CN108836435A - A kind of ultrasound knife and its application method - Google Patents
A kind of ultrasound knife and its application method Download PDFInfo
- Publication number
- CN108836435A CN108836435A CN201810775640.8A CN201810775640A CN108836435A CN 108836435 A CN108836435 A CN 108836435A CN 201810775640 A CN201810775640 A CN 201810775640A CN 108836435 A CN108836435 A CN 108836435A
- Authority
- CN
- China
- Prior art keywords
- ultrasound knife
- shield
- handpiece
- inner tube
- mobile jib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/0053—Cabins, rooms, chairs or units for treatment with a hot or cold circulating fluid
-
- 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
-
- 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
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0059—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit
- A61F2007/0063—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit for cooling
- A61F2007/0064—Heating or cooling appliances for medical or therapeutic treatment of the human body with an open fluid circuit for cooling of gas
Abstract
The present invention relates to a kind of ultrasound knifes, including handpiece, the trigger on front side of handpiece, the energy converter positioned at handpiece top, the inner tube set on handpiece front end, in inner tube and ultrasonic knife bar that end is connect with energy converter output end, the cutter head positioned at ultrasonic knife bar front end, the collet above cutter head, be provided with the shield that can be moved along ultrasonic knife bar central axis direction below cutter head.Ultrasound knife of the invention is not easy to generate wound to normal human tissue.
Description
Technical field
The present invention relates to a kind of medical instrument more particularly to a kind of ultrasound knife and its application methods.
Background technique
Ultrasound knife be it is a kind of so that cutter head is generated high-frequency vibration using ultrasonic technique, to realize the doctor that cuts to tissue
Treat instrument.Ultrasound knife includes energy converter, and the output end of energy converter is connect by screw thread with ultrasonic knife bar, in use, operator
Precut tissue is placed between the cutter head of ultrasonic knife bar and its collet of top, the trigger on shell is then passed through
So that collet by clamp tissue between cutter head and collet, ultrasonic switch button is opened simultaneously, so that tissue is in knife
It is cut off under the effect of vibration of head.Existing ultrasound knife is carried out due to the exposed setting of cutter head, doctor to need tissue to be cut
When cutting operation, the normal human tissue positioned at cutter head far from collet side is also influenced by cutter head vibration, near cutter head
Normal human tissue is often cut by cutter head bad, or even can generate biggish wound, and then lead to the failure of operation.Currently, i.e.
Make to be that the doctor with abundant operating experience does not also inevitably cause wound to its hetero-organization.In addition, existing ultrasound knife is to tissue
More heat can be generated when being cut, excessive heat also has an adverse effect to surrounding normal tissue, and by
Wound at cutting tissue is also not easy to solidify.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of new structural ultrasound
Knife makes it with more the utility value in industry.
Summary of the invention
In order to solve the above technical problems, being not easy to generate wound to normal human tissue the object of the present invention is to provide a kind of
Ultrasound knife.The application method of the ultrasound knife of heat when furthermore can reduce cutting the present invention also provides one kind.
Ultrasound knife of the invention, the trigger including handpiece, on front side of handpiece, the transducing positioned at handpiece top
Device, set on the inner tube of handpiece front end, in inner tube and ultrasonic knife bar that end is connect with energy converter output end, be located at it is super
Cutter head, the collet above cutter head of sound knife bar front end, being provided with below the cutter head can be along ultrasonic knife bar central axis direction
Mobile shield.
Further, ultrasound knife of the invention, cylinder is provided with below said inner tube, and the cylinder body fixation of the cylinder is set
It is placed in the lower surface of inner tube, the shield is fixedly installed on the piston rod of cylinder.
Further, ultrasound knife of the invention, the cylinder body and said inner tube of the cylinder are integrally formed.
Further, ultrasound knife of the invention, is provided with slip pipe on the lower surface of said inner tube, in the slip pipe slidably
Ground is provided with slide bar, and one end of the slide bar is equipped with handle, and the other end of slide bar is connect with the shield.
Further, ultrasound knife of the invention, the front end of the handpiece are provided with the first company made of magnetic material
Fitting, the slip pipe are provided with the second connector made of magnetic material close to one end of handle, and the handle is located at first
Between connector and the second connector, and handle is made of iron material.
Further, ultrasound knife of the invention, first connector and the second connector are made of magnet.
Further, ultrasound knife of the invention, the collet include clamping plate and the upper flap positioned at clamping plate two sides, the folder
Teflon gasket is provided on the bottom surface of plate, the shield includes bottom plate and the lower flap positioned at bottom plate two sides, the bottom
The upper surface of plate is provided with thermal insulation layer, and the collet and shield can surround to form accommodating chamber, and the shield is by transparent material system
At.
Further, ultrasound knife of the invention, the energy converter include bottom case, and the bottom case is the cylinder that top has opening
Shape structure is provided with mobile jib in bottom case, is equipped with working chamber between the bottom surface of the mobile jib and the bottom wall of bottom case, on the top surface of mobile jib
It is provided with connecting rod, amplitude transformer is provided with above connecting rod, connecting rod is stacked equipped with piezoelectric ceramics, and the piezoelectric ceramics stacking includes
Annular piezoelectric ceramics of multiple sets on the connecting rod, piezoelectric ceramics stack the change between the mobile jib and amplitude transformer
Locating slot is provided on the bottom surface of width bar, the top of the connecting rod is located in the locating slot, amplitude transformer, piezo-electric stack and mobile jib
Outside be additionally provided with the first layer of silica gel, the top of the amplitude transformer is provided with the external screw thread being adapted to the ultrasonic knife bar, institute
Stating energy converter further includes the first passage for attracting watery blood and smog, and the first passage prolongs from the upper surface of the amplitude transformer
The bottom surface of the mobile jib is extended to, micropump, the input terminal of the micropump and the first passage are provided in the working chamber
Connection, the output end of micropump are connected to by the first delivery outlet on bottom case with external, are provided on the ultrasonic knife bar and institute
State the first feed track of first passage connection.
Further, ultrasound knife of the invention, the energy converter further include the second channel for conveying cooling gas, institute
The bottom surface that second channel extends to the mobile jib from the upper surface of the amplitude transformer is stated, the second channel passes through on bottom case
Two delivery outlets are connected to outside, are provided with the second feed track being connected to the second channel on the ultrasound knife bar.
A kind of application method of above-mentioned ultrasound knife, when carrying out cutting operation to tissue, external cold source passes sequentially through the
Two delivery outlets, second channel and the second feed track are to by conveying cold source at cutting tissue.
According to the above aspect of the present invention, the present invention has at least the following advantages：Ultrasound knife of the invention is provided with below cutter head
Telescopic shield, in this way, shield can be set to the lower section of cutter head when carrying out cutting operation to tissue by one side doctor, by
There is certain gap between cutter head and shield, can thus be vibrated to avoid the normal tissue below cutter head by cutter head
It influences, on the other hand, shield can be retracted when doctor finds precut tissue, so that cutter head exposes, to not influence doctor
The operation visual field, facilitate doctor to look for precut tissue.
In conclusion ultrasound knife of the invention is not easy to generate wound to normal human tissue.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram with the ultrasound knife of cylinder；
Fig. 2 is the structural schematic diagram with the ultrasound knife of slip pipe and slide bar；
Fig. 3 is the structural schematic diagram of collet and shield；
Fig. 4 is the structural schematic diagram of energy converter.
In figure, 1：Handpiece；2：Trigger；3：Energy converter；4：Inner tube；5：Ultrasonic knife bar；6：Cutter head；7：Collet；8：Shield
Cover；9：Cylinder；10：Slip pipe；11：Slide bar；12：Handle；13：First connector；14：Second connector；15：Clamping plate；16：Upper shield
The wing；17：Teflon gasket；18：Bottom plate；19：Lower flap；20：Thermal insulation layer；21：Accommodating chamber；22：Bottom case；23：Mobile jib；
24：Working chamber；25：Connecting rod；26：Amplitude transformer；27：Piezoelectric ceramics stacks；28：Locating slot；29：First layer of silica gel；30：First is logical
Road；31：Micropump；32：First feed track；33：Second channel；34：Second feed track.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Referring to Fig. 1 to Fig. 4, a kind of ultrasound knife of a preferred embodiment of the present invention, including handpiece 1, be located at handpiece before
The trigger 2 of side, the energy converter 3 positioned at handpiece top, the inner tube 4 set on handpiece front end, be set to inner tube in and end
The ultrasonic knife bar 5 that is connect with energy converter output end, positioned at the cutter head 6 of ultrasonic knife bar front end, the collet 7 above cutter head, knife
The lower section of head is provided with the shield 8 that can be moved along ultrasonic knife bar central axis direction.
Ultrasound knife of the invention is provided with telescopic shield below cutter head, in this way, one side doctor is to tissue
The lower section that shield can be set to cutter head when cutting operation is carried out, due to having certain gap between cutter head and shield, in this way
It can be influenced to avoid the normal tissue below cutter head by cutter head vibration, on the other hand, find precut tissue in doctor
When shield can be retracted so that cutter head expose, to not influence the operation visual field of doctor, doctor is facilitated to look for precut tissue.
Preferably, ultrasound knife of the invention, cylinder 9 is provided with below inner tube, in the cylinder body of cylinder is fixedly installed on
The lower surface of pipe, shield are fixedly installed on the piston rod of cylinder.
Preferably, ultrasound knife of the invention, the cylinder body and inner tube of cylinder are integrally formed.
The setting of cylinder realizes the Telescopic of shield.
Preferably, ultrasound knife of the invention, it is provided with slip pipe 10 on the lower surface of inner tube, is mounted slidably in slip pipe
There is slide bar 11, one end of slide bar is equipped with handle 12, and the other end of slide bar is connect with shield.
Preferably, ultrasound knife of the invention, the front end of handpiece is provided with the first connector made of magnetic material
13, slip pipe is provided with the second connector 14 made of magnetic material close to one end of handle, handle be located at the first connector and
Between second connector, and handle is made of iron material.
Preferably, ultrasound knife of the invention, the first connector and the second connector are made of magnet.
The setting of first connector and the second connector realizes the positioning function to handle and slide bar and shield.Specifically
In use, when doctor looks for precut tissue, handle is connect with the first connector, when doctor navigates to precut tissue and will
Tissue be placed between collet and cutter head after, doctor can driving handle so that handle separated with the first connector and with people connect
Part connection, slide bar skids off to the other end under the promotion of handle and drives the lower section of cutter head in shield movement at this time, then doctor
Openable ultrasonic switch realizes the cutting to tissue, handle is pulled after the completion of cutting, so that handle and shield homing.
Preferably, ultrasound knife of the invention, collet includes clamping plate 15 and the upper flap 16 positioned at clamping plate two sides, clamping plate
Be provided with teflon gasket 17 on bottom surface, shield includes bottom plate and the lower flap 19 positioned at 18 two sides of bottom plate, bottom plate it is upper
Surface is provided with thermal insulation layer 20, and collet and shield can surround to form accommodating chamber 21, and shield is made of clear material.
The setting of thermal insulation layer can prevent the heat generated in cutting process from having an impact to surrounding tissue.On the other hand
The setting of accommodating chamber can further prevent influence of the cutting process to surrounding tissue.
Preferably, ultrasound knife of the invention, energy converter includes bottom case 22, and bottom case is the tubular knot that top has opening
Structure is provided with mobile jib 23 in bottom case, and working chamber 24 is equipped between the bottom surface of mobile jib and the bottom wall of bottom case, is arranged on the top surface of mobile jib
There is connecting rod 25, amplitude transformer 26 is provided with above connecting rod, connecting rod is equipped with piezoelectric ceramics and stacks 27, and it includes more that piezoelectric ceramics, which stacks,
A annular piezoelectric ceramics covered on connecting rod, piezoelectric ceramics are stacked between mobile jib and amplitude transformer, are set on the bottom surface of amplitude transformer
It is equipped with locating slot 28, the top of connecting rod is located in locating slot, and the first silicon is additionally provided on the outside of amplitude transformer, piezo-electric stack and mobile jib
Glue-line 29, the top of amplitude transformer are provided with the external screw thread being adapted to ultrasonic knife bar, and energy converter further includes for attracting watery blood and cigarette
The first passage 30 of mist, first passage extend to the bottom surface of mobile jib from the upper surface of amplitude transformer, are provided with micropump in working chamber
31, the input terminal of micropump is connected to first passage, and the output end of micropump is connected by the first delivery outlet on bottom case with outside
It is logical, the first feed track 32 being connected to first passage is provided on ultrasonic knife bar.
The setting of first passage, so that doctor is carry out to tissue can will be around tissue by micropump in cutting process
Watery blood or fog be drawn to outside, to facilitate cutting of the operator to tissue.
Preferably, ultrasound knife of the invention, energy converter further includes the second channel 33 for conveying cooling gas, second
Channel extends to the bottom surface of mobile jib from the upper surface of amplitude transformer, and second channel is connected by the second delivery outlet on bottom case with outside
It is logical, the second feed track 34 being connected with the second channel is provided on ultrasonic knife bar.
The setting of second channel enables doctor to cross when cutting to tissue and is conveyed by second channel at tissue
Cold source prevents heat overheat from having an impact to surrounding tissue, while promoting the cold of wound to carry out certain cooling to it
It is solidifying.
A kind of application method of above-mentioned ultrasound knife, when carrying out cutting operation to tissue, external cold source passes sequentially through the
Two delivery outlets, second channel and the second feed track are to by conveying cold source at cutting tissue.
Doctor can be crossed through second channel when cutting to tissue to conveying cold source at tissue, to carry out one to it
Fixed cooling prevents heat overheat from having an impact to surrounding tissue, while promoting the condensation of wound.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where spirit or essential attributes of the invention, those skilled in the art can realize this in other specific forms
Invention.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, the present invention
Protection scope be indicated by the appended claims rather than the foregoing description.
In addition, being not intended to restrict the invention the above is only the preferred embodiment of the present invention, it is noted that for this
For the those of ordinary skill of technical field, without departing from the technical principles of the invention, several improvement can also be made
And modification, these improvements and modifications also should be regarded as protection scope of the present invention.Although it will also be appreciated that this specification according to
Embodiment is described, and every embodiment includes only a single technical solution, this narration of specification
Mode is merely for the sake of clarity, and the skilled in the art should refer to the specification as a whole, the technology in each embodiment
Scheme may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
Claims (10)
1. a kind of ultrasound knife, trigger including handpiece, on front side of handpiece, positioned at handpiece top energy converter, set
In the inner tube of handpiece front end, in inner tube and ultrasonic knife bar that end is connect with energy converter output end, it is located at ultrasound knife
The cutter head of bar front end, the collet above cutter head, it is characterised in that：Being provided with below the cutter head can be along ultrasonic knife bar
The mobile shield of axis direction.
2. ultrasound knife according to claim 1, it is characterised in that：Cylinder, the cylinder are provided with below said inner tube
Cylinder body be fixedly installed on the lower surface of inner tube, the shield is fixedly installed on the piston rod of cylinder.
3. ultrasound knife according to claim 2, it is characterised in that：The cylinder body and said inner tube of the cylinder are integrally formed.
4. ultrasound knife according to claim 1, it is characterised in that：Slip pipe is provided on the lower surface of said inner tube, it is described
Slide bar is slidably provided in slip pipe, one end of the slide bar is equipped with handle, and the other end of slide bar is connect with the shield.
5. ultrasound knife according to claim 4, it is characterised in that：The front end of the handpiece is provided with by magnetic material system
At the first connector, the slip pipe is provided with the second connector made of magnetic material, the hand close to one end of handle
Handle is between the first connector and the second connector, and handle is made of iron material.
6. ultrasound knife according to claim 5, it is characterised in that：First connector and the second connector are by magnet
It is made.
7. ultrasound knife according to claim 1, it is characterised in that：The collet includes clamping plate and positioned at the upper of clamping plate two sides
Flap, is provided with teflon gasket on the bottom surface of the clamping plate, and the shield includes bottom plate and under bottom plate two sides
Flap, the upper surface of the bottom plate are provided with thermal insulation layer, and the collet and shield can surround to form accommodating chamber, the shield by
Transparent material is made.
8. ultrasound knife according to claim 1, it is characterised in that：The energy converter includes bottom case, and the bottom case is top
Tubular structure with opening is provided with mobile jib in bottom case, and working chamber is equipped between the bottom surface of the mobile jib and the bottom wall of bottom case,
It is provided with connecting rod on the top surface of mobile jib, amplitude transformer is provided with above connecting rod, connecting rod is stacked equipped with piezoelectric ceramics, the piezoelectricity
Ceramics stack the annular piezoelectric ceramics for including multiple sets on the connecting rod, and piezoelectric ceramics, which stacks, is located at the mobile jib and amplitude transformer
Between, locating slot is provided on the bottom surface of the amplitude transformer, the top of the connecting rod is located in the locating slot, amplitude transformer, pressure
Pile is folded and mobile jib on the outside of be additionally provided with the first layer of silica gel, the top of the amplitude transformer is provided with to be adapted to the ultrasonic knife bar
External screw thread, the energy converter further includes the first passage for attracting watery blood and smog, and the first passage is from the luffing
The upper surface of bar extends to the bottom surface of the mobile jib, is provided with micropump in the working chamber, the input terminal of the micropump with
The output end of the first passage connection, micropump is connected to by the first delivery outlet on bottom case with outside, the ultrasound knife bar
On be provided with the first feed track being connected to the first passage.
9. ultrasound knife according to claim 8, it is characterised in that：The energy converter further includes for conveying cooling gas
Second channel, the second channel extend to the bottom surface of the mobile jib from the upper surface of the amplitude transformer, and the second channel is logical
The second delivery outlet crossed on bottom case is connected to outside, and it is defeated to be provided with second be connected to the second channel on the ultrasound knife bar
It send.
10. a kind of application method of ultrasound knife as claimed in claim 8, it is characterised in that：It is cut to tissue
It is cold to being conveyed at cutting tissue to pass sequentially through the second delivery outlet, second channel and the second feed track for external cold source when operation
Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775640.8A CN108836435B (en) | 2018-07-16 | 2018-07-16 | Ultrasonic knife and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775640.8A CN108836435B (en) | 2018-07-16 | 2018-07-16 | Ultrasonic knife and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108836435A true CN108836435A (en) | 2018-11-20 |
| CN108836435B CN108836435B (en) | 2020-05-15 |
Family
ID=64197522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810775640.8A Active CN108836435B (en) | 2018-07-16 | 2018-07-16 | Ultrasonic knife and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108836435B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004041780A (en) * | 2003-10-27 | 2004-02-12 | Olympus Corp | Ultrasonic cutting and coagulation device |
| US20160206342A1 (en) * | 2010-02-11 | 2016-07-21 | Ethicon Endo-Surgery, Llc | Ultrasonic surgical instruments with rotatable blade and hollow sheath arrangements |
| CN107007370A (en) * | 2017-05-23 | 2017-08-04 | 乔元秀 | Multi-functional dental body processing unit |
| CN107809975A (en) * | 2015-06-15 | 2018-03-16 | 伊西康有限责任公司 | For dissecting the apparatus and method with solidified structure |
-
2018
- 2018-07-16 CN CN201810775640.8A patent/CN108836435B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004041780A (en) * | 2003-10-27 | 2004-02-12 | Olympus Corp | Ultrasonic cutting and coagulation device |
| US20160206342A1 (en) * | 2010-02-11 | 2016-07-21 | Ethicon Endo-Surgery, Llc | Ultrasonic surgical instruments with rotatable blade and hollow sheath arrangements |
| CN107809975A (en) * | 2015-06-15 | 2018-03-16 | 伊西康有限责任公司 | For dissecting the apparatus and method with solidified structure |
| CN107007370A (en) * | 2017-05-23 | 2017-08-04 | 乔元秀 | Multi-functional dental body processing unit |
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| Publication number | Publication date |
|---|---|
| CN108836435B (en) | 2020-05-15 |
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