CN206285143U - A kind of ultrasonic surgical blade waveguide rod - Google Patents
A kind of ultrasonic surgical blade waveguide rod Download PDFInfo
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- CN206285143U CN206285143U CN201620726626.5U CN201620726626U CN206285143U CN 206285143 U CN206285143 U CN 206285143U CN 201620726626 U CN201620726626 U CN 201620726626U CN 206285143 U CN206285143 U CN 206285143U
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- gain
- waveguide rod
- waveguide
- ultrasonic surgical
- surgical blade
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Abstract
A kind of amplitude and frequency all preferably ultrasound knife waveguide rods, it is made up of near-end gaining structure, distal end gaining structure, intermediate structure and frequency adjustment structure, wherein near-end gaining structure is connected near the position of waveguide rod extensional vibration antinode with intermediate structure by nearside gain step, distal end gaining structure is connected near the position of waveguide rod extensional vibration antinode with intermediate structure by distally gain step, and intermediate structure is by N (N>0, and N is integer) individual gain holding structure is connected near the position of waveguide rod extensional vibration antinode by intermediate gain step, and there is X (X in gain holding structure>0, and X is integer) individual frequency adjustment structure.The waveguide rod causes that ultrasonic surgical blade not only has larger cutter head amplitude, moreover it is possible to is operated in and stablizes under suitable vibration frequency, so that ultrasound knife can efficiently be cut to tissue.
Description
Technical field
The application is related to a kind of ultrasonic surgical instruments, more particularly to a kind of ultrasonic surgical blade with waveguide rod.
Background technology
At present clinically, ultrasonic surgical blade due to otch it is neat, hemostasis is fast, lesion size is small, produce smog
Few the advantages of, traditional Minimally Invasive Surgery apparatus such as electric knife, mechanical clamp is replaced more and more widely.Ultrasonic surgical blade passes through
Supersonic frequency generator makes cutter head carry out mechanical oscillation with certain supersonic frequency, vaporizes the hydrone in tissue, protein
Hydrogen bond fracture, cell disruption, reach tissue be cut open or solidify, the purpose of vessel sealing.Relevant research is had shown that (referring to " super
Sound scalpel operation principle and clinical practice ", woods National Day, bent wise man ..《Health care is equipped》.2008 year, and " supersonic operation
The optimization design of knife ", perhaps Zhou Hongsheng, the .. such as Xiao Fang《Acoustic technique》.2012 year 2 months)：It is 5x10 by particle acceleration4(g is g
Acceleration of gravity) mechanical oscillation when acting on vivo biological tissue, being applied position can be cut around without injuring by rapid
Tissue.The relation of the amplitude, frequency and acceleration of ultrasound knife cutter head is：A=A (2 π f)2, wherein, a is acceleration, and A is amplitude,
F is vibration frequency.Therefore, the vibration frequency and amplitude of ultrasound knife cutter head reflect its cutting power.
Ultrasonic surgical blade it is general by main frame, transducer, waveguide rod, cutter head, the subsidiary body of the above-mentioned part of connection support and
Other annexes are constituted.Wherein, main frame produces high frequency electric；Transducer is by high frequency current transitions into ultrasonic vibration；Pass through waveguide again
Bar is by transfer of ultrasonic energy to cutter head；Cutter head contacts friction with tissue so as to produce machine cuts and blood clotting to make
With.Generally, transducer using threaded connection, waveguide rod and cutter head between waveguide rod with that can use threaded connection, welding or straight
Connect and be integrally formed.Transducer, waveguide rod and cutter head resonate in normal work by resonant frequency.Waveguide rod is by ultrasound
During vibration passes to cutter head from transducer, on the one hand need to vibrate and amplify so that cutter head obtains enough amplitude, separately
One side waveguide rod stablizes suitable vibration frequency and also plays critical effect to cutter head holding.So, the design of waveguide rod
Need to take into account vibration frequency and amplitude gain.Seek that there is the waveguide rod for stablizing suitable vibration frequency and larger amplitude gain
Structure is always the direction that those skilled in the art make great efforts.
A kind of ultrasonic surgical blade with gain step is disclosed in patent CN200480036431.8, by setting ripple
The distance between gain step and node of oscillations obtain larger cutter head amplitude on guide rod；In patent CN201410068159.7
In disclose a kind of ultrasonic surgical blade with cycle repetitive structure waveguide rod, the repetitive structure can be operated in ultrasonic surgical blade
Under the frequency of stabilization.But the structure disclosed in above-mentioned patent is all just for the one side in waveguide rod amplitude and frequency,
Amplitude and frequency are not carried out integrating consideration.
Application content
For above-mentioned deficiency of the prior art, the application provides a kind of new ultrasonic surgical blade waveguide rod structure, makes
Obtaining ultrasonic surgical blade not only has larger cutter head amplitude, moreover it is possible to is operated in and stablizes under suitable vibration frequency, so that super
Sound knife can efficiently be cut to tissue.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of ultrasonic surgical blade waveguide rod, the waveguide rod by near-end gaining structure, distal end gaining structure, intermediate structure and
Frequency adjustment structure composition in intermediate structure.
The near-end gaining structure is passing through nearside gain with intermediate structure near the position of waveguide rod extensional vibration antinode
Step is connected.
The gain of the nearside gain step is more than or less than unit gain.The distance of the nearside gain step and antinode
Less than the 5% of waveguide rod extensional vibration half-wavelength, it is preferred that the nearside gain step is located at the position of antinode.
The distal end gaining structure is passing through distally gain with intermediate structure near the position of waveguide rod extensional vibration antinode
Step is connected.The gain of the distally gain step is more than or less than unit gain, the distally gain step and antinode away from
From 5% less than waveguide rod extensional vibration half-wavelength, it is preferred that the distally gain step is located at the position of antinode.
There is one or several near-end gain steps on the near-end gaining structure, the gain of the near-end gain step is big
In unit gain, the near-end gain step is close to the position of the node of waveguide rod extensional vibration, and near each node
Position only has 0 or 1 most proximal end gain step, and near-end gain step is less than waveguide rod extensional vibration half-wave with the distance of node
Long 5%, it is preferred that the near-end gain step is located at the position of node.
There is one or several distal end gain steps on the distal end gaining structure, the gain of the distal end gain step is big
In unit gain, the distal end gain step is close to the position of the node of waveguide rod extensional vibration, and near each node
Position only has 0 or 1 distalmost end gain step, and distal end gain step is less than waveguide rod extensional vibration half-wave with the distance of node
Long 5%, it is preferred that the distal end gain step is located at the position of node.
The intermediate structure is by N (N>0, and N is integer) individual gain holding structure is near waveguide rod extensional vibration antinode
Position be connected by intermediate gain step, the distance of the intermediate gain step and antinode is less than waveguide rod extensional vibration half-wave
Long 5%, it is preferred that the intermediate gain step is located at the position of antinode.
The frequency adjustment structure is arranged in the gain holding structure of the intermediate structure, the frequency adjustment structure
Quantity is X (X>0, and X is integer) individual, and each frequency adjustment structure forms the increasing of former and later two frequency modulation in gain holding structure
Beneficial step.
The node of one and only one waveguide rod extensional vibration between described former and later two frequency modulation gain steps, and it is front and rear
The distance between the distance between two frequency modulation gain steps two extensional vibration antinodes adjacent less than with node, it is described before and after
Two gains of frequency modulation gain step one of them more than unit gain, another is less than unit gain.
According to the application, near-end gaining structure and the preferred implementation of distal end gaining structure are：1) the near-end gain
Structure is located in the range of first half-wavelength of waveguide rod extensional vibration, near-end gain step near waveguide rod extensional vibration the
One position of node；2) the near-end gaining structure is located in the range of the first two half-wavelength of waveguide rod extensional vibration, near-end
Gain step is near first or second position of node of waveguide rod extensional vibration；3) the distal end gaining structure is located at ripple
In the range of last half-wavelength of guide rod extensional vibration, distal end gain step is last near waveguide rod extensional vibration
The position of individual node；4) the distal end gaining structure is located in the range of rear two half-wavelengths of waveguide rod extensional vibration, and distal end increases
Beneficial step is near the position of the individual or penultimate node last of waveguide rod extensional vibration.In addition, other meet
This application claims near-end gaining structure and distal end gaining structure implementation also in the row of protection of the invention.
Further, intermediate structure is by N (N>0, and N is integer) individual gain holding structure is near waveguide rod extensional vibration
The position of antinode is connected by intermediate gain step, and its preferred way of realization also has various：1) increasing in the intermediate structure
Number N=1 of beneficial holding structure；2) number N of the gain holding structure in the intermediate structure>1, and N is odd number, connection is each
The intermediate gain step of gain holding structure, its gain sequence is：From the 1st to (N-1)/2 intermediate gain step gain
More than unit gain, unit gain is less than from (N-1)/2+1 to the gain of (N-1) individual intermediate gain step；3) in described
Between gain holding structure in structure number N>1, and N is odd number, connects the intermediate gain step of each gain holding structure, its
Gain sequence is：Unit gain is less than from the 1st to the gain of (N-1)/2 intermediate gain step, from (N-1)/2+1 to the
(N-1) gain of individual intermediate gain step is more than unit gain；4) number N of the gain holding structure in the intermediate structure>
1, and N is odd number, connects the intermediate gain step of each gain holding structure, its gain sequence is by more than unit gain and less than list
Position gain is alternately arranged composition successively；5) number N of the gain holding structure in the intermediate structure>1, and N is odd number, connection
The intermediate gain step of each gain holding structure, its gain sequence is alternately arranged successively by less than unit gain and more than unit gain
Row are constituted；6) number N=2 of the gain holding structure, the gain for connecting 2 intermediate gain steps of gain holding structure is big
In unit gain；7) number N=2 of the gain holding structure, connect 2 increasings of the intermediate gain step of gain holding structure
Benefit is less than unit gain；8) number N of the gain holding structure>2, and N is even number, connects the centre of each gain holding structure
Gain step, its gain sequence is constituted by more than unit gain and being alternately arranged successively less than unit gain；9) gain is protected
Hold the number N of structure>2, and N is even number, connects the intermediate gain step of each gain holding structure, its gain sequence is by less than list
Position and is alternately arranged composition more than unit gain at gain successively.In addition, other meet this application claims intermediate structure
Implementation is also in the row of protection of the invention.
Further, there is one or several frequency adjustment structures, frequency adjustment structure in some gain holding structures
There are two kinds of ways of realization：1) former and later two frequency modulation gain steps of the frequency adjustment structure, wherein preceding frequency modulation gain step
Gain is less than unit gain, and the gain of rear frequency modulation gain step is more than unit gain；2) front and rear the two of the frequency adjustment structure
Individual frequency modulation gain step, wherein the gain of preceding frequency modulation gain step is more than unit gain, the gain of rear frequency modulation gain step is less than
Unit gain.
In a specific embodiment for ultrasound knife waveguide rod, the present invention is increased by above-mentioned near-end gaining structure, distal end
The different implementations of beneficial structure, intermediate structure and frequency adjustment structure are combined.
Each gain step mentioned above is selected from stepped, tapered, exponential type or stretched wire type.
Some benefits can be obtained from one or more ways of realization of the invention.Ultrasonic surgical blade waveguide rod of the invention
It is made up of near-end gaining structure, distal end gaining structure, intermediate structure and frequency adjustment structure.Wherein, near-end gaining structure is being leaned on
There is gain more than the near-end gain step of unit gain at the node of nearly waveguide rod extensional vibration；And those skilled in the art are
Know, in the gain step energy significant impact amplitude gain at node, the gain step more than unit gain can effectively be put
Large amplitude, the gain step less than unit gain can effectively reduce amplitude；Therefore, near-end gaining structure can for waveguide rod provide compared with
Big first amplitude gain.Gain holding structure in intermediate structure is at the antinode near waveguide rod extensional vibration by centre
Gain step is connected；It is known to those skilled in the art that influenceing smaller to amplitude gain in the gain step at antinode；Cause
This intermediate structure can ensure that ultrasonic wave amplitude during propagation in the intermediate structure of waveguide rod is not decayed substantially
And amplification, decay does not occur can keep near-end gaining structure to amplify the validity of amplitude, and not occurring to amplify can then reduce energy
Loss in transmittance process.Distal end gaining structure is similar with near-end gaining structure, at the node near waveguide rod extensional vibration
There is gain more than the distal end gain step of unit gain, larger secondary amplitude gain can be provided for waveguide rod.In this way, waveguide rod
Larger first amplitude gain is provided by near-end gaining structure, keeps amplitude gain not decay substantially by intermediate structure
And amplification, then provide larger secondary amplitude gain by distal end gaining structure, thus finally can for the vibration of cutter head provide compared with
Big amplitude.There is frequency adjustment structure in some gain holding structures of intermediate structure, frequency adjustment structure is arranged on ripple
Near the node of guide rod extensional vibration, and two frequency modulation gain steps, one of frequency modulation gain step are formed before and after node
Gain is more than unit gain, and a gain is less than unit gain, and such structure type only produces less shadow to amplitude gain
Ring, but can effectively adjust the vibration frequency of waveguide rod, make the frequency stabilization that waveguide rod is vibrated in suitable scope.Thus, by
The waveguide rod that near-end gaining structure, distal end gaining structure, intermediate structure and frequency adjustment structure are combined can cause ultrasound knife
Larger amplitude can not only operationally be provided, moreover it is possible to which stable is operated under suitable working frequency, so as to human body
Tissue realizes efficient cutting.
Brief description of the drawings
The waveform that Fig. 1 is generated for the ultrasonic surgical blade waveguide rod of first implementation method of the application and along the waveguide rod.
The waveform that Fig. 2 is generated for the ultrasonic surgical blade waveguide rod of second implementation method of the application and along the waveguide rod.
The waveform that Fig. 3 is generated for the ultrasonic surgical blade waveguide rod of the 3rd implementation method of the application and along the waveguide rod.
The waveform that Fig. 4 is generated for the ultrasonic surgical blade waveguide rod of the 4th implementation method of the application and along the waveguide rod.
The waveform that Fig. 5 is generated for the ultrasonic surgical blade waveguide rod of the 5th implementation method of the application and along the waveguide rod.
Specific embodiment
Referring to accompanying drawing 1, its ultrasonic surgical blade waveguide rod for being shown as first implementation method of the application and along the waveguide
The waveform of bar generation.The ultrasonic surgical blade waveguide rod is by near-end gaining structure 1, distal end gaining structure 2, intermediate structure 3 and frequency
Adjustment structure 41,42,43 is constituted.Curve 50 in accompanying drawing 1 below waveguide rod is the extensional vibration amplitude curve of the waveguide rod, horizontal
Axle is normalization length, and the longitudinal axis is normalized amplitude.In curve 50,501 to 509 is the node of extensional vibration, wherein node
501 is the first node, and node 509 is node last, and 510 to 519 is the anti-node location of extensional vibration, wherein antinode 510
It is the first antinode, antinode 519 is antinode last.Near-end gaining structure 1 passes through the phase of nearside gain step 13 with intermediate structure 3
Even, second antinode 511 for being located proximate to extensional vibration of the nearside gain step 13, and the gain of nearside gain step 13 is more than
Unit gain.Distal end gaining structure 2 is connected with intermediate structure 3 by distally gain step 23, the position of the distally gain step 23
The antinode second from the bottom 518 of nearly extensional vibration is rested against, and the gain of distally gain step 23 is less than unit gain.
Near-end gaining structure 1 has a most proximal end gain in the position of the first node 501 near waveguide rod extensional vibration
Step 11.The gain of the most proximal end gain step 11 is more than unit gain, as amplifies step.Distal end gaining structure 2 is being close to
There is a distalmost end gain step 21 position of the node last 509 of waveguide rod extensional vibration.The distalmost end gain step
21 gain is more than unit gain, as amplifies step.Near-end gaining structure 1 and distal end gaining structure 2 are by their gain platform
The position that rank (i.e. most proximal end gain step 11 and distalmost end gain step 21) is positioned close to node can effectively improve amplitude increasing
Benefit.The whole final amplitude gain of waveguide rod is also mainly determined by the gain of near-end gaining structure 1 and distal end gaining structure 2.Such as
Shown in accompanying drawing 1, most proximal end gain step 11 causes that the amplitude gain between the second antinode 511 and the first antinode 510 is about 1.9,
Distalmost end gain step 21 causes that the amplitude gain between antinode last 519 and antinode second from the bottom 518 is about 3, so that
Thus the final amplitude gain of waveguide rod just enables that ultrasound knife cutter head produces larger amplitude up to 5.7.
The intermediate structure 3 of waveguide rod is by N (N>0, and N is integer) individual gain holding structure composition, in the reality described in accompanying drawing 1
Apply and be made up of three gain holding structures 31,32 and 33 in mode.First gain holding structure 31 and the second gain keep
Structure 32 is connected by intermediate gain step 312.The 4th antinode 513 for being located proximate to extensional vibration of the intermediate gain step 312,
And the gain of the intermediate gain step 312 is more than unit gain.Second gain holding structure 32 and the 3rd gain holding structure
33 are connected by intermediate gain step 323.The antinode third from the bottom 517 for being located proximate to extensional vibration of the intermediate gain step 323,
And the gain of the intermediate gain step 323 is less than unit gain.Applicants have discovered that, gain holding structure 31,32 and 33 this
Plant and ensure that ultrasonic vibration knot in the middle of waveguide rod in the structure being connected by gain step at the antinode of extensional vibration
Amplitude is not decayed substantially and is amplified during being propagated on structure, and cutter head is delivered to so as to be conducive to energy more stable.
It is that the second gain is protected in the implementation method shown in accompanying drawing 1 in some gain holding structures of intermediate structure 3
Hold in structure 32, there also is provided frequency adjustment structure 41,42,43, each frequency adjustment structure is respectively provided with the increasing of former and later two frequency modulation
Beneficial step.Referring to accompanying drawing 1, by taking frequency adjustment structure 43 as an example, it forms the increasing of former and later two frequency modulation in gain holding structure 32
Beneficial step 431 and 432, wherein the gain of preceding frequency modulation gain step 431 is less than unit gain, the increasing of rear frequency modulation gain step 432
Benefit is more than unit gain.And one and only one waveguide rod extensional vibration between former and later two frequency modulation gain steps 431 and 432
The distance between node 506, former and later two frequency modulation gain steps two extensional vibration antinodes 515 adjacent less than with node 506
With the distance between 516.Applicants have discovered that, by increasing or decreasing the number of frequency adjustment structure, increasing or decreasing frequency
The distance between gain step or increase or decrease the gain size of front and rear gain step and can adjust ripple before and after adjustment structure
The frequency of guide rod vibration and will not produce influence to the amplitude of waveguide rod final output substantially.Adjustment frequency structure as described above
41st, 42,43 cause that the resonant frequency of waveguide rod is maintained in required scope, so that ultrasound knife energy steady operation is suitable
Frequency under.
According to the structure type described in illustrations 1, provide larger by near-end gaining structure 1 and distal end gaining structure 2
Amplitude gain so that for the vibration of ultrasonic cutter head provides larger amplitude；Gain holding structure 31,32 in intermediate structure 3
Can ensure that ultrasonic vibration amplitude during propagation in the intermediate structure of waveguide rod is not decayed substantially and put with 33
Greatly；Frequency adjustment structure 41,42,43 causes the frequency stabilization of waveguide rod vibration in suitable scope.Thus, ultrasound knife is in work
When larger amplitude can not only be provided, moreover it is possible to stabilization be operated under suitable frequency, so as to realize to tissue
High efficiency cutting.
The ripple that accompanying drawing 2 is generated for the ultrasonic surgical blade waveguide rod of second implementation method of the application and along the waveguide rod
Shape.The implementation method is made up of near-end gaining structure 1, distal end gaining structure 2, intermediate structure 3 and frequency adjustment structure 4.Wherein
Near-end gaining structure is in the range of first half-wavelength of waveguide rod extensional vibration, and most proximal end gain step is indulged near first
To the node of vibration；Distal end gaining structure is in the range of last half-wavelength of waveguide rod extensional vibration, and distalmost end increases
Beneficial step is near the last node of extensional vibration.Near-end gaining structure is with intermediate structure near waveguide rod extensional vibration
Second position of antinode be connected, the gain of nearside gain step is more than unit gain；Distal end gaining structure and intermediate structure
It is connected in the position of the penultimate antinode near waveguide rod extensional vibration, the gain of distally gain step increases less than unit
Benefit.The intermediate structure of the implementation method is only made up of a gain holding structure, there is a frequency in the gain holding structure
Rate adjusts structure, and the gain of the preceding frequency modulation gain step of frequency adjustment structure is less than unit gain, the increasing of rear frequency modulation gain step
Benefit is more than unit gain.
The ripple that accompanying drawing 3 is generated for the ultrasonic surgical blade waveguide rod of the 3rd implementation method of the application and along the waveguide rod
Shape.The implementation method is made up of near-end gaining structure 1, distal end gaining structure 2, intermediate structure 3 and frequency adjustment structure 4.Wherein
Near-end gaining structure is in the range of first half-wavelength of waveguide rod extensional vibration, and most proximal end gain step is indulged near first
To the node of vibration；Distal end gaining structure is in the range of last half-wavelength of waveguide rod extensional vibration, and distalmost end increases
Beneficial step is near the last node of extensional vibration.Near-end gaining structure is with intermediate structure near waveguide rod extensional vibration
Second position of antinode be connected, the gain of nearside gain step is more than unit gain；Distal end gaining structure and intermediate structure
It is connected in the position of the penultimate antinode near waveguide rod extensional vibration, the gain of distally gain step increases less than unit
Benefit.The intermediate structure of the implementation method is made up of 31,32,33 3 gain holding structures, and first intermediate gain step
Gain is less than unit gain, and second gain of intermediate gain step is more than unit gain.In most middle gain holding structure
There is a frequency adjustment structure 4 on 32, the gain of the preceding frequency modulation gain step of the frequency adjustment structure is more than unit gain, after
The gain of frequency modulation gain step is less than unit gain.
The ripple that accompanying drawing 4 is generated for the ultrasonic surgical blade waveguide rod of the 4th implementation method of the application and along the waveguide rod
Shape.The implementation method is made up of near-end gaining structure 1, distal end gaining structure 2, intermediate structure 3 and frequency adjustment structure 4.Wherein
Near-end gaining structure is in the range of first half-wavelength of waveguide rod extensional vibration, and most proximal end gain step is indulged near first
To the node of vibration；Distal end gaining structure is in the range of last half-wavelength of waveguide rod extensional vibration, and distalmost end increases
Beneficial step is near the last node of extensional vibration.Near-end gaining structure is with intermediate structure near waveguide rod extensional vibration
Second position of antinode be connected, the gain of nearside gain step is more than unit gain；Distal end gaining structure and intermediate structure
It is connected in the position of the penultimate antinode near waveguide rod extensional vibration, the gain of distally gain step increases more than unit
Benefit.The intermediate structure of the implementation method is made up of 31,32,33,34 4 gain holding structures, and intermediate gain step gain
Sequence is constituted by less than unit gain and being alternately arranged more than unit gain.There is one in second gain holding structure 32
Frequency adjustment structure 4, the gain of the preceding frequency modulation gain step of the frequency adjustment structure is more than unit gain, rear frequency modulation gain step
Gain be less than unit gain.
The ripple that accompanying drawing 5 is generated for the ultrasonic surgical blade waveguide rod of the 5th implementation method of the application and along the waveguide rod
Shape.The implementation method is made up of near-end gaining structure 1, distal end gaining structure 2, intermediate structure 3 and frequency adjustment structure 4.Wherein
Near-end gaining structure is in the range of the first two half-wavelength of waveguide rod extensional vibration, and most proximal end gain step is respectively close to first
Individual and second node of extensional vibration；Last half-wavelength scope of the distal end gaining structure in waveguide rod extensional vibration
It is interior, and distalmost end gain step is near the last node of extensional vibration.Near-end gaining structure is being close to intermediate structure
3rd position of antinode of waveguide rod extensional vibration is connected, and the gain of nearside gain step is more than unit gain；Distal end gain
Structure is connected with intermediate structure in the position of the penultimate antinode near waveguide rod extensional vibration, the increasing of distally gain step
Benefit is less than unit gain.The intermediate structure of the implementation method is only made up of a gain holding structure, in the gain holding structure
Upper to there is a frequency adjustment structure, the gain of the preceding frequency modulation gain step of frequency adjustment structure is less than unit gain, rear frequency modulation
The gain of gain step is more than unit gain.
It should be noted that the gain step in the application example is all step type, but the application does not limit gain platform
The type of rank, conventional gain step type is such as tapered, exponential type, stretched wire type are all within the protection domain of the application.Separately
Outward, the embodiment in accompanying drawing 1 to accompanying drawing 5 is only the more representational several embodiments of the application, those skilled in the art
It is readily appreciated that, the protection domain of the application is not only limited in each implementation method limited range, to each implementation method
Combination, deformation, change are all fallen within the protection domain of the application.
Claims (28)
1. a kind of ultrasonic surgical blade waveguide rod, it is characterised in that the waveguide rod includes near-end gaining structure, distal end gain knot
Structure, intermediate structure and the frequency adjustment structure in intermediate structure, wherein
The near-end gaining structure is passing through nearside gain step with intermediate structure near the position of waveguide rod extensional vibration antinode
It is connected；
The distal end gaining structure is passing through distally gain step with intermediate structure near the position of waveguide rod extensional vibration antinode
It is connected；
The intermediate structure is made up of N number of gain holding structure, N>0 and N is integer；Work as N>When 1, between each gain holding structure
It is connected by intermediate gain step near the position of waveguide rod extensional vibration antinode；
The frequency adjustment structure is arranged in the gain holding structure, and the frequency adjustment structure quantity is X, X>0 and X
It is integer.
2. waveguide rod according to claim 1, it is characterised in that：The gain of the nearside gain step is more than or less than single
Position gain；The nearside gain step is less than the 5% of waveguide rod extensional vibration half-wavelength with the distance of antinode.
3. waveguide rod according to claim 2, the nearside gain step is located at the position of waveguide rod extensional vibration antinode.
4. waveguide rod according to claim 1, it is characterised in that：The gain of the distally gain step is more than or less than single
Position gain；The distally gain step is less than the 5% of waveguide rod extensional vibration half-wavelength with the distance of antinode.
5. ultrasonic surgical blade waveguide rod according to claim 4, the distally gain step is located at waveguide rod extensional vibration
The position of antinode.
6. ultrasonic surgical blade waveguide rod according to claim 1, wherein：The near-end gaining structure is located at waveguide rod longitudinal direction
In the range of first half-wavelength of vibration or in the range of the first two half-wavelength.
7. ultrasonic surgical blade waveguide rod according to claim 1, wherein：The distal end gaining structure is located at waveguide rod longitudinal direction
In the range of last half-wavelength of vibration or in the range of rear two half-wavelengths.
8. waveguide rod according to claim 1, it is characterised in that：Near waveguide rod longitudinal direction on the near-end gaining structure
There is one or several near-end gain steps in the position of the node of vibration, and position near each node only has 0 or 1
Near-end gain step；Near-end gain step is less than the 5% of waveguide rod extensional vibration half-wavelength with the distance of node, and the near-end increases
The gain of beneficial step is more than unit gain.
9. waveguide rod according to claim 8, the near-end gain step is located at the position of waveguide rod extensional vibration node.
10. waveguide rod according to claim 1, it is characterised in that：Near waveguide rod longitudinal direction on the distal end gaining structure
There is one or several distal end gain steps in the position of the node of vibration, and position near each node only has 0 or 1
Distal end gain step, distal end gain step is less than the 5% of waveguide rod extensional vibration half-wavelength with the distance of node, and the distal end increases
The gain of beneficial step is more than unit gain.
11. ultrasonic surgical blade waveguide rods according to claim 10, the distal end gain step longitudinally shakes positioned at waveguide rod
The position of dynamic node.
12. ultrasonic surgical blade waveguide rods according to claim 1, the intermediate gain step and waveguide rod extensional vibration ripple
5% of the distance of abdomen less than waveguide rod extensional vibration half-wavelength.
13. ultrasonic surgical blade waveguide rods according to claim 12, the intermediate gain step longitudinally shakes positioned at waveguide rod
The position of dynamic antinode.
14. ultrasonic surgical blade waveguide rods according to claim 1, wherein gain holding structure in the intermediate structure
Number N=1.
15. ultrasonic surgical blade waveguide rods according to claim 1, wherein gain holding structure in the intermediate structure
Number N>1, and N is odd number.
16. ultrasonic surgical blade waveguide rods according to claim 15, connect the intermediate gain of each gain holding structure
Step, its gain sequence is：From the 1st to (N-1)/2 intermediate gain step gain be more than unit gain, from (N-1)/
The gain of 2+1 to (N-1) individual intermediate gain step is less than unit gain.
17. ultrasonic surgical blade waveguide rods according to claim 15, connect the intermediate gain of each gain holding structure
Step, its gain sequence is：From the 1st to (N-1)/2 intermediate gain step gain be less than unit gain, from (N-1)/
The gain of 2+1 to (N-1) individual intermediate gain step is more than unit gain.
18. ultrasonic surgical blade waveguide rods according to claim 15, connect the intermediate gain of each gain holding structure
Step, its gain sequence is constituted by more than unit gain and being alternately arranged successively less than unit gain.
19. ultrasonic surgical blade waveguide rods according to claim 15, connect the intermediate gain of each gain holding structure
Step, its gain sequence is constituted by less than unit gain and being alternately arranged successively more than unit gain.
20. ultrasonic surgical blade waveguide rods according to claim 1, number N=2 of the gain holding structure.
21. ultrasonic surgical blade waveguide rods according to claim 20, connect the intermediate gain of 2 gain holding structures
The gain of step is more than unit gain.
22. ultrasonic surgical blade waveguide rods according to claim 20, connect the intermediate gain of 2 gain holding structures
The gain of step is less than unit gain.
23. ultrasonic surgical blade waveguide rods according to claim 1, the number N of the gain holding structure>2, and N is even
Number.
24. ultrasonic surgical blade waveguide rods according to claim 23, connect the intermediate gain of each gain holding structure
Step, its gain sequence is constituted by more than unit gain and being alternately arranged successively less than unit gain.
25. ultrasonic surgical blade waveguide rods according to claim 23, connect the intermediate gain of each gain holding structure
Step, its gain sequence is constituted by less than unit gain and being alternately arranged successively more than unit gain.
26. waveguide rods according to claim 1, it is characterised in that：Each frequency adjustment structure is in gain holding structure
Former and later two frequency modulation gain steps are formed, one and only one waveguide rod is longitudinally shaken between described former and later two frequency modulation gain steps
Dynamic node, and the distance between former and later two frequency modulation gain steps two extensional vibration antinodes adjacent less than with node it
Between distance, the gain of former and later two frequency modulation gain steps one of them more than unit gain, another increases less than unit
Benefit.
27. ultrasonic surgical blade waveguide rods according to claim 26, former and later two frequency modulation of the frequency adjustment structure increase
Beneficial step, wherein the gain of preceding frequency modulation gain step is less than unit gain, the gain of rear frequency modulation gain step is more than unit gain.
28. ultrasonic surgical blade waveguide rods according to claim 26, former and later two frequency modulation of the frequency adjustment structure increase
Beneficial step, wherein the gain of preceding frequency modulation gain step is more than unit gain, the gain of rear frequency modulation gain step is less than unit gain.
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| CN201620726626.5U CN206285143U (en) | 2016-07-11 | 2016-07-11 | A kind of ultrasonic surgical blade waveguide rod |
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| CN201620726626.5U CN206285143U (en) | 2016-07-11 | 2016-07-11 | A kind of ultrasonic surgical blade waveguide rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962996A (en) * | 2016-07-11 | 2016-09-28 | 上海逸思医疗科技有限公司 | Waveguide rod for ultrasound scalpel |
| CN110522496A (en) * | 2019-08-30 | 2019-12-03 | 盈甲医疗科技(北京)有限公司 | A kind of ultrasonic surgical instrument amplitude transformer and its ultrasonic surgical instrument |
-
2016
- 2016-07-11 CN CN201620726626.5U patent/CN206285143U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962996A (en) * | 2016-07-11 | 2016-09-28 | 上海逸思医疗科技有限公司 | Waveguide rod for ultrasound scalpel |
| WO2018010541A1 (en) * | 2016-07-11 | 2018-01-18 | 上海逸思医疗科技有限公司 | Ultrasonic scalpel waveguide shaft |
| CN105962996B (en) * | 2016-07-11 | 2019-05-10 | 上海逸思医疗科技有限公司 | A kind of ultrasonic surgical blade waveguide rod |
| US11141183B2 (en) | 2016-07-11 | 2021-10-12 | Yisi (Suzhou) Medical Technology Co., Ltd. | Waveguide rod for ultrasonic scalpel |
| CN110522496A (en) * | 2019-08-30 | 2019-12-03 | 盈甲医疗科技(北京)有限公司 | A kind of ultrasonic surgical instrument amplitude transformer and its ultrasonic surgical instrument |
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