CN115644983A - Blood vessel ultrasonic expansion integrated device - Google Patents
Blood vessel ultrasonic expansion integrated device Download PDFInfo
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- CN115644983A CN115644983A CN202211266859.8A CN202211266859A CN115644983A CN 115644983 A CN115644983 A CN 115644983A CN 202211266859 A CN202211266859 A CN 202211266859A CN 115644983 A CN115644983 A CN 115644983A
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Abstract
The invention relates to the technical field of medical instruments, and particularly discloses a vascular ultrasonic dilation integrated device, which comprises: the shock wave guide electric ring is provided with a far end extending into a blood vessel, a plurality of channels are arranged in the catheter, the balloons are arranged at intervals along the length direction of the catheter, each balloon is arranged around the periphery of the catheter, and each balloon is at least communicated with one channel; the intravascular imaging device is characterized by further comprising an impact waveguide electric ring and/or an ultrasonic probe, wherein the impact waveguide electric ring is arranged in any one of the balloons and used for generating impact waves to release calcified focuses in the blood vessels, the ultrasonic probe is arranged in any one of the balloons and used for intravascular imaging, and the ultrasonic probe is connected with terminal equipment. The invention can clearly see the condition in the blood vessel and can achieve the purpose of loosening calcified focus based on the shock wave lithotripsy principle; meanwhile, part of blood vessels can be blocked to reduce the erosion of blood flowing to calcified focuses, and further the risk of plaque falling is reduced.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a blood vessel ultrasonic expansion integrated device.
Background
With the change of the eating habits of people and the aggravation of the aging problem of the population in recent years, the trend of the artery stenosis and the calcification lesion in the blood vessel is gradually increased, and the life quality of people is threatened to a certain extent. Interventional therapy is a common intravascular procedure, but prior to interventional therapy, the vascular lumen information of a patient needs to be known. Intravascular Optical Coherence Tomography (OCT) is a medical imaging technique based on an imaging catheter, which can image the surface layer and the following structures of a blood vessel, observe the microstructure of the blood vessel wall, and help to analyze and understand the properties of plaque and the stenosis of coronary artery lumen, thereby facilitating a clinician to make a proper interventional treatment plan for a patient. The most common current interventional treatment regimen is to vaporize a portion of the plaque by a pulsed delivery laser and then deliver a cytostatic drug to the lesion. However, the above-mentioned solutions require the cooperation of OCT, and the treatment solution is single, and it is impossible to collect and analyze various complicated intravascular conditions during interventional therapy; secondly, the calcification focus is not pretreated and expanded before interventional therapy by the scheme, and blood vessels are easily damaged in the interventional therapy process; moreover, above-mentioned scheme can't avoid blood to flow the washing away to the calcification kitchen, has the risk that the plaque drops among preliminary treatment and the expansion process, causes the damage to the blood vessel very easily.
The shock wave is a sound wave with mechanical characteristics, which is gathered to generate energy through rapid or extremely rapid compression of a medium caused by vibration, high-speed motion and the like, and can cause the physical properties of the medium, such as pressure, temperature, density and the like to be changed in a jumping manner. It can be used for separating and beating calcification in blood vessel, thereby achieving the effect of blood vessel treatment.
Disclosure of Invention
The embodiment of the invention aims to: the utility model provides a blood vessel ultrasonic expansion integrated device, the device reach calcification focus position can discernment collection analysis intravascular situation after getting into the blood vessel, can carry out preliminary treatment and expansion to the calcification focus, can carry out the shutoff to calcification focus blood vessel section after and loosen the calcification focus again, can prevent that the flow of blood or the washing away of blood leads to the coming off of calcification plaque when handling and expansion calcification focus.
In order to achieve the above object, the present invention provides an integrated ultrasonic vasodilation device, comprising:
a catheter having a distal end extending into a blood vessel, the catheter having a plurality of channels therein;
the balloons are arranged at intervals along the length direction of the catheter, each balloon is arranged around the periphery of the catheter in a surrounding manner, and each balloon is at least communicated with one channel;
the shock waveguide electric ring is arranged in any one of the saccules and is used for generating shock waves to loosen calcified lesions in the blood vessel; and/or
The ultrasonic probe is arranged in any balloon and used for intravascular imaging, and the ultrasonic probe is connected with the terminal equipment.
Further preferably, the catheter comprises an outer tube and an inner tube which are coaxially arranged, the outer tube and the inner tube are both provided with distal ends extending into the blood vessel, the distal end of the inner tube extends out of the outer side of the distal end of the outer tube, and the balloon is arranged at the distal end of the outer tube or the distal end of the inner tube.
Further preferably, a second fluid medium channel is formed between the outer tube and the inner tube, and the outer tube is also provided with a third fluid medium channel;
the middle part of the inner tube is provided with a guide wire channel, and the guide wire channel and the inner wall of the inner tube form at least one transition channel.
Further preferably, the balloon comprises an expansion balloon, the expansion balloon is arranged at the distal end of the outer tube, the expansion balloon is communicated with the second fluid medium channel, the expansion balloon is arranged around the periphery of the inner tube, and the distal end of the expansion balloon is hermetically connected with the periphery of the inner tube.
Further preferably, the shock wave guide is electrically looped within the dilation balloon; or
The ultrasonic probe is arranged in the expansion balloon.
Further preferably, the balloon comprises:
the expansion balloon is arranged on the periphery of the inner tube in a surrounding manner, one end of the expansion balloon is connected with the distal end of the outer tube, and the expansion balloon is communicated with the second fluid medium channel;
the first balloon is arranged around the outer periphery of the outer tube, and a pore is formed in the outer periphery of the outer tube corresponding to the first balloon so as to enable the first balloon to be communicated with the third fluid medium channel; and
the second balloon is arranged around the periphery of the far end of the inner tube and communicated with one of the transition channels.
Further preferably, the shock wave guide electrical loop is disposed within the dilation balloon and the ultrasound probe is disposed within the second balloon.
Further preferably, the transition passage comprises:
the shock wave insulated wire channel is used for connecting the shock wave guide electric ring with an external power supply;
the ultrasonic insulated wire channel is used for electrically connecting the ultrasonic probe with the terminal equipment; and
a first fluid medium channel for delivering a fluid medium to the second balloon.
Further preferably, the ultrasonic probe comprises an ultrasonic conducting ring surrounding the outer periphery of the inner tube, an ultrasonic transmitting element and an imaging element are arranged on the circumferential surface of the ultrasonic conducting ring, and the imaging element is used for performing sweep imaging on tissues and a blood vessel wall in the blood vessel after ultrasonic waves are reflected or backscattered.
Further preferably, the terminal device includes:
the controller is electrically connected with the ultrasonic probe and is used for receiving and processing signals from the ultrasonic probe in the blood vessel; and
a general purpose computer system, coupled to the controller, for receiving, storing and displaying data, images or video of intravascular lesions.
Compared with the prior art, the blood vessel ultrasonic expansion integrated device has the beneficial effects that:
after the catheter extends into a blood vessel and reaches the position of a calcification disease focus, the ultrasonic probe is arranged to acquire information in the blood vessel, so that the condition in the blood vessel can be clearly seen; by arranging the shock wave guide electric ring, based on the shock wave lithotripsy principle, the shock wave passes through fluid, a saccule, blood and a blood vessel wall to reach a calcified focus, so that the calcified focus is loosened; the sacculus through setting up can be used to fill fluid medium and make it sufficient to reach and carry out the shutoff or carry out the effect that expands to the calcification focus to some blood vessels, can reduce the blood flow during the shutoff and wash away the calcification focus, reduce the risk of droing at ultrasonic detection or shock wave lysis in-process plaque.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention.
Fig. 2 isbase:Sub>A cross-sectional view of sectionbase:Sub>A-base:Sub>A of fig. 1 of the present invention.
FIG. 3 is a schematic wiring diagram of the shock waveguide electrical ring of the present invention.
Fig. 4 is a schematic structural view of the inner tube of the present invention.
Fig. 5 is a schematic structural view of embodiment 2 of the present invention.
Fig. 6 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 7 is a schematic structural diagram of embodiment 4 of the present invention.
Fig. 8 is a schematic structural view of embodiment 5 of the present invention.
Fig. 9 is a schematic logic block diagram of an ultrasound probe and terminal device according to the present invention.
In the figure, 10, a blood vessel ultrasonic expansion integrated device;
100. a conduit;
110. an outer tube;
120. an inner tube; 1201. a first window; 1202. a second window; 1203. a first heat shrink tube protective sleeve; 1204. a second heat shrink tube protective sleeve; 1205. sealing a rubber ring; 121. a guidewire channel; 122. a shock wave insulated wire channel; 123. an ultrasonic insulated wire channel; 124. a first fluid medium channel; 125. a second fluid medium channel; 126. a third fluid medium channel;
130. expanding the balloon;
140. a first balloon;
150. a second balloon;
160. a shock wave guide electrical ring; 1601. a first shock waveguide electrical ring; 16011. a first cut; 16012. a second cut; 1602. a second shock wave guide electrical ring; 16021. a third cut; 16022. a fourth cut; 161. a shock wave electrode; 1611. a shock wave first electrode; 1612. a shock wave third electrode; 1613. a shock wave fourth electrode; 1614. a shock wave second electrode; 162. a shock wave insulated wire; 1621. a positive electrode lead; 1622. a negative electrode lead;
170. an ultrasonic probe; 171. ultrasonic insulation of the wire; 172. an ultrasonic conducting ring; 173. an ultrasonic wave emitting element; 174. an imaging element; 175. a first output port;
180. a controller; 181. a hardware module; 182. a software module; 183. a second output port; 184. a first input interface;
190. a general-purpose computer system; 191. a second input interface.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "distal", "proximal", "inner", "outer", "between", "around", and the like, used herein to indicate an orientation or positional relationship based on that shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and that "over" or "under" a first feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature "under", "below" and "beneath" the second feature encompasses the first feature being directly under and obliquely below the second feature, or merely means that the first feature is at a lesser level than the second feature, and the terms do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; further, unless explicitly stated or limited otherwise. The terms "a number," "at least," "plurality," and the like mean a number greater than or equal to 1 and are not to be construed as indicating or implying a relative importance; further, unless explicitly stated or limited otherwise. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment 1 provides an integrated device 10 for ultrasonic vascular dilation, as shown in fig. 1, the integrated device 10 for ultrasonic vascular dilation includes a catheter 100, a dilation balloon 130, a first balloon 140, a second balloon 150, an impulse waveguide electrical ring 160, and an ultrasonic probe 170, where the impulse waveguide electrical ring 160 is disposed in the dilation balloon 130 and is used for generating impulse waves to loosen calcified lesions in a blood vessel, the ultrasonic probe 170 is disposed in the second balloon 150 and is used for intravascular imaging, and the ultrasonic probe 170 is connected to a terminal device. The circumstances in the blood vessel can clearly be seen through ultrasonic probe 170 to this embodiment, can utilize shock wave electricity ring 160 to produce shock wave so as to reach the mesh of loosening the calcification focus based on the shock wave rubble principle, and first sacculus 140 and second sacculus 150 can carry out the shutoff to partial blood vessel in order to reduce the erodeing of blood flow to the calcification focus simultaneously, and then reduce the risk that the plaque drops, and expansion sacculus 130 then can expand the calcification focus.
In the present embodiment 1, specifically, as shown in fig. 1 and 2, the catheter 100 includes an outer tube 110 and an inner tube 120 coaxially disposed, each of the outer tube 110 and the inner tube 120 having a distal end protruding into a blood vessel, wherein, in order to enable fluid to reach inside different balloons such as the dilatation balloon 130, the first balloon 140, and the second balloon 150, for this purpose, the distal end of the inner tube 120 is disposed to protrude outside the distal end of the outer tube 110.
Further, referring to fig. 1, the balloon is disposed at the distal end of the outer tube 110 or the inner tube 120, specifically, the expansion balloon 130 is disposed around the outer circumference of the inner tube 120, and one end of the expansion balloon 130 is connected to the distal end of the outer tube 110, the first balloon 140 is disposed around the outer circumference of the outer tube 110, and the second balloon 150 is disposed around the outer circumference of the distal end of the inner tube 120, wherein the first balloon 140, the expansion balloon 130, and the second balloon 150 are disposed at intervals along the length direction of the catheter, preferably, the expansion balloon 130 is disposed between the first balloon 140 and the second balloon 150, for this reason, after the first balloon 140 and the second balloon 150 are filled, the effect of blocking part of the blood vessel can be achieved, flushing of blood flow to calcific lesions during blocking can be reduced, the risk of plaque falling off during ultrasonic detection or shock wave loosening can be reduced, and part of the expansion balloon 130 can expand calcific lesions.
Preferably, the material of the dilation balloon 130 is one of nylon, PET or polyurethane, and the material of the first balloon 140 and the second balloon 150 is one of silica gel, latex or polyurethane.
Specifically, the shock wave guide electrical ring 160 is arranged in the expansion balloon 130, and after part of the blood vessel is blocked, the shock wave guide electrical ring 160 can generate shock waves based on the shock wave lithotripsy principle so as to achieve the purpose of loosening calcified lesions blocking part of the blood vessel; an ultrasound probe 170 is disposed within the second balloon 150, i.e., at the distal end of the catheter 100, to detect intravascular conditions in real time.
Referring to fig. 2, since it is necessary to deliver a conductive medium to the shock wave guide electrical ring 160, or deliver a contrast agent to the ultrasonic probe 170, and deliver a fluid medium to fill the balloon, a plurality of channels are provided in the catheter 100 to form a multi-lumen tube, specifically, a guide wire channel 121 is provided in the middle of the inner tube 120, so that the device can be guided to a target position of a blood vessel by a guide wire, three transition channels are formed between the guide wire channel 121 and the inner wall of the inner tube 120, specifically including a shock wave insulated wire channel 122, an ultrasonic insulated wire channel 123, and a first fluid medium channel 124, where the shock wave insulated wire channel 122 is used for connecting the shock wave guide electrical ring 160 with an external power source, the ultrasonic insulated wire channel 123 is used for electrically connecting the ultrasonic probe 170 with a terminal device, the first fluid medium channel 124 is used for delivering a fluid medium to the second balloon 150 so that the second balloon 150 fills the blood vessel, and a void is provided at the outer periphery of the outer tube 110 corresponding to the first balloon 140, so that the fluid medium can enter the first balloon 140 through the third fluid medium channel 126 to fill the blood vessel to plug the blood vessel.
Since the expansion balloon 130 is disposed around the outer circumference of the inner tube 120, one end of the expansion balloon 130 is connected to the distal end of the outer tube 110, and the shock wave guide electrical ring 160 is disposed inside the expansion balloon 130, a second fluid medium channel 125 is formed between the outer tube 110 and the inner tube 120, so as to deliver the conductive medium to the shock wave guide electrical ring 160.
Referring to fig. 3, which illustrates a connection structure of the shock wave guide electrical ring 160, it should be noted that, for convenience of explaining the connection structure, the present example is illustrated by providing 2 shock wave guide electrical rings 160, such as a first shock wave guide electrical ring 1601 and a second shock wave guide electrical ring 1602 in fig. 3, specifically, the inner tube 120 is provided with a shock wave insulated wire passage 122, the shock wave insulated wires 162 are arranged along the shock wave insulated wire passage 122, specifically, the side wall of the inner tube 120 is provided with a first window 1201 and a second window 1202 at positions corresponding to the shock wave insulated wire passage 122, the first shock wave guide electrical ring 1601 is sleeved at the position of the first window 1201, and the second shock wave guide electrical ring 1602 is sleeved at the position of the second window 1202 and is fixed by using the position of the other un-windowed window.
Wherein, the shape of the window can be round, square or oval.
Further, a first notch 16011 is formed at the lower edge (or upper edge) of the first shock wave guide electrical ring 1601, a second notch 16012 is formed at the upper edge (or lower edge) of the first shock wave guide electrical ring 1601, similarly, a third notch 16021 is formed at the lower edge (or upper edge) of the second shock wave guide electrical ring 1602, and a fourth notch 16022 is formed at the upper edge (or lower edge) of the second shock wave guide electrical ring 1602, as shown in fig. 3, the shock wave insulated wire 162 includes a positive electrode wire 1621 and a negative electrode wire 1622, the shock wave first electrode 1, the shock wave second electrode 1614, the shock wave third electrode 1612 and the shock wave fourth electrode 1613 are respectively formed at the first notch 16011, the second notch 16012, the third notch 16021 and the fourth notch 16022 by removing part of the insulation layer, wherein, positive wire 1621 is connected with first electrode 1611 electricity, negative wire 1622 is connected with shock wave third electrode 1612 electricity, shock wave second electrode 1614 is connected with shock wave fourth electrode 1613 electricity, so that first shock wave electric loop 1601 and second shock wave electric loop 1602 form series connection structure on shock wave insulated wire 162, the circular arc is produced at the incision to the circular telegram back, thereby produce the shock wave bubble, the shock wave will pass through the dielectric fluid (like salt solution), through the sacculus, conduct to the calcification focus through blood vessel and vascular wall, the shock wave bubble breaks, the effect of coming energy play the release for the calcification focus.
Preferably, the first incision 16011, the second incision 16012, the third incision 16021, and the fourth incision 16022 are arc-shaped or square-shaped for easy forming.
In addition, the number of the shock waveguide electrical rings 160 may be 2, 3, 4 or more, and the windows may also be set to be 2, 3, 4 or more corresponding to the number of the shock waveguide electrical rings 160, and the installation manner thereof is consistent with the foregoing description and is not repeated.
Preferably, the material of the shock wave guide electrical ring 160 is one of platinum iridium alloy, platinum tungsten alloy, nickel titanium alloy or stainless steel, and the shock wave guide electrical ring 160 has a radiopaque function.
The multi-cavity catheter can distinguish different functional channels, a window is formed in the outer surface of different cavities, the purpose is to reduce more exposure of an insulated wire, and the possibility of electric leakage is reduced, for better protecting the wire, a heat shrink tube protective sleeve is sleeved at the position of the opened window and the position of an impact waveguide electric ring 160, the window, a conductive ring and the wire are wrapped by the heat shrink tube protective sleeve in the circumferential direction, specifically, as shown in fig. 4, a first heat shrink tube protective sleeve 1203 is sleeved at the position of a first window 1201 and the position of a first impact waveguide electric ring 1601, a second heat shrink tube protective sleeve 1204 is sleeved at the position of a second window 1202 and the position of a second impact waveguide electric ring 1602, and for further reducing the possibility of electric leakage, sealing rubber rings 1205 are sealed at the positions of two ends of the first heat shrink tube protective sleeve 1203 and the second heat shrink tube protective sleeve 1204.
In addition, the protection of the window of the ultrasonically insulated conductive wire may also be referred to as the configuration of the shock wave conductive wire protection structure, wherein the ultrasonically insulated conductive wire 171 is connected to the ultrasonic probe 170 via the ultrasonically insulated conductive wire passage 123.
In addition, the insulated wire can be fixed with the inner wall of the channel through dispensing at the position penetrating out of the window, so that the wire is prevented from shaking in the channel and easily causing falling off or connection falling off of the electrode.
Referring to fig. 9, the ultrasound probe 170 includes an ultrasound conductive ring 172 surrounding the outer periphery of the inner tube 120, an ultrasound emitting element 173 and an imaging element 174 are disposed on the circumferential surface of the ultrasound conductive ring 172, the imaging element 174 is used for performing sweeping imaging on the tissue and the vessel wall in the blood vessel after ultrasound is reflected or backscattered, wherein the ultrasound insulated wire 171 passes through the ultrasound insulated wire channel 123 from the proximal end of the inner tube 120 and then passes out of the ultrasound insulated wire window, and one end of the ultrasound insulated wire 171 passing out of the ultrasound insulated wire window is connected to the ultrasound conductive ring 172.
Preferably, the circumferential array of ultrasound conducting rings 172 is provided with a number of rotatable ultrasound emitting elements 173, the annular array of rotatable ultrasound emitting elements 173 being arranged at the circumference of the ultrasound conducting rings.
The terminal device comprises a controller 180 and a general computer system 190, wherein the controller 180 is electrically connected with the ultrasonic probe 170, the ultrasonic probe 170 further comprises a first output port 175, the controller 180 comprises a hardware module 181, a software module 182, a second output port 183 and a first input interface 184, the general computer system 190 is provided with a second input interface 191, the first output port 175 is electrically connected with the first input interface 184, the second output port 183 is connected with the second input interface 191, the software module 182 is used for receiving and processing signals from the intravascular ultrasonic probe 170, and the general computer system 190 is connected with the controller 180 and is used for receiving, storing and displaying data, images or videos of intravascular lesions.
Based on embodiment 1, after the catheter 100 is inserted into a blood vessel to reach a calcified focus, information is acquired inside the blood vessel by arranging the ultrasonic probe 170 so that the situation inside the blood vessel can be clearly seen, the shock wave guide electrical ring 160 is arranged based on the shock wave lithotripsy principle, shock waves pass through fluid, balloons, blood and blood vessel walls to reach the calcified focus so as to achieve the purpose of loosening the calcified focus, the arranged first balloon 140 and the arranged second balloon 150 can be used for filling fluid media to enable the fluid media to be full, so that the effect of plugging part of the blood vessel is achieved, the erosion of the calcified focus caused by blood flowing during plugging can be reduced, the risk of dropping of plaque in the ultrasonic detection or shock wave loosening process is reduced, the expanding balloon 130 is arranged to play an expanding effect on the calcified focus, a larger operation space is provided for subsequent thrombus taking or stent placing, and meanwhile, the fluid media channel of the expanding balloon 130 can be filled with conducting fluid such as saline water.
Example 2
Different from embodiment 1, this embodiment 2 provides another integrated apparatus for ultrasonic vasodilation 10, as shown in fig. 5, the integrated apparatus for ultrasonic vasodilation 10 includes a catheter 100, an expanding balloon 130, and an ultrasonic probe 170, wherein the ultrasonic probe 170 is disposed in the expanding balloon 130 for intravascular imaging, and the ultrasonic probe 170 is connected to a terminal device. In this embodiment, the condition inside the blood vessel can be clearly seen through the ultrasonic probe 170, and the calcified lesion can be dilated by the dilatation balloon 130.
Specifically, referring to fig. 5, the catheter 100 includes an outer tube 110 and an inner tube 120 coaxially disposed, each of the outer tube 110 and the inner tube 120 has a distal end extending into a blood vessel, wherein in order to enable fluid to reach the dilatation balloon 130, the distal end of the inner tube 120 is disposed to extend outside the distal end of the outer tube 110, and meanwhile, since it is necessary to deliver a contrast agent to the ultrasonic probe 170, and the dilatation balloon 130 is inflated to dilate calcified lesions, a second fluid medium channel 125 for delivering the contrast agent to the dilatation balloon 130 is formed between the outer tube 110 and the inner tube 120, a plurality of channels are formed in the catheter 100 to form a multi-lumen catheter, specifically, a guide wire channel 121 is formed in the middle of the inner tube 120 to guide the device to a target position of the blood vessel by a guide wire, and an ultrasonic insulated guide wire channel 123 is formed between the guide wire channel 121 and the inner wall of the inner tube 120 to allow an ultrasonic insulated guide wire 171 to pass through the ultrasonic insulated guide wire channel 123 from the proximal end of the inner tube 120 and then pass through an ultrasonic insulated guide wire window.
In addition, the protection measure of the ultrasonic insulated wire 171 at the window of the ultrasonic insulated wire can also refer to the arrangement of the shock wave conductor protection structure of embodiment 1, wherein the ultrasonic insulated wire 171 is connected with the ultrasonic probe 170 through the ultrasonic insulated wire channel 123.
Example 3
Different from embodiment 1, this embodiment 2 provides another blood vessel ultrasonic dilation integrated device 10, as shown in fig. 6, the blood vessel ultrasonic dilation integrated device 10 includes a catheter 100, a dilation balloon 130, and a shock waveguide electrical ring 160, wherein the shock waveguide electrical ring 160 is disposed in the dilation balloon 130 and is used for generating shock waves to loosen calcified lesions in a blood vessel, the shock waveguide electrical ring 160 can be used for generating shock waves based on a shock wave lithotripsy principle to achieve the purpose of loosening calcified lesions, and the dilation balloon 130 can dilate calcified lesions.
Referring to fig. 6, specifically, the catheter 100 includes an outer tube 110 and an inner tube 120 coaxially disposed, each of the outer tube 110 and the inner tube 120 has a distal end extending into the blood vessel, wherein, in order to enable the fluid to reach the dilation balloon 130, the distal end of the inner tube 120 is disposed to extend outside the distal end of the outer tube 110, and at the same time, since it is necessary to deliver the conductive medium to the shock wave guide electrical ring 160 and the dilation balloon 130 is inflated to dilate the calcified lesion, a second fluid medium channel 125 for delivering the conductive medium to the dilation balloon 130 is formed between the outer tube 110 and the inner tube 120, and multiple channels are formed in the catheter 100 to form a multi-lumen catheter, specifically, a guide wire channel 121 is formed in the middle of the inner tube 120 so that the device can be guided to the target position of the blood vessel by a guide wire, and a shock wave insulated wire channel 122 is formed between the guide wire channel 121 and the inner wall of the inner tube 120 so that the shock wave insulated wire 162 passes through the shock wave insulated wire channel 122 from the proximal end of the inner tube 120 and then passes through the shock wave insulated wire window.
In addition, the protection of the shockwave insulated wire 162 at the shockwave insulated wire window can also be referred to the configuration of the shockwave insulated wire protection structure of embodiment 1, wherein the ultrasonic insulated wire 171 is connected to the ultrasonic probe 170 through the ultrasonic insulated wire channel 123.
Example 4
Different from the embodiments 1 and 2, the embodiment 4 provides another integrated vascular ultrasonic dilation device 10, as shown in fig. 7, the integrated vascular ultrasonic dilation device 10 includes a catheter 100, a dilation balloon 130, a first balloon 140, a second balloon 150, and an ultrasonic probe 170, wherein the ultrasonic probe 170 is disposed in the dilation balloon 130 for intravascular imaging, and the ultrasonic probe 170 is connected to a terminal device. In the present embodiment, the ultrasound probe 170 can clearly see the situation inside the blood vessel, and the dilation balloon 130 can dilate the calcified lesion.
Specifically, referring to fig. 7, the catheter 100 includes an outer tube 110 and an inner tube 120 coaxially disposed, each of the outer tube 110 and the inner tube 120 having a distal end extending into a blood vessel, wherein in order to allow fluid to reach the dilatation balloon 130, the distal end of the inner tube 120 is disposed to extend outside the distal end of the outer tube 110, and at the same time, since it is necessary to deliver a contrast agent to the ultrasound probe 170, and at the same time, the dilatation balloon 130 is inflated to dilate calcified lesions, a second fluid medium channel 125 for delivering the contrast agent to the dilatation balloon 130 is formed between the outer tube 110 and the inner tube 120, a plurality of channels are formed in the catheter 100, specifically, a guide wire channel 121 is formed in the middle of the inner tube 120 so that the device can be guided to a target site of the blood vessel by a guide wire, an ultrasound insulated guide wire channel 123 and a first fluid medium channel 124 are formed between the guide wire channel 121 and the inner wall of the inner tube 120, wherein the ultrasound insulated guide wire channel 123 is used to allow an ultrasound insulated guide wire 171 to pass from the proximal end of the inner tube 120 through the ultrasound insulated guide wire channel 123 and then out of the ultrasound insulated wire window, and the first fluid medium channel 124 is used to deliver fluid medium to the second balloon 150 to occlude the blood vessel.
In order to achieve a better blocking effect on a part of a blood vessel, the first balloon 140 is added, preferably, the expansion balloon 130 is arranged between the first balloon 140 and the second balloon 150, wherein a pore is formed in the periphery of the outer tube 110 corresponding to the first balloon 140 so that a fluid medium can enter the first balloon 140 to fill and block the blood vessel, for this reason, after the first balloon 140 and the second balloon 150 fill, a function of blocking a part of the blood vessel can be achieved, flushing of blood flowing to a calcified focus during blocking can be reduced, and a risk of plaque falling off in an ultrasonic detection process is reduced.
In addition, the protection measure of the ultrasonic insulated wire 171 at the window of the ultrasonic insulated wire can also refer to the arrangement of the shock wave conductor protection structure of embodiment 1, wherein the ultrasonic insulated wire 171 is connected with the ultrasonic probe 170 through the ultrasonic insulated wire channel 123.
Example 5
Different from embodiments 1 and 3, this embodiment 5 provides another integrated apparatus for ultrasonic vessel dilation 10, as shown in fig. 8, the integrated apparatus for ultrasonic vessel dilation 10 includes a catheter 100, a dilation balloon 130, a first balloon 140, a second balloon 150, and an impact waveguide electrical ring 160, where the impact waveguide electrical ring 160 is disposed in the dilation balloon 130 and is used for generating a shock wave to loosen a calcified lesion in a vessel, and the shock wave can be generated by the impact waveguide electrical ring 160 based on a shock wave lithotripsy principle to achieve the purpose of loosening the calcified lesion, and the dilation balloon 130 can dilate the calcified lesion.
Referring to fig. 6, in particular, the catheter 100 comprises an outer tube 110 and an inner tube 120 coaxially arranged, the outer tube 110 and the inner tube 120 each having a distal end extending into the blood vessel, wherein, in order to enable the fluid to reach the dilatation balloon 130, the distal end of the inner tube 120 is arranged to extend outside the distal end of the outer tube 110, and at the same time, a second fluid medium channel 125 for delivering the conductive medium to the dilatation balloon 130 is formed between the outer tube 110 and the inner tube 120, since it is necessary to deliver the conductive medium to the shock wave guide electrical ring 160 while the dilatation balloon 130 is inflated to dilate the calcified lesion.
Further, a plurality of channels are formed in the catheter 100 to form a multi-lumen catheter, specifically, a guide wire channel 121 is formed in the middle of the inner tube 120 to guide the device to a target position of a blood vessel by a guide wire, and a shock wave insulated wire channel 122 is formed between the guide wire channel 121 and the inner wall of the inner tube 120 to facilitate the shock wave insulated wire 162 to pass through the shock wave insulated wire channel 122 from the proximal end of the inner tube 120 and then to pass out of the shock wave insulated wire window.
In order to achieve a better blocking effect on a part of a blood vessel, the first balloon 140 is added, preferably, the expansion balloon 130 is arranged between the first balloon 140 and the second balloon 150, wherein a pore is formed in the periphery of the outer tube 110 corresponding to the first balloon 140 so that a fluid medium can enter the first balloon 140 to fill and block the blood vessel, for this reason, after the first balloon 140 and the second balloon 150 fill, a function of blocking a part of the blood vessel can be achieved, flushing of blood flowing to a calcified focus during blocking can be reduced, and a risk of dropping a plaque in a shock wave loosening process is reduced.
In addition, the protection of the shockwave insulated wire 162 at the shockwave insulated wire window can also be referred to the configuration of the shockwave insulated wire protection structure of embodiment 1, wherein the ultrasonic insulated wire 171 is connected to the ultrasonic probe 170 through the ultrasonic insulated wire channel 123.
In other examples of the invention, the inner tube of the catheter may be a double lumen or multi-lumen catheter and the outer tube a single lumen or double lumen catheter.
In summary, the present invention provides an integrated device for ultrasonic dilation of blood vessel, after a catheter is inserted into a blood vessel to reach a calcified focus position, an ultrasonic probe is arranged to acquire information inside the blood vessel so as to clearly see the situation inside the blood vessel, and a shock wave guide electrical ring is arranged, based on the shock wave lithotripsy principle, shock waves pass through fluid, a balloon, blood and a blood vessel wall to reach the calcified focus so as to achieve the purpose of loosening the calcified focus.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention. Having thus shown and described the fundamental principles, essential features and advantages of the invention, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing preferred embodiment, and that the embodiment is to be regarded as illustrative rather than limiting, and that the scope of the invention is given by the appended claims, rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An integrated vascular ultrasonic dilation device, comprising:
a catheter having a distal end extending into a blood vessel, the catheter having a plurality of channels therein;
the balloons are arranged at intervals along the length direction of the catheter, each balloon is arranged around the periphery of the catheter in a surrounding manner, and each balloon is at least communicated with one channel;
the shock wave guide electric ring is arranged in any one of the saccules and is used for generating shock waves to loosen calcified lesions in the blood vessel; and/or
The ultrasonic probe is arranged in any balloon and used for intravascular imaging, and the ultrasonic probe is connected with the terminal equipment.
2. The integrated ultrasonic vasodilator device of claim 1, wherein the catheter comprises an outer tube and an inner tube coaxially arranged, the outer tube and the inner tube each having a distal end extending into the blood vessel, the distal end of the inner tube extending outside the distal end of the outer tube, and the balloon being disposed at the distal end of the outer tube or the inner tube.
3. The integrated ultrasonic vasodilator device according to claim 2, wherein a second fluid medium passage is formed between the outer tube and the inner tube, and a third fluid medium passage is formed in the outer tube;
the middle part of the inner tube is provided with a guide wire channel, and the guide wire channel and the inner wall of the inner tube form at least one transition channel.
4. The integrated ultrasonic vasodilator device of claim 3, wherein the balloon comprises an expanding balloon, the expanding balloon is disposed at the distal end of the outer tube, the expanding balloon is communicated with the second fluid medium channel, the expanding balloon is disposed around the outer circumference of the inner tube, and the distal end of the expanding balloon is hermetically connected with the outer circumference of the inner tube.
5. The integrated ultrasonic vascular dilation device according to claim 4, wherein the shock waveguide is electrically looped within the dilation balloon; or
The ultrasonic probe is arranged in the expansion balloon.
6. The integrated ultrasonic vasodilator device of claim 3, wherein the balloon comprises:
the expansion balloon is arranged on the periphery of the inner tube in a surrounding manner, one end of the expansion balloon is connected with the distal end of the outer tube, and the expansion balloon is communicated with the second fluid medium channel;
the first balloon is arranged around the outer periphery of the outer tube, and a pore is formed in the outer periphery of the outer tube corresponding to the first balloon so as to enable the first balloon to be communicated with the third fluid medium channel; and
the second balloon is arranged around the periphery of the far end of the inner tube and communicated with one of the transition channels.
7. The integrated ultrasonic vascular dilation device according to claim 6, wherein the shock waveguide is electrically looped inside the dilation balloon, and the ultrasonic probe is arranged inside the second balloon.
8. The integrated ultrasonic vasodilator device of claim 3, wherein the transition channel comprises:
the shock wave insulation lead channel is used for connecting the shock wave guide electric ring with an external power supply;
the ultrasonic insulated wire channel is used for connecting the ultrasonic probe with the terminal equipment; and
a first fluid medium channel for delivering a fluid medium to the second balloon.
9. The integrated ultrasonic vasodilator device of claim 1, wherein the ultrasonic probe comprises an electrically conductive ultrasonic ring surrounding the outer circumference of the inner tube, and an ultrasonic transmitting element and an imaging element are arranged on the circumferential surface of the electrically conductive ultrasonic ring, and the imaging element is used for scanning and imaging the tissue and the blood vessel wall in the blood vessel after the ultrasonic waves are reflected or backscattered.
10. The integrated ultrasonic vasodilator device of claim 1, wherein the terminal device comprises:
the controller is electrically connected with the ultrasonic probe and is used for receiving and processing signals from the ultrasonic probe in the blood vessel; and
a general purpose computer system, coupled to the controller, for receiving, storing and displaying data, images or video of intravascular lesions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211266859.8A CN115644983A (en) | 2022-10-17 | 2022-10-17 | Blood vessel ultrasonic expansion integrated device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211266859.8A CN115644983A (en) | 2022-10-17 | 2022-10-17 | Blood vessel ultrasonic expansion integrated device |
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| CN115644983A true CN115644983A (en) | 2023-01-31 |
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| CN202211266859.8A Pending CN115644983A (en) | 2022-10-17 | 2022-10-17 | Blood vessel ultrasonic expansion integrated device |
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