CN105310746B - Ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect - Google Patents
Ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect Download PDFInfo
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- CN105310746B CN105310746B CN201510434021.9A CN201510434021A CN105310746B CN 105310746 B CN105310746 B CN 105310746B CN 201510434021 A CN201510434021 A CN 201510434021A CN 105310746 B CN105310746 B CN 105310746B
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- cutter head
- ultrasonic
- surgical blade
- haemostatic effect
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- 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)
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of while improve the ultrasonic surgical blade of cutting and haemostatic effect, it includes sequentially connected piezoelectric ceramic body, ultrasonic transformer and cutter head from far near, beveling groove is equipped with the near-end leading portion of ultrasonic transformer, and the cutter head front end is equipped with and laterally splits mouth, the cutter head is into two pieces.The compressional vibration of transducer is changed into complex vibration of the cutter head front end with lateral vibration component by the cutter head and ultrasonic transformer.Beneficial effects of the present invention are embodied in：Perpendicular to the ultrasonic vibration more effectively solidificating blood of cut surface, and sharp blade at the same time can be with fly-cutting, this compensate for the cutting of conventional ultrasound longitudinal vibration scalpel and the defects of hemostasis must have been accepted or rejected；Described makes cutter head front end oscillation crosswise partial enlargement with the cutter head for splitting mouth, so the efficiency of overall ultrasonic vibration system is also improved.
Description
Technical field
The present invention relates to a kind of medical equipment and its method, and in particular to a kind of ultrasonic surgical blade.
Background technology
Ultrasonic surgical blade is on a large scale using history more than 20 years existing, and compared with other operation methods, its advantage is：Production
Raw smog is few, and surgical field of view is clear, and fire damage is small, has tissue cutting, solidification and separated effect concurrently, and accurately control cutting
And freezing range, the possibility of no electric injury, quick oscillation have self purification, the bonding of knife and tissue will not occur.
The currently used ultrasonic surgical blade for cutting blood coagulation has two kinds of base models：One kind be with sharp keen, plane,
The chip knife of dull face blade, a kind of is the scissors knife with clamping function.Sharp keen face is used for fly-cutting, and plane or dull face are used
In hemostasis；Scissors knife is usually blunt mouth, and hemostasis, tissue degeneratiaon are first, are then easy to pinch off.In answering for current ultrasonic surgical blade
In, cutting and hemoglutination are a pair of contradictory bodies, it is necessary to balance：Sharp keen cutter head cutting is fast but coagulating effectiveness is poor, and blunt knife head adds
Pressure blood coagulation is good but cutting speed is relatively generated heat slowly and after handle long-time use.
Research shows that, when cutter head ultrasonic vibration direction is perpendicular to injected organism tissue face, haemostatic effect is good.And at present on the market
Common ultrasonic vibration system is compressional vibration pattern, and cutter head vibration is oriented parallel to injected organism tissue face.It is above-mentioned existing in order to solve
The defects of with the presence of technology, the present invention come therefrom.
The content of the invention
First aspect technical problem to be solved by this invention is to provide a kind of cutting soon and with good thrombogenic super
Sound scalpel, it effectively can produce oscillation crosswise in knife head for surgical front end.
To solve the technical problem of above-mentioned first aspect, the present invention provides a kind of while improves the super of cutting and haemostatic effect
Sound scalpel, it is characterised in that it includes sequentially connected piezoelectric ceramic body, ultrasonic transformer and cutter head from far near, in the change
The near-end leading portion of width bar is equipped with beveling groove, and the cutter head front end is equipped with and laterally splits mouth, and the cutter head is into two pieces, so that
Cutter head front end produces the complex vibration of extensional vibration and oscillation crosswise.
In the optimal technical scheme of the present invention, mouthful length of splitting is more than 5 millimeters.
In the optimal technical scheme of the present invention, the mouth of splitting is located on cutter head center line, or deviates cutter head center line.
In the optimal technical scheme of the present invention, and at least one side edge of the cutter head front end is equipped with blade.
In the optimal technical scheme of the present invention, scissors knife is formed plus clamping limb in a blade sides of cutter head.
In the optimal technical scheme of the present invention, the ultrasonic transformer leading portion is cylindrical structure, in the cylindrical type knot
At least one beveling groove of particular geometric parameter is offered on structure, the angle of the beveling groove and the central shaft of ultrasonic transformer leading portion exists
It is preferably 60 ° -75 ° between 25 ° -75 °, more preferably 70 ° -75 °.
In the optimal technical scheme of the present invention, the beveling groove is simply one-dimensional grooving, that is, processing cart
Knife is only mobile on an axis, and each grooving trend so formed is single straight line, and the bottom of each grooving is one
In a plane.
In the optimal technical scheme of the present invention, the distal end of the cutter head connects the ultrasonic transformer near-end by fine thread
Leading portion.
In the optimal technical scheme of the present invention, ultrasonic transformer distal end back segment connects piezoelectric ceramics by fine thread
Body.
The ultrasonic surgical blade of the present invention is compared with the extensional vibration ultrasonic surgical blade of the prior art, beneficial effects of the present invention body
Now：
(1) present invention is equipped with beveling groove by setting ultrasonic transformer leading portion, and cutter head front end is equipped with and laterally splits mouth by cutter head point
Into two panels, the twisting vibration R (Fig. 3) of cutter head rear end is converted to the complex vibration F1 and F2 for containing oscillation crosswise in cutter head front end,
Effectively to produce oscillation crosswise in knife head for surgical front end.
(2) it is amplification enhancing oscillation crosswise that cutter head of the invention, which sets the purpose for splitting mouth, can split mouth by adjusting cutter head
Length, can make oscillation crosswise obtain controllable amplification, be improved the efficiency of whole vibrational system and reduce handle it is long when
Between temperature after use.
(3) scalpel of the invention is while having sharp keen blade fly-cutting, due to the transverse direction perpendicular to tissue section
Ultrasonic vibration, improves haemostatic effect.
Brief description of the drawings
Fig. 1 is the attachment structure schematic diagram of one embodiment of ultrasonic surgical blade of the present invention.
Fig. 2 is one example structure schematic diagram of ultrasonic surgical blade ultrasonic transformer of the present invention.
Fig. 3 is one example structure schematic diagram of cutter head of ultrasonic surgical blade of the present invention.
Fig. 4 is the another side schematic diagram of Fig. 3.
Fig. 5 is cutter head rear end (distal end) cross section structure schematic diagram.
Fig. 6 is cutter head front end (near-end) cross section structure schematic diagram.
Wherein, 500 fastening bolt；400 back-end blocks；300 piezoelectric ceramic bodies；
100 ultrasonic transformers；110 ultrasonic transformer near-end leading portions；120 ultrasonic transformer distal end back segments；101 beveling grooves；103 (ultrasonic transformer is near
End) tapped blind hole；102 (ultrasonic transformer distal end) tapped blind holes；
200 cutter heads；201 split mouth；202,203 blades；204 blades；205 (cutter head distal end) tapped blind holes.
F1, F2 complex vibration；R twisting vibrations.
Embodiment
The present invention will be described in more detail with reference to the accompanying drawings and examples.
A kind of ultrasonic surgical blade as shown in Figure 1, it includes sequentially connected fastening bolt 500, back-end block from far near
400th, piezoelectric ceramic body 300, ultrasonic transformer 100 and cutter head 200, are equipped with beveling groove 101, and knife on ultrasonic transformer near-end leading portion 110
Head leading portion, which has, laterally splits mouth 201, by cutter head blade 202,203 into two pieces.And at least one side edge of the cutter head front end is set
There is blade 204.In technical scheme, ultrasonic transformer near-end leading portion is equipped with beveling groove 101, and passes through screw thread and piezoelectric ceramics
Body 300 is secured together to, and it is compound with reverse composition that the compressional vibration of 300 part of piezoelectric ceramic body is converted to ultrasonic transformer front end
Vibration, the present invention further, set in cutter head 200 (Fig. 3) front end and split mouth 201, front end is divided into two blades 202 and 203, is passed through
100 front end of ultrasonic transformer is threadedly coupled to, the most at last twisting vibration R (Fig. 3) of cutter head rear end is converted to cutter head front end and contains transverse direction
The complex vibration F1 and F2 of vibration, and direction is opposite.
In the preferred embodiment of the present invention, laterally split 201 length of mouth and be more than 5mm, be preferably 5-20mm, more preferably
10-15mm。
In the preferred embodiment of the present invention, laterally split mouth 201 to be located on cutter head center line, or deviate in cutter head
Line.And split a mouthful axial direction for extending direction less parallel cutter head.It is that amplification strengthens oscillation crosswise, Ke Yitong that cutter head, which sets the purpose for splitting mouth,
The length that adjustment cutter head splits mouth is crossed, oscillation crosswise can be made to obtain controllable amplification, put forward the efficiency of whole vibrational system
It is high and reduce the temperature after handle long-time use.
In the preferred embodiment of the present invention, scissors can also be formed plus clamping limb in a blade sides of cutter head
Knife.
In the preferred embodiment of the present invention, the ultrasonic transformer leading portion is cylindrical structure, in the cylindrical structure
On offer at least one beveling groove of particular geometric parameter, the angle of the beveling groove and the central shaft of ultrasonic transformer leading portion 25 °-
It it is preferably 70 ° -75 ° between 75 °.
In the preferred embodiment of the present invention, the distal end of cutter head connects the ultrasonic transformer near-end leading portion by fine thread.
Specifically, its connection mode can have several：Tapped blind hole 205 is set in the distal center of cutter head, in ultrasonic transformer leading portion near-end
Tapped blind hole 103 is equipped with 110, both are closely connected by another attachment screw or connecting stud；The second way is,
Tapped blind hole is equipped with the distal center of cutter head, is internally provided with a connecting stud in ultrasonic transformer near-end leading portion, both pass through thin spiral shell
Line connects；The third mode is to be equipped with tapped blind hole in the distal center of cutter head, and a raised spiral shell is set in ultrasonic transformer near-end leading portion
Column, it is engaged with blind hole, both are connected by fine thread.Certainly other engagement threads can also be used to connect, or other
Connection mode, purpose are provided to ensure ultrasonic transformer and the seamless cooperation of cutter head, reduce loss of the energy in junction, ensure energy
Equilibrium is transmitted.
In the preferred embodiment of the present invention, ultrasonic transformer distal end back segment connects piezoelectric ceramic body by fine thread.
One of its implementation is to offer tapped blind hole at ultrasonic transformer distal end back segment center, be threadedly coupled the output of piezoelectric ceramic body
End, to ensure balancing energy transmission, reduce energy loss.
In the present invention, ultrasonic transformer is preferably stepped cylinder, and connecting stud is set in its leading portion near-end and is used to be threadedly coupled
The tapped blind hole of cutter head distal end, ensures ultrasonic transformer and the seamless cooperation of cutter head, reduces loss of the energy in junction.
In the embodiment of the present invention, ultrasonic transformer 100 is stepped cylinder, includes the ultrasonic transformer near-end leading portion of cylindrical type
110 small ends, and 120 big end of cylindrical type ultrasonic transformer distal end back segment, are equipped with least one beveling groove on 110 small end of near-end leading portion
101.Certain ultrasonic transformer 100 can also be the compound ultrasonic transformer of circular cone-cylinder, or well known to a person skilled in the art it
His complex horn, including but it is not limited to the combination of the types such as ladder, index, catenary, circular cone, Gauss, Fourier, cosine
The compound ultrasonic transformer of type.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention simply illustrates the present invention described in examples detailed above and specification from the limitation of examples detailed above
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its is equal
Thing defines.
Claims (10)
1. ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect, it is characterised in that it includes successively connecting from far near
Piezoelectric ceramic body, ultrasonic transformer and the cutter head connect, is equipped with beveling groove, and the cutter head front end on the near-end leading portion of the ultrasonic transformer
Mouth is split equipped with horizontal, the cutter head is into two pieces, so that cutter head front end produces the complex vibration of extensional vibration and oscillation crosswise.
2. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that described to split
Mouth length is more than 5 millimeters.
3. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that described to split
Mouth is located on cutter head center line, or deviates cutter head center line.
4. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that and it is described
At least one side edge of cutter head front end is equipped with blade.
5. ultrasonic surgical blade that is according to claim 4 while improving cutting and haemostatic effect, it is characterised in that in cutter head
A blade sides plus clamping limb formed scissors knife.
6. improving the ultrasonic surgical blade of cutting and haemostatic effect at the same time according to claim 1-5 any one of them, its feature exists
In the ultrasonic transformer leading portion is cylindrical structure, and at least one of particular geometric parameter is offered on the cylindrical structure
Groove is chamfer, the angle of the central shaft of the beveling groove and ultrasonic transformer leading portion is between 25 ° -75 °.
7. ultrasonic surgical blade that is according to claim 6 while improving cutting and haemostatic effect, it is characterised in that described
It is simple one-dimensional grooving to chamfer groove, that is, processing lathe tool is only mobile on an axis, and what is so formed each one-dimensional cuts
Groove trend is single straight line, and the bottom of each one-dimensional grooving is in one plane.
8. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that the knife
The distal end of head is threadedly attached to ultrasonic transformer near-end leading portion.
9. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that ultrasonic transformer
Distal end back segment is threadedly attached to piezoelectric ceramic body.
10. ultrasonic surgical blade that is according to claim 1 while improving cutting and haemostatic effect, it is characterised in that described
Ultrasonic transformer is stepped cylinder, or compound for circular cone-cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434021.9A CN105310746B (en) | 2015-07-22 | 2015-07-22 | Ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510434021.9A CN105310746B (en) | 2015-07-22 | 2015-07-22 | Ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105310746A CN105310746A (en) | 2016-02-10 |
| CN105310746B true CN105310746B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510434021.9A Active CN105310746B (en) | 2015-07-22 | 2015-07-22 | Ultrasonic surgical blade that is a kind of while improving cutting and haemostatic effect |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106344120A (en) * | 2016-10-25 | 2017-01-25 | 厚凯（天津）医疗科技有限公司 | Torsional vibration type ultrasonic scalpel system |
| CN107928784A (en) * | 2017-12-07 | 2018-04-20 | 北京水木天蓬医疗技术有限公司 | A kind of ultrasound cutter head, ultrasound pass shake component and ultrasound hemostasis and diced system |
| US20200022720A1 (en) * | 2017-12-07 | 2020-01-23 | Beijing Smtp Technology Co., Ltd. | Ultrasonic scalpel bit, ultrasonic vibration propagation assembly and ultrasonic hemostasis and cutting system |
| EP3856050B1 (en) * | 2018-09-24 | 2024-05-01 | Bosonic AG | Device for perforating a dense bone layer |
| CN109199529A (en) * | 2018-09-27 | 2019-01-15 | 江苏大学附属医院 | A kind of surface of a wound rotary-cut cleaning plant of flexible knife bar |
| CN110141308B (en) * | 2019-05-10 | 2021-08-27 | 天津大学 | Ultrasonic knife with enhanced hemostatic ability |
| CN113598889B (en) * | 2021-07-23 | 2023-11-03 | 北京航空航天大学 | Ultrasonic tissue cutting knife |
| WO2023216778A1 (en) * | 2022-05-11 | 2023-11-16 | 北京水木天蓬医疗设备有限公司 | Medical ultrasonic scalpel , medical ultrasonic scalpel system, and robot-assisted ultrasonic scalpel system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003030754A1 (en) * | 2001-10-11 | 2003-04-17 | Tyco Healthcare Group Lp | Long ultrasonic cutting blade formed of laminated smaller blades |
| US7645256B2 (en) * | 2004-08-12 | 2010-01-12 | Alcon, Inc. | Ultrasound handpiece |
| US20100168741A1 (en) * | 2008-12-29 | 2010-07-01 | Hideo Sanai | Surgical operation apparatus |
| JP6141258B2 (en) * | 2011-04-28 | 2017-06-07 | エシコン・エンド−サージェリィ・インコーポレイテッドＥｔｈｉｃｏｎ Ｅｎｄｏ−Ｓｕｒｇｅｒｙ，Ｉｎｃ． | Ultrasonic equipment for cutting and coagulation |
| DE102012200666B4 (en) * | 2012-01-18 | 2014-09-11 | Söring GmbH | Sonotrode, surgical instrument with a sonotrode and production method for a sonotrode |
| US10238416B2 (en) * | 2012-04-30 | 2019-03-26 | Ethicon Llc | Ultrasonic device for cutting and coagulating |
| CN102697569B (en) * | 2012-05-31 | 2015-05-13 | 浙江工业大学 | Ultrasonic bone knife head for tooth implantation |
| JP5831412B2 (en) * | 2012-09-14 | 2015-12-09 | コニカミノルタ株式会社 | Information sharing system, shared terminal, and shared control program |
| CN104161619A (en) * | 2014-09-10 | 2014-11-26 | 以诺康医疗科技（苏州）有限公司 | Ultrasonic handle generating twisting vibration |
| CN204814075U (en) * | 2015-07-22 | 2015-12-02 | 以诺康医疗科技（苏州）有限公司 | Improve cutting and hemostatic effect's supersound scalpel simultaneously |
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2015
- 2015-07-22 CN CN201510434021.9A patent/CN105310746B/en active Active
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| CN105310746A (en) | 2016-02-10 |
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