CN108670374A - One kind being used for cardiovascular interventional therapy device - Google Patents
One kind being used for cardiovascular interventional therapy device Download PDFInfo
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- CN108670374A CN108670374A CN201810655482.2A CN201810655482A CN108670374A CN 108670374 A CN108670374 A CN 108670374A CN 201810655482 A CN201810655482 A CN 201810655482A CN 108670374 A CN108670374 A CN 108670374A
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- inner tube
- needle tubing
- therapy device
- hole
- sealing ring
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- 230000002526 effect on cardiovascular system Effects 0.000 title claims abstract description 36
- 238000002560 therapeutic procedure Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 8
- 239000003814 drug Substances 0.000 abstract description 35
- 229940079593 drug Drugs 0.000 abstract description 34
- 239000008280 blood Substances 0.000 abstract description 16
- 210000004369 blood Anatomy 0.000 abstract description 16
- 231100000915 pathological change Toxicity 0.000 abstract description 5
- 230000036285 pathological change Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000017531 blood circulation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 230000002792 vascular Effects 0.000 description 4
- 206010067484 Adverse reaction Diseases 0.000 description 3
- 230000006838 adverse reaction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 230000001194 anti-hemostatic effect Effects 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 206010061623 Adverse drug reaction Diseases 0.000 description 1
- 208000030453 Drug-Related Side Effects and Adverse reaction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Gastroenterology & Hepatology (AREA)
- Pathology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses one kind being used for cardiovascular interventional therapy device,Including inner tube,The inside of inner tube is provided with through-hole and threading hole,The threading hole is internally provided with seal wire,It is connected by connecting pole between taper sheath,The inside of connecting pole is provided with drainage lumens,Inner tube one end is connected with the first needle tubing,The inside of first needle tubing is provided with cavity,Annular groove is provided in cavity,The present invention is by pulling inner tube to be propped up to make two sealing rings pass through extruding,To which the angiocarpy at connecting pole is isolated with the angiocarpy of other parts,The blood stasis at cardiovascular pathological changes position does not flow at this time,Then drug is injected to cardiovascular diseased region by through-hole,Drug will be trapped in cardiovascular diseased region,So as to effectively reduce medication administration amount,Reduce the risk because of the much formation of administering pharmaceutical substances amount,In addition pressure increases caused by using the form of double injection chamber that can effectively prevent drug injection.
Description
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of to be used for cardiovascular interventional therapy device.
Background technology
Cardio-vascular interventional therapeutic is a kind of technology of new diagnostic and treatment angiocardiopathy, in the guiding of Imaging Method
Under, conduit is sent to cardiovascular diseased region by instruments such as seal wires by puncturing peripheral vascular, cardiovascular disease is carried out
The diagnosis and treatment method made a definite diagnosis and treated, common cardiovascular interventional therapy device to lesion cardiovascular region inject drug when, by
Blood circulation inside angiocarpy causes the drug of injection can be as blood flow is stopped without the position in cardiovascular pathological changes
Stay, thus cause drug generate effect reduce to keep the recovery of patient slower, some situations in order to ensure dispenser imitate
Fruit can increase formulation rate, but the pharmacological property of some drugs is more special, if grasp is bad to be easy to cause adverse reaction, especially
Direct dispenser in the blood vessel, the raising of medication amount increases the risk of adverse reaction sometimes, therefore we have proposed one kind to be used for
Cardiovascular interventional therapy device.
Invention content
The purpose of the present invention is to provide one kind being used for cardiovascular interventional therapy device, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：One kind being used for cardiovascular interventional therapy device, packet
Inner tube is included, the inside of said inner tube is provided with through-hole and threading hole, and the threading hole is internally provided with seal wire, the outside of said inner tube
Socket is connected, the inside of connecting pole is provided with drainage between two taper sheaths by multiple connecting poles there are two taper sheath on wall
The both ends of chamber, multiple drainage lumens extend through corresponding taper sheath, and the outside of the taper sheath, which is located in inner tube, to be socketed with
Sealing ring, multiple straight slots are provided on the side wall of two sealing rings, and the one end and inner tube of the sealing ring far from taper sheath on right side are solid
Fixed connection, the one end of another sealing ring far from taper sheath are fixedly connected with outer tube, and the outer tube is socketed in inner tube, the outer tube
One end rotation connection far from corresponding sealing ring two snap-gauges and opens card slot active card on inner pipe there are two snap-gauge
It connects, the position on the side wall of the through-hole and between two sealing rings is equipped with the liquid-passing hole being connected to outside；
The both ends of said inner tube run through outer tube and extend to outside, and the left end of said inner tube is connect with injector activity.
Preferably, the syringe includes the first needle tubing and the second needle tubing, first needle tubing and inner tube pivot bush unit, institute
The inside for stating the first needle tubing is provided with cavity, is opened on the madial wall of the cavity there are two annular groove, the inside of two annular grooves is slided
Dynamic to be connected with ring block, the ring block is located on the lateral wall of the second needle tubing, and second needle tubing is rotatably connected on cavity
The inside of inside, second needle tubing is opened there are two injecting cavity, and the inside of two injecting cavities respectively slidably connects piston, institute
It states and is provided with exchange hole on the bottom of injecting cavity, the exchange hole and the injection orifice being opened in inside rubber stopper are interconnected, the rubber
Rubber plug is located between the second needle tubing and the side wall of cavity.
Preferably, the sealing ring is internally provided with multiple support bars.
Preferably, the sealing ring is equipped with multiple switch blocks close to one end of taper sheath, and the switch block is rotated by shaft to be connected
It is connected on the inside of turn trough, the turn trough is opened on the side wall of taper sheath.
Preferably, sliding sleeve is connected to envelope on the lateral wall of inner tube between two taper sheaths and corresponding sealing ring
Close set.
Preferably, the inside of two annular grooves is all provided with there are two limiting groove, and two are equipped on the side wall of two ring blocks
A spacing block set.
Preferably, sliding sleeve is connected to isolation set on the outer tube.
Preferably, the right end of the interventional therapy device is equipped with smooth chamfering.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is by pulling inner tube to make two sealing rings
It is propped up by squeezing, it is cardiovascular at this time to which the cardiovascular pathological changes position at connecting pole to be isolated with the angiocarpy of other parts
The blood stasis of diseased region does not flow, and then injects drug to cardiovascular diseased region by through-hole, drug will be detained
The resume speed of patient is effectively raised to make the drug effect of drug greatly improve in cardiovascular diseased region, by appointing
One injecting cavity first extracts the blood at two sealing ring isolation out, then drug is injected by another injecting cavity again, to make
Cardiovascular pathological changes position avoids compression shock when injection drug, is effectively protected the cardiovascular from damage of patient, and
And due to being the dispenser in opposite enclosed system, drug diffusion can be reduced, so as to reduce formulation rate, improves dispenser effect
Fruit reduces because medication amount is excessive, causes the risk of adverse reaction after diffusion, by straight slot and drainage lumens by the outer of two sealing rings
Side angiocarpy connection, to be effectively guaranteed the smooth circulation of blood.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram after the sealing ring of the present invention struts；
Fig. 3 is the partial structural diagram of the snap-gauge and card slot access section of the present invention；
Fig. 4 is the sectional view of the sealing ring and taper sheath junction of the outer tube connection of the present invention；
Fig. 5 is the sectional view of the sealing ring and taper sheath junction of the inner tube connection of the present invention；
The connecting pole and the partial sectional view at inner tube that Fig. 6 is the present invention；
Fig. 7 is the explosive view at the first needle tubing and the second needle tubing of the present invention；
Fig. 8 is the explosive view of the injecting cavity and piston junction of the present invention；
Fig. 9 is the partial sectional view of the turn trough and switch block junction of the present invention；
Figure 10 is the partial sectional view of the support bar and sealing ring junction of the present invention；
Figure 11 is enlarged drawing at the A of Fig. 6 of the present invention；
Figure 12 is partial sectional view when sealing ring of the present invention is propped up；
Figure 13 is the sectional view of bilateral well format of the present invention.
In figure：1, inner tube, 2, outer tube, 3, taper sheath, 4, sealing ring, 5, connecting pole, 6, through-hole, 601, liquid-passing hole, 7, draw
Flow chamber, 8, straight slot, 9, turn trough, 10, switch block, 11, closing set, 12, support bar, 13, isolation set, 14, exchange hole, 15, rubber stopper,
16, injection orifice, the 17, first needle tubing, 18, cavity, 19, annular groove, the 20, second needle tubing, 21, ring block, 22, injecting cavity, 23, living
Plug, 24, snap-gauge, 25, card slot, 26, threading hole, 27, seal wire.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 13 are please referred to Fig.1,
Embodiment one, the present invention provide one kind and being used for cardiovascular interventional therapy device, including inner tube 1, said inner tube 1
Inside is provided with through-hole 6 and threading hole 26, the position on the side wall of the through-hole 6 and between two sealing rings 4 be equipped with it is outer
The liquid-passing hole 601 of portion's connection, to facilitate injection drug, the threading hole 26 to be internally provided with seal wire 27, through-hole 6 is injection medicine
The chamber of object and blood drawing, the position of end, that is, liquid-passing hole 601 of through-hole 6 are to use the device between two taper sheaths 3
When, seal wire 27, which is previously placed in inside human vas, reaches lesion cardiovascular region to be treated, then allows the present apparatus along leading
Silk 27, which progresses into, reaches designated position, and there are two taper sheaths 3 for socket on the lateral wall of said inner tube 1, and taper sheath 3 is close to sealing
One end of circle 4 is gradient, so that the end of sealing ring 4 is expanded outwardly when squeezing, passes through multiple connecting poles between two taper sheaths 3
The inside of 5 connections, connecting pole 5 is provided with drainage lumens 7, and drainage lumens 7 can ensure the outside angiocarpy connection of two sealing rings 4
Blood circulation is smooth, the blood accumulated plugging during anti-locking apparatus use, and the both ends of multiple drainage lumens 7 extend through corresponding
Taper sheath 3, drainage lumens 7 and straight slot 8 form the flowing lumen of a blood, and anti-Hemostatic Oral Liquid blocks, the outside position of the taper sheath 3
In being socketed with sealing ring 4 in inner tube 1, sealing ring 4 is that medical PVC material is deformable, and sealing ring 4 can be propped up and be shunk, and be propped up
When the both ends of cardiovascular target site can be closed, cardiovascular diseased region will be trapped in drug, to
So that the effect that drug generates is greatly improved, and can effectively reduce drug injection amount and mitigate side effect, the side wall of two sealing rings 4
On be provided with multiple straight slots 8, straight slot 8 forms the flowing lumen of a blood with drainage lumens 7, and anti-Hemostatic Oral Liquid blocks, the sealing on right side
4 one end far from taper sheath 3 of circle are fixedly connected with inner tube 1, and the one end of another sealing ring 4 far from taper sheath 3 is fixed with outer tube 2 to be connected
It connects, pulls inner tube 1 that the sealing ring 4 on right side can be made to be propped up with the extruding of taper sheath 3 to the left, while pushing connecting pole 5 to the left, to squeeze
The sealing ring 4 in pressure left side is propped up, and to one section of blood vessel of sealing, the outer tube 2 is socketed in inner tube 1, and the outer tube 2 is separate
There are two snap-gauge 24, two snap-gauges 24 and 25 activities of card slot being opened in inner tube 1 to be clamped for one end rotation connection of sealing ring 4, leads to
It crosses two snap-gauges 24 to be clamped with card slot 25, inner tube 1 and the position of outer tube 2 is made to fix, as shown in figure 3, the card slot 25 in inner tube 1
Position range is larger, so as to according to circumstances adjust the relative position between inner tube 1 and outer tube 2, the two of said inner tube 1
End runs through outer tube 2 and extends to outside, and the left end of said inner tube 1 is connect with injector activity, and syringe is for injecting drug
Into in blood vessel.
Embodiment two reduces expansion of the blood flow to drug to make the effect that sealing ring 4 closes a certain section of blood vessel more preferable
Dissipating influences, and increases the components such as switch block 10 on the basis of embodiment one, and the sealing ring 4 is equipped with more close to one end of taper sheath 3
A switch block 10, the switch block 10 are rotatably connected on the inside of turn trough 9 by shaft, and the turn trough 9 is opened in the side wall of taper sheath 3
On, when pulling inner tube 1 to make inner tube 1 in the internal slide of outer tube 2, sealing ring 4 slides on taper sheath 3, while switch block 10 will
In the inner rotation of corresponding turn trough 9, the end of the connection of sealing ring 4 switch block 10 stops at taper sheath 3 after turning an angle
Upper sliding, for sealing ring 4 by the pulling force inward curl of switch block 10, effect is as shown in figure 12, and Figure 12 is sectional view, due to profile position
It is located exactly between two connecting poles 5, so can't see drainage lumens 7 and straight slot 8 on figure, is in addition sent out to prevent sealing ring 4 to be bent
Raw recess, the sealing ring 4 are internally provided with multiple support bars 12, and the material of support bar 12 is elastic metallic, when not by external force
It is vertical shape when effect, cross-sectional direction has certain radian, to keep the only outside lateral bend of support bar 12, support bar 12 equal
The even inside for being distributed in sealing ring 4, when pulling inner tube 1 to make inner tube 1 in the internal slide of outer tube 2, support bar 12 will support
Two sealing rings 4 expand outwardly；
In addition to blood few as possible is allowed to be flowed through from centre when using the present apparatus, the expansion of the drug caused by flowing is reduced
Diffusing is lost, and sliding sleeve is connected to closing on the lateral wall of inner tube 1 between two taper sheaths 3 and corresponding sealing ring 4
Set 11, when sealing ring 4 struts, the outside angiocarpy of two sealing rings 4 is connected to by straight slot 8 with drainage lumens 7, effect and position
As shown in figure 12, ensure that reducing blood while blood circulation is smooth to the greatest extent flows between inner tube 1 and the gap of outer tube 2, simultaneously
Blood is also prevented to flow at connecting pole 5 in closed inner cavity by the gap between taper sheath 3 and inner tube 1, in order to ensure wound,
Sliding sleeve is connected to isolation set 13 on the outer tube 2, and isolation layer 13 can be contacted by sliding with human body surface, in isolation layer 13 and people
Body surface adds sterile gauze between face, prevents the external infection to wound.
Embodiment three, since the present apparatus can form the channel of one section of relative closure when in use, so if directly quickly
Drug is injected, vascular wall may be caused stress and be damaged, so preferably first the blood in closed channel is extracted,
Then inject drug again, but replaced again after extracting syringe injected it is such operate it is both cumbersome, also because increasing step
Increase pollution risk, it is possible to include the first needle using the syringe in the technology of embodiment one or embodiment two
Pipe 17 and the second needle tubing 20, the material of the syringe scheme of first needle tubing 17 and 1 pivot bush unit of inner tube, the first needle tubing 17 are
The inside of transparent material, first needle tubing 17 is provided with cavity 18, is opened on the madial wall of the cavity 18 there are two annular groove 19,
The internal slide of two annular grooves 19 is connected with ring block 21, and the ring block 21 is located on the lateral wall of the second needle tubing 20, leads to
Ring block 21 is crossed to be slidably connected with corresponding annular groove 19, it is described to make the second needle tubing 20 in the inner rotation of cavity 18
Second needle tubing 20 is rotatably connected on the inside of cavity 18, and the material of the second needle tubing 20 is transparent material, and indicates scale, and described the
The inside of two needle tubings 20 is opened there are two injecting cavity 22, and two injecting cavities 22 are not connected to, and an injecting cavity 22 is injected drug and used,
The other is for extracting closed one section of endovascular blood out, the very little that the internal diameter of through-hole 6 can make, so remaining in
Amount of liquid inside the pipeline of through-hole 6 can be ignored substantially, and the internal slide of two injecting cavities 22 is connected with piston 23, piston 23
Inner end be rubber material, play the role of sealing, exchange hole 14, two exchange holes 14 be provided on the side wall of the injecting cavity 22
It is connected to respectively with two injecting cavities 22, and the positional symmetry of two exchange holes 14, any exchange hole 14 is connected to injection orifice 16
In the case of, by the second needle tubing 20 in 180 ° of the inner rotation of cavity 18, another exchange hole 14 is connected to injection orifice 16, the friendship
The injection orifice 16 for changing hole 14 and being opened in inside rubber stopper 15 is interconnected, and the rubber stopper 15 is located at the second needle tubing 20 and cavity 18
Side wall between, rubber stopper 15 is fixedly connected in the inside of cavity 18, and not rotatably, rubber stopper 15 is connect tightly with the second needle tubing 20
Close, not leak liquid when ensureing that exchange hole 14 is connected to injection orifice 16 with this, the second needle tubing 20 is in the inner rotation of cavity 18
Rubber stopper 15 is slidably connected with the second needle tubing 20.
Specifically, can well control and perceive to make different injecting cavity 22 be connected to, two annular grooves 19 it is interior
Portion is all provided with there are two limiting groove, is all provided on the side wall of two ring blocks 21 there are two spacing block set, inside each annular groove 19
Two grooves it is symmetrical, two convex blocks on 21 side wall of each ring block are symmetrical, when groove and convex block are clamped, any exchange hole
14 will be connected to injection orifice 16, the second needle tubing 20 be rotated 180 degree, groove is clamped again with corresponding convex block, at this time separately
One exchange hole 14 is connected to injection orifice 16.
Example IV, the present apparatus can also use doubled via 6, and sectional position is as shown in figure 13, and two through-holes 6 are located at interior
The inside of pipe 1, and in the both sides of threading hole 26, using the form of doubled via 6, the left end of inner tube 1 will respectively with two syringes
Connection, can reduce minor impact of the pipeline to extraction blood in this way, and such design requires meeting slightly higher one to the manufacture of the present apparatus
A bit.
Operation principle：The present apparatus by sting device tissue and vascular puncture in use, punctured, by seal wire first
27 one end penetrates and reaches predetermined position inside human vas, and the other end runs through the threading hole 26 of the device and stretches out, by the dress
It sets and enters human cardiovascular disease precalculated position along seal wire 27, the right end of the present apparatus is equipped with smooth chamfering as shown in figure 5, with drop
The low resistance for penetrating process pulls out the internal slide that inner tube 1 makes inner tube 1 in outer tube 2, two sealing rings 4 is made to be squeezed
After expand, to make cardiovascular appointed part position form the chamber of an independent relative closure, straight slot 8 and drainage lumens 7 will at this time
The outside angiocarpy connection of two sealing rings 4, it is smooth to be effectively guaranteed blood circulation, then by two snap-gauges 24 and card slot 25
Clamping makes inner tube 1 and the position of outer tube 2 fix, and isolation set 13 is slid into and is contacted with human body surface, by any injecting cavity 22
Internal populated drug, the first needle tubing 17 is connected to inner tube 1, and the second needle tubing 20 rotates 180 degree, makes the injection for being not filled by drug
Chamber 22 is connected to by exchange hole 14 with injection orifice 16, the piston 23 for pulling it internal, to make the blood at cardiovascular pathological changes position
Extracted out along through-hole 6, the second needle tubing 20 then rotated into 180 degree again, make the injecting cavity 22 of filling drug by exchange hole 14 with
Injection orifice 16 is connected to, the piston 23 for pushing it internal, to make drug be injected into cardiovascular appointed part along through-hole 6, according to
After actual conditions obtain the action time of drug and vascular wall, the reversed piston 23 for pulling injection drug detaches drug, prevents
Diffusion causes harmful effect after delay, then unclamps snap-gauge 24 and card slot 25, by inner tube 1 according to the reversed push-in of directly operation, makes
Sealing ring 4 from prop up become packing up after can along seal wire 27 slowly by the present apparatus extract out be detached from.The present apparatus can be reduced because of blood
Liquid stream to the influence for causing drug diffusion, so as to reduce formulation rate to reduce adverse drug reaction risk and can be with
The pesticide supplying effect of designated position is provided.
The location expression word of " left and right " is only to describe relationship for the drafting in attached drawing to express to facilitate in the present invention,
Specific orientation when use is not represented.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. one kind being used for cardiovascular interventional therapy device, including inner tube (1), it is characterised in that：It opens the inside of said inner tube (1)
There are through-hole (6) and threading hole (26), the threading hole (26), which is run through, is equipped with seal wire (27), is covered on the lateral wall of said inner tube (1)
It connects there are two taper sheath (3), is connected by multiple connecting poles (5) between two taper sheaths (3), the inside of connecting pole (5) is opened
There are drainage lumens (7), the both ends of multiple drainage lumens (7) to extend through corresponding taper sheath (3), the outside of the taper sheath (3)
It is socketed with sealing ring (4) in inner tube (1), multiple straight slots (8) are provided on the side wall of two sealing rings (4), right side
The one end of sealing ring (4) far from taper sheath (3) is fixedly connected with inner tube (1), and the one of the separate taper sheath (3) of another sealing ring (4)
End is fixedly connected with outer tube (2), and the outer tube (2) is socketed in inner tube (1), the one end of the outer tube (2) far from sealing ring (4)
There are two snap-gauge (24), two snap-gauges (24) and card slot (25) activities being opened in inner tube (1) to be clamped for connection, the through-hole (6)
Side wall on and the position between two sealing rings (4) is equipped with and the external liquid-passing hole (601) being connected to；
The both ends of said inner tube (1) run through outer tube (2) and extend to outside, the left end and injector activity of said inner tube (1)
Connection.
2. according to claim 1 a kind of for cardiovascular interventional therapy device, it is characterised in that：The syringe packet
Containing the first needle tubing (17) and the second needle tubing (20), first needle tubing (17) and inner tube (1) pivot bush unit, first needle tubing
(17) inside is provided with cavity (18), is opened on the madial wall of the cavity (18) there are two annular groove (19), two annular grooves
(19) internal slide is connected with ring block (21), and the ring block (21) is located on the lateral wall of the second needle tubing (20), described
Second needle tubing (20) is rotatably connected on the inside of cavity (18), and the inside of second needle tubing (20) opens that there are two injecting cavities
(22), the inside of two injecting cavities (22) respectively slidably connects piston (23), is provided on the bottom of the injecting cavity (22)
Exchange hole (14), the exchange hole (14) and the injection orifice (16) for being opened in rubber stopper (15) inside are interconnected, the rubber stopper
(15) it is located between the second needle tubing (20) and the side wall of cavity (18).
3. according to claim 1 a kind of for cardiovascular interventional therapy device, it is characterised in that：The sealing ring
(4) be internally provided with multiple support bars (12).
4. according to claim 1 a kind of for cardiovascular interventional therapy device, it is characterised in that：The sealing ring
(4) multiple switch blocks (10) are equipped with close to one end of taper sheath (3), the switch block (10) is rotatably connected on turn trough (9) by shaft
Inside, the turn trough (9) is opened on the side wall of taper sheath (3).
5. according to claim 1 a kind of for cardiovascular interventional therapy device, it is characterised in that：Two taper sheaths
(3) sliding sleeve is connected to closing set (11) on the lateral wall of inner tube (1) between corresponding sealing ring (4).
6. according to claim 2 a kind of for cardiovascular interventional therapy device, it is characterised in that：Two annular grooves
(19) inside is all provided with there are two limiting groove, is all provided with that there are two spacing block sets on the side wall of two ring blocks (21).
7. one kind according to any claim in claim 1-6 is used for cardiovascular interventional therapy device, feature
It is：Sliding sleeve is connected to isolation set (13) on the outer tube (2).
8. one kind according to any claim in claim 1-6 is used for cardiovascular interventional therapy device, feature
It is：The right end of the interventional therapy device is equipped with smooth chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655482.2A CN108670374B (en) | 2018-06-23 | 2018-06-23 | Interventional therapy device for cardiovascular diseases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810655482.2A CN108670374B (en) | 2018-06-23 | 2018-06-23 | Interventional therapy device for cardiovascular diseases |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108670374A true CN108670374A (en) | 2018-10-19 |
| CN108670374B CN108670374B (en) | 2023-12-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111248943A (en) * | 2020-02-11 | 2020-06-09 | 刘敏 | Intervention device for detecting hydrops in abdominal cavity |
| CN114521938A (en) * | 2022-02-18 | 2022-05-24 | 深圳市凯思特医疗科技股份有限公司 | Cardiovascular intervention catheter with pressure sensing function |
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