CN102715935A - Ultrasonic scalpel - Google Patents
Ultrasonic scalpel Download PDFInfo
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- CN102715935A CN102715935A CN2012102357936A CN201210235793A CN102715935A CN 102715935 A CN102715935 A CN 102715935A CN 2012102357936 A CN2012102357936 A CN 2012102357936A CN 201210235793 A CN201210235793 A CN 201210235793A CN 102715935 A CN102715935 A CN 102715935A
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- handle
- steel wire
- cutter head
- spanner
- locking
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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 the scalpel technical field, relate to a kind of ultrasonic operation cutter in particular.
Background technology
The conventional surgical cutter is made up of handle of a knife and blade, uses sharp blade to cut human cell tissue in the operation process, and blade all is disposable; The conventional surgical knife structure is simple, low price, use very extensively, but the conventional surgical cutter is in the cutting human cell tissue; Its cutting effect is poor, often need repeatedly cut in order to reach cutting effect, is unfavorable for the healing of wound; And amount of bleeding is bigger in the cutting process, so electrosurgical has just been arranged; Electrosurgical can apply high frequency electric to human body, and the Joule heat that load that produce this moment or contact are conflicted and produced makes its vaporization with instantaneous heating cell tissue; The final cell tissue of cutting can also be solidified the sealing again of organizing of cutting through making cell water evaporates, solidifying protein simultaneously; For example the patent No. is that the Chinese utility model patent of ZL200820233189.9 just discloses a kind of modified model electrosurgical, mainly comprises handle of a knife, cutter head, attraction pipe clamp, handle of a knife and cutter head; The movable fixed connection, the middle part is provided with attraction pipe clamp, the two fixed connection on handle of a knife; Because the middle part is provided with the attraction pipe clamp on handle of a knife, can directly suction catheter be stuck on the attraction pipe clamp like this, realized that a people performs the operation and the smoking mist is operated synchronously; Improved the safety of operation technique, reduced medical tangle, and had simple in structure; Easy to use, advantage such as with low cost.But electrosurgical has eschar to produce in the incising cell tissue, is unfavorable for the answer of wound, in operation process, can produce smog simultaneously, even handle through smoking, can not eliminate fully, blocks doctor's sight line easily.
Summary of the invention
The objective of the invention is weak point to prior art; A kind of ultrasonic operation cutter is provided, and the weak point that it can overcome prior art overcomes because the ultrasonic energy decay that bending part causes; Guaranteed cutting effect, realized that two bending sections can be by same device locking.
In order to solve the problems of the technologies described above; Technical scheme of the present invention is following: a kind of ultrasonic operation cutter comprises handle, intermediate bar, is installed in rear curved connecting portion, the rigidity knife bar, the cutter head that are connected with said intermediate bar between said handle and the said intermediate bar and is installed in the front curve connecting portion between said rigidity knife bar and the said cutter head; Four transmission steel wires that said front curve, palintrope pars convoluta include a plurality of articular sclerites, said a plurality of articular sclerites are together in series; Said transmission steel wire one end is fixedly connected with said cutter head; The other end is fixedly connected with said handle; Said intermediate bar is provided with a cavity volume, piezoelectric transducer is installed in the said cavity volume, is positioned at the tail mass of said piezoelectric transducer rear end, and said intermediate bar is connected with said rigidity knife bar through the ultrasound wave amplifier; Said ultrasound wave amplifier has a intercommunicating pore that said cavity volume and said intermediate bar are coupled together, said intercommunicating pore for from after the taper hole that diminishes gradually of diameter forward; Said intermediate bar is provided with the locking device that after said front curve connecting portion, the bending of rear curved connecting portion, its angle of bend is maintained.
As preferably; Said locking device comprises locking nut, a plurality of flexible locking piece; Said flexible locking piece has the transmission steel wire that can make said transmission steel wire pass through and the hole, and said handle has locking hole, and what said a plurality of flexible locking pieces were arranged side by side is arranged in the said locking hole; Said handle and corresponding position, said locking hole position have the taper thread section, and said locking nut is screwed onto on the said taper thread section.
As preferably, said flexible locking piece is 3-10.
As preferably, said transmission steel wire and said transmission steel wire are through there being the gap of 0.05-0.1mm between the hole.
As preferably; Also be equipped with one on the said handle and drive bending apparatus; The said bending apparatus that drives comprises the crank that is hinged on the said handle, is fixed on latch, the locking steel wire on the said ultrasound wave amplifier and is installed in the rotating shaft on the said handle; Said locking steel wire one end is fixed on the said crank, and the other end is walked around said rotating shaft and is fixedly connected with said latch, and the locking steel wire that has locking steel wire on the flexible locking piece passes through the hole.
As preferably, the disk of said flexible locking piece for processing 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 the said canned paragraph, the hang plate that is hinged on the auxilliary cutter head on the said canned paragraph and is connected with said auxilliary cutter head; Be provided with a plunger shaft in the said handle; One piston is installed in the said plunger shaft, and said piston is connected with said hang plate through opening and closing steel wire; Be hinged with a spanner on the said handle, said spanner is connected with said piston through connecting plate.
As preferably, said spanner is hinged on the said handle through the spanner rotating shaft, is set with a spanner torsion spring in the said spanner rotating shaft, and said spanner torsion spring one end acts on the said spanner, and the other end acts on the said handle.
As preferably, said ultrasound wave amplifier front end has the extension that stretches in the said rigidity knife bar, and the outer surface of said extension is uniformly distributed with a plurality of dops, and said rigidity knife bar is provided with the hole clipping that a plurality of and said dop matches; Said operator head is provided with a plurality of main teeth; Said auxilliary cutter head is hinged on the said canned paragraph through the cutter head pin; And said auxilliary cutter head is provided with the auxilliary teeth that a plurality of and said main teeth are meshed; Be set with a cutter head torsion spring on the said cutter head pin, said cutter head torsion spring one end acts on the auxilliary cutter head, and the other end acts on the said canned paragraph; Said crank is hinged on the said handle through the crank pin, and said crank-pin nails on and is with a crank torsion spring, and said crank torsion spring one end acts on the said crank, and the other end acts on the said handle; Said transmission steel wire and said transmission steel wire are through there being the gap of 0.05mm between the hole.
As preferably, the density of said tail mass is greater than 6.4g/cm
3
Beneficial effect of the present invention is:
1) but ultrasonic surgical blade of the present invention has turning performance, with respect to former ultrasonic surgical blade, have the ability of controlling more easily, increase the 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 has increased the tail mass at the piezoelectric transducer rear portion; Increased ultrasonic forward radiation ability; Increase the output density of supersonic operation, overcome because the ultrasonic energy decay that bending part causes has 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) bending section is controlled through driving bending apparatus before and after, realizes that one is driven bending apparatus and makes two bending sections can carry out bending.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further explanation:
Fig. 1 is the structural representation of invention;
Fig. 2 is the structural representation of flexible locking piece among the present invention;
Fig. 3 is dop and hole clipping connection layout among the present invention.
Among the figure:
The 1-handle, 101-locking hole, 102-taper thread section;
The 2-intermediate bar, the 201-cavity volume;
3-rear curved connecting portion;
4-rigidity knife bar, the 401-hole clipping;
5-cutter head, 501-canned paragraph, the 502-head of operating, 503-assists cutter head, 504-hang plate, 505-cutter head pin, 506-cutter head torsion spring;
The 6-front curve;
The 7-piezoelectric transducer;
8-ultrasound wave amplifier, 801-intercommunicating pore, 802-extension, 802a-dop;
The 9-locking device, the 901-locking nut, the 902-flexible locking piece, 903-transmission steel wire passes through the hole, the 904-through hole, the 905-locking steel wire passes through the hole;
10-drives bending apparatus, 1001-crank, 1002-latch, 1003-locking steel wire, 1004-rotating shaft, 1005-crank pin, 1006-crank torsion spring;
The 11-piston;
12-tail mass;
The 13-spanner;
The 14-connecting plate;
The rotating shaft of 15-spanner;
16-spanner torsion spring;
17-opens and closes steel wire;
The 18-articular sclerite;
19-transmission steel wire.
The specific embodiment
The following stated is merely preferred embodiment of the present invention, is not scope of the present invention is limited.
Embodiment; See accompanying drawing 1,2,3; A kind of ultrasonic operation cutter, comprise handle 1, intermediate bar 2, be installed in rear curved connecting portion 3, the rigidity knife bar 4 that is connected with intermediate bar 2, the cutter head 5 between handle 1 and the intermediate bar 2 and be installed in rigidity knife bar 4 and cutter head 5 between front curve connecting portion 6; Four transmission steel wires 19 that front curve 6, palintrope pars convoluta 3 include a plurality of articular sclerite 18, a plurality of articular sclerites 18 are together in series; Transmission steel wire 19 1 ends are fixedly connected with cutter head 5; The other end is fixedly connected with handle 1, about concrete structure, function and the implementation of front curve 6, palintrope pars convoluta 3, is that ZL200920202723.4, ZL200920202713.0 have detailed introduction in the patent No.; Be not described in detail in this; Intermediate bar 2 is provided with a cavity volume 201, piezoelectric transducer 7 is installed in the cavity volume 201, is positioned at the tail mass 12 of piezoelectric transducer 7 rear ends, and the density of tail mass 12 is greater than 6.4g/cm
3, can be bloom, copper billet etc., said tail mass 12 fits tightly with said piezoelectric transducer 7.Strengthen the effect of ultrasound wave to front transfer.
Intermediate bar 2 is connected with rigidity knife bar 4 through ultrasound wave amplifier 8, and ultrasound wave amplifier 8 has a intercommunicating pore 801 that cavity volume 201 and intermediate bar 2 are coupled together, intercommunicating pore 801 be from after the taper hole that diminishes gradually of diameter forward; Ultrasound wave amplifier 8 matches with tail mass 12; Feasible ultrasonic intensity to front transfer increases; To offset the crooked decay that produces, intermediate bar 2 is provided with the locking device 9 that after front curve connecting portion 6,3 bendings of rear curved connecting portion, its angle of bend is maintained.Locking device 9 comprises locking nut 901, a plurality of flexible locking piece 902, and flexible locking piece 902 is generally 3-10, and flexible locking piece 902 has the transmission steel wire that can make transmission steel wire 19 pass through and hole 903; Handle 1 has locking hole 101; A plurality of flexible locking piece 902 arranged side by side being arranged in the locking hole 101, handle 1 has taper thread section 102 with corresponding position, locking hole 101 position, and locking nut 901 is screwed onto on the taper thread section 102; And transmission steel wire 19 and transmission steel wire are through there being the gap of 0.05-0.1mm between the hole 903; Wherein, be best with 0.05mm, the disk of flexible locking piece 902 for processing by spring steel; Diameter is 10-15mm, and thickness is 0.5-1mm.
Like this, when locking nut 901 is locked at 102 last time of taper thread section, flexible locking piece 902 is under pressure, and makes the transmission steel wire through hole 903 gap smaller, and transmission steel wire 19 is pinned, and makes it and can not move, and reaches the purpose of pinning.
Also be equipped with one on the handle 1 and drive bending apparatus 10; Driving bending apparatus 10 comprises the crank 1001 that is hinged on the handle 1, is fixed on latch 1002, the locking steel wire 1003 on the ultrasound wave amplifier 8 and is installed in the rotating shaft 1004 on the handle 1; Locking steel wire 1,003 one ends are fixed on the crank 1001; The other end is walked around rotating shaft 1004 and is fixedly connected with latch 1002, and the locking steel wire that has locking steel wire 1003 on the flexible locking piece 902 is through hole 905.Cutter head 5 comprises canned paragraph 501, be fixed on operator 502 on the canned paragraph 501, be hinged on auxilliary cutter head 503 on the canned paragraph 501 and the hang plate 504 that is connected with auxilliary cutter head 503; Be provided with a plunger shaft 101 in the handle 1; One piston 11 is installed in the plunger shaft 101, and piston 11 is connected with hang plate 504 through opening and closing steel wire 17; Pass through for the ease of opening and closing steel wire 17, on flexible locking piece 902, have through hole 904, be hinged with a spanner 13 on the handle 1, spanner 13 is connected with piston 11 through connecting plate 14.Spanner 13 is hinged on the handle 1 through spanner rotating shaft 15, is set with a spanner torsion spring 16 in the spanner rotating shaft 15, and spanner torsion spring 16 1 ends act on the spanner 13, and the other end acts on the handle 1.After spanner 13 rotated, spanner torsion spring 16 can make it reset.
Ultrasound wave amplifier 8 front ends have the extension 802 that stretches in the rigidity knife bar 4, and the outer surface of extension 802 is uniformly distributed with a plurality of dop 802a, and rigidity knife bar 4 is provided with a plurality of hole clippings 401 that match with dop 802a; Dop 802a snaps in the hole clipping 401; Said dop 802a and said hole clipping quantity are 8-10, make ultrasound wave amplifier 8 and rigidity knife bar 4 fuse convenient disassembly; Operator 502 is provided with a plurality of main teeth; Auxilliary cutter head 503 is hinged on the canned paragraph 501 through cutter head pin 505, and auxilliary cutter head 502 is provided with the auxilliary teeth that a plurality of and main teeth are meshed, and cutter head is pinned and is set with a cutter head torsion spring 506 on 505; Cutter head torsion spring 506 1 ends act on the auxilliary cutter head 502, and the other end acts on the canned paragraph 501; Crank 1001 is hinged on the handle 1 through crank pin 1005, is with a crank torsion spring 1006 on the crank pin 1005, and crank torsion spring 1,006 one ends act on the crank 1001, and the other end acts on the handle 1; Transmission steel wire 19 and transmission steel wire are through there being the gap of 0.05mm between the hole 903, the diameter of transmission steel wire 19 is 1-3mm.
More than explanation only is to explanation of the present invention; Make enforcement this programme that those of ordinary skills can be complete; But be not limitation of the present invention; Those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this description, these all are not creative modifications.But as long as in claim scope of the present invention, all receive the protection of Patent Law.
Claims (10)
1. ultrasonic operation cutter, comprise handle (1), intermediate bar (2), be installed in rear curved connecting portion (3), the rigidity knife bar (4) that is connected with said intermediate bar (2), the cutter head (5) between said handle (1) and the said intermediate bar (2) and be installed in said rigidity knife bar (4) and said cutter head (5) between front curve connecting portion (6); Four transmission steel wires (19) that said front curve (6), palintrope pars convoluta (3) include a plurality of articular sclerites (18), said a plurality of articular sclerites (18) are together in series; Said transmission steel wire (19) one ends are fixedly connected with said cutter head (5); The other end is fixedly connected with said handle (1); It is characterized in that: said intermediate bar (2) is provided with a cavity volume (201); Piezoelectric transducer (7) is installed in the said cavity volume (201), is positioned at the tail mass (12) of said piezoelectric transducer (7) rear end; Said intermediate bar (2) is connected with said rigidity knife bar (3) through ultrasound wave amplifier (8); Said ultrasound wave amplifier (8) has a intercommunicating pore (801) that said cavity volume (201) and said intermediate bar (2) are coupled together, said intercommunicating pore (801) for from after the taper hole that diminishes gradually of diameter forward; Said intermediate bar (2) is provided with the locking device (9) that after said front curve connecting portion (6), rear curved connecting portion (3) bending, its angle of bend is maintained.
2. a kind of ultrasonic operation cutter according to claim 1; It is characterized in that: said locking device (9) comprises locking nut (901), a plurality of flexible locking piece (902); Said flexible locking piece (902) has the transmission steel wire that can make said transmission steel wire (19) pass through and hole (903); Said handle (1) has locking hole (101); What said a plurality of flexible locking piece (902) was arranged side by side is arranged in the said locking hole (101), and said handle (1) has taper thread section (102) with said locking hole (101) corresponding position, position, and said locking nut (901) is screwed onto on the said taper thread section (102).
3. a kind of ultrasonic operation cutter according to claim 2 is characterized in that: said flexible locking piece (902) is 3-10.
4. a kind of ultrasonic operation cutter according to claim 3 is characterized in that: said transmission steel wire (19) and said transmission steel wire are through there being the gap of 0.05-0.1mm between hole (903).
5. a kind of ultrasonic operation cutter according to claim 4; It is characterized in that: also be equipped with one on the said handle (1) and drive bending apparatus (10); The said bending apparatus (10) that drives comprises the crank (1001) that is hinged on the said handle (1), is fixed on latch (1002), the locking steel wire (1003) on the said ultrasound wave amplifier (8) and is installed in the rotating shaft (1004) on the said handle (1); Said locking steel wire (1003) one ends are fixed on the said crank (1001); The other end is walked around said rotating shaft (1004) and is fixedly connected with said latch (1002), and the locking steel wire that has locking steel wire (1003) on the flexible locking piece (902) is through hole (905).
6. a kind of ultrasonic operation cutter according to claim 5 is characterized in that: the disk of said flexible locking piece (902) for processing by spring steel, and diameter is 10-15mm, thickness is 0.5-1mm.
7. a kind of ultrasonic operation cutter according to claim 6; It is characterized in that: cutter head (5) comprises canned paragraph (501), is fixed on the operator head (502) on the said canned paragraph (501), the hang plate (504) that is hinged on the auxilliary cutter head (503) on the said canned paragraph (501) and is connected with said auxilliary cutter head (503); Be provided with a plunger shaft (101) in the said handle (1); One piston (11) is installed in the said plunger shaft (101), and said piston (11) is connected with said hang plate (504) through opening and closing steel wire (17); Be hinged with a spanner (13) on the said handle (1), said spanner (13) is connected with said piston (11) through connecting plate (14).
8. a kind of ultrasonic operation cutter according to claim 7; It is characterized in that: said spanner (13) is hinged on the said handle (1) through spanner rotating shaft (15); Be set with a spanner torsion spring (16) in the said spanner rotating shaft (15); Said spanner torsion spring (16) one ends act on the said spanner (13), and the other end acts on the said handle (1).
9. a kind of ultrasonic operation cutter according to claim 8; It is characterized in that: said ultrasound wave amplifier (8) front end has the extension (802) that stretches in the said rigidity knife bar (4); The outer surface of said extension (802) is uniformly distributed with a plurality of dops (802a), and said rigidity knife bar (4) is provided with the hole clipping (401) that a plurality of and said dop (802a) matches; Said operator head (502) is provided with a plurality of main teeth; Said auxilliary cutter head (503) is hinged on the said canned paragraph (501) through cutter head pin (505); And said auxilliary cutter head (502) is provided with the auxilliary teeth that a plurality of and said main teeth are meshed; Be set with a cutter head torsion spring (506) on the said cutter head pin (505), said cutter head torsion spring (506) one ends act on the auxilliary cutter head (502), and the other end acts on the said canned paragraph (501); Said crank (1001) is hinged on the said handle (1) through crank pin (1005); Be with a crank torsion spring (1006) on the said crank pin (1005); Said crank torsion spring (1006) one ends act on the said crank (1001), and the other end acts on the said handle (1); Said transmission steel wire (19) and said transmission steel wire are through there being the gap of 0.05mm between hole (903).
10. a kind of ultrasonic operation cutter according to claim 9 is characterized in that: the density of said 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 true CN102715935A (en) | 2012-10-10 |
| CN102715935B 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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| Country | Link |
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| CN (1) | CN102715935B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103735299A (en) * | 2014-02-06 | 2014-04-23 | 王新本 | Ceramic scalpel |
| CN105934954A (en) * | 2014-01-27 | 2016-09-07 | 奥林巴斯株式会社 | Laminated ultrasonic vibration device and ultrasonic medical apparatus |
| CN109223112A (en) * | 2018-08-14 | 2019-01-18 | 周建萍 | A kind of ultrasonic scalpel |
| CN112137685A (en) * | 2020-09-09 | 2020-12-29 | 苏州优脉瑞医疗科技有限公司 | High-stability ultrasonic knife handle instrument for surgical endoscopic surgery |
| CN113116510A (en) * | 2021-04-10 | 2021-07-16 | 中国人民解放军总医院第四医学中心 | Convenient integrated electric scalpel |
| WO2022253065A1 (en) * | 2021-06-02 | 2022-12-08 | 上海生知医疗科技有限公司 | Portable manual surgical 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105934954A (en) * | 2014-01-27 | 2016-09-07 | 奥林巴斯株式会社 | Laminated ultrasonic vibration device and ultrasonic medical apparatus |
| CN105934954B (en) * | 2014-01-27 | 2019-03-01 | 奥林巴斯株式会社 | Laminated type ultrasonic activation device and ultrasonic therapy device |
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| CN103735299B (en) * | 2014-02-06 | 2016-08-17 | 陈红 | A kind of ceramic scalpel |
| CN109223112A (en) * | 2018-08-14 | 2019-01-18 | 周建萍 | A kind of ultrasonic scalpel |
| CN112137685A (en) * | 2020-09-09 | 2020-12-29 | 苏州优脉瑞医疗科技有限公司 | High-stability ultrasonic knife handle instrument for surgical endoscopic surgery |
| 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 |
| CN113116510A (en) * | 2021-04-10 | 2021-07-16 | 中国人民解放军总医院第四医学中心 | Convenient integrated electric scalpel |
| 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 |
| WO2022253065A1 (en) * | 2021-06-02 | 2022-12-08 | 上海生知医疗科技有限公司 | Portable manual surgical robot |
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| Publication number | Publication date |
|---|---|
| CN102715935B (en) | 2014-04-09 |
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