CN213097946U - Auxiliary injection device for cardiovascular radiography - Google Patents

Abstract

The utility model discloses a supplementary injection ware of cardiovascular radiography, include barrel, push rod, auxiliary rod, block rubber, slider, place board, spout, dead lever, thread groove, solid fixed ring, clearance sponge, limiting plate, fixed block, import groove and fixed slot. The utility model has simple structure and convenient operation, and can remove the fixation between the fixed rod and the placing plate by twisting the fixed rod, pull out the fixed rod to move the auxiliary rod, adjust the position of the auxiliary rod according to the pull-out length of the push rod, and fix the fixed rod again, thereby solving the problem that the push rod of the prior auxiliary injector is inconvenient to push when in use, avoiding the problem of inconvenient pushing caused by longer pull-out of the push rod, and improving the convenience of the injector when in use; the auxiliary pushing device solves the problem that a push rod of the conventional radiography auxiliary pushing device easily brings sundries into the barrel when in use, and improves the practicability of the auxiliary pushing device.

Description

Auxiliary injection device for cardiovascular radiography

Technical Field

The utility model relates to an auxiliary injector, in particular to an auxiliary injector for cardiovascular radiography, which belongs to the technical field of auxiliary injector application.

Background

The cardiovascular angiography is characterized in that a contrast agent is quickly injected into a heart cavity or a blood vessel through a cardiac catheter, the heart and the blood vessel cavity are developed under the X-ray irradiation, and the development process of the heart and the blood vessel cavity is shot by methods such as quick photography, television photography or video tape and the like, so that the blood flowing sequence containing the contrast agent and the filling condition of the heart blood vessel can be seen from the development result, and the physiological and anatomical changes of the heart and the blood vessel are solved.

The contrast medium needs to be pushed through the auxiliary injector in the angiocardiography, and the conventional auxiliary injector is generally provided with an auxiliary rod on a push rod and a barrel when in use, is convenient to push, but is longer because the push rod is fixed, but is possibly inconvenient to hold when the push rod is pulled out, so that the push rod is more labor-consuming when pushed, and the convenience of the auxiliary injector in use is reduced.

Present injector exposes may adhere the foul on the push rod in the outside when using, leads to promoting when promoting, drives the foul to the barrel inside, leads to the barrel clearance comparatively inconvenient. Therefore, an auxiliary injector for cardiovascular radiography is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving the above problems and providing an auxiliary injector for angiocardiography.

The utility model realizes the above purpose by the following technical proposal, a cardiovascular radiography auxiliary injector, which comprises a cylinder body, an adjusting structure and a cleaning structure, wherein a push rod is arranged inside the cylinder body, and auxiliary rods are arranged on both sides of the cylinder body;

the adjusting structure comprises a sliding block, the sliding block is fixed at one end, close to the cylinder, of the auxiliary rod, the placing plate is fixed at the side edge, close to the auxiliary rod, of the cylinder, the placing plate is internally provided with a sliding groove matched with the sliding block, the sliding block and the placing plate are fixed through a fixed rod, and threaded grooves matched with the fixed rod are uniformly formed in the placing plate;

the clearance structure is including the clearance sponge, one side that the barrel is close to the push rod is fixed with solid fixed ring, and the inside block of solid fixed ring has placed the clearance sponge, the inside limiting plate that is provided with of solid fixed ring of clearance sponge side, the symmetry is fixed with the fixed block on the limiting plate, gu fixed ring keeps away from one side of barrel and seted up with fixed block complex import groove, and the solid fixed ring of import groove side is inside all seted up with fixed block complex fixed slot.

Preferably, rubber blocks are uniformly glued on the inner side of the auxiliary rod, and the rubber blocks are all in an oval shape.

Preferably, the slide block is internally provided with fixing holes matched with the fixing rod, and the outer surface of the front side of the fixing rod is equally fixed with the anti-slip strips.

Preferably, the length of clearance sponge equals the length of solid fixed ring, the opening has been seted up at the top of clearance sponge.

Preferably, the cleaning sponge is arranged to be annular and matched with the push rod, and the diameter of the inner side of the cleaning sponge is smaller than the diameter of the outer surface of the push rod.

Preferably, the fixed block outside all sets up to with fixed slot complex arc, the inboard diameter of limiting plate is greater than the inboard diameter of clearance sponge.

The utility model has the advantages that:

1. the utility model has simple structure and convenient operation, and can remove the fixation between the fixed rod and the placing plate by twisting the fixed rod, pull out the fixed rod to move the auxiliary rod, adjust the position of the auxiliary rod according to the pull-out length of the push rod, and fix the fixed rod again, thereby solving the problem that the push rod of the prior auxiliary injector is inconvenient to push when in use, avoiding the problem of inconvenient pushing caused by longer pull-out of the push rod, and improving the convenience of the injector when in use;

2. the utility model discloses a solid fixed ring and limiting plate cooperation will clear up the sponge block and place inside solid fixed ring, when rethread push rod promotes and the friction between the clearance sponge for the clearance sponge is cleaned the push rod surface, thereby avoids the push rod to expose inside debris entering barrel in the outside, has solved inside current radiography auxiliary injection ware push rod brings debris into the barrel easily when using, has improved auxiliary injection ware's practicality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

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

FIG. 3 is a schematic side view of the structure of the present invention;

fig. 4 is a schematic side view of the structure of the fixing ring of the present invention.

In the figure: 1. barrel, 2, push rod, 3, auxiliary rod, 4, block rubber, 5, slider, 6, place the board, 7, spout, 8, dead lever, 9, thread groove, 10, solid fixed ring, 11, clearance sponge, 12, limiting plate, 13, fixed block, 14, import groove, 15, fixed slot.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, an auxiliary injector for cardiovascular angiography comprises a cylinder 1, an adjusting structure and a cleaning structure, wherein a push rod 2 is arranged inside the cylinder 1, and auxiliary rods 3 are arranged on both sides of the cylinder 1;

the adjusting structure comprises a sliding block 5, the sliding block 5 is fixed at one end, close to the cylinder body 1, of the auxiliary rod 3, a placing plate 6 is fixed at the side edge, close to the auxiliary rod 3, of the cylinder body 1, sliding grooves 7 matched with the sliding block 5 are formed in the placing plate 6, the sliding block 5 and the placing plate 6 are fixed through a fixing rod 8, and threaded grooves 9 matched with the fixing rod 8 are formed in the placing plate 6 uniformly;

the clearance structure is including clearance sponge 11, one side that barrel 1 is close to push rod 2 is fixed with solid fixed ring 10, and the inside block of solid fixed ring 10 has placed clearance sponge 11, the solid fixed ring 10 inside of clearance sponge 11 side is provided with limiting plate 12, the symmetry is fixed with fixed block 13 on the limiting plate 12, gu fixed ring 10 keeps away from one side of barrel 1 seted up with fixed block 13 complex import groove 14, and the solid fixed ring 10 inside of import groove 14 side all seted up with fixed block 13 complex fixed slot 15.

Rubber blocks 4 are uniformly glued on the inner sides of the auxiliary rods 3, the rubber blocks 4 are all in an oval shape, and the rubber blocks 4 are used for buffering and protecting the hands of a user, so that the auxiliary rods 3 are prevented from cutting the hands when the user applies force, and the comfort level of the cylinder 1 in use is improved; fixing holes matched with the fixing rods 8 are formed in the sliding block 5, the anti-slip strips are uniformly fixed on the outer surface of the front side of each fixing rod 8, and the function of the anti-slip strips is to ensure that the fixing rods 8 can penetrate through the sliding block 5 to move into the thread grooves 9, so that the sliding block 5 can be fixed, and the fixing rods 8 are more convenient and labor-saving when being screwed; the length of the cleaning sponge 11 is equal to that of the fixing ring 10, the top end of the cleaning sponge 11 is provided with an opening, and the opening has the function of ensuring that the cleaning sponge 11 is in a compressed state when the limiting plate 12 is fixed in the fixing ring 10, so that the cleaning sponge 11 is clamped and fixed in the fixing ring 10, and the cleaning sponge 11 can be ensured to be wound and sleeved on the outer side of the push rod 2; the cleaning sponge 11 is arranged in an annular shape matched with the push rod 2, the diameter of the inner side of the cleaning sponge 11 is smaller than that of the outer surface of the push rod 2, and the cleaning sponge 11 is used for ensuring that the cleaning sponge 11 can be tightly attached to the push rod 2, so that friction between the cleaning sponge 11 and the push rod 2 is ensured when the push rod 2 moves, and the outer surface of the push rod 2 is conveniently cleaned; fixed block 13 outside all sets up to the arc with fixed slot 15 complex, the inboard diameter of limiting plate 12 is greater than the inboard diameter of clearance sponge 11, and its effect is for making things convenient for fixed block 13 to rotate in fixed slot 15 is inside for fixed block 13 rotates to misplace with import groove 14, and the convenience is fixed limiting plate 12, and contacts with limiting plate 12 inboard when avoiding push rod 2 to remove.

When the utility model is used, when the cylinder body 1 is needed to be used, firstly, the cleaning sponge 11 is clamped and placed in the fixing ring 10, the fixing blocks 13 at the two sides of the limiting plate 12 are aligned with the inlet groove 14, then the limiting plate 12 is pressed to move the fixing blocks 13 to the inside of the fixing groove 15, the limiting plate 12 is rotated, when the fixing blocks 13 are completely dislocated with the inlet groove 14, the limiting plate 12 can be fixed on the fixing ring 10, so that the cleaning sponge 11 is clamped and fixed in the fixing ring 10, when the push rod 2 is pushed, the fixing rod 8 is firstly screwed to remove the fixing between the fixing rod 8 and the placing plate 6, the fixing rod 8 is pulled out from the inside of the sliding block 5, thereby the sliding block 5 can be moved, the auxiliary rod 3 is driven to move on the cylinder body 1, when the auxiliary rod 3 is moved to the needed position, the fixing rod 8 is inserted into the inside of, the convenient push rod 2 that promotes through the assistance of auxiliary rod 3, produces the friction between 2 surfaces of push rod and the clearance sponge 11 simultaneously to wipe push rod 2, when the debris of 11 surface collections of clearance sponge are more, can counter-rotation limiting plate 12, make fixed block 13 align the back with fixed slot 15, follow fixed ring 10 inside with limiting plate 12 and pull out, can follow fixed ring 10 inside with clearance sponge 11 and take out.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. An auxiliary injector for cardiovascular radiography, which is characterized in that: the device comprises a cylinder body (1), an adjusting structure and a cleaning structure, wherein a push rod (2) is arranged in the cylinder body (1), and auxiliary rods (3) are arranged on two sides of the cylinder body (1);

the adjusting structure comprises a sliding block (5), the sliding block (5) is fixed at one end, close to the cylinder body (1), of the auxiliary rod (3), a placing plate (6) is fixed at the side edge, close to the auxiliary rod (3), of the cylinder body (1), sliding grooves (7) matched with the sliding block (5) are formed in the placing plate (6), the sliding block (5) and the placing plate (6) are fixed through a fixing rod (8), and threaded grooves (9) matched with the fixing rod (8) are formed in the placing plate (6) uniformly;

the clearance structure is including clearance sponge (11), one side that barrel (1) is close to push rod (2) is fixed with solid fixed ring (10), and solid fixed ring (10) inside block has placed clearance sponge (11), solid fixed ring (10) inside of clearance sponge (11) side is provided with limiting plate (12), the symmetry is fixed with fixed block (13) on limiting plate (12), gu fixed ring (10) keep away from one side of barrel (1) seted up with fixed block (13) complex import groove (14), and import groove (14) side gu fixed ring (10) inside all seted up with fixed block (13) complex fixed slot (15).

2. The angiographic assist syringe of claim 1, wherein: the inner sides of the auxiliary rods (3) are uniformly glued with rubber blocks (4), and the rubber blocks (4) are all in an oval shape.

3. The angiographic assist syringe of claim 1, wherein: the anti-skidding mechanism is characterized in that fixing holes matched with the fixing rods (8) are formed in the sliding blocks (5), and anti-skidding strips are uniformly fixed on the outer surfaces of the front sides of the fixing rods (8).

4. The angiographic assist syringe of claim 1, wherein: the length of clearance sponge (11) equals the length of solid fixed ring (10), the opening has been seted up on the top of clearance sponge (11).

5. The angiographic assist syringe of claim 1, wherein: the cleaning sponge (11) is arranged to be annular and matched with the push rod (2), and the diameter of the inner side of the cleaning sponge (11) is smaller than the diameter of the outer surface of the push rod (2).

6. The angiographic assist syringe of claim 1, wherein: the fixed block (13) outside all sets up to with fixed slot (15) complex arc, the inboard diameter of limiting plate (12) is greater than the inboard diameter of clearance sponge (11).

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