阅读说明：本技术 一种安全的血栓吸出系统 (Safe thrombus suction system ) 是由 吴雨星 于 2018-06-06 设计创作，主要内容包括：本发明公开了一种安全的血栓吸出系统,包括吸管,所述吸管左端安装有导管,所述导管外安装有气囊,所述导管内安装有导丝进给装置,所述导丝进给装置包括第一活塞,所述第一活塞安装于吸管内,所述第一活塞外套接有密封套,与现有技术相比,本发明的有益效果是：通过第一活塞安装于吸管内,第一活塞外套接有密封套,使第一活塞便于在吸管内移动,通过螺纹通孔内径小于第四连接孔,螺纹通孔内螺接有外螺纹盘,使旋转外螺纹盘,外螺纹盘进入第四连接孔内后可滑动移动,通过外螺纹盘右端安装有连接杆,连接杆右端安装有推柄,使外螺纹盘便于转动和移动。(The invention discloses a safe thrombus aspiration system, which comprises a suction tube, wherein a catheter is arranged at the left end of the suction tube, an air bag is arranged outside the catheter, a guide wire feeding device is arranged in the catheter, the guide wire feeding device comprises a first piston, the first piston is arranged in the suction tube, and a sealing sleeve is sleeved outside the first piston, so that compared with the prior art, the safe thrombus aspiration system has the beneficial effects that: install in the straw through first piston, first piston cup joints the seal cover, makes first piston be convenient for remove in the straw, is less than the fourth connecting hole through screw through-hole internal diameter, and the spiro union has the external screw thread dish in the screw through-hole, makes rotatory external screw thread dish, but external screw thread dish slip removal after getting into the fourth connecting hole, installs the connecting rod through external screw thread dish right-hand member, and the connecting rod right-hand member is installed and is pushed away the handle, makes external screw thread dish be convenient for rotate and remove.)

1. A safe thrombus aspiration system comprising a suction tube (1), characterized in that: a catheter (2) is installed at the left end of the suction pipe (1), an air bag (3) is installed outside the catheter (2), and a guide wire feeding device (5) is installed in the catheter (2);

The guide wire feeding device (5) comprises a first piston (51), the first piston (51) is installed in the suction pipe (1), a sealing sleeve (513) is sleeved outside the first piston (51), a through hole (501) is formed in the first piston (51), a connecting rod (52) is installed at the right end of the first piston (51), a first connecting hole (521) is formed in the left end of the connecting rod (52), the first connecting hole (521) is communicated with the through hole (501), a hydraulic cavity (523) is formed in the connecting rod (52), the hydraulic cavity (523) is communicated with the first connecting hole (521) through a second connecting hole (522), a fourth connecting hole (526) is formed in the right end of the connecting rod (52), the fourth connecting hole (526) is communicated with the hydraulic cavity (523) through a third connecting hole (524), and a threaded through hole (525) is formed in the right end of the fourth connecting hole (526), the inner diameter of the threaded through hole (525) is smaller than that of a fourth connecting hole (526), an external threaded disc (58) is screwed in the threaded through hole (525), a connecting rod (59) is installed at the right end of the external threaded disc (58), a push handle (510) is installed at the right end of the connecting rod (59), a second sliding rod (57) is installed at the left end of the external threaded disc (58), the second sliding rod (57) penetrates through the fourth connecting hole (526) and the third connecting hole (524), a third piston (56) is installed at the left end of the second sliding rod (57), a hydraulic cavity (523) is filled with hydraulic oil, a second piston (55) is installed at the inner right end of a first connecting hole (521), a first sliding rod (53) is installed at the left end of the second piston (55), the first sliding rod (53) penetrates through the first connecting hole (521) and the through hole (501), and one end of a guide wire (512) is installed at, the other end of the guide wire (512) penetrates through the catheter (2), the left end of the return spring (54) is installed at the left end in the first connecting hole (521), and the right end of the return spring (54) is installed on the second piston (55).

2. A safe thrombus aspiration system according to claim 1, wherein: install first sealing washer (6) in third connecting hole (524), third piston (56) installs second sealing washer (7) outward, third sealing washer (8) are installed outward to second piston (55), install fourth sealing washer (9) in through-hole (501).

3. A safe thrombus aspiration system according to claim 1, wherein: the right end of the connecting rod (52) is externally provided with a sleeve plate (511).

4. A safe thrombus aspiration system according to claim 1, wherein: the left end of the guide wire (512) is wound into a conical tip shape.

5. A safe thrombus aspiration system according to claim 1, wherein: the air bag (3) is provided with one end of an air pipe (4), and the other end of the air pipe (4) is arranged on the side surface of the suction pipe (1).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a safe thrombus aspiration system.

Background

The thrombus disease is a thromboembolic disease, mainly caused by two pathological processes of thrombus formation and thromboembolism, seriously harms public health and life, at present, the treatment method of the thrombus mainly comprises the methods of surgical operation, thrombolysis and the like, a thrombus suction device is required to be used for sucking out the thrombus in a blood vessel during the surgical operation, the suction process mainly comprises the steps of guiding a guide wire to pass through a thrombus body by using X rays, advancing a catheter along the guide wire, sucking out the thrombus by using the catheter, and feeding the guide wire during the use process.

Disclosure of Invention

The present invention is directed to a safe thrombus aspiration system to solve the above problems of the prior art.

in order to achieve the purpose, the invention provides the following technical scheme: a safe thrombus aspiration system comprises a suction tube, wherein a catheter is arranged at the left end of the suction tube, an air bag is arranged outside the catheter, and a guide wire feeding device is arranged in the catheter;

The guide wire feeding device comprises a first piston, the first piston is arranged in a suction pipe, a sealing sleeve is sleeved outside the first piston, a through hole is formed in the first piston, a connecting rod is arranged at the right end of the first piston, a first connecting hole is formed in the left end of the connecting rod and is communicated with the through hole, a hydraulic cavity is formed in the connecting rod and is communicated with the first connecting hole through a second connecting hole, a fourth connecting hole is formed in the right end of the connecting rod and is communicated with the hydraulic cavity through a third connecting hole, a threaded through hole is formed in the right end of the fourth connecting hole, the inner diameter of the threaded through hole is smaller than that of the fourth connecting hole, an external thread disc is screwed in the threaded through hole, a connecting rod is arranged at the right end of the external thread disc, a push handle is arranged at the right end of the connecting rod, and a second sliding rod is arranged at, the second slide bar passes fourth connecting hole and third connecting hole, the third piston is installed to the second slide bar left end, hydraulic pressure intracavity is full of hydraulic oil, the second piston is installed to the right-hand member in the first connecting hole, first slide bar is installed to the second piston left end, first slide bar passes first connecting hole and through-hole, seal wire one end is installed to first slide bar left end, the pipe is worn out to the seal wire other end, the reset spring left end is installed to the left end in the first connecting hole, the reset spring right-hand member is installed on the second piston.

Preferably, a first sealing ring is installed in the third connecting hole, a second sealing ring is installed outside the third piston, a third sealing ring is installed outside the second piston, and a fourth sealing ring is installed in the through hole.

Preferably, a sleeve plate is arranged outside the right end of the connecting rod.

Preferably, the left end of the guide wire is wound into a conical tip shape.

Preferably, the air bag is provided with one end of an air pipe, and the other end of the air pipe is arranged on the side surface of the suction pipe.

Compared with the prior art, the invention has the beneficial effects that: the first piston is arranged in the suction pipe through a first piston, a sealing sleeve is sleeved outside the first piston, the first piston is enabled to move conveniently in the suction pipe, the inner diameter of the through hole is smaller than that of the fourth connecting hole, an external thread disc is screwed in the through hole, the external thread disc can slide and move after entering the fourth connecting hole, a connecting rod is arranged at the right end of the external thread disc, a push handle is arranged at the right end of the connecting rod, the external thread disc is enabled to rotate and move conveniently, a second slide rod is arranged at the left end of the external thread disc, the second slide rod penetrates through the fourth connecting hole and the third connecting hole, a third piston is arranged at the left end of the second slide rod, a hydraulic cavity is filled with hydraulic oil, the external thread disc can drive the second slide rod to move so as to drive the third piston to move, a second piston is arranged at the right end in the first connecting hole, a first slide, seal wire one end is installed to first slide bar left end, make the third piston remove can extrude the hydraulic oil of hydraulic pressure intracavity to first connecting hole in, thereby make the second piston remove and drive first slide bar and slide in first connecting hole and through-hole, thereby make the seal wire remove, the stability of hydraulic oil can make the seal wire remove stably, be convenient for control, install the reset spring left end through the left end in the first connecting hole, the reset spring right-hand member is installed on the second piston, make the second piston reset fast, thereby make the seal wire can automatic re-setting.

drawings

FIG. 1 is a front view of the present invention;

Fig. 2 is a front sectional view of the present invention.

In the figure: 1. the suction pipe comprises a suction pipe body, 2, a guide pipe body, 3, an air bag body, 4, an air pipe body, 5, a guide wire feeding device, 501, a through hole, 51, a first piston, 52, a connecting rod, 521, a first connecting hole, 522, a second connecting hole, 523, a hydraulic cavity, 524, a third connecting hole, 525, a threaded through hole, 526, a fourth connecting hole, 53, a first sliding rod, 54, a reset spring, 55, a second piston, 56, a third piston, 57, a second sliding rod, 58, an external threaded disc, 59, a connecting rod, 510, a push handle, 511, a sleeve plate, 512, a guide wire, 513, a sealing sleeve, 6, a first sealing ring, 7, a second sealing ring, 8, a third sealing ring, 9 and a fourth sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a safe thrombus aspiration system comprises a suction tube 1, wherein a catheter 2 is arranged at the left end of the suction tube 1, an air bag 3 is arranged outside the catheter 2, and a guide wire feeding device 5 is arranged in the catheter 2;

The guide wire feeding device 5 comprises a first piston 51, the first piston 51 is installed in the straw 1, a sealing sleeve 513 is sleeved outside the first piston 51, so that the first piston 51 can move in the straw 1 conveniently, a through hole 501 is formed in the first piston 51, a connecting rod 52 is installed at the right end of the first piston 51, a first connecting hole 521 is formed in the left end of the connecting rod 52, the first connecting hole 521 is communicated with the through hole 501, a hydraulic chamber 523 is formed in the connecting rod 52, the hydraulic chamber 523 is communicated with the first connecting hole 521 through a second connecting hole 522, a fourth connecting hole 526 is formed in the right end of the connecting rod 52, the fourth connecting hole 526 is communicated with the hydraulic chamber 523 through a third connecting hole 524, a threaded through hole 525 is formed in the right end of the fourth connecting hole 526, the inner diameter of the threaded through hole 525 is smaller than that of the fourth connecting hole 526, and an external thread disc 58 is screwed in the threaded through, the external thread disc 58 is rotated, the external thread disc 58 can slide and move after entering the fourth connecting hole 526, the right end of the external thread disc 58 is provided with a connecting rod 59, the right end of the connecting rod 59 is provided with a push handle 510, so that the external thread disc 58 is convenient to rotate and move, the left end of the external thread disc 58 is provided with a second sliding rod 57, the second sliding rod 57 passes through the fourth connecting hole 526 and the third connecting hole 524, the left end of the second sliding rod 57 is provided with a third piston 56, the hydraulic chamber 523 is filled with hydraulic oil, so that the external thread disc 58 can move to drive the second sliding rod 57 to move, so as to drive the third piston 56 to move, the right end of the first connecting hole 521 is provided with a second piston 55, the left end of the second piston 55 is provided with a first sliding rod 53, the first sliding rod 53 passes through the first connecting hole 521 and the through hole 501, the left end of the first sliding rod 53 is provided with one end of a guide wire 512, so that the third piston 56, thereby make second piston 55 remove and drive first slide bar 53 and slide in first connecting hole 521 and through-hole 501 to make seal wire 512 remove, the stability of hydraulic oil can make seal wire 512 remove stably, the control of being convenient for, the pipe 2 is worn out to the seal wire 512 other end, reset spring 54 left end is installed to the left end in the first connecting hole 521, reset spring 54 right-hand member is installed on second piston 55, and reset spring 54 right-hand member is installed on second piston 55, makes second piston 55 can reset fast, thereby makes the seal wire can 512 automatic re-setting.

Specifically, the first seal ring 6 is installed in the third connection hole 524, so that the sealing performance between the third connection hole 524 and the second slide bar 57 is good, the second seal ring 7 is installed outside the third piston 56, so that the sealing performance between the third piston 56 and the hydraulic pressure chamber 523 is good, the third seal ring 8 is installed outside the second piston 55, so that the sealing performance between the second piston 55 and the first connection hole 521 is good, the fourth seal ring 9 is installed in the through hole 501, and the sealing performance between the through hole 501 and the first slide bar 53 is good.

Specifically, a sleeve plate 511 is mounted outside the right end of the connecting rod 52, so that the right end of the connecting rod 52 is convenient to hold by a hand.

Specifically, the left end of the guide wire 512 is wound into a conical tip shape, so that the left end of the guide wire 512 is convenient for dredging thrombus.

Specifically, the air bag 3 is provided with one end of an air pipe 4, and the other end of the air pipe 4 is arranged on the side surface of the suction pipe 1, so that the air bag 3 is convenient to inflate.

The working principle is as follows: when the invention is used, the catheter 2 is inserted into a blood vessel under the guidance of the guide wire 512, the air bag 3 is inflated through the trachea 4, the blood flow in the blood vessel is blocked, the push handle 510 is rotated, the push handle 510 drives the connecting rod 59 and the external thread disc 58 to rotate, the external thread disc 58 enters the fourth connecting hole 526, the push handle 510 is pushed, the external thread disc 58 moves in the fourth connecting hole 526, the external thread disc 58 moves to drive the second sliding rod 57 to move, so as to drive the third piston 56 to move, the third piston 56 moves to extrude the hydraulic oil in the hydraulic cavity 523 into the first connecting hole 521, so as to drive the first sliding rod 53 to slide in the first connecting hole 521 and the through hole 501, so as to move the guide wire 512, move in the blood vessel, break the thrombus, dredge the blood vessel, at the moment, the push handle 510 is loosened, the reset spring 54 enables the second piston 55 to be quickly reset, so that the guide wire 512 can be automatically reset and retracted, the external thread disc 58 is screwed in the threaded through hole 525, the push handle 510 is pulled, the first piston 51 moves in the suction tube 1, and thrombus is sucked into the catheter 2 to be cleared.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.