CN209900418U

CN209900418U - Drug coating protection balloon catheter

Info

Publication number: CN209900418U
Application number: CN201920055898.0U
Authority: CN
Inventors: 孙龙; 郝迎学; 张荣杰
Original assignee: First Affiliated Hospital of PLA Military Medical University
Current assignee: First Affiliated Hospital of PLA Military Medical University
Priority date: 2019-01-14
Filing date: 2019-01-14
Publication date: 2020-01-07
Anticipated expiration: 2029-01-14

Abstract

The utility model belongs to the technical field of the sacculus pipe technique and specifically relates to a medicine coating protection sacculus pipe, including the pipe body, the fixed block is installed to the one end of pipe body, and the below of fixed block is equipped with the fixed plate, and the below of fixed plate is equipped with the gusset plate, and one side that the pipe body was kept away from to the fixed block is equipped with the connecting pipe, and connecting pipe and pipe body intercommunication, the sacculus is installed to the end of connecting pipe, and the surface of sacculus is equipped with the medicine coating, and the pipe. The utility model discloses a gusset plate that sets up can fix the fixed block on patient's skin, and convenient fixed or dismantlement. On the other hand, the contact area with the skin of a patient is increased, the comfort of the patient is improved, the pain of the patient is relieved, the antibiotic can be released through the designed drug coating, the growth of abnormal cells can be inhibited, the restenosis of a treated blood vessel is prevented, the penetrating performance of the balloon through the blood vessel or the pathological changes is improved, and the market competitiveness is improved.

Description

Drug coating protection balloon catheter

Technical Field

The utility model relates to a sacculus pipe technical field specifically is a medicine coating protection sacculus pipe.

Background

At present, with the wide application of intravascular intervention or implantation, the problem of postoperative restenosis of blood vessels is more and more emphasized by people. The balloon catheter is adopted to carry out operation in the field of cardiovascular treatment, when the balloon catheter is deflated, the balloon is contracted, the problem of restenosis is easily caused, and the balloon catheter is inconvenient to fix in use, so that a great deal of inconvenience is brought to medical staff. In view of this, we propose a drug-coated protective balloon catheter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medicine coating protects sacculus pipe to the sacculus pipe that proposes in solving above-mentioned background art is when using, easily produces restenosis and inconvenient fixed problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a medicine coating protection sacculus pipe, includes the pipe body, the fixed block is installed to the one end of pipe body, the below of fixed block is equipped with the fixed plate, the below of fixed plate is equipped with the gusset plate, the fixed block is kept away from one side of pipe body is equipped with the connecting pipe, the connecting pipe with pipe body intercommunication, the sacculus is installed to the end of connecting pipe, the surface of sacculus is equipped with the medicine coating, the pipe seat is installed to another tip of pipe body, the both sides of pipe seat are equipped with branch extension board.

Preferably, the circumferential outer wall of the end part of the catheter body is provided with a first external thread, the left side wall of the fixing block is provided with a first threaded hole, and the catheter body is screwed in the first threaded hole.

Preferably, the circumferential outer wall at the tail end of the connecting pipe is provided with a second external thread, the side wall of the balloon is provided with a second threaded hole, and the second external thread is in threaded connection with the second threaded hole.

Preferably, the fixing block and the fixing plate are of an integrally formed structure.

Preferably, the reinforcing plate is a silica gel plate, and a groove is formed in the lower surface of the reinforcing plate, so that the reinforcing plate can be adsorbed on the skin of a patient.

Preferably, the connecting pipe is close to be equipped with solid fixed ring on the tip of fixed block, gu be equipped with on the fixed ring with the second through-hole that the connecting pipe is linked together, gu fixed ring bonds and is fixed in on the fixed block, the second through-hole with the pipe body is linked together.

Preferably, first through holes are symmetrically formed in two sides of the fixing plate, and third through holes are formed in the branch supporting plate.

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

the utility model discloses a gusset plate that sets up can fix the fixed block on patient's skin, and convenient fixed or dismantlement, on the other hand has increased the area of contact with patient's skin, is favorable to improving patient's travelling comfort, alleviates patient's ailment. Secondly, the designed drug coating can release antibiotics, can inhibit the growth of abnormal cells, further prevent and treat vascular restenosis, improve the penetrating performance of the saccule through blood vessels or pathological changes, and is beneficial to improving the market competitiveness.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the catheter body and the fixing block of the present invention;

fig. 3 is a schematic view of the connection structure of the middle connection tube and the balloon of the present invention.

In the figure: 1. a catheter body; 10. a first external thread; 2. a fixed block; 20. a first threaded hole; 3. a fixing plate; 30. a first through hole; 4. a reinforcing plate; 5. a connecting pipe; 50. a fixing ring; 501. a second through hole; 51. a second external thread; 6. a balloon; 60. coating; 61. a second threaded hole; 7. a catheter hub; 8. a branch support plate; 80. a third via.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

Example 1:

a medicine coating protection balloon catheter is shown in figure 1 and comprises a catheter body 1, wherein a fixing block 2 is installed at one end of the catheter body 1, a fixing plate 3 is arranged below the fixing block 2, and a reinforcing plate 4 is arranged below the fixing plate 3. One side of the fixed block 2, which is far away from the catheter body 1, is provided with a connecting pipe 5, and the connecting pipe 5 is communicated with the catheter body 1. The tail end of the connecting pipe 5 is provided with a sacculus 6, and the outer surface of the sacculus 6 is provided with a medicine coating 60. A catheter seat 7 is arranged at the other end of the catheter body 1, and branch plates 8 are arranged at two sides of the catheter seat 7.

In this embodiment, the fixing block 2 and the fixing plate 3 are integrally formed. First through holes 30 are symmetrically formed at both sides of the fixing plate 3, and the reinforcing plate 4 can be mounted on the fixing plate 3 through the first through holes 30. The reinforcing plate 4 is made of silica gel materials, and the silica gel is easily attached to the skin of a human body, so that the comfort of a patient is improved. On the other hand, all be equipped with the recess on the upper and lower surface of gusset plate 4 to make gusset plate 4 can adsorb on patient's skin, convenient fixed or dismantlement.

Further, the end part, close to the fixed block 2, of the connecting pipe 5 is provided with a fixing ring 50, the fixing ring 50 is provided with a second through hole 501 communicated with the connecting pipe 5, the fixing ring 50 and the fixed block 2 are bonded and fixed through glue, and then the second through hole 501 is communicated with the catheter body 1, so that the catheter body 1 is communicated with the connecting pipe 5, and the balloon 6 is conveniently and subsequently inflated.

Specifically, the drug coating 60 can release antibiotics, inhibit the growth of abnormal cells, and prevent the blood vessel from being blocked, thereby preventing the treatment of the restenosis of the blood vessel and improving the crossing performance of the balloon 6 through the blood vessel or lesion.

It is noted that the contact area of the human body is increased by the catheter hub 7 and the branch plate 8. The branch support plate 8 is provided with a third through hole 80, and medical staff can conveniently thread or fix the catheter base 7 through the third through hole 80.

Example 2:

as a second embodiment of the present invention, in order to detach or attach the connecting tube 5 and the balloon 6, the present inventors made an improvement to the connecting tube 5 and the balloon 6. As a preferred embodiment, as shown in fig. 2 and 3, the circumferential outer wall of the end of the catheter body 1 is provided with a first external thread 10, the left side wall of the fixing block 2 is provided with a first threaded hole 20, and the first threaded hole 20 is communicated with the second through hole 501 of the fixing ring 50. The outer wall of the circumference of the tail end of the connecting pipe 5 is provided with a second external thread 51, and the side wall of the balloon 6 is provided with a second threaded hole 61.

In this embodiment, the balloon 6 is made of a nylon material, so that the balloon 6 can be ensured to be better expanded or contracted, and the subsequent inflation or deflation of the balloon 6 is facilitated.

Further, the catheter body 1 is screwed in the first threaded hole 20, and the first external thread 10 and the thread on the inner wall of the first threaded hole 20 are matched to act force, so that the catheter body 1 can move along the inner wall of the first threaded hole 20 until the catheter body is separated from the first threaded hole 20, and the catheter body 1 can be detached from the fixed block 2 or the catheter body 1 is installed on the fixed block 2 conveniently.

Specifically, the second external thread 51 is in threaded connection with the second threaded hole 61, and the second external thread 51 is engaged with the threads on the inner wall of the second threaded hole 61 to move the connecting pipe 5 along the inner wall of the second threaded hole 61 until the connecting pipe 5 is separated from the second threaded hole 61, so that the connecting pipe 5 can be detached from the balloon 6 or the connecting pipe 5 is mounted on the balloon 6.

In addition, the first external thread 10 is matched with the thread on the inner wall of the second threaded hole 61, so that the catheter body 1 can be directly mounted on the balloon 6 in the following process.

The utility model discloses a medicine coating protection sacculus pipe is when fixed, at first, presses fixed block 2, makes fixed block 2 pass through 3 extrusion gusset plates 4 of fixed plate, makes the gas in the recess of 4 below gusset plates scattered all around, closely laminates with patient's skin, reaches the purpose of adsorbing gusset plate 4 on patient's skin to this fixes fixed block 2 on human skin, makes things convenient for follow-up dismantlement fixed block 2.

When the fixed block 2 needs to be disassembled, the catheter body 1 can be rotated, the catheter body 1 can move along the inner wall of the first threaded hole 20 through the acting force of the fit between the first external thread 10 and the thread on the inner wall of the first threaded hole 20 until the catheter body is separated from the first threaded hole 20, the catheter body 1 can be disassembled from the fixed block 2, further, the balloon 6 is rotated, the connecting pipe 5 can move along the inner wall of the second threaded hole 61 through the acting force of the fit between the second external thread 51 and the thread on the inner wall of the second threaded hole 61 until the connecting pipe 5 is separated from the second threaded hole 61, the connecting pipe 5 can be disassembled from the balloon 6, then, the balloon 6 can be rotated, the acting force is generated through the fit between the first external thread 10 and the thread on the inner wall of the second threaded hole 61, the catheter body 1 can move along the inner wall of the second threaded hole 61, and the catheter body 1 can, is convenient for subsequent medical staff to use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A drug coating protection balloon catheter is characterized in that: including pipe body (1), fixed block (2) are installed to the one end of pipe body (1), the below of fixed block (2) is equipped with fixed plate (3), the below of fixed plate (3) is equipped with gusset plate (4), keep away from fixed block (2) one side of pipe body (1) is equipped with connecting pipe (5), connecting pipe (5) with pipe body (1) intercommunication, sacculus (6) are installed to the end of connecting pipe (5), the surface of sacculus (6) is equipped with medicine coating (60), pipe seat (7) are installed to another tip of pipe body (1), the both sides of pipe seat (7) are equipped with branch extension board (8).

2. The drug-coated protective balloon catheter of claim 1, wherein: the catheter is characterized in that a first external thread (10) is arranged on the circumferential outer wall of the end portion of the catheter body (1), a first threaded hole (20) is formed in the left side wall of the fixing block (2), and the catheter body (1) is screwed in the first threaded hole (20).

3. The drug-coated protective balloon catheter of claim 1, wherein: the outer wall of the circumference of the tail end of the connecting pipe (5) is provided with a second external thread (51), the side wall of the balloon (6) is provided with a second threaded hole (61), and the second external thread (51) is in threaded connection with the second threaded hole (61).

4. The drug-coated protective balloon catheter of claim 1, wherein: the fixing block (2) and the fixing plate (3) are of an integrally formed structure.

5. The drug-coated protective balloon catheter of claim 1, wherein: the reinforcing plate (4) is a silica gel plate, and a groove is formed in the lower surface of the reinforcing plate (4) so that the reinforcing plate (4) can be adsorbed on the skin of a patient.

6. The drug-coated protective balloon catheter according to claim 1, wherein a fixing ring (50) is arranged on the end portion, close to the fixing block (2), of the connecting pipe (5), a second through hole (501) communicated with the connecting pipe (5) is arranged on the fixing ring (50), the fixing ring (50) is fixedly bonded on the fixing block (2), and the second through hole (501) is communicated with the catheter body (1).

7. The drug coating protection balloon catheter as claimed in claim 1, wherein the fixing plate (3) is symmetrically provided with first through holes (30) at both sides thereof, and the branch plate (8) is provided with third through holes (80).