CN213374417U

CN213374417U - Convenient hand-held needle tube

Info

Publication number: CN213374417U
Application number: CN202021146550.1U
Authority: CN
Inventors: 陆巧琴
Original assignee: Changzhou Yuekang Medical Equipment Co ltd
Current assignee: Changzhou Yuekang Medical Equipment Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-06-08
Anticipated expiration: 2030-06-18

Abstract

The utility model provides a convenient hand-held needle tube. Make things convenient for handheld needle tubing to include the injection body, the hasp post, piston disc and halfbody rubber ball, hasp post fixed mounting is at the interior diapire of injection body, and the centre of a circle department of hasp post sets up the flow liquid through-hole that communicates with injection port on the injection body, set up two symmetric distribution's spacing ladder groove on the hasp post of flow liquid through-hole both sides, and the cell body clearance that spacing ladder groove is close to the bottom is greater than the cell body of top, and the piston disc install in the injection body and with the interior pipe wall sliding connection of injection body, and the lock core piece is installed to the bottom of piston disc, lock core piece is including inserting and establishing piece and plastomer plate, two symmetric distribution's the lower surface of establishing piece fixed mounting at the piston disc of inserting, and two are inserted the relative lateral wall of piece and are fixed mounting respectively has. The utility model provides a make things convenient for handheld needle tubing to have the advantage that has locking function.

Description

Convenient hand-held needle tube

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a make things convenient for handheld needle tubing.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Gas or liquid is primarily drawn or injected with a needle. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography.

The surface of the existing injector is smooth, so that the injector is easy to drop to cause damage to the needle tube when in use, meanwhile, cross infection is easy to occur to secondary users due to the fact that some lawless persons recycle the used injector, and the safety is low.

Therefore, there is a need to provide a convenient hand-held syringe to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a convenient handheld needle tube with locking function.

In order to solve the technical problem, the utility model provides a make things convenient for handheld needle tubing includes: an injection tube body; the locking column is fixedly arranged on the inner bottom wall of the injection tube body, a liquid flow through hole communicated with the injection port on the injection tube body is formed in the circle center of the locking column, two symmetrically-distributed limiting stepped grooves are formed in the locking column on two sides of the liquid flow through hole, and the gap of the groove body, close to the bottom, of each limiting stepped groove is larger than that of the groove body above the limiting stepped groove; the piston disc is arranged in the injection tube body and is in sliding connection with the inner tube wall of the injection tube body, the bottom of the piston disc is provided with a lock cylinder piece, the lock cylinder piece comprises inserting blocks and plastic plates, the two inserting blocks which are symmetrically distributed are fixedly arranged on the lower surface of the piston disc, and the opposite side walls of the two inserting blocks are respectively and fixedly provided with the plastic plates which are obliquely arranged; the half rubber balls are fixedly embedded on the outer pipe walls on the two sides of the injection pipe body respectively.

Preferably, the lock core piece still includes the liquid pushing rod, and liquid pushing rod fixed mounting is in the centre of a circle department of piston disc lower surface and perpendicular setting, and the liquid through-hole that flows that liquid pushing rod and hasp post were seted up corresponds each other, and the rod footpath and the length of liquid pushing rod match each other with the aperture and the degree of depth of liquid through-hole respectively, and the liquid medicine discharge in the liquid through-hole will be left over to the liquid pushing rod, has reduced the waste of liquid medicine.

Preferably, the two inserting blocks correspond to two limiting stepped grooves formed in the lock catch column respectively.

Preferably, the upper surface of the locking column is provided with a groove of 0.2-0.4mm, the bottom of the piston disc is provided with a protrusion of 0.2-0.4mm, and the protrusion and the groove are matched with each other, so that the contact tightness of the piston disc and the locking column is improved.

Preferably, the equal fixed mounting of both sides wall at injection body top has the fold piece, and the equal fixed mounting of lower surface of two fold pieces has the lantern ring, when medical personnel inject, detain two lantern rings respectively with forefinger and middle finger on, further improved the fastness that medical personnel held the injection body.

Preferably, the axis of the upper surface of the piston disc is fixedly connected with one end of the piston rod, and the other end of the piston rod extends out of the injection tube body and is fixedly provided with the pressing disc, so that injection is facilitated.

Compared with the prior art, the utility model provides a make things convenient for handheld needle tubing to have following beneficial effect:

1. the utility model utilizes the injection needle tube to inject patients, and the locking is completed by the matching of the lock catch column and the lock core piece, so that the injection tube body is abandoned after being used once and can not be used for the second time, thereby avoiding cross infection of secondary users caused by recycling the used injector by lawless persons, and improving the safety;

2. the half-body rubber balls with the same specification on the outer pipe walls on the two sides of the injection pipe body improve the friction force of the injection pipe body, so that medical personnel can stably hold the injection pipe body when taking the injection pipe body, and meanwhile, when the injection pipe body is placed on a table top, the half-body rubber balls can avoid the problem that the injection pipe body rolls;

3. the utility model discloses when medical personnel inject, detain two lantern rings with forefinger and middle finger respectively on, further improved the fastness of the handheld injection body of medical personnel.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a convenient hand-held syringe according to the present invention;

FIG. 2 is a schematic view of the internal locking post and locking cylinder of the syringe barrel of FIG. 1.

Reference numbers in the figures: 1. the injection syringe body, 2, hasp post, 21, spacing ladder groove, 22, flowing liquid through-hole, 3, piston disc, 4, lock core spare, 41, insert the piece, 42, plastic board, 43, liquid pushing rod, 5, piston rod, 6, pressure dish, 7, halfbody rubber ball, 8, folded piece, 9, the lantern ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 and fig. 2 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a convenient handheld syringe according to the present invention; FIG. 2 is a schematic view of the internal locking post and locking cylinder of the syringe barrel of FIG. 1. Convenient handheld syringe includes: the injection syringe comprises a syringe body 1, a locking column 2, a piston disc 3 and a half rubber ball 7.

In the specific implementation process, as shown in fig. 1 and fig. 2, the locking column 2 is fixedly installed on the inner bottom wall of the injection tube body 1, a liquid flow through hole 22 communicated with an injection port on the injection tube body 1 is formed in the center of the locking column 2, two symmetrically distributed limiting step grooves 21 are formed in the locking column 2 on two sides of the liquid flow through hole 22, a gap between the limiting step grooves 21 and the groove body near the bottom is larger than that between the limiting step grooves and the groove body above, the piston disc 3 is installed in the injection tube body 1 and slidably connected with the inner tube wall of the injection tube body 1, the bottom of the piston disc 3 is provided with the lock cylinder 4, the lock cylinder 4 comprises inserting blocks 41 and plastic plates 42, the two symmetrically distributed inserting blocks 41 are fixedly installed on the lower surface of the piston disc 3, and the two opposite side walls of the inserting blocks 41 are respectively and fixedly installed with the obliquely arranged.

It should be noted that: when the injection needle tube is used for injection, firstly, a matched needle head is installed on an injection port of the injection tube body 1 and inserted into a liquid medicine bottle, the piston rod 5 is pulled upwards to suck the liquid medicine into the injection tube body 1, then, the needle head is upwards pressed to push the liquid medicine upwards by the piston rod 5, so that air in the injection tube body 1 is exhausted (the inserted block 41 is far away from the lock catch column 2), after the injection is finished, the injection needle tube is used for injecting a patient, so that the inserted block 41 and the plastic plate 42 on the piston plate 3 are inserted into the limit step groove 21 on the lock catch column 2, because the plastic plate 42 is obliquely arranged and has certain plasticity, the inserted block 41 and the plastic plate 42 are difficult to slide out of the limit step groove 21 after being inserted into the limit step groove 21, after all injections of the injection tube body 1 are finished, the lock of the lock cylinder piece 4 on the lock catch column 2 is also finished, and the injection tube body 1 is discarded after being used once, the syringe is not reusable, so that cross infection of secondary users caused by recycling used syringes by lawless persons is avoided, and the safety is improved.

The lock core piece 4 further comprises a liquid pushing rod 43, the liquid pushing rod 43 is fixedly installed at the center of a circle of the lower surface of the piston disc 3 and is vertically arranged, the liquid pushing rod 43 corresponds to the liquid flowing through hole 22 formed in the lock catch column 2, the rod diameter and the length of the liquid pushing rod 43 are matched with the hole diameter and the depth of the liquid flowing through hole 22, liquid medicine left in the liquid flowing through hole 22 is discharged by the liquid pushing rod 43, waste of the liquid medicine is reduced, a groove of 0.2-0.4mm is formed in the upper surface of the lock catch column 2, a protrusion of 0.2-0.4mm is arranged at the bottom of the piston disc 3, the protrusion is matched with the groove, and the contact tightness of the piston disc 3 and the lock catch column 2 is improved.

Referring to fig. 1, folding pieces 8 are fixedly mounted on both side walls of the top of the injection tube body 1, a collar 9 is fixedly mounted on the lower surfaces of the two folding pieces 8, and a plurality of half rubber balls 7 with the same specification are fixedly embedded on the outer tube walls on both sides of the injection tube body 1 respectively.

It should be noted that: half body rubber ball 7 that a plurality of specification is the same on the outer pipe wall of 1 both sides of injection body has improved the friction dynamics of injection body 1 for stability when medical personnel handheld taking, when placing the desktop at injection body 1 simultaneously, half body rubber ball 7 can avoid injection body 1 to take place rolling problem, and when medical personnel injected, withheld two lantern rings 9 respectively with forefinger and middle finger on, further improved medical personnel handheld injection body 1's fastness.

Wherein, the axle center of the upper surface of the piston disc 3 is fixedly connected with one end of the piston rod 5, and the other end of the piston rod 5 extends out of the injection tube body 1 and is fixedly provided with the pressing disc 6, so that the injection is convenient.

The utility model provides a make things convenient for handheld needle tubing's theory of operation as follows:

when the injection needle tube is used for injection, firstly, a matched needle head is installed on an injection port of the injection tube body 1 and inserted into a liquid medicine bottle, the piston rod 5 is pulled upwards to suck the liquid medicine into the injection tube body 1, then, the needle head is upwards pressed to push the liquid medicine upwards by the piston rod 5, so that air in the injection tube body 1 is exhausted (the inserted block 41 is far away from the lock catch column 2), after the injection is finished, the injection needle tube is used for injecting a patient, so that the inserted block 41 and the plastic plate 42 on the piston plate 3 are inserted into the limit step groove 21 on the lock catch column 2, because the plastic plate 42 is obliquely arranged and has certain plasticity, the inserted block 41 and the plastic plate 42 are difficult to slide out of the limit step groove 21 after being inserted into the limit step groove 21, after all injections of the injection tube body 1 are finished, the lock of the lock cylinder piece 4 on the lock catch column 2 is also finished, and the injection tube body 1 is discarded after being used once, can not the secondary use, avoided some lawless persons to carry out recycle with used syringe and lead to the secondary user to take place cross infection, the security has been improved, and the same half body rubber ball 7 of a plurality of specification has improved the friction dynamics of injection body 1 on the outer pipe wall of injection body 1 both sides, make the handheld stability when taking of medical personnel, when placing the desktop at injection body 1 simultaneously, half body rubber ball 7 can avoid injection body 1 to take place rolling problem, and when medical personnel injected, on withholding two lantern rings 9 respectively forefinger and middle finger, the handheld fastness of injection body 1 of medical personnel has further been improved.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A convenient hand-held syringe, comprising:

an injection tube body (1);

the injection tube comprises a locking column (2), wherein the locking column (2) is fixedly arranged on the inner bottom wall of an injection tube body (1), a liquid flow through hole (22) communicated with an injection port on the injection tube body (1) is formed in the circle center of the locking column (2), two symmetrically-distributed limiting stepped grooves (21) are formed in the locking column (2) on two sides of the liquid flow through hole (22), and the gap between the limiting stepped grooves (21) close to the bottom and the groove body above the limiting stepped grooves is larger than that between the limiting stepped grooves and the groove body above the limiting stepped grooves;

the injection device comprises a piston disc (3), wherein the piston disc (3) is arranged in an injection tube body (1) and is in sliding connection with the inner tube wall of the injection tube body (1), a lock core piece (4) is arranged at the bottom of the piston disc (3), the lock core piece (4) comprises inserting blocks (41) and plastic plates (42), the inserting blocks (41) which are symmetrically distributed are fixedly arranged on the lower surface of the piston disc (3), and the plastic plates (42) which are obliquely arranged are fixedly arranged on the opposite side walls of the two inserting blocks (41) respectively;

the half rubber balls (7) with the same specification are fixedly embedded on the outer pipe walls on two sides of the injection pipe body (1) respectively.

2. The convenient hand-held needle tube as claimed in claim 1, wherein the lock cylinder member (4) further comprises a liquid pushing rod (43), the liquid pushing rod (43) is fixedly installed at the center of the circle of the lower surface of the piston disc (3) and is vertically arranged, the liquid pushing rod (43) corresponds to the liquid flow through hole (22) formed in the lock cylinder (2), and the rod diameter and the length of the liquid pushing rod (43) are respectively matched with the aperture and the depth of the liquid flow through hole (22).

3. The convenient hand-held needle tube as claimed in claim 1, wherein the two insertion blocks (41) respectively correspond to two limit stepped grooves (21) formed on the locking column (2).

4. The convenient hand-held needle tube as claimed in claim 1, wherein the upper surface of the locking column (2) is provided with a groove of 0.2-0.4mm, the bottom of the piston disc (3) is provided with a protrusion of 0.2-0.4mm, and the protrusion and the groove are matched with each other.

5. The convenient hand-held needle tube of claim 1, wherein folding pieces (8) are fixedly arranged on two side walls of the top of the injection tube body (1), and lantern rings (9) are fixedly arranged on the lower surfaces of the two folding pieces (8).

6. A convenient hand-held syringe according to claim 1, characterised in that the axial centre of the upper surface of the piston disc (3) is fixedly connected with one end of the piston rod (5), and the other end of the piston rod (5) extends out of the syringe body (1) and is fixedly provided with a pressing disc (6).