CN110811985A - Double-frequency torsional ultrasonic emulsification handle - Google Patents
Double-frequency torsional ultrasonic emulsification handle Download PDFInfo
- Publication number
- CN110811985A CN110811985A CN201911064118.XA CN201911064118A CN110811985A CN 110811985 A CN110811985 A CN 110811985A CN 201911064118 A CN201911064118 A CN 201911064118A CN 110811985 A CN110811985 A CN 110811985A
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- transducer
- frequency
- torsional
- piezoceramics
- ultrasonic
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- 238000004945 emulsification Methods 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims description 10
- 229920002379 silicone rubber Polymers 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 7
- 230000009977 dual effect Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 9
- 238000002604 ultrasonography Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000004393 prognosis Methods 0.000 abstract description 2
- 208000002177 Cataract Diseases 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
- A61F2009/00874—Vitreous
-
- 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
- A61F2009/00885—Methods or devices for eye surgery using laser for treating a particular disease
- A61F2009/00887—Cataract
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- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a double-frequency torsional ultrasonic emulsification handle.A cambered groove is arranged on the surface of an amplitude transformer of an energy transducer; the invention has the beneficial effects that: eight arc-shaped grooves with specific sizes are milled on the surface of the amplitude transformer of the traditional transducer, and the design has the advantages that: firstly, the ultrasonic effect of the torsional ultrasonic wave generated by the transducer along the direction of the diameter normal is far better than that of the traditional axial ultrasonic wave, so that the operation energy in the operation process can be reduced; secondly, the transducer can still generate axial ultrasound of a traditional ultrasonic transducer, and can carry out traditional ultrasonic emulsification; thirdly, the radial torsional ultrasound or the axial torsional ultrasound or the simultaneous generation of two ultrasonic waves of the transducer can be selected and used according to the condition of the patient; the energy and proportion of the two kinds of ultrasound can be controlled at any time. Fourthly, the torsional ultrasonic energy is small, the heating value is small, the ultra-breast effect is obvious, and the prognosis effect of the ultra-breast operation can be improved.
Description
Technical Field
The invention relates to the technical field of ophthalmic medical instruments, in particular to a double-frequency torsional ultrasonic emulsification handle.
Background
The ultrasonic ophthalmic emulsification therapeutic apparatus handle is used for anterior segment surgery of ophthalmic cataract lens nucleus fragmentation, perfusion and suction and ophthalmic surgery of vitreous excision and electrocoagulation; the cataract ultrasonic emulsification operation has become an important operation mode for treating cataract by the advantages of small incision, fast healing, small astigmatism, fast postoperative visual recovery, small operation damage and the like; the phacoemulsification instrument is an important auxiliary instrument for phacoemulsification operation and mainly comprises an ultrasonic generator and a phacoemulsification handle; the ultrasonic emulsification handle is a core component of the ultrasonic emulsification instrument, and the performance of the ultrasonic emulsification handle directly influences the effect of the operation; the ultrasonic emulsification handle mainly comprises an ultrasonic transducer horn and accessories thereof.
The existing ultrasonic emulsification handle is not produced at home as shown in figure 4, the ultrasonic emulsification handle at home has only one working frequency, the ultrasonic emulsification handle can only transmit ultrasonic along the axial direction of a transducer, the heating value is large, and the ultrasonic emulsification effect is poor.
Disclosure of Invention
The invention mainly solves the technical problem of providing a double-frequency torsional ultrasonic emulsification handle which can generate ultrasonic waves with two different frequencies, and has the advantages of small ultrasonic energy, small heat productivity and obvious super-emulsification effect.
In order to solve the problems, the invention provides a double-frequency torsional ultrasonic emulsification handle which comprises a nose cone, a transducer, piezoelectric ceramics, a piezoelectric ceramic fixing piece, a piezoelectric ceramic silicon rubber package, a stress rod and a cylindrical shell, wherein the nose cone is arranged on the outer side of the piezoelectric ceramic fixing piece; the energy converter is provided with an energy converter amplitude transformer; an arc-shaped groove is formed in the surface of the amplitude transformer of the energy transducer; the transducer dress is in the inside of cylinder shell, piezoceramics is at the back of transducer, the piezoceramics mounting is in piezoceramics's back, stress rod combines together with transducer, piezoceramics mounting, and the rear portion of stress rod stretches out at the rear end of cylinder shell, piezoceramics silicon rubber encapsulation encapsulates transducer, piezoceramics mounting, stress rod, and piezoceramics silicon rubber encapsulation in the cylinder shell, the nose awl dress is at the front end of cylinder shell.
Furthermore, the number of the arc-shaped grooves is eight.
Furthermore, the widths and the depths of the eight arc-shaped grooves are different and have specific angles.
Further, the transducer operates by generating a torsional ultrasonic wave in a direction normal to a radial direction of the transducer when an alternating current signal tuned to a radial frequency of the transducer is applied to the transducer, generating an ultrasonic wave in an axial direction of the transducer when an alternating current signal tuned to an axial frequency of the transducer is applied to the transducer, and generating an axial ultrasonic wave and a torsional ultrasonic wave simultaneously when the transducer is applied to both the alternating current signal tuned to the radial frequency and the alternating current signal tuned to the axial frequency.
Further, the frequency of the axial ultrasonic wave is between 38 and 42khz, and the frequency of the torsional ultrasonic wave is between 32 and 36 khz.
Further, the arc-shaped groove is milled out on the surface of the transducer.
The invention discloses a double-frequency torsional ultrasonic emulsification handle.A cambered groove is arranged on the surface of an amplitude transformer of an energy transducer; the invention has the beneficial effects that: eight arc-shaped grooves with specific sizes are milled on the surface of the amplitude transformer of the traditional transducer, and the design has the advantages that: firstly, the ultrasonic effect of the torsional ultrasonic wave generated by the transducer along the direction of the diameter normal is far better than that of the traditional axial ultrasonic wave, so that the operation energy in the operation process can be reduced; secondly, the transducer can still generate traditional ultrasound, namely axial ultrasound of the transducer, and can carry out traditional ultrasonic emulsification; thirdly, the radial torsional ultrasound or the axial torsional ultrasound or the simultaneous generation of two ultrasonic waves of the transducer can be selected and used according to the condition of the patient; the energy and proportion of the two kinds of ultrasound can be controlled at any time. Fourthly, the torsional ultrasonic energy is small, the heating value is small, the ultra-breast effect is obvious, and the prognosis effect of the ultra-breast operation can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is a schematic view of the cylindrical housing of fig. 1.
Fig. 3 is a schematic diagram of a transducer of the present invention.
FIG. 4 is an exploded view of a conventional phacoemulsification hand piece.
The objectives, features, and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, 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 some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 3, the dual-frequency torsional ultrasonic emulsification handle comprises a nose cone 1, a transducer 2, a piezoelectric ceramic 3, a piezoelectric ceramic fixing piece 4, a piezoelectric ceramic silicon rubber package 5, a stress rod 6 and a cylindrical shell 7; the transducer 2 is provided with a transducer amplitude transformer 21; an arc-shaped groove 211 is arranged on the surface of the transducer amplitude transformer 21; transducer 2 dress is in the inside of cylinder shell 7, piezoceramics 3 is at the back of transducer 2, piezoceramics mounting 4 is in piezoceramics 3's back, stress rod 6 combines together with transducer 2, piezoceramics 3, piezoceramics mounting 4, and stress rod 6's rear portion stretches out at the rear end of cylinder shell 7, piezoceramics silicon rubber encapsulation 5 encapsulates transducer 2, piezoceramics 3, piezoceramics mounting 4, stress rod 6, and piezoceramics silicon rubber encapsulation 5 is in cylinder shell 7, nose cone 1 dress is at the front end of cylinder shell 7.
Specifically speaking: the transducer 2 works, namely when the transducer 2 is electrified with an alternating current signal with frequency tuned to the radial frequency of the transducer, a torsional ultrasonic wave along the radial normal direction of the transducer 2 is generated, when the transducer 2 is electrified with an alternating current signal with frequency tuned to the axial frequency of the transducer, an ultrasonic wave in the axial direction of the transducer 2 is generated, and when the transducer 2 is electrified with both the alternating current signal with frequency tuned to the radial frequency and the alternating current signal with frequency tuned to the axial frequency, the transducer 2 simultaneously generates the axial ultrasonic wave and the torsional ultrasonic wave; the frequency of the axial ultrasonic wave is between 38 and 42khz, and the frequency of the torsional ultrasonic wave is between 32 and 36 khz.
Referring to fig. 1 to 3, the number of the arc-shaped grooves 211 is eight.
Referring to fig. 1 to 3, the eight arc-shaped slots 211 are different in width and depth and have specific angles.
Referring to fig. 1 to 3, the transducer 2 operates such that when an ac signal tuned to the radial frequency of the transducer 2 is applied to the transducer 2, a torsional ultrasonic wave is generated in the direction of the radial normal of the transducer 2, when an ac signal tuned to the axial frequency of the transducer 2 is applied to the transducer 2, an ultrasonic wave in the axial direction of the transducer 2 is generated, and when the transducer 2 is applied to both the ac signal tuned to the radial frequency and the ac signal tuned to the axial frequency, the transducer 2 generates an ultrasonic wave in the axial direction and a torsional ultrasonic wave.
Referring to fig. 1 to 3, the frequency of the axial ultrasonic wave is between 38 and 42khz, and the frequency of the torsional ultrasonic wave is between 32 and 36 khz.
Referring to fig. 1-3, the arcuate slot 211 is milled into the surface of the transducer 22.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (6)
1. A double-frequency torsional ultrasonic emulsification handle is characterized by comprising a nose cone (1), an energy converter (2), piezoelectric ceramics (3), a piezoelectric ceramic fixing piece (4), a piezoelectric ceramic silicon rubber package (5), a stress rod (6) and a cylindrical shell (7); the energy converter (2) is provided with an energy converter amplitude transformer (21); an arc-shaped groove (211) is arranged on the surface of the transducer amplitude transformer (21); transducer (2) dress is in the inside of cylinder shell (7), piezoceramics (3) are at the back of transducer (2), piezoceramics mounting (4) are at the back of piezoceramics (3), stress rod (6) and transducer (2), piezoceramics (3), piezoceramics mounting (4) combine together, and the rear portion of stress rod (6) stretches out at the rear end of cylinder shell (7), piezoceramics silicon rubber encapsulation (5) encapsulation transducer (2), piezoceramics (3), piezoceramics mounting (4), stress rod (6), and piezoceramics silicon rubber encapsulation (5) are in cylinder shell (7), nose cone (1) dress is at the front end of cylinder shell (7).
2. The dual frequency twist phacoemulsification handpiece of claim 1, wherein the number of the arc-shaped grooves (211) is eight.
3. The dual frequency twist phacoemulsification handpiece of claim 2, wherein the eight arcuate slots (211) are different in width and depth and have a specific angle.
4. The dual frequency torsional phacoemulsification handpiece of claim 3, wherein the transducer (2) is operated such that when the transducer (2) is energized with an alternating current signal tuned to the radial frequency of the transducer, a torsional ultrasonic wave is generated in a direction normal to the radial direction of the transducer (2), when the transducer (2) is energized with an alternating current signal tuned to the axial frequency of the transducer, an ultrasonic wave is generated in the axial direction of the transducer (2), and when the transducer (2) is energized with both the alternating current signal tuned to the radial frequency and the alternating current signal tuned to the axial frequency, the transducer (2) generates both the axial ultrasonic wave and the torsional ultrasonic wave.
5. The dual frequency torsional phacoemulsification handpiece of claim 4, wherein the frequency of the axial ultrasonic wave is between 38 and 42khz and the frequency of the torsional ultrasonic wave is between 32 and 36 khz.
6. The dual frequency torsional phacoemulsification handpiece of claim 1, wherein the arcuate slot (211) is milled out of the surface of the transducer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064118.XA CN110811985A (en) | 2019-11-04 | 2019-11-04 | Double-frequency torsional ultrasonic emulsification handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064118.XA CN110811985A (en) | 2019-11-04 | 2019-11-04 | Double-frequency torsional ultrasonic emulsification handle |
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| Publication Number | Publication Date |
|---|---|
| CN110811985A true CN110811985A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911064118.XA Pending CN110811985A (en) | 2019-11-04 | 2019-11-04 | Double-frequency torsional ultrasonic emulsification handle |
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| Country | Link |
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| CN (1) | CN110811985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557784A (en) * | 2020-07-15 | 2020-08-21 | 上海微创医疗器械（集团）有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086119A (en) * | 1992-10-27 | 1994-05-04 | 沈阳市大东区医疗器械研究所 | A kind of ultra-sonic operation device |
| CN2221942Y (en) * | 1995-06-08 | 1996-03-13 | 陈俊峰 | Ultrasonic wave vibration destroy device for bilogical histiocyte |
| CN101390785A (en) * | 2007-05-10 | 2009-03-25 | 爱尔康公司 | Method of operating an ultrasound handpiece |
| CN203513324U (en) * | 2013-08-15 | 2014-04-02 | 中国船舶重工集团公司第七一五研究所 | Directional planar array alga-removal instrument with wide ultrasonic broadband |
| CN205683119U (en) * | 2016-03-22 | 2016-11-16 | 广东固特超声股份有限公司 | Dual-frequency ultrasonic wave lithotripter |
-
2019
- 2019-11-04 CN CN201911064118.XA patent/CN110811985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1086119A (en) * | 1992-10-27 | 1994-05-04 | 沈阳市大东区医疗器械研究所 | A kind of ultra-sonic operation device |
| CN2221942Y (en) * | 1995-06-08 | 1996-03-13 | 陈俊峰 | Ultrasonic wave vibration destroy device for bilogical histiocyte |
| CN101390785A (en) * | 2007-05-10 | 2009-03-25 | 爱尔康公司 | Method of operating an ultrasound handpiece |
| CN203513324U (en) * | 2013-08-15 | 2014-04-02 | 中国船舶重工集团公司第七一五研究所 | Directional planar array alga-removal instrument with wide ultrasonic broadband |
| CN205683119U (en) * | 2016-03-22 | 2016-11-16 | 广东固特超声股份有限公司 | Dual-frequency ultrasonic wave lithotripter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557784A (en) * | 2020-07-15 | 2020-08-21 | 上海微创医疗器械（集团）有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
| CN111557784B (en) * | 2020-07-15 | 2020-11-13 | 微创视神医疗科技(上海)有限公司 | Ultrasonic vibrator, ultrasonic emulsification handle and ultrasonic emulsification system |
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| CB02 | Change of applicant information |
Address after: 518000 301, Building 4, Phase 1, Investment Promotion Smart City, Phoenix Community, Guangming District, Shenzhen, Guangdong Applicant after: Shenzhen High Vision Consumables Technology Co.,Ltd. Address before: Floor 3, No. 96 Ruyi Road, Longcheng Street, Longgang District, Shenzhen, Guangdong 518,000 Applicant before: SHENZHEN TAIJIN TIMES TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Application publication date: 20200221 |
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