CN217793243U - Compression bar for shear type ultrasonic cutter and shear type ultrasonic cutter - Google Patents
Compression bar for shear type ultrasonic cutter and shear type ultrasonic cutter Download PDFInfo
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- CN217793243U CN217793243U CN202221072311.5U CN202221072311U CN217793243U CN 217793243 U CN217793243 U CN 217793243U CN 202221072311 U CN202221072311 U CN 202221072311U CN 217793243 U CN217793243 U CN 217793243U
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Abstract
A compression bar for a shear type ultrasonic cutter and the shear type ultrasonic cutter are provided, wherein the compression bar comprises a compression bar body, and an elastic structure body is arranged on the compression bar body and used for enhancing the bending resistance of the compression bar. The cutter includes the formula handle of cutting, the formula handle of cutting includes articulated centre gripping hand (hold) and operation hand (hold), the operation hand (hold) includes foretell depression bar. The utility model discloses can make the depression bar keep at normal condition always, avoid the depression bar to influence the unable tight problem of clamp of tool bit portion because of bending deformation, can also prevent effectively that sheath and hand (hold) shell from taking place relative rotation, effectively avoid the emergence of the wire joint position fracture or connection harmfulness that leads to because of the sheath is rotatory in the operation process.
Description
Technical Field
The utility model relates to a depression bar and cut formula ultrasonic knife that formula ultrasonic knife used belongs to medical instrument technical field.
Background
An ultrasonic knife system is a common surgical medical instrument and generally comprises an ultrasonic knife main machine, an accessory, a pedal excitation switch, an ultrasonic knife, a connecting wire and the like, wherein the pedal excitation switch or a manual excitation switch is used for activating the ultrasonic knife to work, an output system of the ultrasonic knife main machine provides electric energy required by resonance of the ultrasonic knife to a driving handle, the driving handle converts the electric energy into mechanical energy of ultrasonic vibration and transmits the mechanical energy to the tip of the ultrasonic knife, so that protein hydrogen bonds are broken after tissue contacted with the tip of the ultrasonic knife absorbs the ultrasonic energy, a cavitation effect is generated, the tissue is coagulated and denatured and cut under clamping pressure, the effect of cutting and coagulating integration is achieved, meanwhile, moisture in the tissue is vaporized, and the purpose of tissue layering is further facilitated. Wherein, the front end of supersound cutter is the cutter arbor and presses the mouth, and the cutter arbor sets up including in the sleeve pipe, and interior outside cover of sleeve pipe is equipped with the outer tube, and the cutter arbor front end is the tool bit, presses the mouth to connect at interior sheathed tube front end and constitute pincerlike structure with the tool bit, drives through interior sleeve pipe and presses the mouth closed and open, realizes the centre gripping and the opening to the tissue.
As shown in FIG. 1, the cutting area 11 of the prior art scissors ultrasonic knife jaw and knife press bar 1 is closed and opened by the operator pressing inward or lifting outward the operating handle of the scissors handle with his fingers. In the whole operation process, the pressure lever 1 needs to be stressed repeatedly, so that the fatigue phenomenon is easy to occur, and the bending deformation is caused. Therefore, the problem that the cutting time is too long or the cutting cannot be carried out can be solved by effectively clamping the cutting area of the shear type ultrasonic cutter in the use state after the shear type ultrasonic cutter is connected with the ultrasonic cutter main machine, so that the shear type ultrasonic cutter cannot normally work. In addition, in the operation process, the sheath 21 part of the cutter and the handle shell 2 have the risk of relative rotation, and further the wire in the sheath has the risk along with twisting, and the welding joint or the splicing joint part of the wire is easy to generate short circuit or open circuit, so that the failure of the instrument can not be used, and the operation can not be carried out.
Disclosure of Invention
In order to overcome the above-mentioned not enough of prior art, the utility model provides a cut depression bar that formula ultrasonic knife used and cut formula ultrasonic knife can avoid the depression bar to influence the unable tight problem of clamp of tool bit portion because of bending deformation, can also effectively avoid the wire joint position fracture or the emergence of connect bad danger that leads to because of the sheath is rotatory at the operation in-process.
The utility model provides a technical scheme that its technical problem adopted is:
a compression bar for a shear type ultrasonic cutter comprises a compression bar body, wherein an elastic structure body is arranged on the compression bar body and used for enhancing the bending resistance of the compression bar.
Optionally, the elastic structure body includes a spring, and the spring is installed in a spring limiting groove formed in the compression bar body in a matching manner.
Optionally, two end faces of the spring limiting groove are respectively provided with a spring mounting hole for fixing two end portions of the spring;
the opening of the spring limiting groove is also connected with a spring limiting groove cover in a matching manner.
Optionally, the elastic structure body comprises an elastic sheet, and the elastic sheet is installed in a matching manner with an elastic sheet limiting groove formed in the compression bar body.
Optionally, the spring plate is in a V-shape as a whole, and the spring plate limiting groove is a groove with a V-shaped section;
the elastic piece is provided with a boss, the inner wall of the groove is provided with a clamping groove, and the boss is connected with the clamping groove in a matched mode.
Optionally, the elastic structure body comprises a connecting elastic sheet, and the connecting elastic sheet is arranged between the compression bar body and the compression bar binding clip at one end of the compression bar body.
Optionally, the opposite ends of the pressing rod body and the pressing rod binding clip are provided with a limiting groove, and two ends of the connecting elastic sheet are respectively arranged in the limiting groove and fixedly connected to the pressing rod body and the pressing rod binding clip.
According to the pressure lever for the shear type ultrasonic cutter, the pressure lever body cannot be bent and deformed due to long-time pressing through the elastic structure body, so that the pressure lever body is always kept in a normal state, and the problem that the pressure lever cannot clamp the cutter head due to bending deformation is solved.
The utility model provides a another kind of technical scheme that its technical problem adopted is:
a shear mode ultrasonic cutter comprises a shear mode handle, wherein the shear mode handle comprises a clamping handle and an operating handle which are hinged to each other, and the operating handle comprises the pressure rod.
Optionally, the centre gripping hand (hold) includes the hand (hold) shell, the tail end inside of hand (hold) shell is equipped with the sheath structure for the removal of restriction wire, the structural limit structure that still is equipped with of sheath is used for the restriction the sheath with the relative rotation of hand (hold) shell.
Optionally, the limiting structure includes a limiting hole or a limiting surface, and the limiting hole or the limiting surface is installed in cooperation with a limiting protrusion or a limiting table inside the handle shell.
According to the shear type ultrasonic cutter in the technical scheme, on one hand, the problem that the cutter head part cannot be clamped due to bending deformation caused by long-time pressing of the pressure rod body is solved by arranging the operating handle of the pressure rod with the elastic structure body; on the other hand, the limiting structure arranged on the sheath structure is utilized, the problem that the joint of the lead is broken or is badly connected due to relative rotation between the sheath and the handle shell is solved, and the smooth operation is guaranteed.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic view of a prior art structure.
In fig. 1: 1. a cutter bar 11, a cutting area 2, a handle shell 21 and a sheath.
Fig. 2 is an exploded view of the embodiment 1 of the compression bar of the present invention.
Fig. 3 is an exploded view of the embodiment 2 of the compression bar of the present invention.
Fig. 4 is a schematic structural view of a spring plate in embodiment 2 of the pressure lever of the present invention.
Fig. 5 is a schematic structural view of embodiment 3 of the pressure lever according to the present invention.
Fig. 6 is a schematic structural view of a connecting spring plate in embodiment 3 of the compression bar of the present invention.
Fig. 7 is a schematic structural view of a compression bar binding clip according to embodiment 3 of the compression bar of the present invention.
Fig. 8 is a schematic structural view of a pressing rod body according to embodiment 3 of the pressing rod of the present invention.
Fig. 9 is a schematic structural view of the shear type ultrasonic cutting tool of embodiment 1 of the present invention.
Fig. 10 is a schematic structural diagram of the shear mode ultrasonic cutting tool of embodiment 2 of the present invention.
Fig. 11 is a schematic structural diagram of the shear mode ultrasonic cutting tool of embodiment 3 of the present invention.
Fig. 12 is a schematic structural diagram of the shear mode ultrasonic cutting tool of embodiment 4 of the present invention.
Fig. 13 is a schematic structural view of the shear mode ultrasonic cutting tool of embodiment 5 of the present invention.
Reference numbers in fig. 2-13 illustrate:
100. a shear mode ultrasonic cutter;
10. the handle clamping device comprises a clamping handle 11, a handle shell 111, a sheath structure 1111, a limiting hole, a limiting surface 1112, a limiting protrusion and a limiting table;
20. the pressing rod comprises an operating handle 21, a pressing rod body 211, a spring, an elastic sheet, a connecting elastic sheet 2111, a boss 212, a spring limiting groove, an elastic sheet limiting groove, a limiting groove, 2121, a spring mounting hole, a clamping groove 213, a spring limiting groove cover 22 and a pressing rod tong head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
In embodiment 1 shown in fig. 2, a compression bar for a scissors ultrasonic tool is provided, which includes a compression bar body 21, and an elastic structure is disposed on the compression bar body 21 for enhancing the bending resistance of the compression bar. The elastic structure body comprises a spring 211, and the spring 211 is installed in a spring limit groove 212 formed in the compression bar body 21 in a matching manner.
When the pressure bar is used, the elastic force of the spring 211 arranged in the pressure bar body 21 is utilized to offset the pressure bar due to the bending force generated by long-time pressing, so that the pressure bar can not generate bending deformation under long-time pressing, and the problem that the pressure bar can not clamp the cutter head part due to the bending deformation is avoided.
As one of specific fixing manners of the elastic structure according to this embodiment, two end surfaces of the spring limiting groove 212 are respectively provided with a spring mounting hole 2121 for fixing two end portions of the spring 211.
In order to ensure the beautiful appearance, the preferred design of this embodiment is that the opening of the spring limiting groove 212 may be further connected with a spring limiting groove cover 213 in a matching manner, so that the surface of the spring limiting groove cover is consistent with other surfaces of the compression bar body 21.
In the present embodiment, as shown in fig. 9, there is also provided a scissors ultrasonic tool 100, which includes a scissors handle, the scissors handle includes a hinged holding handle 10 and an operating handle 20, and the operating handle 20 includes the above-mentioned pressing rod 21.
When the shear type ultrasonic cutter 100 works, the compression rod is pressed for a long time to generate fatigue, so that the compression rod generates bending deformation, and the elastic force of the compression rod with the spring 211 can be used for offsetting the bending force of the compression rod due to long-time pressing, so that the compression rod cannot generate bending deformation under long-time pressing.
Example 2
In another embodiment 2 shown in fig. 3 and 4, a compression bar for a shear mode ultrasonic tool is provided, which includes a compression bar body 21, and an elastic structure is provided on the compression bar body 21 for enhancing the bending resistance of the compression bar. The elastic structure body comprises an elastic sheet 211, and the elastic sheet 211 is installed in a matching manner with an elastic sheet limiting groove 212 formed in the compression bar body 21.
When the pressure lever is used, the elastic force of the elastic sheet 211 arranged in the pressure lever body 21 can be utilized to offset the bending force of the pressure lever due to long-time pressing, so that the pressure lever can not be bent and deformed under long-time pressing.
As one of the specific implementation manners of this embodiment, referring to fig. 4, the overall shape of the elastic piece 211 is a V-shape, and the elastic piece limiting groove 212 is a groove with a V-shaped cross section; the V-shaped design is more convenient for accumulating elastic force, and the fitting degree is also higher, but obviously, the shape matching of the elastic sheet 211 and the elastic sheet limiting groove 212 can meet the minimum use requirement, and the V-shaped design can be designed into other regular shapes or special shapes due to other considerations. Further, in view of preventing the elastic sheet 211 from falling off, a boss 2111 is provided on the elastic sheet 211, a slot 2121 is provided on the inner wall of the groove, and the boss 2111 is connected with the slot 2121 in a matching manner.
Referring to fig. 10, in the present embodiment, there is further provided a scissors ultrasonic tool 100, which includes a scissors handle, the scissors handle includes a hinged holding handle 10 and an operating handle 20, and the operating handle 20 includes the above-mentioned pressing rod 21.
When the shear type ultrasonic cutter 100 works, the compression rod is pressed for a long time to generate fatigue, so that the compression rod generates bending deformation, and the elastic force of the compression rod with the elastic sheet 211 can be used for offsetting the bending force of the compression rod due to long-time pressing, so that the compression rod can not generate bending deformation under long-time pressing.
Example 3
In yet another embodiment 3 shown in fig. 5-8, a compression bar for a shear mode ultrasonic tool is provided, which includes a compression bar body 21, wherein an elastic structure is disposed on the compression bar body 21 for enhancing the bending resistance of the compression bar. The elastic structure body comprises a connecting elastic sheet 211, and the connecting elastic sheet 211 is arranged between the pressing rod body 21 and a pressing rod tong head 22 at one end of the pressing rod body 21. Specifically, the connecting elastic piece 211 may be partially exposed between the pressing rod body 21 and the pressing rod clamp head 22. The bending resistance can be adjusted according to the exposed length of the connecting elastic sheet 211.
When the pressure bar is used, the elastic force of the connecting elastic sheet 211 can be used for offsetting the bending force of the pressure bar due to long-time pressing, so that the pressure bar can not be bent and deformed under long-time pressing.
As one specific implementation manner of this embodiment, the opposite ends of the pressing rod body 21 and the pressing rod binding clip 22 are provided with a limiting groove 212 together, and two ends of the connecting elastic sheet 211 are respectively disposed in the limiting groove 212 and fixedly connected to the pressing rod body 21 and the pressing rod binding clip 22. Wherein, the concrete structure of fixed connection can also be including seting up the pinhole on depression bar body 21 and depression bar binding clip 22, and the both ends of connecting shell fragment 211 simultaneously also are equipped with the pinhole that the position corresponds, will connect the shell fragment 211 and put into spacing recess 212, and the rethread round pin axle is installed into the pinhole of aliging, makes to connect the shell fragment 211 fixed firm, unable removal. Not limited to this, the connection spring piece 211 may be fixed by others.
In the present embodiment, as shown in fig. 11, there is also provided a scissors ultrasonic tool 100, which includes a scissors handle, the scissors handle includes a hinged holding handle 10 and an operating handle 20, and the operating handle 20 includes the above-mentioned pressing rod 21.
When the shear type ultrasonic cutter 100 works, the compression rod is pressed for a long time to generate fatigue so that the compression rod generates bending deformation, and the compression rod with the connecting elastic sheet 211 can be used for offsetting the bending force generated by the compression rod due to the long-time pressing, so that the compression rod can not generate the bending deformation under the long-time pressing.
Example 4
In the embodiment 4 shown in fig. 12, a scissors ultrasonic cutting tool 100 is provided, wherein the clamping handle 10 comprises a handle housing 11, a sheath structure 111 is arranged inside the tail end of the handle housing 11 for limiting the movement of the wire, and a limiting structure 1111 is further arranged on the sheath structure 111 for limiting the relative rotation of the sheath and the handle housing 11. The limiting structure comprises a limiting hole 1111, and the limiting hole 1111 is installed in cooperation with a limiting protrusion 1112 in the handle shell 11.
The limiting hole 1111 may be a circular hole, a square hole, a long and narrow hole or other irregular holes, and the limiting protrusion 1112 may also be a circular, square, long and narrow hole or other irregular features corresponding to the limiting hole 1111.
In this embodiment, the compression bar for the shear-type ultrasonic tool 1 and the shear-type ultrasonic tool 100 may be any one of the structural schemes 1 to 3.
Example 5
In the embodiment 5 shown in fig. 13, a scissors ultrasonic cutting tool 100 is provided, wherein the clamping handle 10 comprises a handle housing 11, a sheath structure 111 is arranged inside the tail end of the handle housing 11 for limiting the movement of the wire, and a limiting structure 1111 is further arranged on the sheath structure 111 for limiting the relative rotation of the sheath and the handle housing 11. The limiting structure comprises a limiting surface 1111-1, and the limiting surface 1111 is installed in cooperation with a limiting table 1112 in the handle shell 11.
By utilizing the sheath structure 111 belonging to the ultrasonic cutter head part to be provided with at least one limiting surface 1111 and the handle shell 11 to be provided with at least one corresponding limiting platform 1112, during assembly, the limiting surface 1111 of the sheath structure 111 is matched with the boss surface of the limiting platform 1112 of the handle shell 11, so that the sheath structure 111 and the handle shell 11 cannot rotate relatively in the using process.
In this embodiment, the compression bar for the scissors ultrasonic tool and the scissors ultrasonic tool 100 may adopt any one of the structural schemes 1 to 3.
In the above embodiments 1 to 5, the complete scissors-type ultrasonic knife 100 further includes an ultrasonic driving rod, the ultrasonic driving rod is connected to the ultrasonic scalpel host through a wire, the ultrasonic driving rod is fixedly connected to the scissors-type handle on the clamping handle 10, the ultrasonic driving rod includes a knife bar and an ultrasonic transducer, the knife bar is hinged to the pressing bar of the operating handle 20, the front end of the hinge point forms a cutting area, the ultrasonic driving rod is started, and the scissors-type handle is operated to perform the operation on the tissue.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.
Claims (7)
1. The utility model provides a depression bar that formula ultrasonic knife used cuts, includes the depression bar body, characterized by: the compression bar body is provided with an elastic structure body for enhancing the bending resistance of the compression bar; the elastic structure body comprises a spring, and the spring is installed in a spring limiting groove formed in the compression bar body in a matched mode;
or the elastic structure body comprises an elastic sheet, and the elastic sheet is installed in a matching way with an elastic sheet limiting groove formed in the compression bar body;
or the elastic structure body comprises a connecting elastic sheet, and the connecting elastic sheet is arranged between the pressing rod body and the pressing rod tong head at one end of the pressing rod body.
2. The ultrasonic shear blade bar of claim 1, wherein: two end faces of the spring limiting groove are respectively provided with a spring mounting hole for fixing two end parts of the spring;
the opening of the spring limiting groove is also connected with a spring limiting groove cover in a matching manner.
3. The ultrasonic shear blade bar of claim 1, wherein: the spring plate is V-shaped in overall shape, and the spring plate limiting groove is a groove with a V-shaped section;
the elastic piece is provided with a boss, the inner wall of the groove is provided with a clamping groove, and the boss is connected with the clamping groove in a matched mode.
4. The ultrasonic shear blade bar of claim 1, wherein: the two ends of the connecting elastic sheet are respectively arranged in the limiting grooves and fixedly connected to the pressure lever body and the pressure lever tong head.
5. A scissors ultrasonic cutting tool comprises a scissors handle, the scissors handle comprises a clamping handle and an operating handle which are hinged, and the scissors ultrasonic cutting tool is characterized in that: the operating handle comprises a strut according to any one of claims 1 to 4.
6. The scissors ultrasonic tool of claim 5, wherein: the centre gripping hand (hold) includes the hand (hold) shell, the tail end inside of hand (hold) shell is equipped with the sheath structure for the removal of restriction wire, the structural limit structure that still is equipped with of sheath is used for the restriction the sheath with the relative rotation of hand (hold) shell.
7. The scissors ultrasonic tool of claim 6, wherein: the limiting structure comprises a limiting hole or a limiting surface, and the limiting hole or the limiting surface is matched with the limiting bulge or the limiting platform in the handle shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072311.5U CN217793243U (en) | 2022-05-07 | 2022-05-07 | Compression bar for shear type ultrasonic cutter and shear type ultrasonic cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072311.5U CN217793243U (en) | 2022-05-07 | 2022-05-07 | Compression bar for shear type ultrasonic cutter and shear type ultrasonic cutter |
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|---|---|
| CN217793243U true CN217793243U (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221072311.5U Active CN217793243U (en) | 2022-05-07 | 2022-05-07 | Compression bar for shear type ultrasonic cutter and shear type ultrasonic cutter |
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| CN (1) | CN217793243U (en) |
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- 2022-05-07 CN CN202221072311.5U patent/CN217793243U/en active Active
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