CN114534071B - Balloon dilatation catheter device - Google Patents
Balloon dilatation catheter device Download PDFInfo
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- CN114534071B CN114534071B CN202210418837.2A CN202210418837A CN114534071B CN 114534071 B CN114534071 B CN 114534071B CN 202210418837 A CN202210418837 A CN 202210418837A CN 114534071 B CN114534071 B CN 114534071B
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- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000010339 dilation Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 239000003550 marker Substances 0.000 claims 1
- 210000004204 blood vessel Anatomy 0.000 abstract description 20
- 208000031481 Pathologic Constriction Diseases 0.000 abstract description 3
- 210000001367 artery Anatomy 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000036262 stenosis Effects 0.000 abstract description 3
- 208000037804 stenosis Diseases 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 210000005077 saccule Anatomy 0.000 description 3
- 230000000916 dilatatory effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 206010060965 Arterial stenosis Diseases 0.000 description 1
- 206010047141 Vasodilatation Diseases 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 210000002254 renal artery Anatomy 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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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
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
-
- 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
- A61M25/10183—Compressible bulbs
-
- 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
- A61M25/1025—Connections between catheter tubes and inflation tubes
-
- 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
- A61M25/104—Balloon catheters used for angioplasty
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Vascular Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention belongs to the technical field of artery stenosis expansion, and particularly relates to a balloon dilatation catheter device which comprises a joint, an inner tube, an outer tube and a balloon; the method is characterized in that: the balloon is sleeved in the middle of the inner tube; the outer pipe is sleeved on the inner pipe; the outer pipe is arranged at the end part of the joint and is connected with the joint; the outer tube comprises a thin tube and a thick tube; the thick pipe is fixed at the left end of the thin pipe; a thin tube is sleeved in the middle of the inner tube; through being equipped with the elastic support pole, the elastic support pole can be when the sacculus is inside to fill sufficient liquid, and the elastic support pole can be because of under self elastic effect, expand in the sacculus inside, support between sacculus and inner tube for the sacculus is when expanding blood vessel, and the state of sacculus on the inner tube is more stable, reduces the problem that the sacculus appears squinting on the inner tube.
Description
Technical Field
The invention belongs to the technical field of expansion of an arterial stenosis part, and particularly relates to a balloon dilatation catheter device.
Background
Originally, the traditional Chinese medicine is mainly used for limb blood vessels, is expanded to internal arteries such as renal arteries and coronary arteries, and is developed from the arteries to veins, and is used for treating the stenosis of the vena cava by expanding, so that the stenosis or the occlusion of an artificial blood vessel and a transplanted blood vessel can be treated.
One chinese patent publication No. CN110123489A discloses an expanding balloon and a balloon-expandable catheter, which contribute to ensuring the balloon-expandable valve effect and also reduce the structural complexity of the balloon-expandable catheter and ensure the permeability of the catheter. The expansion balloon comprises a balloon body with a middle channel and a valve membrane arranged on the middle channel, wherein the valve membrane contracts or expands after being stressed so as to realize one-way conduction of the middle channel.
When the filling liquid is injected into the balloon inside, the balloon is expanded to support the blood vessel inside, the entered blood vessel is expanded, and in the long-time observation in use, the blood vessel is expanded by the balloon expansion, so that the problem that the balloon is easy to deviate in the middle of the inner tube in the process of balloon expansion due to the fact that the whole body of the balloon supporting the blood vessel is continuously stressed is found, and the support expansion of the balloon to the blood vessel is unstable.
To this end, the present invention provides a balloon dilation catheter device.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a balloon dilatation catheter device, which comprises a joint, an inner tube, an outer tube and a balloon; the method is characterized in that: the balloon is sleeved in the middle of the inner tube; the outer pipe is sleeved on the inner pipe; the outer pipe is arranged at the end part of the joint and is connected with the joint; the end part of the outer pipe connected with the joint extends into the joint; the outer tube comprises a thin tube and a thick tube; the thick pipe is fixed at the left end of the thin pipe; a thin tube is sleeved in the middle of the inner tube; the thin tube is communicated with the end part of the thick tube; the middle part of the inner pipe is sleeved with two marks; the mark is arranged inside the balloon; the end part of the saccule is communicated with the other end of the thin tube; the right end of the thin tube is fixedly connected with the balloon, and the left end of the thick tube extends into the joint; a second fixing ring is sleeved on the end part of the sacculus, which is far away from the thin tube; an elastic rope is connected between the balloon and the second fixing ring; the middle part of the thin tube is provided with a fixing device; an elastic supporting rod is fixedly connected inside the saccule; the end part of the elastic support rod is arranged towards the thin tube; when the inflatable balloon is used, filling liquid is filled into the balloon, so that the balloon is inflated inside a blood vessel to expand the blood vessel, the elastic support rod is unfolded inside the balloon under the action of self elasticity and supported between the balloon and the inner tube, the state of the balloon on the inner tube is more stable when the balloon expands the blood vessel, and the problem of deviation of the balloon on the inner tube is solved.
Furthermore, the middle part of the elastic support rod is provided with an elastic limiting piece; the elastic support rod is connected with the elastic limiting sheet through an elastic support seat; the elastic support rod is supported by the elastic limiting piece arranged in the middle of the elastic support rod, when the elastic support rod is unfolded inside the balloon, the end part of the elastic limiting piece can be pushed against the mark in the middle of the inner tube, so that when the elastic support rod is supported inside the balloon, the problem that the end part of the elastic support rod slides on the inner tube is solved, and the stability of the elastic support rod for supporting the balloon is further improved.
Furthermore, a through hole is formed in the middle of the elastic supporting rod; the middle part of the elastic limiting piece is connected with an elastic guide rope; the other end of the elastic guide rope penetrates through the through hole and extends to a position between the balloon and the inner tube; through being equipped with the elasticity guide rope at the spacing piece middle part of elasticity, can fill when filling into sufficient liquid to sacculus inside, sufficient liquid can withstand the elasticity guide rope, will push up inside the sacculus, make the spacing piece tip of elasticity can be normal to withstand to mark, simultaneously when the sufficient liquid of sacculus inside is discharged, the elasticity guide rope can follow sufficient liquid and flow simultaneously, and then drive the elasticity guide rope, the spacing piece of elasticity can be pulled to the elasticity guide rope this moment, make the spacing piece tip of elasticity with mark the break away from the contact, the elastic support pole can normally laminate on the sacculus inside wall this moment, reduce because of the spacing piece of elasticity withstands the unable normal problem of laminating on the sacculus inside wall of the elasticity bracing piece that marks and lead to.
Furthermore, a limiting ball is fixedly connected to the middle of the elastic guide rope; the limiting balls are provided with a plurality of groups on the elastic guide rope; the middle part of the elastic guide rope is fixedly connected with a flexible brush; the flexible brush is provided with a plurality of groups on the elastic guide rope; through being equipped with spacing ball of multiunit and flexible brush at elasticity guide rope middle part, can make the elasticity guide rope can be more smooth follow sufficient liquid flow, promote the power of dragging of elasticity guide rope to the spacing piece of elasticity, reduce the spacing piece of elasticity because of the spacing piece of unable pulling elasticity that the elasticity guide rope pulling force undersize leads to the problem of the spacing piece of elasticity.
Furthermore, an elastic metal wire is connected between the inner side wall of the balloon and the middle part of the elastic guide rope; can make the stable port department that is in the sufficient liquid of sacculus business turn over of elasticity guide rope, promote the stability of elasticity guide rope to the spacing piece control of elasticity.
Further, the fixing device comprises a connecting rod, a first fixing ring, an elastic rope and a rubber rod; a plurality of rubber rods are fixed on the outer part of the balloon in an annular and equidistant manner; the end part of each rubber rod close to the thin tube is connected with an elastic rope; the end part of the elastic rope is connected with a first fixing ring; the side wall of the first fixing ring is connected with a connecting rod; the end part of the connecting rod is connected with the thick pipe; when filling liquid is injected into the balloon through the outer tube, the balloon is expanded to push the rubber rod to move outwards, the elastic rope is driven to stretch, and the elastic rope is bonded and fixed with the rubber rod, so that the elastic rope generates elastic force to stretch in the process of balloon expansion, the balloon is prevented from being bent in the expansion process, the blood vessel is not expanded in place, and the blood vessel is better expanded.
Further, connect and annotate the liquid pipe including seal wire poling and slope, the fixed slope in seal wire poling upper end is annotated the liquid pipe, and the seal wire poling communicates with each other with the inner tube is inside, and the slope is annotated the liquid pipe and is communicated with each other with the outer tube is inside, and the injection syringe that the suction has sufficient liquid is annotated the liquid pipe with the slope and is connected to annotate liquid intraductal injection filling liquid to the slope, make sufficient liquid enter into the sacculus along the outer tube inside.
Further, the sealing element is fixed to the left wall in the joint and installed at the outer annular end of the inner pipe, the sealing element is convenient to seal a gap between the joint and the inner pipe, and filling liquid injected from the joint is prevented from being discharged from the gap between the joint and the inner pipe.
Furthermore, the right position of the annular inner wall of the joint is bonded with the annular outer end of the outer pipe, so that a gap between the joint and the outer pipe is conveniently sealed, and the leakage of filling liquid is avoided.
Further, the inner part of the inner tube is processed into a hollow structure, and the hollow inner tube is sleeved on the guide wire and moves along the guide wire.
The invention has the following beneficial effects:
according to the balloon dilatation catheter device, the elastic supporting rods are arranged, when the balloon is filled with filling liquid, the elastic supporting rods can be unfolded inside the balloon under the action of elasticity of the elastic supporting rods and are supported between the balloon and the inner tube, so that when the balloon is used for dilating a blood vessel, the state of the balloon on the inner tube is more stable, and the problem that the balloon deviates from the inner tube is solved.
According to the balloon dilatation catheter device, the elastic support rod is supported by the elastic limiting sheet arranged in the middle of the elastic support rod, when the elastic support rod is unfolded inside the balloon, the end part of the elastic limiting sheet can be propped against the mark in the middle of the inner tube, so that when the elastic support rod is supported inside the balloon, the problem that the end part of the elastic support rod slides on the inner tube is solved, and the stability of the elastic support rod for supporting the balloon is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of a balloon in the present invention;
FIG. 2 is a partial structural view of the elastic support rod of the present invention;
FIG. 3 is a partial schematic view of the elastic guide cord of the present invention;
FIG. 4 is a schematic structural view of a balloon dilation catheter device of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4 of a balloon dilation catheter device of the present invention;
FIG. 6 is a right side view of FIG. 1 of a balloon dilation catheter device of the present invention;
FIG. 7 is an enlarged view of a portion A of FIG. 4 of a balloon dilation catheter device of the present invention;
in the figure: 1. a joint; 2. a seal member; 3. an inner tube; 4. an outer tube; 5. a connecting rod; 6. a first retaining ring; 7. a balloon; 8. an elastic cord; 9. a rubber rod; 10. a second retaining ring; 31. marking; 41. a thin tube; 42. a thick pipe; 17. an elastic support bar; 18. an elastic limiting sheet; 181. an elastic supporting seat; 19. a through hole; 191. an elastic guide cord; 192. a limiting ball; 193. a flexible brush; 194. an elastic wire.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example one
As shown in fig. 1 to 3, a balloon dilatation catheter device according to an embodiment of the present invention includes a joint 1, an inner tube 3, an outer tube 4, and a balloon 7; the method is characterized in that: the balloon 7 is sleeved in the middle of the inner tube 3; the outer pipe 4 is sleeved on the inner pipe 3; the outer pipe 4 is arranged at the end part of the joint 1 and is connected with the joint 1; the end part of the outer pipe 4 connected with the joint 1 extends to the inside of the joint 1; the outer tube 4 comprises a thin tube 41 and a thick tube 42; the thick tube 42 is fixed at the left end of the thin tube 41; a thin tube 41 is sleeved in the middle of the inner tube 3; the thin tube 41 is communicated with the end part of the thick tube 42; the middle part of the inner pipe 3 is sleeved with two marks 31; said indication 31 is arranged inside the balloon 7; the end part of the saccule 7 is communicated with the other end of the thin tube 41; the right end of the thin tube 41 is fixedly connected with the balloon 7, and the left end of the thick tube 42 extends into the joint 1; the end part of the sacculus 7 far away from the tubule 41 is sleeved with a second fixing ring 10; an elastic rope 8 is connected between the balloon 7 and the second fixing ring 10; the middle part of the thin tube 41 is provided with a fixing device; an elastic support rod 17 is fixedly connected inside the balloon 7; the end part of the elastic support rod 17 is arranged towards the thin tube 41; when the blood vessel dilating balloon 7 is used, filling liquid is filled into the balloon 7, so that the balloon 7 is inflated inside the blood vessel to dilate the blood vessel, the elastic support rod 17 is unfolded inside the balloon 7 under the action of elasticity of the elastic support rod and is supported between the balloon 7 and the inner tube 3, the state of the balloon 7 on the inner tube 3 is more stable when the balloon 7 dilates the blood vessel, and the problem of deviation of the balloon 7 on the inner tube 3 is solved.
The middle part of the elastic support rod 17 is provided with an elastic limiting piece 18; the elastic support rod 17 is connected with the elastic limiting sheet 18 through an elastic support seat 181; the elastic support rod 17 is supported by the elastic limiting piece 18 arranged in the middle of the elastic support rod 17, when the elastic support rod 17 is unfolded inside the balloon 7, the end part of the elastic limiting piece 18 can be propped against the mark 31 in the middle of the inner tube 3, so that when the elastic support rod 17 is supported inside the balloon 7, the problem that the end part of the elastic support rod 17 slides on the inner tube 3 is solved, and the stability of the elastic support rod 17 for supporting the balloon 7 is further improved.
The middle part of the elastic supporting rod 17 is provided with a through hole 19; the middle part of the elastic limiting sheet 18 is connected with an elastic guide rope 191; the other end of the elastic guide rope 191 passes through the through hole 19 and extends to a position between the balloon 7 and the inner tube 3; through being equipped with elasticity guide rope 191 in the middle part of the spacing piece 18 of elasticity, can be when filling into sufficient liquid to sacculus 7 inside, sufficient liquid can withstand elasticity guide rope 191, push 911 inside sacculus 7, make the spacing piece 18 tip of elasticity can be normal to withstand and mark 31, simultaneously when the sufficient liquid of sacculus 7 inside was discharged, elasticity guide rope 191 can follow sufficient liquid and flow simultaneously, and then drive elasticity guide rope 191, elasticity guide rope 191 can pull elasticity spacing piece 18 this moment, make the spacing piece 18 tip of elasticity break away from the contact with mark 31, elasticity bracing piece 17 can normally laminate on sacculus 7 inside wall this moment, reduce because of the spacing piece 18 of elasticity withstands the unable normal problem of laminating on sacculus 7 inside wall of elasticity bracing piece 17 that marks 31 and lead to because of.
The middle part of the elastic guide rope 191 is fixedly connected with a limiting ball 192; a plurality of groups of limiting balls 192 are arranged on the elastic guide rope 191; the middle part of the elastic guide rope 191 is fixedly connected with a flexible brush 193; a plurality of groups of flexible brushes 193 are arranged on the elastic guide rope 191; through being equipped with spacing ball 192 of multiunit and flexible brush 193 in the middle part of elasticity guide rope 191, can make the follow that elasticity guide rope 191 can be more smooth filling liquid flow, promote the power of dragging of elasticity guide rope 191 to spacing piece 18 of elasticity, reduce the spacing piece 18 of elasticity because of the spacing piece 18 of unable pulling elasticity that the too little pulling force of elasticity guide rope 191 leads to of elasticity problem.
An elastic metal wire 194 is connected between the inner side wall of the balloon 7 and the middle part of the elastic guide rope 191; the elastic guide rope 191 can be stably positioned at the port of the balloon 7 for entering and exiting the filling liquid, and the stability of the elastic guide rope 191 for controlling the elastic limiting sheet 18 is improved.
Example two
The fixing device comprises a connecting rod 5, a first fixing ring 6, an elastic rope 8 and a rubber rod 9; a plurality of rubber rods 9 are fixed on the outer part of the balloon 7 in an annular and equidistant manner; the end part of each rubber rod 9 close to the thin tube 41 is connected with an elastic rope 8; the end part of the elastic rope 8 is connected with a first fixing ring 6; the side wall of the first fixing ring 6 is connected with a connecting rod 5; the end part of the connecting rod 5 is connected with the thick pipe 42; when filling liquid to 7 inside injections of sacculus through outer tube 4, 7 inflation of sacculus promote the outside removal of rubber pole 9, drive elasticity rope 8 simultaneously and stretch, because rubber pole 9 and elasticity rope 8 and then the bonding are fixed, so can make elasticity rope 8 produce elasticity tensile at 7 inflation of sacculus in-process, avoid sacculus 7 to take place crooked at the in-process of expansion, do not target in place the vasodilatation to better expansion blood vessel.
EXAMPLE III
The connector 1 comprises a guide wire penetrating pipe and a tilt liquid injection pipe, the upper end of the guide wire penetrating pipe is fixed to tilt liquid injection pipe, the guide wire penetrating pipe is communicated with the inner part of the inner pipe 3, the tilt liquid injection pipe is communicated with the inner part of the outer pipe 4, the injection pipe which is filled with liquid is pumped into the tilt liquid injection pipe and connected with the tilt liquid injection pipe, and the tilt liquid injection pipe is filled with the liquid so that the liquid enters the balloon 7 along the outer pipe 1.
Example four
Joint 1 inside left wall fixed seal 2, seal 2 installs in the annular outer end of inner tube 3, and seal 2 is convenient for seal the space between joint 1 and the inner tube 3, avoids discharging from the space between joint 1 and the inner tube 3 from the filling liquid that injects in the joint 1.
EXAMPLE five
The right position of the annular inner wall of the joint 1 is bonded with the annular outer end of the outer pipe 3, so that a gap between the joint 1 and the outer pipe 4 is conveniently sealed, and the leakage of filling liquid is avoided.
EXAMPLE six
The inner tube 3 is processed into a hollow structure, and the hollow inner tube 1 is sleeved on the guide wire and moves along the guide wire.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A balloon dilatation catheter device comprises a joint (1), an inner tube (3), an outer tube (4) and a balloon (7); the method is characterized in that: the balloon (7) is sleeved in the middle of the inner tube (3); the outer pipe (4) is sleeved on the inner pipe (3); the outer pipe (4) is arranged at the end part of the joint (1) and is connected with the joint (1); the end part of the outer pipe (4) connected with the joint (1) extends into the joint (1); the outer tube (4) comprises a thin tube (41) and a thick tube (42); the thick pipe (42) is fixed at the left end of the thin pipe (41); a thin tube (41) is sleeved in the middle of the inner tube (3); the thin tube (41) is communicated with the end part of the thick tube (42); the middle part of the inner pipe (3) is sleeved with two marks (31); the marker (31) is arranged inside the balloon (7); the end part of the balloon (7) is communicated with the other end of the thin tube (41); the right end of the thin tube (41) is fixedly connected with the balloon (7), and the left end of the thick tube (42) extends into the joint (1); a second fixing ring (10) is sleeved on the end part of the sacculus (7) far away from the thin tube (41); an elastic rope (8) is connected between the balloon (7) and the second fixing ring (10); the middle part of the thin tube (41) is provided with a fixing device; an elastic support rod (17) is fixedly connected inside the sacculus (7); the end part of the elastic support rod (17) is arranged towards the thin tube (41);
the middle part of the elastic support rod (17) is provided with an elastic limiting piece (18); the elastic support rod (17) is connected with the elastic limiting sheet (18) through an elastic support seat (181);
the middle part of the elastic supporting rod (17) is provided with a through hole (19); the middle part of the elastic limiting sheet (18) is connected with an elastic guide rope (191); the other end of the elastic guide rope (191) passes through the through hole (19) and extends to a position between the balloon (7) and the inner tube (3);
the middle part of the elastic guide rope (191) is fixedly connected with a limiting ball (192); a plurality of groups of limiting balls (192) are arranged on the elastic guide rope (191); the middle part of the elastic guide rope (191) is fixedly connected with a flexible brush (193); a plurality of groups of flexible hairbrushes (193) are arranged on the elastic guide rope (191);
an elastic metal wire (194) is connected between the inner side wall of the balloon (7) and the middle part of the elastic guide rope (191);
the fixing device comprises a connecting rod (5), a first fixing ring (6), an elastic rope (8) and a rubber rod (9); a plurality of rubber rods (9) are fixed on the outer part of the balloon (7) in an annular and equidistant manner; the end part of each rubber rod (9) close to the thin tube (41) is connected with an elastic rope (8); the end part of the elastic rope (8) is connected with a first fixing ring (6); the side wall of the first fixing ring (6) is connected with a connecting rod (5); the end part of the connecting rod (5) is connected with the thick pipe (42).
2. The balloon dilation catheter device of claim 1, wherein: the joint (1) comprises a guide wire penetrating pipe and an inclined liquid injection pipe, and the inclined liquid injection pipe is fixed at the upper end of the guide wire penetrating pipe; the guide wire penetrating pipe is communicated with the inside of the inner pipe (3); the inclined liquid injection pipe is communicated with the inside of the outer pipe (4).
3. The balloon dilation catheter device according to claim 2, wherein: the inner side wall of the joint (1) is fixed with a sealing element (2), and the sealing element (2) is arranged at the annular outer end of the inner pipe (3).
4. The balloon dilation catheter device according to claim 3, wherein: the inner part of the inner pipe (3) is processed into a hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418837.2A CN114534071B (en) | 2022-04-21 | 2022-04-21 | Balloon dilatation catheter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418837.2A CN114534071B (en) | 2022-04-21 | 2022-04-21 | Balloon dilatation catheter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114534071A CN114534071A (en) | 2022-05-27 |
| CN114534071B true CN114534071B (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210418837.2A Active CN114534071B (en) | 2022-04-21 | 2022-04-21 | Balloon dilatation catheter device |
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| CN (1) | CN114534071B (en) |
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| CN110025874A (en) * | 2019-04-24 | 2019-07-19 | 广州启骏生物科技有限公司 | A kind of sacculus dilating catheter |
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| CN216319443U (en) * | 2021-11-18 | 2022-04-19 | 河南颍普电子技术有限公司 | Paclitaxel release coronary artery sacculus expansion pipe |
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| US9446222B2 (en) * | 2014-03-05 | 2016-09-20 | Invatec S.P.A. | Catheter assemblies and methods for stabilizing a catheter assembly within a subintimal space |
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