CN219398653U

CN219398653U - Balloon guiding catheter with simple suction

Info

Publication number: CN219398653U
Application number: CN202222464281.9U
Authority: CN
Inventors: 沈达勇; 周芳如; 张卫; 王星智
Original assignee: Affiliated Hospital of Xuzhou Medical University
Current assignee: Affiliated Hospital of Xuzhou Medical University
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-07-25
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to the technical field of guide pipes, in particular to a balloon guide catheter with simple suction. The guide tube comprises a guide tube body and a seat body communicated with the end part of the guide tube body, wherein a capillary tube is arranged in the guide tube body in a sliding mode, a saccule body is arranged on the outer wall of the capillary tube, and a protection assembly is arranged on the outer wall of the guide tube body, wherein: the protection assembly comprises a fixed ring fixedly connected to the outer wall of the guide pipe body and a sliding ring slidably arranged on the outer wall of the guide pipe body, the outer wall of the fixed ring is movably connected with a plurality of hinge rods, a waterproof film is arranged between every two adjacent hinge rods, and a movable rod is movably connected between the inner wall of the hinge rod and the sliding ring. According to the utility model, on one hand, blood in the splashing process is blocked, medical staff caused by outward splashing is avoided, and on the other hand, when the guide tube body and the capillary tube are pulled out and put into the waterproof membrane to be formed in the dome, blood stains attached to the surfaces of the guide tube body and the capillary tube are caught, and inconvenient cleaning caused by blood stain dripping is avoided.

Description

Balloon guiding catheter with simple suction

Technical Field

The utility model relates to the technical field of guide pipes, in particular to a balloon guide catheter with simple suction.

Background

The interventional technology of the cerebrovascular diseases is taken as a representative minimally invasive treatment mode, the introduction of novel interventional devices is rapidly developed along with the progress of imaging equipment in recent years, and cerebral nerve interventional doctors can treat more and more complex lesions, so that clinical application cases are more and more, and the related diseases are more and more extensive.

In the field of treating ischemic stroke, mechanical thrombus taking is an emerging treatment mode, and the principle is that the blood vessel blocking the brain is cleared through a bracket or a catheter by intravascular interventional therapy, so that the aim of treatment is fulfilled. When the balloon guiding catheter is used, the arterial sheath is placed through percutaneous puncture under the monitoring of advanced medical imaging equipment, the auxiliary thrombus taking instrument reaches the proximal end of the vascular thrombus, and the balloon is expanded to enable the balloon to be attached to the wall of the blood vessel to form local blocking so as to temporarily block the blood vessel;

for example, the Chinese patent application number is: CN202220117774.2 discloses a balloon guiding catheter, which comprises: the device comprises a base body, a composite pipe, a balloon and an extension pipe, wherein a main pore canal and a side pore canal are arranged on the base body, the composite pipe comprises an inner pipe and an outer pipe, the inner pipe is arranged in the outer pipe, the inner wall of the inner pipe is defined with a first channel, the inner wall of the outer pipe is defined with a second channel, the outer wall of the inner pipe is defined with a first channel, the first channel is communicated with the main pore canal, the second channel is communicated with the side pore canal, the balloon is arranged on the outer pipe, the outer pipe is far away from one end of the base body and is communicated with the second channel, the balloon guide catheter is used for adjusting the volume of the balloon by adjusting the liquid amount filled in the balloon, and the extension pipe is arranged on the inner pipe, far away from one end of the base body and is communicated with the first channel. The balloon guiding catheter can be used at different patient blood vessel positions, so that the application range of the balloon guiding catheter is enlarged, and the applicability is good;

however, after the above-mentioned suction balloon guiding catheter clears the blood vessel blockage, the guiding catheter and the balloon need to be taken down from the patient, and in the process of taking down, blood may be brought out, on the one hand, the blood is splashed outwards, and inconvenient to protect, on the other hand, medical staff is inconvenient to carry on the blood track attached to the surfaces of the guiding catheter and the balloon, and the blood drops are inconvenient to clean on the ground, therefore, we propose a simple suction balloon guiding catheter.

Disclosure of Invention

The utility model aims to provide a balloon guiding catheter with simple suction so as to solve the problems in the background technology.

In order to achieve the above object, the present utility model provides a balloon guiding catheter for simple aspiration, comprising a guiding catheter body and a base body with the end part of the guiding catheter body communicated, wherein a capillary tube for inserting into a blood vessel slides in the guiding catheter body, the outer wall of the capillary tube is provided with a balloon body for expanding and attaching to the blood vessel wall to form a local blocking, the outer wall of the guiding catheter body is provided with a protection component, wherein:

the protection assembly comprises a fixed ring fixedly connected to the outer wall of the guide pipe body and a sliding ring slidably arranged on the outer wall of the guide pipe body, the outer wall of the fixed ring is movably connected with a plurality of hinge rods, a waterproof film is arranged between every two adjacent hinge rods, a movable rod is movably connected between the inner wall of each hinge rod and the sliding ring, and when the sliding ring slides to be close to the fixed ring, the hinge rods drive the waterproof film to spread.

When the utility model is specifically used, the guiding tube body is inserted into an affected part, the capillary is inserted along a blood vessel, the balloon body is sucked and expanded to be attached to the wall of the blood vessel to form partial blocking, after the blood vessel is dredged, the capillary and the guiding tube body are pulled out through the contraction of the balloon body, meanwhile, the slip ring is pushed to approach towards the direction of the fixed ring, the hinging rod is opened along the outer wall of the fixed ring under the rotation of the movable rod, so that a plurality of waterproof films are unfolded to form a circular cover shape, the periphery of the guiding tube body is protected, blood in the splashing process is blocked, and then the guiding tube body and the capillary are pulled out and put into the waterproof films to form the circular cover, so that the blood stains attached to the surfaces of the guiding tube body and the capillary are received.

As a further improvement of the technical scheme, the waterproof membrane is made of elastic plastic, and the section of the waterproof membrane is corrugated and made of elastic plastic.

As a further improvement of the technical scheme, the sliding ring is matched with the outer wall of the guide tube body in sliding.

As a further improvement of the technical scheme, one of the outer walls of the hinge rods is provided with a binding band, and the binding band is used for binding and fixing along the outer walls of the hinge rods.

As a further improvement of the technical scheme, the surfaces of the binding bands are sewed with the son magic tape and the mother magic tape, and the surfaces of the son magic tape and the mother magic tape are mutually stuck and matched.

As a further improvement of the technical scheme, a plurality of clamping grooves are formed in the end portion, close to the sliding ring, of the fixing ring, and a plurality of clamping blocks matched with the clamping grooves in a clamping mode are arranged in the end portion, close to the fixing ring, of the sliding ring.

Compared with the prior art, the utility model has the beneficial effects that:

in this sacculus guide pipe of simple and easy suction, through when pulling out guide body and capillary, promote the sliding ring and be close to fixed ring direction, make the articulated lever open along fixed ring outer wall under the movable lever rotation to make a plurality of water proof membrane spread and form the dome form, protect around the guide body, make the blood that splashes the in-process stop, avoid outwards splashing to cause medical personnel, on the other hand, accomplish the pulling out with guide body and capillary and put into the water proof membrane formation in the dome, catch the blood stain that guide body and capillary surface are attached, avoid the inconvenient clearance of blood stain whereabouts.

Drawings

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

FIG. 2 is a schematic diagram showing the overall structure of embodiment 1 of the present utility model;

FIG. 3 is a schematic view of a protection component according to embodiment 1 of the present utility model;

FIG. 4 is a schematic view of a portion of a protective component according to embodiment 1 of the present utility model;

fig. 5 is a split view of the structure of the retaining ring and the slip ring according to embodiment 1 of the present utility model.

The meaning of each reference sign in the figure is:

1. a guide tube body; 11. a capillary tube; 12. a balloon body; 13. a base;

2. a protective assembly; 21. a fixing ring; 22. a slip ring; 220. a movable rod; 23. a hinge rod; 24. a waterproof membrane; 25. a strap; 26. a clamping block; 27. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, this embodiment provides a balloon guiding catheter with simple aspiration, which comprises a guiding catheter body 1 and a seat body 13 communicating with the end of the guiding catheter body 1, wherein the seat body 13 can be connected with aspiration equipment such as a syringe, so as to facilitate dredging of blood vessels and control of inflation of the balloon body 12, a capillary 11 for inserting into the blood vessels slides in the guiding catheter body 1, the outer wall of the capillary 11 is provided with a balloon body 12 for expanding and attaching to the blood vessel wall to form local occlusion, the capillary 11 is inserted along the blood vessels by inserting the guiding catheter body 1 into an affected part, the balloon body 12 is inflated and attaching to the blood vessel wall to form local occlusion, after dredging in the blood vessels, the capillary 11 and the guiding catheter body 1 are retracted by the balloon body 12 to complete dredging, and the outer wall of the guiding catheter body 1 is provided with a protection component 2, wherein:

the protection component 2 comprises a fixed ring 21 fixedly connected to the outer wall of the guide tube body 1 and a sliding ring 22 slidably arranged on the outer wall of the guide tube body 1, a plurality of hinge rods 23 are movably connected to the outer wall of the fixed ring 21, a waterproof film 24 is arranged between every two adjacent hinge rods 23, a movable rod 220 is movably connected between the inner wall of each hinge rod 23 and the corresponding sliding ring 22, when the sliding ring 22 slides to be close to the fixed ring 21, the hinge rods 23 drive the waterproof film 24 to spread, and in consideration of the fact that blood can be carried out in the process of taking down the guide tube body 1 and the capillary tube 11, the sliding ring 22 is pushed to be close to the fixed ring 21 when the guide tube body 1 and the capillary tube 11 are pulled out, the hinge rods 23 are opened along the outer wall of the fixed ring 21 under the rotation of the movable rods 220, so that the waterproof films 24 spread to form a circular cover shape, the periphery of the guide tube body 1 is protected, blood in the splashing process is prevented from being outwards caused, and blood is prevented from splashing on the other hand, the guide tube body 1 and the capillary tube 11 is completely pulled out to be placed into the waterproof film 24 to be formed in the circular cover, and blood drops on the surface of the guide tube body 1 and the capillary tube 11 are prevented from being attached to the surface of the capillary tube.

When the utility model is specifically used, the guide tube body 1 is inserted into an affected part, the capillary 11 is inserted along a blood vessel, the balloon body 12 is sucked and expanded to be attached to the wall of the blood vessel to form partial blocking, after the blood vessel is dredged, the capillary 11 and the guide tube body 1 are pulled out through the contraction of the balloon body 12, meanwhile, the slip ring 22 is pushed to approach towards the direction of the fixed ring 21, the hinged rod 23 is opened along the outer wall of the fixed ring 21 under the rotation of the movable rod 220, so that the waterproof films 24 are unfolded to form a circular cover shape, the periphery of the guide tube body 1 is protected, blood in the splashing process is blocked, and then the guide tube body 1 and the capillary 11 are pulled out and put into the waterproof films 24 to form the circular cover to catch the blood stains attached to the surfaces of the guide tube body 1 and the capillary 11.

Because the waterproof membrane 24 can drag along with the divergence of articulated rod 23, in order to avoid dragging the damage, make waterproof membrane 24 adopt elastic plastic material, and waterproof membrane 24 cross-section is "ripple" form, through elastic plastic material, conveniently drag waterproof membrane 24, and can freely drag not fragile through the waterproof membrane 24 of "ripple" form, improve the security.

When the sliding ring 22 slides on the outer wall of the guide pipe body 1, offset may occur, so that the plurality of hinge rods 23 extend outwards to offset, and therefore, when the sliding ring 22 pushes, the sliding ring 22 can slide along the outer wall of the guide pipe body 1, offset is avoided, and even spreading of the hinge rods 23 is ensured.

Because when laminating guide pipe body 1 outer wall inwards with a plurality of articulated bars 23, can save the occupation space of water proof membrane 24, improve the assembly convenience when not using, in addition, can not carry out spacingly when water proof membrane 24 shrink, easily lead to the mistake to touch sliding ring 22 and cause articulated bar 23 to open, consequently, be equipped with bandage 25 at one of them articulated bar 23 outer wall, bandage 25 is used for binding along a plurality of articulated bar 23 outer walls fixedly, realize when not using, twine bandage 25 at a plurality of articulated bar 23 outer walls and bind, effectively prevent a plurality of articulated bar 23 unexpected opening, keep saving space's state.

Specifically, in order to further improve the convenience that the bandage 25 binded a plurality of articulated rod 23, make son magic subsides and female magic subsides on bandage 25 surface, son magic subsides and female magic subsides surface mutually paste the cooperation, make son magic subsides surface be colluded the face, female magic subsides are the hair face, the two can surface contact laminating, conveniently bind bandage 25 at articulated rod 23 outer wall intensity higher, and when dismantling, only need the pulling bandage 25 tip can, break away from binded articulated rod 23.

When the sliding ring 22 approaches the fixed ring 21 to realize that the hinging rod 23 is opened, in order to keep the hinging rod 23 open, the circular cover formed by a plurality of waterproof films 24 is ensured to be connected with the guide body 1 and the capillary tube 11, a plurality of clamping grooves 27 are formed in the end part, close to the sliding ring 22, of the fixed ring 21 through the fixed ring 21, a plurality of clamping blocks 26 which are matched with the clamping grooves 27 in a clamping manner are formed in the end part, close to the fixed ring 21, of the sliding ring 22, the hinging rod 23 is driven to open by the sliding ring 22, the waterproof films 24 form the circular cover, and meanwhile the clamping blocks 26 are aligned with the clamping grooves 27 to be inserted for clamping fit, so that the connection and the fixation between the sliding ring 22 and the fixed ring 21 are realized, and the stability of the circular cover formed by the waterproof films 24 is realized.

When the balloon guiding catheter easy to suck is specifically used, the binding band 25 is wound on the outer walls of the hinge rods 23 to bind, the surfaces of the sub-magic tapes and the mother magic tapes are adhered and matched with each other, the hinge rods 23 are effectively prevented from being accidentally opened, then the guiding catheter body 1 is inserted into an affected part in use, the capillary tube 11 is inserted along a blood vessel, the balloon body 12 is sucked and expanded to be attached to the wall of the blood vessel to form a local blocking, after the blood vessel is dredged, the capillary tube 11 and the guiding catheter body 1 are pulled out through the contraction of the balloon body 12, meanwhile, the slip ring 22 is pushed to approach the fixed ring 21, the hinge rods 23 are opened along the outer walls of the fixed ring 21 under the rotation of the movable rod 220, the waterproof films 24 in a corrugated shape can be pulled freely, so that the waterproof films 24 are stretched out to form a circular cover shape, meanwhile, the clamping blocks 26 are inserted into the clamping grooves 27 to be matched in a clamping mode, the connection between the slip ring 22 and the fixed ring 21 is realized, the waterproof films 24 form the circular cover stability, the guiding catheter body 1 is protected, the blood in the splashing process is blocked, and then the capillary tube 1 is blocked from being pulled out, and the capillary tube 11 is completely attached to the surface of the capillary tube 11, and the capillary tube 11 is completely pulled out.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sacculus guide pipe of simple and easy suction, includes guide body (1) and guide body (1) tip intercommunication pedestal (13), guide body (1) inside slip is equipped with capillary (11) that are used for inserting the blood vessel, capillary (11) outer wall is equipped with and is used for the inflation to attach in the sacculus body (12) that the blood vessel wall formed local shutoff, its characterized in that: the guide body (1) outer wall is equipped with protection component (2), wherein:

the protection assembly (2) comprises a fixed ring (21) fixedly connected to the outer wall of the guide body (1) and a sliding ring (22) slidably arranged on the outer wall of the guide body (1), wherein a plurality of hinge rods (23) are movably connected to the outer wall of the fixed ring (21), a waterproof membrane (24) is arranged between every two adjacent hinge rods (23), a movable rod (220) is movably connected between the inner wall of each hinge rod (23) and the corresponding sliding ring (22), and when the sliding ring (22) slides to be close to the fixed ring (21), the hinge rods (23) drive the waterproof membrane (24) to spread.

2. The simple aspiration balloon guide catheter of claim 1, wherein: the waterproof membrane (24) is made of elastic plastic, and the section of the waterproof membrane (24) is corrugated.

3. The simple aspiration balloon guide catheter of claim 1, wherein: the slip ring (22) slides in fit with the outer wall of the guide body (1).

4. The simple aspiration balloon guide catheter of claim 1, wherein: one of the outer walls of the hinge rods (23) is provided with a binding band (25), and the binding band (25) is used for binding and fixing along the outer walls of the hinge rods (23).

5. The simple aspiration balloon guide catheter of claim 4, wherein: the surface of the binding belt (25) is sewed with a son magic tape and a mother magic tape, and the surfaces of the son magic tape and the mother magic tape are mutually adhered and matched.

6. The simple aspiration balloon guide catheter of claim 1, wherein: the end part of the fixed ring (21) close to the slip ring (22) is provided with a plurality of clamping grooves (27), and the end part of the slip ring (22) close to the fixed ring (21) is provided with a plurality of clamping blocks (26) which are matched with the clamping grooves (27) in a clamping way.