CN114225189A - Internal imaging balloon catheter - Google Patents

Internal imaging balloon catheter Download PDF

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Publication number
CN114225189A
CN114225189A CN202111679393.XA CN202111679393A CN114225189A CN 114225189 A CN114225189 A CN 114225189A CN 202111679393 A CN202111679393 A CN 202111679393A CN 114225189 A CN114225189 A CN 114225189A
Authority
CN
China
Prior art keywords
imaging
tube
balloon
internal
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111679393.XA
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Chinese (zh)
Inventor
鄢志兵
李翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Acoustic Life Science Co ltd
Original Assignee
Acoustic Life Science Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Acoustic Life Science Co ltd filed Critical Acoustic Life Science Co ltd
Priority to CN202111679393.XA priority Critical patent/CN114225189A/en
Publication of CN114225189A publication Critical patent/CN114225189A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1002—Balloon catheters characterised by balloon shape
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • A61B5/6853—Catheters with a balloon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/10—Balloon catheters
    • A61M25/1018—Balloon inflating or inflation-control devices
    • A61M25/10181—Means for forcing inflation fluid into the balloon

Abstract

The invention discloses an internal imaging balloon catheter, which comprises: the device comprises a guide wire tube, an imaging tube, a balloon and an internal imaging probe; the silk guide tube is connected with the imaging tube and is not communicated with the imaging tube, and the balloon is partially sleeved on the peripheral surface of the silk guide tube; the imaging tube is communicated with the inside of the balloon, the balloon can be expanded by inputting liquid into the imaging tube, and the expanded balloon can be used for opening the narrow use position of the inner imaging balloon catheter. The inner imaging probe is disposed inside the imaging tube. The wire guide pipe is provided with a wire guide cavity for penetrating the wire guide, and the wire guide can penetrate to the outer side of the wire guide pipe. The guide wire tube and the imaging tube extend in the same direction, so that the diameter of the guide tube can be set to be small, the guide tube can reach narrow use positions, and the ultrasonic loss is small because the inner imaging probe only needs to penetrate through the single-layer tube wall of the imaging tube for scanning, detecting and observing; in addition, the detection position of the internal imaging probe cannot be influenced by the expansion of the balloon, so that the accuracy of internal imaging is improved.

Description

Internal imaging balloon catheter
Technical Field
The invention relates to the technical field of balloon catheters, in particular to an internal imaging balloon catheter.
Background
One example of the prior art in which internal imaging techniques are combined with balloon catheters: an acoustic imaging balloon catheter formed of a disposable liquid-constraining sheath supporting a high fidelity flexible drive shaft carrying an ultrasound transducer on its end and including an inflatable dilatation balloon.
The defects of the prior art are as follows: firstly, the double-cavity structure in the balloon increases the outer diameter of the catheter, and is not beneficial to entering smaller and narrower parts; secondly, when the probe forms images in the balloon, the ultrasound must penetrate through the inner tube and the double-layer barrier of the balloon, and the requirements on the penetrability and accuracy of the ultrasound are high; thirdly, the dilation effect of the inflated balloon may influence the position determination.
Therefore, how to provide an internal imaging balloon catheter with small size and accurate internal imaging scanning is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an internal imaging balloon catheter with more accurate internal imaging scanning detection and smaller size.
To achieve the above object, the present invention provides an internal imaging balloon catheter comprising: the wire guide tube is provided with a wire guide cavity, and the wire guide cavity is used for penetrating a guide wire;
the imaging tube is arranged at one end of the guide wire tube and extends in the same direction as the guide wire tube;
the balloon is partially sleeved on the periphery of the guide wire tube and communicated with the imaging tube to expand the balloon;
the inner imaging probe is arranged at one end, deviating from the saccule, in the imaging tube.
Optionally, the internal imaging probe comprises: the transducer and the driving shaft, the transducer can follow the driving shaft to rotate and move along the length direction of the imaging tube.
Optionally, the imaging tube is connected to a handle for controlling the inner imaging probe.
Optionally, the handle comprises: a joint for connecting the driving shaft and an injection hole for injecting liquid.
Optionally, a sealing ring is arranged between the joint and the injection hole to prevent liquid from seeping out.
Optionally, the internal imaging probe can also be an OCT probe to realize internal imaging scanning.
Against the background art described above, the present invention is provided with: the device comprises a guide wire tube, an imaging tube, a balloon and an internal imaging probe; the guide wire tube is connected with the imaging tube and is not communicated with the imaging tube. The balloon is partially sleeved on the peripheral surface of the wire guide tube, and the wire guide tube is provided with a part which is not sleeved; the imaging tube is communicated with the inside of the balloon through the tiny cavity channel arranged on the outer surface of the part, which is not sleeved, of the wire guide tube, an operator can expand the balloon by inputting liquid into the imaging tube, and the expanded balloon can be used for opening a narrow working position for the inner imaging balloon catheter so as to move and perform subsequent operation on the inner imaging balloon catheter. The imaging probe sets up the one end that deviates from the sacculus inside the formation of image pipe in above-mentioned, so set up the scanning of having guaranteed interior imaging probe only need pierce through the formation of image intraductal wall can. The silk guide tube is provided with a silk guide cavity for penetrating through a silk guide, one end of the silk guide cavity is arranged on the end face, deviating from the imaging tube, of the silk guide tube, the other end of the silk guide cavity is arranged on the side wall of the silk guide tube, and the middle section of the silk guide cavity penetrates through the inside of the saccule and is not communicated with the saccule and is used for achieving side puncture of the silk guide. The guide wire tube and the imaging tube extend in the same direction, so that the diameter of the catheter can be set to be small, the catheter can reach narrow working positions, and meanwhile, because the inner imaging probe is arranged on the outer side of the balloon, the inner imaging probe only needs to penetrate through the single-layer tube wall of the imaging tube for scanning, detecting and observing, and the ultrasonic loss is smaller; moreover, the detection position of the internal imaging probe cannot be influenced by the expansion of the balloon, and the detection position are combined to improve the accuracy of internal imaging.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a cross-sectional view of an internal imaging balloon catheter provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an internal imaging probe according to an embodiment of the present invention;
fig. 3 is a schematic view of the external mounting of an internal imaging balloon catheter and handle provided by an embodiment of the invention.
Wherein:
1-guide wire tube, 2-imaging tube, 3-balloon, 4-internal imaging probe, 41-transducer, 42-driving shaft, 5-handle, 51-joint and 52-injection hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to the description, fig. 1 is a sectional view of an internal imaging balloon catheter provided by an embodiment of the invention, and the sectional view includes: the device comprises a guide wire tube 1, an imaging tube 2, a balloon 3 and an internal imaging probe 4; the guide wire tube 1 is connected with the imaging tube 2 and is not communicated with the imaging tube, and the channel between the guide wire tube 1 and the imaging tube can be separated by sizing materials without limitation. The balloon 3 is partially sleeved on the peripheral surface of the guide wire tube 1, and the guide wire tube 1 is provided with a part which is not sleeved; the imaging tube 2 is communicated with the inside of the balloon 3 through the tiny cavity channel arranged on the outer surface of the part, which is not sleeved on the wire guide tube 1, an operator can input liquid into the imaging tube 2 to expand the balloon 3, and the expanded balloon 3 can support the narrow working position of the inner imaging balloon catheter so as to move and perform subsequent operation on the inner imaging balloon catheter. The setting of formation of image probe 4 is inside forming image pipe 2 in the aforesaid, and sets up in the one end that deviates from sacculus 3, so set up the scanning of having guaranteed interior formation of image probe 4 survey only need pierce through form image pipe 2 inner walls can. Above-mentioned seal wire pipe 1 offers the seal wire chamber that is used for wearing to establish the seal wire, and wherein one end in above-mentioned seal wire chamber is seted up on seal wire pipe 1 deviates from the terminal surface of formation of image pipe 2, and its other end is seted up on the lateral wall of seal wire pipe 1, and the interlude in seal wire chamber runs through 3 insides of sacculus and rather than the intercommunication for realize the side puncture of seal wire. The guide wire tube 1 and the imaging tube 2 extend in the same direction, so the diameter of the catheter can be set to be very small (less than or equal to 3.3F), and the catheter can reach narrow working positions directly, and meanwhile, because the inner imaging probe 4 is arranged on the outer side of the balloon 3, the scanning detection observation only needs to penetrate through the single-layer tube wall of the imaging tube 2, and the energy loss of scanning is smaller; moreover, the expansion of the balloon 3 does not influence the detection position of the inner imaging probe 4, and the combination of the two improves the accuracy of inner imaging.
When the internal imaging balloon catheter of the present application is applied in PCI (percutaneous coronary intervention) procedures: the seal wire gets into from the seal wire chamber that sets up on guide wire pipe 1 terminal surface to wear out from the lateral wall of guide wire pipe 1, interior formation of image sacculus pipe gets into the target blood vessel along the seal wire, get into sacculus 3 with its full expansion from formation of image pipe 2, and set up the interior imaging probe 4 that sets up in sacculus 3 one side can receive external control system, scan the inside scanning of blood vessel when the sacculus 3 is full of the expansion, also can be with sacculus 3 shrink back, stretch forward interior formation of image sacculus pipe, make interior imaging probe 4 survey in the blood vessel after sacculus 3 expansion.
Under the general condition that the saccule 3 is implemented in the PCI operation, the length is set to be shorter in order to reduce an imaging blind area, and the length of a straight section of the saccule is generally required to be less than or equal to 5 mm.
Further, referring to fig. 2 of the specification, fig. 2 is a schematic structural diagram of an internal imaging probe according to an embodiment of the present invention, including: the above-mentioned internal imaging probe 4 includes: transducer 41 and drive shaft 42; the transducer 41 is mounted on the end of the driving shaft 42 facing the guide tube 1, and can rotate and move along the length direction of the imaging tube 2 along with the driving shaft 42; the detection range of the transducer 41 can be changed according to the movement range of the drive shaft 42.
Further, a handle 5 is arranged at one end, away from the guide wire tube 1, of the imaging tube 2, the handle 5 is used for being connected with an external control system and the internal imaging probe 4, the internal imaging probe 4 is controlled to achieve ultrasonic imaging, and imaging data are fed back to the external system to be observed by an operator.
Further, referring to fig. 3 of the specification, fig. 3 is a schematic view of an external installation of an internal imaging balloon catheter and a handle according to an embodiment of the present invention, including: the above-mentioned handle 5 includes: a joint 51 and an injection hole 52, wherein the joint 51 is used for connecting the driving shaft 42 and transmitting a control signal of rotation and movement to the driving shaft; the injection hole 52 is communicated with the imaging tube 2, so that an operator can inject liquid into the imaging tube 2 and the balloon 3, and the inner imaging probe 4 in the imaging tube 2 is covered by a liquid transmission medium while the balloon 3 is expanded, thereby assisting the operator in completing ultrasonic imaging. For example, in PCI surgery, the liquid can be selected from physiological saline as a medium for ultrasonic imaging, and the risk of damaging a human body is eliminated.
Further, a sealing ring is arranged between the joint 51 and the injection hole 52, and both the joint 51 and the injection hole 52 are communicated with the imaging tube 2, so that the sealing ring is arranged to prevent the injected liquid from seeping out of the joint 51 to affect external equipment.
Furthermore, the internal imaging probe can also be an OCT (optical coherence tomography) probe, and the internal imaging detection realized by the OCT probe does not need to depend on liquid as a conducting medium, so that the complexity of the equipment is simplified.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The internal imaging balloon catheter provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (6)

1. An internal imaging balloon catheter, comprising:
the guide wire tube (1) is provided with a guide wire cavity, and the guide wire cavity is used for penetrating a guide wire;
the imaging tube (2) is arranged at one end of the guide wire tube (1) and extends in the same direction as the guide wire tube (1);
the balloon (3) is partially sleeved on the periphery of the guide wire tube (1) and communicated with the imaging tube (2) to expand the balloon (3);
the internal imaging probe (4) is arranged at one end, deviating from the balloon (3), in the imaging tube (2).
2. The internal imaging balloon catheter as claimed in claim 1, wherein the internal imaging probe (4) comprises: a transducer (41) and a drive shaft (42), the transducer (41) being rotationally movable along the length of the imaging tube (2) following the drive shaft (42).
3. The internal imaging balloon catheter according to claim 2, characterized in that a handle (5) to control the internal imaging probe (4) is connected to the imaging tube (2).
4. The internal imaging balloon catheter according to claim 3, wherein the handle (5) comprises: a connector (51) for connecting the drive shaft (42) and an injection hole (52) for injecting a liquid.
5. The internal imaging balloon catheter according to claim 4, wherein a sealing ring is provided between the joint (51) and the injection hole (52) to prevent the liquid from seeping out.
6. The internal imaging balloon catheter as claimed in claim 3, characterized in that the internal imaging probe (4) is also optionally an OCT probe to enable internal imaging scanning.
CN202111679393.XA 2021-12-31 2021-12-31 Internal imaging balloon catheter Pending CN114225189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111679393.XA CN114225189A (en) 2021-12-31 2021-12-31 Internal imaging balloon catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111679393.XA CN114225189A (en) 2021-12-31 2021-12-31 Internal imaging balloon catheter

Publications (1)

Publication Number Publication Date
CN114225189A true CN114225189A (en) 2022-03-25

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CN202111679393.XA Pending CN114225189A (en) 2021-12-31 2021-12-31 Internal imaging balloon catheter

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117831A (en) * 1990-03-28 1992-06-02 Cardiovascular Imaging Systems, Inc. Vascular catheter having tandem imaging and dilatation components
US5327885A (en) * 1991-10-08 1994-07-12 Griffith James M Combination catheter for invasive probe delivery and balloon dilation
US5833706A (en) * 1991-07-05 1998-11-10 Scimed Life Systems, Inc. Single operator exchange perfusion catheter having a distal catheter shaft section
CN205698866U (en) * 2016-03-28 2016-11-23 袁怀武 A kind of Novel head aortic sac
CN107411858A (en) * 2017-08-09 2017-12-01 天津恒宇医疗科技有限公司 A kind of integrated optics and ultrasonic imaging diagnosis and the stent delivery system of therapeutic action

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117831A (en) * 1990-03-28 1992-06-02 Cardiovascular Imaging Systems, Inc. Vascular catheter having tandem imaging and dilatation components
US5833706A (en) * 1991-07-05 1998-11-10 Scimed Life Systems, Inc. Single operator exchange perfusion catheter having a distal catheter shaft section
US5327885A (en) * 1991-10-08 1994-07-12 Griffith James M Combination catheter for invasive probe delivery and balloon dilation
CN205698866U (en) * 2016-03-28 2016-11-23 袁怀武 A kind of Novel head aortic sac
CN107411858A (en) * 2017-08-09 2017-12-01 天津恒宇医疗科技有限公司 A kind of integrated optics and ultrasonic imaging diagnosis and the stent delivery system of therapeutic action

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