CN213374650U - Medicinal balloon dilatation catheter without blocking coronary blood flow - Google Patents
Medicinal balloon dilatation catheter without blocking coronary blood flow Download PDFInfo
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- CN213374650U CN213374650U CN202021813738.7U CN202021813738U CN213374650U CN 213374650 U CN213374650 U CN 213374650U CN 202021813738 U CN202021813738 U CN 202021813738U CN 213374650 U CN213374650 U CN 213374650U
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- sacculus
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Abstract
The utility model discloses a do not block medicine sacculus expansion pipe of coronary artery blood flow relates to medical instrument technical field, including pipe body and siphunculus, the inside intermediate position department fixedly connected with siphunculus of pipe body. The utility model discloses a be provided with safety protection structure, safety protection structure includes first sacculus, first sacculus sets up the inside at the second sacculus, first sacculus and pipe body fixed connection, be provided with the through-hole on the lateral wall of pipe body one side, when using, through the inside first sacculus that sets up of second sacculus, no matter whether the second sacculus is damaged like this can both prop up the second sacculus through first sacculus, make the medicine act on at patient's vascular inner wall, if first sacculus is at the inflation in-process because the too big blasting of pressure boost, the atmospheric pressure that the second sacculus can avoid blasting to produce the damage to patient's blood vessel, can greatly increased the security performance in this medicine sacculus expansion pipe use like this, the practicality is stronger.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a drug balloon dilatation catheter which does not block coronary blood flow.
Background
The medical balloon dilatation catheter is a very common medical instrument and is mainly used for stenosis dilatation treatment, and with the continuous development and progress of the technology, the medical balloon dilatation catheter can be used for stenosis dilatation treatment under the condition that coronary blood flow is not blocked, so that the medical balloon dilatation catheter which does not block coronary blood flow appears, but the existing medical balloon dilatation catheter which does not block coronary blood flow still has some problems and defects.
The inventor finds that the traditional medicinal balloon dilatation catheter which does not block coronary blood flow has at least the following problems which are not solved:
(1) if the balloon is damaged during expansion, the blood vessel of the patient is damaged, so that certain danger exists;
(2) when the catheter is introduced into the blood vessel of a patient, the inner wall of the blood vessel of the patient is easily scratched, and the catheter is inconvenient to use;
(3) the assembly and the use are more complicated and the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a do not block medicine sacculus expansion pipe of coronary artery blood flow to provide if the sacculus appears the damage and will cause the damage to patient's blood vessel when the inflation in solving above-mentioned background art, the not strong problem of practicality.
In order to achieve the above object, the utility model provides a following technical scheme: a medicine balloon dilatation catheter without blocking coronary blood flow comprises a catheter body and a through pipe, wherein the through pipe is fixedly connected at the middle position inside the catheter body, a cavity is arranged between the catheter body and the through pipe, one side outside the catheter body is fixedly connected with a second balloon, a medicine coating is arranged on the outer side wall of the second balloon, protective heads are respectively arranged on two sides of the through pipe, an inflation inlet is fixedly connected to the top end of one side of the catheter body, an inflation pipe is arranged at one end of the inflation inlet, a convenient assembly structure is arranged between the inflation inlet and the inflation pipe, and a safety protection structure is arranged inside the second balloon;
the safety protection structure comprises a first balloon, the first balloon is arranged inside a second balloon and fixedly connected with the catheter body, and a through hole is formed in the side wall of one side of the catheter body.
Preferably, the central point of the through hole is on the same vertical plane with the central points of the first balloon and the second balloon.
Preferably, both ends of the through pipe respectively penetrate through the outside of the catheter body, and the outer diameter of the protection head is smaller than that of the catheter body.
Preferably, the assembly structure of being convenient for comprises first connecting block, second connecting block, sealing washer, seal groove, hole, elastic fixation area, joint piece and joint groove, first connecting block fixed connection is at the output of gas tube, second connecting block fixed connection is at the input of inflation inlet, the inside intermediate position department of first connecting block and second connecting block is provided with the hole, the outside fixedly connected with sealing washer of first connecting block bottom, the inside in the second connecting block top outside is provided with the seal groove, the outside fixedly connected with elastic fixation area of first connecting block, one side fixedly connected with joint piece of elastic fixation area, be provided with the joint groove on the lateral wall that the second connecting block is close to bottom position department.
Preferably, the first connecting block and the second connecting block are equal in size, and the sealing ring is embedded in the sealing groove.
Preferably, the outer diameter of the clamping block is smaller than the inner diameter of the clamping groove, and a clamping structure is formed between the clamping block and the clamping groove.
Compared with the prior art, the utility model discloses a do not block medicine sacculus expansion pipe of coronary artery blood flow has not only realized if the sacculus appears the damage when the inflation and can not cause the damage to patient's blood vessel, and the practicality is stronger, has realized being difficult to the vascular inner wall of scratch patient when leading-in this pipe in patient's blood vessel, and it is comparatively convenient to use, has realized moreover that the equipment is used comparatively simply convenient to use. Specifically, the utility model discloses at least, have following advantage:
(1) by arranging the safety protection structure which comprises the first balloon, the first balloon is arranged inside the second balloon, the first balloon is fixedly connected with the catheter body, the side wall on one side of the catheter body is provided with the through hole, when the safety protection structure is used, the first balloon arranged inside the second balloon can support the second balloon through the first balloon no matter whether the second balloon is damaged or not, so that the medicine acts on the inner wall of the blood vessel of a patient, if the first balloon is exploded due to excessive pressurization in the expansion process, the second balloon can avoid the air pressure generated by explosion from damaging the blood vessel of the patient, and thus the safety performance of the medicine balloon expansion catheter in the use process can be greatly improved;
(2) the protective heads are respectively arranged on the two sides of the through pipe, so that when the drug balloon dilatation catheter is used, the protective heads can prevent the two ends of the through pipe from scratching the inner wall of a blood vessel in the process of guiding the drug balloon dilatation catheter into the blood vessel of a patient, the inner wall of the blood vessel of the patient is protected, the drug balloon dilatation catheter can be smoothly guided into the blood vessel of the patient, and the use is convenient;
(3) through being provided with first connecting block, the second connecting block, the sealing washer, the seal groove, the hole, the elastic fixation area, joint piece and joint groove, when using, with first connecting block and second connecting block concatenation together, the sealing washer tightly inlays the inside at the seal groove this moment, seal up the junction of first connecting block and second connecting block, avoid gas leakage, then stretch the elastic fixation area, make the joint piece joint in the inside of joint groove, just so can be in the same place first connecting block and second connecting block are fixed, thereby can make the gas tube inflate the inside of medicine sacculus expansion pipe, it is very simple to assemble, and convenient to use.
Drawings
Fig. 1 is a schematic view of a front view partial section structure of the present invention;
FIG. 2 is a schematic view of an enlarged partial cross-section of the easy-to-assemble structure of the present invention;
FIG. 3 is an enlarged side view of the partial cross-section of the present invention;
fig. 4 is a schematic view of the first connecting block of the present invention.
In the figure: 1. a catheter body; 2. pipe passing; 3. a cavity; 4. a first balloon; 5. a second balloon; 6. a protective head; 7. a drug coating; 8. an inflation inlet; 9. the structure is convenient to assemble; 10. an inflation tube; 11. a through hole;
901. a first connection block; 902. a second connecting block; 903. a seal ring; 904. a sealing groove; 905. an inner bore; 906. an elastic fixing band; 907. a clamping block; 908. a clamping groove.
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.
Referring to fig. 1-4, a drug balloon dilatation catheter without coronary blood flow blockage comprises a catheter body 1 and a through tube 2, the through tube 2 is fixedly connected at the middle position inside the catheter body 1, a cavity 3 is arranged between the catheter body 1 and the through tube 2, one side outside the catheter body 1 is fixedly connected with a second balloon 5, a drug coating 7 is arranged on the outer side wall of the second balloon 5, an inflation inlet 8 is fixedly connected to the top end of one side of the catheter body 1, an inflation tube 10 is arranged at one end of the inflation inlet 8, an assembly facilitating structure 9 is arranged between the inflation inlet 8 and the inflation tube 10, and a safety protection structure is arranged inside the second balloon 5;
referring to fig. 1-4, the drug balloon dilatation catheter of the present invention further comprises a safety protection structure, the safety protection structure comprises a first balloon 4, the first balloon 4 is disposed inside a second balloon 5, the first balloon 4 is fixedly connected with the catheter body 1, and a through hole 11 is disposed on the side wall of one side of the catheter body 1;
the central point of the through hole 11 is on the same vertical plane with the central points of the first balloon 4 and the second balloon 5 respectively;
specifically, as shown in fig. 1 and fig. 3, when the medical balloon dilatation catheter is used, the first balloon 4 arranged inside the second balloon 5 can support the second balloon 5 through the first balloon 4 no matter whether the second balloon 5 is damaged or not, so that the medicine acts on the inner wall of the blood vessel of a patient, if the first balloon 4 is exploded due to the excessive pressurization in the expansion process, the second balloon 5 can avoid the air pressure generated by the explosion from damaging the blood vessel of the patient, so that the safety performance of the medical balloon dilatation catheter in the use process can be greatly improved, and the practicability is strong.
The two sides of the through pipe 2 are respectively provided with a protective head 6, the two ends of the through pipe 2 respectively penetrate through the outside of the catheter body 1, and the outer diameter of the protective heads 6 is smaller than that of the catheter body 1;
specifically, as shown in fig. 1, when the medical balloon dilatation catheter is used, the protective head 6 can prevent the two ends of the through pipe 2 from scratching the inner wall of the blood vessel, so that the inner wall of the blood vessel of the patient is protected, the medical balloon dilatation catheter can be smoothly guided into the blood vessel of the patient, and the use is convenient.
The assembly facilitating structure 9 is composed of a first connecting block 901, a second connecting block 902, a sealing ring 903, a sealing groove 904, an inner hole 905, an elastic fixing band 906, a clamping block 907 and a clamping groove 908, the first connecting block 901 is fixedly connected to the output end of the inflation tube 10, the second connecting block 902 is fixedly connected to the input end of the inflation inlet 8, the inner hole 905 is arranged at the middle position inside the first connecting block 901 and the second connecting block 902, the sealing ring 903 is fixedly connected to the outer side of the bottom end of the first connecting block 901, the sealing groove 904 is arranged inside the outer side of the top end of the second connecting block 902, the elastic fixing band 906 is fixedly connected to the outside of the first connecting block 901, the clamping block 907 is fixedly connected to one side of the elastic fixing band 906, and the clamping groove 908 is arranged on the outer;
the first connecting block 901 and the second connecting block 902 are equal in size, and a sealing ring 903 is embedded in the sealing groove 904;
the outer diameter of the clamping block 907 is smaller than the inner diameter of the clamping groove 908, and a clamping structure is formed between the clamping block 907 and the clamping groove 908;
specifically, as shown in fig. 1, fig. 2 and fig. 4, when the inflation tube 10 is used, the first connection block 901 and the second connection block 902 are spliced together, the sealing ring 903 is tightly embedded in the sealing groove 904 at this time, the joint of the first connection block 901 and the second connection block 902 is sealed, air leakage is avoided, the elastic fixing band 906 is stretched, and the clamping block 907 is clamped in the clamping groove 908, so that the first connection block 901 and the second connection block 902 can be fixed together, and the inflation tube 10 can inflate the inside of the drug balloon dilatation catheter, and the inflation tube is very simple to assemble and convenient to use.
The working principle is as follows: the utility model discloses when using, at first, through the inside first sacculus 4 that sets up of second sacculus 5, no matter whether second sacculus 5 is damaged like this can both prop up second sacculus 5 through first sacculus 4, make the medicine act on at patient's vascular inner wall, if first sacculus 4 is because the too big blasting of pressure boost in the inflation process, the atmospheric pressure that second sacculus 5 can avoid blasting to produce harms to patient's blood vessel, the security performance in this medicine sacculus expansion pipe use of like this can greatly increased, the practicality is stronger.
Later, when using, this medicine sacculus expansion pipe leading-in patient's vascular in-process, protection head 6 can avoid the both ends of siphunculus 2 to cause the scratch to the inner wall of blood vessel to protect patient's blood vessel's inner wall, make inside medicine sacculus expansion pipe can lead to patient's blood vessel smoothly, it is comparatively convenient to use.
Finally, when using, splice first connecting block 901 and second connecting block 902 together, sealing washer 903 tightly inlays in the inside of seal groove 904 this moment, seal the junction of first connecting block 901 and second connecting block 902, avoid gas leakage, then stretch elastic fixation area 906, make the inside of joint piece 907 joint in joint groove 908, just so can be together fixed first connecting block 901 and second connecting block 902, thereby can make gas tube 10 inflate the inside of medicine sacculus expansion pipe, it is very simple to assemble, convenient to use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a do not block medicine sacculus expansion pipe of coronary artery blood flow, includes pipe body (1) and siphunculus (2), its characterized in that: a through pipe (2) is fixedly connected to the middle position inside the catheter body (1), a cavity (3) is arranged between the catheter body (1) and the through pipe (2), a second balloon (5) is fixedly connected to one side of the outside of the catheter body (1), a medicine coating (7) is arranged on the outer side wall of the second balloon (5), protective heads (6) are respectively arranged on two sides of the through pipe (2), an inflation inlet (8) is fixedly connected to the top end of one side of the catheter body (1), an inflation pipe (10) is arranged at one end of the inflation inlet (8), a convenient assembly structure (9) is arranged between the inflation inlet (8) and the inflation pipe (10), and a safety protection structure is arranged inside the second balloon (5);
the safety protection structure comprises a first balloon (4), the first balloon (4) is arranged inside a second balloon (5), the first balloon (4) is fixedly connected with the catheter body (1), and a through hole (11) is formed in the side wall of one side of the catheter body (1).
2. The balloon dilatation catheter of claim 1 wherein the balloon dilatation catheter comprises: the central points of the through holes (11) are respectively on the same vertical plane with the central points of the first balloon (4) and the second balloon (5).
3. The balloon dilatation catheter of claim 1 wherein the balloon dilatation catheter comprises: the two ends of the through pipe (2) penetrate through the outside of the guide pipe body (1) respectively, and the outer diameter of the protection head (6) is smaller than that of the guide pipe body (1).
4. The balloon dilatation catheter of claim 1 wherein the balloon dilatation catheter comprises: the structure (9) convenient to assemble is composed of a first connecting block (901), a second connecting block (902), a sealing ring (903), a sealing groove (904), an inner hole (905), an elastic fixing band (906), a clamping block (907) and a clamping groove (908), the first connecting block (901) is fixedly connected with the output end of the inflation tube (10), the second connecting block (902) is fixedly connected with the input end of the inflation inlet (8), the inner hole (905) is arranged at the middle position of the inner parts of the first connecting block (901) and the second connecting block (902), the sealing ring (903) is fixedly connected with the outer side of the bottom end of the first connecting block (901), the sealing groove (904) is arranged in the outer side of the top end of the second connecting block (902), the elastic fixing band (906) is fixedly connected with the outer part of the first connecting block (901), the clamping block (907) is fixedly connected with one side of the elastic fixing, and a clamping groove (908) is formed in the outer side wall of the second connecting block (902) close to the bottom end.
5. The balloon dilatation catheter of claim 4 wherein the balloon dilatation catheter comprises: the size between the first connecting block (901) and the second connecting block (902) is equal, and the sealing ring (903) is embedded in the sealing groove (904).
6. The balloon dilatation catheter of claim 4 wherein the balloon dilatation catheter comprises: the outer diameter of the clamping block (907) is smaller than the inner diameter of the clamping groove (908), and a clamping structure is formed between the clamping block (907) and the clamping groove (908).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021813738.7U CN213374650U (en) | 2020-08-27 | 2020-08-27 | Medicinal balloon dilatation catheter without blocking coronary blood flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021813738.7U CN213374650U (en) | 2020-08-27 | 2020-08-27 | Medicinal balloon dilatation catheter without blocking coronary blood flow |
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| Publication Number | Publication Date |
|---|---|
| CN213374650U true CN213374650U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021813738.7U Active CN213374650U (en) | 2020-08-27 | 2020-08-27 | Medicinal balloon dilatation catheter without blocking coronary blood flow |
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| CN (1) | CN213374650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559395A (en) * | 2021-07-27 | 2021-10-29 | 西藏自治区人民政府驻成都办事处医院 | Special balloon catheter for BRTO (vascular endothelial ablation and ablation) and use method |
-
2020
- 2020-08-27 CN CN202021813738.7U patent/CN213374650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559395A (en) * | 2021-07-27 | 2021-10-29 | 西藏自治区人民政府驻成都办事处医院 | Special balloon catheter for BRTO (vascular endothelial ablation and ablation) and use method |
| CN113559395B (en) * | 2021-07-27 | 2023-04-25 | 西藏自治区人民政府驻成都办事处医院 | Balloon catheter special for BRTO and application method |
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