CN211883966U - Composite vibration ultrasonic knife - Google Patents
Composite vibration ultrasonic knife Download PDFInfo
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- CN211883966U CN211883966U CN201922335772.1U CN201922335772U CN211883966U CN 211883966 U CN211883966 U CN 211883966U CN 201922335772 U CN201922335772 U CN 201922335772U CN 211883966 U CN211883966 U CN 211883966U
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- cutter
- blind holes
- cutter bar
- cutter arbor
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Abstract
The utility model provides a compound vibration ultrasonic knife, including the cutter arbor, the cutter arbor rear portion has the connecting portion that are used for connecting ultrasonic transducer, and the cutter arbor front end is work portion, be provided with the multiunit blind hole along the axis direction on the outer disc of cutter arbor, every group blind hole distributes along the circumference of cutter arbor and is a plurality ofly, and each blind hole of adjacent group staggers at the axis direction of cutter arbor, and the appointed angle of deflection of a set of blind hole in cutter arbor ascending position in week is for preceding a set of blind hole in cutter arbor week in back, and the deflection angle and the direction that deflects of each group blind hole are the same. The utility model has the advantages that the circumference of the cutter is uniformly distributed, the blind holes which are staggered axially can realize the vibration of the cutter bar along the axial direction and the torsional vibration of the front part of the cutter, so that the tissue is more easily crushed and removed; meanwhile, the blind holes are convenient to process and can be finished by adopting a common machine tool, and the manufacturing is convenient.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to combined vibration ultrasonic knife.
Background
In surgical operation, the mode of using ultrasonic energy to drive a tool bit to generate high-frequency vibration to remove tissues is widely applied, and generally, an ultrasonic suction knife, an ultrasonic osteotome and the like are provided, wherein the ultrasonic suction knife is generally a regular rotator with a through hole inside, and the head part is annular, so that the ultrasonic suction knife is used for crushing and removing soft tissues and mainly acts on liver and brain tumors. When the conventional ultrasonic suction knife is used for a fibrotic liver or tumor, the efficiency is low because vibration is generated only in the longitudinal direction.
The ultrasonic osteotome head is in a tooth shape, some teeth are distributed on the whole circumference, and some teeth are arranged on the local part. Is used for crushing and removing bone tissues. When the common ultrasonic osteotome is used for bone tissue with fascia on the surface, the efficiency is low because the ultrasonic osteotome only generates vibration in the longitudinal direction.
In order to solve the above problems, there has been proposed a cutter head structure capable of simultaneously generating a longitudinal and torsional combined motion of a cutter head, i.e., a cutter head having a longitudinal vibration at a front end thereof while swinging within a certain range about an axis. But the structure is complicated and is inconvenient to manufacture.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art not enough, the utility model aims to provide a compound vibration ultrasonic knife, on the basis of the compound motion is turned round in the realization, simplifies the structure, is convenient for make.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
the utility model provides a compound vibration ultrasonic knife, includes the cutter arbor, the cutter arbor rear portion has the connecting portion that is used for connecting ultrasonic transducer, and the cutter arbor front end is the work portion, be provided with the multiunit blind hole along the axis direction on the outer disc of cutter arbor, every group blind hole distributes along the circumference of cutter arbor and is a plurality ofly, and each blind hole of adjacent group staggers in the axis direction of cutter arbor, and the specified angle of deflection of the ascending position of a set of blind hole in cutter arbor circumference in the back for the ascending position of a set of blind hole in cutter arbor circumference before, the deflection angle and the direction of deflection of each group.
By adopting the structure, the blind holes which are uniformly distributed in the circumference and staggered in the axial direction are additionally arranged on the outer circumference of the cutter, so that the vibration of the cutter bar along the axial direction and the torsional vibration of the front part of the cutter can be realized, and tissues can be more easily crushed and removed; meanwhile, the blind holes are convenient to process and can be finished by adopting a common machine tool, and the manufacturing is convenient.
Optionally, the cutter bar comprises a front section and a rear section, the diameter of the rear section is larger than that of the front section, and the blind hole is formed in the rear section of the cutter bar.
Optionally, the blind holes are round holes, and the blind holes of each group are distributed at equal intervals along the axial direction of the cutter bar.
Optionally, the front end of the cutter bar is provided with cutting teeth.
Optionally, the front end surface of the cutter bar is provided with a plurality of grooves, and the cutting teeth are formed between the grooves.
Optionally, the cutter arbor is hollow structure, evenly is provided with a plurality ofly along circumference on the preceding terminal surface of cutter arbor the recess, the recess is the semicircular groove.
The utility model also provides a compound vibration ultrasonic knife, including the cutter arbor, the cutter arbor rear portion has the connecting portion that are used for connecting ultrasonic transducer, and the cutter arbor front end is the work portion, be provided with the multiunit straight flute along circumference on the outer disc of cutter arbor, the straight flute inclines for the axis of cutter arbor, the surface of cutter arbor is worn out at the both ends of straight flute.
A plurality of groups of straight grooves are arranged along the circumferential direction, so that the longitudinal vibration of the cutter bar and the torsional vibration of the front part of the cutter bar are realized, and the tissues are convenient to remove; and the design is a straight groove, so that the processing is convenient, and the processing can be finished by adopting a common milling machine.
Optionally, the front end of the cutter bar is provided with cutting teeth.
Optionally, the multiple groups of straight grooves are uniformly arranged along the outer circumferential surface of the cutter bar.
Optionally, the bottom of the straight groove is a plane or an arc surface, the bottom of the straight groove is a parallelogram, and two side walls of the straight groove are arcs with two lower sides and a higher middle part.
As mentioned above, the utility model has the advantages that: the utility model has the advantages that the blind holes which are distributed circumferentially and staggered axially are added on the outer circumference of the cutter, so that the vibration of the cutter bar along the axial direction and the torsional vibration of the front part of the cutter can be realized, and tissues can be crushed and removed more easily; meanwhile, the blind holes are convenient to process and can be finished by adopting a common machine tool, and the manufacturing is convenient. A plurality of groups of straight grooves are arranged along the circumferential direction, so that the longitudinal vibration of the cutter bar and the torsional vibration of the front part of the cutter bar are realized, and the tissues are convenient to remove; and the design is a straight groove, so that the processing is convenient, and the processing can be finished by adopting a common milling machine.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a partial schematic view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of the front end of the tool bar according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another embodiment of the present invention;
fig. 5 and 6 are enlarged views of the straight groove of fig. 4.
Part number description:
1-a cutter bar; 11-a connecting portion; 12-a cutting tooth; 13-blind hole; 14-flat square structure; 15-a groove; 16-straight grooves; 16 a-slot wall.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example 1
As shown in fig. 1 to 5, the composite vibration ultrasonic knife in this example includes a knife bar 1, which may also be referred to as an amplitude transformer, a connecting portion 11 for connecting an ultrasonic transducer is provided at the rear of the knife bar 1, the front end of the knife bar 1 is a working portion for removing tissue, a plurality of sets of blind holes 13 (i.e., a plurality of circles of blind holes 13) are provided at intervals along the axial direction on the outer circumferential surface of the knife bar 1, each set of blind holes 13 is plural, the plurality of blind holes 13 of each set are uniformly distributed along the circumferential direction of the knife bar 1, the blind holes 13 of adjacent sets are staggered along the axial direction of the knife bar 1, and the position of the next group of blind holes 13 in the circumferential direction of the cutter bar 1 deflects a designated angle relative to the position of the previous group of blind holes 13 in the circumferential direction of the cutter bar 1, the deflection angle and the deflection direction of each group of blind holes 13 relative to the previous group of blind holes 13 are the same, and the deflection angle and the deflection direction of each blind hole 13 in the same group are the same.
As shown in fig. 2, the axial distance between two adjacent groups of blind holes 13 in the cutter bar 1 is L, and the deflection angle of the next group of blind holes 13 in the two adjacent groups of blind holes 13 relative to the previous group of blind holes 13 is θ; the number of each group of blind holes is the same, and the blind holes are uniformly distributed in the circumferential direction; for example, one of the blind holes 13a of the first set of blind holes 13, and the blind hole 13b of the second set of blind holes 13 corresponds to the blind hole 13 a; the blind hole 13b is deflected by an angle theta relative to the blind hole 13 a; i.e. the blind hole 13a moves forward by a distance L, and the blind hole 13b is overlapped after the blind hole is rotated clockwise by an angle theta. Similarly, the blind holes 13c in the third group are offset by an angle θ with respect to the blind holes 13b in the second group, the blind holes 13d in the fourth group are offset by an angle θ with respect to the blind holes 13c in the third group, and so on, so that a plurality of rows of obliquely arranged blind holes 13 are formed in the circumferential direction of the tool holder 1. That is, it can be understood that a plurality of rows of blind holes 13 (one row of blind holes consisting of, for example, the aforementioned 13a, 13b, 13c, 13d.. 13 n) are provided circumferentially on the outer circumferential surface of the tool holder 1, each row of blind holes 13 being inclined with respect to the axis of the tool holder 1.
In this example, the cutter bar 1 comprises a front section and a rear section, the diameter of the rear section is larger than that of the front section to form a stepped or tapered structure, and all the blind holes 13 are arranged on the rear section of the cutter bar 1. The rear section is also provided with a flat square structure 14 for screwing during connection, wherein the connecting part 11 at the rear end of the cutter bar 1 is provided with threads.
As shown in fig. 1 and 4, in order to facilitate the removal of tissue when the front end of the cutter swings, the front end of the cutter bar 1 is provided with cutting teeth 12 which can be in a sawtooth shape or other shapes; in this example, the front end surface of the tool holder 1 is provided with a plurality of recesses 15, between which recesses 15 said cutting teeth 12 are formed.
Specifically, the cutter arbor 1 is hollow structure, uses as the supersound and inhales the sword, evenly is provided with a plurality of semicircular grooves along circumference on the preceding terminal surface of cutter arbor 1. The semicircular groove is convenient to process. Other embodiments the blade holder 1 may be a solid structure, acting as an ultrasonic osteotome, with a cutting edge at the front.
Example 2
Referring to fig. 4 to 6, the difference between this example and the embodiment is that a plurality of sets of straight grooves 16 are circumferentially arranged on the outer circumferential surface of the tool holder 1, the length direction of the straight grooves 16 is inclined with respect to the axis of the tool holder 1, and both ends of the straight grooves 16 penetrate through the outer surface of the tool holder 1. That is, the straight groove 16 is a through groove in the length direction, and is formed by a groove bottom and two side groove walls to facilitate milling.
A plurality of groups of straight grooves 16 are arranged along the circumferential direction, so that the longitudinal vibration of the cutter bar 1 and the torsional vibration of the front part of the cutter bar 1 are realized, and the tissues are convenient to remove; and the straight grooves 16 are designed to facilitate processing and can be completed by adopting a common milling machine, wherein each group of straight grooves 16 are uniformly distributed along the circumferential direction of the cutter bar 1.
The bottom of the straight groove 16 is a plane or an arc surface, in this example, a plane, the bottom profile of the straight groove 16 is a parallelogram, and the two side walls 16a of the straight groove 16 are arcs with two lower sides and a higher middle part, as shown in fig. 5. The structure is convenient to mill by the milling cutter at one time, and the processing difficulty is low.
The utility model has the advantages that the circumferential uniform distribution and the axial staggered blind holes 13 are added on the outer circumference of the cutter, and the plurality of groups of straight grooves 16 are arranged along the circumferential direction, so that the vibration of the cutter bar 1 along the axial direction and the torsional vibration of the front part of the cutter can be realized, and the tissues can be more easily crushed and removed; meanwhile, the blind holes and the straight grooves 16 are convenient to process and can be finished by adopting a common machine tool, and the manufacturing is convenient.
Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a compound vibration ultrasonic knife, includes the cutter arbor, the cutter arbor rear portion has the connecting portion that is used for connecting ultrasonic transducer, and the cutter arbor front end is the working portion, its characterized in that: the cutter bar is characterized in that a plurality of groups of blind holes are arranged on the outer circular surface of the cutter bar along the axial direction, each group of blind holes are distributed along the circumferential direction of the cutter bar in a plurality, the blind holes of adjacent groups are staggered in the axial direction of the cutter bar, the position of the rear group of blind holes in the circumferential direction of the cutter bar deflects for a specified angle relative to the position of the front group of blind holes in the circumferential direction of the cutter bar, and the deflection angle and the deflection direction of each group of.
2. The composite vibratory ultrasonic blade of claim 1, wherein: the cutter arbor includes anterior segment and back end, the diameter of back end is greater than the diameter of anterior segment, the blind hole sets up on the back end of cutter arbor.
3. The composite vibratory ultrasonic blade of claim 1, wherein: the blind holes are round holes, and the blind holes of each group are distributed at equal intervals along the axis direction of the cutter bar.
4. The composite vibratory ultrasonic blade of claim 1, wherein: the front end of the cutter bar is provided with cutting teeth.
5. The composite vibratory ultrasonic blade of claim 4, wherein: the front end face of the cutter bar is provided with a plurality of grooves, and the cutting teeth are formed among the grooves.
6. The composite vibratory ultrasonic blade of claim 5, wherein: the cutter arbor is hollow structure, evenly is provided with a plurality ofly along circumference on the preceding terminal surface of cutter arbor the recess, the recess is the semicircular groove.
7. The composite vibratory ultrasonic blade of claim 2, wherein: the diameter of the rear section is larger than that of the front section, so that a stepped or conical structure is formed.
8. The composite vibratory ultrasonic blade of claim 2, wherein: the rear section is provided with a flat square structure.
9. The composite vibratory ultrasonic blade of claim 2, wherein: the connecting part at the rear end of the cutter bar is provided with threads.
10. The composite vibratory ultrasonic blade of claim 1, wherein: each group of blind holes are arranged at equal intervals along the axis direction of the cutter bar.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335772.1U CN211883966U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
| CN202022129235.4U CN213430415U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922335772.1U CN211883966U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022129235.4U Division CN213430415U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
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| Publication Number | Publication Date |
|---|---|
| CN211883966U true CN211883966U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022129235.4U Active CN213430415U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
| CN201922335772.1U Active CN211883966U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022129235.4U Active CN213430415U (en) | 2019-12-23 | 2019-12-23 | Composite vibration ultrasonic knife |
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| CN (2) | CN213430415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588708A (en) * | 2020-11-26 | 2021-04-02 | 安徽铜都流体科技股份有限公司 | Anti-blocking mud valve for shield machine |
-
2019
- 2019-12-23 CN CN202022129235.4U patent/CN213430415U/en active Active
- 2019-12-23 CN CN201922335772.1U patent/CN211883966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588708A (en) * | 2020-11-26 | 2021-04-02 | 安徽铜都流体科技股份有限公司 | Anti-blocking mud valve for shield machine |
| CN112588708B (en) * | 2020-11-26 | 2021-08-27 | 安徽铜都流体科技股份有限公司 | Anti-blocking mud valve for shield machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN213430415U (en) | 2021-06-15 |
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