CN212234595U - Linear ultrasonic surgical knife bar and ultrasonic surgical instrument - Google Patents
Linear ultrasonic surgical knife bar and ultrasonic surgical instrument Download PDFInfo
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- CN212234595U CN212234595U CN202020336071.XU CN202020336071U CN212234595U CN 212234595 U CN212234595 U CN 212234595U CN 202020336071 U CN202020336071 U CN 202020336071U CN 212234595 U CN212234595 U CN 212234595U
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Abstract
The embodiment of the application discloses linear ultrasonic surgical knife bar and ultrasonic surgical instrument. One embodiment of the linear ultrasonic surgical knife bar comprises an ultrasonic energy output end 101 and an ultrasonic energy transmission rod 102, wherein the ultrasonic energy output end 101 is arranged on the ultrasonic energy transmission rod 102, the ultrasonic energy output end 101 is in a linear structure, and an anti-bonding coating 103 is attached to the surface of the ultrasonic energy output end 101. The embodiment can make sound waves propagate in a straight medium, can increase the amplitude at the tip of the cutter rod, thereby improving the transmission efficiency of energy, and can avoid the risk of failure of cutting and blood vessel coagulation of tissues caused by the adhesion of the cutter rod at the cutting area part of the ultrasonic cutter and soft tissues and or blood when the ultrasonic cutter is used for cutting the soft tissues and coagulating the blood vessels.
Description
Technical Field
The embodiment of the application relates to the technical field of medical instruments, in particular to a linear ultrasonic surgical knife bar and an ultrasonic surgical instrument.
Background
In the existing ultrasonic surgical knife, the cutting part of the knife bar is bent, and only blood vessels with the diameter not more than 3mm can be coagulated in the working process. Because the stress of each cross section is different when the cutter bar cutting part of the ultrasonic cutter is driven by sound waves to do longitudinal telescopic motion at the longitudinal wave frequency ranging from 47kHz to 56kHz, other noise waves (such as transverse waves, bending waves or torsional waves) can be generated at the bent cutter bar cutting part, and the cutter bar is broken due to uneven stress of the cutter bar caused by the noise waves, so that the ultrasonic cutter cannot work normally after the cutter bar is broken. In addition, the cutter bar of the cutting region part of the existing ultrasonic cutter can cause the soft tissue, blood and the like to be bonded with the cutter bar when cutting the soft tissue and coagulating the blood vessel, thereby causing the failure of the cutting of the tissue and the coagulation of the blood vessel.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a linear ultrasonic surgical knife bar and an ultrasonic surgical instrument, and solves the technical problems mentioned in the background technology.
In a first aspect, the present disclosure provides a linear ultrasonic surgical knife bar, which includes an ultrasonic energy output end 101 and an ultrasonic energy conducting rod 102, wherein the ultrasonic energy output end 101 is disposed on the ultrasonic energy conducting rod 102, the ultrasonic energy output end 101 is in a linear structure, and an anti-adhesion coating 103 is attached to a surface of the ultrasonic energy output end 101.
In some embodiments, the cross-sectional area of the ultrasonic energy output end 101 remains the same from the bottom 1011 to the top 1012.
In some embodiments, the working width of the cross-section of the ultrasonic energy output end 101 is 1.3mm to 2.3 mm.
In some embodiments, the cross-sectional area of the ultrasonic energy output end 101 decreases from the bottom 1011 to the top 1012.
In some embodiments, the cross-section of the bottom 1011 has a working width of 1.3mm to 2.3mm and the cross-section of the top 1012 has a working width of 0.7mm to 1.2 mm.
In some embodiments, the ultrasonic energy output port 101 and the ultrasonic energy conducting rod 102 are integrally formed.
In some embodiments, the release coating 103 comprises a polymeric material.
In some embodiments, anti-adhesion coating 103 is composed of tungsten disulfide, molybdenum disulfide, graphite, and fluorinated polymers.
In some embodiments, the anti-bond coating 103 comprises a ceramic material, and the ceramic material comprises at least one of: chromium carbide, tungsten carbide, titanium nitride, aluminum oxide, and chromium nitride.
In a second aspect, embodiments of the present application provide an ultrasonic surgical instrument, including: an ultrasonic scalpel host 401, an excitation switch 402 and an ultrasonic scalpel handle 403, wherein the ultrasonic scalpel handle includes the linear ultrasonic scalpel bar 4031 described in any of the embodiments of the first aspect, and the ultrasonic scalpel host is connected to the excitation switch and the ultrasonic scalpel handle, respectively.
According to the linear ultrasonic surgical knife bar and the ultrasonic surgical instrument provided by the embodiment of the application, the ultrasonic energy output end is set to be in a linear structure, when the knife bar does longitudinal telescopic motion under the driving of ultrasonic waves at the longitudinal wave frequency of 25kHz-60kHz, the knife bar cannot generate clutter (such as transverse wave, bending wave or torsional wave), so that the condition that the knife bar is unevenly stressed due to the fact that the clutter occurs in a cutting area of the ultrasonic energy output end is avoided, and the risk of breakage of the knife bar is reduced. And the sound wave is propagated in a straight medium, so that the amplitude of the sound wave at the tip of the cutter bar is increased, the energy transmission efficiency is improved, and the operation time is shortened. By arranging the anti-bonding coating on the ultrasonic energy output end, the risk of failure of tissue cutting and blood vessel coagulation caused by bonding of the cutter bar of the cutting area part of the ultrasonic cutter with soft tissue and/or blood during cutting of soft tissue and blood vessel coagulation can be avoided during the operation of the ultrasonic cutter.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of one embodiment of a linear ultrasonic surgical blade according to the present application;
FIG. 2 is a schematic illustration of various shapes of cross-sections of an ultrasonic energy output end according to the present application;
fig. 3 is another schematic view of an ultrasonic energy output port according to the present application.
FIG. 4 is a schematic structural view of an embodiment of an ultrasonic surgical instrument according to the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the relevant portions of the related inventions are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
FIG. 1 shows a schematic view of one embodiment of a linear ultrasonic surgical blade of the present application. As shown in fig. 1, the linear ultrasonic surgical knife bar 100 includes an ultrasonic energy output terminal 101 and an ultrasonic energy transmission rod 102, wherein the ultrasonic energy output terminal 101 is disposed on the ultrasonic energy transmission rod 102, the ultrasonic energy output terminal 101 has a linear structure, and an anti-adhesion coating 103 is attached to a surface of the ultrasonic energy output terminal 101.
Specifically, the shape of the cross section of the ultrasonic energy output port 101 may be various shapes. Such as circular, elliptical, polygonal, etc. The ultrasonic energy output terminal 101 is provided with a groove so that the cross section assumes a shape as shown by 1013 in fig. 1. The cross-section shown as 1013 in fig. 1 may form a blunt edge so that the blunt edge may be brought into contact with biological tissue for cutting during surgery. The ultrasonic energy output end 101 may also have a cross-section of various other shapes. As an example, as shown in fig. 2, various cross-sectional shapes are shown.
In some alternative implementations of the present embodiment, as shown in fig. 1, the cross-sectional area of the ultrasonic energy output end 101 remains the same from the bottom 1011 to the top 1012. This implementation can make the cutting part of ultrasonic energy output 101 present even columnar structure, is favorable to improving the mechanical strength of ultrasonic energy output 101, reduces the risk of the fracture because of the atress leads to in the operation process.
In some alternative implementations of the present embodiment, the cross-section of the ultrasonic energy output end 101 as shown in fig. 1 has a working width of 1.3mm to 2.3 mm. The working width range provided by the implementation mode can enable the size of the ultrasonic energy output end 101 to be moderate, the mechanical strength of the ultrasonic energy output end 101 can be guaranteed, the ultrasonic energy output end is not easy to break, the size of the ultrasonic energy output end is not too large, and therefore the ultrasonic energy output end can be applied to minimally invasive surgery, and the using scene of the cutter bar is enriched. The implementation mode can also coagulate blood vessels with the diameter not more than 4.5mm, improve the precision of minimally invasive surgery and reduce lateral thermal injury to biological tissues.
In some alternative implementations of the present embodiment, as shown in fig. 3, the cross-sectional area of the ultrasonic energy output end 101 gradually decreases from the bottom 1011 to the top 1012. Fig. 3(a) is a front view of the ultrasonic energy output port 101, and fig. 3(b) is a perspective view of the ultrasonic energy output port 101. This implementation mode can make ultrasonic energy output end 101 present approximate toper shape from bottom 1011 to top 1012 to can make the amplitude at the top of ultrasonic surgery cutter arbor bigger, improved the transmission efficiency of ultrasonic energy.
In some alternative implementations of this embodiment, the cross-section of the bottom 1011 has a working width of 1.3mm-2.3mm and the cross-section of the top 1012 has a working width of 0.7mm-1.2 mm. The working width is shown as L in fig. 3. The working width range provided by the implementation mode can enable the size of the ultrasonic energy output end 101 to be moderate, the mechanical strength of the ultrasonic energy output end 101 can be guaranteed, the ultrasonic energy output end is not easy to break, the size of the ultrasonic energy output end is not too large, and therefore the ultrasonic energy output end can be applied to minimally invasive surgery, and the using scene of the cutter bar is enriched. The implementation mode can also coagulate blood vessels with the diameter not more than 4.5mm, improve the precision of minimally invasive surgery and reduce lateral thermal injury to biological tissues.
In this embodiment, the ultrasonic energy output port 101 may be disposed on the ultrasonic energy conducting rod 102 in various manners, for example, the ultrasonic energy output port 101 may be fixed on the ultrasonic energy conducting rod 102 by welding, screwing, or the like.
In some alternative implementations of the present embodiment, the ultrasonic energy output port 101 and the ultrasonic energy conducting rod 102 are integrally formed. The linear ultrasonic surgical knife bar in an integrated forming mode can reduce the loss of ultrasonic energy in the transmission process caused by the connection of all parts.
In some alternative implementations of the present embodiment, the anti-adhesion coating 103 comprises a polymeric material. The cost of the polymer material is lower, and the manufacturing cost of the linear ultrasonic surgical knife bar can be reduced.
Optionally, the anti-adhesive coating 103 is composed of at least one of the following materials: copolymer of tetrafluoroethylene TFE and hexafluoropropylene HFP FEP, liquid FEP, FEP/ceramic composite, liquid FEP ceramic epoxy composite, polytetrafluoroethylene PTFE, PTFE/ceramic composite.
In some alternative implementations of the present embodiment, the anti-adhesion coating 103 is composed of tungsten disulfide, molybdenum disulfide, graphite, and a fluorinated polymer. The anti-adhesion coating in the implementation mode is made of polymer materials and other inorganic materials, so that the mechanical strength of the anti-adhesion coating can be improved, the service life of the anti-adhesion coating is prolonged, and the service life of the cutter bar is prolonged.
In some alternative implementations of the present embodiment, the anti-bonding coating 103 includes a ceramic material, and the ceramic material includes at least one of: chromium carbide, tungsten carbide, titanium nitride, aluminum oxide, and chromium nitride. The ceramic material has high mechanical strength and is not easy to damage, and the service life of the linear ultrasonic surgical knife bar can be prolonged.
Alternatively, the anti-adhesion coating 103 may comprise a metal. Wherein the metal comprises at least one of: aluminum, stainless steel, and molybdenum. Because the mechanical strength of metal is high, ductility is strong, adopts metal material's anti-adhesion coating, can improve the toughness of anti-adhesion coating, reduces and damages the probability, improves the life of cutter arbor.
According to the linear ultrasonic surgical knife bar provided by the embodiment of the application, the ultrasonic energy output end (101) is arranged to be in a linear structure, and when the knife bar does longitudinal telescopic motion at the longitudinal wave frequency of 25kHz-60kHz under the driving of ultrasonic waves, the knife bar cannot generate noise waves (such as transverse waves, bending waves or torsional waves), so that the condition that the knife bar is stressed unevenly due to the noise waves in the cutting area of the ultrasonic energy output end is avoided, and the risk of breakage of the knife bar is reduced. And the sound wave is propagated in a straight medium, so that the amplitude of the sound wave at the tip of the cutter bar is increased, the energy transmission efficiency is improved, and the operation time is shortened. By providing the anti-adhesion coating on the ultrasonic energy output end, the risk of failure of cutting of tissues and blood vessel coagulation caused by adhesion of the cutter bar of the cutting area part of the ultrasonic cutter with soft tissues and/or blood during cutting of soft tissues and blood vessel coagulation can be avoided during operation of the ultrasonic cutter.
With further reference to FIG. 4, a schematic structural diagram of one embodiment of an ultrasonic surgical instrument 400 of the present application is shown. The ultrasonic surgical instrument 400 includes: an ultrasonic scalpel host 401, an excitation switch 402 and an ultrasonic scalpel handle 403, wherein the ultrasonic scalpel handle includes the linear ultrasonic scalpel bar 4031 described in the embodiment of fig. 1, and the ultrasonic scalpel host is connected to the excitation switch and/or the ultrasonic scalpel handle, respectively. The ultrasonic-blade main unit can perform functional configuration on the ultrasonic-blade handle 403, for example, setting output energy and the like. The ultrasonic blade activation switch may include, but is not limited to, at least one of: foot switches, hand switches, etc.
The ultrasonic surgical instrument provided by the above embodiment of the present application, by introducing the linear ultrasonic surgical knife bar described in the embodiment shown in fig. 1, can make the ultrasonic wave propagate in the linear medium, and can make the amplitude at the knife bar tip increase, thereby improving the transmission efficiency of energy, and thus shortening the operation time. The risk that the cutter bar of the cutting area part of the ultrasonic cutter is bonded with soft tissue and/or blood to cause failure of cutting of the tissue and blood vessel coagulation when the ultrasonic cutter handle is used for operation can be avoided.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (10)
1. The linear ultrasonic surgical knife bar is characterized by comprising an ultrasonic energy output end (101) and an ultrasonic energy conduction rod (102), wherein the ultrasonic energy output end (101) is arranged on the ultrasonic energy conduction rod (102), the ultrasonic energy output end (101) is of a linear structure, and an anti-adhesion coating (103) is attached to the surface of the ultrasonic energy output end (101).
2. The linear ultrasonic surgical blade holder according to claim 1, wherein the cross-sectional area of the ultrasonic energy output (101) remains the same from the bottom (1011) to the top (1012).
3. The linear ultrasonic surgical blade holder according to claim 2, wherein the working width of the cross section of the ultrasonic energy output (101) is 1.3mm to 2.3 mm.
4. The linear ultrasonic surgical blade holder according to claim 1, wherein the cross-sectional area of the ultrasonic energy output (101) decreases from the bottom (1011) to the top (1012).
5. The linear ultrasonic surgical blade holder according to claim 4, wherein the cross-section of the bottom (1011) has a working width of 1.3mm to 2.3mm and the cross-section of the top (1012) has a working width of 0.7mm to 1.2 mm.
6. The linear ultrasonic surgical blade holder according to claim 1, wherein the ultrasonic energy output (101) and the ultrasonic energy conducting rod (102) are formed in one piece.
7. The linear ultrasonic surgical blade holder according to one of claims 1 to 4, wherein the anti-adhesive coating (103) comprises a polymeric material.
8. The linear ultrasonic surgical blade holder according to claim 7, wherein the anti-adhesive coating (103) is composed of tungsten disulfide, molybdenum disulfide, graphite, and fluorinated polymer.
9. The linear ultrasonic surgical blade holder according to one of claims 1 to 4, wherein the anti-adhesive coating (103) comprises a ceramic material, and wherein the ceramic material comprises at least one of: chromium carbide, tungsten carbide, titanium nitride, aluminum oxide, and chromium nitride.
10. An ultrasonic surgical instrument, comprising: an ultrasonic scalpel host (401), an excitation switch (402) and an ultrasonic scalpel handle (403), wherein the ultrasonic scalpel handle comprises the linear ultrasonic scalpel bar (4031) of any one of claims 1-9, and the ultrasonic scalpel host is connected to the excitation switch and the ultrasonic scalpel handle, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336071.XU CN212234595U (en) | 2020-03-17 | 2020-03-17 | Linear ultrasonic surgical knife bar and ultrasonic surgical instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020336071.XU CN212234595U (en) | 2020-03-17 | 2020-03-17 | Linear ultrasonic surgical knife bar and ultrasonic surgical instrument |
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| CN212234595U true CN212234595U (en) | 2020-12-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
| CN115886975A (en) * | 2023-01-09 | 2023-04-04 | 厚凯(北京)医疗科技有限公司 | Ultrasonic blade, method of manufacturing ultrasonic blade, and ultrasonic blade system |
-
2020
- 2020-03-17 CN CN202020336071.XU patent/CN212234595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113180786A (en) * | 2021-04-29 | 2021-07-30 | 杭州淳通新材料科技有限公司 | TC4 ultrasonic scalpel and manufacturing method thereof |
| CN115886975A (en) * | 2023-01-09 | 2023-04-04 | 厚凯(北京)医疗科技有限公司 | Ultrasonic blade, method of manufacturing ultrasonic blade, and ultrasonic blade system |
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