CN208851602U - One kind being used for cardiovascular interventional therapy device - Google Patents

Abstract

The utility model discloses one kind to be used for cardiovascular interventional therapy device, including inner tube, the inside of inner tube is provided with through-hole and threading hole, the inside of the threading hole is equipped with seal wire, it is connected between taper sheath by connecting column, the inside of connecting column 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 utility model props up two sealing rings by squeezing by pulling inner tube, to which the angiocarpy at connecting column 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 double injection is used The increase of pressure caused by drug injection can be effectively prevented in the form of chamber.

Description

One kind being used for cardiovascular interventional therapy device

Technical field

The utility model relates to the field of medical instrument technology, specially a kind of to be used for cardiovascular interventional therapy device.

Background technique

Cardio-vascular interventional therapeutic is the technology of a kind of new diagnostic and treatment cardiovascular disease, in the guidance 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 injection 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 The effect stayed, therefore drug is caused to generate reduces to keep the recovery of patient slower, some situations are imitated to guarantee to be administered Fruit will increase formulation rate, but the pharmacological property of some drugs is more special, if grasp it is bad be easy to cause adverse reaction, especially It is directly administered in the blood vessel, the raising of medication amount will increase the risk of adverse reaction sometimes, therefore we have proposed one kind to be used for Cardiovascular interventional therapy device.

Utility model content

The purpose of this utility model is to provide one kind to be used for cardiovascular interventional therapy device, to solve above-mentioned background skill The problem of being proposed in art.

To achieve the above object, the utility model provides the following technical solutions: one kind is filled for cardiovascular interventional therapy It sets, including inner tube, the inside of said inner tube is provided with through-hole and threading hole, and the inside of the threading hole is equipped with seal wire, said inner tube Lateral wall on socket there are two taper sheath, connected between two taper sheaths by multiple connecting columns, the inside of connecting column is opened There are drainage lumens, the both ends of multiple drainage lumens extend through corresponding taper sheath, and the outside of the taper sheath is located in inner tube Be socketed with sealing ring, be provided with multiple through slots on the side wall of two sealing rings, the sealing ring on right side far from one end of taper sheath with Inner tube is fixedly connected, and another sealing ring is fixedly connected far from one end of taper sheath with outer tube, and the outer tube is socketed on inner pipe, institute One end rotation connection of the outer tube far from corresponding sealing ring is stated there are two snap-gauge, two snap-gauges and the card slot opened on inner pipe are living Liquid-passing hole dynamic to be clamped, that the position on the side wall of the through-hole and between two sealing rings is equipped with and outside is connected to；

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 inner sidewall of the cavity there are two annular groove, the inside of two annular grooves is sliding 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 Inside, the inside of second needle tubing are opened there are two injecting cavity, and the inside of two injecting cavities slidably connects piston respectively, institute It states and is provided with exchange hole on the bottom of injecting cavity, the exchange hole is interconnected with the injection orifice being opened in inside rubber stopper, the rubber Rubber plug is located between the second needle tubing and the side wall of cavity.

Preferably, the inside of the sealing ring is equipped 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 connects in 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, is equipped with two 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 utility model has the beneficial effects that the utility model is by pulling inner tube to make two A sealing ring is propped up by squeezing, so that the cardiovascular pathological changes position at connecting column is isolated with the angiocarpy of other parts, this When cardiovascular pathological changes position blood stasis do not flow, then by through-hole to cardiovascular diseased region inject drug, drug It will be trapped in cardiovascular diseased region, so that the drug effect of drug be made to greatly improve, effectively raise the recovery speed of patient Degree, is first extracted the blood at two sealing ring isolation out by any injecting cavity, then injects medicine by another injecting cavity again Object, so that compression shock when cardiovascular pathological changes position being made to avoid injection drug, the angiocarpy for effectively protecting patient are exempted from It is damaged, and due to being the application in opposite enclosed system, drug diffusion can be reduced, so as to reduce formulation rate, mentioned High pesticide supplying effect is reduced because medication amount is excessive, causes the risk of adverse reaction after diffusion, close by two by through slot and drainage lumens The outside angiocarpy of seal is connected to, so that the smooth circulation of blood be effectively guaranteed.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram after the sealing ring of the utility model struts；

Fig. 3 is the snap-gauge of the utility model and the partial structural diagram of card slot access section；

Fig. 4 is the cross-sectional view of sealing ring and taper sheath junction that the outer tube of the utility model connects；

Fig. 5 is the cross-sectional view of sealing ring and taper sheath junction that the inner tube of the utility model connects；

The connecting column and the partial sectional view at inner tube that Fig. 6 is the utility model；

The first needle tubing and the explosive view at the second needle tubing that Fig. 7 is the utility model；

Fig. 8 is the injecting cavity of the utility model and the explosive view of piston junction；

Fig. 9 is the turn trough of the utility model and the partial sectional view of switch block junction；

Figure 10 is the support bar of the utility model and the partial sectional view of sealing ring junction；

Figure 11 is enlarged drawing at the A of Fig. 6 of the utility model；

Figure 12 is partial sectional view when the utility model sealing ring is propped up；

Figure 13 is the sectional view of the utility model bilateral well format.

In figure: 1, inner tube, 2, outer tube, 3, taper sheath, 4, sealing ring, 5, connecting column, 6, through-hole, 601, liquid-passing hole, 7, draw Stream chamber, 8, through 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, Piston, 24, snap-gauge, 25, card slot, 26, threading hole, 27, seal wire.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-13 is please referred to,

Embodiment one, the utility model provides one kind and is used for cardiovascular interventional therapy device, including inner tube 1, described interior The inside of pipe 1 is provided with through-hole 6 and threading hole 26, and on the side wall of the through-hole 6 and position that is located between two sealing rings 4 is equipped with The liquid-passing hole 601 being connected to outside, to facilitate injection drug, the inside of the threading hole 26 is equipped with seal wire 27, and through-hole 6 is note The chamber of drug and blood drawing is penetrated, the position of end, that is, liquid-passing hole 601 of through-hole 6 is to use the dress between two taper sheaths 3 When setting, seal wire 27, which is previously placed in inside human vas, reaches lesion cardiovascular region to be treated, then allow the present apparatus along Seal wire 27, which progresses into, reaches designated position, and there are two taper sheath 3, taper sheath 3 is close for socket on the lateral wall of said inner tube 1 One end of sealing ring 4 is gradient, expands outwardly the end of sealing ring 4 when squeezing, and passes through multiple companies between two taper sheaths 3 The connection of column 5 is connect, the inside of connecting column 5 is provided with drainage lumens 7, and the outside angiocarpy of two sealing rings 4 can be connected to by drainage lumens 7, Guarantee that blood circulation is smooth, the blood accumulated plugging in anti-locking apparatus use process, the both ends of multiple drainage lumens 7 extend through phase Corresponding taper sheath 3, drainage lumens 7 and through slot 8 form the flowing lumen of a blood, and anti-Hemostatic Oral Liquid blocks, the taper sheath 3 Outside, which is located in inner tube 1, is socketed with sealing ring 4, and sealing ring 4 is that medical PVC material is deformable, and sealing ring 4 can be propped up and be received Contracting, can close the both ends of cardiovascular target site when propping up, so that drug will be trapped in cardiovascular lesion Position so that the effect for generating drug greatly improves, and can effectively reduce drug injection amount and mitigate side effect, two sealing rings Multiple through slots 8 are provided on 4 side wall, through slot 8 and drainage lumens 7 form the flowing lumen of a blood, and anti-Hemostatic Oral Liquid blocking is right The sealing ring 4 of side is fixedly connected far from one end of taper sheath 3 with inner tube 1, the one end of another sealing ring 4 far from taper sheath 3 and outer Pipe 2 is fixedly connected, to the left pull inner tube 1 can make right side sealing ring 4 and taper sheath 3 squeeze prop up, while push connecting column 5 to A left side, so that the sealing ring 4 for squeezing left side is propped up, thus one section of blood vessel of sealing, the outer tube 2 is socketed in inner tube 1, described There are two snap-gauge 24, two snap-gauges 24 and the card slot 25 being opened in inner tube 1 are living for one end rotation connection of the outer tube 2 far from sealing ring 4 Dynamic clamping, is clamped by two snap-gauges 24 and card slot 25, fixes inner tube 1 and the position of outer tube 2, as shown in figure 3, in inner tube 1 Card slot 25 position range be it is biggish, so as to according to circumstances adjust the relative position between inner tube 1 and outer tube 2, institute The both ends for stating inner tube 1 run through outer tube 2 and extend to outside, and the left end of said inner tube 1 is connect with injector activity, syringe Enter in blood vessel for injecting drug.

Embodiment two reduces expansion of the blood flow to drug in order to which the effect for allowing sealing ring 4 to close a certain section of blood vessel is more preferable Dissipating influences, and increases the components such as switch block 10 on the basis of example 1, 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 that sealing ring 4 connects switch block 10 after turning an angle stops at taper sheath 3 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 cross-sectional view, due to profile position It is located exactly between two connecting columns 5, so can't see drainage lumens 7 and through slot 8 on figure, is in addition sent out to prevent sealing ring 4 to be bent Raw recess, the inside of the sealing ring 4 are equipped 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 make the only outside lateral bend of support bar 12, support bar 12 is 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 be supported Two sealing rings 4 expand outwardly；

In addition to blood few as far as possible is allowed to flow through when using the present apparatus from centre, the expansion of drug caused by reducing because of flowing 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 through slot 8 with drainage lumens 7, effect and position As shown in figure 12, guarantee 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 by the gap between taper sheath 3 and inner tube 1 at connecting column 5 in closed inner cavity, in order to guarantee to create Mouthful, 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 Sterile gauze is added between 13 and human body surface, prevents the external infection to wound.

Embodiment three, since the present apparatus will 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 syringe scheme of first needle tubing 17 and 1 pivot bush unit of inner tube, the material of the first needle tubing 17 are Transparent material, the inside of first needle tubing 17 are provided with cavity 18, are opened on the inner sidewall 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, thus make the second needle tubing 20 in the inner rotation of cavity 18, it is described 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 being used to extract out closed one section of endovascular blood, 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 where, by the second needle tubing 20 at 180 ° of inner rotation of cavity 18, another exchange hole 14 is connected to injection orifice 16, the friendship It changes hole 14 to be interconnected with the injection orifice 16 being opened in inside rubber stopper 15, the rubber stopper 15 is located at the second needle tubing 20 and cavity Between 18 side wall, rubber stopper 15 is fixedly connected in the inside of cavity 18, not can be rotated, rubber stopper 15 is connect with the second needle tubing 20 Closely, not leakage liquid when guaranteeing that exchange hole 14 is connected to injection orifice 16 with this, inner rotation of second needle tubing 20 in cavity 18 When rubber stopper 15 be slidably connected with the second needle tubing 20.

Specifically, can well control and perceive to be connected to different injecting cavity 22, 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 each 21 side wall of 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 two 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 pipeline to the minor impact for extracting blood in this way, and such design requires meeting slightly higher one to the manufacture of the present apparatus A bit.

Working 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 predetermined 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, is squeezed two sealing rings 4 After expand, so that cardiovascular appointed part position be made to form the chamber of an independent relative closure, through 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 clampings fix inner tube 1 and the position of outer tube 2, and isolation set 13 is slid into and is contacted with human body surface, by any injecting cavity 22 The populated drug in inside, the first needle tubing 17 is connected to inner tube 1, the second needle tubing 20 rotate 180 degree, make to be not filled by drug Injecting cavity 22 is connected to by exchange hole 14 with injection orifice 16, the piston 23 for pulling it internal, to make cardiovascular pathological changes position Blood is extracted out along through-hole 6, and the second needle tubing 20 is then rotated 180 degree again, and the injecting cavity 22 for filling drug is made to pass through exchange hole 14 are connected to injection orifice 16, the piston 23 for pushing it internal, so that drug is made to be injected into cardiovascular appointed part along through-hole 6, After the action time for obtaining drug and vascular wall according to the actual situation, the reversed piston 23 for pulling injection drug detaches drug, It prevents diffusion after being detained from causing adverse effect, then unclamps snap-gauge 24 and card slot 25, by inner tube 1 according to directly operation reverse push Enter, make 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 subtract The influence of drug diffusion caused by being flowed to less because of blood, so as to reduce formulation rate to reduce the risk of adverse drug reaction simultaneously And the pesticide supplying effect of designated position can be provided.

The location expression word of " left and right " is only to describe relationship for the drafting in attached drawing to facilitate table in the utility model It reaches, does not represent specific orientation when use.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. one kind is used for cardiovascular interventional therapy device, including inner tube (1), it is characterised in that: open 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), covers on the lateral wall of said inner tube (1) There are two connecing taper sheath (3), connected between two taper sheaths (3) by multiple connecting columns (5), the inside of connecting column (5) is opened Have drainage lumens (7), the both ends of multiple drainage lumens (7) extend through corresponding taper sheath (3), the outside of the taper sheath (3) It is socketed on inner tube (1) sealing ring (4), multiple through slots (8) is provided on the side wall of two sealing rings (4), right side Sealing ring (4) is fixedly connected far from the one end of taper sheath (3) with inner tube (1), and the one of another sealing ring (4) separate taper sheath (3) End is fixedly connected with outer tube (2), and the outer tube (2) is socketed on 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) to be clamped with card slot (25) activity being opened on inner tube (1) for connection, the through-hole (6) Side wall on and the position that is located 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 of said inner tube (1) and injector activity 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 inner sidewall 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) slidably connects piston (23) respectively, is provided on the bottom of the injecting cavity (22) Exchange hole (14), the exchange hole (14) injection orifice (16) internal with rubber stopper (15) is opened in 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) inside is equipped 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) one end close to taper sheath (3) is equipped with multiple switch blocks (10), and 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 described in any claim is used for cardiovascular interventional therapy device, feature in -6 according to claim 1 Be: sliding sleeve is connected to isolation set (13) on the outer tube (2).

8. one kind described in any claim is used for cardiovascular interventional therapy device, feature in -6 according to claim 1 Be: the right end of the interventional therapy device is equipped with smooth chamfering.