CN209377682U - Tissue pad, clamp assemblies and ultrasound knife - Google Patents
Tissue pad, clamp assemblies and ultrasound knife Download PDFInfo
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- CN209377682U CN209377682U CN201821722036.0U CN201821722036U CN209377682U CN 209377682 U CN209377682 U CN 209377682U CN 201821722036 U CN201821722036 U CN 201821722036U CN 209377682 U CN209377682 U CN 209377682U
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- clamping part
- tissue pad
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- body portion
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Abstract
The utility model discloses a kind of tissue pads, clamp assemblies and ultrasound knife, it is related to ultrasonic surgery field of mechanical technique, wherein, the tissue pad has the first clamping part and the second clamping part, first clamping part and the second clamping part are formed in the same side of tissue pad, the surface of first clamping part and the second clamping part all has the monodentate of a plurality of solid matter, monodentate on first clamping part and the second clamping part is contrary and is partial to the junction of the first clamping part and the second clamping part, above structure can squeeze tissue to the middle part of tissue pad, prevent tissue to external diffusion so as to play, reach tightly grasping tissue, improve the effect of therapeutic effect.The utility model also provides a kind of clamp assemblies including tissue pad as described above, and the ultrasound knife including above-mentioned clamp assemblies.
Description
Technical field
The utility model relates to ultrasonic surgery field of mechanical technique, and specifically, the utility model relates to a kind of tissue pads, folder
Hold component and ultrasound knife.
Background technique
Currently, ultrasound knife (i.e. ultrasonic surgical blade) is a kind of novel surgical instruments, compared with traditional electric knife, with bright
Aobvious advantage, for example, accurate cutting, hemostasis, thermal damage is small, operating time is short, can be used for vitals, few smog and coke
Change, guarantee surgical procedure get a clear view, no current by human body, any substantive tissue other than bone tissue can be cut off etc..With
Ultrasound knife more and more used, it is also higher and higher to its performance requirement.
The clinical effectiveness of ultrasound knife is multidisciplinary synthesis effect as a result, be not only closely related with acoustic-electric, also with cutter head group
The mechanical clamping force of the machine driving of part, especially cutter head end therapentic part is related.Therefore, the clinical effect of ultrasound knife is improved
Fruit, not only will be from the acoustic performance of raising cutter head, but also constantly to promote the mechanical performance of cutter head assembly.
Ultrasound knife tissue pad is all carried out both at home and abroad to be continuously improved design, it is light that the design of tissue pad, which is generally head,
Sliding surface, tail portion part directly related with treatment part are band toothing, and band toothing is primarily to effectively grasp tissue.Head
Portion's smooth surface be in order to allow it is treated tissue to greatest extent with cutter head treatment part coupling.
But band toothing in the prior art can squeeze tissue when grasping tissue, make tissue to the front and back of cutter head two
End diffusion, is unfavorable for the cutting bleeding of tissue, surgical effect is caused to be deteriorated, be unfavorable for clinic.
Utility model content
There are structure improved tissue pad, clamp assemblies the technical problem to be solved by the present invention is to provide one kind and surpass
Sound knife can be such that the tissue grasped gathers to the position of cutter head treatment part, to improve surgical effect when grasping tissue.
To realize the above-mentioned technical purpose, the one aspect of the utility model discloses a kind of tissue pad, which has
First clamping part and the second clamping part, first clamping part and second clamping part are formed in the identical of the tissue pad
The surface of side, first clamping part and second clamping part obliquely extends outward the monodentate of a plurality of solid matter, described
Monodentate on first clamping part and second clamping part is contrary and is partial to the first clamping part and the second clamping part
Junction side.
Preferably, each monodentate of the first clamping part has first flank of tooth and second flank of tooth, first flank of tooth and described
Second flank of tooth intersection is the first tooth top, and first tooth top is partial to the junction of the first clamping part and the second clamping part;The
Each monodentate of two clamping parts has the third flank of tooth and the 4th flank of tooth, and the third flank of tooth and the 4th flank of tooth intersection are the
Two tooth tops, second tooth top are partial to the junction of the first clamping part and the second clamping part.
Preferably, the imaginary plane at place is the first crest top land at the top of multiple monodentates of first clamping part;Described
Imaginary plane where at the top of multiple monodentates of two clamping parts is the second crest top land, first crest top land and second tooth top
There is difference in height between face.
Preferably, first clamping part protrudes from described second close to the front end of tissue pad, first crest top land
Crest top land.
The another aspect of the utility model also discloses a kind of clamp assemblies, including tissue pad and clamping limb, clamping limb with
The tissue pad connection.
Preferably, which has clamping structure, and the clamping structure is located at the opposite side of first clamping part, institute
Stating clamping structure includes the first clamping portion and the second clamping portion, has the first clamping groove and the second clamping groove on the clamping limb,
First clamping groove and the limit of first clamping portion normal direction connect, and second clamping portion is with second clamping groove preceding
Rear direction limit connection.
Preferably, the section of first clamping portion is T-shaped.
Preferably, the junction of first clamping portion and second clamping portion forms first step structure, and described the
The junction of one clamping groove and second clamping groove forms second step structure, the first step structure with described second
Stage structure matches.
Preferably, the side of second clamping portion has second with the first protruding portion and the first recessed portion, the other side
Protruding portion and the second recessed portion, first depressed area are and described between first protruding portion and the ontology of tissue pad
First protruding portion protrudes from first recessed portion;Second depressed area is in the ontology of second protruding portion and tissue pad
Between, second protruding portion protrudes from second recessed portion.
Preferably, the side of second clamping groove has third with the first groove body portion and the second groove body portion, the other side
Groove body portion and the 4th groove body portion, second groove body portion is located at the outside in first groove body portion, and second groove body portion is prominent
For first groove body portion;The 4th groove body portion is located at the outside in third groove body portion, and the 4th groove body portion is prominent
For third groove body portion;First groove body portion is corresponding with first protruding portion, second groove body portion with it is described
First recessed portion is corresponding, and third groove body portion is corresponding with second recessed portion, and the 4th groove body portion is prominent with described second
Portion is corresponding out.
The another aspect of the utility model also discloses a kind of ultrasound knife, including clamp assemblies, which is articulated in
The front end of ultrasound knife.
The utility model has the following beneficial effects: the working surface of tissue pad has extending direction opposite and tooth top direction direction
Tissue can be squeezed to the middle part of tissue pad, prevent tissue outside so as to play by the tooth-shape structure in the middle part of tissue pad
Diffusion has the function that tightly to grasp tissue, improves therapeutic effect.The first crest top land positioned at cutter head front end protrudes from the second tooth
Top surface, tissue can effectively be clamped by being able to maintain the treatment part in surgical procedure along cutter head front end.The section of first clamping portion
It is T-shaped, correspondingly, the first clamping groove also has the section of T-type, to realize that the engaging with the first clamping portion of the first clamping groove connects
It connects, meanwhile, the second clamping portion and the second clamping groove are connected in front-rear direction by the limit of gradual change type structure, and the second clamping groove can
To the second clamping portion along tissue pad length direction and normal direction both direction on play position-limiting action, enable tissue pad
It is firmly fixed on clamping limb.
Detailed description of the invention
Fig. 1 instantiates open configuration schematic diagram in front end in the ultrasound knife of the utility model embodiment;
Fig. 2 instantiates closed state schematic diagram in front end in the ultrasound knife of the utility model embodiment.
Fig. 3 instantiates the structural schematic diagram of the clamp assemblies of the utility model embodiment;
When Fig. 4 instantiates clamp assemblies work, movement schematic diagram in extrusion process is organized;
Fig. 5 instantiates the schematic perspective view of the tissue pad of the utility model embodiment;
Fig. 6 instantiates the front view of the tissue pad of the utility model embodiment;
When Fig. 7 instantiates the clamp assemblies work of the utility model embodiment, tissue pad tail portion tooth-shape structure is to tissue
Mode of action schematic diagram;
When Fig. 8 instantiates the clamp assemblies work of the utility model embodiment, to the mode of action of tissue in the middle part of tissue pad
Schematic diagram;
Fig. 9 is the partial enlarged view I of Fig. 6, that is, the first clamping part and the second clamping part of a kind of embodiment of the utility model
Tooth-shape structure figure;
Figure 10 is also the partial enlarged view I of Fig. 6, that is, the first clamping part and second of the utility model another kind embodiment
The tooth-shape structure figure of clamping part;
Figure 11 is the A-A cross-sectional view of Fig. 6;
Figure 12 instantiates the schematic perspective view at a visual angle of the clamping limb of the utility model embodiment;
Figure 13 instantiates the schematic perspective view at another visual angle of the clamping limb of the utility model embodiment;
Figure 14 instantiates the schematic perspective view at another visual angle of the clamping limb of the utility model embodiment;
Figure 15 instantiates the signal of the connection structure in the clamp assemblies of the utility model embodiment between clamping limb and tissue pad
Figure;
Figure 16 is instantiated in the clamp assemblies of the utility model embodiment between the second clamping portion and the second clamping groove gradually
Variant attachment structure schematic diagram.
In figure,
1- tissue pad, the first clamping part of 11-, first flank of tooth of 111-, second flank of tooth of 112-, the first tooth top of 113-, 12- second
Clamping part, the 121- third flank of tooth, the 4th flank of tooth of 122-, the second tooth top of 123-, the first crest top land of P1-, the second crest top land of P2-, 13-
Clamping structure, the first clamping portion 131-, the second clamping portion 132-, the first protruding portion of 1321-, the first recessed portion of 1322-, 1323-
Second recessed portion, the second protruding portion of 1324-, 2- clamping limb, the first clamping groove of 21-, the second clamping groove of 22-, the first groove body of 221-
Portion, the second groove body of 222- portion, 223- third groove body portion, the 4th groove body portion 224-, 10- clamp assemblies, 20- sheath assembly, 30- knife
Head, 40- tissue, 100- ultrasound knife.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.
In the drawings and embodiments the use of element/component of same or like label is same or like for representing
Part.And attached drawing is only schematical, and element therein is not necessarily to perspec-tive.
Refering to what is shown in Fig. 1, the front end portion of ultrasound knife 100 mainly includes clamp assemblies 10, sheath assembly 20 and cutter head 30,
Wherein, clamp assemblies 10 are articulated in the end of sheath assembly 20, form transmission mechanism together with sheath assembly 20.Clamp assemblies 10
One of most important effect is exactly elastic force of the transmitting from 20 component spring system of sheath assembly, and acts on tissue 40, with
Reaching sound can couple to the greatest extent with tissue 40.The relative motion of sheath assembly 20 pulls 10 opening/closing of clamp assemblies.When
When starting operation, sheath assembly 20 is pulled, clamp assemblies 10 are moved towards cutter head 30, and are finally tightly closed with cutter head 30, shape
At state shown in Fig. 2, so that tissue 40 can be clamped between clamp assemblies 10 and cutter head 30.After the completion of operation, casing is unclamped
Component 20, clamp assemblies 10 face away from the direction rotation of cutter head 30.
Refering to what is shown in Fig. 3, clamp assemblies 10 include tissue pad 1 and clamping limb 2, tissue pad 1 is fixed on clamping limb 2.Its
In, tissue pad 1 is associated with the closest with tissue 40, cutter head 30, directly affects surgical effect.In surgical procedure, cutter head 30 can be held
Continuous high frequency acoustic vibration, this high-frequency vibration and 40 friction of tissue can generate very high temperature, and tissue pad 1 directly connects with tissue 40
Touching, therefore one of the design requirement of tissue pad 1 is exactly the necessary high temperature resistant of material therefor, and has extremely low coefficient of friction.Have
In consideration of it, tissue pad 1 generally uses Teflon or PEEK high functional plastics, while this material also meets bio-compatibility and wants
It asks, meets the biomedical demand of ultrasound knife 100.Tissue pad 1 is directly contacted with tissue 40, and the tissue 40 for needing to perform the operation is compressed in
Between cutter head 30 and tissue pad 1, therefore the structure feature of tissue pad 1 is operatively coupled to pass weight to tissue 40 and 30 acoustic vibration of cutter head
It wants.
In order to which the sound of cutter head 30 can be applied to greatest extent inside tissue 40,30 terminating components treatment part of cutter head,
That is terminal tissue grasping mechanism, it is necessary to have excellent mechanical performance.The most important structure of terminal tissue grasping mechanism be exactly by
The clamp assemblies 10 that tissue pad 1 and clamping limb 2 are composed.In clamp assemblies 10, tissue pad 1 is tightly embedded in clamping limb 2
Portion, to ensure that tissue pad 1 will not fall off in surgical procedure.Tissue pad 1 directly contacts tissue 40, the group that will directly perform the operation
It knits 40 and is pushed to 30 end of cutter head, therefore the sound that the effect of tissue pad 1 conveys cutter head 30 can be with the degree of coupling shadow of tissue 40
It rings clearly.
Refering to what is shown in Fig. 4, can squeeze tissue 40 when tissue pad 1 and cutter head 30 grasp tissue 40, tissue 40 can shape
At the trend spread to both sides, 40 treatment parts far from cutter head 30 are organized, the cutting bleeding of tissue 40 is unfavorable for, if tissue
40, which will lead to surgical effect far from treatment part efficient on cutter head 30, is deteriorated, and is unfavorable for clinic.
Refering to what is shown in Fig. 5,40 diffusion of tissue in order to prevent, the tissue pad 1 of the present embodiment has the first clamping part 11 and the
Two clamping parts 12, the first clamping part 11 and the second clamping part 12 are formed in the same side of tissue pad 1, the first clamping part 11 in Fig. 6
The downside that tissue pad 1 is placed in the second clamping part 12 (can also be upside, left or right side, depending on the placement orientation difference of tissue pad 1
And change).The surface of first clamping part 11 and the second clamping part 12 obliquely extends outward the monodentate of a plurality of solid matter, and first
Monodentate direction on clamping part 11 and the second clamping part 12 extends opposite and is partial to the first clamping part 11 and the second clamping part
12 junction, the i.e. intermediate direction of tissue pad 1.Specifically, refering to what is shown in Fig. 7, each monodentate of the first clamping part 11 has
First flank of tooth 111 and second flank of tooth 112, first flank of tooth 111 and second flank of tooth, 112 intersection are the first tooth top 113, the first tooth top
113 are partial to the junction side of the first clamping part 11 and the second clamping part 12.Each monodentate of second clamping part 12 has third
The flank of tooth 121 and the 4th flank of tooth 122, the third flank of tooth 121 and 122 intersection of the 4th flank of tooth are the second tooth top 123, the second tooth top 123
It is partial to the junction of the first clamping part 11 and the second clamping part 12.Monodentate side on first clamping part 11 and the second clamping part 12
To opposite.
Refering to what is shown in Fig. 7, the first clamping part 11 is close to the free end of clamp assemblies 10 namely the front end of tissue pad 1, group
The monodentate direction of the first clamping part 11 of 1 front end of pad is knitted towards the middle part side of tissue pad 1, the front end of the first clamping part 11 with
When 40 contact of tissue, tissue 40 can be squeezed to the middle part of tissue pad 1.
Refering to what is shown in Fig. 8, the first clamping part 11 and 12 monodentate of the second clamping part are contrary and be partial to the first clamping
The junction in portion 11 and the second clamping part 12, the i.e. intermediate direction of tissue pad 1.First clamping part 11 and the equal energy of the second clamping part 12
It is enough to squeeze tissue 40 to the middle part of tissue pad 1, it prevents tissue 40 to external diffusion so as to play, reaches tightly grasping tissue
40, the effect of therapeutic effect is improved.
During cutter head 30 squeezes tissue 40, the chucking power distribution along its length of cutter head 30 is inconsistent, organizes 40
Deflection is inconsistent, and the inner tensions organizing 40 extruding being subject to and generating are also different, is unfavorable for treating.It is above-mentioned in order to overcome
Deficiency, refering to what is shown in Fig. 9, the imaginary plane where at the top of multiple monodentates of the first clamping part 11 is the first crest top land P1;Second
Imaginary plane where at the top of multiple monodentates of clamping part 12 is the second crest top land P2.First crest top land P1 and the second crest top land P2
Between have difference in height h.Preferably, the first crest top land P1 protrudes from the second crest top land P2, and such structure, which is able to maintain, performed the operation
The clamping effect of 30 front treatment part of cutter head in journey.
Refering to what is shown in Fig. 9, the tooth-shape structure of above-mentioned monodentate has multiple choices, it is preferable that first flank of tooth 111 is perpendicular to the
One crest top land P1.It is, of course, also possible to using tooth-shape structure shown in Figure 10, wherein first flank of tooth 111 not with the first crest top land
P1 is vertical.
With reference to shown in Fig. 5, Figure 11, Figure 12 and Figure 13, in order to realize the close connection of tissue pad 1 Yu clamping limb 2, by tissue
Pad 1 is stuck in securely in clamping limb 2.The tissue pad 1 further has clamping structure 13, and clamping structure 13 is located at the first clamping part
11 opposite side.Clamping structure 13 includes the first clamping portion 131 and the second clamping portion 132, has on clamping limb 2 and corresponds
The first clamping groove 21 and the second clamping groove 22.First clamping groove 21 and the limit of 131 normal direction of the first clamping portion connect, above-mentioned normal direction
Refer to the direction of the working surface perpendicular to tissue pad 1.Second clamping portion 132 and the second clamping groove 22 are limited in front-rear direction to be connected
It connects, above-mentioned front-rear direction refers to the length extending direction of tissue pad 1.
To realize that the first clamping groove 21 and the limit of 131 normal direction of the first clamping portion connect, in the present embodiment, the first clamping portion
131 section is T-shaped, correspondingly, the first clamping groove 21 is also with the section of T-type.
It is connected to realize that the second clamping portion 132 and the second clamping groove 22 are limited in front-rear direction, in the present embodiment, the second card
The width of socket part 132 is greater than the width of the first clamping portion 131, and the junction of the first clamping portion 131 and the second clamping portion 132 is formed
The junction of first step structure, the first clamping groove 21 and the second clamping groove 22 forms second step structure, first step structure
Match with second step structure, the mating connection of first step structure and second step structure can limit tissue pad 1 and folder
Freedom degree between gripping arm 2 on front-rear direction.
Specifically, the side of the second clamping portion 132 has the first protruding portion 1321 and the first recessed portion 1322, other side tool
There are the second protruding portion 1324 and the second recessed portion 1323, the first recessed portion 1322 is located at the first protruding portion 1321 and tissue pad 1
Between ontology, and the first protruding portion 1321 protrudes from the first recessed portion 1322;Second recessed portion 1323 is located at the second protruding portion
Between 1324 and the ontology of tissue pad 1, the second protruding portion 1324 protrudes from the second recessed portion 1323;Correspondingly, the second clamping groove
22 side has third groove body portion 223 and the 4th groove body portion with the first groove body portion 221 and the second groove body portion 222, the other side
224, the second groove body portion 222 is located at the outside in the first groove body portion 221, and the second groove body portion 222 protrudes from the first groove body portion 221;
4th groove body portion 224 is located at the outside in third groove body portion 223, and the 4th groove body portion 224 protrudes from third groove body portion 223.First
Groove body portion 221 is matched with the first protruding portion 1321, and the second groove body portion 222 is matched with the first recessed portion 1322, third groove body
Portion 223 is matched with the second recessed portion 1323, and the 4th groove body portion 224 is matched with the second protruding portion 1324.Therefore, the first groove body
Portion 221 can also play normal direction position-limiting action to the first protruding portion 1321, and the 4th groove body portion 224 can be to the second protruding portion 1324
Play normal direction position-limiting action.Therefore, the second clamping groove 22 can be to the second clamping portion 132 in the length direction along tissue pad 1
With can play the role of limited support in normal direction both direction.
With reference to shown in Fig. 5, Figure 11 and Figure 13, it is further preferred that arc shape of first protruding portion 1321 in indent, first
Groove body portion 221 is convexly curved shape, and the above-mentioned shape in the first protruding portion 1321 and the first groove body portion 221 forms gradual change type
First step structure and second step structure.Further, it is also possible to other gradual change type structures be selected, for example, the first protruding portion
1321 be inclined plane or the arc shape of evagination, and correspondingly, the first groove body portion 221 is the arc of inclined plane or indent
Shape.Figure 16 instantiates the gradual change type in the clamp assemblies 10 of the present embodiment between the second clamping portion 132 and the second clamping groove 22
Attachment structure schematic diagram.
The organic assembling designed using both the above detent, so that clamping limb 2 can firmly block always in the course of surgery
Firmly tissue pad 1 keeps most effective energy transmission, realizes that tissue pad 1, tissue 40 are utmostly coupled with cutter head 30, to mention
High clinical effectiveness.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement and simple modifications etc., should be included in the utility model in utility model substantive content
Within protection scope.
Claims (10)
1. a kind of tissue pad, be used for ultrasonic surgical instrument, which is characterized in that the tissue pad (1) have the first clamping part (11) and
Second clamping part (12), first clamping part (11) and second clamping part (12) are formed in the phase of the tissue pad (1)
Ipsilateral, the surface of the first clamping part (11) and the second clamping part (12) obliquely extends outward the monodentate of a plurality of solid matter, the
Monodentate extending direction on one clamping part (11) and the second clamping part (12) is opposite and is partial to the first clamping part (11) and the
The junction side of two clamping parts (12).
2. tissue pad according to claim 1, which is characterized in that each monodentate of the first clamping part (11) has the first tooth
Face (111) and second flank of tooth (112), first flank of tooth (111) and second flank of tooth (112) intersection are the first tooth top
(113), first tooth top (113) is partial to the junction of the first clamping part (11) and the second clamping part (12);Second clamping
Each monodentate in portion (12) has the third flank of tooth (121) and the 4th flank of tooth (122), the third flank of tooth (121) and the described 4th
The flank of tooth (122) intersection is the second tooth top (123), and second tooth top (123) is partial to the first clamping part (11) and the second folder
Hold the junction of portion (12).
3. tissue pad according to claim 1 or 2, which is characterized in that institute at the top of multiple monodentates of the first clamping part (11)
Imaginary plane be the first crest top land (P1);Imaginary plane where at the top of multiple monodentates of second clamping part (12) is second
Crest top land (P2) has difference in height between first crest top land (P1) and second crest top land (P2).
4. tissue pad according to claim 3, which is characterized in that first clamping part (11) is close to tissue pad (1)
Front end, first crest top land (P1) protrudes from second crest top land (P2).
5. a kind of clamp assemblies characterized by comprising
Tissue pad (1) described in any one of Claims 1-4;With
Clamping limb (2) is connect with the tissue pad (1).
6. clamp assemblies according to claim 5, which is characterized in that the tissue pad (1) has clamping structure (13), described
Clamping structure (13) is located at the opposite side of first clamping part (11), and the clamping structure (13) includes the first clamping portion
(131) and the second clamping portion (132), there is on the clamping limb (2) the first clamping groove (21) and the second clamping groove (22), it is described
First clamping groove (21) and first clamping portion (131) limit perpendicular to the direction of tissue pad (1) working face to be connected, described
Second clamping portion (132) and second clamping groove (22) limit in the length direction of tissue pad (1) to be connected.
7. clamp assemblies according to claim 6, which is characterized in that first clamping portion (131) and second card
The junction of socket part (132) forms the first step structure of gradual change type, first clamping groove (21) and second clamping groove
(22) junction forms the second step structure of gradual change type, the first step structure and the second step structure phase
Match.
8. clamp assemblies according to claim 7, which is characterized in that the side of second clamping portion (132) has the
One protruding portion (1321) and the first recessed portion (1322), the other side have the second protruding portion (1324) and the second recessed portion
(1323), first recessed portion (1322) is between first protruding portion (1321) and the ontology of tissue pad (1), and institute
It states the first protruding portion (1321) and protrudes from first recessed portion (1322);Second recessed portion (1323) is located at described second
Between protruding portion (1324) and the ontology of tissue pad (1), second protruding portion (1324) protrudes from second recessed portion
(1323)。
9. clamp assemblies according to claim 8, which is characterized in that the side of second clamping groove (22) has first
Groove body portion (221) and the second groove body portion (222), the other side have third groove body portion (223) and the 4th groove body portion (224), described
Second groove body portion (222) is located at the outside in first groove body portion (221), and second groove body portion (222) protrude from it is described
First groove body portion (221);The 4th groove body portion (224) is located at the outside in third groove body portion (223), and the 4th slot
Body portion (224) protrudes from third groove body portion (223);First groove body portion (221) and first protruding portion (1321)
Corresponding, second groove body portion (222) is corresponding with the first recessed portion (1322), third groove body portion (223) and institute
It states the second recessed portion (1323) to correspond to, the 4th groove body portion (224) is corresponding with the second protruding portion (1324).
10. a kind of ultrasound knife, which is characterized in that described including clamp assemblies described in any one of claim 5 to 9 (10)
Clamp assemblies (10) are articulated in the front end of ultrasound knife (100).
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113813019A (en) * | 2021-07-21 | 2021-12-21 | 上海益超医疗器械有限公司 | Ultrasonic surgical instrument |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113813019A (en) * | 2021-07-21 | 2021-12-21 | 上海益超医疗器械有限公司 | Ultrasonic surgical instrument |
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