CN210631229U

CN210631229U - Blood sampling pen with automatic ejection device

Info

Publication number: CN210631229U
Application number: CN201920907608.0U
Authority: CN
Inventors: 王一鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2020-05-29
Anticipated expiration: 2029-06-17

Abstract

The utility model relates to the technical field of medical blood sampling pens, in particular to a blood sampling pen with an automatic ejection device, which comprises a pen container, the end part of the pen container is connected with a pen cap, the left side and the right side of the pen cap are provided with first springs, an ejection button is arranged above the left side wall and the right side wall of the pen container, a second spring is arranged on the ejection button, a sliding groove is arranged below the ejection button, a bayonet lock is connected below the ejection button and inside the ejection button penetrating through the sliding groove, a third spring is connected above the inside of the pen cap, a fixed rod is connected above the inside of the pen cap, the bottom of the third spring is connected with a needle cylinder, a rubber plug is arranged at the bottom of the fixed rod, the outer side wall of the needle cylinder is provided with a snap ring, the bottom of the needle cylinder is connected with a blood, the utility model discloses a design can make the operation of blood sampling pen simpler, improves work efficiency, and application scope is extensive.

Description

Blood sampling pen with automatic ejection device

Technical Field

The utility model relates to a medical blood sampling pen technical field specifically is a blood sampling pen with automatic jettison device.

Background

Under current medical condition, the application of blood sampling pen is more and more extensive, most blood sampling pen depth of penetration is limited in current market, can not adjust the depth of penetration at will, it is great to use the limitation, need to draw blood with different blood sampling pens to different skin types, the operation is got up complicatedly, very waste time, depositing of blood sampling pen still will classify and deposit, very trouble, some blood sampling pens need manual operation press the mode of extraction to take a blood sample, not only can not accurate successful blood sampling, still make whole use flow complicated, greatly reduced work efficiency, consequently, to the improvement of current blood sampling pen, design a novel blood sampling pen and change above-mentioned technical defect, improve work efficiency, it is especially important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood sampling pen with automatic jettison device 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:

a blood sampling pen with an automatic ejection device comprises a pen container, wherein a pen cap is connected to the center of the end of the pen container in a sliding mode, the pen cap integrally penetrates through the end of the pen container, the bottom of the pen cap extends into the pen container, a first spring is fixedly mounted on the left side and the right side of the pen cap and is close to the base surface of the pen container, ejection buttons are mounted above the left side and the right side of the pen container and are close to the pen cap, the ejection buttons penetrate through the left side wall and the right side wall of the pen container, one end of each ejection button extends into the pen container and corresponds to the bottom of the pen cap, a second spring is fixedly mounted on the ejection buttons and the outer side wall of the pen container, sliding grooves are fixedly formed in the left side wall and the right side of the pen container, the sliding grooves are located below the ejection buttons, a bayonet pin is connected to the inside of the ejection buttons and penetrates through the sliding, the utility model discloses a safety pen, including pen cap, needle cylinder lateral wall, dead lever, pen cap, the inside top of pen cap and the inside fixedly connected with dead lever that runs through the third spring, the bottom fixedly connected with cylinder of third spring, the dead lever runs through in the cylinder, just the bottom of dead lever extends to the bottom of cylinder, the bottom fixed mounting of dead lever has the rubber buffer, the top at cylinder lateral wall middle part is equipped with the snap ring, the bottom fixedly connected with blood taking needle of cylinder, the nib is installed to the bottom of pen cylinder, the bottom of nib.

Preferably, the number of the first spring and the number of the second spring are two, and the number of the ejection button, the sliding groove and the bayonet lock are two.

Preferably, the sliding groove is provided with four bolt openings.

Preferably, the pen container is connected with the pen point in a threaded manner.

Preferably, the blood taking needle is connected perpendicularly with the bottom of cylinder, the bottom of dead lever is connected perpendicularly with the center department of rubber buffer, launch button and the left and right sides lateral wall vertical connection of pen container, bayonet lock and the left and right sides lateral wall of pen container just are located the below department vertical connection that launches the button.

Preferably, the snap ring is of an annular structure, and the rubber plug is of a disc-shaped structure.

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

1. the utility model discloses in, through the installation of bayonet lock for the pen container is located different positions after launching, can let the blood taking needle spill different length, thereby changes the depth of penetration of blood taking needle, greatly increased the application universality of blood taking pen, solved the use limitation of most blood taking pen, and the practicality is higher.

2. The utility model discloses in, through the installation of launching the button, press the button of launching when using the blood sampling pen, extrude pen cap bottom department through launching the button for the snap ring of cylinder breaks away from the constraint of pen cap, just can launch the blood sampling needle smoothly and go out and take a blood sample, and whole operation flow is simple convenient, has improved work efficiency by a wide margin.

3. The utility model discloses in, through the installation of spring for the blood sampling pen can launch the blood sampling at will, has reduced the extraction of pressing down of manpower, reunion bayonet lock is in the setting of sliding tray bolt mouth, makes the blood sampling degree of accuracy higher faster more convenient.

Drawings

FIG. 1 is a schematic view of the structure before the whole ejection of the present invention;

FIG. 2 is a schematic view of the structure of the ejection device after the ejection;

fig. 3 is a schematic side view of the present invention.

In the figure: 1-pen container, 2-pen cap, 3-first spring, 4-ejection button, 5-second spring, 6-sliding groove, 7-bayonet lock, 8-third spring, 9-fixing rod, 10-syringe, 11-rubber plug, 12-snap ring, 13-blood taking needle, 14-pen point and 15-needle hole.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a blood sampling pen with an automatic ejection device comprises a pen container 1, a pen cap 2 is connected to the center of the end of the pen container 1 in a sliding mode, the pen cap 2 integrally penetrates through the end of the pen container 1, the bottom of the pen cap 2 extends into the pen container 1, first springs 3 are fixedly mounted on the left side and the right side of the pen cap 2 and a base surface of the pen container 1, ejection buttons 4 are symmetrically mounted above the left side wall and the right side wall of the pen container 1, the ejection buttons 4 are vertically connected with the left side wall and the right side wall of the pen container 1, the ejection buttons 4 penetrate through the left side wall and the right side wall of the pen container 1, one ends of the ejection buttons 4 extend into the interior of the pen container 1 and are mounted corresponding to the bottom of the pen cap 2, second springs 5 are fixedly mounted on the outer side walls of the pen container 1, two first springs 3 and two second springs 5 are arranged, sliding grooves 6 are fixedly formed in the, four plug pin openings are formed in the sliding groove 6, bayonet pins 7 are connected below the ejection button 4 and penetrate through the sliding groove 6 in a sliding mode, the ejection button 4, the sliding groove 6 and the bayonet pins 7 are respectively provided with two, the bayonet pins 7 are vertically connected with the left side wall and the right side wall of the pen container and are positioned below the ejection button 4, a third spring 8 is fixedly connected above the interior of the pen cap 2, a fixing rod 9 is fixedly connected above the interior of the pen cap 2 and penetrates through the interior of the third spring 8, a needle cylinder 10 is fixedly connected with the bottom of the third spring 8, the fixing rod 9 penetrates through the needle cylinder 10, the bottom of the fixing rod 9 extends to the bottom of the needle cylinder 10, a rubber plug 11 is fixedly installed at the bottom of the fixing rod 9, the rubber plug 11 is of a disc-shaped structure, a clamping ring 12 is arranged above the middle part of the outer side wall of the needle cylinder 10, the clamping ring, the pen point 14 is installed at the bottom of the pen container 1, the pen container 1 is connected with the pen point 14 in a threaded mode, and a needle hole 15 matched with the blood taking needle 13 is formed in the bottom of the pen point 14.

The utility model discloses work flow: before daily blood sampling, firstly, the bayonet lock 7 is adjusted according to the skin of a blood sampling object, the bayonet lock 7 is adjusted in a sliding mode through four bolt openings of the sliding groove 6, when the needle cylinder 10 is impacted downwards by the acting force of the third spring 8, the inner part of the bayonet lock 7 is contacted with the clamping ring 12, the bayonet lock 7 can prevent the needle cylinder 10 from continuously impacting downwards, the bayonet lock 7 is adjusted according to the bolt openings in the sliding groove 6, so that the blood sampling needle 13 can penetrate out corresponding puncture depth, after the adjustment is finished, the blood sampling part is cleaned and disinfected, the blood sampling pen is placed at the corresponding blood sampling part, the ejection button 4 is pressed after the position is found, the ejection button 4 can push the outer side of the bottom of the pen cap 2 to open the bottom of the pen cap 2, so that the needle cylinder 10 can be impacted downwards by the pushing force of the third spring 8, the ejection button 4 is released, and the button 4 can be restored to the initial, at this time, the blood taking needle 13 driven by the third spring 8 is inserted into a corresponding blood vessel of a blood-sampled person, because the needle cylinder 10 is driven by a downward impact force and the fixing rod 9 is fixed, at this time, the rubber plug 11 slides upwards in the needle cylinder 10, blood can enter the needle cylinder 10 along the blood taking needle 13 under the influence of pressure, so as to achieve the purpose of blood sampling, then the blood sampling pen is pulled out, if the collected blood is to be discharged out of the needle cylinder 10, only the pen cap 2 needs to be pressed downwards, so that the bottom of the pen cap 2 is hooked with the snap ring 12, then the pen cap 2 is loosened, at this time, the pen cap 2 is driven by the upward driving force of the first spring 3 to recover to an initial state, the needle cylinder 10 is driven to move upwards when the pen cap 2 moves upwards, the rubber plug 11 at the bottom of the fixing rod 9 moves downwards under the influence of pressure, and the blood in the needle cylinder 10 can be smoothly, the whole using process is simple and convenient, the working efficiency is high, and the practicability is high.

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

1. The utility model provides a blood sampling pen with automatic ejection device, includes pen container (1), its characterized in that: the pen container is characterized in that a pen cap (2) is connected to the center of the end of the pen container (1) in a sliding mode, the pen cap (2) integrally penetrates through the end of the pen container (1), the bottom of the pen cap (2) extends into the pen container (1), first springs (3) are fixedly mounted on the left side and the right side of the pen cap (2) and the base surface of the pen container (1), ejection buttons (4) are mounted above the left side wall and the right side of the pen container (1) and close to the pen cap (2), the ejection buttons (4) penetrate through the left side wall and the right side wall of the pen container (1), one ends of the ejection buttons (4) extend into the pen container (1) and are mounted corresponding to the bottom of the pen cap (2), second springs (5) are fixedly mounted on the outer side walls of the ejection buttons (4) and the pen container (1), sliding grooves (6) are fixedly formed in the left side wall and the right side wall of the pen container (1), and the sliding grooves (, a bayonet pin (7) is connected below the ejection button (4) and penetrates through the inner part of the sliding groove (6) in a sliding way, a third spring (8) is fixedly connected with the upper part of the interior of the pen cap (2), a fixed rod (9) is fixedly connected with the upper part of the interior of the pen cap (2) and penetrates through the interior of the third spring (8), the bottom of the third spring (8) is fixedly connected with a needle cylinder (10), the fixed rod (9) penetrates through the needle cylinder (10), the bottom of the fixed rod (9) extends to the bottom of the needle cylinder (10), a rubber plug (11) is fixedly arranged at the bottom of the fixed rod (9), a snap ring (12) is arranged above the middle part of the outer side wall of the needle cylinder (10), a blood taking needle (13) is fixedly connected with the bottom of the needle cylinder (10), the pen holder is characterized in that a pen point (14) is installed at the bottom of the pen holder (1), and a needle hole (15) matched with the blood taking needle (13) is formed in the bottom of the pen point (14).

2. The lancing device with automatic ejection device according to claim 1, wherein: the ejection button (4), the sliding groove (6) and the clamping pin (7) are respectively provided with two.

3. The lancing device with automatic ejection device according to claim 1, wherein: the sliding groove (6) is provided with four bolt openings.

4. The lancing device with automatic ejection device according to claim 1, wherein: the pen container (1) is connected with the pen point (14) in a threaded manner.

5. The lancing device with automatic ejection device according to claim 1, wherein: blood taking needle (13) is connected with the bottom of cylinder (10) perpendicularly, the bottom of dead lever (9) is located the vertical connection with the center of rubber buffer (11), launch button (4) and the left and right sides lateral wall vertical connection of pen container (1), bayonet lock (7) and the left and right sides lateral wall of pen container (1) just are located the below department vertical connection of launching button (4).

6. The lancing device with automatic ejection device according to claim 1, wherein: the snap ring (12) is of an annular structure, and the rubber plug (11) is of a disc-shaped structure.