductive ceramic material.
2. The multifunctional composite ceramic bipolar electrotome of claim 1, wherein: the cross section of the cutting part is in an arrow shape, the triangular area of the arrow head is a blade, and the thickness of the thinnest part of the blade is 0.2 mu m; the first electrode plate and the second electrode plate are used as positive and negative electrodes and are positioned at two sides of the tail part of the cutting part, the cross section of the first electrode plate and the second electrode plate is trapezoid, and the thickness of the thinnest part is 0.4 mu m.
3. A multifunctional composite ceramic bipolar electrotome according to claim 2, wherein: the main rod is a cylinder, the material is an insulating ceramic material, the insulating sleeve is an insulating rubber material, the cross section of the cutting part is arrow-shaped, the material is an insulating ceramic material, the material and the size of the first electrode plate and the second electrode plate are completely the same, and the material is high-conductivity ceramic.
4. The multifunctional composite ceramic bipolar electrotome of claim 1, wherein: the main rod is connected with the cutting part, the first electrode plate and the second electrode plate through embedding, and the distal ends of the cutting part, the first electrode plate and the second electrode plate are flush with the distal end of the main rod.
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| CN202211575641.0A CN115568939B (en) | 2022-12-09 | 2022-12-09 | Multifunctional composite ceramic bipolar electrotome |
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| CN202211575641.0A CN115568939B (en) | 2022-12-09 | 2022-12-09 | Multifunctional composite ceramic bipolar electrotome |
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| CN115568939B true CN115568939B (en) | 2023-05-05 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107427324A (en) * | 2015-01-13 | 2017-12-01 | 麦格戴医疗产品公司 | Taper tight blade electrosurgical unit |
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| LV14185B (en) * | 2010-04-20 | 2010-10-20 | Golsen Limited | Bipolar electric scalpel |
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