CN217067275U - Disposable puncture-proof syringe - Google Patents

Disposable puncture-proof syringe Download PDF

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Publication number
CN217067275U
CN217067275U CN202220200392.6U CN202220200392U CN217067275U CN 217067275 U CN217067275 U CN 217067275U CN 202220200392 U CN202220200392 U CN 202220200392U CN 217067275 U CN217067275 U CN 217067275U
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China
Prior art keywords
sleeve
piston
syringe
pair
fixing
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CN202220200392.6U
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Chinese (zh)
Inventor
李娜娜
吴燕
苏慧芳
熊婷婷
史龙
王娟
杜雁宏
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Beijing North Medical District Of Pla General Hospital
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Beijing North Medical District Of Pla General Hospital
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Priority to CN202220200392.6U priority Critical patent/CN217067275U/en
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Abstract

The utility model provides a disposable syringe of preventing stabbing relates to medical instrument technical field, solved present syringe after using, medical personnel's problem is easily stabbed to the syringe needle at its top, the female joint comprises a sleeve, telescopic inside sliding connection piston, the adapter sleeve is installed at the top of piston, a pair of fixed slot has been seted up on the inner wall of adapter sleeve, the supporting seat is installed at telescopic top, the fixing base is installed at the top of supporting seat, the outside block of fixing base is connected with the connecting block, the installation cavity has been seted up to the inside of connecting block, and the top block of installation cavity is connected with the syringe needle, the bottom of syringe needle is connected with the slide bar, the through-hole has been seted up to the inside of slide bar, a pair of mounting groove has been seted up to the bottom of slide bar, and all install the fixed ball in a pair of mounting groove, be connected with the spring between fixed ball and the mounting groove. The utility model discloses a can be after the injection finishes, take in telescopic inside with the syringe needle to prevent that medical personnel from being stabbed by the syringe needle.

Description

Disposable puncture-proof syringe
Technical Field
The utility model belongs to the technical field of medical instrument, more specifically say, in particular to disposable puncture-proof syringe.
Background
In order to prevent cross infection of viruses, the syringe is usually not used after being used once, but is treated in a centralized way.
Based on the above, the present inventors found that the following problems exist: after the existing syringe is used, the needle of the syringe is mostly positioned outside the syringe, and if a user accidentally stabs the syringe after use, the syringe can be infected by viruses in the body of a patient.
Therefore, in view of the above, the present invention provides a disposable puncture-proof syringe, which is improved based on the existing structure and defects, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a disposable puncture-proof syringe to solve present syringe after using up, the syringe needle at its top easily stabs medical personnel's problem.
The utility model discloses disposable purpose and the efficiency of preventing stabbing syringe reaches by following specific technological means:
the utility model provides a disposable puncture-proof syringe, includes the sleeve, telescopic inside sliding connection piston, the adapter sleeve is installed at the top of piston, a pair of fixed slot has been seted up on the inner wall of adapter sleeve, the supporting seat is installed at telescopic top, the fixing base is installed at the top of supporting seat, the outside block of fixing base is connected with the connecting block, the installation cavity has been seted up to the inside of connecting block, and the top block of installation cavity is connected with the syringe needle, the bottom of syringe needle is connected with the slide bar, the through-hole has been seted up to the inside of slide bar, a pair of mounting groove has been seted up to the bottom of slide bar, and all installs the fixing ball in a pair of mounting groove, be connected with the spring between fixing ball and the mounting groove, the fixing ball can block with fixed slot each other.
Furthermore, a pair of sliding grooves are formed in the outer wall of the fixing seat and are L-shaped, a pair of sliding blocks are mounted on one side of the mounting cavity, and the sliding blocks can slide in the sliding grooves.
Furthermore, a connecting hole is formed in the fixed seat, and the outer diameter of the sliding rod is consistent with the diameter of the connecting hole.
Furthermore, the bottom of the piston is connected with a push rod, and the bottom of the push rod is connected with a push block.
Furthermore, the bottom of the sleeve is connected with an auxiliary block, the sleeve is made of transparent materials, and scales are engraved on the outer side of the sleeve.
Furthermore, the diameter of the piston is smaller than the inner diameter of the sleeve, and the piston is made of rubber.
Compared with the prior art, the utility model discloses following beneficial effect has:
the push rod in the utility model can push the piston to do linear motion in the sleeve, when the push piston moves towards the injection needle, the medicament in the sleeve can be extruded, so that the injection needle is injected into the body of a patient, along with the continuous movement of the piston, the medicament in the sleeve can be gradually reduced, simultaneously, along with the gradual approach of the piston to one end of the sleeve, the sliding rod at the bottom of the injection needle can slide into the connecting sleeve at the top of the piston, and the fixed ball can retract into the mounting groove due to the extrusion of the inner wall of the connecting sleeve until the fixed ball moves to the fixed groove, because of the loss of the extrusion of the inner wall, the fixed ball can reset under the action of the spring and is mutually clamped with the fixed groove, when the injection is finished, and after the injection needle is pulled out of the body of the patient, the push rod can slide outwards, so that the injection needle drives the piston to move outwards, at this moment, the injection needle and the piston are in a mutually fixed state, therefore, the injection needle can be moved to the inside of the sleeve under the driving of the piston, so that the problem that medical staff cannot be punctured by the needle head of the syringe when handling the used syringe and then is infected by viruses is solved.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 3 is a perspective view of the sleeve of the present invention.
Fig. 4 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.
Fig. 5 is a perspective view of the injection needle of the present invention.
Fig. 6 is a schematic view of the internal structure of the injection needle of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a sleeve; 2. a piston; 3. a push rod; 4. a push block; 5. an auxiliary block; 6. a supporting seat; 7. connecting blocks; 8. an injection needle; 9. connecting sleeves; 10. fixing grooves; 11. a fixed seat; 12. a chute; 13. a slide bar; 14. and fixing the ball.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides a disposable puncture-proof injector, which comprises a sleeve 1, a piston 2 is slidably connected in the sleeve 1, a connecting sleeve 9 is arranged at the top of the piston 2, a pair of fixing grooves 10 are arranged on the inner wall of the connecting sleeve 9, a supporting seat 6 is arranged at the top of the sleeve 1, a fixed seat 11 is arranged at the top of the supporting seat 6, a connecting block 7 is clamped and connected at the outer side of the fixed seat 11, an installation cavity is arranged in the connecting block 7, an injection needle 8 is clamped and connected at the top of the installation cavity, a sliding rod 13 is connected at the bottom of the injection needle 8, a through hole is arranged in the sliding rod 13, a pair of mounting grooves are arranged at the bottom of the sliding rod 13, a fixing ball 14 is arranged in each mounting groove, a spring is connected between the fixing ball 14 and the mounting groove, the fixing ball 14 can be mutually clamped with the fixing grooves 10, and a push rod 3 can push the piston 2 to do linear motion in the sleeve 1, when the piston 2 is pushed to move towards the injection needle 8, the medicament in the sleeve 1 is squeezed, so that the medicament is injected into the body of a patient through the injection needle 8, the medicament in the sleeve 1 gradually decreases along with the continuous movement of the piston 2, meanwhile, as the piston 2 gradually approaches one end of the sleeve 1, the sliding rod 13 at the bottom of the injection needle 8 slides into the connecting sleeve 9 at the top of the piston 2, the fixing ball 14 retracts into the mounting groove due to the squeezing of the inner wall of the connecting sleeve 9 until the fixing ball moves to the fixing groove 10, and the fixing ball 14 resets under the action of the spring and is mutually clamped with the fixing groove 10 due to the loss of the squeezing of the inner wall, when the injection is finished, and the injection needle 8 is pulled out of the body of the patient, the pushing rod 3 can slide outwards to drive the piston 2 to move outwards, at the moment, the injection needle 8 and the piston 2 are in a mutually fixed state, so that under the driving of the piston 2, the needle 8 will be displaced to the interior of the cartridge 1.
Wherein, seted up a pair of spout 12 on the outer wall of fixing base 11, and spout 12 is "L" shape, and a pair of slider is installed to one side of installation cavity, and the slider can slide in spout 12, and convenience of customers installs syringe needle 8 on sleeve 1.
Wherein, the inside of fixing base 11 is seted up the connecting hole, and the external diameter of slide bar 13 is unanimous with the diameter of connecting hole.
Wherein, the bottom of the piston 2 is connected with a push rod 3, and the bottom of the push rod 3 is connected with a push block 4.
Wherein, the bottom of sleeve 1 is connected with supplementary piece 5, and sleeve 1 is made by transparent material, and sleeve 1's outside is carved with the scale.
Wherein, the diameter of piston 2 is less than the internal diameter of sleeve 1, and piston 2 is made for the rubber material.
The specific use mode and function of the embodiment are as follows:
when the product is used, whether the connection part of the product is fastened or not is firstly detected, then the push rod 3 is pulled outwards to enable the piston 2 to be slightly away from the top of the sleeve 1, then the injection needle 8 is inserted into the medicine bottle, the push rod 3 is pulled outwards immediately to enable the medicine to be sucked into the sleeve 1, then the injection needle 8 is inserted into the body of a patient, then the push rod 3 can be pushed, the medicine in the sleeve 1 is injected into the body of the patient, after the medicine injection is finished, the injection needle 8 can be mutually fixed with the piston 2 under the action of the fixing groove 10 and the fixing ball 14, finally, after the injection needle 8 is pulled out of the body of the patient, the push rod 3 can be pulled outwards to enable the injection needle 8 to be driven to move, the injection needle can be moved to the inside of the sleeve 1, and then the used injector can be subjected to centralized processing.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. A disposable puncture-proof syringe is characterized in that: comprises a sleeve (1), the inside of the sleeve (1) is slidably connected with a piston (2), a connecting sleeve (9) is installed at the top of the piston (2), a pair of fixing grooves (10) is formed in the inner wall of the connecting sleeve (9), a supporting seat (6) is installed at the top of the sleeve (1), a fixing seat (11) is installed at the top of the supporting seat (6), a connecting block (7) is connected to the outer side of the fixing seat (11) in a clamping manner, an installation cavity is formed in the connecting block (7), an injection needle (8) is connected to the top of the installation cavity in a clamping manner, a sliding rod (13) is connected to the bottom of the injection needle (8), a through hole is formed in the sliding rod (13), a pair of installation grooves are formed in the bottom of the sliding rod (13), a fixing ball (14) is installed in each pair of installation grooves, and a spring is connected between the fixing ball (14) and the installation grooves, the fixing ball (14) can be mutually clamped with the fixing groove (10).
2. The disposable puncture-resistant syringe of claim 1, wherein: a pair of sliding grooves (12) are formed in the outer wall of the fixing seat (11), the sliding grooves (12) are L-shaped, a pair of sliding blocks are mounted on one side of the mounting cavity, and the sliding blocks can slide in the sliding grooves (12).
3. The disposable puncture-resistant syringe of claim 1, wherein: the inside of the fixed seat (11) is provided with a connecting hole, and the outer diameter of the sliding rod (13) is consistent with the diameter of the connecting hole.
4. The disposable puncture-resistant syringe of claim 1, wherein: the bottom of the piston (2) is connected with a push rod (3), and the bottom of the push rod (3) is connected with a push block (4).
5. The disposable puncture-resistant syringe of claim 1, wherein: the bottom of sleeve (1) is connected with auxiliary block (5), sleeve (1) is made by transparent material, just the outside of sleeve (1) is carved with the scale.
6. The disposable puncture-resistant syringe of claim 1, wherein: the diameter of the piston (2) is smaller than the inner diameter of the sleeve (1), and the piston (2) is made of rubber materials.
CN202220200392.6U 2022-01-25 2022-01-25 Disposable puncture-proof syringe Active CN217067275U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220200392.6U CN217067275U (en) 2022-01-25 2022-01-25 Disposable puncture-proof syringe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220200392.6U CN217067275U (en) 2022-01-25 2022-01-25 Disposable puncture-proof syringe

Publications (1)

Publication Number Publication Date
CN217067275U true CN217067275U (en) 2022-07-29

Family

ID=82542150

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220200392.6U Active CN217067275U (en) 2022-01-25 2022-01-25 Disposable puncture-proof syringe

Country Status (1)

Country Link
CN (1) CN217067275U (en)

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