CN112914820A - Radio frequency technology-based ophthalmic surgery platform - Google Patents
Radio frequency technology-based ophthalmic surgery platform Download PDFInfo
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- CN112914820A CN112914820A CN202110252188.9A CN202110252188A CN112914820A CN 112914820 A CN112914820 A CN 112914820A CN 202110252188 A CN202110252188 A CN 202110252188A CN 112914820 A CN112914820 A CN 112914820A
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- 238000002347 injection Methods 0.000 claims description 14
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- 230000004410 intraocular pressure Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 10
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- 230000005540 biological transmission Effects 0.000 claims 1
- 210000004127 vitreous body Anatomy 0.000 abstract description 15
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/0079—Methods or devices for eye surgery using non-laser electromagnetic radiation, e.g. non-coherent light or microwaves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
- A61F9/00745—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/008—Methods or devices for eye surgery using laser
- A61F9/00821—Methods or devices for eye surgery using laser for coagulation
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Surgical Instruments (AREA)
Abstract
The invention relates to medical equipment, in particular to an ophthalmologic operation platform based on a radio frequency technology, wherein the radio frequency technology is introduced into the operation platform, an original pneumatic cutting unit is abandoned, and the cutting speed can be increased to 60000 times/minute; the cutting device has the advantages that the cutting device is more than ten times of the current mechanical cutting speed, the vitreous body cutting efficiency can be greatly improved, the operation time is shortened, mechanical vibration is not generated due to a pure ionization cutting method, the operation controllability and the operation safety are greatly improved, the requirements on steel of a cutting head are greatly reduced, the opportunity is brought to the localization of the vitreous body cutting head, the radio frequency operation head is simple in structure, the cutting is carried out through radio frequency, mechanical motion does not exist, the service life of the operating head is long, and the working stability is high.
Description
Technical Field
The invention relates to medical equipment, in particular to an ophthalmic surgery platform based on a radio frequency technology.
Background
Cutting is the basic operation in the operation process, and for the operation of larger tissues, a scalpel is usually used, and for the operation of smaller tissues and organs, such as eye operation, the scalpel cannot be used for operation.
In order to solve the technical problem, a special cutting tool is researched, such as vitrectomy, which is a high-level modern microscopic ophthalmic operation developed in the early 70 th of the 20 th century, the appearance of the special cutting tool is considered as a great revolution of the ophthalmic treatment history, a plurality of operation forbidden zones which cannot be treated before are broken, and the special cutting tool brings light to patients with infinite eye diseases.
The vitreous cutting technology adopts a mechanical pneumatic cutting technology all the time, and the processing technology and the science and technology are improved; the cutting speed is increased from 600 times/min in the early stage to 5000 times/min in the mainstream today. The operation time is also increased from about 5H/table to about 1H/table at present; the incision size ranged from 18G to now 25G.
The cutting mode of the pneumatic glass cutting is that a high-frequency electromagnetic control valve is adopted to mechanically drive the cutting head device by controlling high-frequency high-pressure air flow; the high shear rate of the mechanical type is accompanied by high noise, high air pressure, and high vibration. It is increasingly difficult to improve the cutting efficiency and reduce the size of the surgical incision.
An existing ophthalmic surgery platform, such as a Stellaris PC type vitrectomy surgery system of bosom america, includes a radio frequency energy unit for cutting tissue, a negative pressure suction unit, an illumination unit, a silicone oil injection and suction unit, a pressure control unit, a wound closure unit, an ultrasonic energy unit, and an operation control unit; the negative pressure suction unit is used for drawing and/or collecting the cutting products; the illumination unit is used for illuminating a surgical site; the silicone oil injection and suction unit is used for injecting and recovering silicone oil; the pressure control unit is used for controlling the tissue pressure at the operation position; the wound sealing unit is used for sealing and stopping bleeding at a cutting position; the ultrasonic energy unit disrupts tissue; the operation control unit is used for controlling the actions of the radio frequency energy unit, the negative pressure suction unit, the illumination unit, the silicone oil injection and suction unit, the pressure control unit, the wound sealing unit and the ultrasonic energy unit, and the tool bit of the glass cutter is pneumatic glass cutting.
And up to now, the qualified and effective pneumatic glass crop products of a processing factory cannot be produced in China.
The application of radio frequency technology in medicine is widely developed and mainly applied to the selection and cutting of tissues; ablation; auxiliary heat treatment of tumor; there are several nationalized rf surgical devices that have acquired national medical device licenses.
In view of this, it is an urgent technical problem to be solved to research an operation platform based on radio frequency technology.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an ophthalmic surgery platform based on the radio frequency technology, which has comprehensive functions and is convenient to use.
The invention is realized by the following technical scheme: an ophthalmologic operation platform based on radio frequency technology comprises a negative pressure suction unit, an illumination unit, a silicone oil injection and suction unit, an intraocular pressure control unit, an intraocular laser unit, an ultrasonic energy unit and an operation control unit,
the negative pressure suction unit is used for drawing and/or collecting the cutting products;
the illumination unit is used for illuminating a surgical site;
the silicone oil injection and suction unit is used for injecting and recovering silicone oil;
the intraocular pressure control unit is used for controlling the tissue pressure at the operation site;
the intraocular laser unit is used for sealing and stopping bleeding at the cutting part;
the ultrasonic energy unit disrupts tissue;
the operation control unit is used for controlling the actions of the negative pressure suction unit, the illumination unit, the silicone oil injection and suction unit, the intraocular pressure control unit, the intraocular laser unit and the ultrasonic energy unit,
the radio frequency power generation device also comprises a radio frequency energy unit, wherein the radio frequency energy unit comprises a radio frequency generation module and a radio frequency operating head, the radio frequency generation module generates radio frequency current with the frequency of 1-60000 times/minute or 4MHz, the power is 0-50W, and the emission time is 0.1ms-100 ms;
the radio frequency operating head comprises a handle, a probe is arranged on the handle, the probe comprises a tubular emitting electrode, a receiving electrode penetrates through the emitting electrode, an insulating layer I is arranged between the emitting electrode and the receiving electrode, an insulating layer II is arranged outside the emitting electrode, a suction cavity is coaxially arranged in the receiving electrode, and the suction cavity is communicated to a negative pressure suction unit.
Further, the handle comprises a shell, an air connector used for being connected to the negative pressure suction unit is arranged on the shell, the air connector is connected with the shell through a first fixing block, and the air connector is communicated with the receiving electrode.
Furthermore, the shell is also provided with an electric connector which is electrically connected with the radio frequency generation module and is respectively electrically connected with the receiving electrode and the emitting electrode through the conductive blocks.
Further, the conducting block comprises a clamping block, a clamping hole is formed in the clamping block, the clamping block is connected with a conducting plate, and the conducting plate is electrically connected with an electric connector.
Further, the emitting electrode extends to the outside of the receiving electrode to form a vitreous body cutting cavity, and a first suction port is formed in the side wall of the vitreous body cutting cavity.
Further, the receiving electrode extends to the outside of the emitting electrode and is provided with an ablation cavity, and the side wall of the ablation cavity is provided with a second suction port.
Further, the radio frequency generation module comprises a micro-control module, a radio frequency modulation module and a radio frequency emission module.
The invention has the beneficial effects that: the radio frequency technology is introduced into the surgical platform based on the radio frequency technology, an original pneumatic cutting unit is abandoned, and the cutting speed can be increased to 60000 times/minute; the cutting device has the advantages that the cutting device is more than ten times of the current mechanical cutting speed, the vitreous body cutting efficiency can be greatly improved, the operation time is shortened, mechanical vibration is not generated due to a pure ionization cutting method, the operation controllability and the operation safety are greatly improved, the requirements on steel of a cutting head are greatly reduced, the opportunity is brought to the localization of the vitreous body cutting head, the radio frequency operation head is simple in structure, the cutting is carried out through radio frequency, mechanical motion does not exist, the service life of the operating head is long, and the working stability is high.
Drawings
FIG. 1 is a schematic view of example 1;
FIG. 2 is a schematic view of a RF operating head;
FIG. 3 is a disassembled view of the RF operating head;
FIG. 4 is a schematic diagram of a vitreous cutting chamber;
FIG. 5 is a schematic view of an ablation lumen configuration;
FIG. 6 is a schematic diagram of a conductive block structure;
FIG. 7 is a schematic view of copper plate development;
FIG. 8 is a schematic diagram of a micro control module;
FIG. 9 is a schematic diagram of a radio frequency modulation module;
FIG. 10 is a schematic diagram of a radio frequency transmit module;
wherein: 1-base, 2-negative pressure suction unit, 3-lighting unit, 4-silicon oil suction unit, 5-intraocular pressure control unit, 6-intraocular laser unit, 7-ultrasonic energy unit, 8-radio frequency energy unit, 801-handle, 802-probe, 803-antiskid sleeve, 804-positioning ring, 805-electric connector, 806-air connector, 807-positioning projection, 808-first fixed block, 809-conductive block, 810-conductive plate, 812-second fixed block, 814-clamping hole, 815-opening, 816-suction cavity, 817-receiving electrode, 818-first insulating layer, 819-emitter, 820-vitreous body cutting cavity, 821-first suction port, 822-ablation cavity, 823-second suction port, 9-a suspension bracket and 10-a display.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following examples: the frequency of the radio frequency energy unit is 4 MHz; the power is 0-50W; cutting frequency is 1-60000 times/min; the radio frequency energy emission time is adjustable from 0.1ms to 100 ms.
A negative pressure suction unit: the linear adjustment of 0-650mmHg can accurately control the suction negative pressure, and the excised intraocular tissues can be safely and effectively sucked.
An illumination unit: the double-light-source lighting unit provides effective and reliable illumination for the intraocular vitreous body surgery, and makes the surgical field of vision clearer; the maximum illumination is 30 lumens.
A silicone oil injection unit: providing a linearly adjustable precision injection pressure of 0-85PSI for vitrectomy; so as to be conveniently used for injecting the silicone oil into eyes.
Intraocular pressure control unit: can accurately output 0-100mmHg sterile gas; 1mmHg is used as an increase and decrease quantity; the device is used for gas-liquid exchange in the vitrectomy operation; can also be used for intraocular pressure control during operation.
Intraocular laser unit: adopting 532nm laser; used for intraocular retinal photocoagulation or neovascular closure.
An ultrasonic energy unit: the ultrasonic energy unit is used for cataract extraction when the field of vision of the vitrectomy is influenced due to cataract caused by human eye crystal aging during the vitrectomy operation by converting ultrasonic electric energy into mechanical energy; or crushing the crystal when the crystal nucleus of the human eye is separated from the vitreous cavity.
The operation control unit includes a display 10 and a foot pedal controller.
The hanging bracket is used for hanging the infusion bottle.
For the convenience of manufacture, the negative pressure suction unit, the illumination unit, the silicone oil injection and suction unit, the intraocular pressure control unit, the intraocular laser unit, the ultrasonic energy unit and the operation control unit can all follow the negative pressure suction unit, the illumination unit, the silicone oil injection and suction unit, the intraocular pressure control unit, the intraocular laser unit, the ultrasonic energy unit and the operation control unit of the Stellaris PC type glass cutting operation system of Bausch & Lomb.
Example 1
As shown in fig. 1-4 and 6-10, an operation platform based on radio frequency technology comprises a base 1, wherein a negative pressure suction unit 2, an illumination unit 3, a silicone oil injection and suction unit 4, an intraocular pressure control unit 5, an intraocular laser unit 6, an ultrasonic energy unit 7, an operation control unit and a suspension bracket 9 are arranged on the base.
The surgical operation instrument also comprises a radio frequency energy unit 8, wherein the radio frequency energy unit comprises a radio frequency generation module and a radio frequency operating head, the radio frequency generation module comprises a micro control module, a radio frequency modulation module and a radio frequency emission module, radio frequency current with the frequency of 1-60000 times/minute or 4MHz is generated, the power is 0-50W, the emission time is 0.1ms-100ms, and the frequency and the power emission time can be adjusted according to the surgical requirements.
The radio frequency operating head comprises a handle 801, a probe 802 is installed on the handle, concretely, the handle comprises a shell, the shell is a plastic shell and has good insulation and waterproof effects, the shell is formed by buckling two molded half shells, the molding is convenient, the two half shells are positioned by a positioning ring 804, the assembly precision is high, a holding part is formed in the middle of the shell, the outer diameter of the holding part is smaller, the holding part is convenient to hold by fingers, in order to improve the holding stability, a latex antiskid sleeve 803 is sleeved on the holding part, a positioning bulge 807 is integrally formed on the holding part, the latex antiskid sleeve is further positioned, an air connector 806 used for being connected to a negative pressure suction unit is installed on the shell, the air connector is connected with the shell through a fixing block 808 and is communicated with a receiving pole, an electric connector 805 is further installed on the shell, the electric connector has two wiring piles, and the electric connector is electrically connected to a, in particular to a radio frequency receiving end and a radio frequency emitting end which are connected to a radio frequency generation module, an electric connector is respectively and electrically connected with a receiving electrode 817 and an emitting electrode 819 through a conductive block 809, the conductive block comprises a clamping block, a clamping hole 814 is processed on the clamping block and has good conductive effect, the clamping block is connected with a conductive plate 810, the conductive plate is electrically connected with the electric connector, in the embodiment, the clamping block and the conductive plate are integrally formed, the clamping block and the conductive plate are formed by hot bending of a copper plate and have good conductivity, heat is generated by high-frequency current, two wide plates are symmetrically formed at the lower end of the conductive plate in an integrally formed mode, grooves for forming the clamping holes are processed on the wide plates, the two wide plates are oppositely bent into a cylinder, a gap is formed at the butt joint, then the lower end is flattened, an opening 815 is processed at the position of the flattened position corresponding to the gap, a clamping hole is formed between, the clamping device has good elasticity, can be well attached after clamping, and further guarantees the conductive effect, and the conductive plate has a large power-on area and is good in conductive effect.
The probe comprises a tubular emitting electrode, a receiving electrode penetrates through the emitting electrode, an insulating layer I818 is arranged between the emitting electrode and the receiving electrode, an insulating layer II is compounded outside the emitting electrode, a suction cavity is formed in the receiving electrode in a coaxial mode and communicated to a negative pressure suction unit, specifically, the suction cavity is communicated with an air connector, and sealant is arranged at the joint of the suction cavity and the air connector to guarantee the sealing effect.
The emitting electrode and the receiving electrode are both stainless steel tubes, and have good structural strength, corrosion resistance and conductivity.
The probe passes through fixed block two 812 and is connected with the casing, and fixed block one and fixed block two are the two coaxial lines of cylindrical, and then guarantee the installation accuracy of probe, provide stable support to the probe simultaneously, avoid rocking.
In the embodiment, the radio frequency energy unit is used for a vitreous cutting operation, the operation process is set by a doctor according to the actual situation, and the radio frequency energy unit provided by the embodiment can be used when the vitreous cutting is carried out.
The emitter extends to the outside of the receiver to form a vitreous body cutting cavity 820, a suction port I821 is machined on the side wall of the vitreous body cutting cavity, negative pressure is formed in the vitreous body cutting cavity when the cutting device is used, vitreous body tissues are drawn into the vitreous body cutting cavity, a vitreous body is cut through high-frequency radio-frequency current, the cutting frequency is high, no vibration is generated, the service life is long, the accuracy is high, and particularly, the cutting speed is increased to 60000 times/minute; the cutting speed is more than ten times of the current mechanical cutting speed, the cutting efficiency of the vitreous body can be greatly improved, the operation time is shortened, the operation controllability and the operation safety are greatly improved because the pure ionization cutting method does not generate mechanical vibration, the requirement on steel of the cutting head is greatly reduced, and the opportunity is brought to the localization of the vitreous body cutting head.
The radio frequency energy of the radio frequency energy platform is accurately controlled by a digital technology and is applied to the ophthalmic vitreous cutting, so that the method is worthy of wide popularization.
Example 2
As shown in fig. 5, an ophthalmological operation platform based on radio frequency technology, different from embodiment 1, the receiving electrode extends to the outside of the emitter and is provided with an ablation cavity 822, the side wall of the ablation cavity is provided with a second suction port 823, and a tapered bipolar needle-shaped radio frequency energy emitter with a negative pressure suction function at the tip is inserted into the inside of the cell tumor; the tumor body can be firmly held under the suction of negative pressure, 4MHz radio frequency energy is generated between an emitter and a receiver at the top end of the emitter, the tumor body tissue at the front end is decomposed and smashed under the action of the preset radio frequency energy, and the tumor body tissue is sucked out of eyes through back suction; avoids the diffusion of tumor tissues, achieves the aims of ablation and excision, and simultaneously is not easy to diffuse deteriorated tissues.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. An ophthalmologic operation platform based on radio frequency technology comprises a negative pressure suction unit, an illumination unit, a silicone oil injection and suction unit, an intraocular pressure control unit, an intraocular laser unit, an ultrasonic energy unit and an operation control unit,
the negative pressure suction unit is used for drawing and/or collecting the cutting products;
the illumination unit is used for illuminating a surgical site;
the silicone oil injection and suction unit is used for injecting and recovering silicone oil;
the intraocular pressure control unit is used for controlling the tissue pressure at the operation site;
the intraocular laser unit is used for sealing and stopping bleeding at the cutting part;
the ultrasonic energy unit disrupts tissue;
the operation control unit is used for controlling the actions of the negative pressure suction unit, the illumination unit, the silicone oil injection and suction unit, the intraocular pressure control unit, the intraocular laser unit and the ultrasonic energy unit,
the device is characterized by also comprising a radio frequency energy unit, wherein the radio frequency energy unit comprises a radio frequency generation module and a radio frequency operating head, the radio frequency generation module generates radio frequency current with the frequency of 1-60000 times/minute or 4MHz, the power is 0-50W, and the emission time is 0.1ms-100 ms;
the radio frequency operating head comprises a handle, a probe is arranged on the handle, the probe comprises a tubular emitting electrode, a receiving electrode penetrates through the emitting electrode, an insulating layer I is arranged between the emitting electrode and the receiving electrode, an insulating layer II is arranged outside the emitting electrode, a suction cavity is coaxially arranged in the receiving electrode, and the suction cavity is communicated to a negative pressure suction unit.
2. An rf-based ophthalmic surgical platform according to claim 1, wherein the handle comprises a housing provided with an air connector for connection to a vacuum suction unit, the air connector being connected to the housing via a first fixing block, the air connector being in communication with the receiver electrode.
3. An RF-based ophthalmic surgical platform according to claim 2, wherein electrical connectors are further provided on the housing, said electrical connectors being electrically connected to the RF generating module, said electrical connectors being electrically connected to the receiver and emitter electrodes, respectively, by conductive bumps.
4. The radio frequency technology-based ophthalmic surgical platform of claim 3, wherein the conductive block comprises a clamping block, a clamping hole is formed in the clamping block, and a conductive plate is connected to the clamping block and electrically connected to the electrical connector.
5. The rf-based ophthalmic surgical platform of claim 1, wherein the emitter electrode extends to the receiver electrode to form a vitreous cutting chamber, a sidewall of the vitreous cutting chamber being provided with a first suction port.
6. The rf-based ophthalmic surgical platform of claim 1, wherein the receiver electrode extends beyond the emitter electrode and is provided with an ablation lumen, a sidewall of which is provided with a second suction port.
7. The rf technology-based ophthalmic surgical platform of claim 1, wherein the rf generation module comprises a micro-control module, an rf modulation module, and an rf transmission module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110252188.9A CN112914820A (en) | 2021-03-08 | 2021-03-08 | Radio frequency technology-based ophthalmic surgery platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110252188.9A CN112914820A (en) | 2021-03-08 | 2021-03-08 | Radio frequency technology-based ophthalmic surgery platform |
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| CN112914820A true CN112914820A (en) | 2021-06-08 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931047A (en) * | 1987-09-30 | 1990-06-05 | Cavitron, Inc. | Method and apparatus for providing enhanced tissue fragmentation and/or hemostasis |
| US5413574A (en) * | 1992-09-04 | 1995-05-09 | Fugo; Richard J. | Method of radiosurgery of the eye |
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| CN211485591U (en) * | 2019-12-27 | 2020-09-15 | 亚美伟业(北京)医疗科技有限公司 | Radio frequency therapeutic instrument is dispeled to eye bag |
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