CN216090688U - Damping type ultrasonic cutter - Google Patents
Damping type ultrasonic cutter Download PDFInfo
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- CN216090688U CN216090688U CN202122256075.4U CN202122256075U CN216090688U CN 216090688 U CN216090688 U CN 216090688U CN 202122256075 U CN202122256075 U CN 202122256075U CN 216090688 U CN216090688 U CN 216090688U
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- cutter bar
- core body
- cutter
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Abstract
The utility model relates to the technical field of ultrasonic cutters and discloses a damping type ultrasonic cutter which comprises a cutter bar and at least one damper, wherein the outer end of the cutter bar is used for ultrasonic operation, and the inner end of the cutter bar is used for being connected with an ultrasonic machine; the cutter arbor includes inner core body and rod shell, and the rod shell cover is established the inner core body and is arranged, and the attenuator cover is established the inner core body and is arranged, and rod shell and inner core body centre gripping attenuator are arranged. When the ultrasonic operation is carried out, the ultrasonic instrument outputs ultrasonic waves to the cutter bar, the ultrasonic waves are transmitted along the axial direction of the cutter bar, meanwhile, the cutter bar does longitudinal telescopic motion, clutter generated on the cutter bar plays a damping effect under the action of the damper, the phenomenon that the cutter bar is damaged due to instantaneous impact of ultrasonic vibration is avoided, the reduction of sound radiation generated due to mechanical vibration is facilitated, and mechanical noise is reduced; effectively avoid the cutter arbor to split suddenly, reduce medical accident risk.
Description
Technical Field
The utility model relates to the technical field of ultrasonic cutters, in particular to a damping type ultrasonic cutter.
Background
The ultrasonic device is a common surgical operation instrument, generally comprises an ultrasonic knife main machine, a pedal excitation switch, a driving handle, a connecting lead, an ultrasonic knife and the like, wherein the ultrasonic knife comprises a handle, a sleeve and a knife bar, and the pedal excitation switch or a manual control excitation switch is used for activating the ultrasonic knife to work.
At the moment, the ultrasonic knife host outputs electric energy to the driving handle, the driving handle converts the electric energy into mechanical energy of high-frequency vibration and transmits the mechanical energy to the tip of the ultrasonic knife, so that protein hydrogen bonds are broken after tissues in contact with the tip of the ultrasonic knife absorb ultrasonic energy to generate a cavitating effect, and then the tissues are coagulated, denatured and cut under clamping pressure to achieve the effect of cutting and coagulating a whole body; meanwhile, moisture in the tissues is vaporized, so that the purpose of tissue layering is further assisted.
When the ultrasonic cutter works, ultrasonic waves are driven by the transducer to move longitudinally on the cutter bar and propagate along the axial direction, meanwhile, the cutter bar is driven to do longitudinal telescopic movement, and in the movement process, the whole cutter bar does telescopic movement.
In the prior art, resonance is carried out at the frequency of 15-60kHz, in the vibration working process, the cutter bar generates swing waves or other non-design waves, various noise waves can generate instantaneous impact on the cutter bar, the cutter bar is damaged, and particularly, when a blood vessel is coagulated in the operation process, if the cutter bar is suddenly broken or the coagulation fails, the patient can bleed greatly, and the patient dies or major medical accidents are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a damping type ultrasonic cutter, and aims to solve the problem that a cutter bar is easy to damage in the prior art.
The damping type ultrasonic cutter comprises a cutter bar and at least one damper, wherein the outer end of the cutter bar is used for ultrasonic operation, and the inner end of the cutter bar is used for being connected with an ultrasonic machine; the cutter arbor includes inner core body and rod shell, the rod shell cover is established the inner core body is arranged, the attenuator cover is established the inner core body is arranged, the rod shell with the inner core body centre gripping the attenuator is arranged.
Further, the damper has a side end opening extending in a length direction of the damper and disposed through both ends.
Further, the side end opening has a width value, and the damper has an inner diameter value, which is greater than the width value.
Further, the cutter bar has a bar diameter value, and the inner diameter value is smaller than or equal to the bar diameter value; or the cutter bar is provided with a large-diameter section and a small-diameter section, the large-diameter section and the small-diameter section are arranged in a step shape, the damper is arranged corresponding to the large-diameter section, the large-diameter section has a section diameter value, and the inner diameter value is smaller than or equal to the section diameter value.
Furthermore, the side end opening and the central axis of the damper are arranged correspondingly.
Further, the length of the damper is less than 2 mm; the dampers are arranged in a cylindrical shape, or in an elliptical shape, or in a polygonal shape.
Furthermore, the side end opening and the central axis of the damper are arranged correspondingly.
Furthermore, the damping formula supersound cutter includes a plurality of the attenuator, each the attenuator is established respectively the cover the inner core body is arranged, and each the attenuator is the interval arrangement and arranges.
Further, the damper is arranged elastically, and the damper is arranged to apply elastic acting force to the inner core body and the rod shell sleeve respectively.
Further, the damper is made of high-temperature-resistant materials, and the damper has a temperature bearing value which is greater than 100 ℃.
Compared with the prior art, when the damping type ultrasonic cutter provided by the utility model is used for ultrasonic operation, an ultrasonic instrument outputs ultrasonic waves to the cutter bar, the ultrasonic waves are transmitted along the axial direction of the cutter bar, and meanwhile, the cutter bar does longitudinal telescopic motion, clutter generated on the cutter bar plays a damping effect under the action of the damper, so that the phenomenon that the cutter bar is damaged due to instantaneous impact on the cutter bar caused by ultrasonic vibration is avoided, the reduction of sound radiation generated due to mechanical vibration is facilitated, and mechanical noise is reduced; especially, in the operation process, when the blood vessel is coagulated, if the cutter bar is suddenly broken or the blood coagulation fails, the patient can be caused to die or major medical accidents due to the heavy bleeding, and the sudden breakage of the cutter bar is effectively avoided under the action of the damper, so that the risk of the medical accidents is reduced.
Drawings
FIG. 1 is a perspective view of a damped ultrasonic tool provided by the present invention;
FIG. 2 is a perspective view of a damper of a first embodiment of a damped ultrasonic tool provided by the present invention;
FIG. 3 is a perspective view of a damper of a second embodiment of the damped ultrasonic tool of the present invention;
FIG. 4 is a perspective view of a damper of a third embodiment of a damped ultrasonic tool provided by the present invention;
FIG. 5 is a perspective view of a damper of a damped ultrasonic tool according to the present invention in cooperation with an ultrasonic machine;
FIG. 6 is an enlarged view of part A of the damped ultrasonic tool of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-6, preferred embodiments of the present invention are shown.
The damping type ultrasonic cutter comprises a cutter bar 1 and at least one damper 2, wherein the outer end of the cutter bar 1 is used for ultrasonic operation, and the inner end of the cutter bar 1 is used for being connected with an ultrasonic machine 3; the cutter arbor 1 includes inner core body 11 and rod shell 12, and the rod shell 12 cover is established inner core body 11 and is arranged, and 2 covers of attenuator are established inner core body 11 and are arranged, and rod shell 12 and 11 centre gripping attenuator 2 of inner core body are arranged.
When the damping type ultrasonic cutter is used for ultrasonic operation, an ultrasonic instrument outputs ultrasonic waves to the cutter bar 1, the ultrasonic waves are transmitted along the axial direction of the cutter bar 1, meanwhile, the cutter bar 1 does longitudinal telescopic motion, clutter generated on the cutter bar 1 plays a damping effect under the action of the damper 2, the phenomenon that the cutter bar 1 is damaged after the cutter bar 1 is subjected to transient impact due to ultrasonic vibration is avoided, the reduction of sound radiation generated due to mechanical vibration is facilitated, and mechanical noise is reduced; especially, in the operation process, when blood vessels are coagulated, if the cutter bar 1 is suddenly broken or blood coagulation fails, the patient can suffer from heavy bleeding to cause death or major medical accidents, and under the action of the damper 2, the cutter bar 1 is effectively prevented from being suddenly broken, and the risk of the medical accidents is reduced.
The damper 2 has a side end opening 21, the side end opening 21 extending in the length direction of the damper 2 and arranged through both ends; the force at the side end opening 21 facilitates installation of the damper 2 and contributes to an enhanced damping effect.
The side end opening 21 has a width value, the damper 2 has an inner diameter value, and the inner diameter value is larger than the width value; in this way, the installation stability of the damper 2 is enhanced.
The cutter bar 1 has a rod diameter value, and the inner diameter value is less than or equal to the rod diameter value; facilitating the cooperation between the tool shank 1 and the damper 2.
Or the cutter bar is provided with a large-diameter section and a small-diameter section which are arranged in a step shape, the damper is arranged corresponding to the large-diameter section, the large-diameter section has a section diameter value, and the inner diameter value is smaller than or equal to the section diameter value; facilitating the cooperation between the tool shank 1 and the damper 2.
The length of the damper is less than 2 mm.
Damping formula supersound cutter includes a plurality of dampers 2, and each damper 2 overlaps respectively and establishes inner core body 11 and arranges, and each damper 2 is interval arrangement and arranges, under the mating reaction of a plurality of dampers 2, plays the damping effect to inner core body 11 and rod shell 12 all-roundly, effectively avoids inner core body 11 and rod shell 12's sudden fracture, ensures the security of ultrasonic operation.
The side end openings 21 of the dampers 2 are correspondingly arranged, so that the dampers 2 can be conveniently matched with each other, and the damping effect can be enhanced.
The damper 2 is arranged elastically, and the damper 2 applies elastic acting force to the inner core body 11 and the rod shell 12 respectively; like this, strengthen the mating effect between attenuator 2 and the inner core body 11, strengthen the mating effect between attenuator 2 and the pole shell 12, greatly strengthen the damping effect of attenuator 2, effectively avoid the snap-off of inner core body 11 and pole shell 12.
The damper 2 is made of high-temperature-resistant materials, and the damper 2 has a temperature bearing value which is greater than 100 ℃; the service life of the damper 2 is prolonged, and the use scene of the damper 2 is enlarged.
The damper 2 is made of materials such as PVC, FETP, silica gel, polyimide, FEP, PFA and the like, and is made of one or more materials by mixing.
Binding surfaces are formed at two ends of the damper 2 respectively, the binding surfaces are arranged in an annular mode, and the side end opening 21 penetrates through the binding surfaces; along the outward direction, the thickness of the binding surface is arranged in a gradually reduced manner; in this way, the fitting between the damper 2, the core body 11, and the rod shell 12 is facilitated.
The first embodiment is as follows:
The side end opening 21 and the central axis of the damper 2 are arranged correspondingly, so that the installation stability of the damper 2 is enhanced, and the damping effect is improved.
Example two:
the damper 2 is arranged in an oval shape, the collision area between the damper 2 and the inner core body 11 is increased, the collision area between the damper 2 and the rod shell 12 is increased, and the damping effect is improved.
The side end opening 21 and the central axis of the damper 2 are arranged correspondingly, so that the installation stability of the damper 2 is enhanced, and the damping effect is improved.
Example three:
the damper 2 is arranged in a polygonal shape, the collision area between the damper 2 and the inner core body 11 is increased, the collision area between the damper 2 and the rod shell 12 is increased, and the damping effect is improved.
The side end opening 21 and the central axis of the damper 2 are arranged correspondingly, so that the installation stability of the damper 2 is enhanced, and the damping effect is improved.
The damper 2 is arranged in a hexagonal shape, the collision area between the damper 2 and the inner core body 11 is increased, the collision area between the damper 2 and the rod shell 12 is increased, and the damping effect is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The damping type ultrasonic cutter is characterized by comprising a cutter bar and at least one damper, wherein the outer end of the cutter bar is used for ultrasonic operation, and the inner end of the cutter bar is used for being connected with an ultrasonic machine; the cutter arbor includes inner core body and rod shell, the rod shell cover is established the inner core body is arranged, the attenuator cover is established the inner core body is arranged, the rod shell with the inner core body centre gripping the attenuator is arranged.
2. The damped ultrasonic tool of claim 1 wherein the damper has a side end opening extending along a length of the damper and disposed through both ends.
3. The damped ultrasonic tool of claim 2 wherein the side end opening has a width value and the damper has an inner diameter value, the inner diameter value being greater than the width value.
4. The damped ultrasonic tool of claim 3 wherein the tool shank has a shank diameter value, the inner diameter value being less than or equal to the shank diameter value; or the cutter bar is provided with a large-diameter section and a small-diameter section, the large-diameter section and the small-diameter section are arranged in a step shape, the damper is arranged corresponding to the large-diameter section, the large-diameter section has a section diameter value, and the inner diameter value is smaller than or equal to the section diameter value.
5. The damped ultrasonic tool of claim 4 wherein the side end openings are disposed in correspondence with a central axis of the damper.
6. The damped ultrasonic tool of claim 2 wherein the damper is less than 2mm in length; the dampers are arranged in a cylindrical shape, or in an elliptical shape, or in a polygonal shape.
7. The damped ultrasonic tool of claim 6 wherein the side end opening is disposed in correspondence with a central axis of the damper.
8. The damped ultrasonic tool according to any one of claims 1 to 7 wherein the damped ultrasonic tool comprises a plurality of the dampers, each of the dampers is respectively sleeved on the inner core body, and each of the dampers is arranged at intervals.
9. The damped ultrasonic tool according to any one of claims 1 through 7 wherein the damper is resiliently disposed and the damper is resiliently disposed to apply a resilient force to the core body and the shank sleeve, respectively.
10. The damped ultrasonic tool according to any one of claims 1 through 7 wherein the damper is formed from a high temperature resistant material, the damper having a temperature tolerance value, the temperature tolerance value being greater than 100 degrees Celsius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256075.4U CN216090688U (en) | 2021-09-16 | 2021-09-16 | Damping type ultrasonic cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122256075.4U CN216090688U (en) | 2021-09-16 | 2021-09-16 | Damping type ultrasonic cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216090688U true CN216090688U (en) | 2022-03-22 |
Family
ID=80734579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122256075.4U Active CN216090688U (en) | 2021-09-16 | 2021-09-16 | Damping type ultrasonic cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216090688U (en) |
-
2021
- 2021-09-16 CN CN202122256075.4U patent/CN216090688U/en active Active
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