CN219355021U - Catheter device for vascular interventional therapy - Google Patents

Abstract

The utility model discloses a catheter device for vascular interventional therapy, which belongs to the technical field of medical devices and comprises a connecting frame and a fixed sleeve arranged on one side of the connecting frame, wherein a connecting column is fixedly connected to the outer wall of one side of the connecting frame, a connecting sleeve fixedly connected with the fixed sleeve is connected to the outer part of the connecting column in a sliding manner, a catheter body is movably connected in the fixed sleeve, a plurality of guide holes are formed in the fixed sleeve, a guide column is connected to the inner part of the guide hole of the fixed sleeve in a sliding manner, a guide block is fixedly connected to the outer wall of one side of the guide column, a fixed block is fixedly connected to the outer wall of the other side of the guide column, a supporting spring for supporting a pushing block is sleeved on the outer part of the guide column, and a rotating ring is connected to the outer part of the fixed sleeve in a rotating manner. This a catheter device for vascular interventional therapy can effectively fix the position of pipe body, avoids causing the secondary injury to the patient because of the pipe body unexpected removal.

Description

Catheter device for vascular interventional therapy

Technical Field

The utility model belongs to the technical field of medical devices, and particularly relates to a catheter device for vascular interventional therapy.

Background

The cerebral intravascular interventional therapy uses catheter operation technology, and under the support of digital subtraction angiography under the control of a computer, the intravascular catheter operation technology is adopted to diagnose and treat the lesions of the human neurovascular system through methods such as selective radiography, embolism, dilation forming, mechanical clearing, drug delivery and the like. When the vascular interventional catheter treatment is carried out, a long catheter is required to be inserted into a human body, and the catheter is required to be fixed in order to smoothly enter the human body, a medical adhesive tape is generally adopted for pasting and fixing, and if the adhesive tape falls off, the catheter is easy to slide, so that secondary injury can be caused to a patient.

Reference is made to the Chinese patent grant: a catheter device for vascular intervention, grant bulletin number: CN217567109U, the first balloons of the present utility model are used for cooling blood temperature, reducing blood flow speed, further achieving the purposes of protecting brain tissue, improving the probability of successful operation and reducing the risk of operation, and the second balloons are used for blocking blood flow after being inflated, so as to prevent thrombus from flowing into the distal end of a blood vessel along with blood in the process of thrombus extraction to cause complications. However, certain defects exist in the use process, such as the position of the catheter cannot be effectively fixed, but medical adhesive tapes are generally adopted to be stuck and fixed in the prior art, and if the adhesive tapes fall off, the catheter is easy to slide, so that secondary injury can be caused to a patient.

Disclosure of Invention

The utility model aims to provide a catheter device for vascular interventional therapy, which solves the problems that the position of a catheter cannot be effectively fixed, which is proposed in the background art, and the prior art generally adopts medical adhesive tape for sticking and fixing, and if the adhesive tape falls off, the catheter is easy to slide, so that secondary injury can be caused to a patient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a catheter device for vascular intervention treatment, includes the link and sets up in the fixed sleeve of link one side, one side outer wall fixedly connected with spliced pole of link, the outside sliding connection of spliced pole has the connecting sleeve with fixed sleeve fixed connection, swing joint has the pipe body that is used for vascular intervention treatment in the fixed sleeve, a plurality of guiding holes have been seted up in the fixed sleeve, and sliding connection has the guide post in the guiding hole of fixed sleeve, one side outer wall fixedly connected with guide block of guide post, the opposite side outer wall fixedly connected with of guide post is used for carrying out the fixed block of fixed to the pipe body, and the outside of guide post has cup jointed the supporting spring that is used for carrying out the support to the impeller, fixed sleeve's outside rotation is connected with the swivel becket.

In a further embodiment, the inner wall of the rotating ring is fixedly connected with a plurality of pushing blocks for pushing the guide blocks to move, and a plurality of moving grooves for the pushing blocks to move are formed in the outer wall of the fixed sleeve.

In a further embodiment, the bottom of the connecting frame is provided with a threaded hole, a fixing screw is connected with the threaded hole in the bottom of the connecting frame in a threaded manner, and a fixing plate is connected to the top of the fixing screw in a rotating manner.

In a further embodiment, a connecting block is fixedly connected to the outer wall of one side of the fixing sleeve, a through hole is formed in the connecting block, a positioning pin is connected in the through hole of the connecting block in a sliding mode, and a plurality of positioning holes matched with the positioning pin are formed in the surface of the rotating ring.

In a further embodiment, the outer wall of the positioning pin is fixedly connected with a limiting ring, and the outer part of the fixing pin is sleeved with a fixing spring for supporting the limiting ring.

In a further embodiment, threaded holes are formed in the corresponding positions of the connecting column and the connecting sleeve, and fixing bolts are connected in the threaded holes of the connecting column and the connecting sleeve in a threaded manner.

The utility model has the technical effects and advantages that:

according to the catheter device for vascular interventional therapy, the pushing block is driven to move by rotating the rotating ring, the pushing block extrudes the guide block and drives the guide column and the fixing blocks to move, so that the fixing blocks are simultaneously attached to the outside of the catheter body, the position of the catheter body can be fixed, the catheter body is prevented from moving accidentally, and secondary injury is caused to a patient;

the limiting ring is supported by the fixing spring, so that the positioning pin is inserted into the positioning hole of the rotating ring, the position of the rotating ring can be effectively fixed, and the rotating ring is prevented from rotating accidentally;

through being connected link and sick bed, rotate fixing screw, make fixed plate and sick bed laminate mutually, can accomplish the installation to the device fast, it is more convenient to use, this a catheter device for vascular intervention treatment can effectively fix the position of catheter body, avoids causing the secondary injury to the patient because of the unexpected removal of catheter body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the connector of the present utility model;

FIG. 3 is a cross-sectional view of the connection of the stationary sleeve and the rotating ring of the present utility model;

fig. 4 is an enlarged view of fig. 1 a of the present utility model.

In the figure: 1. a connecting frame; 11. a fixed screw; 12. a fixing plate; 13. a connecting column; 14. a connecting sleeve; 15. a fixing bolt; 2. a fixed sleeve; 21. a catheter body; 22. a guide post; 23. a guide block; 24. a support spring; 25. a fixed block; 26. a rotating ring; 27. a pushing block; 3. a connecting block; 31. a positioning pin; 32. lifting the block; 33. a limiting ring; 34. and fixing the spring.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In order to quickly complete the installation of the device, as shown in fig. 1 and 2, a threaded hole is formed in the bottom of the connecting frame 1, a fixing screw 11 is connected in the threaded hole in the bottom of the connecting frame 1 in a threaded manner, a fixing plate 12 is rotatably connected to the top of the fixing screw 11 through a bearing, the connecting frame 1 is connected with a sickbed, and the fixing screw 11 is rotated to enable the fixing plate 12 to be attached to the sickbed, so that the installation of the device can be quickly completed;

the connecting column 13 is fixedly connected with the left outer wall of one side of the connecting frame 1 through a screw, the connecting sleeve 14 is connected with the outer sliding of the connecting column 13, the fixing sleeve 2 is fixedly connected with the left outer wall of the connecting sleeve 14 through a screw, threaded holes are formed in the corresponding positions of the connecting column 13 and the connecting sleeve 14, the fixing bolts 15 are connected with the threaded holes of the connecting column 13 and the connecting sleeve 14 in a threaded manner, the connecting sleeve 14 is convenient to assemble and disassemble through the fixing bolts 15, and later maintenance is more convenient.

In order to effectively fix the position of the catheter body 21, secondary injury to a patient caused by accidental movement of the catheter body 21 is avoided, as shown in fig. 1, 3 and 4, the catheter body 21 for vascular intervention treatment is movably connected in the fixed sleeve 2, the catheter body 21 is of the prior art, the structure is not excessively repeated, a plurality of guide holes are formed in the fixed sleeve 2, a guide post 22 is connected in the guide holes of the fixed sleeve 2 in a sliding manner, one side outer wall of the guide post 22 is fixedly connected with a guide block 23 through a screw, the other side outer wall of the guide post 22 is fixedly connected with a fixed block 25 for fixing the catheter body 21 through the screw, the outer part of the guide post 22 is sleeved with a supporting spring 24 for supporting the push block, the outer part of the fixed sleeve 2 is rotatably connected with a rotating ring 26, and the inner wall of the rotating ring 26 is fixedly connected with a plurality of push blocks 27 for pushing the guide block 23 through the screw, so that the guide block 23 is conveniently pushed to move, the outer wall of the fixed sleeve 2 is provided with a plurality of moving grooves for the push block 27 to move, the rotating ring 26 drives the push block 27 to drive the guide block 21 to move, and simultaneously the guide block 21 is fixedly connected with the guide block 25 through the rotating ring 27, and the outer wall of the guide post 21 is prevented from being moved by the rotating and the guide block 21, and the guide block 21 is simultaneously, and the accidental movement of the catheter body is prevented from being moved by the fixed body 21 and being fixedly connected with the guide block 21;

one side outer wall of the fixed sleeve 2 is fixedly connected with the connecting block 3 through a screw, a through hole is formed in the connecting block 3, a locating pin 31 is slidably connected in the through hole of the connecting block 3, a plurality of locating holes matched with the locating pin 31 are formed in the surface of the rotating ring 26, a lifting block 32 is integrally formed at the top of the locating pin 31, the outer wall of the locating pin 31 is fixedly connected with a limiting ring 33 through the screw, a fixed spring 34 used for supporting the limiting ring 33 is sleeved outside the fixed pin, the limiting ring 33 is supported by the fixed spring 34, the locating pin 31 is spliced in the locating hole of the rotating ring 26, the position of the rotating ring 26 is effectively fixed, and accidental rotation of the rotating ring 26 is avoided.

Working principle:

this a catheter device for vascular intervention is when using, be connected link 1 and sick bed, rotate fixing screw 11, make fixed plate 12 laminate mutually with the sick bed, make fixed connection between link 1 and the sick bed, again with catheter body 21 adjustment to suitable position, through rotating rotor 26, drive pusher 27 and remove, pusher 27 extrudees guide block 23, drive guide post 22 and fixed block 25 and remove, make a plurality of fixed blocks 25 laminate simultaneously in catheter body 21's outside, thereby fix catheter body 21's position, avoid catheter body 21 unexpected removal, after the fixed position of pipe is accomplished, fixed spring 34 supports spacing ring 33, make locating pin 31 peg graft in the locating hole of rotor 26, fix rotor 26's position, avoid rotor 26 unexpected rotation.

Finally, it should be noted that: the foregoing is merely preferred and is not intended to limit the utility model.

Claims (6)

1. Catheter device for vascular intervention treatment, comprising a connecting frame (1) and a fixed sleeve (2) arranged on one side of the connecting frame (1), and being characterized in that: the connecting frame comprises a connecting frame body, a connecting column (13) is fixedly connected to one side outer wall of the connecting frame body (1), a connecting sleeve (14) fixedly connected with a fixing sleeve (2) is connected to the outer portion of the connecting column (13) in a sliding mode, a catheter body (21) for vascular intervention treatment is movably connected to the fixing sleeve (2), a plurality of guide holes are formed in the fixing sleeve (2), a guide column (22) is connected to the inner portion of the guide hole of the fixing sleeve (2) in a sliding mode, a guide block (23) is fixedly connected to one side outer wall of the guide column (22), a fixing block (25) for fixing the catheter body (21) is fixedly connected to the other side outer wall of the guide column (22), a supporting spring (24) for supporting the pushing block is sleeved on the outer portion of the guide column (22), and a rotating ring (26) is connected to the outer portion of the fixing sleeve (2) in a rotating mode.

2. A catheter device for vascular intervention as in claim 1, wherein: the inner wall of the rotating ring (26) is fixedly connected with a plurality of pushing blocks (27) for pushing the guide blocks (23) to move, and a plurality of moving grooves for the pushing blocks (27) to move are formed in the outer wall of the fixed sleeve (2).

3. A catheter device for vascular intervention as in claim 1, wherein: threaded holes are formed in the bottom of the connecting frame (1), fixing screws (11) are connected in the threaded holes in the bottom of the connecting frame (1) in a threaded mode, and fixing plates (12) are connected to the tops of the fixing screws (11) in a rotating mode.

4. A catheter device for vascular intervention as claimed in claim 2, wherein: one side outer wall fixedly connected with connecting block (3) of fixed sleeve (2), the through-hole has been seted up on connecting block (3), and the through-hole sliding connection of connecting block (3) has locating pin (31), a plurality of locating holes with locating pin (31) assorted have been seted up on the surface of swivel becket (26).

5. A catheter device for vascular intervention as defined in claim 4, wherein: the outer wall of the locating pin (31) is fixedly connected with a limiting ring (33), and the outer part of the fixing pin is sleeved with a fixing spring (34) used for supporting the limiting ring (33).

6. A catheter device for vascular intervention as in claim 1, wherein: screw holes are formed in corresponding positions of the connecting column (13) and the connecting sleeve (14), and fixing bolts (15) are connected in the screw holes of the connecting column (13) and the connecting sleeve (14) in a threaded mode.