CN104207823B - A kind of open surgery ultrasound knife device - Google Patents
A kind of open surgery ultrasound knife device Download PDFInfo
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- CN104207823B CN104207823B CN201310207869.9A CN201310207869A CN104207823B CN 104207823 B CN104207823 B CN 104207823B CN 201310207869 A CN201310207869 A CN 201310207869A CN 104207823 B CN104207823 B CN 104207823B
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- Prior art keywords
- cutter
- ultrasound knife
- ultrasonic
- open surgery
- coagulation
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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
-
- 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
Abstract
The present invention relates to a kind of open surgery ultrasound knife device, including ultrasonic generator, handle and cutter, described ultrasonic generator drives described handle produce ultrasonic energy and be transferred to described cutter, and the front edge of described cutter is provided with sawtooth, and described cutter is provided with coagulation apparatus.Broached-tooth design makes ultrasound knife cutting, the speed of separation soft tissue be greatly improved, and can compare with high frequency electric knife, but cutting temperature is well below 400 to 500 DEG C of high temperature of high frequency electric knife, to surrounding tissue not damaged.The present invention also introduces several blood coagulation technology, and ultrasound knife is applied in combination, and significantly improves the coagulating effectiveness of ultrasound knife.
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
Formula surgical operation ultrasound knife device.
Background technology
Open surgery is for micro-wound surgical operation.Minimally Invasive Surgery refers to by peritoneoscope, thoracoscope now
A kind of new technique performed a surgical operation in human body Deng endoscope and relevant device.The Standard General of Minimally Invasive Surgery be operative incision about
Below 1cm, the advantage of Minimally Invasive Surgery is that wound is little, pain light, it is fast to recover, the most based on abdominal operation.But some
The operation (such as cardiothoracic surgery, spinal surgery, neurosurgery, gynecological etc.) that cost is many and difficulty is big is difficult to universal for the moment and pushes away
Wide Minimally Invasive Surgery technology, open surgery the most still accounts for the amount for surgical of operating 80%, especially at some basic hospitals of China,
Owing to the training of Minimally Invasive Surgery technology and the configuration of endoscopic apparatus of doctor do not put in place, open surgery because low cost,
The features such as doctor's easily operation, still occupy significant proportion.
The cutting of soft tissue in open surgery, separate and stop blooding and completed by high frequency electric knife always, the history of existing more than 90 year
?.Ultrasonic surgical blade is the fragmentation effect utilizing ultrasound wave to local biologic tissue, makes tissue or component of organization vaporization or broken
Split, utilize sonic oscillation to interrupt the albumen key combined between soft tissue, it is achieved cutting, the separation to tissue；Ultrasound wave and soft group
After the interphase interaction knitted, produce a localized hyperthermia (about 70 DEG C, far below the cutting temperature of high frequency electric knife), reach blood coagulation
Purpose.The companies such as Johnson & Johnson of the U.S. attempt developing and opening formula ultrasonic surgical blades, but this product has two big shortcomings not have in clinic
Overcome, be not widely used in open surgery so far.This two big shortcoming is:
1) cutting speed is slow, it is impossible to and high frequency electric knife analogy；
2) coagulating effectiveness is poor, particularly the blood coagulation to 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 height
Frequently electric knife.
Summary of the invention
It is an object of the invention to provide a kind of open surgery ultrasound knife device, high frequency electric knife can be replaced outside open
Section's operation uses.
The technical solution used in the present invention is as follows:
A kind of open surgery ultrasound knife device, including ultrasonic generator, handle and cutter, is provided with super in described handle
Sonic transducer, described ultrasonic generator drives described ultrasonic transducer produce ultrasonic energy and be transferred to described cutter, described cutter
The front edge of tool is provided with sawtooth, and described cutter is provided with coagulation apparatus.
Further, described sawtooth be shaped as triangle or the shape such as trapezoidal.
Further, described coagulation apparatus is electrothermal blood coagulation device, and this electrothermal blood coagulation device includes the heat being arranged on described cutter
Condenser, and connect the power supply of this heat setting device.
Further, described heat setting device is by insulating 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 includes a high frequency generator, and the positive pole of its outfan passes through cable and institute
Stating cutter to be connected, the negative pole of its outfan and a negative plate are connected.
Further, described high frequency electric coagulation apparatus includes a high frequency generator, and the positive pole of its outfan passes through cable and
The positive pole of bipolar electrocoagulator is connected, 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 includes that be arranged on described cutter swashs
Shaven head, and connect the laser generator of this laser head.
Further, described open surgery ultrasound knife also include switch, described switch be difunctional gum cover switch and/or
Double-functional manual switchs, and difunctional switch can control cutting and coagulation function respectively.
Present invention improves over the design structure (increasing sawtooth in the front end of blade) of ultrasound knife, make ultrasound knife cutting, separate soft tissue
Speed be greatly improved, can compare with high frequency electric knife, but cutting temperature about 60 to 70 DEG C, well below high frequency electric knife
400 to 500 DEG C of high temperature, to surrounding tissue not damaged.The present invention has also introduced several blood coagulation technology, and ultrasound knife is applied in combination,
Significantly improve the coagulating effectiveness of ultrasound knife.In order to improve ultrasound knife cutting and separate the efficiency of soft tissue, reduce ultrasonic hands simultaneously
Handle and the loss of ultrasonic generator, it is attached that the operating frequency range of ultrasound knife system is locked in system soft tissue resonant frequency by the present invention
Closely.In clinic, substantial amounts of experiment has been carried out, it was demonstrated that clinic can be met well according to the model machine of the technology of the present invention design
Need.
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 to have serrate ultrasonic cutter schematic diagram 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 installing bipolar electrocoagulator in embodiment on ultrasonic cutter.
Fig. 9 is bipolar electrocoagulator and the schematic diagram of patient contact in embodiment.
Figure 10 is ultrasonic surgical blade heat setting schematic diagram in embodiment.
Figure 11 is heat setting device and the schematic diagram of patient contact in embodiment.
Figure 12 is one of heat setting device schematic diagram in embodiment.
Figure 13 is in embodiment the two of heat setting device schematic diagram.
Figure 14 is the schematic diagram installing heat setting device in embodiment on ultrasonic cutter.
Figure 15 is that in embodiment, ultrasonic surgical blade light coagulates schematic diagram.
Figure 16 is the schematic diagram installing laser head in embodiment on ultrasonic cutter.
Figure 17 is laser head and the schematic diagram of patient contact in embodiment.
Label declaration in figure；1-cutter；1A-sawtooth；2-handle；3-ultrasonic acoustic generator；The difunctional foot switch of 4-；5-cable；
6-ac input end mouth；7-double-functional manual switchs；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, including cutter 1, handle 2, ultrasonic acoustic generator 3
With foot switch 4.Ultrasonic acoustic generator 3 is connected with handle 2 by cable 5, and in figure, 6 is that the exchange of connection ultrasonic acoustic generator is defeated
Inbound port.Ultrasonic acoustic generator 3 is placed in a main frame, also can arrange power amplifier and embedded computer in this main frame.Super
The small-power ultrasonic electric signal that sound signal generator produces, can ultrasonic transducer work in driving handle after power amplifier amplifies
Making, ultrasonic electric signal is changed into ultrasonic mechanical wave, the transfer of ultrasonic energy of generation, to cutter, makes ultrasonic cutter to human body group
Knit and carry out separating cutting；Embedded computer is mainly responsible for coordinating and control complete machine work, receives control instruction, display instrument work
Make state, it is achieved the function such as man-machine interaction and foot-operated control.Described foot switch is difunctional foot switch, controls cutting respectively
And coagulation function.Fig. 2 is the structural representation of ultrasonic scalpel handle, which is provided with double-functional manual switch 7, controls cutting respectively
And coagulation function.
As shown in Figure 1 and Figure 2, ultrasonic generator drives ultrasonic scalpel handle to produce ultrasonic energy, and this energy is transferred to ultrasound knife
Tool, makes ultrasonic cutter carry out tissue separating cutting, stops blooding wound surface simultaneously.Operative doctor by foot switch or
Person's hand switch controls release and the stopping of energy on ultrasonic cutter.Said apparatus can be used for cut soft tissue (muscle, fat,
Blood vessel, internal organs etc.).Only have 40 to 70 temperature spent during this technology cutting soft tissue, cool down without water filling, to patient's not damaged.
On the basis of said structure, the present invention has done following improvement, is described as follows.
1. raising cutting speed:
Tissue is separated and the speed of cutting to improve ultrasonic cutter, the front edge of ultrasonic cutter devises multiple
The sawtooth 1A of triangle, as shown in Figure 3.In addition to triangle, it would however also be possible to employ the other shapes of sawtooth such as trapezoidal.
2. raising coagulating effectiveness:
Using ultrasound knife in the cutting of tissue and separation process, needing being relatively large in diameter (more than 3mm to 5mm)
Angiorrbagia is stopped blooding, it is ensured that good haemostatic effect, and present invention employs following several clotting method (can in actual application
With optional one of which method): high frequency electric blood coagulation, electrothermal blood coagulation, laser blood coagulation.It is specifically described below and realizes various method
Coagulation apparatus is constituted.
1) high frequency electric blood coagulation
A) monoplanar electrocoagulation:
As shown in Figure 4, high frequency generator 8 and ultrasonic generator 3 are applied in combination, it is achieved coagulation function.High frequency generator 8
The positive pole of outfan is connected with ultrasonic cutter by cable, and (material because of ultrasonic cutter is metal, can be as high frequency generator
Positive pole use), the negative pole of high frequency generator is connected on negative plate 9, and this negative plate 9 is again with the skin of patient with operation (generally
At thigh or back) closely reliably connect, the high frequency electric that the most ultrasonic cutter flows out flows through patient 10, passes through negative pole
Plate returns to high frequency generator 8, forms a closed-loop path, as shown in Figure 5.The high frequency electric that ultrasonic cutter flows out flows through patient
Time, the contact point of cutter and patient produces instantaneous high-temperature, reaches the purpose of blood coagulation.
Operative doctor is by controlling difunctional foot switch 4, it is possible to control easily ultrasonic cutter in operation process cutting and
Blood coagulation, " cutting " switch i.e. stepping on difunctional foot switch realizes the cutting function to tissue of ultrasonic cutter, steps on
" blood coagulation " switch of difunctional foot switch realizes the coagulation function to bigger blood vessel of ultrasonic cutter.Equally, operative doctor is also
Can be switched by the double-functional manual in ultrasonic handpiece, control " cutting " and " blood coagulation " of ultrasonic cutter.
B) bipolar coagulation method:
Such as Fig. 6, shown in 7,8, high frequency generator 8 and ultrasonic generator 3 are applied in combination, and are realized by bipolar electrocoagulator 11
Bipolar coagulation function.The positive pole of high frequency generator 8 outfan is connected with the positive pole of bipolar electrocoagulator 11 by cable, and high frequency occurs
The negative pole of device 8 is connected on the negative pole of bipolar electrocoagulator 11 by cable, so when bipolar electrocoagulator 11 contacts with patient 10,
The high frequency electric that the positive pole of high frequency generator 8 outfan flows out flows through the contact point of patient 10, then returns to high frequency generation by negative pole
Device, forms a closed-loop path, thus produces instantaneous high-temperature on the contact point of bipolar electrocoagulator and patient, reach the mesh 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 one to insulate and resistant to elevated temperatures pottery (Ceramic) thin slice group
Become heat setting device 12.The thinnest heating wire of 1 to 2 group diameters (Electrothermal coil) 13 it are wound with in this ceramic sheet,
As shown in Figure 12 and Figure 13.When ultrasound knife needs to solidify blood vessel, by the electric current of the about 1A that heat setting device power supply 14 produces
(Current) heating wire in heat setting device can be flow through, the instantaneous substantial amounts of heat of quick generation, make 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 passes through photoconduction
Fiber 17 is delivered on laser head, and when laser head contacts with tissue, local produces substantial amounts of heat, reaches the purpose of hemostasis,
As shown in Figure 15, Figure 17.
Although disclosing the specific embodiments and the drawings of the present invention for the purpose of illustration, its object is to help and understanding present disclosure
And implement according to this, but it will be appreciated by those skilled in the art that: without departing from the present invention and appended claim spirit and
In the range of, various replacements, to change and modifications be all possible.The present invention should not be limited to this specification most preferred embodiment and accompanying drawing
Disclosure of that, the scope of protection of present invention defines in the range of standard with claims.
Claims (4)
1. an open surgery ultrasound knife device, it is characterised in that include ultrasonic generator, handle and cutter, described hands
Being provided with ultrasonic transducer in handle, described ultrasonic generator drives described ultrasonic transducer produce ultrasonic energy and be transferred to described cutter
Tool, the front edge of described cutter is provided with sawtooth, and described cutter is provided with coagulation apparatus；
Described coagulation apparatus is electrothermal blood coagulation device, and this electrothermal blood coagulation device includes the heat setting device being arranged on described cutter, and connects
The power supply of this heat setting device；Described heat setting device includes a ceramic sheet and one to two group heating wire, and described heating wire is arranged in and is arranged on
In multiple through holes on ceramic sheet.
2. open surgery ultrasound knife device as claimed in claim 1, it is characterised in that: described sawtooth be shaped as triangle
Shape or trapezoidal.
3. the open surgery ultrasound knife device as according to any one of claim 1 to 2, it is characterised in that: also include control
Cutting function processed and the switch of coagulation function.
4. open surgery ultrasound knife device as claimed in claim 3, it is characterised in that: described switch is difunctional foot-operated
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
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| CN104207823A CN104207823A (en) | 2014-12-17 |
| CN104207823B true CN104207823B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (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 |
| CN109009332B (en) * | 2018-08-03 | 2023-12-15 | 北京安和加利尔科技有限公司 | Conductive structure and ultrasonic surgical knife with same |
| 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 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN1260161A (en) * | 1999-01-10 | 2000-07-19 | 姜宪委 | Surgical instrument for tissue excision and system for using said instrument |
| US20030171747A1 (en) * | 1999-01-25 | 2003-09-11 | Olympus Optical Co., Ltd. | Medical treatment instrument |
| US7135029B2 (en) * | 2001-06-29 | 2006-11-14 | Makin Inder Raj S | Ultrasonic surgical instrument for intracorporeal sonodynamic therapy |
| JP2005058616A (en) * | 2003-08-19 | 2005-03-10 | Olympus Corp | Control device for medical system and method of control for medical system |
| CN100394897C (en) * | 2004-08-03 | 2008-06-18 | 张毓笠 | Compound vibrated ultrasonic bone surgery apparatus |
| US9259234B2 (en) * | 2010-02-11 | 2016-02-16 | Ethicon Endo-Surgery, Llc | Ultrasonic surgical instruments with rotatable blade and hollow sheath arrangements |
| 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 |
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