CN212593433U - High-flexibility spliced neurovascular catheter - Google Patents

Abstract

The utility model discloses a neural intravascular catheter of concatenation formula of high flexibility, including the injection tube, the intermediate position fixed mounting of the outside upper end of injection tube has the injection connector, the outside avris of injection tube is vertically carved with the scale, the inside movable mounting of injection tube has the injection push rod, the outside upper end movable mounting of injection connector has the connection external member, the injection push rod passes the inside fixedly connected with resistance plug of injection tube, the inside upper strata of flexible interior pipe is fixed with flexible inoxidizing coating, the bottom of flexible inoxidizing coating is fixed with prevents the inlayer that splits. This high flexible concatenation formula neurovascular interior pipe through being multistage detachable concatenation assembled structure with global design, makes its whole can install additional, dismouting or work such as accomodate this pipe according to the concrete user demand in the practical application use on self structure has better stability in use's basis, the promotion of great degree holistic result of use and working property.

Description

High-flexibility spliced neurovascular catheter

Technical Field

The utility model relates to the technical field of medical equipment, specifically a high flexible concatenation formula neurovascular inner catheter.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles which are directly or indirectly used for the human body, and comprises required computer software for diagnosing, preventing, monitoring, treating or relieving diseases; the diagnosis, monitoring, treatment, alleviation or function compensation of injuries and the like, neurovascular catheters are extremely important auxiliary tools in neurology surgery.

However, the existing neurovascular catheters in the existing market mostly exist, the whole is a continuous integral hollow hose structure, the multifunctional neurovascular catheter is good in structural stability, but not applicable to various use conditions and use environments, the flow rate and the length of the multifunctional neurovascular catheter can not be adjusted according to specific use requirements, so that the whole use effect and the work performance are affected to a certain degree, and due to the structural limitation of the multifunctional neurovascular catheter, the whole use function is correspondingly limited to a greater degree, and the whole application range is narrow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high flexible concatenation formula neurovascular inner catheter, in order to solve and to propose in the above-mentioned background art that whole is mostly a continuous integral type hollow hose structure, though have better structural stability, but be not suitable for under multiple in service behavior and the service environment, can not carry out the regulation in the aspect of velocity of flow and self length etc. according to specific user demand, so that holistic result of use and working property have received the influence of certain degree, and because self structural restriction, make holistic service function nature corresponding the restriction that has received great degree, thereby lead to the narrower problem of whole application scope.

In order to achieve the above object, the utility model provides a following technical scheme: a high-flexibility spliced neurovascular inner catheter comprises an injection tube, an injection connector is fixedly installed at the middle position of the upper end of the outer part of the injection tube, scales are vertically carved on the lateral side of the outer part of the injection tube, an injection push rod is movably installed in the inner part of the injection tube, a connecting sleeve is movably installed at the upper end of the outer part of the injection connector, the injection push rod penetrates through a resistance rubber plug fixedly connected with the inner part of the injection tube, a drainage tube is fixedly connected with the upper end of the outer part of the connecting sleeve, a liquid accumulation ball tube is preset at the middle position of the outer part of the drainage tube, a flow regulating pulley is fixedly installed at the other end position of the outer part of the drainage tube, the drainage tube penetrates through a flow guide tube fixedly connected with the inner part of the flow regulating pulley, a spliced sleeve is fixedly, the flexible inner pipe is characterized in that a connecting screw rod is fixedly mounted at the upper end of the outer portion of the flexible inner pipe, the other end of the flexible inner pipe is fixedly connected with an access end, a flexible protective layer is fixed on the upper layer of the inner portion of the flexible inner pipe, and an anti-fracture inner layer is fixed at the bottom of the flexible protective layer.

Preferably, the whole injection cylinder is of a traditional easy-to-use cylinder structure, scales are longitudinally carved on the side position outside the injection cylinder at equal intervals, the metering unit of the scales is ml, and the injection push rod is of a cylindrical long rod structure inside the injection cylinder.

Preferably, connect the whole discoid structure that adopts the rubber material of external member to with mutual seamless connection between the one end of injection push rod, connect the external specification of external member and injection connector interconnect department, and connect external member and hydrops bulb pipe and communicate each other between injection tube and honeycomb duct.

Preferably, the splicing sleeve and the flow guide pipe are in seamless connection, and the inner diameter size of the splicing sleeve and the specification of the internal thread of the connecting thread groove are respectively in corresponding fit with the outer diameter size and the external thread specification of the connecting screw rod.

Preferably, the flexible protective layer and the fracture-preventing inner layer are both hollow cylinder structures inside the flow guide pipe, and the inner diameter size and the outer diameter size of the flexible protective layer correspond to the outer diameter size and the inner diameter size of the flexible inner pipe and the fracture-preventing inner layer respectively.

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

1. the high-flexibility spliced neurovascular catheter is combined with the problems in the prior art to carry out optimization and improvement on the overall structure to a greater extent, and the overall structure is designed into a multi-section detachable spliced assembly type structure, so that the catheter can be additionally installed, disassembled or stored according to the specific use requirements in practical application and use on the basis that the structure of the catheter has better use stability, and the overall use effect and the working performance are improved to a greater extent;

2. this high flexible concatenation formula neurovascular inner catheter through at the inside flexible inoxidizing coating and the inlayer of preventing splitting of having add of flexible inner catheter, makes whole formula composite hose structure as an organic whole, can be applied to under the multiple service environment to can satisfy the multiple user demand under the different application conditions, and then effectively richened holistic service functionality, thereby the at utmost has enlarged holistic application scope on the basis that has promoted whole comprehensive performance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is an enlarged schematic view of the screw thread splicing part of the present invention;

fig. 4 is a schematic view of the flexible structure of the conduit according to the present invention.

In the figure: 1. an injection tube; 2. an injection connector; 3. calibration; 4. an injection push rod; 5. a connecting kit; 6. a resistance rubber plug; 7. a drainage tube; 8. liquid accumulation bulb tube; 9. a flow regulating pulley; 10. a flow guide pipe; 11. splicing the sleeve; 12. a flexible inner conduit; 13. connecting the thread groove; 14. connecting a screw rod; 15. connecting an end head; 16. a flexible protective layer; 17. and a fracture-preventing inner layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-flexibility spliced neurovascular catheter comprises an injection tube 1, an injection connector 2, scales 3, an injection push rod 4, a connecting sleeve 5, a resistance rubber plug 6, a drainage tube 7, a hydrops bulb tube 8, a flow regulating pulley 9, a flow guide tube 10, a spliced sleeve 11, a flexible inner catheter 12, a connecting thread groove 13, a connecting screw 14, an access end 15, a flexible protective layer 16 and an anti-fracture inner layer 17, wherein the injection connector 2 is fixedly arranged at the middle position of the outer upper end of the injection tube 1, the scales 3 are longitudinally carved on the outer side of the injection tube 1, the injection push rod 4 is movably arranged in the injection tube 1, the connecting sleeve 5 is movably arranged at the outer upper end of the injection connector 2, the injection push rod 4 penetrates through the inner part of the injection tube 1 and is fixedly connected with the resistance rubber plug 6, the drainage tube 7 is fixedly connected at the outer upper end of the connecting, a flow adjusting pulley 9 is fixedly installed at the other end of the outer portion of the drainage tube 7, the drainage tube 7 penetrates through the flow adjusting pulley 9 and is fixedly connected with a drainage tube 10, a splicing sleeve 11 is fixedly connected to the bottom of the drainage tube 10, a flexible inner guide tube 12 is movably installed on the outer portion of the splicing sleeve 11, a connecting thread groove 13 is preset in the splicing sleeve 11, a connecting screw 14 is fixedly installed at the upper end of the outer portion of the flexible inner guide tube 12, an access end head 15 is fixedly connected to the other end of the flexible inner guide tube 12, a flexible protective layer 16 is fixed on the upper layer of the inner portion of the flexible inner guide tube 12, and an anti-fracture inner;

preferably, the syringe 1 is of a traditional easy-to-use syringe structure, the scales 3 are longitudinally and equidistantly engraved on the lateral side of the outside of the syringe 1, the metering units of the scales 3 are ml, and the injection push rod 4 is of a cylindrical long rod structure inside the syringe 1.

Preferably, the whole connecting sleeve 5 is of a disc-shaped structure made of rubber and is in seamless connection with one end of the injection push rod 4, the connecting sleeve 5 and the injection connector 2 are in external specifications at the connection position, and the connecting sleeve 5 and the effusion bulb 8 are communicated with each other between the injection tube 1 and the flow guide tube 10, so that the reasonable stability of the whole structure is effectively ensured, the use strength of the whole is correspondingly improved, and the use stability of the whole in practical application and use work is improved;

preferably, the splicing sleeve 11 and the draft tube 10 are in seamless connection, and the inner diameter size of the splicing sleeve 11 and the specification of the internal thread of the connecting thread groove 13 are respectively identical with the outer diameter size and the external thread specification of the connecting screw 14, so that the use functionality of the whole body in normal use work is effectively enriched;

preferably, the flexible protective layer 16 and the fracture-preventing inner layer 17 are both hollow cylindrical structures inside the flow guide pipe 10, and the inner diameter size and the outer diameter size of the flexible protective layer 16 respectively correspond to the outer diameter size and the inner diameter size of the flexible inner guide pipe 12 and the fracture-preventing inner layer 17, so that the overall application range is effectively expanded on the basis of improving the overall comprehensive use performance.

The working principle is as follows: firstly, the sleeve-joint plug-in structure between the injection connector 2 and the connecting sleeve 5 and the flexible inner conduit 12 utilize the corresponding and inosculated assembly type connection relationship between the internal thread groove of the splicing sleeve 11 and the external thread of the connecting screw 14, so that the whole conduit can be additionally installed, disassembled or accommodated according to the specific use requirement in the practical application on the basis of better use stability of the structure of the conduit, the injection tube 1 utilizes the ejection structure formed by assembling the internal injection push rod 4 and the resistance rubber plug 6, the use functionality of the whole body in the normal use work can be effectively enriched, and the composite butt-shaped structure formed by mutually seamlessly connecting the flexible protective layer 16 and the fracture-preventing inner layer 17 arranged in the flexible inner conduit 12 per se enables the whole conduit to have better toughness in the practical application use work, and the use safety of the whole body is improved, therefore, the overall application range is effectively expanded on the basis of improving the overall comprehensive use performance.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a high flexible concatenation formula neurovascular catheter, includes the injection cylinder, its characterized in that: the middle position of the upper end of the outside of the injection tube is fixedly provided with an injection connector, the outside edge side of the injection tube is vertically carved with scales, the inside of the injection tube is movably provided with an injection push rod, the outside upper end of the injection connector is movably provided with a connecting external member, the injection push rod passes through a resistance rubber plug fixedly connected inside the injection tube, the outside upper end of the connecting external member is fixedly connected with a drainage tube, the middle position of the outside of the drainage tube is preset with a liquid accumulation ball tube, the other end position of the outside of the drainage tube is fixedly provided with a flow regulating pulley, the drainage tube passes through a flow guide tube fixedly connected inside the flow regulating pulley, the bottom of the flow guide tube is fixedly connected with a splicing sleeve, the outside of the splicing sleeve is movably provided with a flexible inner guide tube, the inside of the, the other end fixedly connected with of flexible inner tube connects the end, the inside upper strata of flexible inner tube is fixed with the flexible inoxidizing coating, the bottom of flexible inoxidizing coating is fixed with the inner layer of preventing splitting.

2. The spliced neurovascular catheter of claim 1, wherein: the syringe is of a traditional easy-to-use syringe structure, scales are longitudinally carved on the side of the outside of the syringe at equal intervals, the measuring unit of the scales is ml, and the injection push rod is of a cylindrical long rod structure inside the syringe.

3. The spliced neurovascular catheter of claim 1, wherein: connect the whole discoid structure that adopts rubber material of external member to with mutual seamless connection between the one end of injection push rod, connect the external specification of external member and injection connector interconnect department, and connect external member and hydrops bulb tube and communicate each other between injection tube and honeycomb duct.

4. The spliced neurovascular catheter of claim 1, wherein: the splicing sleeve and the flow guide pipe are connected in a seamless mode, and the inner diameter size of the splicing sleeve and the specification of the internal thread of the connecting thread groove are identical to and correspondingly matched with the outer diameter size and the external thread specification of the connecting screw respectively.

5. The spliced neurovascular catheter of claim 1, wherein: the flexible protective layer and the anti-fracture inner layer are both of hollow cylinder structures inside the flow guide pipe, and the inner diameter size and the outer diameter size of the flexible protective layer correspond to the outer diameter size and the inner diameter size of the flexible inner pipe and the anti-fracture inner layer respectively.

Images