阅读说明：本技术 一种临床血管内介入治疗用导管 (Catheter for clinical intravascular interventional therapy ) 是由 李伟之 张楠 孔淑贞 李培杰 马富权 刘梦莹 于 2019-09-24 设计创作，主要内容包括：本发明公开了一种临床血管内介入治疗用导管,包括充盈管,所述充盈管的中部设置有充盈管限位结构,所述充盈管的一端外表面设置有连接导管座,所述连接导管座的一端外表面固定连接有二号连接导管口,所述二号连接导管口的一端外表面设置有保护防污结构,所述充盈管的另一端外表面设置有连接外管,所述连接外管的一端外表面设置有可扩张球囊,所述可扩张球囊的前端外表面设置有导管主体。本发明通过充盈管限位结构,可以限制住充盈管的位置,避免妨碍医护人员的工作,通过防堵注射药装置,可以避免注射药物对血管造成冲击,避免患者出现不适感,通过保护防污结构,方便保证导管端口处的卫生,以便于下次的使用。(The invention discloses a catheter for clinical intravascular interventional therapy, which comprises a filling tube, wherein a filling tube limiting structure is arranged in the middle of the filling tube, a connecting catheter seat is arranged on the outer surface of one end of the filling tube, a second connecting catheter port is fixedly connected to the outer surface of one end of the connecting catheter seat, a protective antifouling structure is arranged on the outer surface of one end of the second connecting catheter port, a connecting outer tube is arranged on the outer surface of the other end of the filling tube, an expandable balloon is arranged on the outer surface of one end of the connecting outer tube, and a catheter main body is arranged on the outer surface of the front end of the expandable balloon. The anti-blocking injection device can limit the position of the filling tube by the filling tube limiting structure, so as to avoid hindering the work of medical personnel, avoid the impact of the injected medicine on blood vessels by the anti-blocking injection device, avoid the discomfort of patients, and conveniently ensure the sanitation of the port of the catheter by protecting the anti-fouling structure, so as to be convenient for the next use.)

1. A catheter for clinical endovascular intervention treatment, comprising a filling tube (1), characterized in that: the middle part of filling pipe (1) is provided with and fills sufficient tub limit structure (3), the one end surface of filling pipe (1) is provided with connects pipe seat (8), connect No. two connection pipe mouths (12) of one end surface fixedly connected with of pipe seat (8), the one end surface of No. two connection pipe mouths (12) is provided with protection antifouling structure (9), the other end surface of filling pipe (1) is provided with connects outer tube (2), the one end surface of connecting outer tube (2) is provided with expandable sacculus (4), the front end surface of expandable sacculus (4) is provided with pipe main part (13), the front end surface of pipe main part (13) is provided with inflation cover (5), the one end surface of inflation cover (5) is provided with prevents stifled medicine device (6).

2. The catheter for clinical endovascular intervention according to claim 1, wherein: the outer surface of one side of the filling pipe limiting structure (3) is provided with a movable sliding ring (31), the outer surface of one side of the movable sliding ring (31) is provided with a connecting support rod (34), a detachable connecting buckle (32) is arranged between the movable sliding ring (31) and the connecting support rod (34), one side of the connecting support rod (34) is provided with an adhering clamp plate (33), the outer surface of one side of the adhering clamp plate (33) is provided with a double-sided adhesive tape (37), the outer surface of the other side of the connecting support rod (34) is provided with an adsorbing clamp plate (36), the outer surface of one side of the adsorbing clamp plate (36) is fixedly provided with an adsorbing magnet (35), the outer surface of one side of the movable sliding ring (31) is detachably connected with the outer surface of one end of the connecting support rod (34) through the detachable connecting buckle (32), and a connecting support is arranged between the adhering clamp plate (33) and the connecting support, the surface of the other side of the sticking splint (33) is movably connected with the surface of one side of the connecting support rod (34) through a connecting support, a connecting support is arranged between the adsorption splint (36) and the connecting support rod (34), and the surface of the other side of the adsorption splint (36) is movably connected with the surface of the other side of the connecting support rod (34) through a connecting support.

3. The catheter for clinical endovascular intervention according to claim 1, wherein: prevent stifled outer pillar (63) of surface of injection medicine device (6) that blocks up, the one end external surface fixedly connected with injection inner tube (61) of outer pillar (63) on inclined plane, the external surface fixedly connected with diffusion medicine hole (62) of injection inner tube (61).

4. The catheter for clinical endovascular intervention according to claim 1, wherein: the one end surface of protection antifouling structure (9) is provided with location installation piece (95), one side surface of location installation piece (95) is provided with connecting strip (93) No. two, the one end fixed surface of connecting strip (93) is connected with antifouling cap (92) No. two, the opposite side surface of location installation piece (95) is provided with connecting strip (94) No. one, the one end fixed surface of connecting strip (94) is connected with antifouling cap (91) No. one.

5. The catheter for clinical endovascular intervention according to claim 1, wherein: prevent stifled one end surface of injection medicine device (6) and be provided with toper tip section (7), the one end surface of toper tip section (7) and the one end external surface fixed connection of injection inner tube (61), the other end surface of injection inner tube (61) and the one end external surface fixed connection who is full of pipe (1).

6. The catheter for clinical endovascular intervention according to claim 1, wherein: no. two one end surface fixed connection of connecting pipe mouth (12) is led mouthful (10) and is connected spacer (11) No. one, it is located between No. one connection pipe mouth (10) and No. two connection pipe mouths (12) to connect spacer (11), location installation piece (95) and be connected and be provided with the installation between spacer (11) and detain the button, the lower extreme surface of location installation piece (95) is detained the button through the installation and is connected the middle part surface of spacer (11) can dismantle.

7. The catheter for clinical endovascular intervention according to claim 1, wherein: the inner diameter of the movable sliding ring (31) is smaller than the outer diameter of the filling pipe (1), and the inner surface of the movable sliding ring (31) is movably connected with the outer surface of the middle part of the filling pipe (1).

8. The catheter for clinical endovascular intervention according to claim 1, wherein: the inflatable balloon (4) is formed by alternately arranging valley peaks and valley bottoms inside, and a straight rod is arranged between the drug injection inner tube (61) and the inflation sleeve (5).

Technical Field

The invention relates to the field of clinical medical instruments, in particular to a catheter for clinical intravascular interventional therapy.

Background

A catheter for clinical intravascular interventional therapy is a catheter for intravascular interventional therapy in clinical medical treatment, is convenient to use and widely used, but with the development of the modern science and technology, the functional requirements of people on the catheter for clinical intravascular interventional therapy are higher and higher.

In use, a catheter for clinical endovascular intervention performs the following operations: in the heart interventional therapy operation, the balloon catheter is inserted into the narrow part of the blood vessel by a percutaneous puncture technology under the guidance of medical imaging equipment, and the balloon is expanded under the strict monitoring to expand the narrow part of the blood vessel, so that the aims of recovering the diameter of the lumen and accelerating the blood circulation are fulfilled.

Although the existing catheter for clinical intravascular interventional therapy is simple in structure and convenient to use, the catheter is single in function, the existing catheter for clinical intravascular interventional therapy is inconvenient to fix the position of a filling tube in the using process, the treatment work of medical workers can be hindered when the catheter is placed, and certain inconvenience is caused.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides a catheter for clinical intravascular interventional therapy, and can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: including filling the pipe, the middle part that fills the pipe is provided with fills a tub limit structure, the one end surface that fills the pipe is provided with connects the pipe seat, the one end surface fixedly connected with of connecting the pipe seat is No. two to connect the pipe mouth, the one end surface of connecting the pipe mouth No. two is provided with the antifouling structure of protection, the other end surface that fills the pipe is provided with connects the outer tube, the one end surface of connecting the outer tube is provided with the expandable sacculus, the front end surface of expandable sacculus is provided with the pipe main part, the front end surface of pipe main part is provided with the inflation cover, the one end surface of inflation cover is provided with prevents stifled injection device.

Preferably, a movable slip ring is arranged on the outer surface of one side of the filling pipe limiting structure, a connecting support rod is arranged on the outer surface of one side of the movable slip ring, a detachable connecting buckle is arranged between the movable slip ring and the connecting support rod, an adhesive splint is arranged on one side of the connecting support rod, a double-faced adhesive tape is arranged on the outer surface of one side of the adhesive splint, an adsorption splint is arranged on the outer surface of the other side of the connecting support rod, an adsorption magnet is fixedly arranged on the outer surface of one side of the adsorption splint, the outer surface of one side of the movable slip ring is detachably connected with the outer surface of one end of the connecting support rod through the detachable connecting buckle, a first connecting bracket is arranged between the adhesive splint and the connecting support rod, the outer surface of the other side of the adhesive splint is movably connected with the outer surface of one side of the connecting support rod through the first connecting bracket, and a second connecting bracket is, the outer surface of the other side of the adsorption splint is movably connected with the outer surface of the other side of the connecting support rod through a second connecting support.

Preferably, the outer surface of the anti-blocking injection device is provided with an inclined outer protective pipe, the outer surface of one end of the inclined outer protective pipe is fixedly connected with an injection inner pipe, and the outer surface of the injection inner pipe is fixedly connected with a diffusion medicine hole.

Preferably, the one end surface of protection anti-fouling structure is provided with the location installation piece, one side surface of location installation piece is provided with the connecting strip No. two, the one end surface fixed connection of No. two connecting strips has No. two antifouling caps, the opposite side surface of location installation piece is provided with the connecting strip No. one, the one end surface fixed connection of a connecting strip has antifouling cap No. one.

Preferably, the one end surface of preventing stifled injection medicine device is provided with toper point head section, the one end surface of toper point head section and the one end external surface fixed connection of injection inner tube, the other end surface of injection inner tube and the one end external surface fixed connection who fills the pipe.

Preferably, the outer surface of one end of the second connecting conduit port is fixedly connected with a first connecting conduit port and a connecting isolation block, the connecting isolation block is positioned between the first connecting conduit port and the second connecting conduit port, an installation button is arranged between the positioning installation block and the connecting isolation block, and the outer surface of the lower end of the positioning installation block is detachably connected with the outer surface of the middle part of the connecting isolation block through the installation button.

Preferably, the inner diameter of the movable slip ring is smaller than the outer diameter of the filling tube, and the inner surface of the movable slip ring is movably connected with the outer surface of the middle part of the filling tube.

Preferably, the interior of the expandable balloon is formed by alternately arranging valley peaks and valley bottoms, and a straight rod is arranged between the drug injection inner tube and the expansion sleeve.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the filling tube limiting structure, when a patient is treated, the position of the filling tube can be limited at a place where the treatment of medical personnel is not hindered through the clamping action of the adsorption magnet, the double-faced adhesive tape or the pasting splint and the adsorption splint, the phenomenon that the filling tube is dragged to hinder the work of the medical personnel can be avoided, and different modes can be selected according to the actual medical condition to limit the position of the filling tube at a certain position, so that the work of the medical personnel is facilitated, and the use of people is facilitated.

2. According to the anti-blocking medicine injection device, when medicine is injected into the blood vessel of a patient, the medicine can be directly injected through the catheter, the inner wall of the study tube can be prevented from sticking and blocking the medicine diffusion hole by the inclined outer protective tube, the medicine can be ensured to be injected without causing any impact on the blood vessel, and the anti-blocking medicine injection device is beneficial to use of people.

3. According to the invention, through the protection anti-fouling structure, after treatment of a patient is finished, medical staff can sterilize, disinfect and clean the catheter, the first anti-fouling cap and the second anti-fouling cap can be covered on the first connecting catheter port and the second connecting catheter port, so that the port openings of the first connecting catheter port and the second connecting catheter port can be effectively prevented from being polluted, sanitation of instruments can be ensured, the first anti-fouling cap and the second anti-fouling cap can be limited by the positioning mounting block, dropping and losing or dropping and being polluted can be avoided, and the use of people is facilitated.

Drawings

FIG. 1 is a general view of the present invention;

FIG. 2 is a schematic view of the present invention showing the configuration of the connecting catheter hub of FIG. 1;

FIG. 3 is a schematic representation of the construction of the inflatable balloon of FIG. 1 of the present invention;

FIG. 4 is a schematic structural view of the expansion shell of FIG. 1 in accordance with the present invention;

FIG. 5 is a schematic structural view of the filling tube limiting structure of FIG. 1 according to the present invention;

FIG. 6 is a schematic structural view of the anti-clogging medicine injection device of FIG. 1 according to the present invention;

FIG. 7 is a schematic structural view of the protective soil resist structure of FIG. 1 in accordance with the present invention;

in the figure: 1. filling the tube; 2. connecting an outer pipe; 3. a filling tube limiting structure; 31. a movable slip ring; 32. the connecting buckle can be disassembled; 33. pasting a splint; 34. connecting a support rod; 35. adsorbing a magnet; 36. adsorbing the splint; 37. pasting with double-sided adhesive tape; 4. an expandable balloon; 5. an expansion sleeve; 6. an anti-blocking injection device; 61. a drug injection inner tube; 62. a medicine diffusion hole; 63. an inclined outer protecting pipe; 7. a conical tip section; 8. connecting a catheter seat; 9. protecting the antifouling structure; 91. a first antifouling cap; 92. a second antifouling cap; 93. a second connecting strip; 94. a first connecting strip; 95. positioning the mounting block; 10. a first connecting conduit port; 11. connecting the isolation blocks; 12. the second connecting conduit port; 13. a catheter body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: including filling with sufficient pipe 1, the middle part that fills with sufficient pipe 1 is provided with and fills with sufficient tub limit structure 3, the one end surface of filling with sufficient pipe 1 is provided with connects pipe seat 8, connect pipe seat 8's one end surface fixedly connected with No. two connection pipe mouths 12, the one end surface of No. two connection pipe mouths 12 is provided with protection antifouling structure 9, the other end surface of filling with sufficient pipe 1 is provided with connects outer tube 2, the one end surface of connecting outer tube 2 is provided with expandable sacculus 4, expandable sacculus 4's front end surface is provided with pipe main part 13, pipe main part 13's front end surface is provided with inflation cover 5, inflation cover 5's one end surface is provided with prevents stifled injection device 6.

The position of the filling tube 1 can be limited in different manners according to the medical environment, in this embodiment, preferably, a movable slip ring 31 is arranged on the outer surface of one side of the filling tube limiting structure 3, a connecting support rod 34 is arranged on the outer surface of one side of the movable slip ring 31, a detachable connecting buckle 32 is arranged between the movable slip ring 31 and the connecting support rod 34, an adhering clamp plate 33 is arranged on one side of the connecting support rod 34, a double-faced adhesive tape 37 is arranged on the outer surface of one side of the adhering clamp plate 33, an adsorbing clamp plate 36 is arranged on the outer surface of the other side of the connecting support rod 34, an adsorbing magnet 35 is fixedly arranged on the outer surface of one side of the adsorbing clamp plate 36, the outer surface of one side of the movable slip ring 31 is detachably connected with the outer surface of one end of the connecting support rod 34 through the detachable connecting buckle 32, a connecting bracket is arranged between the adhering clamp plate 33 and the connecting support rod 34, the outer surface of the other side of the, a second connecting bracket is arranged between the adsorption splint 36 and the connecting bracket rod 34, and the outer surface of the other side of the adsorption splint 36 is movably connected with the outer surface of the other side of the connecting bracket rod 34 through the second connecting bracket.

Can guarantee that the impact of injection medicine can not lead to the fact the impact to vascular inner wall, avoid the patient to appear uncomfortable and feel, in this embodiment, it is preferred, prevent that stifled injection medicine device 6's surface is provided with inclined plane outer pillar 63, and the one end external surface fixedly connected with of inclined plane outer pillar 63 annotates medicine inner tube 61, and the external surface fixedly connected with of medicine inner tube 61 spreads medicine hole 62.

Can guarantee the health of pipe connection port department, in this embodiment, it is preferred that the one end surface of protection antifouling structure 9 is provided with location installation piece 95, and one side surface of location installation piece 95 is provided with connecting strip 93 No. two, and the one end external surface fixed connection of connecting strip 93 has antifouling cap 92 No. two, and the opposite side surface of location installation piece 95 is provided with connecting strip 94 No. one, and the one end external surface fixed connection of connecting strip 94 has antifouling cap 91 No. one.

The integrity of the catheter is ensured, in the embodiment, preferably, the outer surface of one end of the anti-blocking injection device 6 is provided with a conical tip section 7, the outer surface of one end of the conical tip section 7 is fixedly connected with the outer surface of one end of the injection inner tube 61, and the outer surface of the other end of the injection inner tube 61 is fixedly connected with the outer surface of one end of the filling tube 1.

The function that can realize the pipe is various, and in this embodiment, preferred, the one end surface fixed connection of No. two connection pipe mouths 12 is connected pipe mouth 10 and is connected the spacer block 11 No. one, connect the spacer block 11 and be located No. one and connect between pipe mouth 10 and No. two connection pipe mouths 12, fix a position installation piece 95 and be connected and be provided with the installation between the spacer block 11 and detain the button, the button can be dismantled through the installation to the lower extreme surface of fix a position installation piece 95 and be connected the middle part surface of spacer block 11 and be connected.

The movable sliding ring 31 can limit the position of the filling tube 1 conveniently, in this embodiment, preferably, the inner diameter of the movable sliding ring 31 is smaller than the outer diameter of the filling tube 1, and the inner surface of the movable sliding ring 31 is movably connected with the outer surface of the middle part of the filling tube 1.

In this embodiment, preferably, the interior of the expandable balloon 4 is formed by alternately arranging valley peaks and valley bottoms, and a straight rod is disposed between the drug injection inner tube 61 and the expansion sleeve 5.

The working principle and the using process of the invention are as follows: in the heart interventional therapy operation, the saccule catheter is inserted into the narrow part of a blood vessel by a percutaneous puncture technology under the guidance of medical imaging equipment, the expandable saccule 4 is expanded and inflated under tight monitoring, so that the narrow part of the blood vessel is expanded, the aims of recovering the diameter of a lumen and accelerating the blood circulation are fulfilled, medical personnel can limit the position of the filling tube 1 to a place where the medical personnel cannot be hindered by the clamping action of the adsorption magnet 35, the double-faced adhesive tape 37 or the adhesive splint 33 and the adsorption splint 36 during the treatment, the phenomenon that the filling tube 1 is dragged to hinder the work of the medical personnel can be avoided, the position of the filling tube 1 can be limited to a certain position by selecting different modes according to the actual medical condition so as to facilitate the work of the medical personnel, when the medical personnel injects medicines, the operation can be directly performed through the catheter, can prevent by the outer pillar 63 of inclined plane from learning that the inside wall of tube from plugging up the laminating of diffusion medicine hole 62, can guarantee that the medicine can not cause any impact to the blood vessel to inject, avoid the uncomfortable condition to appear in the patient, after the treatment, medical personnel disinfect the pipe disinfection cleaning process, can cover antifouling cap 91 and No. two antifouling cap 92 on connecting pipe mouth 10 and No. two and be connected pipe mouth 12, can effectually prevent that port department that connecting pipe mouth 10 and No. two are connected pipe mouth 12 from being polluted, can guarantee the health of apparatus, can also have location installation piece 95 to limit antifouling cap 91 and No. two antifouling cap 92, avoid dropping and lose or drop and make dirty, can make things convenient for next time to use, be favorable to people's use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.