CN210044010U - Vacuum blood collection tube with self-detection function - Google Patents

Vacuum blood collection tube with self-detection function Download PDF

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Publication number
CN210044010U
CN210044010U CN201821544073.7U CN201821544073U CN210044010U CN 210044010 U CN210044010 U CN 210044010U CN 201821544073 U CN201821544073 U CN 201821544073U CN 210044010 U CN210044010 U CN 210044010U
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protective cap
rubber buffer
blood collection
self
collection tube
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CN201821544073.7U
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Chinese (zh)
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韦莉
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Liuzhou Tan People's Hospital
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Liuzhou Tan People's Hospital
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Abstract

The utility model discloses a vacuum test tube with detect by oneself, including body, protective cap and rubber buffer, the protective cap is connected with body open-top department's outer wall interference fit, the rubber buffer is connected with body open-top department's inner wall interference fit, the rubber buffer gomphosis is inside the protective cap, the rubber buffer is connected with the inside wall bonding of protective cap, accompany the seal membrane between rubber buffer top and the inner wall of protective cap top, open at the protective cap top has the shrinkage pool, the vertical direction of rubber buffer is opened there is the through-hole, the through-hole faces the shrinkage pool. The utility model discloses a set up through-hole and shrinkage pool and make the bottom and the top of seal membrane bear different atmospheric pressure respectively to make the vacuum test tube that designs can detect it by oneself and whether have the negative pressure, avoid medical staff to misuse the vacuum test tube of inside no negative pressure.

Description

Vacuum blood collection tube with self-detection function
Technical Field
The utility model relates to a vacuum test tube specifically is a vacuum test tube with detect by oneself, belongs to vacuum test tube application technical field.
Background
The vacuum blood collection tube is a vacuum negative pressure blood collection tube, compared with the traditional blood collection mode, the vacuum blood collection tube can collect multi-tube samples through one-time venipuncture, saves time and labor, can relieve the pain of patients and is convenient to use; generally disposable.
Before the general vacuum blood collection tube is not used, the function of automatically detecting whether the interior of the general vacuum blood collection tube has negative pressure or not is lacked, so that medical staff can mistakenly use the vacuum blood collection tube without the negative pressure inside the general vacuum blood collection tube; although some have improved this point, for example, the vacuum blood collection tube provided by chinese patent CN201320749955 and the vacuum blood collection tube with an improved structure provided by CN201510946524 both use an air bag to determine the state of the air pressure in the tube body, but the air bag is disposed outside the rubber plug, so that the air bag is easily damaged, and the vacuum blood collection tube fails, resulting in waste.
Moreover, after the blood is collected, when the blood needs to be taken out, the protection cap at the top of the vacuum blood collection tube is generally clamped by external tools and tweezers to be dragged, so that the protection cap and the rubber plug are separated from the vacuum blood collection tube, and the protection cap and the rubber plug are generally tightly matched with the vacuum blood collection tube and may be difficult to pull out, thereby resulting in a long pulling-out time. Therefore, to solve the above problems, a vacuum blood collection tube with self-detection is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vacuum blood collection tube with self-detection in order to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a vacuum test tube with detect by oneself, including body, protective cap and rubber buffer, the protective cap is connected with body open-top portion's outer wall interference fit, the rubber buffer is connected with body open-top portion's inner wall interference fit, the rubber buffer gomphosis is inside the protective cap, the rubber buffer is connected with the inside wall bonding of protective cap, accompany the seal membrane between rubber buffer top and the protective cap top inner wall, open at the protective cap top has the shrinkage pool, the vertical direction of rubber buffer is opened there is the through-hole, the through-hole faces the shrinkage pool.
Further, the protective cap is connected with the top bonding of seal membrane, the rubber buffer is connected with the bottom bonding of seal membrane.
Furthermore, the outer side wall of the protective cap is provided with a plurality of anti-skid grooves distributed in an annular array.
Furthermore, scale marks are marked on the length direction of the pipe body.
Further, the outer surface of the pipe body is sleeved with a pressing ring and a push ring, the pressing ring can slide along the length direction of the pipe body, the pressing ring is located at the bottom of the protective cap, and two connecting rods symmetrical about the pipe body are fixedly connected between the bottom of the pressing ring and the top of the push ring in a perpendicular mode.
Further, the bottom of the push ring is bonded with a rubber gasket.
Further, the inner diameter of the pressing ring is smaller than the outer diameter of the bottom of the protective cap.
Further, the clamping ring and the push ring are detachably connected with the pipe body.
The utility model has the advantages that:
1. the utility model discloses a vacuum test tube's protective cap and rubber buffer between have the seal membrane, the seal membrane passes through-hole and shrinkage pool, make its bottom and top bear different atmospheric pressure respectively, wherein, the seal membrane bottom bears the inside atmospheric pressure of body, the top bears external atmospheric pressure, when the inside negative pressure state that is in of body, the seal membrane passes through the pressure differential and is in sunken state, when the inside no negative pressure of body, the seal membrane does not bear pressure, the seal membrane does not have sunkenly, thereby the accessible is looked over whether the seal membrane is sunken to learn vacuum test tube and whether has the negative pressure, consequently, through the aforesaid setting, the utility model discloses a vacuum test tube can detect it by oneself whether has the negative pressure, avoids medical staff to use the vacuum test tube of inside no negative pressure.
2. After the blood sampling is carried out inside the tube body, the protective cap, the rubber plug and the opening at the top of the tube body can be conveniently separated through the pressing ring, the push ring and the connecting rod, the top of the tube body can be conveniently opened, the time for opening the top of the tube body can be saved, and the pressing ring, the push ring and the connecting rod can be taken down from the tube body and can be repeatedly used.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the structural schematic diagram of the protective cap and the anti-slip groove of the present invention.
Fig. 3 is a schematic overall structure diagram of another embodiment of the present invention.
In the figure: 1. the device comprises a pipe body, 2, a protective cap, 3, a rubber plug, 4, a sealing film, 5, a concave hole, 6, a pressing ring, 7, a pushing ring, 8, a connecting rod, 9, a rubber gasket, 10, a through hole, 11, scale marks, 12 and an anti-skidding groove.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
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, a vacuum blood collection tube with self-detection function comprises a tube body 1, a protective cap 2 and a rubber plug 3, wherein the protective cap 2 is connected with an outer wall of an opening at the top of the tube body 1 in an interference fit manner, the rubber plug 3 is connected with an inner wall of the opening at the top of the tube body 1 in an interference fit manner so as to seal the top of the tube body 1 through the rubber plug 3, the rubber plug 3 can be protected by the protective cap 2, and the rubber plug 3 and the tube body 1 can be prevented from falling off by the protective cap 2. The rubber plug 3 is embedded in the protective cap 2, the rubber plug 3 is connected with the inner side wall of the protective cap 2 in an adhesion way, a sealing film 4 is clamped between the top of the rubber plug 3 and the inner wall of the top of the protective cap 2, a concave hole 5 is opened at the top of the protective cap 2, the concave hole 5 penetrates through the outer wall and the inner wall of the top of the protective cap 2, therefore, the seal film 4 can be observed through the concave hole 5, the vertical direction of the rubber plug 3 is provided with a through hole 10, the through hole 10 faces the concave hole 5, and at the moment, a sealing film 4 is clamped between the through hole 10 and the concave hole 5, the sealing film 4 is in a concave state by pressure difference when the inside of the tube body 1 is in a negative pressure state, when there is no negative pressure inside the tube body 1, the sealing film 4 does not bear the pressure, the sealing film 4 does not have a dent, and therefore, whether the sealing film 4 is sunken can be checked through the concave hole 5 to know whether the vacuum blood collection tube has negative pressure.
Further, the protective cap 2 is in adhesive connection with the top of the sealing film 4, the rubber plug 3 is in adhesive connection with the bottom of the sealing film 4, and the sealing film 4 is bonded with the protective cap 2 and the rubber plug 3 to realize sealing and isolation between the concave hole 5 and the through hole 10; the outer side wall of the protective cap 2 is provided with a plurality of anti-slip grooves 12 distributed in an annular array, and the anti-slip grooves 12 can increase the friction force and avoid slipping when the protective cap 2 is taken down; the length direction of body 1 is marked scale mark 11, can carry out the measurement of body 1 inside blood.
Referring to fig. 3, in another embodiment of the present invention, a pressing ring 6 and a pushing ring 7 that can slide along the length direction of the tube 1 are further sleeved on the outer surface of the tube 1, the pressing ring 6 is located at the bottom of the protective cap 2, and two connecting rods 8 that are symmetrical with respect to the tube 1 are vertically and fixedly connected between the bottom of the pressing ring 6 and the top of the pushing ring 7. Preferably, the pressing ring 6 and the pushing ring 7 are detachably connected with the pipe body 1, so that the pressing ring 6 and the pushing ring 7 can be taken off from the pipe body 1, and the pressing ring 6 and the pushing ring 7 can be reused.
Furthermore, the bottom of the push ring 7 is bonded with a rubber gasket 9, and the rubber gasket 9 can increase the comfort of medical staff when pushing the push ring 7 through the elasticity of the rubber gasket 9; the internal diameter of clamping ring 6 is less than the external diameter of 2 bottoms on the protective cap, and clamping ring 6 can promote 2 bottoms on the protective cap when promoting.
Further, the upper portion of body 1 lateral wall is smooth structure, and the lower part is provided with the external screw thread structure, push ring 7 is provided with the internal thread structure with body 1 junction, push ring 7 with body 1's upper portion sliding connection, with body 1's lower part threaded connection to can firm the installation on body 1 under the condition that the body 1 top need not be opened with push ring 7 and push ring 6, can promote protective cap 2 when body 1 top needs to be opened, at this moment, push ring 6 and push ring 7 are in body 1's smooth structure part, and body 1's external screw thread structure part still can increase human hand to body 1's frictional force, plays the antiskid effect.
The utility model discloses when using, seal membrane 4 has between vacuum test tube's protective cap 2 and rubber buffer 3, seal membrane 4 passes through-hole 10 and shrinkage pool 5, make its bottom and top bear the atmospheric pressure and the external atmospheric pressure of body 1 inside respectively, thereby make the region that seal membrane 4 is located through-hole 10 top bear the atmospheric pressure difference, when body 1 inside is in the negative pressure state, seal membrane 4 is in sunken state through the pressure difference, when body 1 inside does not have the negative pressure, body 1 inside and outside atmospheric pressure equals, seal membrane 4 does not have the concavity, medical staff is through observing seal membrane 4, can judge vacuum test tube inside has the negative pressure, thereby realize the detection, avoid medical staff to misuse the vacuum test tube of inside no negative pressure; after blood is collected in the tube body 1, when the top of the tube body 1 needs to be opened, a medical worker grasps the tube body 1 with one hand, grasps the protective cap 2 with the other hand through an external tool forceps to be pulled, meanwhile, the hand grasping the tube body 1 pushes the push ring 7 through the thumb, the bottom of the protective cap 2 is pushed through the connecting rod 8 and the press ring 6, the protective cap 2 and the rubber plug 3 are separated from the tube body 1, and the top of the tube body 1 is opened.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a vacuum test tube with self-checking which characterized in that: including body (1), protective cap (2) and rubber buffer (3), protective cap (2) are connected with the outer wall interference fit of body (1) top opening part, rubber buffer (3) are connected with the inner wall interference fit of body (1) top opening part, rubber buffer (3) gomphosis is inside protective cap (2), rubber buffer (3) are connected with the inside wall bonding of protective cap (2), accompany seal membrane (4) between rubber buffer (3) top and the inner wall of protective cap (2) top, open at protective cap (2) top has shrinkage pool (5), open the vertical direction of rubber buffer (3) has through-hole (10), through-hole (10) face shrinkage pool (5);
body (1) surface has cup jointed can follow gliding clamping ring (6) of body (1) length direction and has pushed away ring (7), just clamping ring (6) are located protective cap (2) bottom, perpendicular rigid coupling has two connecting rods (8) about body (1) symmetry between clamping ring (6) bottom and the push away ring (7) top.
2. The evacuated blood collection tube with self-test according to claim 1, wherein: protective cap (2) and the top adhesive connection of seal membrane (4), rubber buffer (3) and the bottom adhesive connection of seal membrane (4).
3. The evacuated blood collection tube with self-test according to claim 1, wherein: the outer side wall of the protective cap (2) is provided with a plurality of anti-skid grooves (12) distributed in an annular array.
4. The evacuated blood collection tube with self-test according to claim 1, wherein: the length direction of the pipe body (1) is marked with scale marks (11).
5. The evacuated blood collection tube with self-test according to claim 1, wherein: the bottom of the push ring (7) is connected with a rubber gasket (9) in an adhesive way.
6. The evacuated blood collection tube with self-test according to claim 1, wherein: the inner diameter of the pressing ring (6) is smaller than the outer diameter of the bottom of the protective cap (2).
7. The evacuated blood collection tube with self-test according to claim 1, wherein: the pressing ring (6) and the push ring (7) are detachably connected with the pipe body (1).
CN201821544073.7U 2018-09-20 2018-09-20 Vacuum blood collection tube with self-detection function Active CN210044010U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821544073.7U CN210044010U (en) 2018-09-20 2018-09-20 Vacuum blood collection tube with self-detection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821544073.7U CN210044010U (en) 2018-09-20 2018-09-20 Vacuum blood collection tube with self-detection function

Publications (1)

Publication Number Publication Date
CN210044010U true CN210044010U (en) 2020-02-11

Family

ID=69376156

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821544073.7U Active CN210044010U (en) 2018-09-20 2018-09-20 Vacuum blood collection tube with self-detection function

Country Status (1)

Country Link
CN (1) CN210044010U (en)

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