CN117297751A - Low-temperature plasma stripping knife operation device - Google Patents
Low-temperature plasma stripping knife operation device Download PDFInfo
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- CN117297751A CN117297751A CN202311297539.3A CN202311297539A CN117297751A CN 117297751 A CN117297751 A CN 117297751A CN 202311297539 A CN202311297539 A CN 202311297539A CN 117297751 A CN117297751 A CN 117297751A
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- temperature plasma
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- traction
- pipe
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- 238000001802 infusion Methods 0.000 claims abstract description 42
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 8
- 239000003814 drug Substances 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000005086 pumping Methods 0.000 claims description 9
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 9
- 239000008280 blood Substances 0.000 abstract description 8
- 210000004369 blood Anatomy 0.000 abstract description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052740 iodine Inorganic materials 0.000 abstract description 4
- 239000011630 iodine Substances 0.000 abstract description 4
- 210000000056 organ Anatomy 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000002224 dissection Methods 0.000 description 5
- 210000001519 tissue Anatomy 0.000 description 5
- 210000003781 tooth socket Anatomy 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 238000010892 electric spark Methods 0.000 description 3
- 230000001079 digestive effect Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 208000013935 Electric injury Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012277 endoscopic treatment Methods 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
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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
-
- 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
- A61B18/1206—Generators therefor
-
- 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
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00482—Digestive system
-
- 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
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
-
- 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
- A61B2018/00595—Cauterization
-
- 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
- A61B2018/00964—Features of probes
- A61B2018/0097—Cleaning probe surfaces
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to the technical field of low-temperature plasma stripping operation, in particular to a low-temperature plasma stripping knife operation device, which comprises: the handle is connected with an equipment pipe, and the equipment pipe is provided with an inner cavity; the stripping assembly comprises a transmitting electrode, a loop electrode and a traction mechanism; the cleaning assembly comprises an installation tube, a control mechanism, an air blowing mechanism and an air conveying mechanism; the injection assembly comprises an infusion head and an infusion mechanism; the switching assembly comprises a rotating mechanism and a connecting mechanism; according to the invention, the surface of the electrode and the operation part are blown through the blowing mechanism, so that volatilization of iodine or alcohol on the operation part and above the electrode is quickened, blood or tissue fluid on the operation part is blown to a non-operation part, and conductive media such as tissue fluid and blood are cleaned, so that damage to a patient caused by current transmitted to other organs through the conductive media (tissue fluid or blood) during operation is avoided, and operation risk is reduced.
Description
Technical Field
The invention relates to the technical field of low-temperature plasma stripping operation, in particular to a low-temperature plasma stripping knife operation device.
Background
With the continuous development of digestive endoscopy, the endoscopic treatment of digestive tract diseases is also becoming popular. Submucosal dissection is used to treat early cancers of the digestive tract, enabling more digestive lesions to be resected intact at one time under the endoscope. Can avoid the risk of traditional operation treatment, and has the characteristics of small wound, good curative effect, high operation technical requirement and the like.
In the prior art, when the operation of submucosal dissection is carried out, the skin part of a patient needs to be disinfected by using iodine or alcohol before the operation is carried out, the plasma dissection knife is inevitably stained with iodine or alcohol when entering the patient, electric sparks can be generated when the plasma dissection knife is used, burning is easily caused if the electric sparks are contacted with flammable liquid, in addition, blood or tissue fluid serving as conductive liquid can cause remote electric injury to other organs if the electrodes are contacted with blood, medicines are sometimes needed to be injected into the operation part after the operation is carried out, so that infection and sequelae are prevented, and in the prior art, the injection device is placed into the patient for injection after the plasma dissection knife is taken out of the body, so that the operation time is prolonged.
Disclosure of Invention
The invention aims to provide a low-temperature plasma stripping knife surgical device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a low temperature plasma strip knife surgical device comprising:
the handle is connected with an equipment pipe, and the equipment pipe is provided with an inner cavity;
the stripping assembly is connected to the equipment tube and comprises a transmitting electrode, a loop electrode and a traction mechanism, wherein the transmitting electrode and the loop electrode are used for forming a loop with an operation part, and the traction mechanism is used for driving the equipment tube to bend;
the cleaning assembly comprises an installation tube, a control mechanism, an air blowing mechanism and an air transmission mechanism, wherein the installation tube is inserted into the inner cavity, the control mechanism is used for controlling the extension and retraction of the installation tube, the air blowing mechanism is used for cleaning the outer side of the transmitting electrode, the outer side of the loop electrode and the liquid of the operation part through air blowing after the extension and retraction of the installation tube, and the air transmission mechanism is used for adjusting the air pressure in the catheter;
the injection assembly comprises an infusion head and an infusion mechanism, the infusion head is arranged on the mounting tube, the infusion head is used for injecting a medicament into an operation position through the mounting tube after the stripping operation is finished, and the infusion mechanism is used for conveying liquid to the infusion head; and
the switching assembly comprises a rotating mechanism and a connecting mechanism, wherein the rotating mechanism is used for carrying out position butt joint on the gas transmission mechanism or the infusion mechanism and the mounting pipe respectively through rotation, and the connecting mechanism is used for carrying out position butt joint on the gas transmission mechanism or the infusion mechanism and the mounting pipe and then carrying out mutual connection on the gas transmission mechanism or the infusion mechanism and the mounting pipe.
Preferably, the low-temperature plasma peeling knife surgical device further comprises a device cart, and the handle is connected to the device cart.
Preferably, the traction mechanism comprises a traction wire and traction pliers, one end of the traction wire is connected with the equipment pipe, the other end of the traction wire is connected with the traction pliers, the traction pliers are arranged on the handle, and the traction pliers are clamped to adjust the movement of the traction wire so as to drive the equipment pipe to bend.
Preferably, the control mechanism comprises an adjusting gear, the adjusting gear is arranged on the handle, the adjusting gear is symmetrically arranged on the outer side of the mounting tube, a tooth slot is formed in one end, in contact with the adjusting gear, of the mounting tube, the adjusting gear is meshed with the tooth slot, and the adjusting gear is used for driving the guide rail to stretch and retract through rotation.
Preferably, the blowing mechanism comprises a telescopic rod, the telescopic rod is symmetrically arranged on the mounting pipe, and a plurality of blowing ports are formed around the side wall of the telescopic rod.
Preferably, the gas transmission mechanism is arranged on the equipment vehicle, the gas transmission mechanism comprises a pneumatic electromagnetic valve and a gas cylinder, the pneumatic electromagnetic valve is connected to the gas cylinder, and the pneumatic electromagnetic valve is used for adjusting the gas pressure inside the guide pipe.
Preferably, the infusion mechanism comprises a liquid medicine box, a medicine pumping electromagnetic valve and a flowmeter, wherein the liquid medicine box is arranged on the equipment vehicle, the medicine pumping electromagnetic valve is used for conveying liquid medicine in the liquid medicine box to the infusion head, the flowmeter is connected to the output end of the medicine pumping electromagnetic valve, and the flowmeter is used for controlling the dosage of the output liquid medicine.
Preferably, the rotating mechanism is arranged on the equipment vehicle, the rotating mechanism comprises a rotating motor, a rotating disc, a first guide pipe and a second guide pipe, the rotating motor is used for driving the rotating disc to rotate, two L-shaped mounting grooves are formed in the rotating disc, the first guide pipe and the second guide pipe are respectively connected to different mounting grooves, and the first guide pipe and the second guide pipe are respectively connected to the pneumatic electromagnetic valve and the medicine pumping electromagnetic valve.
Preferably, the connecting mechanism comprises a connector, a connecting push rod, a rotating block, a plug and a connecting motor, wherein the connector is arranged at one end of the mounting groove, the connector is connected to the first conduit or the second conduit, the connecting push rod is used for driving the connector to move along the direction of the mounting groove, the rotating block is sleeved on the connector, the plug is arranged in the mounting pipe, and the connecting motor is used for driving the rotating block to rotate after the plug is inserted into the connector, so that the plug is fixedly connected with the connector.
Preferably, the connector is internally provided with a sealing block, and the sealing block is used for preventing the connector from leaking when in use.
Compared with the prior art, the invention has the beneficial effects that: when the device is used, the position of the equipment tube is regulated through the traction mechanism, so that the electrode (the transmitting electrode and the loop electrode) is aligned to an operation position, then the surface of the electrode (the transmitting electrode and the loop electrode) and the operation position are blown through the blowing mechanism, so that the volatilization of iodine or alcohol above the operation position and the electrode is quickened, and blood or tissue fluid of the operation position is blown to a non-operation position, thereby reducing the burning of a patient caused by the contact of electric spark and flammable liquid, cleaning conductive media such as tissue fluid and blood, and avoiding the damage of the patient caused by the transmission of current to other organs through the conductive media (tissue fluid or blood) during operation, and reducing the operation risk; after the operation is finished, the injection assembly and the mounting tube can be mutually butted through the rotating mechanism according to actual conditions, the injection can be performed after the gas in the mounting tube is discharged, the whole process does not need to draw out the device tube from the patient body to perform device replacement, the operation time is greatly improved, the practicability is very strong, and the device is worthy of popularization.
Drawings
FIG. 1 is a schematic view of an isometric structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the pipe and the traction mechanism of the equipment of the present invention;
FIG. 3 is a schematic diagram of the connection structure of the device tube and the traction wire in a sectional state;
FIG. 4 is a schematic view of the structure of the working state of the transmitting electrode and the loop motor according to the invention;
FIG. 5 is a schematic view of the working state of the blowing mechanism of the present invention;
FIG. 6 is a schematic view of an isometric view of an infusion set of the present invention in an operational state;
FIG. 7 is a schematic view of the cross-sectional structure of the interior of the equipment vehicle of the present invention;
fig. 8 is a schematic view of an isometric structure of a rotating disc of the present invention (for convenience of illustration, a rotating block and a connecting motor that are used in cooperation with a second conduit are omitted).
In the figure: the device comprises a handle 1, a device tube 2, a device vehicle 3, a transmitting electrode 4, a loop electrode 5, a traction wire 6, traction pliers 7, an installation tube 8, a regulating gear 9, a tooth socket 10, a telescopic rod 11, a gas blowing port 12, a pneumatic electromagnetic valve 13, a gas cylinder 14, a transfusion head 15, a liquid medicine box 16, a medicine pumping electromagnetic valve 17, a flowmeter 18, a rotary motor 19, a rotary disc 20, a first guide tube 21, a second guide tube 22, a connector 23, a push rod 24, a rotary block 25, a plug 26 and a motor 27.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution:
a low temperature plasma strip knife surgical device comprising:
the surgical operation device comprises a handle 1, wherein the handle 1 is used for being held by a doctor during the surgical operation, the handle 1 is connected with a device tube 2, the device tube 2 is used for installing a stripping assembly and an air blowing mechanism, the device tube 2 is provided with an inner cavity, and the inner cavity is used for installing an installation tube 8; the low-temperature plasma stripping knife operation device further comprises a device trolley 3, the device trolley 3 is used for conveniently transporting the low-temperature plasma stripping knife operation device in an operating room, and the handle 1 is connected to the device trolley 3.
The stripping assembly is connected to the equipment tube 2 and comprises a transmitting electrode 4, a loop electrode 5 and a traction mechanism, wherein the transmitting electrode 4 and the loop electrode 5 are connected to the plasma therapeutic instrument, the plasma therapeutic instrument is of a double-electrode structure, the working frequency is 110Hz, the temperature during stripping is in the range of 35-40 ℃, the temperature during coagulation is 40-70 ℃, the stripping assembly belongs to low-temperature plasma stripping operation equipment, the transmitting electrode 4 and the loop electrode 5 are used for forming a loop with an operation part, the traction mechanism is used for driving the equipment tube 2 to bend, the transmitting electrode 4 and the loop electrode 5 are controlled through pedals so as to form a loop for the transmitting electrode 4, a plasma layer (arranged in the equipment car 3), the loop electrode 5 and the contacted operation part when in use, and the transmitting electrode 4 is hemispherical in the loop electrode 5;
the traction mechanism comprises a traction wire 6 and a traction clamp 7, one end of the traction wire 6 is fixedly connected to one end of the equipment pipe 2 close to an electrode through an inner cavity, one end of the traction wire 6 is connected with the equipment pipe 2, the other end of the traction wire 6 is connected to the traction clamp 7, the traction clamp 7 is arranged on the handle 1, the traction clamp 7 comprises a fixed clamp, a clamping clamp and an elastic piece, the fixed clamp is fixedly connected to the handle 1, the clamping clamp is slidably connected to the handle 1, the elastic piece is arranged between the fixed clamp and the clamping clamp, after external force is removed, the elastic piece can drive the fixed clamp and the clamping clamp to rebound, the traction wire 6 is used for driving the equipment pipe 2 to bend through the clamping traction clamp 7, the traction wire 6 can move towards the outer side of the equipment pipe 2 when the traction clamp 7 is clamped, but the equipment pipe 2 cannot shrink, and therefore the equipment pipe 2 can bend towards the side of the traction wire 6 along with the movement of the traction wire 6.
The cleaning assembly comprises a mounting tube 8, a control mechanism, an air blowing mechanism and an air conveying mechanism, wherein the mounting tube 8 is a medical-grade PVC tube, the mounting tube 8 is used for mounting the air blowing mechanism, a part of the mounting tube 8 is arranged inside the handle 1 in a surrounding mode and used for stretching, the mounting tube 8 exposed out of the equipment vehicle 3 is shortened for convenient display in the attached drawing 1 of the specification, the mounting tube 8 is inserted into an inner cavity, the control mechanism is used for controlling stretching of the mounting tube 8, the air blowing mechanism is used for cleaning liquid outside the transmitting electrode 4, outside the loop electrode 5 and at an operation position through air blowing after the mounting tube 8 stretches out and draws back, and the air conveying mechanism is used for adjusting air pressure inside the guide tube;
the control mechanism comprises an adjusting gear 9, the adjusting gear 9 is arranged on the handle 1, the adjusting gear 9 is symmetrically arranged on the outer side of the mounting tube 8, a tooth socket 10 is arranged at one end, which contacts with the mounting tube 8, of the adjusting gear 9, teeth of the adjusting gear 9 are inserted into the tooth socket 10 when the control mechanism is used, the adjusting gear 9 and the tooth socket 10 are meshed with each other, the adjusting gear 9 is used for driving a guide rail to stretch out and draw back through rotation, the adjusting gear 9 can be manually rotated to adjust the adjusting gear 9 through a motor, the adjusting gear 9 can be driven to rotate through rotation of different turns of the adjusting gear 9 to carry out different processes, for example, the mounting tube 8 is positioned between the transmitting electrode 4 and the return electrode 5 when the adjusting gear 9 is not rotated, the infusion head 15 is exposed to carry out injection operation when the adjusting gear 9 rotates for one turn, the telescopic rod 11 is exposed to carry out blowing operation when the adjusting gear 9 rotates for convenience in displaying, and the length of the tooth socket 10 is shortened correspondingly for parts with longer length of the equipment tube 2 and the mounting tube 8 in the application.
The mechanism of blowing includes telescopic link 11, telescopic link 11 establishes for the rubber pole cover that can carry out tertiary regulation and forms, telescopic link 11 symmetry sets up in installation tube 8, around offer a plurality of gas blowing mouth 12 in telescopic link 11 lateral wall, gas blowing mouth 12 encircles and sets up in the rubber pole outside, can make telescopic link 11 extend because inside atmospheric pressure too big pressure when gas transmission mechanism uses, afterwards gas can blow to the liquid at operation position through gas blowing mouth 12 and the infusion head 15 at top, form the negative pressure in installation tube 8 through gas transmission mechanism after the end of use, thereby telescopic link 11 is because the negative pressure adsorbs and can shrink and retract installation tube 8 afterwards, the rubber pole of telescopic link 11 can overlap each other and block up gas blowing mouth 12 after shrink.
The gas transmission mechanism is arranged on the equipment vehicle 3 and comprises a pneumatic electromagnetic valve 13 and a gas cylinder 14, the pneumatic electromagnetic valve 13 is a three-way electromagnetic valve, three connecting ends of the three-way electromagnetic valve are respectively connected with a negative pressure generator (used for generating negative pressure in the installation pipe 8), the gas cylinder 14 (used for providing gas) and a first conduit 21, the pneumatic electromagnetic valve 13 is connected with the gas cylinder 14, the gas cylinder 14 is a carbon dioxide gas cylinder 14, carbon dioxide is inert gas, the solubility is high, the gas cylinder 14 is easy to discharge, the gas cylinder 14 is arranged in the equipment vehicle 3, the pneumatic electromagnetic valve 13 is used for adjusting the air pressure in the conduit, a change-over switch of the pneumatic electromagnetic valve 13 is arranged on the handle 1, and relevant parameters of the pneumatic electromagnetic valve 13 need to be set on a control panel above the equipment vehicle 3.
The injection assembly comprises an infusion head 15 and an infusion mechanism, wherein a one-way valve is arranged in the infusion head 15 and used for enabling fluid to flow out of the mounting tube 8 only through the output head, the infusion head 15 is arranged on the mounting tube 8, the infusion head 15 is used for injecting a medicament into an operation part through the mounting tube 8 after the stripping operation is finished, the infusion mechanism is used for conveying liquid to the infusion head 15, rubber isolation sleeves are arranged at contact ends of the transmitting electrode 4, the loop electrode 5 and the infusion head 15 and are in contact with each other, and the infusion head 15 is made of 0Cr17Ni12Mo2 stainless steel (namely 316 stainless steel);
the infusion mechanism comprises a liquid medicine box 16, a medicine drawing electromagnetic valve 17 and a flowmeter 18, wherein the liquid medicine box 16 is arranged on the equipment vehicle 3, the medicine drawing electromagnetic valve 17 is connected with a liquid drawing pump, the liquid drawing pump is used for conveying liquid medicine in the liquid medicine box 16 to the infusion head 15 according to a set value after the medicine drawing electromagnetic valve 17 is opened, the flowmeter 18 is connected to the output end of the medicine drawing electromagnetic valve 17, the flowmeter 18 is used for controlling the dosage of the output liquid medicine, a control button of the medicine drawing electromagnetic valve 17 is arranged on the handle 1 and used for controlling the work of the medicine drawing electromagnetic valve 17, and the flowmeter 18 is adjusted through a control panel arranged on the equipment vehicle 3.
The switching assembly comprises a rotating mechanism and a connecting mechanism, wherein the rotating mechanism is used for carrying out position butt joint on the gas transmission mechanism or the infusion mechanism and the mounting tube 8 respectively through rotation, and the connecting mechanism is used for carrying out mutual connection on the gas transmission mechanism or the infusion mechanism and the mounting tube 8 after the gas transmission mechanism or the infusion mechanism is in position butt joint with the mounting tube 8.
The rotating mechanism is arranged on the equipment vehicle 3 and comprises a rotating motor 19, a rotating disc 20, a first guide pipe 21 and a second guide pipe 22, wherein the rotating motor 19 is a miniature motor produced by Shenzhen Yongtai motor Limited company, the rotating motor 19 is used for driving the rotating disc 20 to rotate, two L-shaped mounting grooves are formed in the rotating disc 20, the first guide pipe 21 and the second guide pipe 22 are respectively connected to different mounting grooves, the first guide pipe 21 and the second guide pipe 22 are respectively connected to the pneumatic electromagnetic valve 13 and the medicine drawing electromagnetic valve 17, a button for controlling the rotating motor 19 is arranged on the handle 1, and each time the button is pressed, the first guide pipe 21 or the second guide pipe 22 are mutually butted with a plug 26 at the rear of the mounting pipe 8.
The connecting mechanism comprises a connector 23, a connecting push rod 24, a rotating block 25, a plug 26 and a connecting motor 27, wherein the connector 23 is arranged at one end of a mounting groove, the connector 23 is used for mounting the plug 26, the connector 23 is connected to the first conduit 21 or the second conduit 22, the connecting push rod 24 is a hydraulic push rod, a hydraulic cylinder for driving the connecting push rod 24 is arranged on a device car 3, the connecting push rod 24 is used for driving the connector 23 to move along the direction of the mounting groove, the rotating block 25 is sleeved on the connector 23, the plug 26 is arranged at the tail part of the mounting pipe 8, one end of the plug 26 is fixedly connected with the mounting pipe 8 so as to ensure butt joint, threads are arranged at the outer side of the plug 26, threads corresponding to the plug 26 are arranged in the rotating block 25, the connecting motor 27 is a miniature motor purchased by the North commercial company of Shenzhen, the type motor can be rotated positively and reversely, gears at the outer side of the connecting motor 27 are meshed mutually, and therefore the rotating block 25 can be driven to rotate, and the rotating block 25 and the plug 26 are driven to be screwed mutually, and the connecting motor 27 is connected with the plug 23 so that the plug 23 is driven to rotate. The inside sealing block that is provided with of connector 23, sealing block cover locate the connector 23 inside, and sealing block is used for preventing liquid or gas from appearing leaking after plug 26 and rotor 25 interconnect.
Working principle: before operation, the relevant parameters (such as the air pressure of the pneumatic electromagnetic valve 13 and the flow rate of the liquid medicine required to be input each time) in the operation are set by the control panel above the equipment vehicle 3, during stripping operation, the equipment pipe 2 is moved above the operation part by the adjustment of the traction mechanism, then the two circles of adjusting gears 9 are rotated to extend the mounting pipe 8 and expose the telescopic rod 11, then the pneumatic electromagnetic valve 13 is started to communicate the air cylinder 14 with the mounting pipe 8, at the moment, the carbon dioxide in the air cylinder 14 enters the mounting pipe 8 and lifts the telescopic rod 11 to blow the liquid such as alcohol and tissue liquid on the surfaces of the operation part and the electrodes (the transmitting electrode 4 and the loop electrode 5) to keep the liquid away from the operation part, switching the pneumatic solenoid valve 13 to enable the mounting tube 8 and the negative pressure generator to be mutually abutted so as to retract the telescopic rod 11 through negative pressure, then rotating the adjusting gear 9 to enable the mounting tube 8 to retract, at the moment, peeling off the operation part by stepping on the pedal to form a loop of the emitter electrode 4, the plasma layer, the loop electrode 5 and the contacted operation part, starting the connecting motor 27 after the peeling operation is finished so as to enable the rotating block 25 and the plug 26 at the tail end of the mounting rod to be mutually separated, then starting the rotating motor 19 to drive the connecting head 23 and the plug 26 which are mutually connected with the second conduit 22 to be mutually connected, then mutually abutting the plug 26 and the connecting head 23 which is mutually abutted with the second conduit 22 through the rotation of the connecting motor 27, at the moment, the liquid medicine needs to be injected into the mounting tube 8 until the liquid medicine flowing out of the liquid medicine 15 through the electronic observation mirror can be observed (at the moment, no gas in the mounting tube 8 meets the injection requirement), the adjustment gear 9 is then rotated to extend the infusion head 15 beyond the electrode and inject the medical fluid into the surgical site.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A low temperature plasma strip knife surgical device, comprising:
the handle is connected with an equipment pipe, and the equipment pipe is provided with an inner cavity;
the stripping assembly is connected to the equipment tube and comprises a transmitting electrode, a loop electrode and a traction mechanism, wherein the transmitting electrode and the loop electrode are used for forming a loop with an operation part, and the traction mechanism is used for driving the equipment tube to bend;
the cleaning assembly comprises an installation tube, a control mechanism, an air blowing mechanism and an air transmission mechanism, wherein the installation tube is inserted into the inner cavity, the control mechanism is used for controlling the extension and retraction of the installation tube, the air blowing mechanism is used for cleaning the outer side of the transmitting electrode, the outer side of the loop electrode and the liquid of the operation part through air blowing after the extension and retraction of the installation tube, and the air transmission mechanism is used for adjusting the air pressure in the catheter;
the injection assembly comprises an infusion head and an infusion mechanism, the infusion head is arranged on the mounting tube, the infusion head is used for injecting a medicament into an operation position through the mounting tube after the stripping operation is finished, and the infusion mechanism is used for conveying liquid to the infusion head; and
the switching assembly comprises a rotating mechanism and a connecting mechanism, wherein the rotating mechanism is used for carrying out position butt joint on the gas transmission mechanism or the infusion mechanism and the mounting pipe respectively through rotation, and the connecting mechanism is used for carrying out position butt joint on the gas transmission mechanism or the infusion mechanism and the mounting pipe and then carrying out mutual connection on the gas transmission mechanism or the infusion mechanism and the mounting pipe.
2. The low temperature plasma strip knife surgical device of claim 1, wherein: the low-temperature plasma stripping knife operation device further comprises a device trolley, and the handle is connected with the device trolley.
3. The low temperature plasma strip knife surgical device of claim 1, wherein: the traction mechanism comprises a traction wire and traction pliers, one end of the traction wire is connected with the equipment pipe, the other end of the traction wire is connected with the traction pliers, the traction pliers are arranged on the handle, and the traction pliers are clamped to adjust the movement of the traction wire so as to drive the equipment pipe to bend.
4. The low temperature plasma strip knife surgical device of claim 1, wherein: the control mechanism comprises a regulating gear, the regulating gear is arranged on the handle, the regulating gear is symmetrically arranged on the outer side of the mounting tube, a tooth slot is formed in one end, in contact with the regulating gear, of the mounting tube, the regulating gear is meshed with the tooth slot, and the regulating gear is used for driving the guide rail to stretch and retract through rotation.
5. The low temperature plasma strip knife surgical device of claim 1, wherein: the air blowing mechanism comprises a telescopic rod, the telescopic rod is symmetrically arranged on the mounting pipe, and a plurality of air blowing ports are formed around the side wall of the telescopic rod.
6. A low temperature plasma strip knife surgical device according to claim 2, wherein: the gas transmission mechanism is arranged on the equipment vehicle and comprises a pneumatic electromagnetic valve and a gas cylinder, wherein the pneumatic electromagnetic valve is connected to the gas cylinder and used for adjusting the gas pressure inside the guide pipe.
7. A low temperature plasma strip knife surgical device according to claim 2, wherein: the infusion mechanism comprises a liquid medicine box, a medicine pumping electromagnetic valve and a flowmeter, wherein the liquid medicine box is arranged on the equipment vehicle, the medicine pumping electromagnetic valve is used for conveying liquid medicine in the liquid medicine box to the infusion head, the flowmeter is connected to the output end of the medicine pumping electromagnetic valve, and the flowmeter is used for controlling the dosage of the output liquid medicine.
8. A low temperature plasma strip knife surgical device according to claim 2, wherein: the rotating mechanism is arranged on the equipment vehicle and comprises a rotating motor, a rotating disc, a first guide pipe and a second guide pipe, the rotating motor is used for driving the rotating disc to rotate, two L-shaped mounting grooves are formed in the rotating disc, the first guide pipe and the second guide pipe are respectively connected to different mounting grooves, and the first guide pipe and the second guide pipe are respectively connected to the pneumatic electromagnetic valve and the medicine pumping electromagnetic valve.
9. The low temperature plasma strip knife surgical device of claim 8, wherein: the connecting mechanism comprises a connector, a connecting push rod, a rotating block, a plug and a connecting motor, wherein the connector is arranged at one end of the mounting groove, the connector is connected to the first conduit or the second conduit, the connecting push rod is used for driving the connector to move along the direction of the mounting groove, the rotating block is sleeved on the connector, the plug is arranged in the mounting pipe, and the connecting motor is used for driving the rotating block to rotate after the plug is inserted into the connector so as to enable the plug to be fixedly connected with the connector.
10. The low temperature plasma strip knife surgical device of claim 9, wherein: the connector is internally provided with a sealing block, and the sealing block is used for preventing the connector from leaking when in use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311297539.3A CN117297751B (en) | 2023-10-09 | 2023-10-09 | Low-temperature plasma stripping knife operation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311297539.3A CN117297751B (en) | 2023-10-09 | 2023-10-09 | Low-temperature plasma stripping knife operation device |
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| CN117297751B CN117297751B (en) | 2024-02-23 |
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| CN117297751B (en) | 2024-02-23 |
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