CN110151258A - The support system of ultrasound waveguide - Google Patents
The support system of ultrasound waveguide Download PDFInfo
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- CN110151258A CN110151258A CN201910365530.9A CN201910365530A CN110151258A CN 110151258 A CN110151258 A CN 110151258A CN 201910365530 A CN201910365530 A CN 201910365530A CN 110151258 A CN110151258 A CN 110151258A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
- A61B2017/320082—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for incising tissue
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- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention belongs to ultrasonic surgery medical system technical fields, more particularly, to a kind of support system of ultrasound waveguide.It includes inner tube, waveguide, sealing support sleeve and at least one node support ring made of flexible material made of flexible material, the sealing support sleeve and node support ring are spaced apart and are respectively positioned on along waveguide axial direction at the node of waveguide, wherein sealing support sleeve is near the distal end of waveguide.Compared with prior art, the present invention provides reasonable support by sealing support sleeve and node support ring for the waveguide of conduct ultrasound mechanical energy.
Description
Technical field
The invention belongs to ultrasonic surgery medical system technical fields, are related to ultrasonic surgery medical treatment cutting bleeding instrument, especially
It is to be related to a kind of support system of ultrasound waveguide.
Background technique
Ultrasonic surgery medical treatment cutting bleeding instrument includes the components such as ultrasonic generator, energy converter and execution position, transducing
The high frequency electrical signal of ultrasonic generator is converted to the cutting and blood coagulation that ultrasonic mechanical energy is used for sufferer part by device.Ultrasonic surgery doctor
Cutting bleeding instrument is treated as high frequency electrosurgical operation tool, there is bleeding is few, injure less to surrounding tissue, post-operative recovery is fast etc.
Feature acts on tissue and plays the role of cutting and close with solidifying, will not cause the side effects such as tissue is dry, burns, execution
Position also passes through human body without electric current when working.In endoscope-assistant surgery, ultra sonic machinery can need super in inner tube by being built in
Ultrasonic mechanical energy is transferred to enforcement division by acoustic waveguide, and ultrasonic wave is propagated along the longitudinally sinusoidal wave of ultrasound waveguide, and ultrasonic wave was transmitting
Cheng Zhong is removed outside longitudinal wave, and there are also surface wave, shear wave, torsional waves, cause ultra sonic machinery that can decay.Due to waveguide is longer and by
Radial bending moment, so several supports need to be arranged along axial, these supports should reduce the loss propagated ultrasonic energy.
In the prior art, support component is provided with usually between inner tube and ultrasound waveguide, support component generallys use
Flexible material is made, and to reduce the decaying of sine wave in ultrasonic wave, guarantees that enough ultra sonic machineries can propagate to and executes position.So
And in order to reduce ultrasonic impedances, support component is usually softer, and support stiffness is poor, the support especially in ultrasound waveguide distal end
Part rigidity is substantially identical as remaining supporting element rigidity, due to the particularity of the supporting element position of ultrasound waveguide distal end, i.e. support group
The outermost end of part, support stiffness is not enough easy to lead to support shakiness, to influence the propagation of ultra sonic machinery energy.Obviously, existing
There is the distal end supporting piece structure design of ultrasound waveguide in technology not reasonable.On the other hand, since ultrasound waveguide distal end is close to holding
Row position, executing position, blood, body fluid etc. need to avoid enter into inner tube in operation.Therefore, for the distal end of ultrasound waveguide
Supporting element sealing requirements are higher, however the structure design of the supporting element is not reasonable in the prior art, and leakproofness is not high enough, difficult
To reach enough sealing effects, it still will appear blood, body fluid etc. in actual use and enter in inner tube.
Summary of the invention
Regarding the issue above, the present invention provides a kind of ultrasound waveguide distal end support stiffness and advantageous of effectively increasing
The support system of the ultrasound waveguide good with sealing effect can be propagated in ultra sonic machinery.
For achieving the above object, the support system of technical scheme is as follows ultrasound waveguide, including inner tube, wave
It leads, sealing support sleeve and at least one node support ring made of flexible material made of flexible material, the sealing
Support sleeve and node support ring are spaced apart and are respectively positioned on along waveguide axial direction at the node of waveguide, wherein sealing support sleeve near
The distal end of nearly waveguide, the waveguide distal end have the rigidity supporting structure projected radially outwardly, the sealing support sleeve set
Set on rigidity supporting structure periphery, the inside of the sealing support sleeve be equipped with when sealing support sleeve be installed on inner tube and waveguide it
Between Shi Nengyu waveguide outer wall form the inner seal structure of sealing, the outside of the described sealing support sleeve is equipped with when sealing support sleeve
It is installed on the outer side seal structure that Shi Nengyu inner tube wall between inner tube and waveguide forms sealing.Obviously, sealing support sleeve is to wave
The enabling capabilities led are respectively greater than each node support ring to the enabling capabilities of waveguide.
In the support system of above-mentioned ultrasound waveguide, rigidity supporting structure includes at least one projecting radially out the rigid of waveguide
Property bulge loop, be equipped with the annular groove being arranged in a one-to-one correspondence with rigid bulge loop, the rigid convex on the inside of the described sealing support sleeve
Ring is embedded in annular groove.
In the support system of above-mentioned ultrasound waveguide, rigid bulge loop and waveguide are integrally formed.
In the support system of above-mentioned ultrasound waveguide, the quantity of rigid bulge loop is one, the number of the annular groove
Amount is one, and the shape of the rigid bulge loop and the groove profile of annular groove are adapted, the rigid convex ring outer surface and ring
The cell wall of connected in star is in close contact a part for constituting inner seal structure.
In the support system of above-mentioned ultrasound waveguide, the top of rigid bulge loop is plane, the slot of the annular groove
Bottom is plane.
In the support system of above-mentioned ultrasound waveguide, the cross section of rigid bulge loop is in isosceles trapezoid, and the annular is recessed
The cross section of slot is in isosceles trapezoid.
In the support system of above-mentioned ultrasound waveguide, rigidity supporting structure is located at the central region of sealing support sleeve, institute
The deformability that the sealing support sleeve stated corresponds to rigidity supporting structure region part is less than sealing support sleeve and corresponds to rigidity branch
The deformability of support structure two side areas part.
In the support system of above-mentioned ultrasound waveguide, inner seal structure includes being respectively arranged on rigidity supporting structure two sides
First annular sealing surface, the first annular sealing surface and waveguide outer wall are in close contact.
In the support system of above-mentioned ultrasound waveguide, outer side seal structure includes the second annular sealing surface, and described the
Second ring sealing surface and inner tube wall are in close contact.
In the support system of above-mentioned ultrasound waveguide, seals and be additionally provided on the outside of support sleeve when sealing support sleeve is installed on
The sealing reinforcement structure of sealing support sleeve and inner tube wall sealing effect can be improved when between inner tube and waveguide.
In the support system of above-mentioned ultrasound waveguide, sealing reinforcement structure includes at least one sealing lip, and described is close
Envelope lip is located at the sealing one end of support sleeve far from waveguide distal end and can be tightly attached to inner tube wall, in outer side seal structure and sealing lip
Between there is annular accommodation groove.
In the support system of above-mentioned ultrasound waveguide, it is close higher than outside that the lip of sealing lip withstands on height under natural conditions
Seal structure, and when seal support sleeve positioned at inner tube and waveguide between when described in lip top be extruded deformation thus with inner tube wall shape
It is sealed at face.
In the support system of above-mentioned ultrasound waveguide, the inside of node support ring has can be with the circumferential annular of waveguide outer wall
Continuously contact with or the medial support structure of circumferential annular space contact, the outside of the node support ring have can in inner tube
Wall circumferential direction annular continuously contacts with or the outside-supporting structure of circumferential annular space contact.
In the support system of above-mentioned ultrasound waveguide, outside-supporting structure include at least two extend radially outwardly it is outer
Support portion, the outer end in the outer support portion can be in contact to form support with inner tube wall respectively；Or the outside-supporting
Structure includes the outer support anchor ring on the outside of node support ring.
In the support system of above-mentioned ultrasound waveguide, each outer support portion geomery is identical and uniform in circumferencial direction
Distribution, each outer support portion are in the endocentric construction of pointed toward waveguide central axes.
In the support system of above-mentioned ultrasound waveguide, the top in the outer support portion has and can be supported in inner tube wall
Outer support top surface, the outer support top surface is in band-like arc-shaped.
In the support system of above-mentioned ultrasound waveguide, the cross section in the outer support portion is in isosceles trapezoid.
In the support system of above-mentioned ultrasound waveguide, the width of the outer support anchor ring is less than the width of node support ring
Degree.
In the support system of above-mentioned ultrasound waveguide, the medial support structure includes being located on the inside of node support ring
Inner support anchor ring；Or the medial support structure includes at least two integral support portions to extend radially outwardly, it is described
The outer end of integral support portion can be in contact to form support with waveguide outer wall respectively.
In the support system of above-mentioned ultrasound waveguide, the width of the inner support anchor ring is not less than node support ring
Width.
In the support system of above-mentioned ultrasound waveguide, each integral support portion geomery is identical and uniform in circumferencial direction
Distribution, each integral support portion are in the endocentric construction of pointed toward waveguide central axes.
In the support system of above-mentioned ultrasound waveguide, support sleeve and node support ring are sealed respectively by elastic material one
Molding is made.
Compared with prior art, the beneficial effects of the present invention are embodied in:
1. reasonable support is provided by sealing support sleeve and node support ring for the waveguide of conduct ultrasound mechanical energy, in wave
The wave in other directions of the limitation in addition to longitudinally sinusoidal wave at section, can be in the decaying in conductive process to reduce ultra sonic machinery.
2. rigidity supporting structure considerably increases the support stiffness of sealing support sleeve, and since sealing support sleeve is by soft material
Material is made, and still has preferable support softness, that is, provides neither too hard, nor too soft support, be conducive to improve the branch to ultrasound waveguide
Supportting and being conducive to ultra sonic machinery can propagate.
3. rigidity supporting structure and sealing support sleeve cooperation make sealing support sleeve on outer side seal structure and inside it is close
Seal structure is fitted closely with inner pipe wall and waveguide outer wall always, reduces disclosure risk.
4. the setting of sealing lip and annular accommodation groove further enhances sealing performance, even if having part blood or body fluid etc.
It penetrates into, can also be stored in annular accommodation groove, avoid enter into inner tube, play buffering effect.
5. reasonable distribution sealing function rationally designs structure for the node support ring without sealing effect, and for needing
The sealing support sleeve of sealing effect is wanted then to reinforce sealing effect, while because of the specific position that it is located at support construction endpoint, effectively
It provides compared to the better support stiffness of node support ring.
6. the medial support structure and/or outside-supporting structure using circumferential annular space contact can reduce contact surface
Product, further decreases ultrasonic impedances, and do not influence support effect.
Detailed description of the invention
Fig. 1 is using medical supersonic surgical cutting bleeding apparatus structure schematic diagram of the invention.
Fig. 2 is sealing support sleeve provided by the invention, node support ring, node distributed architecture schematic diagram.
Fig. 3 is the stereochemical structure cross-sectional view that sealing support sleeve provided by the invention is set between waveguide and inner tube.
Fig. 4 is the axial arrangement sectional view that sealing support sleeve provided by the invention is set between waveguide and inner tube.
Fig. 5 is partial enlarged view at A in Fig. 4 provided by the invention.
Fig. 6 is rigidity supporting structure schematic diagram provided by the invention.
Fig. 7 is sealing support sleeve schematic perspective view provided by the invention.
Fig. 8 is sealing support sleeve schematic cross-sectional view provided by the invention.
Fig. 9 is partial enlarged view at B in Fig. 4 provided by the invention.
Figure 10 is the perspective view that node support ring provided by the invention is sheathed in waveguide.
Figure 11 is the 1 installation condition enlarged side view of embodiment of node support ring provided by the invention.
Figure 12 is the 2 installation condition enlarged side view of embodiment of node support ring provided by the invention.
Figure 13 is the 3 installation condition enlarged side view of embodiment of node support ring provided by the invention.
Figure 14 is the 4 installation condition enlarged side view of embodiment of node support ring provided by the invention.
Figure 15 is the 5 installation condition enlarged side view of embodiment of node support ring provided by the invention.
In figure: inner tube 1, waveguide 2, sealing support sleeve 3, node support ring 4, node 5, rigidity supporting structure 6, inner seal
It is structure 7, outer side seal structure 8, rigid bulge loop 9, annular groove 10, first annular sealing surface 11, the second annular sealing surface 12, close
Seal reinforcement structure 13, sealing lip 14, annular accommodation groove 15, lip top 16, medial support structure 17, outside-supporting structure 18, outer branch
Support part 19, outer support anchor ring 20, outer support top surface 21, inner support anchor ring 22, longitudinally sinusoidal wave Z.
Specific embodiment
Further details of the technical solution of the present invention with reference to the accompanying drawings and detailed description.
As shown in figs. 1-11, the support system of ultrasound waveguide includes inner tube 1, waveguide 2, seals branch made of flexible material
Support set 3 and at least one node support ring 4 made of flexible material.As shown in Fig. 2, sealing support sleeve 3 and node support ring 4
It is distributed and is respectively positioned at the node 5 of waveguide 2 along 2 axially spaced-apart of waveguide, wherein sealing support sleeve 3 is near the distal end of waveguide 2.
2 distal end of waveguide has the rigidity supporting structure 6 projected radially outwardly, and the sealing support sleeve 3 is sheathed on rigidity supporting structure 6
Periphery, the inside of the sealing support sleeve 3 are equipped with when sealing support sleeve 3 is installed on Shi Nengyu waveguide between inner tube 1 and waveguide 2
2 outer walls form the inner seal structure 7 of sealing, the outside of the sealing support sleeve 3 be equipped with when sealing support sleeve 3 be installed on it is interior
1 inner wall of Shi Nengyu inner tube forms the outer side seal structure 8 of sealing between pipe 1 and waveguide 2.
The energy converter of medical supersonic surgical cutting bleeding instrument converts electrical energy into high-frequency ultrasonic mechanical energy, and leads to
The waveguide 2 crossed in inner tube 1 is transmitted to the enforcement division being connected with waveguide 2 in a manner of longitudinally sinusoidal wave, and shear wave in waveguide 2,
Surface wave etc. is different from longitudinally sinusoidal wave direction, influences longitudinally sinusoidal wave conduction and causes quickening ultra sonic machinery that can quickly decline
Subtract.Since ultrasonic wave is mainly longitudinally sinusoidal wave conduction, displacement is almost unchanged at the node 5 of waveguide 2, therefore in the present embodiment
In, it seals support sleeve 3 and node support ring 4 is arranged at the node 5 of waveguide 2, so that waveguide 2 has in conduct ultrasound
Reliable support.And inevitable surface wave, shear wave, torsional wave etc. pass through sealing support sleeve 3 and node support ring in waveguide 2
4 support limit is eliminated, and to improve the conduction efficiency of ultrasonic energy, reduces loss of the ultrasonic energy in conductive process,
It can be in the decaying in conductive process to reduce ultra sonic machinery.
Due to the supporting role of rigidity supporting structure 6, it is respectively greater than each to the enabling capabilities of waveguide 2 to seal support sleeve 3
Enabling capabilities of the node support ring 4 to waveguide 2.The present invention is conduct ultrasound by sealing support sleeve 3 and node support ring 4
The waveguide 2 of mechanical energy provides reasonable support, the wave in other directions of the limitation in addition to longitudinally sinusoidal wave at node Z, to reduce
Ultra sonic machinery can be in the decaying in conductive process.Rigidity supporting structure 6 considerably increases the support stiffness of sealing support sleeve 3,
And since sealing support sleeve 3 is made of flexible material, still there is preferable support softness, that is, provide neither too hard, nor too soft branch
Support, is conducive to improve the support to ultrasound waveguide 2 and be conducive to ultra sonic machinery and can propagate.Reasonable distribution of the present invention seals function
Can, structure is rationally designed for the node support ring 4 without sealing effect, and for needing the sealing support sleeve 3 of sealing effect
Then reinforce sealing effect, while because sealing support sleeve 3 is located at the specific position of support construction endpoint, effectively providing compared to wave
Save the better support stiffness of support ring 4.
Specifically, as Figure 4-Figure 6, rigidity supporting structure 6 includes at least one rigid bulge loop 9 for projecting radially out waveguide 2,
The annular groove 10 being arranged in a one-to-one correspondence with rigid bulge loop 9, the rigid bulge loop 9 are equipped on the inside of the sealing support sleeve 3
It is embedded in annular groove 10.Rigid bulge loop 9 is embedded in annular groove 10, is disappeared jointly with outer wall, 1 inner wall of inner tube of waveguide 2
Except the freedom degree of sealing support sleeve 3, it is fixedly connected with sealing support sleeve 3 with waveguide 2.1 inside of waveguide 2 and inner tube is reduced simultaneously
The distance between wall so that sealing support sleeve 3 can deformation space reduce, and considerably increase be applied to sealing support sleeve 3 on
Extruding force, make to seal support sleeve 3 and obtain bigger deformation elastic force to resist the pressure of 1 outer liquid of inner tube, further decrease
Support sleeve 3 is sealed in ability of anti-deformation after the installation is completed, improves sealing stability.During ultrasonic conducting, sealing branch
The vibration of 3 Confined Waveguide 2 of support set reduces the decaying of ultra sonic machinery energy to eliminate generated shear wave, surface wave etc. in waveguide 2,
Improve the conduction efficiency of ultra sonic machinery energy.Rigidity supporting structure 6 substantially increases the rigidity of support of sealing support sleeve 3, into one
Step weakens shear wave, the surface wave etc. occurred in waveguide 2, improves the conduction efficiency of ultra sonic machinery energy.Meanwhile making to seal support sleeve
3 deformation quantity can be influenced small, the non-deformability of raising sealing support sleeve 3, it is ensured that waveguide 2 obtains effective branch by ultra sonic machinery
Support.
Preferably, rigid bulge loop 9 is integrally formed with waveguide 2.Rigid bulge loop 9 is linked together with waveguide 2, improves waveguide 2
Non-deformability at rigid bulge loop 7.Rigid bulge loop 9 reduces Assembling Production cost with the integrated molding of waveguide 2, avoids simultaneously
Rigidity bulge loop 9 divides cancellation consumption ultra sonic machinery energy when rigid bulge loop 9 is seperated with waveguide 2, with improve ultra sonic machinery can conduction
Efficiency.Those skilled in the art are fixedly connected after rigid bulge loop 9 and 2 separately manufacturing of waveguide also may be selected, select gluing, weld or
Modes or the other modes well known to those of ordinary skill in the art such as person's interference connection.
Further, the quantity of rigid bulge loop 9 is one, and the quantity of the annular groove 10 is one, the rigidity
The shape of bulge loop 9 and the groove profile of annular groove 10 are adapted, so that rigid bulge loop 9 is clamped into annular groove 10, are formed close
Cooperation.The cell wall of 9 outer surface of rigid bulge loop and annular groove 10 is in close contact one of composition inner seal structure 7
Point.Prevent 1 outside liquid of inner tube from entering inside inner tube 1 by the gap between waveguide 2 and annular groove 10.Further, just
Property bulge loop 9 top be plane, the slot bottom of the annular groove 10 is plane.So that rigid bulge loop 9 holds with annular groove 10
Easily cooperation, while sealing 3 side wall of support sleeve being made to obtain avoiding answering uniformly and perpendicular to the extruding force of 1 inner sidewall arc of inner tube
Power is concentrated, and the service life for sealing support sleeve 3 is influenced.Simultaneously extruding force is acted on completely will sealing support sleeve 3 be extruded in
On 1 tube wall of pipe.Preferably, the cross section of rigid bulge loop 9 is in isosceles trapezoid, and the cross section of the annular groove 10 is in isosceles ladder
Shape.
Preferably, rigidity supporting structure 6 is located at the central region of sealing support sleeve 3, and the sealing support sleeve 3 corresponds to
The deformability of 6 region part of rigidity supporting structure is less than sealing support sleeve 3 and corresponds to 6 two side areas part of rigidity supporting structure
Deformability.Seal support sleeve 3 by external force deformation occurs when so that sealing support sleeve 3 correspond to 6 liang of rigidity supporting structure
Side region absorbs external force partly prior to sealing 3 central region of support sleeve deformation, to seal support sleeve 3 corresponding to rigid support
The non-deformability of 6 region part of structure mentions so that inner wall of 11 middle part of first annular sealing surface always with inner tube 1 fits
High sealing performance.
Preferably, inner seal structure 7 includes the first annular sealing surface 11 for being respectively arranged on 6 two sides of rigidity supporting structure,
The first annular sealing surface 11 and 2 outer wall of waveguide is in close contact.Annular groove 10 is matched with rigidity supporting structure 6, is made
Waveguide 2 is obtained to remain unchanged in conduct ultrasound with sealing 3 relative position of support sleeve.
Preferably, outer side seal structure 8 includes the second annular sealing surface 12, second annular sealing surface 12 and inner tube
1 inner wall is in close contact.Prevent 2 outside liquid of inner tube from entering by the gap between 1 inner wall of the second annular sealing surface 12 and inner tube
Inner tube 1.
Further, in the present embodiment, seal support sleeve 3 outside be additionally provided with when sealing support sleeve 3 be installed on inner tube 1 with
The sealing reinforcement structure 13 of sealing support sleeve 3 and 1 inner wall sealing effect of inner tube can be improved when between waveguide 2.Seal reinforcement structure
13 include a sealing lip 14, and the sealing lip 14 is located at the sealing one end of support sleeve 3 far from 2 distal end of waveguide and can be tightly attached to
1 inner wall of inner tube has annular accommodation groove 15 between outer side seal structure 8 and sealing lip 14.Those skilled in the art can basis
The sealing lip 14 of two or more numbers is arranged in sealing demand.The setting of sealing lip 14 and annular accommodation groove 15 further enhances
Sealing performance can also be stored in annular accommodation groove 15 even if there is the infiltration such as part blood or body fluid, avoid enter into inner tube
2, realize buffering.
Further, the height of the lip top 16 of sealing lip 14 in its natural state is higher than outer side seal structure 8, and when sealing
Lip top 16 described in when support sleeve 3 is between inner tube 1 and waveguide 2 is extruded deformation to seal with 1 inner wall forming face of inner tube.
So that when seal support sleeve 3 be installed between inner tube 1 and waveguide 2 when described in sealing lip 14 lip top 16 be extruded obtain it is bigger
Deformation quantity further prevent sealing lip 14 to more closely be bonded with 1 inner wall of inner tube compared to outer side seal structure 8
Occurs circulation gap between 1 inner wall of inner tube.
Preferably, the inside of the node support ring 4 has and can continuously contact with 2 outer wall circumferential direction annular of waveguide or circumferential
The medial support structure 17 of annular space contact, the outside of the node support ring 4 has can be with the circumferential annular of 1 inner wall of inner tube
It continuously contacts with or the outside-supporting structure 18 of circumferential annular space contact.
The present invention provides the embodiment of a variety of node support rings 4, gives below the different embodiments of node support ring 4
To introduce.
Embodiment 1:
As shown in FIG. 10 and 11, medial support structure 17 is contacted with 2 outer wall circumferential direction annular space of waveguide, outside-supporting structure
18 continuously contact with the inner wall circumferential direction annular of inner tube 1.To reduce acoustic resistance, outside-supporting structure 18 divides valve centripetal distribution, to reduce
Area, which is realized, reduces ultrasonic impedances, and node support ring 4 is not necessarily to the demand for considering to prevent environmental liquids from entering inner tube 1.Lateral branch
Support structure 18 includes at least two outer support portions 19 to extend radially outwardly, in the present embodiment, preferred outside-supporting structure 18
Number is four, and the outer end in the outer support portion 19 can be in contact to form support with 1 inner wall of inner tube respectively, it is intended to reduce ultrasound
The loss of wave mechanical energy.Each 19 geomery of outer support portion is identical and is uniformly distributed in circumferencial direction, while each outer support
Portion 19 is in the endocentric construction of 2 central axes of pointed toward waveguide.Preferably, support sleeve 3 and node support ring 4 are sealed respectively by elastic material
Integrated molding is made.Preferably, the cross section in outer support portion 19 is in isosceles trapezoid.The top in outer support portion 19 has and can be supported in
The outer support top surface 21 of 1 inner wall of inner tube, the outer support top surface 21 is in band-like arc-shaped.Medial support structure 17 includes being located at
The inner support anchor ring 22 of the inside of node support ring 4, inner support anchor ring 22 with waveguide 2 is circumferentially continuous contacts.Preferably, inside support ring
The width in face 22 is not less than the width of node support ring 4.In the present embodiment, 22 broadband of inner support anchor ring is greater than node support ring
4 width.
Embodiment 2:
As shown in figure 12, in the present embodiment, medial support structure 17 be include at least two interior branch to extend radially outwardly
Support part, the outer end of the integral support portion can be in contact to form support with 2 outer wall of waveguide respectively.To reduce ultrasonic impedances.It is excellent
Selection of land, each integral support portion geomery is identical and is uniformly distributed in circumferencial direction, and each integral support portion is in 2 axis of pointed toward waveguide
The endocentric construction of line.Each integral support portion 22 is in the endocentric construction of 2 central axes of pointed toward waveguide simultaneously.Remaining structure of the present embodiment
It is substantially the same manner as Example 1, it does not repeat them here.
Embodiment 3:
As shown in figure 13, in the present embodiment, the quantity in outer support portion 19 is two, remaining structure and the basic phase of embodiment 1
Together, it does not repeat them here.
Embodiment 4:
As shown in figure 14, in the present embodiment, the quantity in outer support portion 19 is three, remaining structure and the basic phase of embodiment 1
Together, it does not repeat them here.
Embodiment 5:
As shown in figure 15, in the present embodiment, outside-supporting structure 18 includes the outer support ring positioned at 4 outside of node support ring
Face 20.The width of outer support anchor ring 20 is less than the width of node support ring 4.Remaining structure is substantially the same manner as Example 1, does not do superfluous
It states.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although inner tube 1, waveguide 2, sealing support sleeve 3, node support ring 4, node 5, rigidity branch is used more herein
Support structure 6, inner seal structure 7, outer side seal structure 8, rigid bulge loop 9, annular groove 10, first annular sealing surface 11, the
It is second ring sealing surface 12, sealing reinforcement structure 13, sealing lip 14, annular accommodation groove 15, lip top 16, medial support structure 17, outer
Lateral support structure 18, outer support portion 19, outer support anchor ring 20, outer support top surface 21, inner support anchor ring 22, longitudinally sinusoidal wave Z etc.
Term, but it does not exclude the possibility of using other terms.The use of these items is only for be more convenient to describe and explain
Essence of the invention；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (22)
1. a kind of support system of ultrasound waveguide, which is characterized in that including inner tube (1), waveguide (2), made of flexible material
Seal support sleeve (3) and at least one node support ring made of flexible material (4), the sealing support sleeve (3) and wave
Section support ring (4) is distributed along waveguide (2) axially spaced-apart and is respectively positioned at the node (5) of waveguide (2), wherein sealing support sleeve
(3) near the distal end of waveguide (2), the waveguide (2) distally has the rigidity supporting structure (6) projected radially outwardly, institute
The sealing support sleeve (3) stated is sheathed on rigidity supporting structure (6) periphery, and the inside of the sealing support sleeve (3) is equipped with when close
Envelope support sleeve (3) is installed on the inner seal structure that Shi Nengyu waveguide (2) outer wall between inner tube (1) and waveguide (2) forms sealing
(7), the outside of the sealing support sleeve (3) is equipped with when sealing support sleeve (3) is installed between inner tube (1) and waveguide (2)
The outer side seal structure (8) of sealing can be formed with inner tube (1) inner wall.
2. the support system of ultrasound waveguide according to claim 1, which is characterized in that the rigidity supporting structure (6)
The rigid bulge loop (9) for projecting radially out waveguide (2) including at least one, sealing support sleeve (3) inside is equipped with and rigid convex
The annular groove (10) that ring (9) is arranged in a one-to-one correspondence, the rigid bulge loop (9) are embedded in annular groove (10).
3. the support system of ultrasound waveguide according to claim 2, which is characterized in that the rigid bulge loop (9) and wave
Lead (2) integrated molding.
4. the support system of ultrasound waveguide according to claim 3, which is characterized in that the number of the rigid bulge loop (9)
Amount is one, and the quantity of the annular groove (10) is one, the shape of the rigid bulge loop (9) and annular groove (10)
Groove profile be adapted, the cell wall of rigid bulge loop (9) outer surface and annular groove (10), which is in close contact, constitutes inner seal
A part of structure (7).
5. the support system of ultrasound waveguide according to claim 4, which is characterized in that the top of the rigid bulge loop (9)
Portion is plane, and the slot bottom of the annular groove (10) is plane.
6. the support system of ultrasound waveguide according to claim 5, which is characterized in that the cross of the rigid bulge loop (9)
Section is in isosceles trapezoid, and the cross section of the annular groove (10) is in isosceles trapezoid.
7. the support system of ultrasound waveguide described in any one of -6 according to claim 1, which is characterized in that the rigidity
Support construction (6) is located at the central region of sealing support sleeve (3), and the sealing support sleeve (3) corresponds to rigidity supporting structure
(6) deformability of region part is less than the deformation that sealing support sleeve (3) corresponds to rigidity supporting structure (6) two side areas part
Ability.
8. the support system of ultrasound waveguide according to claim 7, which is characterized in that the inner seal structure (7)
First annular sealing surface (11) including being respectively arranged on rigidity supporting structure (6) two sides, the first annular sealing surface (11)
It is in close contact with waveguide (2) outer wall.
9. the support system of ultrasound waveguide according to claim 7, which is characterized in that the outer side seal structure (8)
Including the second annular sealing surface (12), second annular sealing surface (12) and inner tube (1) inner wall are in close contact.
10. the support system of ultrasound waveguide described in any one of -6 according to claim 1, which is characterized in that described is close
Sealing can be improved when sealing support sleeve (3) and being installed between inner tube (1) and waveguide (2) by being additionally provided on the outside of envelope support sleeve (3)
The sealing reinforcement structure (13) of support sleeve (3) and inner tube (1) inner wall sealing effect.
11. the support system of ultrasound waveguide according to claim 10, which is characterized in that the sealing reinforcement structure
It (13) include at least one sealing lip (14), the sealing lip (14) is located at sealing support sleeve (3) far from waveguide (2) distal end
One end and inner tube (1) inner wall can be tightly attached to, there is annular accommodation groove between outer side seal structure (8) and sealing lip (14)
(15)。
12. the support system of ultrasound waveguide according to claim 11, which is characterized in that the lip of the sealing lip (14)
It pushes up the height of (16) in its natural state and is higher than outer side seal structure (8), and when sealing support sleeve (3) is located at inner tube (1) and wave
Lip top (16) described in when leading between (2) is extruded deformation to seal with inner tube (1) inner wall forming face.
13. the support system of ultrasound waveguide described described in any one of -6 according to claim 1, which is characterized in that institute
The inside for the node support ring (4) stated, which has, to be continuously contacted with waveguide (2) outer wall circumferential direction annular or circumferential annular space contacts
Medial support structure (17), the outside of the node support ring (4) has and can continuously connect with the circumferential annular of inner tube (1) inner wall
The outside-supporting structure (18) of touching or circumferential annular space contact.
14. the support system of the ultrasound waveguide according to claim 13, which is characterized in that the outside-supporting
Structure (18) includes at least two outer support portions (19) to extend radially outwardly, and energy is distinguished in the outer end in the outer support portion (19)
It is in contact to form support with inner tube (1) inner wall；Or the outside-supporting structure (18) includes being located at node support ring (4) outside
The outer support anchor ring (20) of side.
15. the support system of the ultrasound waveguide according to claim 14, which is characterized in that each outer support portion
(19) geomery is identical and is uniformly distributed in circumferencial direction, each outer support portion (19) in pointed toward waveguide (2) central axes to
Core structure.
16. the support system of the ultrasound waveguide according to claim 14, which is characterized in that the outer support portion
(19) top has the outer support top surface (21) that can be supported in inner tube (1) inner wall, and the outer support top surface (21) is in band-like
It is arc-shaped.
17. the support system of the ultrasound waveguide according to claim 16, which is characterized in that the outer support portion
(19) cross section is in isosceles trapezoid.
18. the support system of the ultrasound waveguide according to claim 14, which is characterized in that the outer support ring
The width in face (20) is less than the width of node support ring (4).
19. the support system of the ultrasound waveguide according to claim 13, which is characterized in that the medial support
Structure (17) includes the inner support anchor ring (22) on the inside of node support ring (4)；Or the medial support structure (17)
The outer end of the integral support portion to extend radially outwardly including at least two, the integral support portion respectively can be with waveguide (2) outer wall phase
Contact forms support.
20. the support system of the ultrasound waveguide according to claim 19, which is characterized in that the inside support ring
The width in face (22) is not less than the width of node support ring (4).
21. the support system of the ultrasound waveguide according to claim 19, which is characterized in that each interior branch
Support part geomery is identical and is uniformly distributed in circumferencial direction, and each integral support portion is in pointed toward waveguide (2) central axes to hearty cord
Structure.
22. the support system of ultrasound waveguide described in any one of -6 according to claim 1, which is characterized in that described is close
Envelope support sleeve (3) and node support ring (4) are made of elastic material integrated molding respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365530.9A CN110151258A (en) | 2019-05-01 | 2019-05-01 | The support system of ultrasound waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910365530.9A CN110151258A (en) | 2019-05-01 | 2019-05-01 | The support system of ultrasound waveguide |
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|---|---|
| CN110151258A true CN110151258A (en) | 2019-08-23 |
Family
ID=67633215
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| CN201910365530.9A Pending CN110151258A (en) | 2019-05-01 | 2019-05-01 | The support system of ultrasound waveguide |
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|---|---|---|---|---|
| US5935144A (en) * | 1998-04-09 | 1999-08-10 | Ethicon Endo-Surgery, Inc. | Double sealed acoustic isolation members for ultrasonic |
| CN102843982A (en) * | 2010-02-11 | 2012-12-26 | 伊西康内外科公司 | Seal arrangements for ultrasonically powered surgical instruments |
| CN104023657A (en) * | 2011-11-15 | 2014-09-03 | 索林股份有限公司 | Ultrasonic surgical instrument |
| US20180333183A1 (en) * | 2017-05-22 | 2018-11-22 | Ethicon Llc | Combination ultrasonic and electrosurgical instrument having ultrasonic waveguide with distal overmold member |
-
2019
- 2019-05-01 CN CN201910365530.9A patent/CN110151258A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5935144A (en) * | 1998-04-09 | 1999-08-10 | Ethicon Endo-Surgery, Inc. | Double sealed acoustic isolation members for ultrasonic |
| CN102843982A (en) * | 2010-02-11 | 2012-12-26 | 伊西康内外科公司 | Seal arrangements for ultrasonically powered surgical instruments |
| CN104023657A (en) * | 2011-11-15 | 2014-09-03 | 索林股份有限公司 | Ultrasonic surgical instrument |
| US20180333183A1 (en) * | 2017-05-22 | 2018-11-22 | Ethicon Llc | Combination ultrasonic and electrosurgical instrument having ultrasonic waveguide with distal overmold member |
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