CN211049364U

CN211049364U - Neonate device of drawing blood

Info

Publication number: CN211049364U
Application number: CN201921810041.1U
Authority: CN
Inventors: 孔翎
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-21
Anticipated expiration: 2029-10-25

Abstract

The utility model provides a neonate device of drawing blood. Neonate's device of drawing blood is including an installation section of thick bamboo, a transfusion tube, needle cap canceling release mechanical system, ejecting mechanism and stop gear, an installation section of thick bamboo top is connected with the blood drawing pipe, a transfusion tube sliding connection is on installation bobbin base portion, a transfusion tube passes through the hose and takes out blood vessel fixed connection, transfusion bobbin base portion fixed mounting has the syringe needle, the needle cap is equipped with two sets ofly, and two sets of needle cap symmetry sets up and sliding connection in the bottom of an installation section of thick bamboo, canceling release mechanical system fixed mounting is in installation bobbin base portion, ejecting mechanism fixed mounting is on a transfusion tube, stop gear fixed mounting is in needle cap base portion. The utility model provides a neonate's device of drawing blood has and only needs to remove the needle cap to both ends with the hand, just can pop out the syringe needle to after drawing blood, improve the stay cord and drive needle cap automatic re-setting and cover the syringe needle, avoided the syringe needle to stab personnel, improve the advantage of security.

Description

Neonate device of drawing blood

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a neonate device of drawing blood.

Background

At birth, a newborn needs to be blood-drawn for testing. At present, when testing blood, hospitals generally adopt vacuum blood sampling tubes to draw blood from newborns, namely, a hose with a needle is firstly pricked into a vein, and then the other end of the hose is inserted into the vacuum blood sampling tube to draw out venous blood through negative pressure in the tube.

When the existing blood drawing needle is used, a needle cap sleeved outside a needle head needs to be taken out, and after the blood drawing needle is used, the needle cap is sleeved on the needle head to discard the blood drawing needle. However, the needle head and the needle cap are very small, so that medical staff are easily punctured by the needle head when the needle cap is sleeved back, and the safety is not high.

Therefore, there is a need to provide a new-born blood drawing device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a neonate's device of drawing blood that the security is high, can not stab medical personnel.

In order to solve the technical problem, the utility model provides a neonate device of drawing blood includes: the top of the mounting cylinder is connected with a blood drawing tube; the transfusion barrel is connected to the bottom of the mounting barrel in a sliding mode, the transfusion barrel is fixedly connected with the blood pumping pipe through a hose, and a needle head is fixedly mounted at the bottom of the transfusion barrel; the needle caps are provided with two groups, and the two groups of needle caps are symmetrically arranged and are connected to the bottom of the mounting cylinder in a sliding manner; the resetting mechanism is fixedly arranged at the bottom of the mounting cylinder; the push-out mechanism is fixedly arranged on the infusion cylinder; and the limiting mechanism is fixedly arranged at the bottom of the needle cap.

Preferably, canceling release mechanical system includes baffle and first spring, baffle fixed mounting is in installation bobbin base portion edge, first spring fixed connection is on the baffle lateral wall, the one end and the needle cap lateral wall fixed connection of baffle are kept away from to first spring.

Preferably, the pushing mechanism comprises a pressing block and a second spring, the pressing block is fixedly installed on the top of the infusion cylinder, the second spring is fixedly connected to the top of the pressing block, and one end, far away from the pressing block, of the second spring is fixedly connected with the inner top wall of the installation cylinder.

Preferably, stop gear includes shelves pole and spout, shelves pole fixed mounting is in the needle cap bottom, the spout is dug on installation bobbin base portion, the shelves pole passes the spout and extends to inside the installation section of thick bamboo.

Preferably, the top of the pressing block is fixedly connected with a pull rope, and the pull rope penetrates through the top wall of the mounting cylinder and extends outwards.

Compared with the prior art, the utility model provides a neonate device of drawing blood has following beneficial effect:

the utility model provides a neonate device of drawing blood, first-selected pull out two sets of needle caps with the handle, open stop gear, then can drive a transfusion section of thick bamboo and syringe needle under pushing mechanism's effect and pop out an installation section of thick bamboo, after having taken out blood to the neonate again, make pushing mechanism again with a transfusion section of thick bamboo and syringe needle withdrawal installation section of thick bamboo inside through the pulling stay cord, drive the needle cap again and reset and cover the syringe needle under canceling release mechanical system's effect to need not extract the needle cap and cover again, avoid the syringe needle to stab medical personnel, the security is improved.

Drawings

Fig. 1 is a schematic structural view of a newborn blood drawing device according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of a newborn blood drawing device according to a preferred embodiment of the present invention;

FIG. 3 is a schematic view of the internal structure of the mounting cylinder shown in FIG. 1;

FIG. 4 is a second schematic view of the internal structure of the mounting barrel shown in FIG. 1;

FIG. 5 is an enlarged view of the structure at A in FIG. 3;

fig. 6 is an enlarged schematic view of B in fig. 4.

Reference numbers in the figures: 1. the device comprises an installation barrel, a transfusion tube, a blood drawing tube, a reset mechanism, a first spring 42, a baffle plate, a limiting mechanism 5, a limiting mechanism 51, a stop lever 52, a sliding groove 6, a push-out mechanism 61, a pressing block 62, a second spring 7, a hose 8, a pull rope 9, a needle cap 9a and a needle head.

Detailed Description

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

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, in which fig. 1 is a schematic structural diagram of a newborn blood drawing device according to a preferred embodiment of the present invention; a second structural schematic diagram of a preferred embodiment of the newborn blood drawing device provided by the present invention; FIG. 3 is a schematic view of the internal structure of the mounting cylinder shown in FIG. 1; FIG. 4 is a second schematic view of the internal structure of the mounting barrel shown in FIG. 1; FIG. 5 is an enlarged view of the structure at A in FIG. 3; fig. 6 is an enlarged schematic view of B in fig. 4. Neonate draws blood device includes: installation section of thick bamboo 1, a infusion section of thick bamboo 2 and

needle cap

9, 1 top of installation section of thick bamboo is connected with and takes out blood vessel 3, and infusion section of thick bamboo 2 sliding connection is on 1 bottom of installation section of thick bamboo, and infusion section of thick bamboo 2 passes through hose 7 and takes out blood vessel 3 fixed connection, and infusion section of thick bamboo 2 bottom fixed mounting has syringe needle 9a, and needle cap 9 is equipped with two sets ofly, and two sets of needle caps 9 symmetry sets up and sliding connection is in the bottom of installation section of thick bamboo 1.

In the specific implementation process, as shown in fig. 5 and 6, the reset mechanism 4 includes a baffle plate 42 and a first spring 41, the baffle plate 42 is fixedly installed at the bottom edge of the installation cylinder 1, the first spring 41 is fixedly connected to the side wall of the baffle plate 42, and one end of the first spring 41 far away from the baffle plate 42 is fixedly connected to the side wall of the needle cap 9.

It should be noted that: the needle cap 9 is pulled open towards two ends, the push-out mechanism drives 6 to drive the infusion tube 2 and the needle head 9a to pop out of the mounting tube 1, the first spring 41 is compressed and stressed, the limiting mechanism 5 can block the reset mechanism 4, after blood pumping is finished, the needle cap 9 can be driven to reset under the action of the first spring 41 to cover the needle head 9a again by moving the limiting mechanism 5, and safety is improved.

Referring to fig. 5 and 6, the pushing-out mechanism 6 includes a pressing block 61 and a second spring 62, the pressing block 61 is fixedly installed on the top of the infusion cylinder 2, the second spring 62 is fixedly connected on the top of the pressing block 61, and one end of the second spring 62 far away from the pressing block 61 is fixedly connected with the top wall inside the installation cylinder 1.

It should be noted that: when the needle cap 9 is opened, the limiting mechanism 5 is driven to move to be separated from the pressing block 61, so that the second spring 62 presses the pressing block 61, and the pressing block 61 ejects the infusion tube 9 and the needle 9a out of the mounting tube 1.

Referring to fig. 5, the limiting mechanism 5 includes a blocking rod 51 and a sliding slot 52, the blocking rod 51 is fixedly installed at the bottom of the needle cap 9, the sliding slot 52 is cut on the bottom of the mounting tube 1, the blocking rod 51 passes through the sliding slot 52 and extends into the mounting tube 1, and when the needle cap 9 moves, the blocking rod 51 is driven to disengage from the pressing block 61, so that the second spring 62 can drive the needle 9a to eject the needle cap 9.

Referring to fig. 6, a pull rope 8 is fixedly connected to the top of the pressing block 61, and the pull rope 8 penetrates through the top wall of the mounting cylinder 1 and extends outwards; the pressing block 61 can be driven to move upwards by pulling the pull rope 8, so as to drive the infusion tube 2 to retract into the installation tube 1, and the pressing block 61 is separated from the stop lever 51, so that the first spring 41 drives the needle cap 9 to reset to cover the needle head 9 a.

The utility model provides a neonate device of drawing blood's theory of operation as follows:

preferably, two groups of needle caps 9 are pulled out by a handle, the first spring 41 is stressed and compressed, the blocking rod 51 is driven to move and be separated from the pressing block 61 in the moving process of the needle caps 9, so the second spring 62 drives the pressing block 61 to move, the pressing block 61 drives the infusion tube 2 to be ejected out of the mounting tube 1, the needle 9a is ejected out of the needle caps 9, then the needle caps 9 are loosened, the first spring 41 drives the needle caps 9 to reset, but the blocking rod 51 is blocked by the pressing block 61, so the needle caps 9 cannot reset, after the blood drawing is finished, the pulling rope 8 is pulled to drive the pressing block 61 to move upwards, the infusion tube 2 retracts into the mounting tube 1, the needle 9a retracts, the pressing block 61 is separated from the blocking rod 51 at the moment, the first spring 41 drives the needle caps 9 to move to cover the needle 9a again, the needle caps 9 do not need to be pulled out and then covered, the surface needle 9a stabs medical personnel, and the safety is.

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 neonatal blood drawing device, comprising:

the top of the mounting cylinder (1) is connected with a blood drawing tube (3);

the transfusion tube (2) is connected to the bottom of the mounting tube (1) in a sliding mode, the transfusion tube (2) is fixedly connected with the blood pumping tube (3) through a hose (7), and a needle head (9a) is fixedly mounted at the bottom of the transfusion tube (2);

the needle caps (9) are provided with two groups, and the two groups of needle caps (9) are symmetrically arranged and are connected to the bottom of the mounting cylinder (1) in a sliding manner;

the resetting mechanism (4), the resetting mechanism (4) is fixedly installed at the bottom of the installation cylinder (1);

the push-out mechanism (6), the said push-out mechanism (6) is fixedly mounted on infusion tube (2);

and the limiting mechanism (5) is fixedly arranged at the bottom of the needle cap (9).

2. The newborn blood drawing device according to claim 1, characterized in that the reset mechanism (4) comprises a baffle plate (42) and a first spring (41), the baffle plate (42) is fixedly installed at the bottom edge of the installation cylinder (1), the first spring (41) is fixedly connected to the side wall of the baffle plate (42), and one end of the first spring (41) far away from the baffle plate (42) is fixedly connected to the side wall of the needle cap (9).

3. The newborn blood drawing device according to claim 1, characterized in that the push-out mechanism (6) comprises a pressing block (61) and a second spring (62), the pressing block (61) is fixedly installed on the top of the infusion cylinder (2), the second spring (62) is fixedly connected on the top of the pressing block (61), and one end of the second spring (62) far away from the pressing block (61) is fixedly connected with the inner top wall of the installation cylinder (1).

4. The newborn blood drawing device according to claim 1, wherein the limiting mechanism (5) comprises a stop rod (51) and a sliding groove (52), the stop rod (51) is fixedly installed at the bottom of the needle cap (9), the sliding groove (52) is cut on the bottom of the installation barrel (1), and the stop rod (51) penetrates through the sliding groove (52) and extends to the inside of the installation barrel (1).

5. The newborn blood drawing device according to claim 3, characterized in that a pull rope (8) is fixedly connected to the top of the pressing block (61), and the pull rope (8) extends outwards through the top wall of the mounting cylinder (1).