CN216603688U - Self-destruction syringe convenient to use - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, and discloses a self-destruction injector convenient to use, which comprises an injection tube, wherein the top end of the injection tube is provided with an opening, the outer side surface of the injection tube is symmetrically provided with a baffle plate, the outer side wall of the injection tube is communicated with a shell, a limiting rod with the left end positioned in the inner cavity of the injection tube is arranged in the inner cavity of the shell, through the self-destruction injector convenient to use, medical personnel firstly insert an injection needle into a medicine bottle, then extract a vertical rod upwards, in the extraction process, the injection needle draws a medicine by a piston plate according to the principle of a piston, then the injection needle penetrates into a human body, then push the vertical rod, the vertical rod enables the piston plate to extrude and convey the medicine through a first limiting rod and a second limiting rod, and convey the medicine into the human body, so that the vertical rod is difficult to extract upwards, thereby realizing self-destruction, avoid the infection that syringe cyclic utilization caused.

Description

Self-destruction syringe convenient to use

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a self-destruction injector convenient to use.

Background

The self-destruction syringe is a disposable syringe product which can prevent repeated use after use, and after injection is finished, the push rod cannot be pulled out of the syringe by hand or mechanical force, so that self-locking is achieved, or the sealing performance of the piston is damaged, or the push rod of the syringe can be inferred, and the aim of preventing repeated use is finally fulfilled.

However, in the case of a syringe which is susceptible to recycling, resulting in infection of the patient, it is necessary to solve this technical problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a self-destruction injector which is convenient to use, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a self-destruction syringe convenient to use, includes the injection tube, the top of injection tube is equipped with the opening, the lateral surface symmetry of injection tube has the baffler, the lateral wall intercommunication of injection tube has the casing, it is located to be equipped with left end in the inner chamber of casing the gag lever post in injection tube inner chamber, the cover is equipped with the spring on the gag lever post, be equipped with the baffle on the gag lever post, the injection tube inner chamber is equipped with the montant, the bottom of montant is equipped with first gag lever post, the bottom mounting of first gag lever post has the second gag lever post, the bottom mounting of second gag lever post has the piston board, the intercommunication can be dismantled to the bottom of injection tube has the syringe needle.

In order to reduce the manufacturing cost, it is preferable that the housing, the limiting rod, the spring and the baffle are made of polyethylene.

In order to avoid medical personnel to point the condition that the skew appears when injecting, preferentially, the top of montant is fixed with presses the clamp plate, just it has the plastic slipmat to press horizontal array on the clamp plate.

In order to avoid the spring from falling off, it is preferable that a limiting plate penetrated by a limiting rod is provided at a communication position between the housing and the syringe, and the limiting plate abuts against an end of the spring.

In order to avoid the situation that the piston plate is blocked by the limiting rod when the piston plate is not in contact with the bottom end of the inner cavity of the injection cylinder, the bottom end of the piston plate and the left end of the limiting rod are preferably provided with inclined surfaces.

In order to make the piston plate more effective in delivering the medicament, it is preferable that the outer side of the piston plate is sleeved with a plastic pad.

(III) advantageous effects

Compared with the prior art, the utility model provides a self-destruction injector convenient to use, which has the following beneficial effects:

1. this self-destruction syringe convenient to use, medical personnel insert the syringe needle inside the medicine bottle earlier, later extract the montant to the top, the principle that the in-process piston board passes through the piston at the extraction makes the syringe needle draw the medicament, then pierce the syringe needle to the human body in, then promote the montant, the montant makes the piston board extrude the medicament through first gag lever post and second gag lever post and carries, carry the medicament to the human body in, carrying out the in-process of carrying, thereby if the power that the bottom gag lever post that the piston board reachd the injection tube inner chamber provided through the spring removes to the inside inboard of injection tube and blocks the second gag lever post, make its montant be difficult to extract to the top, thereby realize the self-destruction, avoid the infection that syringe cyclic utilization led to the fact.

2. This self-destruction syringe convenient to use, through casing, restriction lever, spring and baffle all adopt the polyethylene material, can be when reducing preparation cost, can also avoid appearing the condition of rust, the long-time storage of being convenient for, the plastic slipmat can avoid medical personnel to point the condition that the skew appears when injecting, the restriction board can avoid the spring to take place the condition that drops, the bottom of piston board and the left end of restriction lever all are equipped with the inclined plane, can effectually avoid the piston board to lead to the condition that the piston board blocked when not contacting with injection tube inner chamber bottom, the plastic mat can effectually increase the sealed of piston board to the injection tube inner chamber, makes the piston board more effectual carry the medicament.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention.

In the figure: 1. an injection tube; 2. a barrier plate; 3. a housing; 4. a restraining bar; 5. a spring; 6. a baffle plate; 7. a vertical rod; 8. a first restricting lever; 9. a second restricting lever; 10. a piston plate; 11. an injection needle; 12. a plastic anti-skid pad; 13. and a limiting plate.

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: comprises an injection tube 1, the top end of the injection tube 1 is provided with an opening, the lateral surface of the injection tube 1 is symmetrical to be provided with a barrier plate 2, the lateral wall of the injection tube 1 is communicated with a shell 3, the inner cavity of the shell 3 is internally provided with a limiting rod 4 with a left end positioned in the inner cavity of the injection tube 1, the limiting rod 4 is sleeved with a spring 5, the limiting rod 4 is provided with a baffle 6, the inner cavity of the injection tube 1 is provided with a vertical rod 7, the bottom end of the vertical rod 7 is provided with a first limiting rod 8, the bottom end of the first limiting rod 8 is fixed with a second limiting rod 9, the bottom end of the second limiting rod 9 is fixed with a piston plate 10, the bottom end of the injection tube 1 is detachably communicated with an injection needle 11, through the above, medical personnel firstly insert the injection needle 11 into a medicine bottle and then extract the vertical rod 7 upwards, and the piston plate 10 makes the injection needle 11 draw medicine through the principle of a piston in the extraction process, then pierce syringe needle 11 into the human body again, then promote montant 7, montant 7 makes piston board 10 extrude the medicament through first restriction pole 8 and second restriction pole 9 and carry the medicament, carry the medicament into the human body, carry the in-process of carrying, if piston board 10 reaches the inboard of 1 inside of injection tube through the power that spring 5 provided of bottom restriction pole 4 of 1 inner chamber of injection tube and removes and block second restriction pole 9, make its montant 7 be difficult to upwards draw out, thereby realize self-destruction, avoid the infection that syringe cyclic utilization caused.

In the utility model, the shell 3, the limiting rod 4, the spring 5 and the baffle 6 are all made of polyethylene, and through the above, the shell 3, the limiting rod 4, the spring 5 and the baffle 6 are all made of polyethylene, so that the preparation cost can be reduced, meanwhile, the rust can be avoided, and the long-time storage is convenient.

In the utility model, a pressing plate is fixed at the top end of the vertical rod 7, and plastic anti-slip pads 12 are transversely arrayed on the pressing plate, so that the plastic anti-slip pads 12 can prevent fingers of medical personnel from deviating during injection.

In the present invention, a limiting plate 13 penetrated by the limiting rod 4 is provided at a communication position between the housing 3 and the syringe 1, and the limiting plate 13 abuts against an end of the spring 5, whereby the limiting plate 13 can prevent the spring 5 from falling off.

In the utility model, the bottom end of the piston plate 10 and the left end of the limiting rod 4 are both provided with an inclined surface, and through the above, the bottom end of the piston plate 10 and the left end of the limiting rod 4 are both provided with inclined surfaces, so that the situation that the piston plate 10 is clamped due to the limiting rod 4 when the piston plate 10 is not in contact with the bottom end of the inner cavity of the injection tube 1 can be effectively avoided.

In the utility model, the outer side of the piston plate 10 is sleeved with a plastic pad, and the plastic pad can effectively increase the sealing of the piston plate 10 to the inner cavity of the injection tube 1, so that the piston plate 10 can more effectively convey the medicament.

To sum up, this self-destruction syringe convenient to use, through the above-mentioned, medical personnel insert syringe needle 11 to the medicine bottle inside earlier, later extract montant 7 upwards, in the in-process piston board 10 of extraction makes syringe needle 11 draw the medicament through the principle of piston, then pierce syringe needle 11 to the human body in, then promote montant 7, montant 7 makes piston board 10 extrude the medicament through first restrictive lever 8 and second restrictive lever 9 and carries, carry the medicament to the human body in, in the in-process of carrying, if piston board 10 reaches bottom limiting rod 4 of injection tube 1 inner chamber and moves to the inboard of injection tube 1 inside through the power that spring 5 provided and thus block second restrictive lever 9, make its montant 7 be difficult to extract upwards, thereby realize the self-destruction, avoid the infection that syringe cyclic utilization caused, casing 3, Restriction lever 4, spring 5 and baffle 6 all adopt the polyethylene material, can also avoid appearing the condition of rust when reducing the preparation cost, the long-time storage of being convenient for, medical personnel can be avoided to plastic slipmat 12 the condition that the skew appears in the finger when to the injection, restriction board 13 can avoid spring 5 to take place the condition that drops, the bottom of piston board 10 and the left end of restriction lever 4 all are equipped with the inclined plane, can effectually avoid piston board 10 to lead to the condition that piston board 10 blocked when not contacting with 1 inner chamber bottom of injection tube 4, the plastic mat can be effectual increase piston board 10 to the sealed of 1 inner chamber of injection tube, makes piston board 10 more effectual carry the medicament.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A self-destruction syringe convenient to use is characterized in that: including injection tube (1), the top of injection tube (1) is equipped with the opening, the lateral surface symmetry of injection tube (1) has baffler board (2), the lateral wall intercommunication of injection tube (1) has casing (3), it is located to be equipped with left end in the inner chamber of casing (3) restriction pole (4) of injection tube (1) inner chamber, the cover is equipped with spring (5) on restriction pole (4), be equipped with baffle (6) on restriction pole (4), injection tube (1) inner chamber is equipped with montant (7), the bottom of montant (7) is equipped with first restriction pole (8), the bottom mounting of first restriction pole (8) has second restriction pole (9), the bottom mounting of second restriction pole (9) has piston board (10), the intercommunication can be dismantled in the bottom of injection tube (1) has injection needle (11).

2. A self-destructive syringe for convenient use according to claim 1, further comprising: the shell (3), the limiting rod (4), the spring (5) and the baffle (6) are all made of polyethylene.

3. A self-destructive syringe for convenient use according to claim 1, further comprising: the top of montant (7) is fixed with presses the clamp plate, just it has plastic slipmat (12) to press the transverse array on the clamp plate.

4. The self-destruction syringe convenient to use according to claim 1, characterized in that: the connecting part of the shell (3) and the injection cylinder (1) is provided with a limiting plate (13) penetrated by the limiting rod (4), and the limiting plate (13) props against the end of the spring (5).

5. The self-destruction syringe convenient to use according to claim 1, characterized in that: the bottom end of the piston plate (10) and the left end of the limiting rod (4) are both provided with inclined planes.

6. The self-destruction syringe convenient to use according to claim 1, characterized in that: the outer side of the piston plate (10) is sleeved with a plastic pad.

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