CN115120842A - Controllable blood vessel intervention guiding catheter guided by ultrasound - Google Patents

Controllable blood vessel intervention guiding catheter guided by ultrasound Download PDF

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Publication number
CN115120842A
CN115120842A CN202210848588.0A CN202210848588A CN115120842A CN 115120842 A CN115120842 A CN 115120842A CN 202210848588 A CN202210848588 A CN 202210848588A CN 115120842 A CN115120842 A CN 115120842A
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CN
China
Prior art keywords
soft
catheter
hard
wire
ring
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
CN202210848588.0A
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Chinese (zh)
Inventor
苗天雨
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West China Hospital of Sichuan University
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West China Hospital of Sichuan University
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Application filed by West China Hospital of Sichuan University filed Critical West China Hospital of Sichuan University
Priority to CN202210848588.0A priority Critical patent/CN115120842A/en
Publication of CN115120842A publication Critical patent/CN115120842A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0045Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0067Catheters; Hollow probes characterised by the distal end, e.g. tips
    • A61M25/0068Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • A61M25/0045Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
    • A61M2025/0046Coatings for improving slidability

Abstract

The invention discloses an ultrasonic-guided controllable vascular intervention guide catheter which comprises a soft and hard bending tube and a controller, wherein the left side of the soft and hard bending tube is provided with a head end, the right side of the soft and hard bending tube, which is close to the lower edge, is provided with a catheter inlet, the right side of the soft and hard bending tube, which is positioned above the catheter inlet, is provided with a protective tube, and the upper end of the controller is provided with an operating rod. The invention changes the optical fiber and the optical detection device of the endoscope into an ultrasonic probe by using the structure of the soft endoscope, but the blood vessel is filled with blood, so that the optical observation cannot be carried out, the endoscope, the blood vessel catheter and the intravascular ultrasound are combined to form the intravascular finger guide tube with the controllable head end capable of rotating, thereby facilitating an interventional doctor to clearly know the blood vessel structure near the opening of the catheter, conveniently positioning a target blood vessel, and further accurately and quickly controlling the entering direction of the catheter inlet through the controllable catheter main body to enter the target blood vessel for treatment operation.

Description

Controllable blood vessel intervention guiding catheter guided by ultrasound
Technical Field
The invention relates to the technical field of medical instruments, in particular to an ultrasonic-guided controllable vascular intervention guide catheter.
Background
Blood vessels refer to a series of conduits through which blood flows. Blood vessels are located throughout the body, except for the cornea, hair, nails, dentin, and epithelium. The blood vessels are classified into arterial blood vessels, venous blood vessels and capillary blood vessels according to different structural functions.
The vascular interventional catheter widely used in clinic is generally a simple tubular structure, an interventionalist needs to search for an opening and a bifurcation of a target blood vessel by 2d intraoperative X-ray matched with a contrast medium, and the problems of difficult positioning, poor catheter guidance and incapability of considering both catheter supporting force and selectivity exist. Examples are as follows:
1. for patients with superior mesenteric artery pathological changes, doctors are required to quickly treat the diseases due to the intestinal ischemia tolerance time, but superior mesenteric artery is obliquely opened downwards and is adjacent to the opening of the abdominal trunk, and the superior mesenteric artery can be selected from a conventional femoral artery puncture inlet only by turning at a large angle, and even when the superior selection is carried out, the problems of slipping out, entering the abdominal trunk by mistake due to insufficient supporting force of a catheter or being difficult to select the superior mesenteric artery and the like can occur, so that the treatment is delayed.
2. For patients with splenic artery lesion or pancreatitis bleeding and the like, the blood vessel in the abdominal trunk system has complicated tortuous and high difficulty in over-selection, so that the treatment speed is limited, a large amount of time is required for radiography and over-selection, and the radiation dose of the patients and an interventionalist is obviously increased.
Disclosure of Invention
The invention aims to provide an ultrasonic-guided controllable vessel intervention guide catheter, which aims to solve the problems that the clinically widely used vessel intervention catheter proposed by the background technology is generally a simple tubular structure, an interventionalist needs to search for an opening and a bifurcation of a target vessel through 2d intraoperative X-ray matched contrast medium, positioning is difficult, the catheter guidance performance is poor, and the catheter supporting force and selectivity cannot be taken into consideration.
In order to achieve the purpose, the invention provides the following technical scheme: the ultrasound-guided controllable blood vessel intervention guide catheter comprises a soft and hard bending pipe and a controller, wherein a head end is arranged on the left side of the soft and hard bending pipe, a catheter inlet is arranged on the right side of the soft and hard bending pipe close to a lower edge position, a protective pipe is arranged on the right side of the soft and hard bending pipe and above the catheter inlet, an operating rod is installed at the upper end of the controller, an ultrasound data line is arranged at the lower end of the controller, an ultrasound probe is installed on the left side of the head end close to an upper edge position in a penetrating manner, a catheter outlet is arranged on the left side of the head end and below the ultrasound probe, a signal transmission module is arranged at the bottom end inside the controller, the left side of the signal transmission module is electrically connected with one end of the ultrasound probe, the right side end of the signal transmission module is electrically connected with one end of the ultrasound data line, and the lower end of the ultrasound data line is electrically connected with an external computer, a catheter main body is arranged in the soft and hard bending pipe close to the bottom end, one end of the catheter inlet penetrates through the right side end of the soft and hard bending pipe and is connected with the right side end of the catheter main body, the right side end of the catheter outlet penetrates through the left side end of the soft and hard bending pipe and is connected with the left side end of the catheter main body, a first control wire is installed on the right side of the lower angulation wire, a second control wire is installed on the right side of the upper angulation wire, a bidirectional motor is arranged in the controller, and a rotating wheel is movably installed at the output end of the bidirectional motor;
the inner part of the soft and hard bending pipe is provided with a left pivot pin, a right pivot pin is arranged in the soft and hard bending pipe and located on the right side of the left pivot pin, a first ring is arranged in the soft and hard bending pipe, one end of the first ring is provided with a second ring, a plurality of groups of the first ring and the second ring are arranged in the soft and hard bending pipe, one end of the first ring is movably connected with one end of the left pivot pin, one end of the second ring is movably connected with one end of the right pivot pin, a lower angle wire is arranged in the soft and hard bending pipe close to the bottom end, and an upper angle wire is arranged in the soft and hard bending pipe close to the top end.
Preferably, go up the pivot pin, a plurality of groups are installed to the one end of angulation silk down equal movable mounting of crossing of a ring sum No. two rings has pivot pin one, the one end of going up the angulation silk is provided with down the pivot pin, a plurality of groups the lower extreme of a ring sum No. two rings all is fixed mutually with the one end of angulation silk down, a plurality of groups the upper end of a ring sum No. two rings all is fixed mutually with the one end of last angulation silk, the inside of soft or hard bending tube is close to left side department and is provided with the fixed head, the inside of soft or hard bending tube is located the left side end and is provided with the installation head, the one end movable mounting of right pivot pin is in the one end of fixed head, the one end movable mounting of left side pivot pin is in the one end of installation head.
Preferably, the one end of a control line and No. two control lines is connected, the string of beads is all installed to a control line and No. two control line lateral walls, a plurality of groups distance between the string of beads agrees with the outstanding end of runner, just the one end of a control line and No. two control lines all sets up the lateral wall at the runner.
Preferably, the upper end of the controller is provided with an operating rod, and the top end inside the controller is provided with a control module.
Preferably, one end of the control module is electrically connected with one end of the operating rod, and the other end of the control module is electrically connected with the bidirectional motor.
Preferably, the inside of controller is close to top and bottom position department and all is provided with in the same direction as the guide holder, a control line and No. two control lines all are located the centre of two sets of in the same direction as the guide holder.
Preferably, the left side end of the controller is fixed with one end of the protective tube, and one end of the lower angled wire and one end of the upper angled wire are both arranged inside the protective tube.
Preferably, the diameters of the soft and hard bent pipes and the head end are the same, and the outer side walls of the soft and hard bent pipes and the head end are covered with hydrophilic coatings.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, by using the structure of the soft endoscope, but because blood is filled in the blood vessel and optical observation cannot be carried out, the optical fiber and the optical detection equipment of the endoscope are changed into the ultrasonic probe, the endoscope, the blood vessel catheter and intravascular ultrasound are combined to form the intravascular finger guide tube with the controllable head end capable of rotating, so that an interventional doctor can conveniently and clearly know the blood vessel structure near the opening of the catheter, a target blood vessel is conveniently positioned, and the entering direction of the catheter inlet is further accurately and quickly controlled through the controllable catheter main body to enter the target blood vessel for treatment operation.
2. According to the invention, an interventional doctor can conveniently and clearly know the vascular structure near the opening of the catheter and locate the target blood vessel, and further accurately and quickly control the entering direction of the catheter inlet through the controllable catheter main body to enter the target blood vessel for treatment operation, so that the operation complexity, the operation time and the possible complication rate are remarkably reduced, and the radiation quantity of a patient and the interventional doctor is reduced.
Drawings
FIG. 1 is a perspective view of an ultrasound-guided controllable vessel intervention guiding catheter of the present invention;
FIG. 2 is a front partial half-section structural schematic view of the ultrasound-guided controllable vessel intervention guiding catheter of the present invention;
FIG. 3 is an enlarged view of a portion A of the controllable vessel intervention guiding catheter of the invention;
FIG. 4 is a schematic diagram of a half-section structure of a controller of the ultrasound-guided controllable vascular intervention guiding catheter of the present invention;
FIG. 5 is a schematic view of a portion B of the controllable vascular intervention guiding catheter guided by ultrasound according to the present invention, enlarged partially;
FIG. 6 is a right side structural view of the ultrasound-guided controllable vessel intervention guiding catheter of the present invention;
fig. 7 is a left side structural schematic view of the ultrasound-guided controllable vascular intervention guiding catheter of the invention.
In the figure:
1. a soft and hard bending tube; 2. a head end; 3. a conduit inlet; 4. a protective tube; 5. a controller; 6. an operating lever; 7. an ultrasonic data line; 8. an ultrasonic probe; 9. a conduit outlet; 10. a catheter body; 11. a left pivot pin; 12. a right pivot pin; 13. a first ring; 14. ring II; 15. a lower angled wire; 16. forming an upper angle wire; 17. rotating the shaft pin; 19. a first pivot pin; 20. rotating a shaft pin downwards; 21. a guiding seat; 22. a control module; 23. a first control line; 24. a second control line; 25. a bi-directional motor; 26. a rotating wheel; 27. stringing beads; 28. a signal transmission module; 29. a fixed head; 30. and (5) mounting the head.
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 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.
Referring to FIGS. 1-7: an ultrasonic-guided controllable blood vessel intervention guide catheter comprises a soft and hard bending pipe 1 and a controller 5, wherein a head end 2 is arranged on the left side of the soft and hard bending pipe 1, a catheter inlet 3 is arranged on the right side of the soft and hard bending pipe 1 close to the lower edge position, a protective pipe 4 is arranged on the right side of the soft and hard bending pipe 1 and above the catheter inlet 3, an operating rod 6 is arranged at the upper end of the controller 5, an ultrasonic data line 7 is arranged at the lower end of the controller 5, an ultrasonic probe 8 is arranged on the left side of the head end 2 close to the upper edge position in a penetrating manner, a catheter outlet 9 is arranged on the left side of the head end 2 and below the ultrasonic probe 8, a signal transmission module 28 is arranged at the bottom end inside the controller 5, the left side of the signal transmission module 28 is electrically connected with one end of the ultrasonic probe 8, and the right end of the signal transmission module 28 is electrically connected with one end of the ultrasonic data line 7, the lower end of the ultrasonic data wire 7 is electrically connected with an external computer, a catheter main body 10 is arranged in the soft and hard bent pipe 1 close to the bottom end, one end of the catheter inlet 3 penetrates through the right side end of the soft and hard bent pipe 1 and is connected with the right side end of the catheter main body 10, the right side end of the catheter outlet 9 penetrates through the left side end of the soft and hard bent pipe 1 and is connected with the left side end of the catheter main body 10, an interventional doctor can conveniently and clearly know the vascular structure near the catheter opening and locate a target blood vessel by arranging the ultrasonic probe 8, the entering direction of the catheter inlet 3 is further accurately and rapidly controlled by the controllable catheter main body 10, the target blood vessel enters for treatment operation, the operation complexity, the operation time and the possible complication incidence rate are remarkably reduced, and the radiation quantity received by the patient and the interventional doctor is reduced;
a left pivot pin 11 is arranged inside the soft and hard bending pipe 1, a right pivot pin 12 is arranged inside the soft and hard bending pipe 1 and positioned at the right side of the left pivot pin 11, a first ring 13 is arranged inside the soft and hard bending pipe 1, a second ring 14 is arranged at one end of the first ring 13, a plurality of groups of the first rings 13 and the second rings 14 are arranged inside the soft and hard bending pipe 1, one end of the group of the first rings 13 is movably connected with one end of the left pivot pin 11, one end of the group of the second rings 14 is movably connected with one end of the right pivot pin 12, a lower angulation wire 15 is arranged inside the soft and hard bending pipe 1 and close to the bottom end, an upper angulation wire 16 is arranged inside the soft and hard bending pipe 1 and close to the top end, a first control wire 23 is arranged on the right side of the lower angulation wire 15, a second control wire 24 is arranged on the right side of the upper angulation wire 16, a bidirectional motor 25 is arranged inside the controller 5, and a rotating wheel 26 is movably arranged at the output end of the bidirectional motor 25, by starting the bidirectional motor 25, the two-way motor 26 is driven to rotate clockwise, and the two sets of beads 27 are matched with the rotating wheel 26, the two sets of beads 27 drive the first control wire 23 and the second control wire 24 to move, so that the first control wire 23 drives the lower angulation wire 15 to move in the protection pipe 4 towards one end of the second control wire 24 and the first control wire 23, the lower angulation wire 15 drives the two sets of lower rotating shaft pins 20 and the lower ends of the two sets of first rings 13 and the two sets of second rings 14 to move towards the right, the lower ends of the two sets of first rings 13 and the two sets of second rings 14 move, the middle of the two sets of second rings 14 moves in the middle of one end of the first ring 13 through the first pivot pin 19, and when the lower ends of the first ring 13 and the two sets of second rings 14 move towards the right, the upper ends of the first ring 13 and the two sets of second rings 14 drive the upper angulation wire 16 to move towards the left, and the right side of the two sets of the second control wire 24 to move, and then can contract to the second control wire 24, make the left and right ends of lower angulation silk 15 and upper angulation silk 16 drive the installation head 30 and fixed head 29 to go on separately, and installation head 30 and fixed head 29 will drive the soft and hard bending tube 1 to bend, likewise, through making its two-way motor 25 rotate counterclockwise, can make the soft and hard bending tube 1 bend to another end, can drive the head end 2 to adjust to the soft and hard bending tube 1, thus facilitate to adjust the crooked degree of the soft and hard bending tube 1, through the structure to borrow soft endoscope, but because the blood is full of in the blood vessel, can't carry on the optical observation, so change optic fibre and optical detection equipment of the endoscope into the ultrasonic probe 8, make endoscope, vascular catheter and intravascular guiding tube that the head 2 can be controlled to rotate after the ultrasonic is combined, in order to help the doctor to know the vascular structure near the catheter opening clearly, the target blood vessel is conveniently positioned, and the entering direction of the catheter inlet 3 is further accurately and quickly controlled through the controllable catheter main body 10, so that the target blood vessel is entered for treatment operation.
As shown in fig. 3, an upper pivot pin 17 is mounted at one end of the lower angled wire 15, pivot pins 19 are movably mounted at intersections of a plurality of groups of the first rings 13 and the second rings 14, a lower pivot pin 20 is disposed at one end of the upper angled wire 16, lower ends of the plurality of groups of the first rings 13 and the second rings 14 are fixed to one end of the lower angled wire 15, upper ends of the plurality of groups of the first rings 13 and the second rings 14 are fixed to one end of the upper angled wire 16, a fixing head 29 is disposed inside the soft and hard bent tube 1 near the left end, a mounting head 30 is disposed inside the soft and hard bent tube 1 at the left end, one end of the right pivot pin 12 is movably mounted at one end of the fixing head 29, one end of the left pivot pin 11 is movably mounted at one end of the mounting head 30, and through cooperation of the lower angled wire 15, the upper angled wire 16 and the pivot pins 19, one end of the lower angled wire 15 can be moved at one end of the upper angled wire 16 under the action of the pivot pins 19, and the engagement of the fixed head 29 with the right pivot pin 12 enables the right pivot pin 12.
As shown in fig. 5, one end of the first control line 23 is connected with one end of the second control line 24, beads 27 are mounted on the outer side walls of the first control line 23 and the second control line 24, the distance between a plurality of groups of beads 27 is matched with the protruding end of the rotating wheel 26, one end of the first control line 23 and one end of the second control line 24 are arranged on the outer side wall of the rotating wheel 26, and the rotating wheel 26 is matched with the first control line 23 and the second control line 24, so that the rotating wheel 26 can drive the first control line 23 and the second control line 24 to move through the plurality of groups of beads 27 when rotating.
As shown in fig. 4, the operation lever 6 is provided at the upper end of the controller 5, the control module 22 is attached to the top end inside the controller 5, and the operation lever 6 is provided to operate the internal structure of the controller 5.
As shown in fig. 4, one end of the control module 22 is electrically connected to one end of the operation rod 6, the other end of the control module 22 is electrically connected to the bidirectional motor 25, and the operation rod 6 can control the control module 22 by the cooperation of the control module 22 and the operation rod 6.
As shown in fig. 4 and 5, the inside of the controller 5 is provided with the guiding seats 21 near the top and bottom positions, the first control line 23 and the second control line 24 are both located in the middle of the two sets of guiding seats 21, the first control line 23 and the second control line 24 can be guided by the guiding seats 21, and the tension of the first control line 23 and the second control line 24 can be controlled.
As shown in fig. 4, the left end of the controller 5 is fixed to one end of the protection tube 4, and both ends of the lower angled wire 15 and the upper angled wire 16 are disposed inside the protection tube 4, and the protection tube 4 is disposed to protect the lower angled wire 15 and the upper angled wire 16.
As shown in fig. 1, 2, 6 and 7, the diameters of the soft and hard bent tube 1 and the head end 2 are the same, and the outer side walls of the soft and hard bent tube 1 and the head end 2 are covered with hydrophilic coatings, since the device is used for intravascular operation, the expanded head end 2 will cause the wound required for entering the blood vessel to become large, and the tubular part with smaller diameter cannot be wrapped, thereby causing massive bleeding during operation.
The working principle of the invention is as follows: in use, firstly, by operating the operating rod 6, the operating rod 6 will control the two-way motor 25, when the two-way motor 25 is running, the two-way motor 25 will drive the rotating wheel 26 to rotate clockwise, and under the coordination of the sets of beads 27 and the rotating wheel 26, the sets of beads 27 will drive the first control wire 23 and the second control wire 24 to move, so that the first control wire 23 will drive the lower angle wire 15 to move inside the protection tube 4 towards one end of the first control wire 23 of the second control wire 24, the lower angle wire 15 will drive the sets of lower shaft pins 20 and the lower ends of the sets of the first ring 13 and the second ring 14 to move towards the right side, when the lower ends of the sets of the first ring 13 and the second ring 14 move, the middle of the sets of the second ring 14 will move at the middle of one end of the first ring 13 through the pivot pin one 19, and when the lower ends of the first ring 13 and the second ring 14 move towards the right, the upper ends of the first ring 13 and the second ring 14 drive the upper angled filament 16 to move to the left, the right side of the upper angled filament 16 drives the second control line 24 to move, and then the second control line 24 can be contracted, so that the left end and the right end of the lower angled filament 15 and the upper angled filament 16 respectively drive the mounting head 30 and the fixing head 29 to carry out, and the mounting head 30 and the fixing head 29 drive the soft and hard bending tube 1 to bend, and similarly, the soft and hard bending tube 1 can be bent to the other end by rotating the bidirectional motor 25 anticlockwise, the head end 2 can be driven by the soft and hard bending tube 1 to adjust, so that the bending degree of the soft and hard bending tube 1 can be conveniently adjusted, and through the structure of the soft endoscope, but because blood is filled in a blood vessel, optical observation cannot be carried out, the optical fiber and the optical detection equipment of the endoscope are changed into the ultrasonic probe 8, an endoscope, a vascular catheter and intravascular ultrasound are combined to form the intravascular guiding catheter with a controllable head end 2 capable of rotating, so that an interventionalist can conveniently and clearly know the vascular structure near the opening of the catheter and conveniently locate a target blood vessel, the entering direction of a catheter inlet 3 is further accurately and quickly controlled through a controllable catheter main body 10 to enter the target blood vessel for treatment operation, finally, the interventionalist can conveniently and clearly know the vascular structure near the opening of the catheter and locate the target blood vessel through an ultrasonic probe 8, the entering direction of the catheter inlet 3 is further accurately and quickly controlled through the controllable catheter main body 10, a guide wire enters the inside of the catheter main body 10 from the catheter inlet 3 and is led out from a catheter outlet 9 to enter the target blood vessel for treatment operation, the operation complexity, the operation time and the possible complication occurrence rate are obviously reduced, reducing the amount of radiation to which the patient and interventional physician are exposed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (8)

1. Controllable formula vascular intervention of supersound guide guides pipe, including soft or hard crooked pipe (1) and controller (5), its characterized in that: the left side of the soft and hard bending pipe (1) is provided with a head end (2), the right side of the soft and hard bending pipe (1) is provided with a conduit inlet (3) close to the lower edge position, the right side of the soft and hard bending pipe (1) is provided with a protective pipe (4) above the conduit inlet (3), the upper end of the controller (5) is provided with an operating rod (6), the lower end of the controller (5) is provided with an ultrasonic data line (7), the left side of the head end (2) is provided with an ultrasonic probe (8) close to the upper edge position in a penetrating way, the left side of the head end (2) is provided with a conduit outlet (9) below the ultrasonic probe (8), the bottom inside of the controller (5) is provided with a signal transmission module (28), the left side of the signal transmission module (28) is electrically connected with one end of the ultrasonic probe (8), the right side end of the signal transmission module (28) is electrically connected with one end of an ultrasonic data wire (7), the lower end of the ultrasonic data wire (7) is electrically connected with an external computer, a catheter main body (10) is arranged in the soft and hard bent tube (1) close to the bottom end, one end of the catheter inlet (3) penetrates through the right side end of the soft and hard bent tube (1) to be connected with the right side end of the catheter main body (10), and the right side end of the catheter outlet (9) penetrates through the left side end of the soft and hard bent tube (1) to be connected with the left side end of the catheter main body (10);
a left pivot pin (11) is arranged inside the soft and hard bent pipe (1), a right pivot pin (12) is arranged inside the soft and hard bent pipe (1) and located on the right side of the left pivot pin (11), a first ring (13) is arranged inside the soft and hard bent pipe (1), a second ring (14) is arranged at one end of the first ring (13), a plurality of groups of the first ring (13) and the second ring (14) are arranged inside the soft and hard bent pipe (1), one end of the first ring (13) is movably connected with one end of the left pivot pin (11), one end of the second ring (14) is movably connected with one end of the right pivot pin (12), a lower angled wire (15) is arranged inside the soft and hard bent pipe (1) close to the bottom end, and an upper angled wire (16) is arranged inside the soft and hard bent pipe (1) close to the top end, a first control line (23) is installed on the right side of the lower angulation wire (15), a second control line (24) is installed on the right side of the upper angulation wire (16), a bidirectional motor (25) is arranged inside the controller (5), and a rotating wheel (26) is movably installed at the output end of the bidirectional motor (25).
2. The ultrasound-guided controllable vascular intervention guidance catheter of claim 1, wherein: one end of the lower angulation wire (15) is provided with an upper rotating shaft pin (17), the crossing parts of a plurality of groups of the first rings (13) and the second rings (14) are respectively and movably provided with a first pivot pin (19), one end of the upper angular wire (16) is provided with a lower rotating shaft pin (20), the lower ends of a plurality of groups of the first ring (13) and the second ring (14) are fixed with one end of the lower angular wire (15), the upper ends of a plurality of groups of the first ring (13) and the second ring (14) are fixed with one end of the upper angular wire (16), a fixed head (29) is arranged at the end of the interior of the soft and hard bending pipe (1) close to the left side, the left end of the inside of the soft and hard bent pipe (1) is provided with a mounting head (30), one end of the right pivot pin (12) is movably arranged at one end of the fixed head (29), one end of the left pivot pin (11) is movably arranged at one end of the mounting head (30).
3. The ultrasound-guided controllable vascular intervention guidance catheter of claim 2, wherein: the one end of a control line (23) and No. two control lines (24) is connected, a string of beads (27), a plurality of groups are all installed to a control line (23) and No. two control line (24) lateral walls distance between the string of beads (27) agrees with the protruding end of runner (26), just the one end of a control line (23) and No. two control lines (24) all sets up the lateral wall at runner (26).
4. The ultrasound-guided controllable vascular intervention guidance catheter of claim 2, wherein: the upper end of controller (5) is provided with action bars (6), control module (22) is installed on the inside top of controller (5).
5. The ultrasound-guided controllable vascular intervention guidance catheter of claim 4, wherein: one end of the control module (22) is electrically connected with one end of the operating rod (6), and the other end of the control module (22) is electrically connected with the bidirectional motor (25).
6. The ultrasound-guided controllable vascular intervention guidance catheter of claim 3, wherein: the inside of controller (5) is close to top and bottom position department and all is provided with in the same direction as guide seat (21), control line (23) and No. two control lines (24) all are located the centre of two sets of in the same direction as guide seat (21).
7. The ultrasound-guided controllable vascular intervention guidance catheter of claim 2, wherein: the left side end of the controller (5) is fixed with one end of the protective tube (4), and one ends of the lower angled wire (15) and the upper angled wire (16) are arranged inside the protective tube (4).
8. The ultrasound-guided controllable vascular intervention guidance catheter of claim 5, wherein: the diameters of the soft and hard bent pipe (1) and the head end (2) are the same, and the outer side walls of the soft and hard bent pipe (1) and the head end (2) are covered with hydrophilic coatings.
CN202210848588.0A 2022-07-19 2022-07-19 Controllable blood vessel intervention guiding catheter guided by ultrasound Pending CN115120842A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195968A (en) * 1990-02-02 1993-03-23 Ingemar Lundquist Catheter steering mechanism
JP2001258826A (en) * 2000-03-21 2001-09-25 Fuji Photo Optical Co Ltd Endoscopic control cable
US20090093726A1 (en) * 2007-10-04 2009-04-09 Olympus Medical Systems Corp. Cardiovascular ultrasound probe and ultrasound image system
CN104068897A (en) * 2014-06-17 2014-10-01 汝磊生 Intravascular ultrasound double-cavity micro-catheter
CN208852216U (en) * 2018-06-27 2019-05-14 杭州唯强医疗科技有限公司 Catheter sheath and Stent assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195968A (en) * 1990-02-02 1993-03-23 Ingemar Lundquist Catheter steering mechanism
JP2001258826A (en) * 2000-03-21 2001-09-25 Fuji Photo Optical Co Ltd Endoscopic control cable
US20090093726A1 (en) * 2007-10-04 2009-04-09 Olympus Medical Systems Corp. Cardiovascular ultrasound probe and ultrasound image system
CN104068897A (en) * 2014-06-17 2014-10-01 汝磊生 Intravascular ultrasound double-cavity micro-catheter
CN208852216U (en) * 2018-06-27 2019-05-14 杭州唯强医疗科技有限公司 Catheter sheath and Stent assembly

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Application publication date: 20220930