CN104207823A - Ultrasonic scalpel device for open type surgical operation - Google Patents
Ultrasonic scalpel device for open type surgical operation Download PDFInfo
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- CN104207823A CN104207823A CN201310207869.9A CN201310207869A CN104207823A CN 104207823 A CN104207823 A CN 104207823A CN 201310207869 A CN201310207869 A CN 201310207869A CN 104207823 A CN104207823 A CN 104207823A
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- ultrasonic
- open surgery
- high frequency
- ultrasound knife
- scalpel
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- 230000023555 blood coagulation Effects 0.000 claims abstract description 21
- 230000015271 coagulation Effects 0.000 claims description 28
- 238000005345 coagulation Methods 0.000 claims description 28
- 238000002604 ultrasonography Methods 0.000 claims description 28
- 238000001356 surgical procedure Methods 0.000 claims description 24
- 238000009998 heat setting Methods 0.000 claims description 16
- 239000000919 ceramic Substances 0.000 claims description 4
- 210000001519 tissue Anatomy 0.000 abstract description 11
- 210000004872 soft tissue Anatomy 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- 230000002860 competitive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 238000002324 minimally invasive surgery Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000001112 coagulating effect Effects 0.000 description 3
- 238000009297 electrocoagulation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000023597 hemostasis Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 102000011842 Serrate-Jagged Proteins Human genes 0.000 description 1
- 108010036039 Serrate-Jagged Proteins Proteins 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013132 cardiothoracic surgery Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000025 haemostatic effect Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- 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
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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)
- Biomedical Technology (AREA)
- Dentistry (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Laser Surgery Devices (AREA)
Abstract
The invention relates to an ultrasonic scalpel device for open type surgical operation. The ultrasonic scalpel device for the open type surgical operation comprises an ultrasonic generator, a handle and a scalpel body. The ultrasonic generator drives the handle to generate ultrasonic energy and transmit the ultrasonic energy to the scalpel body. Sawteeth are arranged at the edge of the front end of the scalpel body, and the scalpel body is provided with a blood clotting device. The sawtooth structure enables the speed of incising and separating soft tissue with an ultrasonic scalpel to be increased to be competitive to that of a high frequency electric scalpel, but cutting temperature of the ultrasonic scalpel is far more lower than the high temperature, ranging from 400 DEG C to 500 DEG C, of the high frequency electric sclpel, and surrounding tissue cannot be damaged. Several blood clotting technologies are also introduced to the ultrasonic scalpel device for the open type surgical operation, the several blood clothing technologies are used in cooperation with the ultrasonic scalpel, and therefore the blood clotting effect of the ultrasonic scalpel is improved remarkably.
Description
Technical field
The invention belongs to the cutting of soft tissue in open surgery, separation and hemostatic technique field, be specifically related to a kind of open surgery ultrasound knife device.
Background technology
Open surgery is for micro-wound surgical operation.Present Minimally Invasive Surgery refers to a kind of new technique of being performed a surgical operation in human body by the endoscope such as peritoneoscope, thoracoscope and relevant device.The Standard General of Minimally Invasive Surgery is that operative incision is about below 1cm, and the advantage of Minimally Invasive Surgery is that wound is little, pain light, it is fast to recover, and is main now mainly with abdominal operation.But the operation that some costs are many and difficulty is large is (as cardiothoracic surgery, spinal surgery, neurosurgery, gynecological etc.) be difficult to universal for the moment and promote Minimally Invasive Surgery technology, open surgery still accounts for the amount for surgical of operating 80% now, especially at some basic hospitals of China, because the training of Minimally Invasive Surgery technology of doctor and the configuration of endoscopic apparatus do not put in place, open surgery is because cost is low, the features such as doctor easily operates, still occupy significant proportion.
The cutting of soft tissue in open surgery, separation and hemostasis are completed by high frequency electric knife always, the history of existing more than 90 year.Ultrasonic surgical blade utilizes ultrasound wave to the cracked effect of local biologic tissue, and make tissue or component of organization vaporization or cracked, the albumen key utilizing sonic oscillation to interrupt to combine between soft tissue, realizes the cutting to tissue, separation; After the interphase interaction of ultrasound wave and soft tissue, produce a localized hyperthermia (about 70 DEG C, the cutting temperature far below high frequency electric knife), reach the object of blood coagulation.The companies such as Johnson & Johnson of the U.S. attempt developing and opening formula ultrasonic surgical blades, but this product has two large shortcomings not overcome in clinical, do not widely use in open surgery so far.This two large shortcoming is:
1) cutting speed is slow, can not compare with high frequency electric knife;
2) coagulating effectiveness is poor, particularly to the blood coagulation of some thicker blood vessels, can not compare with high frequency electric knife.
So Johson & Johnson's ultrasound knife technology is applied in endoscope micro-wound always, in open surgery, do not replace high frequency electric knife.
Summary of the invention
The object of this invention is to provide a kind of open surgery ultrasound knife device, high frequency electric knife can be replaced and use in open surgery.
The technical solution used in the present invention is as follows:
A kind of open surgery ultrasound knife device, comprise ultrasonic generator, handle and cutter, ultrasonic transducer is provided with in described handle, described ultrasonic generator drives described ultrasonic transducer produce ultrasonic energy and be passed to described cutter, the front edge of described cutter is provided with sawtooth, and described cutter is provided with coagulation apparatus.
Further, the shape of described sawtooth is triangle or the shape such as trapezoidal.
Further, described coagulation apparatus is electrothermal blood coagulation device, and this electrothermal blood coagulation device comprises the heat setting device be arranged on described cutter, and connects the power supply of this heat setting device.
Further, described heat setting device is by insulate and resistant to elevated temperatures ceramic sheet forms.
Further, described coagulation apparatus is high frequency electric coagulation apparatus.
Further, described high frequency electric coagulation apparatus comprises a high frequency generator, and the positive pole of its outfan is connected with described cutter by cable, and the negative pole of its outfan is connected with a negative plate.
Further, described high frequency electric coagulation apparatus comprises a high frequency generator, and the positive pole of its outfan is connected by the positive pole of cable with a bipolar electrocoagulator, and the negative pole of this high frequency generator is connected with this bipolar electrocoagulator negative pole by cable.
Further, described coagulation apparatus is laser coagulation apparatus, and this laser coagulation apparatus comprises the laser head be arranged on described cutter, and connects the laser generator of this laser head.
Further, described open surgery ultrasound knife also comprises switch, and described switch is difunctional gum cover switch and/or double-functional manual switch, and difunctional switch can control cutting and coagulation function respectively.
Present invention improves over the project organization (increasing sawtooth in the front end of blade) of ultrasound knife, make ultrasound knife cutting, be separated the speed of soft tissue and greatly improve, can compare with high frequency electric knife, but cutting temperature about 60 to 70 DEG C, well below 400 to 500 DEG C of high temperature of high frequency electric knife, to surrounding tissue not damaged.The present invention has also introduced several blood coagulation technology, and ultrasound knife combinationally uses, and significantly improves the coagulating effectiveness of ultrasound knife.In order to improve ultrasound knife cutting and the efficiency being separated soft tissue, reduce the loss of ultrasonic handpiece and ultrasonic generator, the operating frequency range of ultrasound knife system is locked near system soft tissue resonant frequency by the present invention simultaneously.Model machine according to the technology of the present invention design has carried out a large amount of experiments in clinical, proves can meet clinical needs well.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of open surgical ultrasound knife in embodiment.
Fig. 2 is the structural representation of ultrasonic scalpel handle in embodiment.
Fig. 3 is the serrate ultrasonic cutter schematic diagram of tool in embodiment.
Fig. 4 is ultrasonic surgical blade monopolar electrocoagulation schematic diagram in embodiment.
Fig. 5 is ultrasonic surgical blade monopolar electrocoagulation schematic diagram in embodiment.
Fig. 6 is ultrasonic surgical blade bipolar coagulation schematic diagram in embodiment.
Fig. 7 is the schematic diagram of bipolar electrocoagulator in embodiment.
Fig. 8 is the schematic diagram in embodiment, ultrasonic cutter being installed bipolar electrocoagulator.
Fig. 9 is the schematic diagram that in embodiment, bipolar electrocoagulator contacts with patient.
Figure 10 is ultrasonic surgical blade heat setting schematic diagram in embodiment.
Figure 11 is the schematic diagram that in embodiment, heat setting device contacts with patient.
Figure 12 is one of heat setting device schematic diagram in embodiment.
Figure 13 is heat setting device schematic diagram two in embodiment.
Figure 14 is the schematic diagram in embodiment, ultrasonic cutter being installed heat setting device.
Figure 15 is that in embodiment, ultrasonic surgical blade light coagulates schematic diagram.
Figure 16 is the schematic diagram in embodiment, ultrasonic cutter being installed laser head.
Figure 17 is the schematic diagram that in embodiment, laser head contacts with patient.
Number in the figure explanation; 1-cutter; 1A-sawtooth; 2-hands handle; 3-ultrasonic acoustic generator; The difunctional foot switch of 4-; 5-cable; 6-ac input end mouth; 7-double-functional manual switch; 8-high frequency generator; 9-negative plate; 10-patient; Bipolar electrocoagulator 11; 12-heat setting device; 13-heating wire; 14 heat setting device power supplys; 15-laser head; 16 laser generators; 17 optical fiberss.
Detailed description of the invention
Below by specific embodiments and the drawings, the present invention is described in detail.
Fig. 1 is the composition schematic diagram of the open surgical ultrasound knife of the present embodiment, comprises cutter 1, handle 2, ultrasonic acoustic generator 3 and foot switch 4.Ultrasonic acoustic generator 3 is connected with handle 2 by cable 5, and in figure, 6 is the ac input end mouth connecting ultrasonic acoustic generator.Ultrasonic acoustic generator 3 can be placed in a main frame, also can arrange power amplifier and embedded computer in this main frame.The small-power ultrasonic electric signal that supersonic signal generator produces is after power amplifier amplifies, can ultrasonic transducer work in driving handle, ultrasonic electric signal is changed into ultrasonic mechanical wave, and the transfer of ultrasonic energy of generation, to cutter, makes ultrasonic cutter carry out separation cuts to tissue; Embedded computer primary responsibility is coordinated and is controlled complete machine work, receives control instruction, display instrument duty, realizes the function such as man-machine interaction and foot-operated control.Described foot switch is difunctional foot switch, controls cutting and coagulation function respectively.Fig. 2 is the structural representation of ultrasonic scalpel handle, which is provided with double-functional manual switch 7, controls cutting and coagulation function respectively.
As shown in Figure 1 and Figure 2, ultrasonic generator drives ultrasonic scalpel handle to produce ultrasonic energy, and this energy delivery, to ultrasonic cutter, makes ultrasonic cutter carry out separation cuts to tissue, stops blooding simultaneously to wound surface.Operative doctor controls release and the stopping of energy on ultrasonic cutter by foot switch or hand switch.Said apparatus can be used for cutting soft tissue (muscle, fat, blood vessel, internal organs etc.).The temperature only having 40 to 70 to spend during this technology cutting soft tissue, need not cool, to patient's not damaged in water filling.
On said structure basis, invention has been following improvement, be described as follows.
1. improve cutting speed:
In order to improve the speed that ultrasonic cutter is separated tissue and cuts, the front edge of ultrasonic cutter devises multiple leg-of-mutton sawtooth 1A, as shown in Figure 3.Except triangle, also can adopt the sawtooth of trapezoidal other shape such as grade.
2. improve coagulating effectiveness:
At use ultrasound knife in the cutting of tissue and separation process, need to stop blooding to the angiorrbagia of diameter comparatively large (more than 3mm to 5mm), ensure good haemostatic effect, present invention employs following several clotting method (in practical application can optionally wherein a kind of method): high frequency electric blood coagulation, electrothermal blood coagulation, laser blood coagulation.Illustrate the coagulation apparatus realizing various method below to form.
1) high frequency electric blood coagulation
A) monoplanar electrocoagulation:
As shown in Figure 4, high frequency generator 8 and ultrasonic generator 3 are combinationally used, realizes coagulation function.The positive pole of high frequency generator 8 outfan is connected (because the material of ultrasonic cutter is metal by cable with ultrasonic cutter, can use as the positive pole of high frequency generator), the negative pole of high frequency generator is connected on negative plate 9, this negative plate 9 is closely reliably connected with the skin (being generally thigh or back place) of patient with operation again, the high frequency electric that ultrasonic like this cutter flows out flows through patient 10, high frequency generator 8 is got back to by negative plate, form a closed-loop path, as shown in Figure 5.When the high frequency electric that ultrasonic cutter flows out flows through patient, the contact point of cutter and patient produces instantaneous high-temperature, reaches the object of blood coagulation.
Operative doctor is by controlling difunctional foot switch 4, just can control cutting and the blood coagulation of ultrasonic cutter in operation process easily, namely " cutting " switch stepping on difunctional foot switch realizes the cutting function to tissue of ultrasonic cutter, " blood coagulation " switch stepping on difunctional foot switch realize ultrasonic cutter to the coagulation function compared with trunk.Equally, operative doctor also by the double-functional manual switch in ultrasonic handpiece, can control " cutting " and " blood coagulation " of ultrasonic cutter.
B) bipolar coagulation method:
As Fig. 6,7, shown in 8, high frequency generator 8 and ultrasonic generator 3 are combinationally used, and realizes bipolar coagulation function by bipolar electrocoagulator 11.The positive pole of high frequency generator 8 outfan is connected by the positive pole of cable with bipolar electrocoagulator 11, the negative pole of high frequency generator 8 is connected to by cable on the negative pole of bipolar electrocoagulator 11, like this when bipolar electrocoagulator 11 contacts with patient 10, the high frequency electric of the positive pole outflow of high frequency generator 8 outfan flows through the contact point of patient 10, high frequency generator is got back to again by negative pole, form a closed-loop path, thus instantaneous high-temperature is produced on the contact point of bipolar electrocoagulator and patient, reach the object of blood coagulation, as shown in Figure 9.
2) electrothermal blood coagulation:
As shown in figure 14, the cutter head of ultrasonic cutter is installed an insulation and resistant to elevated temperatures pottery (Ceramic) thin slice composition heat setting device 12.The very thin heating wire of 1 to 2 group diameters (Electrothermal coil) 13 is wound with, as shown in Figure 12 and Figure 13 in this ceramic sheet.When ultrasound knife needs to solidify blood vessel, the electric current (Current) of the nearly 1A produced by heat setting device power supply 14 can flow through the heating wire in heat setting device, the heat that instantaneous quick generation is a large amount of, makes the temperature of electric heater rise to 200 to 300 degree, blood vessel is solidified, as shown in Figure 10, Figure 11.
3) laser blood coagulation:
As shown in figure 16, laser head 15 is fixed on the cutter of ultrasonic cutter, and the laser that laser generator 16 produces is delivered on laser head by optical fibers 17, when laser head contacts with tissue, local produces a large amount of heat, reaches the object of hemostasis, as shown in Figure 15, Figure 17.
Although disclose specific embodiments of the invention and accompanying drawing for the purpose of illustration, its object is to help understand content of the present invention and implement according to this, but it will be appreciated by those skilled in the art that: without departing from the spirit and scope of the invention and the appended claims, various replacement, change and amendment are all possible.The present invention should not be limited to the content disclosed in this description most preferred embodiment and accompanying drawing, and the scope that the scope of protection of present invention defines with claims is as the criterion.
Claims (10)
1. an open surgery ultrasound knife device, it is characterized in that, comprise ultrasonic generator, handle and cutter, ultrasonic transducer is provided with in described handle, described ultrasonic generator drives described ultrasonic transducer produce ultrasonic energy and be passed to described cutter, the front edge of described cutter is provided with sawtooth, and described cutter is provided with coagulation apparatus.
2. open surgery ultrasound knife device as claimed in claim 1, is characterized in that: the shape of described sawtooth is triangle or trapezoidal.
3. open surgery ultrasound knife device as claimed in claim 1, it is characterized in that: described coagulation apparatus is electrothermal blood coagulation device, this electrothermal blood coagulation device comprises the heat setting device be arranged on described cutter, and connects the power supply of this heat setting device.
4. open surgery ultrasound knife device as claimed in claim 4, is characterized in that: described heat setting device is by insulate and resistant to elevated temperatures ceramic sheet forms.
5. open surgery ultrasound knife device as claimed in claim 1, is characterized in that: described coagulation apparatus is high frequency electric coagulation apparatus.
6. open surgery ultrasound knife device as claimed in claim 6, it is characterized in that: described high frequency electric coagulation apparatus comprises a high frequency generator, the positive pole of its outfan is connected with described cutter by cable, and the negative pole of its outfan is connected with a negative plate.
7. open surgery ultrasound knife device as claimed in claim 6, it is characterized in that: described high frequency electric coagulation apparatus comprises a high frequency generator, the positive pole of its outfan is connected by the positive pole of cable with a bipolar electrocoagulator, and the negative pole of its outfan is connected with this bipolar electrocoagulator negative pole by cable.
8. open surgery ultrasound knife device as claimed in claim 4, it is characterized in that: described coagulation apparatus is laser coagulation apparatus, this laser coagulation apparatus comprises the laser head be arranged on described cutter, and connects the laser generator of this laser head.
9. the open surgery ultrasound knife device according to any one of claim 1 to 8, is characterized in that: also comprise the switch controlling cutting function and coagulation function.
10. open surgery ultrasound knife device as claimed in claim 9, is characterized in that: described switch is difunctional foot switch and/or double-functional manual switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207869.9A CN104207823B (en) | 2013-05-30 | 2013-05-30 | A kind of open surgery ultrasound knife device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310207869.9A CN104207823B (en) | 2013-05-30 | 2013-05-30 | A kind of open surgery ultrasound knife device |
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| Publication Number | Publication Date |
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| CN104207823A true CN104207823A (en) | 2014-12-17 |
| CN104207823B CN104207823B (en) | 2016-12-28 |
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| CN201310207869.9A Active CN104207823B (en) | 2013-05-30 | 2013-05-30 | A kind of open surgery ultrasound knife device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264710A (en) * | 2015-05-29 | 2017-01-04 | 北京汇福康医疗技术股份有限公司 | There is the ultrasonic and integrated operation system of coagulation function and control method thereof |
| CN109009333A (en) * | 2018-08-03 | 2018-12-18 | 北京安和加利尔科技有限公司 | A kind of ultrasound radio knife |
| CN114305648A (en) * | 2022-03-16 | 2022-04-12 | 珠海维尔康生物科技有限公司 | Ultrasonic knife soft tissue coagulation cutting system |
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2013
- 2013-05-30 CN CN201310207869.9A patent/CN104207823B/en active Active
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| US5261922A (en) * | 1992-02-20 | 1993-11-16 | Hood Larry L | Improved ultrasonic knife |
| US6129735A (en) * | 1996-06-21 | 2000-10-10 | Olympus Optical Co., Ltd. | Ultrasonic treatment appliance |
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| CN203303115U (en) * | 2013-05-30 | 2013-11-27 | 厚凯(北京)医疗科技有限公司 | Ultrasonic knife device for open surgery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264710A (en) * | 2015-05-29 | 2017-01-04 | 北京汇福康医疗技术股份有限公司 | There is the ultrasonic and integrated operation system of coagulation function and control method thereof |
| CN109009333A (en) * | 2018-08-03 | 2018-12-18 | 北京安和加利尔科技有限公司 | A kind of ultrasound radio knife |
| CN114305648A (en) * | 2022-03-16 | 2022-04-12 | 珠海维尔康生物科技有限公司 | Ultrasonic knife soft tissue coagulation cutting system |
| CN114305648B (en) * | 2022-03-16 | 2022-06-07 | 珠海维尔康生物科技有限公司 | Ultrasonic knife soft tissue coagulation cutting system |
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| CN104207823B (en) | 2016-12-28 |
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