CN209847204U - Novel pen type auxiliary artery blood sampling device - Google Patents

Abstract

The utility model discloses a novel supplementary artery blood sampling of pen type device, including first drum, the outer wall right-hand member interference fit of first drum has the syringe needle, rubber buffer and syringe needle clearance fit, the inside right-hand member interference fit of first drum has the rubber pad, the left side rigid coupling of rubber pad has the horizontal pole, the outer wall left end threaded connection of horizontal pole has the retaining ring, the left end threaded connection of first drum has the second drum. The novel pen-type auxiliary arterial blood sampling device is beneficial to increasing the holding comfort level, thereby improving the accuracy and success rate of puncture and reducing the pain and complications brought to patients by puncture; the risk that medical care personnel and other related working personnel are punctured by the needle head is reduced; the operation links of operators are liberated, and the blood sampling success rate is improved; the waste of medical resources is reduced, and the medical cost of patients is reduced; therefore, the novel pen-type auxiliary artery blood sampling device can completely meet the use requirement of clinical artery blood sampling.

Description

Novel pen type auxiliary artery blood sampling device

Technical Field

The utility model relates to the technical field of medicine, specifically be a novel supplementary artery of pen type blood sampling device.

Background

In the use process of the existing artery blood sampling device, enough blood samples can be obtained only by drawing. The operator is required to keep a hand thread still and pull the pintle to suck the arterial blood sample by the other hand, the operation failure can be caused by slight change of the needle tip position in the whole process, the operator is uncomfortable to hold by the blood sampling device in the prior art, the accuracy and the success rate of the puncture are not favorable, and the pain and the complication of the patient are increased; and there is no way to liberate the operator's operational flow; the isolation of blood sample collection from air cannot be ensured, and the risk of needle stick injury of medical care personnel and other related working personnel cannot be avoided; when the operation is unsuccessful, the whole set of puncture device needs to be replaced, which causes resource waste and medical expense increase; therefore, the prior art is difficult to meet the higher clinical use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel supplementary artery of pen type blood sampling 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 novel pen-type auxiliary artery blood sampling device comprises a first cylinder, a needle head is in interference fit with the right end of the outer wall of the first cylinder, a first cover body is in interference fit with the right side of the outer wall of the first cylinder, a rubber plug is in interference fit with the right end of the inner wall of the first cover body, the rubber plug is in clearance fit with the needle head, a rubber pad is in interference fit with the right side of the interior of the first cylinder, a cross rod is fixedly connected to the left side of the rubber pad, a check ring is clamped to the left end of the outer wall of the cross rod through a clamping block, a second cylinder is in threaded connection with the left end of the first cylinder, the check ring is in sliding clamping connection with the second cylinder, cavities are formed in the right side of the interior of the second cylinder, first springs are fixedly connected to the upper side and the lower side of the check ring, the right end of the first, the left side top rigid coupling of plectane has the second spring, the left end rigid coupling of second spring has the button, spout and second drum slip joint are passed through on the right side of button, the right-hand member of button and the left side of retaining ring offset tightly, the left side rigid coupling of plectane has the kelly, the bottom that the opening runs through the second drum is passed through to the bottom of kelly, kelly and button joint are in the same place.

Preferably, the left end of the second cylinder is fixedly connected with a threaded rod, the outer wall of the threaded rod is in clearance fit with a sleeve through a through hole, and the left side of the outer wall of the threaded rod is in threaded connection with a second cover body.

Preferably, the left side of the outer wall of the first cylinder is sleeved with a rubber ring, and the left side of the rubber ring is attached to the right end of the second cylinder.

Preferably, the outer wall of the sleeve is provided with grinding lines.

Preferably, the outer wall of the second cover body is sleeved with a rubber sleeve.

Preferably, the outer wall of the threaded rod is sleeved with a gasket, the right side of the gasket is attached to the left side of the sleeve, and the left side of the gasket is attached to the right side of the second cover body.

Compared with the prior art, the beneficial effects of the utility model are that: this novel supplementary artery blood sampling of pen type device adopts the pen type appearance, has improved the operator and has gripped stability and comfort level, solves the concrete problem among the actual operation, does benefit to the degree of accuracy and the success rate that increase the puncture to reduce the painful and complication that the puncture brought for patient. Can protect the syringe needle through first lid, existing effective air isolation avoids medical personnel and other relevant staff to be stabbed the risk of hindering by the syringe needle. Potential energy of the first spring and the second spring is utilized to provide power for negative pressure suction of the blood collector, so that the operation link of an operator is liberated, and the success of blood collection is improved. And the needle head part can be replaced according to the use requirement, the use convenience is further improved, the needle head can be replaced when the puncture fails, the puncture can be continued, the medical expense of patients is reduced, the national medical resources are saved, and therefore the novel pen-type auxiliary artery blood sampling device can completely meet the use requirement of people.

Drawings

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

FIG. 2 is a schematic view of the connection between the second cylinder, the threaded rod and the second cover in FIG. 1;

FIG. 3 is a schematic view showing a connection relationship between the cross bar, the second cylinder and the button in FIG. 1;

fig. 4 is a schematic view of a connection structure of the first cylinder, the first cover and the cross bar in fig. 1.

In the figure: 1. the rubber ring comprises a first cylinder, 2, a needle head, 3, a first cover body, 4, a rubber plug, 5, a rubber pad, 6, a cross rod, 7, a second cylinder, 8, a retainer ring, 9, a cavity, 10, a first spring, 11, a circular plate, 12, a clamping rod, 13, a button, 14, a second spring, 15, a clamping block, 16, grinding lines, 17, a sliding groove, 18, an opening, 19, a threaded rod, 20, a through hole, 21, a second cover body, 22, a rubber sleeve, 23, a gasket, 24, a sleeve, 25 and a rubber ring.

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. 1-4, the present invention provides a technical solution: a novel pen-type auxiliary artery blood sampling device comprises a first cylinder 1, a needle 2 is in interference fit with the right end of the outer wall of the first cylinder 1, the needle 2 can be replaced, a first cover body 3 is in interference fit with the right side of the outer wall of the first cylinder 1, the first cover body 3 plays a role in protecting the needle 2, a rubber plug 4 is in interference fit with the right end of the inner wall of the first cover body 3, the rubber plug 4 is in clearance fit with the needle 2, a rubber pad 5 is in interference fit with the right side of the inner portion of the first cylinder 1, the rubber pad 5 improves the sealing performance between a cross rod 6 and the first cylinder 1, the left side of the rubber pad 5 is fixedly connected with the cross rod 6, a retainer ring 8 is clamped at the left end of the outer wall of the cross rod 6 through a fixture block 15, a circular plate 11 and the cross rod 6 are convenient to mount and dismount through the cooperation between the fixture block 15 and the cross rod 6, the retainer ring 8 gives a left, the retainer ring 8 is in sliding clamping connection with the second cylinder 7, the cavity 9 is formed in the right side of the interior of the second cylinder 7 from top to bottom, the first spring 10 is fixedly connected to the right side of the retainer ring 8 from top to bottom, the first spring 10 gives the retainer ring 8 an elastic force to the left, and therefore automatic blood drawing can be achieved, the right end of the first spring 10 is fixedly connected with the right end of the inner wall of the cavity 9, the inner wall of the second cylinder 7 is fixedly connected with the circular plate 11, the second spring 14 is fixedly connected to the upper portion of the left side of the circular plate 11, the circular plate 11 gives the first button 13 an elastic force to the left through matching with the second spring 14, the left end of the second spring 14 is fixedly connected with the button 13, the right end of the first button 13 abuts against the left side of the retainer ring 8, the right side of the button 13 is in sliding clamping connection with the second cylinder 7 through the sliding chute 17, the right end of the button 13 abuts against the left side of the retainer ring 8, the kelly 12 is in the same place with the joint of button 13, the left end rigid coupling of second drum 7 has threaded rod 19, threaded rod 19's outer wall has sleeve 24 through-hole 20 clearance fit, sleeve 24 prevents that the user from bumping button 13 by mistake, threaded rod 19's outer wall left side threaded connection has second lid 21, rubber ring 25 has been cup jointed on first drum 1's outer wall left side, rubber ring 25's left side and the right-hand member of second drum 7 are laminated mutually, rubber ring 25 strengthens the leakproofness between first drum 1 and the second drum 7, sleeve 24's outer wall processing has ground line 16, rubber sleeve 22 has been cup jointed to the outer wall of second lid 21, rubber sleeve 22 increases the friction of second lid 21 outer wall, gasket 23 has been cup jointed to the outer wall of threaded rod 19, gasket 23's right side and sleeve 24's left side are laminated mutually, gasket 23's left side and second lid 21's right side are laminated mutually.

When the novel pen-type auxiliary artery blood sampling device is used, the first button 13 is pushed rightwards at first, so that the button 13 drives the cross rod 6 to move rightwards through the retaining ring 8 and the retaining block 15, the first spring 10 and the second spring 14 are compressed, the cross rod 6 and a rubber pad fixedly connected with the right end of the cross rod 6 are located at the right end of the inner wall of the first cylinder 1, at the moment, the button 13 is clamped with the clamping rod 12, when a patient needs to be subjected to blood drawing, the first cover body 3 is taken down, the needle head 2 is inserted into a blood vessel of the patient, then the clamping rod 12 is pressed to be contacted, the left side of the clamping rod 12 bends downwards, the clamping rod 12 does not play a limiting role on the button 13 any more, at the moment, the button 13 moves leftwards under the effects of the first spring 10 and the second spring 14, the button 13 is matched with the retaining block 15 and the retaining ring 8, and further drives the cross rod 6, and then realize drawing blood, later unpack first drum 1 and second drum 7 apart, separate fixture block 15 and horizontal pole 6, and then be convenient for use the blood of drum 1 inside.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 (6)

1. A novel pen-type auxiliary arterial blood sampling device comprises a first cylinder (1), and is characterized in that: the outer wall right-hand member interference fit of first drum (1) has syringe needle (2), the outer wall right side interference fit of first drum (1) has first lid (3), the inner wall right-hand member interference fit of first lid (3) has rubber buffer (4), rubber buffer (4) and syringe needle (2) clearance fit, the inside right side interference fit of first drum (1) has rubber pad (5), the left side rigid coupling of rubber pad (5) has horizontal pole (6), the outer wall left end of horizontal pole (6) has retaining ring (8) through fixture block (15) joint, the left end threaded connection of first drum (1) has second drum (7), retaining ring (8) and second drum (7) slip joint, cavity (9) have all been seted up from top to bottom on the inside right side of second drum (7), the equal rigid coupling has first spring (10) from top to bottom on the right side of retaining ring (8), the right-hand member of first spring (10) and the inner wall right-hand member rigid coupling of cavity (9) are in the same place, the inner wall rigid coupling of second drum (7) has plectane (11), the left side top rigid coupling of plectane (11) has second spring (14), the left end rigid coupling of second spring (14) has button (13), spout (17) and second drum (7) slip joint are passed through to the right side of button (13), the right-hand member of button (13) and the left side of retaining ring (8) are supported tightly, the left side rigid coupling of plectane (11) has kelly (12), the bottom of kelly (12) is passed through the bottom of second drum (7) through opening (18), kelly (12) and button (13) joint are in the same place.

2. The novel pen-based assisted arterial blood collection device according to claim 1, characterized in that: the left end of second drum (7) is fixedly connected with threaded rod (19), the outer wall of threaded rod (19) has sleeve (24) through-hole (20) clearance fit, the outer wall left side threaded connection of threaded rod (19) has second lid (21).

3. The novel pen-based assisted arterial blood collection device according to claim 1, characterized in that: the rubber ring (25) is sleeved on the left side of the outer wall of the first cylinder (1), and the left side of the rubber ring (25) is attached to the right end of the second cylinder (7).

4. The novel pen-based assisted arterial blood collection device according to claim 2, characterized in that: the outer wall of the sleeve (24) is provided with grinding grains (16).

5. The novel pen-based assisted arterial blood collection device according to claim 2, characterized in that: and the outer wall of the second cover body (21) is sleeved with a rubber sleeve (22).

6. The novel pen-based assisted arterial blood collection device according to claim 2, characterized in that: the outer wall of threaded rod (19) has cup jointed gasket (23), the right side of gasket (23) and the left side laminating of sleeve (24) mutually, the left side of gasket (23) and the right side laminating of second lid (21) mutually.