CN211158062U - Intracardiac branch of academic or vocational study sacculus pipe - Google Patents

Abstract

The utility model belongs to the technical field of medical devices, and discloses a balloon catheter for cardiology, which comprises a syringe, a drug feeding tube is installed on the side wall of the syringe, and a positioning wing is installed on the outer wall of one end of the syringe, and the positioning wing is far away from the One end of the syringe is connected with a catheter, one end of the catheter away from the positioning wing is installed with a balloon, one end of the balloon away from the catheter is fixed with a guide head, and one end of the balloon close to the side of the catheter is connected with an inflatable ball through a hose , the outer wall of the balloon is sleeved with an elastic sleeve, and a cotton pad is installed inside the elastic sleeve. The utility model makes the medicinal liquid flow out through the diversion hole and is immersed into the cotton pad in the elastic sleeve, and then the cotton pad absorbs the medicine The liquid quickly spreads around, and then the liquid on the cotton pad interacts with the inner wall of the cardiovascular through the micropores, so that the liquid can be evenly applied to the inner wall of the blood vessel, avoiding the pain caused by direct spraying, and improving the comfort.

Description

Cardiology balloon catheter

technical field

The utility model belongs to the technical field of medical devices, in particular to a balloon catheter for cardiology.

Background technique

Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are directly or indirectly used in the human body, including required computer software. The utility is mainly obtained through physical methods, not through Obtained by pharmacological, immunological or metabolic means, or although these means are involved but only for auxiliary purposes, for the purpose of diagnosis, prevention, monitoring, treatment or alleviation of disease, and to provide information for medical or diagnostic purposes.

In the Chinese patent with the patent number of CN201820138589.5, a balloon catheter for cardiology is disclosed. In this patent, medicinal liquid is input through the exhaust pipe and flows out from the guide port through the balloon, so as to carry out drug treatment on the cardiovascular place, but Because the liquid medicine directly flows out of the guide port and cannot be uniformly applied to the inner wall of the blood vessel at the balloon, at the same time, because the blood vessels are fragile and sensitive, the direct injection of the liquid medicine is prone to pain, thus affecting the treatment effect. In addition, the device is not provided to facilitate the separation of the ball. The structure of the balloon usually needs to be sterilized or discarded for recycling in order to prevent cross-infection, and the entire device structure is long and inconvenient to handle, which affects the work efficiency.

Utility model content

The purpose of the present utility model is to provide a balloon catheter for cardiology, so as to solve the problems of poor medicinal liquid injection effect proposed in the above-mentioned background art, and the lack of a structure that facilitates separation of the balloon.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cardiology balloon catheter, comprising a syringe, the side wall of the syringe is provided with a drug feeding tube, and a positioning wing is installed on the outer wall of one end of the syringe, and the positioning wing is One end away from the syringe is connected with a catheter, one end of the catheter away from the positioning wing is installed with a balloon, one end of the balloon away from the catheter is fixed with a guide head, and one end of the balloon close to the catheter is connected with an inflatable tube through a hose. Ball, the outer wall of the balloon is sleeved with an elastic sleeve, a cotton pad is installed inside the elastic sleeve, and the inner and outer walls of the elastic sleeve are provided with micro-holes, and the outer walls of the catheter and the guide head are located in the balloon. A guide hole is provided at the position between the elastic sleeve and the elastic sleeve.

Preferably, a snap ring is installed on the side of the positioning wing away from the syringe, a positioning block is fixed on the outer wall of one end of the conduit close to the snap ring, and the side wall of the positioning block is provided with a snap groove matching the snap ring, and the positioning A limit slot is set between the inner wall and the outer wall of the block, a limit block is installed inside the limit slot, and a connecting ring is connected between the limit block and the positioning wing.

Preferably, both the balloon and the elastic sleeve have an elliptical structure, and the vertical cross-sectional diameter of the balloon is smaller than the vertical cross-sectional diameter of the elastic sleeve.

Preferably, a sealing gasket is installed on the inner wall of the card slot, and an anti-skid groove is formed on the outer wall of the sealing gasket.

Preferably, fixing rings are installed on both ends of the side wall of the positioning wing, and both fixing rings are located on one side of the syringe.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) The utility model makes the medicinal liquid flow out through the diversion hole and is immersed on the cotton pad in the elastic sleeve, then the cotton pad absorbs the medicinal liquid and spreads to the surrounding rapidly, and then the medicinal liquid on the cotton pad is connected to the inner wall of the cardiovascular system through the micropores Therefore, the liquid medicine can be evenly applied to the inner wall of the blood vessel, the pain caused by direct spraying is avoided, and the comfort is improved.

(2) The utility model drives the connecting ring to move by pulling the positioning block, and then the connecting ring drives the limiting block to slide in the limiting groove, so that the snap ring and the snap groove are separated from each other, and then the positioning block is rotated to separate the positioning block and the positioning block. Wings can separate the balloon, the operation is simple and convenient, and the work efficiency is improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the utility model elastic sleeve;

Fig. 3 is the structural schematic diagram of the utility model when the locating wing is connected with the locating block;

Fig. 4 is an enlarged view of part A in Fig. 3;

In the figure: 1. Injecting tube; 2. Fixing ring; 3. Positioning block; 4. Catheter; 5. Balloon; 6. Elastic sleeve; 7. Cotton pad; 8. Guide head; 9. Diversion hole; 10 , inflatable ball; 11, positioning wing; 12, syringe; 13, micro hole; 14, snap ring; 15, snap groove; 16, gasket; 17, limit groove; 18, limit block; 19, connecting ring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 4 , the present utility model provides the following technical solutions: a balloon catheter for cardiology, including a syringe 12, a medicine feeding tube 1 is installed on the side wall of the syringe 12, and the syringe 1 is convenient for the syringe 12 is filled with liquid medicine, so as to ensure the continuous uninterrupted medicine, and the outer wall of one end of the syringe 12 is equipped with a positioning wing 11, and one end of the positioning wing 11 away from the syringe 12 is connected with a catheter 4, and one end of the catheter 4 away from the positioning wing 11 is installed with a catheter 4. The balloon 5, one end of the balloon 5 away from the catheter 4 is fixed with a guide head 8, and one end of the balloon 5 close to the catheter 4 is connected with an inflatable ball 10 through a hose, and the outer wall of the balloon 5 is sleeved with an elastic sleeve 6 , a cotton pad 7 is installed inside the elastic sleeve 6, and the inner and outer walls of the elastic sleeve 6 are provided with micro-holes 13, and the outer walls of the catheter 4 and the guide head 8 are located between the balloon 5 and the elastic sleeve 6. A guide hole 9 is provided. When the medicine needs to be input, the medicine liquid is injected into the catheter 4 through the syringe 12, and then the medicine liquid flows into the balloon 5 and flows out from the guide head 8, and the medicine liquid flows out through the guide hole 9 at the same time. And immersed on the cotton pad 7 in the elastic sleeve 6, then the cotton pad 7 absorbs the medicinal liquid and rapidly spreads around, and then the medicinal liquid on the cotton pad 7 interacts with the inner wall of the cardiovascular system through the micropores 13, and then can affect the inner wall of the blood vessel. Evenly spread the liquid medicine, avoid the pain caused by direct spraying, and improve the comfort.

Further, a snap ring 14 is installed on the side of the positioning wing 11 away from the syringe 12 , a positioning block 3 is fixed on the outer wall of one end of the catheter 4 close to the snap ring 14 , and the side wall of the positioning block 3 is provided with a snap ring 14 . , and a limit slot 17 is set between the inner wall and the outer wall of the positioning block 3, a limit block 18 is installed inside the limit slot 17, and a connecting ring 19 is connected between the limit block 18 and the positioning wing 11. By pulling the positioning block 3 It drives the connecting ring 19 to move, and then the connecting ring 19 drives the limit block 18 to slide in the limit slot 17, so that the snap ring 14 and the snap slot 15 are separated from each other, and then the positioning block 3 is rotated to separate the positioning block 3 and the positioning wing. 11, the balloon 5 can be separated, the operation is simple and convenient, and the work efficiency is improved.

Further, both the balloon 5 and the elastic sleeve 6 have an elliptical structure, and the vertical cross-sectional diameter of the balloon 5 is smaller than the vertical cross-sectional diameter of the elastic sleeve 6 .

Specifically, a sealing gasket 16 is installed on the inner wall of the card slot 15 , and the sealing gasket 16 plays a role of sealing and preventing leakage, and an anti-skid groove is formed on the outer wall of the sealing gasket 16 .

Specifically, both ends of the side wall of the positioning wing 11 are installed with fixing rings 2 , the fixing rings 2 play the role of facilitating the lifting of the positioning wing 11 , and both fixing rings 2 are located on one side of the syringe 12 .

The working principle and use process of the utility model: when the utility model is in use, first, the doctor puts the balloon 5 on the patient's cardiovascular place during the operation, and inflates the balloon 5 by pressing the inflatable ball 10, so that the balloon 5 is inflated. It can support the inner wall of the blood vessel to loosen and expand, so that it is convenient for the doctor to perform surgical treatment. When the medicine needs to be input, the medicine liquid is injected into the catheter 4 through the syringe 12, and then the medicine liquid flows into the balloon 5 and flows from the guide head 8. Outflow, while the medicinal liquid flows out through the guide hole 9 and is immersed on the cotton pad 7 in the elastic sleeve 6, after which the cotton pad 7 absorbs the medicinal liquid and spreads to the surrounding rapidly, and then the medicinal liquid on the cotton pad 7 passes through the micropore 13. The inner wall of the cardiovascular system interacts with the inner wall of the blood vessel, so that the inner wall of the blood vessel can be evenly applied with the liquid medicine, which avoids the pain caused by direct spraying and improves the comfort. Then, by pulling the positioning block 3, it drives the connecting ring 19 to move, and then the connecting ring 19 drives the limiting block 18 to slide in the limiting groove 17, so that the snap ring 14 and the snap groove 15 are separated from each other, and then the positioning block 3 is rotated to separate. The positioning block 3 and the positioning wings 11 can be separated from the balloon 5, the operation is simple and convenient, and finally the device can be easily sterilized.

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

Claims (5)

1. a cardiology balloon catheter, is characterized in that: comprise syringe (12), the side wall of described syringe (12) is installed with medicine feeding tube (1), and one end outer wall of syringe (12) is installed with positioning wing (11), a catheter (4) is connected to one end of the positioning wing (11) away from the syringe (12), and a balloon (5) is installed at one end of the catheter (4) away from the positioning wing (11). One end of the balloon (5) away from the catheter (4) is fixed with a guide head (8), and one end of the balloon (5) close to the side of the catheter (4) is connected with an inflatable ball (10) through a hose, the balloon The outer wall of (5) is provided with an elastic sleeve (6), a cotton pad (7) is installed inside the elastic sleeve (6), and the inner wall and the outer wall of the elastic sleeve (6) are provided with micro-holes (13), Guide holes (9) are provided on the outer walls of the catheter (4) and the guide head (8) and at the positions between the balloon (5) and the elastic sleeve (6). 2. A cardiology balloon catheter according to claim 1, characterized in that: a snap ring (14) is installed on the side of the positioning wing (11) away from the syringe (12), and the catheter (4) A positioning block (3) is fixed on the outer wall of one end close to the snap ring (14), the side wall of the positioning block (3) is provided with a snap groove (15) matching with the snap ring (14), and the A limit slot (17) is set between the inner wall and the outer wall, a limit block (18) is installed inside the limit slot (17), and a connection is connected between the limit block (18) and the positioning wing (11) Ring (19). 3. A cardiology balloon catheter according to claim 1, characterized in that: the balloon (5) and the elastic sleeve (6) are both elliptical structures, and the vertical cross-sectional diameter of the balloon (5) is smaller than The vertical section diameter of the elastic sleeve (6). 4 . The cardiology balloon catheter according to claim 2 , wherein a sealing gasket ( 16 ) is installed on the inner wall of the snap groove ( 15 ), and a non-slip anti-slip function is provided on the outer wall of the sealing gasket ( 16 ). 5 . groove. 5. A cardiology balloon catheter according to claim 1, characterized in that: both ends of the side wall of the positioning wing (11) are provided with fixing rings (2), and the two fixing rings (2) Both are located on one side of the syringe (12).

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