CN104783866A - Ultrasonic knife bar assembly, ultrasonic knife thereof and ultrasonic knife control system - Google Patents
Ultrasonic knife bar assembly, ultrasonic knife thereof and ultrasonic knife control system Download PDFInfo
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- CN104783866A CN104783866A CN201510205727.8A CN201510205727A CN104783866A CN 104783866 A CN104783866 A CN 104783866A CN 201510205727 A CN201510205727 A CN 201510205727A CN 104783866 A CN104783866 A CN 104783866A
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- pressure
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- ultrasonic knife
- knife
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320072—Working tips with special features, e.g. extending parts
- A61B2017/320078—Tissue manipulating surface
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Mechanical Engineering (AREA)
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- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an ultrasonic knife bar assembly, an ultrasonic knife thereof and an ultrasonic knife control system. The ultrasonic knife control system comprises an ultrasonic knife control host, a prompt device, a force transferring mechanism, an ultrasonic actuating rod and a pressure transferring assembly, wherein a first half shear head is connected to the force transferring mechanism; the ultrasonic actuating rod is provided with a second half shear head; the pressure transferring assembly is used for receiving external shifting pressure and applying the external shifting pressure to the force transferring mechanism; a pressure detecting element is arranged between the pressure transferring assembly and the force transferring mechanism; the pressure detecting element and the prompt device are in communication connection with the ultrasonic knife control host; the prompt device is arranged on the ultrasonic knife control host. By adopting the ultrasonic knife bar assembly, the ultrasonic knife thereof and the ultrasonic knife control system, a doctor can know the pressure at jaws of a shear in real time; when the pressure reaches an idle pressure value, the doctor can be prompted to loosen the jaws in time; abrasion to a plastic spacer due to continuous cutting is avoided, and the service life of an instrument is prolonged; compared with the traditional visual observation method, whether tissue is cut completely can be judged more accurately; meanwhile, vigor of the doctor is released, and the burden of the doctor is relieved.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly a kind of ultrasound knife knife bar assembly and ultrasound knife thereof and ultrasound knife control system.
Background technology
Ultrasound knife is the ultrasound wave utilizing ultrasonic principle can cut inside of human body tissue as true cutter.Ultrasound knife is primarily of compositions such as main frame, driving handle and line, cutter head and foot switchs; Its operation principle uses foot-operated or hand-held cutter head activation work, electric energy under now main frame output vibrational system resonant frequency is to driving handle, by driving handle converting electric energy be mechanical energy and output to cutter head, cutter head amplifies further this vibration and carries out mechanical vibration, water vapor in histiocyte, albumen hydrogen bond rupture, cell disruption, tissue are cut open or blood coagulation, thus reach the object cutting and organizing and stop blooding.
In the application of ultrasound knife, the high-frequent reciprocating motion depending on cutter head produces the effect of hemostasis and cutting, and be the key factor affecting its cutting speed and haemostatic effect on jaw inner tissue applied pressure, and the wherein side forming jaw is plastic material, if still continue after organizing cutting to complete to carry out cutting, can wear and tear to this plastic spacer, wear up to a certain degree, by change jaw gap gradually, until pad depleted and make apparatus cannot continue use.Existing ultrasound knife, doctor must concentrate one's energy to observe the cutting situation of cutter head in use always, and doctor can not be taken sb's mind off sth, and labor intensity is large; And by the observation of naked eyes, can accurately not judge to organize whether cut, rely on micro-judgment completely, easily there is long-time unloaded situation, cause tool bit abrasion serious, reduce service life.
Summary of the invention
The deficiencies in the prior art in view of the above, the object of invention is to provide a kind of ultrasound knife knife bar assembly and ultrasound knife thereof and ultrasound knife control system, pressure or pulling force size in cutter head work process can be detected in real time, for doctor accurately judges to organize cutting situation to provide foundation, reduce doctor's labor intensity.
For achieving the above object and other relevant objects, the invention provides a kind of ultrasound knife knife bar assembly, comprise the force transmission mechanism that is connected with the first half haircuts and be provided with the ul-trasonic irradiation bar of the second half haircuts, also comprise and stir pressure and the pressure transmission assembly putting on force transmission mechanism for accepting outside, between described pressure transmission assembly and force transmission mechanism, be provided with pressure detecting element.
Adopt said structure, by when the trip gear applying power by ultrasound knife is on pressure transmission assembly, pressure is delivered on force transmission mechanism and pressure detecting element, in ultrasound knife work process, along with seesawing of ul-trasonic irradiation bar, force value can constantly change, the real-time detected pressures value of pressure detecting element, and feed back to control system, so that doctor carries out the judgement of cutting situation, and carry out corresponding control operation, avoid the long wearing and tearing causing apparatus idle time, the attention of doctor is discharged simultaneously, and the cutting situation of jaw inner tissue is paid close attention to without the moment.Described pressure detecting element can be pressure transducer, pulling force sensor or foil gauge etc.
As preferably: described force transmission mechanism comprises inner sleeve and is connected to the union joint at inner sleeve rear portion, and described inner sleeve is enclosed within outside ul-trasonic irradiation bar, and described pressure detecting element is pressed on union joint by pressure transmission assembly.
As preferably: the brace table that described union joint comprises annular and multiple first claws be connected on brace table, first claw front end is provided with dop, described inner sleeve is provided with the hole clipping corresponding with dop, and described dop stretches in hole clipping, by fixing between inner sleeve and union joint; Or hole clipping is set in the first claw front end, inner sleeve arranges dop and coordinates with hole clipping; Described pressure detecting element is arranged on brace table.
As preferably: described pressure transmission assembly comprises ring flange and elastic supporting mechanism, and pressure detecting element is pressed on brace table by described ring flange, and described elastic supporting mechanism is positioned at ring flange front, and is pressed on ring flange.
As preferably: described ring flange is positioned at brace table rear, this ring flange is provided with vertically multiple second claw, this the second claw front end is provided with the boss of inclination, and described second claw is from brace table inner ring forward through brace table, and described boss is pressed on pressure detecting element.
As preferably: also comprise limit casing, described limit casing is solidly set on outside union joint, and described elastic supporting mechanism is enclosed within outside limit casing, limit casing front end outer wall is provided with the locating part that restriction elastic supporting mechanism skids off.
As preferably: described elastic supporting mechanism comprises and setting gradually and first stop part of kink outside limit casing, the first spring, the second stop part, the second spring, described second spring be against on ring flange, described first stop part is against on locating part.
Being cushioned pulling pressure by two-stage spring buffer structure, avoiding cutter head rigid stress and damaging.
As preferably: described brace table and ring flange are provided with the via hole that the line for pressure detecting element passes, also comprise the trocar sheath be set on inner sleeve and the knob body be enclosed within trocar sheath.
Invention also provides a kind of ultrasound knife, comprise housing, be arranged on the trip gear on housing, also wrap described ultrasound knife knife bar assembly, described trip gear acts on pressure transmission assembly.Also comprise the mechanisms such as transducer, do not repeat them here.
On this basis, the present invention also provides a kind of ultrasound knife control system, comprise ultrasound knife main control system, suggestion device and described ultrasound knife, described pressure detecting element and suggestion device and ultrasound knife main control system communicate to connect, and described suggestion device is arranged on ultrasound knife main control system or on ultrasound knife.
By pressure detecting element, the pressure between jaw is detected in real time, and a force value corresponding with zero load can be preset in ultrasound knife main control system, when pressure reaches unloaded force value, represent that organizing between jaw is completely severed, then continuation cutting does not then need; Ultrasound knife main control system then exports control signal and controls suggestion device sounding or stop sounding, reaches the object of reminding doctor to arrive Light Condition; Can continue to export energy, doctor can unclamp jaw according to the unlatching of this sound or stopping again.And in cutting process, doctor can have more energy to pay close attention to other situations of operative site, and pays close attention to the cutting situation of jaw inner tissue without the moment, and described suggestion device can be sounding component or light-emitting component.
As mentioned above, the invention has the beneficial effects as follows: be convenient to the pressure condition that doctor understands jaw in real time, when pressure reaches unloaded force value, can remind doctor, enable doctor unclamp jaw timely; Avoid after organizing cutting to complete and still continue to carry out cutting wearing and tearing to plastic spacer, until pad is depleted and make apparatus cannot continue situation about using, makes energy output more accurate, extend the instrumentation life-span; The mode detected by an unaided eye relative to tradition judge to organize whether cut more accurate; Discharged by the energy of doctor, in cutting process, doctor can have more energy to pay close attention to other situations of operative site, and pays close attention to the cutting situation of jaw inner tissue without the moment, alleviates doctor's burden, reduces the labor intensity of doctor simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the explosive view of embodiment of the present invention section components;
Fig. 3 is the structural representation of embodiment of the present invention ultrasound knife;
Fig. 4 is the schematic diagram of embodiment of the present invention ultrasound knife control system.
Piece mark explanation
1 ul-trasonic irradiation bar
11 the second half haircuts
21 inner sleeves
22 brace tables
23 first claws
24 dops
25 hole clippings
26 projections
27 via holes
28 the first half haircuts
31 ring flanges
32 second claws
33 boss
34 via holes
41 first stop parts
42 first springs
43 second stop parts
44 card the second springs
51 limit casings
52 locating parts
53 fixing holes
6 trocar sheaths
7 pressure detecting elements
8 knob bodies
9 bearing pins
101 trip gears
102 knife bar assemblies
103 housings
104 ultrasound knife main control systems
Detailed description of the invention
By particular specific embodiment, working of an invention mode is described below, person skilled in the art scholar the content disclosed by this description can understand other advantages and effect of invention easily.It should be noted that the front and back position mentioned by the present invention, is take operating habit as reference, and jaw position is front, and the position that operator grips is rear.
Embodiment 1
As depicted in figs. 1 and 2, the invention provides a kind of ultrasound knife knife bar assembly, comprise the force transmission mechanism that is connected with the first half haircuts 28 and be provided with the ul-trasonic irradiation bar 1 of the second half haircuts 11, the first half haircuts 28 and the second half haircuts 11 coordinate, form the jaw of cutter head, also comprise and stir pressure and the pressure transmission assembly putting on force transmission mechanism for accepting outside, between pressure transmission assembly and force transmission mechanism, be provided with pressure detecting element 7.
In this example, force transmission mechanism comprises inner sleeve 21 and is connected to the union joint at inner sleeve 21 rear portion, inner sleeve 21 is enclosed within outside ul-trasonic irradiation bar 1, inner sleeve 21 overcoat has trocar sheath 6, is provided with knob body 8 outside trocar sheath 6, and same bearing pin 9 passes perpendicularly through trocar sheath 6, inner sleeve 21 and ul-trasonic irradiation bar 1; Union joint overcoat limited location sleeve pipe 51, limit casing 51 sidewall offers fixing hole 53, brace table 22 outer wall is provided with it corresponding wedge shaped projection 26, by coordinating of projection 26 and fixing hole 53, limit casing 51 and union joint is fixed together.Pressure detecting element 7 is pressed on union joint by pressure transmission assembly, the brace table 22 that union joint comprises annular and multiple first claws 23 be connected on brace table 22, first claw 23 front end is provided with dop 24, inner sleeve 21 is provided with the hole clipping 25 corresponding with dop 24, dop 24 stretches in hole clipping 25, and by fixing between inner sleeve 21 and union joint, the position of brace table 22 setting pressure detecting element 7 is hierarchic structure, pressure detecting element 7 is arranged on the step of brace table 22, is convenient to fix.
Pressure transmission assembly comprises ring flange 31 and elastic supporting mechanism, and pressure detecting element 7 is pressed on brace table 22 by ring flange 31, and elastic supporting mechanism is enclosed within outside limit casing 51, is positioned at ring flange 31 front, and is pressed on ring flange 31.Limit casing 51 front end outer wall is provided with the locating part 52 that restriction elastic supporting mechanism skids off.During use, trip gear stretches into the position between elastic supporting mechanism and locating part 52, stirs elastic supporting mechanism and is pressed on pressure detecting element 7, by pressure or pull transfer to force transmission mechanism, and pressure detecting element 7 detected pressures value simultaneously.The effect of elastic supporting mechanism forms buffering, avoids cutter head rigid stress and damage.
In this example, ring flange 31 is positioned at brace table 22 rear, this ring flange 31 is provided with forward vertically multiple second claw 32, this the second claw 32 front end is provided with the boss 33 of inclination, the lateral surface of boss 33 is inclined plane, to allow brace table 22 inner ring when assembling, second claw 32 passes brace table 22 forward from brace table 22 inner ring, boss 33 is pressed on pressure detecting element 7, this structure can fix pressure detecting element 7 preferably, and ring flange 31 pairs of elastic supporting mechanisms have good carrying effect simultaneously.In other embodiments, ring flange also can be located at brace table front, is clipped in the middle by pressure detecting element as long as can meet, pressurized or detected pressures/pulling force by pulling force.
Elastic supporting mechanism comprises and to set gradually and first stop part 41, first spring 42, second stop part 43, second spring 44 of kink outside limit casing 51, second spring 44 be against on ring flange 31, first stop part 41 is against on locating part 52, and and between locating part 52, there is gap, formed and stir groove for what hold trip gear.
Brace table 22 and ring flange 31 are provided with the via hole 27,34 supplying the line of pressure detecting element 7 to pass, the line of pressure detecting element 7 is drawn from via hole 27,34, and pressure detecting element 7 can be the provided as one homogeneous element such as pressure transducer, pulling force sensor, foil gauge.
As shown in Figure 3, invention also provides a kind of ultrasound knife, comprise housing 103, be arranged on the trip gear 101 on housing, the above-mentioned ultrasound knife knife bar assembly 102 also wrapped, trip gear 101 is hinged on housing 103, trip gear 101 one end acts on pressure transmission assembly, namely be arranged in and stir groove, the other end is used for operator and pulls, and also comprise the mechanisms such as the transducer be connected with ul-trasonic irradiation bar 1, these mechanisms all belong to prior art, clearly can express by describing, therefore omitting detailed construction accompanying drawing in the present invention.
As shown in Figure 4, on this basis, the present invention also provides a kind of ultrasound knife control system, comprise ultrasound knife main control system 104, suggestion device and above-mentioned ultrasound knife, pressure detecting element and suggestion device and ultrasound knife main control system 104 communicate to connect, and suggestion device is arranged on ultrasound knife main control system 104 or on ultrasound knife.
Principle of the present invention and effect are: detected in real time the pressure between jaw by pressure detecting element, and a force value corresponding with zero load can be preset in ultrasound knife main control system, when pressure reaches unloaded force value, represent that organizing between jaw is completely severed, then do not need to continue cutting again; Ultrasound knife main control system then exports control signal and controls suggestion device sounding or stop sounding, reaches the object of reminding doctor to arrive Light Condition; Can continue to export energy, doctor can unclamp jaw according to the unlatching of this sound or stopping again.And in cutting process, doctor can have more energy to pay close attention to other situations of operative site, and pays close attention to the cutting situation of jaw inner tissue without the moment, suggestion device can be sounding component or light-emitting component.
Any person skilled in the art scholar all under the spirit and category of invention, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that invention discloses, must be contained by the claim of inventing.
Claims (10)
1. a ultrasound knife knife bar assembly, comprise the force transmission mechanism that is connected with the first half haircuts and be provided with the ul-trasonic irradiation bar of the second half haircuts, it is characterized in that: also comprise and stir pressure and the pressure transmission assembly putting on force transmission mechanism for accepting outside, between described pressure transmission assembly and force transmission mechanism, be provided with pressure detecting element.
2. ultrasound knife knife bar assembly according to claim 1, it is characterized in that: described force transmission mechanism comprises inner sleeve and is connected to the union joint at inner sleeve rear portion, described inner sleeve is enclosed within outside ul-trasonic irradiation bar, and described pressure detecting element is pressed on union joint by pressure transmission assembly.
3. ultrasound knife knife bar assembly according to claim 2, it is characterized in that: the brace table that described union joint comprises annular and multiple first claws be connected on brace table, first claw front end is provided with dop, described inner sleeve is provided with the hole clipping corresponding with dop, described dop stretches in hole clipping, by fixing between inner sleeve and union joint; Or hole clipping is set in the first claw front end, inner sleeve arranges dop and coordinates with hole clipping; Described pressure detecting element is arranged on brace table.
4. ultrasound knife knife bar assembly according to claim 3, it is characterized in that: described pressure transmission assembly comprises ring flange and elastic supporting mechanism, pressure detecting element is pressed on brace table by described ring flange, and described elastic supporting mechanism is positioned at ring flange front, and is pressed on ring flange.
5. ultrasound knife knife bar assembly according to claim 4, it is characterized in that: described ring flange is positioned at brace table rear, this ring flange is provided with vertically multiple second claw, this the second claw front end is provided with the boss of inclination, described second claw is from brace table inner ring forward through brace table, and described boss is pressed on pressure detecting element.
6. the ultrasound knife knife bar assembly according to claim 4 or 5, it is characterized in that: also comprise limit casing, described limit casing is solidly set on outside union joint, and described elastic supporting mechanism is enclosed within outside limit casing, and limit casing front end outer wall is provided with the locating part that restriction elastic supporting mechanism skids off.
7. ultrasound knife knife bar assembly according to claim 6, it is characterized in that: described elastic supporting mechanism comprises and to set gradually and first stop part of kink outside limit casing, the first spring, the second stop part, the second spring, described second spring be against on ring flange, described first stop part is against on locating part.
8. ultrasound knife knife bar assembly according to claim 7, it is characterized in that: described brace table and ring flange are provided with the via hole supplying the line of pressure detecting element to pass, also comprise the trocar sheath be set on inner sleeve and the knob body be enclosed within trocar sheath.
9. a ultrasound knife, comprises housing, is arranged on the trip gear on housing, it is characterized in that: also comprise the ultrasound knife knife bar assembly described in claim 1 to 8 any one, described trip gear acts on pressure transmission assembly.
10. a ultrasound knife control system, it is characterized in that: comprise ultrasound knife main control system, suggestion device and ultrasound knife according to claim 9, described pressure detecting element and suggestion device and ultrasound knife main control system communicate to connect, and described suggestion device is arranged on ultrasound knife main control system or on ultrasound knife.
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| CN201510205727.8A CN104783866B (en) | 2015-04-24 | 2015-04-24 | Ultrasound knife knife bar component and its ultrasound knife and ultrasound knife control system |
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|---|---|---|---|
| CN201510205727.8A CN104783866B (en) | 2015-04-24 | 2015-04-24 | Ultrasound knife knife bar component and its ultrasound knife and ultrasound knife control system |
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| CN104783866A true CN104783866A (en) | 2015-07-22 |
| CN104783866B CN104783866B (en) | 2017-07-04 |
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Cited By (11)
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|---|---|---|---|---|
| CN105406409A (en) * | 2015-12-16 | 2016-03-16 | 合肥工业大学 | Wire stripping pliers having adjustable wire stripping diameter |
| CN106214245A (en) * | 2016-07-14 | 2016-12-14 | 安隽医疗科技(南京)有限公司 | A kind of ultrasound knife system |
| CN106901805A (en) * | 2015-12-22 | 2017-06-30 | 无锡祥生医学影像有限责任公司 | The power limit structure of ultrasound knife transducer module |
| CN107441641A (en) * | 2017-08-11 | 2017-12-08 | 北京水木天蓬医疗技术有限公司 | A kind of protection device for ultrasound knife |
| CN108348276A (en) * | 2015-10-30 | 2018-07-31 | 伊西康有限责任公司 | Ultrasonic surgical instrument clamping limb with nearside node pad |
| CN110633543A (en) * | 2019-09-25 | 2019-12-31 | 哈尔滨优脉雷声科技有限责任公司 | Ultrasonic knife bar structure determination method based on sound ray transmission theory and knife bar structure |
| CN110823550A (en) * | 2019-12-11 | 2020-02-21 | 湖南瀚德微创医疗科技有限公司 | Ultrasonic scalpel fatigue test system |
| CN112089479A (en) * | 2020-10-20 | 2020-12-18 | 重庆迈科唯医疗科技有限公司 | Shearing head and ultrasonic knife |
| CN112268819A (en) * | 2020-10-13 | 2021-01-26 | 常州安康医疗器械有限公司 | Tool bit life testing device of ultrasonic knife |
| CN112858067A (en) * | 2020-12-25 | 2021-05-28 | 湖南瀚德微创医疗科技有限公司 | Experiment frock of supersound sword gasket wear resistance evaluation and test |
| WO2022218422A1 (en) * | 2021-04-16 | 2022-10-20 | 上海逸思医疗科技股份有限公司 | Ultrasonic surgical instrument and processing and assembling method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108348276A (en) * | 2015-10-30 | 2018-07-31 | 伊西康有限责任公司 | Ultrasonic surgical instrument clamping limb with nearside node pad |
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| CN110633543A (en) * | 2019-09-25 | 2019-12-31 | 哈尔滨优脉雷声科技有限责任公司 | Ultrasonic knife bar structure determination method based on sound ray transmission theory and knife bar structure |
| CN110633543B (en) * | 2019-09-25 | 2023-01-13 | 哈尔滨优脉雷声科技有限责任公司 | Ultrasonic knife bar structure determination method based on sound ray transmission theory and knife bar structure |
| CN110823550A (en) * | 2019-12-11 | 2020-02-21 | 湖南瀚德微创医疗科技有限公司 | Ultrasonic scalpel fatigue test system |
| CN112268819A (en) * | 2020-10-13 | 2021-01-26 | 常州安康医疗器械有限公司 | Tool bit life testing device of ultrasonic knife |
| CN112089479A (en) * | 2020-10-20 | 2020-12-18 | 重庆迈科唯医疗科技有限公司 | Shearing head and ultrasonic knife |
| CN112858067A (en) * | 2020-12-25 | 2021-05-28 | 湖南瀚德微创医疗科技有限公司 | Experiment frock of supersound sword gasket wear resistance evaluation and test |
| WO2022218422A1 (en) * | 2021-04-16 | 2022-10-20 | 上海逸思医疗科技股份有限公司 | Ultrasonic surgical instrument and processing and assembling method |
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| CN104783866B (en) | 2017-07-04 |
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