CN102715935B - Ultrasonic scalpel - Google Patents
Ultrasonic scalpel Download PDFInfo
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- CN102715935B CN102715935B CN201210235793.6A CN201210235793A CN102715935B CN 102715935 B CN102715935 B CN 102715935B CN 201210235793 A CN201210235793 A CN 201210235793A CN 102715935 B CN102715935 B CN 102715935B
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- cutter head
- handle
- steel wire
- ultrasonic
- spanner
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Abstract
The invention discloses an ultrasonic scalpel. The ultrasonic scalpel comprises a handle, a middle rod, a rear bending connecting part, a rigid cutter bar, a cutter head and a front bending connecting part, wherein the rear bending connecting part is arranged between the handle and the middle rod; the rigid cutter bar is connected with the middle rod; the front bending connecting part is arranged between the rigid cutter bar and the cutter head; a front bending part and a rear bending part comprise a plurality of joint sheets and four transmission steel wires for connecting the plurality of joint sheets in series; the middle rod is provided with an accommodating cavity; a piezoelectric transducer is arranged in the accommodating cavity; a tail mass block is positioned at the rear end of the piezoelectric transducer; the middle rod is connected with the rigid cutter rod through an ultrasonic amplifier; and a locking device for maintaining the bending angle after the front bending connecting part and the rear bending connecting part are bent is arranged on the middle rod. According to the ultrasonic scalpel, the tail mass block is arranged on the rear part of the piezoelectric transducer, so the defect of ultrasonic energy attenuation caused by the bending parts is overcome and the cutting effect is guaranteed.
Description
Technical field
The present invention relates to scalpel technical field, relate in particular a kind of ultrasonic operation cutter.
Background technology
Traditional scalpel consists of handle of a knife and blade, in operation process, use sharp blade to cut human cell tissue, blade is all disposable, traditional scalpel structure is simple, low price, apply very extensive, but traditional scalpel is in cutting human cell tissue, its cutting effect is poor, in order to reach cutting effect, often need repeatedly to cut, be unfavorable for the healing of wound, and, in cutting process, amount of bleeding is larger, so just there has been electrosurgical, electrosurgical can apply high frequency electric to human body, the Joule heat that the load now producing or contact are conflicted and produced, instantaneous heating cell tissue is made to its vaporization, the final cell tissue of cutting, simultaneously can also be by cell moisture be evaporated, solidifying protein, the sealing again of organizing of cutting is solidified, the Chinese utility model patent that for example patent No. is ZL200820233189.9 discloses a kind of improved operation electrotome, mainly comprise handle of a knife, cutter head, attract pipe clamp, handle of a knife and cutter head, activity is fixedly connected with, upper middle part at handle of a knife is provided with attraction pipe clamp, the two is fixedly connected with, because the upper middle part at handle of a knife is provided with attraction pipe clamp, can directly suction catheter be stuck in like this and attract on pipe clamp, realized people's operation and smoking mist and synchronously operated, the safety that has improved operation technique, has reduced medical tangle, and has simple in structure, easy to use, the advantage such as with low cost.But electrosurgical has eschar to produce in incising cell tissue, is unfavorable for the reply of wound, in operation process, can produce smog simultaneously, even process by smoking, can not eliminate completely, easily block doctor's sight line.
Summary of the invention
The object of the invention is for the deficiencies in the prior art part, a kind of ultrasonic operation cutter is provided, and it can overcome the deficiencies in the prior art part, overcomes the ultrasonic energy decay causing due to bending part, guaranteed cutting effect, realized two bending sections and can be locked by same device.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows: a kind of ultrasonic operation cutter, comprises handle, intermediate bar, be arranged on rear crooked connecting portion, the rigidity knife bar, the cutter head that are connected with described intermediate bar between described handle and described intermediate bar and be arranged on the front curve connecting portion between described rigidity knife bar and described cutter head, described front curve, rear bending section includes a plurality of articular sclerites, four transmission steel wires that described a plurality of articular sclerites are together in series, described transmission steel wire one end is fixedly connected with described cutter head, the other end is fixedly connected with described handle, described intermediate bar is provided with a cavity volume, in described cavity volume, piezoelectric transducer is installed, be positioned at the tail mass of described piezoelectric transducer rear end, described intermediate bar is connected with described rigidity knife bar by ultrasonic amplifier, described ultrasonic amplifier has an intercommunicating pore that described cavity volume and described intermediate bar are coupled together, described intercommunicating pore is the taper hole that diameter diminishes gradually from back to front, described intermediate bar is provided with the locking device after described front curve connecting portion, rear crooked connecting portion bending, its angle of bend being maintained.
As preferably, described locking device comprises locking nut, a plurality of flexible locking piece, described flexible locking piece has the transmission steel wire that can make described transmission steel wire pass through and passes through hole, described handle has locking hole, what described a plurality of flexible locking piece was arranged side by side is arranged in described locking hole, described handle and corresponding position, described locking hole position have taper thread section, and described locking nut is screwed onto in described taper thread section.
As preferably, described flexible locking piece is 3-10.
As preferably, described transmission steel wire and described transmission steel wire are by there being the gap of 0.05-0.1mm between hole.
As preferably, on described handle, be also provided with one and drive bending apparatus, the described bending apparatus that drives comprises the crank that is hinged on described handle, is fixed on latch, the locking steel wire on described ultrasonic amplifier and is arranged on the rotating shaft on described handle, described locking steel wire one end is fixed on described crank, the other end is walked around described rotating shaft and is fixedly connected with described latch, and the locking steel wire that has locking steel wire on flexible locking piece passes through hole.
As preferably, the disk of described flexible locking piece for being made by spring steel, diameter is 10-15mm, thickness is 0.5-1mm.
As preferably, cutter head comprises canned paragraph, is fixed on the operator head on described canned paragraph, the hang plate that is hinged on the auxiliary cutter head on described canned paragraph and is connected with described auxiliary cutter head, in described handle, be provided with a plunger shaft, one piston is installed in described plunger shaft, and described piston is connected with described hang plate by opening and closing steel wire; On described handle, be hinged with a spanner, described spanner is connected with described piston by connecting plate.
As preferably, described spanner is hinged on described handle by spanner rotating shaft, is set with a spanner torsion spring in described spanner rotating shaft, and described spanner torsion spring one end acts on described spanner, and the other end acts on described handle.
As preferably, described ultrasonic amplifier front end has the extension stretching in described rigidity knife bar, the uniform a plurality of dops of outer surface of described extension, and described rigidity knife bar is provided with the hole clipping that a plurality of and described dop matches; Described operator head is provided with a plurality of main teeth, described auxiliary cutter head is hinged on described canned paragraph by cutter head pin, and described auxiliary cutter head is provided with the auxiliary teeth that a plurality of and described main teeth are meshed, on described cutter head pin, be set with a cutter head torsion spring, described cutter head torsion spring one end acts on auxiliary cutter head, and the other end acts on described canned paragraph; Described crank is hinged on described handle by crank pin, and described crank-pin nails on cover a crank torsion spring, and described crank torsion spring one end acts on described crank, and the other end acts on described handle; Described transmission steel wire and described transmission steel wire are by there being the gap of 0.05mm between hole.
As preferably, the density of described tail mass is greater than 6.4g/cm
3.
Beneficial effect of the present invention is:
1) have can turning performance for ultrasonic surgical blade of the present invention, with respect to former ultrasonic surgical blade, has the ability of controlling more easily, increases accuracy and the motility of doctor's operation.Avoided the dead band of operation technique to exist, always change the worries of apparatus with operation process, ultrasonic surgical blade of the present invention, at piezoelectric transducer rear portion, increased tail mass, increased ultrasonic forward radiation ability, increase the output density of supersonic operation, overcome the ultrasonic energy decay causing due to bending part, guaranteed cutting effect.
2) two of scalpel bending sections can be by same locking, and locking speed is fast, effective, has saved the operating time.
3) before and after, bending section is controlled by driving bending apparatus, realizes one and drives bending apparatus and make two bending sections can carry out bending.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structural representation of invention;
Fig. 2 is the structural representation of Elastic stay of the present invention;
Fig. 3 is dop and hole clipping connection layout in the present invention.
In figure:
1-handle, 101-locking hole, 102-taper thread section;
2-intermediate bar, 201-cavity volume;
Crooked connecting portion after 3-;
4-rigidity knife bar, 401-hole clipping;
5-cutter head, 501-canned paragraph, the 502-head of operating, the auxiliary cutter head of 503-, 504-hang plate, 505-cutter head pin, 506-cutter head torsion spring;
6-front curve;
7-piezoelectric transducer;
8-ultrasonic amplifier, 801-intercommunicating pore, 802-extension, 802a-dop;
9-locking device, 901-locking nut, 902-flexible locking piece, 903-transmission steel wire passes through hole, 904-through hole, 905-locking steel wire passes through hole;
10-drives bending apparatus, 1001-crank, 1002-latch, 1003-locking steel wire, 1004-rotating shaft, 1005-crank pin, 1006-crank torsion spring;
11-piston;
12-tail mass;
13-spanner;
14-connecting plate;
The rotating shaft of 15-spanner;
16-spanner torsion spring;
17-opens and closes steel wire;
18-articular sclerite;
19-transmission steel wire.
The specific embodiment
The following stated is only preferred embodiment of the present invention, not scope of the present invention is limited.
Embodiment, see accompanying drawing 1,2,3, a ultrasonic operation cutter, comprise handle 1, intermediate bar 2, be arranged on rear crooked connecting portion 3, the rigidity knife bar 4 being connected with intermediate bar 2, the cutter head 5 between handle 1 and intermediate bar 2 and be arranged on rigidity knife bar 4 and cutter head 5 between front curve connecting portion 6, front curve 6, rear bending section 3 includes a plurality of articular sclerites 18, four transmission steel wires 19 that a plurality of articular sclerites 18 are together in series, transmission steel wire 19 one end are fixedly connected with cutter head 5, the other end is fixedly connected with handle 1, about front curve 6, the concrete structure of rear bending section 3, function and implementation, in the patent No., be ZL200920202723.4, ZL200920202713.0 has detailed introduction, be not described in detail in this, intermediate bar 2 is provided with a cavity volume 201, piezoelectric transducer 7 is installed in cavity volume 201, be positioned at the tail mass 12 of piezoelectric transducer 7 rear ends, the density of tail mass 12 is greater than 6.4g/cm
3, can be bloom, copper billet etc., described tail mass 12 fits tightly with described piezoelectric transducer 7.Strengthen ultrasound wave to the effect of front transfer.
Intermediate bar 2 is connected with rigidity knife bar 4 by ultrasonic amplifier 8, and ultrasonic amplifier 8 has an intercommunicating pore 801 that cavity volume 201 and intermediate bar 2 are coupled together, and intercommunicating pore 801 is the taper hole that diameter diminishes gradually from back to front; Ultrasonic amplifier 8 and tail mass 12 match, making increases to the ultrasonic intensity of front transfer, to offset the crooked decay producing, intermediate bar 2 is provided with the locking device 9 after front curve connecting portion 6, rear crooked connecting portion 3 bendings, its angle of bend being maintained.Locking device 9 comprises locking nut 901, a plurality of flexible locking pieces 902, flexible locking piece 902 is generally 3-10, flexible locking piece 902 has and can make the transmission steel wire that transmission steel wire 19 passes through pass through hole 903, handle 1 has locking hole 101, what a plurality of flexible locking pieces 902 were arranged side by side is arranged in locking hole 101, handle 1 has taper thread section 102 with locking hole 101 corresponding positions, position, locking nut 901 is screwed onto in taper thread section 102, and transmission steel wire 19 and transmission steel wire are by there being the gap of 0.05-0.1mm between hole 903, wherein, take 0.05mm as best, the disk of flexible locking piece 902 for being made by spring steel, diameter is 10-15mm, thickness is 0.5-1mm.
Like this, when locking nut 901 is locked in taper thread section 102, flexible locking piece 902 is under pressure, and makes transmission steel wire by hole 903 gap smaller, and transmission steel wire 19 is pinned, and makes it to move, and reaches the object of pinning.
On handle 1, be also provided with one and drive bending apparatus 10, driving bending apparatus 10 comprises the crank 1001 that is hinged on handle 1, is fixed on latch 1002, the locking steel wire 1003 on ultrasonic amplifier 8 and is arranged on the rotating shaft 1004 on handle 1, locking steel wire 1003 one end are fixed on crank 1001, the other end is walked around rotating shaft 1004 and is fixedly connected with latch 1002, has the locking steel wire of locking steel wire 1003 by hole 905 on flexible locking piece 902.The hang plate 504 that cutter head 5 comprises canned paragraph 501, be fixed on operator on canned paragraph 501 502, be hinged on the auxiliary cutter head 503 on canned paragraph 501 and be connected with auxiliary cutter head 503, in handle 1, be provided with a plunger shaft 101, one piston 11 is installed in plunger shaft 101, and piston 11 is connected with hang plate 504 by opening and closing steel wire 17; For the ease of opening and closing steel wire 17, pass through, have through hole 904 on flexible locking piece 902, be hinged with a spanner 13 on handle 1, spanner 13 is connected with piston 11 by connecting plate 14.Spanner 13 is hinged on handle 1 by spanner rotating shaft 15, is set with a spanner torsion spring 16 in spanner rotating shaft 15, and spanner torsion spring 16 one end act on spanner 13, and the other end acts on handle 1.After spanner 13 rotates, spanner torsion spring 16 can make its reset.
More than explanation is only explanation of the invention, make those of ordinary skills' can completely implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this description, and these are all not creative modifications.But as long as within the scope of claim of the present invention, be all subject to the protection of Patent Law.
Claims (9)
1. a ultrasonic operation cutter, comprise handle (1), intermediate bar (2), be arranged on rear crooked connecting portion (3), the rigidity knife bar (4) being connected with described intermediate bar (2), the cutter head (5) between described handle (1) and described intermediate bar (2) and be arranged on described rigidity knife bar (4) and described cutter head (5) between front curve connecting portion (6), described front curve (6), rear bending section (3) includes a plurality of articular sclerites (18), four transmission steel wires (19) that described a plurality of articular sclerites (18) are together in series, described transmission steel wire (19) one end is fixedly connected with described cutter head (5), the other end is fixedly connected with described handle (1), it is characterized in that: described intermediate bar (2) is provided with a cavity volume (201), piezoelectric transducer (7) is installed in described cavity volume (201), be positioned at the tail mass (12) of described piezoelectric transducer (7) rear end, described intermediate bar (2) is connected with described rigidity knife bar (3) by ultrasonic amplifier (8), described ultrasonic amplifier (8) has an intercommunicating pore (801) that described cavity volume (201) and described intermediate bar (2) are coupled together, described intercommunicating pore (801) is the taper hole that diameter diminishes gradually from back to front, described intermediate bar (2) is provided with the locking device (9) after described front curve connecting portion (6), rear crooked connecting portion (3) bending, its angle of bend being maintained, described locking device (9) comprises locking nut (901), a plurality of flexible locking piece (902), described flexible locking piece (902) has and can make the transmission steel wire that described transmission steel wire (19) passes through pass through hole (903), described handle (1) has locking hole (101), what described a plurality of flexible locking piece (902) was arranged side by side is arranged in described locking hole (101), described handle (1) has taper thread section (102) with described locking hole (101) corresponding position, position, and described locking nut (901) is screwed onto in described taper thread section (102).
2. a kind of ultrasonic operation cutter according to claim 1, is characterized in that: described flexible locking piece (902) is 3-10.
3. a kind of ultrasonic operation cutter according to claim 2, is characterized in that: described transmission steel wire (19) and described transmission steel wire are by there being the gap of 0.05-0.1mm between hole (903).
4. a kind of ultrasonic operation cutter according to claim 3, it is characterized in that: on described handle (1), be also provided with one and drive bending apparatus (10), the described bending apparatus (10) that drives comprises the crank (1001) being hinged on described handle (1), be fixed on the latch (1002) on described ultrasonic amplifier (8), locking steel wire (1003) and be arranged on the rotating shaft (1004) on described handle (1), described locking steel wire (1003) one end is fixed on described crank (1001), the other end is walked around described rotating shaft (1004) and is fixedly connected with described latch (1002), on flexible locking piece (902), have the locking steel wire of locking steel wire (1003) by hole (905).
5. a kind of ultrasonic operation cutter according to claim 4, is characterized in that: described flexible locking piece (902) is the disk of being made by spring steel, and diameter is 10-15mm, and thickness is 0.5-1mm.
6. a kind of ultrasonic operation cutter according to claim 5, it is characterized in that: cutter head (5) comprises canned paragraph (501), is fixed on the operator head (502) on described canned paragraph (501), the hang plate (504) that is hinged on the auxiliary cutter head (503) on described canned paragraph (501) and is connected with described auxiliary cutter head (503), in described handle (1), be provided with a plunger shaft (101), one piston (11) is installed in described plunger shaft (101), and described piston (11) is connected with described hang plate (504) by opening and closing steel wire (17); On described handle (1), be hinged with a spanner (13), described spanner (13) is connected with described piston (11) by connecting plate (14).
7. a kind of ultrasonic operation cutter according to claim 6, it is characterized in that: described spanner (13) is hinged on described handle (1) by spanner rotating shaft (15), in described spanner rotating shaft (15), be set with a spanner torsion spring (16), it is upper that described spanner torsion spring (16) one end acts on described spanner (13), and the other end acts on described handle (1).
8. a kind of ultrasonic operation cutter according to claim 7, it is characterized in that: described ultrasonic amplifier (8) front end has the extension (802) stretching in described rigidity knife bar (4), the uniform a plurality of dops of outer surface (802a) of described extension (802), described rigidity knife bar (4) is provided with the hole clipping (401) that a plurality of and described dop (802a) matches; Described operator head (502) is provided with a plurality of main teeth, described auxiliary cutter head (503) is hinged on described canned paragraph (501) by cutter head pin (505), and described auxiliary cutter head (502) is provided with the auxiliary teeth that a plurality of and described main teeth are meshed, on described cutter head pin (505), be set with a cutter head torsion spring (506), it is upper that described cutter head torsion spring (506) one end acts on auxiliary cutter head (502), and the other end acts on described canned paragraph (501); Described crank (1001) is hinged on described handle (1) by crank pin (1005), the upper cover of described crank pin (1005) has a crank torsion spring (1006), it is upper that described crank torsion spring (1006) one end acts on described crank (1001), and the other end acts on described handle (1); Described transmission steel wire (19) and described transmission steel wire are by there being the gap of 0.05mm between hole (903).
9. a kind of ultrasonic operation cutter according to claim 8, is characterized in that: the density of described tail mass (12) is greater than 6.4g/cm
3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235793.6A CN102715935B (en) | 2012-07-10 | 2012-07-10 | Ultrasonic scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210235793.6A CN102715935B (en) | 2012-07-10 | 2012-07-10 | Ultrasonic scalpel |
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| Publication Number | Publication Date |
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| CN102715935A CN102715935A (en) | 2012-10-10 |
| CN102715935B true CN102715935B (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210235793.6A Active CN102715935B (en) | 2012-07-10 | 2012-07-10 | Ultrasonic scalpel |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6270506B2 (en) * | 2014-01-27 | 2018-01-31 | オリンパス株式会社 | Laminated ultrasonic vibration device and ultrasonic medical device |
| CN103735299B (en) * | 2014-02-06 | 2016-08-17 | 陈红 | A kind of ceramic scalpel |
| CN111281492A (en) * | 2018-08-14 | 2020-06-16 | 周建萍 | Ultrasonic scalpel |
| CN112137685B (en) * | 2020-09-09 | 2021-07-13 | 苏州优脉瑞医疗科技有限公司 | High-stability ultrasonic knife handle instrument for surgical endoscopic surgery |
| CN113116510B (en) * | 2021-04-10 | 2022-07-08 | 中国人民解放军总医院第四医学中心 | Convenient integrated electric scalpel |
| CN113171180B (en) * | 2021-06-02 | 2024-10-01 | 上海生知医疗科技有限公司 | Portable hand dynamic operation robot |
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|---|---|---|---|---|
| US6056735A (en) * | 1996-04-04 | 2000-05-02 | Olympus Optical Co., Ltd. | Ultrasound treatment system |
| US7052489B2 (en) * | 2003-12-05 | 2006-05-30 | Scimed Life Systems, Inc. | Medical device with deflecting shaft and related methods of manufacture and use |
| CN1875889A (en) * | 2006-05-18 | 2006-12-13 | 北京博达高科技有限公司 | A detachable cutting multipurpose scissors for surgical operation |
| CN101632849A (en) * | 2009-07-14 | 2010-01-27 | 张毓笠 | Ultrasonic debridement surgical system |
| CN201612638U (en) * | 2009-12-16 | 2010-10-27 | 余姚市柳叶刀医疗器械科技有限公司 | Minimally invasive instrument with rotatable wrist |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4300169B2 (en) * | 2004-09-10 | 2009-07-22 | アロカ株式会社 | Ultrasound surgical device |
| JP4497379B2 (en) * | 2006-08-23 | 2010-07-07 | 朝日インテック株式会社 | Medical treatment tool |
| US9220559B2 (en) * | 2010-09-24 | 2015-12-29 | Ethicon Endo-Surgery, Inc. | Articulation joint features for articulating surgical device |
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2012
- 2012-07-10 CN CN201210235793.6A patent/CN102715935B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056735A (en) * | 1996-04-04 | 2000-05-02 | Olympus Optical Co., Ltd. | Ultrasound treatment system |
| US7052489B2 (en) * | 2003-12-05 | 2006-05-30 | Scimed Life Systems, Inc. | Medical device with deflecting shaft and related methods of manufacture and use |
| CN1875889A (en) * | 2006-05-18 | 2006-12-13 | 北京博达高科技有限公司 | A detachable cutting multipurpose scissors for surgical operation |
| CN101632849A (en) * | 2009-07-14 | 2010-01-27 | 张毓笠 | Ultrasonic debridement surgical system |
| CN201612638U (en) * | 2009-12-16 | 2010-10-27 | 余姚市柳叶刀医疗器械科技有限公司 | Minimally invasive instrument with rotatable wrist |
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| CN102715935A (en) | 2012-10-10 |
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Address after: 313300 Zhejiang Shuyou instrument and Equipment Co., Ltd Patentee after: Zhejiang Shuyou instrument and Equipment Co.,Ltd. Address before: 313300 Zhejiang Shuyou instrument and Equipment Co., Ltd Patentee before: ZHEJIANG SHUYOU SURGICAL INSTRUMENT Co.,Ltd. |