CN213963468U - Vascular endothelial cell sampling system - Google Patents
Vascular endothelial cell sampling system Download PDFInfo
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- CN213963468U CN213963468U CN202022290232.9U CN202022290232U CN213963468U CN 213963468 U CN213963468 U CN 213963468U CN 202022290232 U CN202022290232 U CN 202022290232U CN 213963468 U CN213963468 U CN 213963468U
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Abstract
The utility model relates to a vascular endothelial cell sampling system, including carrying the sheath, pipe and sacculus, above-mentioned pipe is inside to be equipped with mutually independent seal wire chamber and gas flow chamber along its length direction, the one end of above-mentioned pipe is equipped with the above-mentioned sacculus with above-mentioned gas flow chamber intercommunication, above-mentioned pipe one end is equipped with end connection, this end connection has two interfaces that correspond the end intercommunication with above-mentioned seal wire chamber and gas flow chamber respectively, above-mentioned pipe is arranged in the above-mentioned transport sheath, and can follow above-mentioned transport sheath push-and-pull under the exogenic action and remove, and make above-mentioned sacculus release or withdraw above-mentioned transport sheath tip, and after the tip of above-mentioned transport sheath is released to above-mentioned sacculus, above-mentioned sacculus can fill air inflation, and form the sample section that is used for acquireing endothelial cell in the blood vessel on its surface. The advantages are that: the structural design is simple and reasonable, can effectively obtain the vascular endothelial cell biopsy sample, has great assistance to the patient's state of an illness evaluation for the patient can not obtain effectual treatment.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to vascular endothelial cell sampling system.
Background
In clinical medical treatment at present, particularly in lung disease diagnosis medical treatment, because the vascular endothelial cells of a patient cannot be sampled and biopsied, the specific disease condition of the patient cannot be well analyzed and known, and the patient cannot be treated optimally and effectively.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a vascular endothelial cell sampling system, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a vascular endothelial cell sampling system comprises a conveying sheath, a catheter and a balloon, wherein a guide wire cavity and a gas flow cavity which are independent from each other are arranged in the catheter along the length direction of the catheter, the balloon communicated with the gas flow cavity is arranged at one end of the catheter, an end connector is arranged at one end of the catheter, the end connector is provided with two connectors respectively communicated with the corresponding ends of the guide wire cavity and the gas flow cavity, the catheter is arranged in the conveying sheath and can be pushed and pulled along the conveying sheath under the action of external force, the balloon is pushed out or retracted to the end part of the conveying sheath, and after the balloon is pushed out of the end part of the conveying sheath, the balloon can be inflated by air, and a sampling part for obtaining endothelial cells in a blood vessel is formed on the surface of the balloon.
The utility model has the advantages that: the structural design is simple and reasonable, can effectively obtain the vascular endothelial cell biopsy sample, has great assistance to the patient's state of an illness evaluation for the patient can not obtain effectual treatment.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the balloon is in an elliptical spherical shape after being inflated, and the surface of the balloon is provided with a plurality of bulges which jointly form the sampling part.
The beneficial effect of adopting the further metal scheme is that: the bulge sampling is utilized, and the sampling is more convenient.
Further, the balloon is in an elliptical spherical shape after being inflated, a plurality of convex ridges are arranged on the surface of the balloon along the length direction, and the convex ridges are continuously distributed along the circumferential direction of the balloon and jointly form the sampling part.
The beneficial effect of adopting the further metal scheme is that: the sampling is convenient and fast.
Further, the length of the balloon after being inflated is 5-10mm, and the diameter of the outer edge of the balloon is 3-9 mm.
The beneficial effect of adopting the further metal scheme is that: the balloon has reasonable specification and design, and is beneficial to the operation.
Further, the end connector is a Y-shaped connector, one end of which is connected to the corresponding end of the conduit, and the other two ends of which are respectively provided with a port.
The beneficial effect of adopting the further metal scheme is that: the end joint is simple in design and is convenient to be connected with the catheter and the two internal cavities.
Drawings
FIG. 1 is a schematic structural diagram of a vascular endothelial cell sampling system according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the vascular endothelial cell sampling system of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a conduit; 2. a balloon; 3. and an end fitting.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, the vascular endothelial cell sampling system of the present embodiment includes a delivery sheath, a catheter 1 and a balloon 2, wherein a guidewire lumen and a gas flow lumen independent of each other are provided in the catheter 1 along the longitudinal direction thereof, the balloon 2 communicating with the gas flow lumen is provided at one end of the catheter 1, an end connector 3 is provided at one end of the catheter 1, the end connector 3 has two ports communicating with the corresponding ends of the guidewire lumen and the gas flow lumen, respectively, the catheter 1 is placed in the delivery sheath and is capable of being pushed and pulled along the delivery sheath by an external force and causing the balloon 2 to be pushed out of or retracted into the end of the delivery sheath, and after the balloon 2 is pushed out of the end of the delivery sheath, the balloon 2 is inflated by air and forms a sampling portion for obtaining endothelial cells in a blood vessel on the surface thereof.
The operation process is as follows:
taking pulmonary artery sampling as an example, a conveying sheath is conveyed into pulmonary artery by using a guide wire, then a catheter 1 is pushed out from the end part of the conveying sheath along the guide wire to push a balloon 2, then air is injected into the balloon 2 through a corresponding interface via a gas flow cavity to enable the balloon 2 to be expanded to be contacted with the wall of the pulmonary artery blood vessel, then the catheter 1 is pulled outwards, meanwhile, the balloon 2 retracts until the balloon 2 returns to the conveying sheath, then the conveying sheath and the guide wire are withdrawn, and the balloon is taken out of the body to complete a sampling process, in the whole process, the contact and friction between a sampling part of the balloon 2 and the inner wall of the blood vessel are utilized to carry out vascular endothelial cell sampling biopsy, the specific state of an illness of a patient can be effectively evaluated, and an optimal treatment scheme is given for the state of the illness.
The specification of the conveying sheath can be generally selected to be 6F/7F/8F according to the actual situation.
Preferably, the structure of the sampling part comprises at least the following components:
1) as shown in fig. 1, the balloon 2 is formed into an elliptical spherical shape after being inflated, and has a plurality of protrusions on the surface, and the plurality of protrusions together form the sampling portion.
The bulges are similar to spinous process, and can effectively obtain vascular endothelial cells in the process of contacting vascular endothelium and recovering.
2) As shown in fig. 2, the balloon 2 is formed in an elliptical spherical shape after being inflated, and has a plurality of ridges formed on the surface thereof in the longitudinal direction, the plurality of ridges being continuously distributed along the outer circumferential direction of the balloon 2 and constituting the sampling portion together.
The cross section of the convex edge is in a smooth triangular shape.
Preferably, the balloon 2 has a length of 5-10mm and an outer diameter of 3-9mm after inflation.
More specifically, the length specification of the general balloon 2 includes a plurality of specifications such as 5mm, 8mm, 10mm, etc., and the diameter of the balloon 2 is designed to be 3mm, 6mm, 9mm, etc., and specifically, the balloon 2 with different specifications can be selected according to the physical signs of different patients.
Preferably, the end fitting 3 is a Y-shaped fitting, one end of which is connected to the corresponding end of the catheter 1, and the other two ends of which are provided with a port, respectively.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A vascular endothelial cell sampling system, comprising: the blood vessel endothelium sampling device comprises a conveying sheath, a catheter (1) and a balloon (2), wherein a wire guide cavity and a gas flow cavity which are independent of each other are arranged in the catheter (1) along the length direction of the catheter, the balloon (2) communicated with the gas flow cavity is arranged at one end of the catheter (1), an end connector (3) is arranged at one end of the catheter (1), the end connector (3) is provided with two connectors communicated with the corresponding ends of the wire guide cavity and the gas flow cavity respectively, the catheter (1) is arranged in the conveying sheath and can be pushed and pulled to move along the conveying sheath under the action of external force, the balloon (2) is pushed out or retracted to the end part of the conveying sheath, and after the balloon (2) pushes out the end part of the conveying sheath, the balloon (2) can be inflated by air and forms a sampling part for obtaining endothelial cells in a blood vessel on the surface of the balloon.
2. The system for sampling vascular endothelial cells of claim 1, wherein: the sacculus (2) is oval spherical after being expanded, and the surface is provided with a plurality of bulges which jointly form the sampling part.
3. The system for sampling vascular endothelial cells of claim 1, wherein: the inflatable balloon (2) is in an elliptical sphere shape after being inflated, a plurality of convex ridges are arranged on the surface of the inflatable balloon along the length direction, and the convex ridges are continuously distributed along the circumferential direction of the inflatable balloon (2) and jointly form the sampling part.
4. The system for sampling vascular endothelial cells according to claim 3, wherein: the length of the balloon (2) after being inflated is 5-10mm, and the diameter of the outer edge is 3-9 mm.
5. The vascular endothelial cell sampling system of any one of claims 1 to 4, wherein: the end part joint (3) is a Y-shaped joint, one end of the end part joint is connected with the corresponding end of the conduit (1), and the other two ends are respectively provided with a connector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022290232.9U CN213963468U (en) | 2020-10-15 | 2020-10-15 | Vascular endothelial cell sampling system |
Applications Claiming Priority (1)
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CN202022290232.9U CN213963468U (en) | 2020-10-15 | 2020-10-15 | Vascular endothelial cell sampling system |
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CN213963468U true CN213963468U (en) | 2021-08-17 |
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CN202022290232.9U Active CN213963468U (en) | 2020-10-15 | 2020-10-15 | Vascular endothelial cell sampling system |
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