CN211560121U - Artery blood sampling device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to an artery blood sampling hemostix, which comprises a sample storage tube and a vein transfusion needle, wherein one end of the sample storage tube is connected with the vein transfusion needle through a joint, the inner side of the sample storage tube is slidably connected with a first piston block, the outer side of the sample storage tube is sleeved with a sampling tube, the inner side of the sampling tube is fixedly connected with a motor through a support rod, the end of a main shaft of the motor is fixedly connected with a threaded rod, the other end of the threaded rod is rotatably connected with a limit rod, the outer side of the threaded rod is spirally connected with a second piston block, the second piston block is slidably connected with the sampling tube, the left side of the motor is provided with a battery, the outer side of the sampling tube is fixedly connected with a control switch, in the utility model, the cost of the equipment used for blood sampling is effectively reduced through the, and when the arterial puncture blood sampling is carried out, the transfusion needle inserting method is adopted, the operation of nurses is skilled, and the puncture success rate is high.

Description

Artery blood sampling device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an artery blood sampling hemostix.

Background

Arterial puncture is a common operation technology in clinic, mainly carries out blood gas analysis and detection, knows oxygen supply and acid-base balance conditions of organisms, is one of important indexes for rescuing critical patients and monitoring, and needs to carry out blood sampling for sampling detection and assay during arterial puncture, so that the demand for arterial blood sampling hemostix is increasing day by day.

The existing arterial hemostix in the current market generally adopts needle-holding type needle insertion, nurses are not easy to operate, the needle insertion angle and depth are not easy to control, once the needle insertion fails, the success rate of repeated puncture is low, the hemostix is wasted when the puncture is unsuccessful once, and the cost of the existing arterial hemostix is higher, each one is about 15 yuan, and the like, so the arterial hemostix is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an artery blood sampling hemostix to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

artery blood sampling hemostix, including sample storage tube and venous transfusion needle, the one end of sample storage tube has the venous transfusion needle through the articulate, the inboard sliding connection of sample storage tube has first piston piece, the sampling tube has been cup jointed in the outside of sample storage tube, bracing piece fixedly connected with motor is passed through to the inboard of sampling tube, the terminal fixedly connected with threaded rod of main shaft of motor, and the other end of threaded rod rotates and is connected with the gag lever post, the outside screwed connection of threaded rod has the second piston piece, and second piston piece and sampling tube sliding connection, the left side of motor is equipped with the battery, the outside fixedly connected with control switch of sampling tube, the exhaust hole has been seted up to the bottom of sampling tube.

Preferably, the outer side of one end of the sample storage tube close to the intravenous infusion needle is fixedly connected with a plastic strip, the other end of the plastic strip is fixedly connected with a tube cap, and the size of the tube cap is consistent with that of the intravenous infusion needle joint.

Preferably, the inboard fixedly connected with gag lever post of sampling pipe, the inboard fixedly connected with sealing rubber ring of sampling pipe, and sealing rubber ring are located the right side of gag lever post, and sealing rubber ring's right-hand member personally submits the cambered surface setting.

Preferably, the cross sections of the sample storage tube and the sampling tube are both in an elliptical arrangement.

Preferably, the battery case is fixedly connected to the outer side of the battery, the limiting frame is slidably connected to the outer side of the battery case, and the upper end face and the lower end face of the inner side of the limiting frame and the upper end face and the lower end face of the outer side of the battery case are fixedly connected to the electric touch plate.

Preferably, the left end face of the battery case is rotatably connected with a cover plate, the outer side of the cover plate is spirally connected with the sampling pipe, a groove is formed in the left side of the cover plate, and a transverse plate is fixedly connected in the groove.

Preferably, the outer side of the sampling tube is fixedly connected with a rubber sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the sampling pipe, the sample storage pipe and the venous transfusion needle that set up, not only the used equipment cost of effectual reduction blood sampling uses the infusion needle insertion method during the arteriopuncture blood sampling moreover, and the nurse operation is skilled, and the success rate of puncture is high.

Drawings

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

fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-sample tube, 2-intravenous infusion needle, 3-plastic strip, 4-tube cap, 5-first piston block, 6-sampling tube, 7-limiting rod, 8-sealing rubber ring, 9-motor, 10-threaded rod, 11-second piston block, 12-battery, 13-battery shell, 14-limiting frame, 15-cover plate, 16-transverse plate, 17-rubber sleeve, 18-control switch, 19-electric contact plate and 20-exhaust hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

artery blood sampling hemostix, including sample storage tube 1 and venous transfusion needle 2, the one end of sample storage tube 1 has venous transfusion needle 2 through the articulate, and this kind of setting is convenient for after the puncture failure, directly change venous transfusion needle 2, the effectual cost that has saved, the inboard sliding connection of sample storage tube 1 has first piston piece 5, sampling tube 6 has been cup jointed in the outside of sample storage tube 1, and the setting of this branch body makes the structure of depositing and extracting as an organic whole, and the effectual use that saves the equipment, bracing piece fixedly connected with motor 9 is passed through to the inboard of sampling tube 6, the terminal fixedly connected with threaded rod 10 of main shaft of motor 9, and the other end of threaded rod 10 rotates and is connected with gag lever post 7, the outside screwed connection of threaded rod 10 has second piston piece 11, and second piston piece 11 and sampling tube 6 sliding connection, the left side of motor 9 is equipped with battery 12, the outside fixedly connected with control switch 18 of sampling pipe 6, exhaust hole 20 has been seted up to the bottom of sampling pipe 6, and the structure of operation will be taken out in this kind of setting is separated alone, and this part structure does not give blood to relieve, can be through the disinfection back, and manifold cycles uses, further has saved the volume that disposable material used, the effectual cost that has saved.

The sample tube 1 is fixedly connected with a plastic strip 3 outside one end of a near venous transfusion needle 2, the other end of the plastic strip 3 is fixedly connected with a tube cap 4, the size of the tube cap is consistent with the size of a joint of the venous transfusion needle 2, the arrangement can better perform sealing treatment on blood in the sample tube 1, the inner side of the sampling tube 6 is fixedly connected with a limiting rod 7, the inner side of the sampling tube 6 is fixedly connected with a sealing rubber ring 8, the sealing rubber ring 8 is positioned on the right side of the limiting rod 7, the right end of the sealing rubber ring 8 is in an arc surface arrangement, the arrangement has better sealing and fixing limiting effects, the cross sections of the sample tube 1 and the sampling tube 6 are in an elliptical arrangement, the arrangement can ensure that a second piston block 11 cannot rotate along with a threaded rod 10, the outer side of a battery 12 is fixedly connected with a battery case 13, the outer side of the battery case 13 is slidably connected with a limiting frame 14, and terminal surface and battery case 13 outside up end and the equal fixedly connected with electric touch panel 19 of terminal surface under the inboard up end of spacing frame 14 and inboard, the detachable structure has been constituteed to this kind of setting, is convenient for change the battery 12 and charges, has guaranteed that the device can use at any time, the left end face of battery case 13 rotates and is connected with apron 15, the outside and the sampling tube 6 threaded connection of apron 15, the left side of apron 15 is equipped with the recess, and fixedly connected with diaphragm 16 in the recess, and this kind of setting is convenient for fixed and dismantlement battery 12, the outside fixedly connected with rubber sleeve 17 of sampling tube 6, this kind of setting is convenient for staff's the control.

The working process is as follows: when the sample storage tube 1 is produced, anticoagulant is preset inside, when the device is used, firstly, the intravenous infusion needle 2 is installed on the sample storage tube 1, then the sample storage tube 1 is inserted into the sampling tube 6, the sample storage tube 1 can be ensured to be inserted into a designated position through the arrangement of the limiting rod 7, the arrangement of the sealing rubber ring 2 can ensure better fixing and sealing effects on the sample storage tube 1, the placement height of the sample storage tube 1 is always lower than the horizontal height of the intravenous infusion needle 2, the anticoagulant can not flow back effectively through the arrangement, then a nurse uses the intravenous infusion needle 2 for puncture, when puncture fails, the intravenous infusion needle 2 is directly replaced, the use cost is lower, after puncture succeeds, the sampling tube 6 is held through the rubber sleeve 17, then the control switch 18 is pressed, so that the motor 9 is communicated with the battery 12, and then the threaded rod 10 drives the second piston block 11 to slide leftwards, and then under the effect of atmospheric pressure, drive the slip of first piston piece 5, and then make patient's blood enter into sample tube 1 through intravenous infusion needle 2, after drawing a certain amount of blood, loosen control switch 18, then extract intravenous infusion needle 2 from the patient on one's body, then extract intravenous infusion needle 2 from sample tube 1, then cover the pipe cap 4 of fixed connection on rubber strip 3 tightly on sample tube 1, then press another switch on control switch 18, control motor 9 reverses, and then realize the effect of pushing out sample tube 1, after using for a long time many times, can dismantle apron 15 through diaphragm 16 spiral, and then take out battery 12 and charge, the setting of battery case 13 and spacing frame 14, can play better spacing effect, make better laminating contact between the electric touch panel 19 of both sides.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Artery blood sampling hemostix, including storage tube (1) and venous transfusion needle (2), its characterized in that: one end of the sample storage tube (1) is connected with an intravenous infusion needle (2) through a joint, the inner side of the sample storage pipe (1) is connected with a first piston block (5) in a sliding way, the outer side of the sample storage pipe (1) is sleeved with a sampling pipe (6), the inner side of the sampling tube (6) is fixedly connected with a motor (9) through a supporting rod, the tail end of a main shaft of the motor (9) is fixedly connected with a threaded rod (10), the other end of the threaded rod (10) is rotatably connected with a limiting rod (7), the outer side of the threaded rod (10) is spirally connected with a second piston block (11), and the second piston block (11) is connected with the sampling pipe (6) in a sliding way, a battery (12) is arranged at the left side of the motor (9), the outside fixedly connected with control switch (18) of sampling pipe (6), exhaust hole (20) have been seted up to the bottom of sampling pipe (6).

2. An arterial hemostix according to claim 1, wherein: the sample storage tube (1) is close to one end outside fixedly connected with plastic strip (3) of venous transfusion needle (2), the other end fixedly connected with pipe cap (4) of plastic strip (3), and the pipe cap size is unanimous with venous transfusion needle (2) joint size.

3. An arterial hemostix according to claim 1, wherein: the inboard fixedly connected with gag lever post (7) of sampling pipe (6), the inboard fixedly connected with sealing rubber ring (8) of sampling pipe (6), and sealing rubber ring (8) are located the right side of gag lever post (7), and the right-hand member of sealing rubber ring (8) is personally submitted the cambered surface and is set up.

4. An arterial hemostix according to claim 1, wherein: the cross sections of the sample storage tube (1) and the sampling tube (6) are both arranged in an elliptical shape.

5. An arterial hemostix according to claim 1, wherein: the battery case (13) is fixedly connected to the outer side of the battery (12), the limiting frame (14) is connected to the outer side of the battery case (13) in a sliding mode, and the upper end face and the lower end face of the inner side of the limiting frame (14) and the upper end face and the lower end face of the outer side of the battery case (13) are fixedly connected with the electric contact plates (19).

6. An arterial hemostix according to claim 5 wherein: the left end face of battery case (13) rotates and is connected with apron (15), the outside and sampling pipe (6) threaded connection of apron (15), the left side of apron (15) is equipped with the recess, and fixedly connected with diaphragm (16) in the recess.

7. An arterial hemostix according to claim 1, wherein: the outer side of the sampling pipe (6) is fixedly connected with a rubber sleeve (17).

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