CN1039780C - Supersonic operation instrument - Google Patents
Supersonic operation instrument Download PDFInfo
- Publication number
- CN1039780C CN1039780C CN96101721A CN96101721A CN1039780C CN 1039780 C CN1039780 C CN 1039780C CN 96101721 A CN96101721 A CN 96101721A CN 96101721 A CN96101721 A CN 96101721A CN 1039780 C CN1039780 C CN 1039780C
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- Prior art keywords
- handle
- cutter
- control
- circuit
- signal
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- Expired - Fee Related
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- 238000011010 flushing procedure Methods 0.000 claims abstract description 5
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 10
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 238000001356 surgical procedure Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000001131 transforming effect Effects 0.000 abstract 2
- 230000023597 hemostasis Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000001519 tissue Anatomy 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 210000004872 soft tissue Anatomy 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000025 haemostatic effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 210000001835 viscera Anatomy 0.000 description 2
- 241000238008 Cerithidea rhizophorarum Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001537 neural effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The present invention relates to an ultrasonic surgical instrument which is composed of a handle and a main machine, wherein the handle comprises a cutter, an amplitude transforming rod, a grade changing device, a flushing pipe, a suction pipe, a cable, etc. Ultrasonic waves are transferred to various surgical cutters by an energy converter and the amplitude transforming rod and act on biotic tissues. The main machine is the electric part of the ultrasonic surgical instrument and comprises an ultrasonicator, a power amplifier, a manual and foot brake control system and a dynamic fault diagnosis and automatic cut-off system. Under microcomputer control, ultrasonic pulses of small signals are generated from a frequency generator and are sent to the handle after being magnified. The surgical instrument has the advantages of selective break, little damage, high precision, hemostasis, etc.
Description
The present invention relates to a kind of ultra-sonic surgical aspirator, belong to technical field of medical instruments.
Surgical operation is the important means of clinical treatment.Along with the continuous developing in this field, the development of surgical knife technology is maked rapid progress.Before technology such as laser, electronics are applied to surgical field, the long-term dominate of machinery scalpel, its volume is less, cut sharp, but shortcoming is arranged also, as can not being used for special surgical operation, and amount of bleeding is bigger or the like during operation, these drawbacks limit the range of application of mechanical scalpel.Along with laser, development of electronic technology, polytype surgical knifes such as high frequency electric knife, laser scalpel, microwave coagulation treatment and argon cutter have successively appearred, they have compared significantly haemostatic effect with the traditional mechanical cutter, clinical application range is expansion greatly also, as excision of part internal organs or the like.Wherein the structure of high frequency electric knife as shown in Figure 1.Its operation principle is: high frequency pulse generator produces the high frequency spike, this spike is a low-voltage, big current signal, the process cable is delivered to the main electrode on the handle, human body soft tissue cuts in the local heat effect that the high-frequency impulse that utilizes main electrode to send produces, during work, auxiliary electrode also contacts with human body surface.High frequency electric knife has significantly haemostatic effect, but follows the burning of soft tissue, and has pungent abnormal smells from the patient to produce, recovery behind the incision surgery is also slower, and the high frequency electric knife cutting speed is slower in addition, can only cut soft tissue, to harder tissue, then can not cut as cartilage, skull, femur etc.Chinese patent 92109992.4 discloses " a kind of ultra-sonic operation device ", and this device is used for the attraction of internal organs, and its operation principle is to add supersonic vibration on negative pressure suction device, after by ultransonic energy pathological tissues being smashed, absorbs.The shortcoming of this device is: 1, function singleness, each main frame can only be equipped with the cutter of a kind of function (being the vacuum suction function); 2, transducer adopts the prefastened device of screw-type, is used to produce the required prestressing force of piezoelectric ceramics, and the screw-type device is not easy to make pottery stressed evenly, and the prestressing force size also is not easy to adjust; 3, control section is not realized automatization.
The objective of the invention is to design a kind of ultra-sonic surgical aspirator, improve the structure of existing Ultrasound Instrument, operating process is realized control automatically, and on same main frame, be equipped with five kinds of different cutters, make it to be applicable to general outer, orthopaedics, neurosurgery and department of obstetrics and gynecology etc.In surgical operation, the characteristics of utilizing ultrasound wave in elastic fluid, to propagate, on special operating theater instruments, add supersonic vibration, make ultrasound wave act on biological tissue by surgical knife tool, mainly be by the powerful acceleration of ultrasonic vibration generation and the effect of cavitation effect, cut or cracked biological tissue.
The ultra-sonic surgical aspirator of the present invention's design is made up of handle and main frame two parts.Handle is made up of cutter, horn, transducer, syringe pipe, draft tube and cable.Handle joins by cable and main frame.Transducer is a core structure, and the centre accompanies piezoelectric ceramics and is contained in together in the prestressing force sleeve, and piezoelectric ceramics joins by contact conductor and handle cable.Transducer is connected with horn by screw.Cutter is bonded in the horn end.Syringe pipe and draft tube are separately fixed on the handle casing, and its end is mutually neat with cutter.Main frame is that its end is mutually neat with cutter.Main frame is the supersonic source and the control section of handle, is made up of ultrasonic generation circuit, power amplification circuit, handle control circuit.Ultrasonic generation circuit wherein comprises D/A modular converter U
4, control D/A module produces the single-chip microcomputer U of analog voltage signal
1, voltage signal is carried out the operational amplifier U that computing is amplified
5, U
6And U
7, voltage-frequency translation module U
8And latch U
2, expansion sheet external memory module U
3Power amplification circuit wherein comprises the transistor T that the small-signal ultrasound wave is encouraged amplification
1, transistor T that the signal secondary is amplified
2, to signal be coupled the coupling transformer TRAN of transformation, the transistor T of constant current is provided for the drive(r) stage power transistor
3Handle control circuit wherein comprises respectively the control flushing, attracts, manually, automatically, the button S of cut-out, backpedalling brake
1-S
6, be used for the NAND gate IC that multichannel is selected
1: A, IC
1: B, IC
2: A and IC
2: B, be used for d type flip flop IC to the control signal shaping of selecting
3: A and IC
3: B and IC
4: A, IC
4: B, be used to drive the drive circuit IC of relay
5: A, IC
5: B, IC
5: C and IC
5: D, three utmost point amplifier tube DG
1, DG
2And DG
3And the relay J that is used to carry out control action
1, J
2And J
3
The present invention has the cracked blood vessel of protecting of advantage, particularly selectivity of uniquenesses such as selectivity is cracked, damage is little, degree of accuracy is high, can stop blooding with neural injury-free.Can be applied to little in brain, the external coat delicate procedure of power, the excision of internal tumor, be attracted to powerful saw bone, bore osseous surgery or the like, the range of application of ultrasonic surgical blade has surpassed aforesaid surgical knife.
Description of drawings:
Fig. 1 is the functional-block diagram of prior art high frequency electric knife.
Fig. 2 is a ultra-sonic surgical aspirator functional-block diagram of the present invention.
Fig. 3 is the structural representation of handle in the ultra-sonic surgical aspirator.
Fig. 4-1 is to Fig. 4-the 5th, five of cutter kinds of different structure figure in the handle.
Fig. 5 is a ultrasonic generation circuit (1).
Fig. 6 is that ultrasonic generation circuit is chiseled (2).
Fig. 7 is a power amplification circuit.
Fig. 8 is the handle control circuit.
Below in conjunction with accompanying drawing, introduce content of the present invention in detail.Fig. 2 is the structural representation of handle in the surgery apparatus of the present invention.Among the figure, the 1st, cutter, the 2nd, horn, the 3rd, screw, the 4th, the prestressing force sleeve, the 5th, piezoelectric ceramics, the 6th, transducer, the 7th, contact conductor, the 8th, cable, the 9th, handle casing, the 10th, suction outlet, the 11st, pour mouth, the 12nd, horn shell, the 13rd, draft tube, the 14th, syringe pipe.
The work process of handle can be sketched and be:
Transducer utilizes the piezoelectric effect of piezoelectric ceramics with the ultra sonic machinery vibration of electrical signal conversion for same frequency, after horn, supersonic operation cutter amplify, gives off the ultrasound wave of certain power, is used for the human body operation.
Provided the structure chart of handle as accompanying drawing 3.Wherein the quality of piezoelectric transducer quality directly has influence on whole instrument operating technology index quality.Piezoelectric transducer 6 adopts the piezoelectric ceramics sandwich type structural, and the centre is a piezoelectric ceramics 5, and whole energy transducer adopts 4 fine settings of prestressing force sleeve to be added in the piezoelectric ceramics heap and goes up prestressed size, and the Yanzhong axle is to having ventilating heat dissipating hole, and this hole is also as electrode lead hole.
The amplitude of transducer output is less usually, is generally tens microns, produces bigger amplitude in order to make the ultrasonic radiation head, also for the power that makes transducer output is passed to radiation head effectively, realizes acoustic matching simultaneously, generally adds horn between these two.Employing two-stage luffing as accompanying drawing 3 horn 2 amplifies, the structure that adopts screw 3 to be close in the middle of horn and the transducer.Horn is also installing sleeve 12 outward.
Be fixed with draft tube 13 and pour pipe 14 on handle casing 9, this two pipe has suction outlet 10 respectively and pours mouth 11, is connected on the flushing aspirator.
At the front end of horn surgical knife tool 1 is housed as accompanying drawing 3.
The ultrasonic vibration system of being made up of transducer, horn and supersonic operation cutter produces peak swing at the end of supersonic operation cutter, gives off the ultrasound wave of certain power.According to different purposes, the end of supersonic operation cutter can be processed into different shape, as saw bone zigzag, the cutting edge shape that cuts and organizes usefulness, the cracked tumor used use cylindric or the like.Difform supersonic operation cutter, the flow direction difference of the sound miniflow that gives off, the effect of generation is also different, can satisfy multiple needs.
To Fig. 4-5, provided the structure chart of five kinds of surgical knife tools as accompanying drawing 4-1, be followed successively by cutting knife, saw cutter respectively, clean cutter, attract head, puncturing lever.
Ultra-sonic surgical aspirator of the present invention, its supersonic source and handle control section mainly comprise:
Ultra-sonic surgical aspirator of the present invention is mainly by two parts, i.e. main frame, handle.Total theory diagram is seen accompanying drawing 2.
Introduce respectively below:
(1) main frame
Main frame is the supersonic source and the control section of ultra-sonic surgical aspirator, mainly comprises 1. ultrasonic generation circuit; 2. power amplification circuit; 3. manually and the backpedalling brake control circuit; 4. dynamic fault diagnosis and automatic shutdown circuit.
The work process of host machine part can be sketched and be:
Under microcomputer control, ultrasonic generator produces the ultrasonic pulse of small-signal, after high power amplifier amplifies, gives handle.
Carry out division with regard to each several part below.
1. ultrasonic generation circuit:
Therefore the mechanical quality factor of piezoelectric transducer (Q-value) is higher, needs to adopt high-accuracy voltage-frequency translation module, produces high stability, high accuracy, supersonic source that output spectrum purity is high.
The circuit theory of this part is seen Fig. 5 and Fig. 6: one-chip computer module 8098 (U
1), its peripheral circuit has latch 74ALS373 (U
2), expansion sheet external memory module 764 (U
3) etc., one-chip computer module 8098 control D/A modular converter DAC1210 and operational amplifier OP07 (U
7) after the amplification, send high-accuracy voltage-frequency translation module LM314 (U
8) the generation ultrasonic signal.
2, power amplification circuit:
As Fig. 7, this power amplification circuit adopts two-stage: drive(r) stage and amplifier stage, be furnished with constant-current source circuit and holding circuit simultaneously.Amplifier stage adopts the category-A power amplifier.
The small-signal ultrasound wave of sending here from ultrasonic generator, earlier through blasting through power transistor B940 (T
1) amplify, advance again toward amplifier stage power transistor 3DA810 (T
2) the secondary amplification, become the high-power ultrasonics signal, by coupling transformer TRAN output, the high-power ultrasonics signal is added to (in handle) on the piezoelectric transducer at last.Constant-current source circuit transistor B507 (T
3) be drive(r) stage power transistor B904 (T
1) constant current is provided, make the power amplification working stability.
3, manual and backpedalling brake control system:
For the ease of operation, adopt the control that microcomputer has been realized manually and backpedalling brake is opened and turn-offed power amplifier, thus the duty of control instrument.
" IRRIGA-TION " in Fig. 8 electrical schematic diagram seen in flushing control
Attract to control " SUCTION " that sees in Fig. 8 electrical schematic diagram
Manually " MANU " in Fig. 8 electrical schematic diagram seen in control
Automatically " AUTO " in Fig. 8 electrical schematic diagram seen in control
" FOOTBREAK " in Fig. 8 electrical schematic diagram seen in backpedalling brake control
Automatically cut off and control " MANU " that sees in Fig. 8 electrical schematic diagram
4, dynamic fault diagnosis and automatic cut-out system:
When Instrument working state is unusual, as the handle electric leakage, the voltage that power amplifier output is too high, during power supply output dash current, microcomputer can be discerned abnormal failure automatically, and cuts off the electricity supply immediately to guarantee the safety of human body and instrument.
Automatically cut off and control " the AUTO BREAK " that sees in Fig. 8 schematic diagram
Shown in Fig. 8 schematic diagram, the six press keys S in above two parts
1-S
6All by NAND gate 74LS21, d type flip flop 74LS74, drive circuit 7404, after audion 2N5551 amplified, the folding of control relay was to realize various controls.
Claims (2)
1. ultra-sonic surgical aspirator, this surgery apparatus is made up of handle and main frame two parts; Described handle is made up of cutter, horn, transducer, syringe pipe, draft tube and cable, handle joins by cable and main frame, it is characterized in that wherein said transducer is a core structure, the centre accompanies piezoelectric ceramics, and is contained in together in the prestressing force sleeve, and piezoelectric ceramics joins by contact conductor and handle cable, transducer is connected with horn by screw, cutter is bonded in the horn end, and syringe pipe and draft tube are separately fixed on the handle casing, and its end is mutually neat with cutter; Described main frame is the supersonic source and the control section of handle, is made up of ultrasonic generation circuit, power amplification circuit, handle control circuit, and ultrasonic generation circuit wherein comprises D/A modular converter U
4, control D/A module produces the single-chip microcomputer U of analog voltage signal
1, voltage signal is carried out the operational amplifier U that computing is amplified
5, U
6And U
7, voltage-frequency translation module U
8And latch U
2, expansion sheet external memory module U
3, power amplification circuit wherein comprises the transistor T that the small-signal ultrasound wave is encouraged amplification
1, transistor T that the signal secondary is amplified
2, to signal be coupled the coupling transformer TRAN of transformation, the transistor T of constant current is provided for the drive(r) stage power transistor
3, handle control circuit wherein comprises respectively the control flushing, attracts, manually, automatically, the button S of cut-out, backpedalling brake
1-S
6, be used for the NAND gate IC that multichannel is selected
1: A, IC
1: B, IC
2: A and IC
2: B, be used for d type flip flop IC to the control signal shaping of selecting
3: A and IC
3: B and IC
4: A, IC
4: B drive circuit IC
5: A, IC
5: B, IC
5: C and IC
5: D, three utmost point amplifier tube DG
1, DG
2And DG
3And the relay J that is used to carry out control action
1, J
2And J
3
2. ultra-sonic surgical aspirator as claimed in claim 1 is characterized in that wherein said cutter is cutting knife, saw cutter, cleans cutter, attracts any in head and the puncturing lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96101721A CN1039780C (en) | 1996-02-09 | 1996-02-09 | Supersonic operation instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96101721A CN1039780C (en) | 1996-02-09 | 1996-02-09 | Supersonic operation instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1135872A CN1135872A (en) | 1996-11-20 |
| CN1039780C true CN1039780C (en) | 1998-09-16 |
Family
ID=5117226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96101721A Expired - Fee Related CN1039780C (en) | 1996-02-09 | 1996-02-09 | Supersonic operation instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1039780C (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110292C (en) * | 1997-10-16 | 2003-06-04 | 北京中科电气高技术公司 | Cataract ultrasonic emulsifying instrument |
| US8348880B2 (en) * | 2001-04-04 | 2013-01-08 | Ethicon Endo-Surgery, Inc. | Ultrasonic surgical instrument incorporating fluid management |
| EP1734856A2 (en) * | 2004-03-11 | 2006-12-27 | Medrad, Inc. | Energy assisted medical devices, systems and methods |
| CN100394897C (en) * | 2004-08-03 | 2008-06-18 | 张毓笠 | Compound vibrated ultrasonic bone surgery apparatus |
| CN101401755B (en) * | 2007-09-28 | 2013-01-23 | 株式会社尼德克 | Head for ultrasonic operation and knife head for ultrasonic operation |
| CN102783987B (en) * | 2011-05-20 | 2016-03-23 | 北京宏仁凝瑞科技发展有限公司 | Ultrasonic surgical blade system |
| US20130090576A1 (en) * | 2011-10-10 | 2013-04-11 | Foster B. Stulen | Surgical instrument with ultrasonic waveguide defining a fluid lumen |
| CN103110447B (en) * | 2012-10-01 | 2016-12-07 | 北京水木天蓬医疗技术有限公司 | A kind of ultrasonic cut instrument and using method thereof |
| CN103743667A (en) * | 2014-01-23 | 2014-04-23 | 山东大学 | Test device capable of assisting biological soft tissue cutting by ultrasonic vibration |
| CN105496513B (en) * | 2015-11-30 | 2018-02-23 | 郜永顺 | A kind of non smoke ultrasound knife |
| CN106901804B (en) * | 2015-12-22 | 2020-03-31 | 无锡祥生医疗科技股份有限公司 | Ultrasonic knife transducer module and ultrasonic knife |
| CN106725739A (en) * | 2017-02-24 | 2017-05-31 | 厚凯（天津）医疗科技有限公司 | One kind is without cable ultrasonic surgical systems |
| CN106725740A (en) * | 2017-02-28 | 2017-05-31 | 重庆西山科技股份有限公司 | Ultrasonic surgical systems |
| CN107095722A (en) * | 2017-05-19 | 2017-08-29 | 桂林市啄木鸟医疗器械有限公司 | A kind of piezosurgery osteotomy machine operation tip cut for alveolar bone |
| CN115192137A (en) * | 2022-07-21 | 2022-10-18 | 无锡贝恩外科器械有限公司 | Ultrasonic operation system capable of identifying blood vessels |
| CN116763421B (en) * | 2023-08-18 | 2023-11-24 | 西南石油大学 | Medical planing tool bit with hemostatic function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406284A (en) * | 1981-03-20 | 1983-09-27 | Surgical Design Corp. | Ultrasonic handpiece design |
| US5261922A (en) * | 1992-02-20 | 1993-11-16 | Hood Larry L | Improved ultrasonic knife |
| 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 |
| US5342350A (en) * | 1990-02-16 | 1994-08-30 | Jean Amiel | Method of endoscopically treating lithiases with a multichannel probe suitable for draining the treated lithiases |
-
1996
- 1996-02-09 CN CN96101721A patent/CN1039780C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406284A (en) * | 1981-03-20 | 1983-09-27 | Surgical Design Corp. | Ultrasonic handpiece design |
| US4406284B1 (en) * | 1981-03-20 | 1997-11-18 | Surgical Design Corp | Ultrasonic handpiece design |
| US5342350A (en) * | 1990-02-16 | 1994-08-30 | Jean Amiel | Method of endoscopically treating lithiases with a multichannel probe suitable for draining the treated lithiases |
| US5261922A (en) * | 1992-02-20 | 1993-11-16 | Hood Larry L | Improved ultrasonic knife |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1135872A (en) | 1996-11-20 |
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