CN113180782B - Clamping type ultrasonic thrombolysis device - Google Patents
Clamping type ultrasonic thrombolysis device Download PDFInfo
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- CN113180782B CN113180782B CN202110443962.4A CN202110443962A CN113180782B CN 113180782 B CN113180782 B CN 113180782B CN 202110443962 A CN202110443962 A CN 202110443962A CN 113180782 B CN113180782 B CN 113180782B
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
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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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
- A61B2017/22014—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement the ultrasound transducer being outside patient's body; with an ultrasound transmission member; with a wave guide; with a vibrated guide wire
Abstract
The invention discloses a clamping type ultrasonic thrombolysis device, which solves the problem that thrombus generated after a clinical implanted medical instrument is implanted into a patient body is difficult to remove and comprises a clamp, a first ultrasonic transducer, a second ultrasonic transducer and an ultrasonic signal generator, wherein the clamp is provided with a first clamp arm and a second clamp arm, a first clamping part is arranged at the second end of the first clamp arm, a second clamping part is arranged at the second end of the second clamp arm, the first ultrasonic transducer is arranged on the inner side surface of the first clamping part, which is opposite to the second clamping part, the second ultrasonic transducer is arranged on the inner side surface of the second clamping part, which is opposite to the first clamping part, and the ultrasonic signal generator is respectively connected with the first ultrasonic transducer and the second ultrasonic transducer through leads. The clamping type ultrasonic thrombolysis device can be clamped on the outer surfaces of implantation instruments such as artificial hearts and artificial blood vessels with thrombus, applies ultrasonic with specific frequency to perform thrombolysis treatment, and has the advantages of convenience in use, good treatment effect, flexible treatment area and the like.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a clamping type ultrasonic thrombolysis device.
Background
Cardiovascular diseases are a serious threat to human health and life. The implanted medical apparatus is one of the most effective means for treating cardiovascular and cerebrovascular diseases, the implanted medical apparatus needs to be operated in a blood environment for a long time, thrombus growth on the surface of the apparatus is difficult to avoid, and aiming at the thrombus problem of the implanted medical apparatus, the prior main method comprises the optimization design of the structure, the shape and the surface of the apparatus at the early stage, the anticoagulation of medicaments and the like. However, the therapeutic means optimally designed by the structure, shape and surface of the former apparatus is difficult to fundamentally inhibit the growth of thrombus, and the excessive dosage and long-term administration of the anticoagulant drug can cause bleeding complications of patients.
In the related art, the ultrasonic thrombolysis device cannot reach a specific area in the implanted medical instrument for thrombolysis. Therefore, the ultrasonic thrombolysis device can only be used for thrombolysis treatment of blood vessels in a body, cannot be applied to special-shaped implanted medical instruments, and has the problems of small ultrasonic energy, low treatment efficiency and the like.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the invention solves the problem that thrombus generated after the clinical implanted medical instrument is implanted into the body of a patient is difficult to remove, and provides a novel device for removing the thrombus of the implanted medical instrument.
The clamping type ultrasonic thrombolysis device provided by the embodiment of the invention comprises: the clamp comprises a first clamp arm and a second clamp arm, the first clamp arm and the second clamp arm are connected in a pivoting mode, a first holding portion is arranged at the first end of the first clamp arm, a first clamping portion is arranged at the second end of the first clamp arm, a second holding portion is arranged at the first end of the second clamp arm, a second clamping portion is arranged at the second end of the second clamp arm, and the first clamping portion and the second clamping portion can be opened and closed; the first ultrasonic transducer is arranged on the inner side surface of the first clamping part opposite to the second clamping part, and the second ultrasonic transducer is arranged on the inner side surface of the second clamping part opposite to the first clamping part; the ultrasonic signal generator is respectively connected with the first ultrasonic transducer and the second ultrasonic transducer through leads.
In some embodiments, the first and second clip portions form a loop when closed.
In some embodiments, the first and second clip portions form a circular ring when closed.
In some embodiments, the first and second ultrasonic transducers are each arc-shaped.
In some embodiments, the first and second clamp portions are each semi-circular.
In some embodiments, the first and second ultrasonic transducers are symmetrical to each other.
In some embodiments, the arc has a central angle of 120 ° to 180 °.
In some embodiments, the first ultrasonic transducer is glued on an inside surface of the first clamp and the second ultrasonic transducer is glued on an inside surface of the second clamp.
In some embodiments, the clip-on ultrasonic thrombolysis device further comprises a protective sheath wrapped around the first clip arm and the second clip arm.
In some embodiments, the ultrasonic signal generator includes a signal generator and a signal amplifier, the signal generator and the signal amplifier are connected through a wire and used for amplifying the driving signal generated by the signal generator, and the signal amplifier is respectively connected with the first ultrasonic transducer and the second ultrasonic transducer through ultrasonic transducer connectors.
The technical scheme of the invention has the beneficial effects that: the clamping type ultrasonic thrombolysis device has the advantages that the minimally invasive interventional operation which is widely developed clinically at present is utilized, the clamp is innovatively combined with the first ultrasonic transducer and the second ultrasonic transducer, ultrasonic with specific frequency can be generated at a specific part for thrombolysis treatment, compared with the existing ultrasonic thrombolysis catheter, the clamping type ultrasonic thrombolysis device is more flexible in treatment area, the first ultrasonic transducer and the second ultrasonic transducer are designed into circular rings, ultrasonic energy can be converged in the circular focal area, the ultrasonic energy generated by the first ultrasonic transducer and the second ultrasonic transducer is improved, thrombolysis is accelerated, and treatment efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a clamping ultrasonic thrombolysis device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a first clamping arm of the clamping type ultrasonic thrombolysis device according to the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a first ultrasonic transducer of a clamped ultrasonic thrombolysis device according to an embodiment of the present invention.
Reference numerals:
a clamping ultrasonic thrombolysis device 100;
a clamp 1; a first clamp arm 11; a first grip portion 111; a first clamping portion 112; a second clamp arm 12; a second grip portion 121; a second clamping portion 122;
a first ultrasonic transducer 3; a second ultrasonic transducer 4; an ultrasonic signal generator 5; a wire 6; a protective sheath 7; a signal generator 8; a signal amplifier 9; ultrasound transducer connector 10.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A clip-on ultrasonic thrombolysis device according to an embodiment of the present invention will be described with reference to fig. 1 to 3.
As shown in fig. 1-2, a clip-type sonothrombolysis device 100 according to an embodiment of the present invention includes a clip 1, a first ultrasonic transducer 3, a second ultrasonic transducer 4, and an ultrasonic signal generator 5.
The clamp 1 has a first clamping arm 11 and a second clamping arm 12, the first clamping arm 11 and the second clamping arm 12 are pivotally connected, a first end (as shown in fig. 1, a left end of the first clamping arm 11) of the first clamping arm 11 is provided with a first holding portion 111, a second end (as shown in fig. 1, a right end of the first clamping arm 11) of the first clamping arm 11 is provided with a first clamping portion 112, a first end (as shown in fig. 1, a left end of the second clamping arm 12) of the second clamping arm 12 is provided with a second holding portion 121, a second end (as shown in fig. 1, a right end of the second clamping arm 12) of the second clamping arm 12 is provided with a second clamping portion 122, and the first clamping portion 112 and the second clamping portion 122 are openable and closable.
The first ultrasonic transducer 3 is provided on an inner side surface of the first clamping portion 112 opposite to the second clamping portion 122, and the second ultrasonic transducer 4 is provided on an inner side surface of the second clamping portion 122 opposite to the first clamping portion 112.
And the ultrasonic signal generator 5 is connected with the first ultrasonic transducer 3 and the second ultrasonic transducer 4 through leads 6 respectively. Therefore, the first ultrasonic transducer 3 and the second ultrasonic transducer 4 can clamp the implanted medical instrument with thrombus by the clamp 1, the ultrasonic signal generator 5 generates a driving signal, and the driving signal drives the first ultrasonic transducer 3 and the second ultrasonic transducer 4 to generate ultrasonic waves, so that the implanted medical instrument with thrombus is subjected to thrombolysis treatment.
According to the clamping type ultrasonic thrombolysis device 100 provided by the embodiment of the invention, the first ultrasonic transducer 3 is arranged on the inner side surface of the first clamping part 112 opposite to the second clamping part 122, the second ultrasonic transducer 4 is arranged on the inner side surface of the second clamping part 122 opposite to the first clamping part 112, the clamping forceps 1 is used for extending into the part of the thrombus to be implanted with a medical instrument, so that the first ultrasonic transducer 3 and the second ultrasonic transducer 4 clamp the implanted medical instrument with the thrombus by the clamping forceps 1, ultrasonic waves emitted by the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are transmitted to the thrombus area by the implanted medical instrument, the ultrasonic cavitation phenomenon occurs in the thrombus area, energy such as shearing force and micro jet flow is generated to tear the thrombus, and the thrombus is dissolved. In addition, through the combination of the clamp 1, the first ultrasonic transducer 3 and the second ultrasonic transducer 4, ultrasonic with a specific frequency can be generated at a specific position for treating thrombus, so that the treatment area is more flexible, and the problem that the thrombus generated after the clinical implantation medical instrument is implanted into the body of a patient is difficult to remove is effectively solved.
In some embodiments, first clip portion 112 and second clip portion 122 form a loop when closed. Therefore, the first clamping part 112 and the second clamping part 122 can clamp the implanted medical instrument with thrombus, and the treatment effect of the clamping type ultrasonic thrombolysis device 100 is ensured.
It will be appreciated that the first and second clamping portions 112, 122 may be elliptical, rectangular, or circular when closed, thereby enabling the first and second clamping portions 112, 122 to clamp different types of implant devices, allowing for more flexibility in the placement of the clip-on sonothrombolysis device 100.
In some embodiments, first clip portion 112 and second clip portion 122 form a circular ring shape when closed. For example, the implanted medical device is an artificial heart pump, the outer wall surface of which is in a circular tube shape, and the first clamping portion 112 and the second clamping portion 122 form a circular ring shape when being closed, so that the first clamping portion 112 and the second clamping portion 122 clamp the implanted medical device with thrombus growing thereon, and the arrangement of the first clamping portion 112 and the second clamping portion 122 is more reasonable.
In some embodiments, the first and second clamping portions 112, 122 are each semi-circular. Therefore, the medical device can be conveniently implanted between the first clamping part 112 and the second clamping part 122, and the arrangement of the first clamping part 112 and the second clamping part 122 is further more reasonable.
In some embodiments, the first and second ultrasonic transducers 3 and 4 are each circular arc shaped. Therefore, the first ultrasonic energy ring device is conveniently mounted on the inner side surface of the first clamping part 112, the second ultrasonic energy transducer 4 is mounted on the inner side surface of the second clamping part 122, ultrasonic waves generated by the first ultrasonic energy transducer 3 and the second ultrasonic energy transducer 4 are transmitted from the inner peripheral surface of the circular arc to the circle center direction of the circular arc, the ultrasonic waves are superposed between the two circular arcs, and the ultrasonic energy is converged in the annular focal region (the annular focal region is the inner part of the circular ring formed by the two circular arcs), so that the ultrasonic energy is improved, thrombolysis is accelerated, and the treatment effect of the clamping type ultrasonic thrombolysis device 100 is improved.
It is to be understood that the shapes of the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are not limited thereto, and the first ultrasonic transducer 3 and the second ultrasonic transducer 4 may be changed in their shapes and sizes according to the implanted medical instrument, thereby achieving the purpose of the first ultrasonic transducer 3 and the second ultrasonic transducer 4 holding different types of implanted instruments and applying the treatment of ultrasound.
In some embodiments, the first and second ultrasonic transducers 3 and 4 are symmetrical to each other. Therefore, the ultrasonic wave superposition position is concentrated near the circle centers of the first ultrasonic transducer 3 and the second ultrasonic transducer 4, when the first ultrasonic transducer 3 and the second ultrasonic transducer 4 clamp the implantation instrument, the ultrasonic wave superposition position can be positioned in the implantation instrument, and the treatment efficiency of the clamping type ultrasonic thrombolysis device 100 is further improved.
In some embodiments, as shown in FIG. 3, the circular arc has a central angle of 120-180. When the central angles of the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are too small, the energy of ultrasonic waves generated by the first ultrasonic transducer 3 and the second ultrasonic transducer 4 is reduced, and when the central angles of the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are too small, the first ultrasonic transducer 3 and the second ultrasonic transducer 4 cannot clamp the implanted medical instrument and cannot be mounted on the clamp 1, so that the central angles of the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are 120-180 degrees, the energy of ultrasonic waves generated by the first ultrasonic transducer 3 and the second ultrasonic transducer 4 is ensured, and the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are also convenient to mount.
In some embodiments, as shown in fig. 3, the first and second ultrasonic transducers 3 and 4 have a thickness of 1mm to 10 mm. Therefore, the first ultrasonic transducer 3 and the second ultrasonic transducer 4 can be selectively processed according to clinical requirements, so that the first ultrasonic transducer 3 and the second ultrasonic transducer 4 can be more reasonably designed.
In some embodiments, the first ultrasonic transducer 3 is glued on the inside surface of the first clamping part 112 and the second ultrasonic transducer 4 is glued on the inside surface of the second clamping part 122. Specifically, as shown in fig. 1, the outer side surface of the first ultrasonic transducer 3 is attached to the inner side surface of the first clamping portion 112, and the outer side surface of the second ultrasonic transducer 4 is attached to the inner side surface of the second clamping portion 122. Thereby, the first ultrasonic transducer 3 is fixed to the inner side surface of the first clamping portion 112, and the second ultrasonic transducer 4 is fixed to the inner side of the second clamping portion 122.
It is understood that the mounting manner between the first ultrasonic transducer 3 and the first clamping portion 112 and the mounting manner between the second ultrasonic transducer 4 and the second clamping portion 122 are not limited to the adhesive connection, and other connection manners, such as screw connection, clamping connection, etc., may also be used.
In some embodiments, the clip-on ultrasonic thrombolysis device 100 further comprises a protective sheath 7 wrapped around the first clip arm 11 and the second clip arm 12. Specifically, as shown in fig. 1, first arm lock 11 and second arm lock 12 parcel have protective sheath 7, and wire 6 wears to establish in protective sheath 7, and ultrasonic signal generator 5 is connected respectively to the one end of wire 6, and first ultrasonic transducer 3 or second ultrasonic transducer 4 are connected to the other end of wire 6, and from this, protective sheath 7 not only prevents first arm lock 11, second arm lock 12 and wire 6 from being damaged, has also combed wire 6, prevents that wire 6 overlength and winding from influencing user's normal use on first arm lock 11, second arm lock 12.
In some embodiments, the ultrasonic signal generator 5 comprises a signal generator 8 and a signal amplifier 9, the signal generator 8 and the signal amplifier 9 are connected by a wire 6 for amplifying the driving signal generated by the signal generator 8, and the signal amplifier 9 is connected with the first ultrasonic transducer 3 and the second ultrasonic transducer 4 through an ultrasonic transducer connector 10 respectively. Therefore, the signal generator 8 is started to generate a driving signal, the driving signal is transmitted to the signal amplifier 9 through the lead 6, the signal amplifier 9 amplifies the driving signal, and the amplified signal drives the first ultrasonic transducer 3 and the second ultrasonic transducer 4 through the ultrasonic transducer joint 10 to generate ultrasonic waves, so that the thrombus is treated.
The clip-on sonothrombolysis device 100 of some embodiments of the present invention is described below with reference to fig. 1-3.
The clip-on ultrasonic thrombolysis device 100 according to a specific example of the present invention includes a clip 1, a first ultrasonic transducer 3, a second ultrasonic transducer 4, and an ultrasonic signal generator 5.
The clamp 1 comprises a first clamping arm 11 and a second clamping arm 12, the first clamping arm 11 and the second clamping arm 12 are connected in a pivoting manner, a first holding portion 111 is arranged at the left end of the first clamping arm 11, a first clamping portion 112 is arranged at the right end of the first clamping arm 11, a second holding portion 121 is arranged at the left end of the second clamping arm 12, a second clamping portion 122 is arranged at the right end of the second clamping arm 12, the first clamping portion 112 and the second clamping portion 122 are both semicircular, a first ultrasonic transducer 3 is arranged on the inner side surface, opposite to the second clamping portion 122, of the first clamping portion 112 through an adhesive, a second ultrasonic transducer 4 is arranged on the inner side surface, opposite to the first clamping portion 112, of the second clamping portion 122 through an adhesive, the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are symmetrically arranged, the first ultrasonic transducer 3 and the second ultrasonic transducer 4 are both arc-shaped, the central angle of the arc is 120 degrees, the thickness of the arc is 4mm, and the inner diameter of the inner circumferential surface of the arc is 20 mm.
The ultrasonic signal generator 5 comprises a signal generator 8 and a signal amplifier 9, the signal amplifier 9 and the signal generator 8 are connected through a lead 6, and the signal amplifier 9 is respectively connected with the first ultrasonic transducer 3 and the second ultrasonic transducer 4 through an ultrasonic transducer joint 10, so that the first ultrasonic transducer 3 and the second ultrasonic transducer 4 generate ultrasonic waves.
Therefore, the clamping type ultrasonic thrombolysis device 100 according to the embodiment of the invention has the advantages of simple structure, flexible use, good treatment effect, strong pertinence and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either mechanically or electrically or in communication with each other; either directly or indirectly through intervening media, either internally or in any combination, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. The utility model provides a centre gripping formula supersound thrombolysis device which characterized in that includes:
the clamp comprises a first clamp arm and a second clamp arm, the first clamp arm and the second clamp arm are connected in a pivoting mode, a first holding portion is arranged at the first end of the first clamp arm, a first clamping portion is arranged at the second end of the first clamp arm, a second holding portion is arranged at the first end of the second clamp arm, a second clamping portion is arranged at the second end of the second clamp arm, and the first clamping portion and the second clamping portion can be opened and closed;
the ultrasonic energy converter comprises a first ultrasonic energy converter and a second ultrasonic energy converter, wherein the first ultrasonic energy converter is arranged on the inner side surface of the first clamping part opposite to the second clamping part, the second ultrasonic energy converter is arranged on the inner side surface of the second clamping part opposite to the first clamping part, the first ultrasonic energy converter and the second ultrasonic energy converter are both in a circular arc shape, ultrasonic waves generated by the first ultrasonic energy converter and the second ultrasonic energy converter are transmitted from the inner peripheral surface of the circular arc to the circle center direction of the circular arc, so that the ultrasonic waves are superposed between the two circular arc shapes, and the ultrasonic energy is converged in the inner part of a circular ring formed by the two circular arc shapes;
the ultrasonic signal generator is respectively connected with the first ultrasonic transducer and the second ultrasonic transducer through leads;
the first clamping part and the second clamping part form a ring shape when being closed, the first clamping part and the second clamping part can clamp an implanted medical device with thrombus growing thereon, ultrasonic waves emitted by the first ultrasonic transducer and the second ultrasonic transducer are transmitted to a thrombus area through the implanted medical device, so that the ultrasonic cavitation phenomenon occurs in the thrombus area, and shearing force and micro-jet energy are generated to tear the thrombus and dissolve the thrombus.
2. The clamp-on sonothrombolysis device of claim 1, wherein said first and second clamp portions are each semi-circular in shape.
3. The clip-on sonothrombolysis device of claim 2, wherein said first and second ultrasonic transducers are symmetrical to each other.
4. The clamp-on sonothrombolysis device of claim 2, wherein the circular arc has a central angle of 120 ° -180 °.
5. The clip-on sonothrombolysis device of claim 1, wherein said first ultrasonic transducer is glued on an inside surface of said first clip portion and said second ultrasonic transducer is glued on an inside surface of said second clip portion.
6. The clamp-type sonothrombolysis device of claim 1, further comprising a protective sheath wrapped around said first and second clamp arms.
7. The clamping ultrasonic thrombolysis device of claim 1, wherein the ultrasonic signal generator comprises a signal generator and a signal amplifier, the signal generator and the signal amplifier are connected by a wire and are used for amplifying the driving signal generated by the signal generator, and the signal amplifier is respectively connected with the first ultrasonic transducer and the second ultrasonic transducer by an ultrasonic transducer joint.
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| CN202110443962.4A CN113180782B (en) | 2021-04-23 | 2021-04-23 | Clamping type ultrasonic thrombolysis device |
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| CN202110443962.4A CN113180782B (en) | 2021-04-23 | 2021-04-23 | Clamping type ultrasonic thrombolysis device |
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| CN113180782B true CN113180782B (en) | 2022-05-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448354A (en) * | 2019-08-07 | 2019-11-15 | 西安市第四医院 | A kind of cerebral thrombosis supersonic therapeutic system |
| CN111278506A (en) * | 2017-10-23 | 2020-06-12 | 卡尔迪亚韦弗公司 | Device for treating thrombosis of a blood vessel by ultrasound |
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| US7223279B2 (en) * | 2000-04-21 | 2007-05-29 | Vascular Control Systems, Inc. | Methods for minimally-invasive, non-permanent occlusion of a uterine artery |
| CN1689662A (en) * | 2004-04-30 | 2005-11-02 | 郎鸿志 | Via-skull stereo directed ultrasonic thrombolysis therapeutic apparatus |
| CN100463660C (en) * | 2006-01-18 | 2009-02-25 | 重庆海扶(Hifu)技术有限公司 | Ultrasonic therapeutic pincers |
| CN103156667A (en) * | 2011-12-17 | 2013-06-19 | 西安交大京盛科技发展有限公司 | Tongs used for taking vessel cancer embolus |
| CN106137319A (en) * | 2015-03-31 | 2016-11-23 | 李楠 | Novel open operation portal vein takes bolt pincers |
| US11596436B2 (en) * | 2019-04-04 | 2023-03-07 | Transmed7, Llc | Excisional devices and methods |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111278506A (en) * | 2017-10-23 | 2020-06-12 | 卡尔迪亚韦弗公司 | Device for treating thrombosis of a blood vessel by ultrasound |
| CN110448354A (en) * | 2019-08-07 | 2019-11-15 | 西安市第四医院 | A kind of cerebral thrombosis supersonic therapeutic system |
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