CN217472558U - Radial artery thrombus suction catheter - Google Patents
Radial artery thrombus suction catheter Download PDFInfo
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- CN217472558U CN217472558U CN202220456639.0U CN202220456639U CN217472558U CN 217472558 U CN217472558 U CN 217472558U CN 202220456639 U CN202220456639 U CN 202220456639U CN 217472558 U CN217472558 U CN 217472558U
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- thrombus
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- expander
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Abstract
The utility model belongs to the field, a radial artery thrombus suction catheter is disclosed, which comprises a device body, the device body comprises a suction injector, an extension tube and a suction catheter, the suction catheter comprises a hose and a thrombus suction tube, the suction injector is connected with the extension tube, the free end of the extension tube is connected with the hose, the free end of the hose is connected with the thrombus suction tube, the device body also comprises an expander and a sheath tube, the outer wall of the expander is provided with an annular fixed block, the outer wall of one end of the thrombus suction tube is provided with an annular fixed groove, the expander is arranged in the thrombus suction tube, the annular fixed block is clamped with the annular fixed groove, the sheath tube is sleeved outside the thrombus suction tube, a sealer is arranged in the thrombus suction tube, the device enters a human body through the arranged expander and the suction catheter, the sheath tube provides a pipeline for sucking thrombus for multiple times, the sheath tube avoids repeatedly entering the human body, the arranged suction injector can provide a negative pressure environment for the device, the suction efficiency and the thrombus extraction inspection accuracy are improved.
Description
Technical Field
The utility model relates to a thrombus suction technical field especially relates to a radial artery thrombus suction catheter.
Background
The radial artery route is the first choice method of the percutaneous coronary intervention in China, and has the advantages of easy puncture and tube placement, thinner tube diameter, easy postoperative compression hemostasis, less distribution of nerves and blood vessels at the position of the deformity, less operation-related blood vessels and nerve complications, no strict bedridden after operation, less pain of patients and the like, however, in the clinical coronary intervention, the radial artery occlusion appears after the first intervention treatment in about 5-10% of patients, so that the second intervention in a short time has to be intervened and replaced by contralateral radial artery or femoral artery access, the operation difficulty is increased, and the adverse physical and psychological effects on the patients are caused.
Disclosure of Invention
The utility model aims at providing a radial artery thrombus suction catheter to radial artery is closed off to appear after solving the patient and intervene the treatment for the first time, increases to intervene once more and intervenes the problem of the intervention operation degree of difficulty.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a basic technical scheme is: a radial artery thrombus suction catheter comprises a device body, wherein the device body comprises a suction injector, an extension pipe and a suction catheter, the suction catheter comprises a hose and a thrombus straw, the suction injector is connected with the extension pipe, the free end of the extension pipe is connected with the hose, the free end of the hose is connected with the thrombus straw, the device body further comprises an expander and a sheath pipe, the outer wall of the expander is provided with an annular fixed block, the outer wall of one end of the thrombus straw is provided with an annular fixed groove, the expander is arranged in the thrombus straw, the annular fixed block is clamped with the annular fixed groove, the sheath pipe is sleeved outside the thrombus straw, a sealer is arranged in the thrombus straw, the outer side of the sealer is fixedly connected with the inner wall of the thrombus straw, the sealer is made of latex and can be deformed, and a through hole is formed in the middle of the sealer, the sealer is used for compositely sealing the end of the thrombus suction tube after the dilator is drawn out.
The principle of the basic technical scheme is as follows: suction syringe one end is connected with the extension pipe, extension pipe one end and suction catheter connection, and the expander passes sealed ware and gets into the thrombus straw to annular fixed slot joint that annular fixed block and thrombus straw that is equipped with through its outer wall were equipped with is fixed, and the sealed ware is latex material that can reply shape, can extract back sealed thrombus straw end at the expander, and the sheath pipe cup joints in the thrombus straw outside.
The beneficial effects of the basic technical scheme are as follows: suction syringe provides the negative pressure for the device, improves thrombus suction efficiency, and annular fixed block and annular fixed slot can fixed thrombus straw and expander of joint, avoid the device expander to be supported out when getting into the human body, and sheath pipe and thrombus straw damage are human, and the sealed ware of thrombus straw inner wall setting can guarantee for the material of manifold that the expansion pipe removes the back sealed suction vessel end, guarantees the gas tightness of device.
Preferably, the suction injector comprises a needle cylinder and a piston rod, wherein a fixing block is connected to the inner wall of the needle cylinder, a fixing groove is formed in the outer side of the piston rod, and the fixing block is matched with the fixing groove.
Through the arrangement, when the piston rod moves to the fixed groove and faces the fixed block, the position of the piston rod can be fixed by rotating the piston rod, and the vacuum state in the suction injector is guaranteed.
Preferably, the extension pipe is connected with a gas valve.
Through the arrangement, after the device enters a human body, the air valve is opened to provide instant suction force for the thrombus suction tube, so that the thrombus suction efficiency is improved.
Preferably, the sheath tube comprises a sheath tube barrel and a fixed seat, and adhesive paper is adhered to one side of the fixed seat, which is close to the sheath tube barrel.
Through the arrangement, the sheath is fixed on the surface of a human body through the adhesive paper after entering the human body, so that the sheath is prevented from falling off.
Drawings
FIG. 1 is a front view of a radial thrombus aspiration catheter of the present invention;
FIG. 2 is a cross-sectional view taken at A of FIG. 1;
FIG. 3 is a close-up cross-sectional view of the sealer with the dilator and guidewire removed;
fig. 4 is a cross-sectional view of the suction syringe.
The reference numerals include: the suction syringe comprises a suction syringe 1, an extension tube 2, a suction catheter 3, a hose 4, a thrombus suction tube 5, an expander 6, a sheath tube 7, an annular fixing block 8, an annular fixing groove 9, a sealer 10, an air valve 11, a syringe 12, a piston rod 13, a fixing block 14, a fixing groove 15, a sheath tube barrel 16, adhesive paper 17 and a fixing seat 18.
Detailed Description
The present invention will be further described in detail with reference to the drawings and specific embodiments.
As shown in fig. 1 to 4, a radial artery thrombus suction catheter comprises a device body, the device body comprises a suction injector 1, an extension tube 2 and a suction catheter 3, the suction catheter 3 comprises a hose 4 and a thrombus suction tube 5, the upper end of the suction injector 1 is connected with the extension tube 2, the free end of the extension tube 2 is connected with the hose 4, the right end of the hose 4 is connected with the thrombus suction tube 5, the suction injector 1 comprises a syringe 12 and a piston rod 13, the inner wall of the syringe 12 is fixedly connected with a fixing block 14, the outer wall of the piston rod 13 is in a fan-blade shape, the outer wall of the piston rod 13 is provided with a fixing groove 15, when the piston rod 13 is pulled outwards to the position of the fixing block 14 opposite to the position of the fixing groove 15, the rotary piston rod 13 fixes the position of the fixing block 14 through the fixing groove 15, the extension tube 2 is connected with an air valve 11, the device body further comprises a sheath tube 7 and a dilator 6, the sheath tube 7 is sleeved outside the thrombus suction tube 5, sheath pipe 7 includes fixing base 18 and sheath pipe barrel 16, 18 upside pastes and has the paper 17 of pasting that is used for pasting fixing base 18 and human skin, 5 inner wall connections of thrombus straw have sealer 10, sealer 10 is arranged in thrombus straw 5 and hose 4 connector lower extreme, sealer 10 is the latex material that can reply shape, be equipped with the through-hole in the middle of the sealer 10, 5 lower extreme outer walls of thrombus straw are equipped with annular fixed slot 9, 6 lower extreme outer walls of expander are equipped with annular fixed block 8, thrombus straw 5 is worn to locate by expander 6, expander 6 and thrombus straw 5 are fixed through the annular fixed block 8 and the annular fixed slot 9 joint that its outer wall set up.
The specific implementation process is as follows: before the device is inserted into a human body, the human body is turned over to take a horizontal position, the disinfection and the laying of a sterile towel are carried out, then 1 percent lidocaine is used for local infiltration anesthesia, the distal end of the radial artery on the occlusion side is taken as a puncture point, the Seldinger technology is adopted to puncture the distal radial artery capable of touching pulsation, a guide wire is sent in, the guide wire is confirmed to cross an elbow joint to enter the trunk of the radial artery under fluoroscopy, a dilator 6 is arranged in a thrombus suction tube 5 in a penetrating way and is clamped and fixed with an annular fixed block 8 through an annular fixed groove 9, a sheath tube 7 is sleeved outside the thrombus suction tube 5, the assembled device is placed into the human body along the guide wire, the sheath tube 7 is stuck and fixed with the human body through adhesive paper 17 arranged on a fixed seat 18, the dilator 6 and the guide wire are withdrawn, a hose 4, an extension tube 2 and the suction injector 1 are sequentially connected, an air valve 11 on the extension tube 2 is closed, a piston rod 13 in the suction injector 1 is outwards pulled, the suction injector 1 is in a negative pressure state, the piston rod 13 is rotated to be fixed, the air valve 11 on the extension tube 2 is opened, the thrombus suction tube 5 is slowly withdrawn and moved out, the thrombus suction tube 5 is washed after the suction injector is withdrawn from the body, the thrombus is separated and the length is measured, and the suction is repeatedly carried out for a plurality of times until no thrombus is withdrawn.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. A radial artery thrombus aspiration catheter, which comprises a device body and is characterized in that: the device body comprises a suction injector (1), an extension pipe (2) and a suction catheter (3), the suction catheter (3) comprises a hose (4) and a thrombus suction pipe (5), the suction injector (1) is connected with the extension pipe (2), the free end of the extension pipe (2) is connected with the hose (4), the free end of the hose (4) is connected with the thrombus suction pipe (5), the device body further comprises an expander (6) and a sheath pipe (7), the outer wall of the expander (6) is provided with an annular fixing block (8), the outer wall of one end of the thrombus suction pipe (5) is provided with an annular fixing groove (9), the expander (6) is arranged in the thrombus suction pipe (5), the annular fixing block (8) is connected with the annular fixing groove (9) in a clamping manner, and the sheath pipe (7) is sleeved outside the thrombus suction pipe (5), be equipped with sealer (10) in thrombus straw (5), sealer (10) outside fixed connection be in thrombus straw (5) inner wall, but sealer (10) is latex manifold material, be equipped with the through-hole in the middle of sealer (10), sealer (10) is in after expander (6) are taken out manifold and is sealed thrombus straw (5) end.
2. A radial artery thrombus aspiration catheter as set forth in claim 1, wherein: suction syringe (1) includes cylinder (12) and piston rod (13), cylinder (12) inner wall is connected with fixed block (14), piston rod (13) outside is equipped with fixed slot (15), fixed block (14) with fixed slot (15) cooperation sets up.
3. A radial artery thrombus aspiration catheter as set forth in claim 1, wherein: the extension pipe (2) is connected with an air valve (11).
4. A radial artery thrombus aspiration catheter as set forth in claim 1, wherein: the sheath tube (7) comprises a sheath tube barrel (16) and a fixed seat (18), and adhesive paper (17) is adhered to one side, close to the sheath tube barrel (16), of the fixed seat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220456639.0U CN217472558U (en) | 2022-03-03 | 2022-03-03 | Radial artery thrombus suction catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220456639.0U CN217472558U (en) | 2022-03-03 | 2022-03-03 | Radial artery thrombus suction catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217472558U true CN217472558U (en) | 2022-09-23 |
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ID=83307219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220456639.0U Active CN217472558U (en) | 2022-03-03 | 2022-03-03 | Radial artery thrombus suction catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217472558U (en) |
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2022
- 2022-03-03 CN CN202220456639.0U patent/CN217472558U/en active Active
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