CN215820943U - Automatic resilience protective arterial blood and gas collection device - Google Patents
Automatic resilience protective arterial blood and gas collection device Download PDFInfo
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- CN215820943U CN215820943U CN202121806874.8U CN202121806874U CN215820943U CN 215820943 U CN215820943 U CN 215820943U CN 202121806874 U CN202121806874 U CN 202121806874U CN 215820943 U CN215820943 U CN 215820943U
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Abstract
The utility model discloses an automatic resilience protective arterial blood gas collecting device, which comprises a shell for accommodating a blood sample, a puncture needle for collecting the blood sample and an accommodating cavity for accommodating the puncture needle, wherein the accommodating cavity is arranged in the shell, in order to solve the problems that the hand is easily hurt by the needle tip and the blood sample is easily polluted in the process of collecting the arterial blood gas sample, an accommodating cavity for accommodating the puncture needle is arranged in the shell, a rebound assembly is arranged at the bottom of the accommodating cavity, a fixing assembly is arranged at the bottom of the shell, when collecting the blood gas sample, the fixing component fixes the puncture needle, the puncture needle extends out of the accommodating cavity to collect the blood gas sample, after the blood sampling is finished, the control shell can be staggered with the fixed rod for fixing the puncture needle at the upper end by rotating the control shell, thereby make the pjncture needle utilize the automatic shrink of resilience subassembly to hold the chamber in, avoided causing the needle point to stab the hand easily and cause the problem of blood sample pollution easily.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an automatic rebounding protective arterial blood gas collection device.
Background
Blood gas analysis is one of important monitoring measures for urgent, serious and dangerous patients, and is a reliable method for judging whether patients have hypoxia and carbon dioxide retention. The collection of arterial blood gas samples is a common clinical nursing technique.
In the prior art, after blood sampling is finished, a needle head needs to be immediately penetrated into a rubber plug or a cork plug to isolate air. In the process of puncturing the needle into the rubber plug or the cork plug, the needle tip is easy to hurt the hand and the blood specimen is easy to be polluted.
We have therefore provided an automatic resilient protective arterial blood gas collection device which addresses the above problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an automatic rebounding protective arterial blood and gas collection device, which avoids the problems that the hand is easily injured by a needle tip and the blood specimen is easily polluted.
In order to achieve the above object, the present invention employs an automatic resilient protective arterial blood gas collection device comprising:
the blood sample collecting device comprises a shell for containing a blood sample, a puncture needle for collecting the blood sample and a containing cavity for containing the puncture needle, wherein the containing cavity is arranged in the shell, the puncture needle is movably stretched inside and outside one end of the containing cavity, and an input hole for the blood sample collected from the puncture needle to flow through the containing cavity and then enter the shell is formed in the inner wall of the containing cavity;
the bottom of shell is provided with the fixed subassembly that supplies the pjncture needle to fix, and the inside that holds the chamber is provided with the resilience subassembly that supplies the pjncture needle to kick-back to holding storage in the chamber.
As a further optimization of the above scheme, the fixing assembly comprises fixing rods fixed at the bottom of the housing, the fixing rods are in an L-shaped rod-like structure, and a pair of fixing rods is symmetrically arranged at two sides of the puncture needle.
In this embodiment, in order to solve and cause the problem that the hand was wounded and cause the blood sample to pollute easily to the needle point that causes among the collection artery blood gas sample process, the inside of shell is provided with the chamber that holds the pjncture needle, and the bottom that holds the chamber is provided with the subassembly of kick-backing, the bottom of shell is provided with fixed subassembly, when gathering the blood gas sample, fixed subassembly is fixed with the pjncture needle, the pjncture needle stretches out and holds the chamber setting and gather the blood gas sample, and after the blood sampling finishes, can make the dead lever that control shell and upper end fixed pjncture needle were used stagger through rotating the control shell, thereby make the pjncture needle utilize the subassembly of kick-backing automatic shrink to holding in the chamber, avoided causing the problem that the hand was wounded and cause the blood sample to pollute easily to the needle point easily.
As a further optimization of the scheme, the upper end of the puncture needle is provided with a control shell protruding out of the outer ring of the puncture needle, the control shell is of a long-strip rectangular box structure, and a check valve assembly for one-way input of the blood supply sample from the bottom opening of the puncture needle to the accommodating cavity is arranged in the control shell.
In order to avoid the blood sample pollution, be provided with the control shell in the outer lane department of pjncture needle, be provided with check valve subassembly in the control shell, during check valve subassembly blood supply sample one-way entering holds the chamber, isolated the air, avoided the blood sample contaminated or spill.
As a further optimization of the above scheme, the check valve assembly includes a pair of elastic sealing plates fixed on the inner wall of the control shell, one ends of the pair of elastic sealing plates, which are far away from each other, are respectively fixed on the inner walls of the two sides of the control shell, one ends of the pair of elastic sealing plates, which are close to each other, are overlapped with each other, a limiting round rod blocking the lower side of the elastic sealing plate is fixedly arranged on the inner wall of the control shell, and the edge of the elastic sealing plate and the inner wall of the control shell are movably attached and kept sealed.
Specifically, when pjncture needle bottom opening got into the blood gas sample, the blood gas sample promoted the elastic sealing plate and upwards opened to make the blood gas sample get into and hold the chamber after from the input hole entering shell storage, if when the blood gas sample backward flow, the blood gas sample promoted the elastic sealing plate and moves down, because the elastic sealing plate below blocks has spacing round bar, consequently, the elastic sealing plate can not be opened downwards, has avoided the blood gas sample backward flow.
As a further optimization of the above scheme, the upper surfaces of both ends of the control shell along the length direction thereof are provided with arc-shaped grooves for clamping the bottom of the fixing rod, and the surface of the arc-shaped grooves is fixedly provided with a rubber layer contacting the bottom of the fixing rod.
In order to increase the fixed effect of pjncture needle, be provided with the arc wall that supplies dead lever bottom block at the upper surface of control shell, difficult follow control shell when the dead lever block is in the arc wall shifts out, has increased the stability of pjncture needle, and the surface of arc wall is provided with the rubber layer, has increased the frictional force to the dead lever, and is fixed firm, and the pjncture needle is difficult for sliding or rotates and leads to becoming flexible.
As a further optimization of the above scheme, the resilience assembly comprises a spring, the upper end of the puncture needle is integrally provided with a positioning head extending into the accommodating cavity, the positioning head is of a round platform structure, the diameter of the upper end of the positioning head is large, the upper end outer ring of the positioning head is movably attached to the accommodating cavity inner wall and keeps sealed, the upper end of the spring is fixed on the bottom surface of the positioning head, and the lower end of the spring is fixed on the bottom inner wall of the accommodating cavity.
The during operation of resilience subassembly, the dead lever staggers mutually with the control shell, and control shell and pjncture needle lose limiting displacement, and the rebound effect of spring drives the first rebound of location, thereby stretch the pjncture needle to the inside storage that holds the chamber when location head rebound, has avoided the pjncture needle to expose the easy stab that appears and has wounded human body and contaminated phenomenon.
As a further optimization of the above scheme, a sealing ring is arranged at the bottom of the accommodating cavity, a rubber ring is fixedly arranged in the middle of the sealing ring, the upper end of the puncture needle movably penetrates through the middle of the rubber ring, the outer ring of the puncture needle and the rubber ring are sealed, and the length of the control shell is smaller than the outer diameter of the rubber ring.
In the device, the leakproofness between pjncture needle and the holding chamber has been guaranteed to the rubber circle, and the rubber circle has elastically deformable's ability, can make the control shell conflict the rubber circle smoothly and warp and get into and hold the chamber and collect, and the sealing ability that resets of rubber circle is strong, and the practicality is good.
As a further optimization of the above solution, the outer surface of the housing is provided with graduation marks distributed along the length direction thereof.
The scale mark of shell surface conveniently observes the volume of blood gas sample.
The automatic rebound protective arterial blood gas collection device has the following beneficial effects:
the utility model relates to an automatic rebound protective arterial blood gas collecting device, which comprises a shell for containing a blood sample, a puncture needle for collecting the blood sample and a containing cavity for containing the puncture needle, wherein the containing cavity is arranged inside the shell, the puncture needle is movably extended and retracted inside and outside one end of the containing cavity, the inner wall of the containing cavity is provided with an input hole for the blood sample collected from the puncture needle to flow through the containing cavity and enter the shell, in order to solve the problems that the needle point hurts the hand and the blood sample is easily polluted in the process of collecting the arterial blood gas sample, the containing cavity for containing the puncture needle is arranged inside the shell, a rebound assembly is arranged at the bottom of the containing cavity, a fixing assembly is arranged at the bottom of the shell, when the blood gas sample is collected, the fixing assembly fixes the puncture needle, the puncture needle extends out of the containing cavity to be arranged for collecting the blood gas sample, and after the blood gas sample is collected, can make control shell and the dead lever that the fixed pjncture needle of upper end was used stagger through rotating the control shell to make the pjncture needle utilize the resilience subassembly to contract automatically to holding in the chamber, avoided causing the needle point to stab the hand easily and cause the problem of blood sample pollution easily.
There have been disclosed in detail certain embodiments of the utility model with reference to the following description and drawings, and it is to be understood that the embodiments of the utility model are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the control housing of the present invention;
fig. 4 is an enlarged view of the structure at B in fig. 2 according to the present invention.
In the figure: the puncture needle comprises a shell 1, a puncture needle 2, an accommodating cavity 3, an input hole 4, scale marks 5, a positioning head 6, a control shell 7, a fixed rod 8, a sealing ring 9, a rubber ring 10, a spring 11, a rubber layer 12, an arc-shaped groove 13, a limiting round rod 14 and an elastic sealing plate 15.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-4 of the specification, the utility model provides a technical scheme: an automatic resilient protective arterial blood gas collection device comprising:
the blood sampling device comprises a shell 1 for containing a blood sample, a puncture needle 2 for collecting the blood sample and a containing cavity 3 for containing the puncture needle 2, wherein the containing cavity 3 is arranged inside the shell 1, the puncture needle 2 movably stretches into and out of one end of the containing cavity 3, and the inner wall of the containing cavity 3 is provided with an input hole 4 through which the blood sample collected from the puncture needle 2 flows into the shell 1 after flowing through the containing cavity 3;
the bottom of the shell 1 is provided with a fixing component for fixing the puncture needle 2, and the inside of the accommodating cavity 3 is provided with a rebounding component for rebounding the puncture needle 2 to the accommodating cavity 3 for storage.
The fixing component comprises a fixing rod 8 fixed at the bottom of the shell 1, the fixing rod 8 is of an L-shaped rod-shaped structure, and a pair of fixing rods 8 are symmetrically arranged at two sides of the puncture needle 2.
In this embodiment, in order to solve and cause the problem that the hand was wounded and cause the blood sample to pollute easily to the needle point that causes among the collection artery blood gas sample process easily, be provided with the chamber 3 that holds pjncture needle 2 in the inside of shell 1, and the bottom that holds chamber 3 is provided with the subassembly of kick-backing, the bottom of shell 1 is provided with fixed subassembly, when gathering the blood gas sample, fixed subassembly is fixed pjncture needle 2, pjncture needle 2 stretches out and holds the chamber 3 setting and gather the blood gas sample, and after the blood sampling finishes, can make control shell 7 stagger with the dead lever 8 that the fixed pjncture needle 2 was used in upper end through rotating control shell 7, thereby make pjncture needle 2 utilize the subassembly of kick-backing automatic shrink to holding in the chamber 3 in, avoided causing the needle point easily to stab the hand and cause the problem that the blood sample pollutes easily.
The upper end of the puncture needle 2 is provided with a control shell 7 protruding out of the outer ring of the puncture needle 2, the control shell 7 is of a long rectangular box structure, and a check valve component for unidirectional input of blood supply samples from the bottom opening of the puncture needle 2 to the accommodating cavity 3 is arranged inside the control shell 7.
In order to avoid the pollution of the blood sample, a control shell 7 is arranged at the outer ring of the puncture needle 2, a check valve component is arranged in the control shell 7, the check valve component supplies the blood sample to enter the accommodating cavity 3 in a one-way mode, air is isolated, and the blood sample is prevented from being polluted or leaking.
The check valve subassembly is including fixing a pair of elastic sealing plate 15 on control shell 7 inner wall, and the one end that a pair of elastic sealing plate 15 kept away from each other is fixed respectively at the both sides inner wall of control shell 7, and the mutual coincide setting of one end that a pair of elastic sealing plate 15 is close to each other is fixed on the inner wall of control shell 7 to be provided with and stops spacing round bar 14 in elastic sealing plate 15 below, and the edge of elastic sealing plate 15 and the movable laminating just keep sealed between the inner wall of control shell 7.
Specifically, when 2 bottom openings of pjncture needle get into the blood gas sample, the blood gas sample promotes elastic sealing plate 15 and upwards opens to make the blood gas sample get into and hold chamber 3 after from getting into 1 storage of shell in the input hole 4, if when the blood gas sample backward flow, the blood gas sample promotes elastic sealing plate 15 and moves down, because elastic sealing plate 15 below blocks has spacing round bar 14, consequently, elastic sealing plate 15 can not open downwards, has avoided the blood gas sample backward flow.
The control shell 7 is provided with arc grooves 13 for clamping the bottoms of the fixing rods 8 along the upper surfaces of the two ends of the length direction, and the rubber layers 12 contacting the bottoms of the fixing rods 8 are fixedly arranged on the surfaces of the arc grooves 13.
In order to increase the fixing effect of the puncture needle 2, an arc-shaped groove 13 for clamping the bottom of the fixing rod 8 is arranged on the upper surface of the control shell 7, the fixing rod 8 is not easy to move out of the control shell 7 when clamped in the arc-shaped groove 13, the stability of the puncture needle 2 is increased, a rubber layer 12 is arranged on the surface of the arc-shaped groove 13, the friction force on the fixing rod 8 is increased, the fixing is stable, and the puncture needle 2 is not easy to slide or rotate to cause looseness.
The subassembly that kick-backs includes spring 11, and the integrative positioning head 6 that stretches into the inside of holding chamber 3 that is provided with in the upper end of pjncture needle 2, and positioning head 6 is the round platform structure, and positioning head 6's upper end diameter is big, and positioning head 6's upper end outer lane with hold the chamber 3 inner wall between the activity laminating and keep sealed, the bottom surface at positioning head 6 is fixed to spring 11's upper end, and spring 11's lower extreme is fixed at the bottom inner wall that holds chamber 3.
The subassembly during operation kick-backs, dead lever 8 staggers mutually with control shell 7, and control shell 7 and pjncture needle 2 lose limiting displacement, and 6 rebound of spring 11 drives location head 6 rebound, thereby stretch pjncture needle 2 to the inside storage that holds chamber 3 during 6 rebound of location head, has avoided pjncture needle 2 to expose the easy stab of appearance and has wounded human and contaminated phenomenon.
The bottom of the accommodating cavity 3 is provided with a sealing ring 9, the middle part of the sealing ring 9 is fixedly provided with a rubber ring 10, the upper end of the puncture needle 2 movably penetrates through the middle part of the rubber ring 10, the outer ring of the puncture needle 2 and the rubber ring 10 are kept sealed, and the length of the control shell 7 is smaller than the outer diameter of the rubber ring 10.
In the device, the rubber ring 10 ensures the sealing performance between the puncture needle 2 and the accommodating cavity 3, the rubber ring 10 has the elastic deformation capacity, the control shell 7 can smoothly abut against the rubber ring 10 to deform and enter the accommodating cavity 3 for collection, and the rubber ring 10 has strong resetting sealing capacity and good practicability.
The outer surface of the housing 1 is provided with graduation marks 5 distributed along its length.
The scale mark 5 on the outer surface of the shell 1 is convenient for observing the amount of the blood gas sample.
The automatic resilience protective arterial blood gas collection device provided by the embodiment has the following working process:
in order to solve and cause the problem that the hand was hindered and the blood sample pollutes easily to the pinpoint that causes among the collection artery blood gas sample process, be provided with the chamber 3 that holds pjncture needle 2 in the inside of shell 1, and the bottom that holds chamber 3 is provided with the subassembly of kick-backing, the bottom of shell 1 is provided with fixed subassembly, when gathering the blood gas sample, fixed subassembly is fixed pjncture needle 2, pjncture needle 2 stretches out and holds chamber 3 and set up and gather the blood gas sample, and after the blood sampling finishes, can make control shell 7 stagger with the dead lever 8 that the fixed pjncture needle 2 of upper end was used through rotation control shell 7, thereby make pjncture needle 2 utilize the subassembly of kick-backing automatic shrink to holding in the chamber 3, avoided causing the pinpoint to hurt the hand easily and cause the problem of blood sample pollution easily.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. Automatic resilience protective artery blood gas collection system which characterized in that includes:
the blood sample collecting device comprises a shell for containing a blood sample, a puncture needle for collecting the blood sample and a containing cavity for containing the puncture needle, wherein the containing cavity is arranged in the shell, the puncture needle is movably stretched inside and outside one end of the containing cavity, and an input hole for the blood sample collected from the puncture needle to flow through the containing cavity and then enter the shell is formed in the inner wall of the containing cavity;
the bottom of shell is provided with the fixed subassembly that supplies the pjncture needle to fix, and the inside that holds the chamber is provided with the resilience subassembly that supplies the pjncture needle to kick-back to holding storage in the chamber.
2. The automatic resilient protective arterial blood collection device according to claim 1, wherein: the fixing assembly comprises fixing rods fixed at the bottom of the shell, the fixing rods are of L-shaped rod-shaped structures, and a pair of fixing rods is symmetrically arranged on two sides of the puncture needle.
3. The automatic resilient protective arterial blood collection device according to claim 2, wherein: the upper end of pjncture needle is provided with the control shell of protrusion pjncture needle outer lane, the control shell is rectangular box body structure, and control shell inside is provided with the check valve subassembly that supplies blood sample to hold in the chamber from pjncture needle bottom opening one-way input.
4. The automatic resilient protective arterial blood collection device according to claim 3, wherein: the check valve subassembly is including fixing a pair of elastic sealing plate on the control shell inner wall, and the one end that a pair of elastic sealing plate kept away from each other is fixed respectively at the both sides inner wall of control shell, and the mutual coincide setting of one end that a pair of elastic sealing plate is close to each other, the fixed spacing round bar that blocks in the elastic sealing plate below that is provided with on the inner wall of control shell, the movable laminating just keeps sealed between the edge of elastic sealing plate and the control shell inner wall.
5. The automatic resilient protective arterial blood collection device according to claim 4, wherein: the control shell is provided with arc-shaped grooves for clamping the bottoms of the fixing rods along the upper surfaces of the two ends of the control shell in the length direction, and the surfaces of the arc-shaped grooves are fixedly provided with rubber layers which are in contact with the bottoms of the fixing rods.
6. The automatic resilient protective arterial blood collection device according to claim 5, wherein: the resilience assembly comprises a spring, the upper end of the puncture needle is integrally provided with a positioning head extending into the accommodating cavity, the positioning head is of a round platform structure, the diameter of the upper end of the positioning head is large, the upper end outer ring of the positioning head is movably attached to the accommodating cavity inner wall and keeps sealed, the upper end of the spring is fixed on the bottom surface of the positioning head, and the lower end of the spring is fixed on the bottom inner wall of the accommodating cavity.
7. The automatic resilient protective arterial blood collection device according to claim 6, wherein: the bottom of the accommodating cavity is provided with a sealing ring, the middle part of the sealing ring is fixedly provided with a rubber ring, the upper end of the puncture needle movably penetrates through the middle part of the rubber ring, the outer ring of the puncture needle and the rubber ring are kept sealed, and the length of the control shell is smaller than the outer diameter of the rubber ring.
8. The automatic resilient protective arterial blood collection device according to claim 7, wherein: the outer surface of the shell is provided with scale marks distributed along the length direction of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121806874.8U CN215820943U (en) | 2021-08-04 | 2021-08-04 | Automatic resilience protective arterial blood and gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121806874.8U CN215820943U (en) | 2021-08-04 | 2021-08-04 | Automatic resilience protective arterial blood and gas collection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215820943U true CN215820943U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121806874.8U Active CN215820943U (en) | 2021-08-04 | 2021-08-04 | Automatic resilience protective arterial blood and gas collection device |
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| Country | Link |
|---|---|
| CN (1) | CN215820943U (en) |
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2021
- 2021-08-04 CN CN202121806874.8U patent/CN215820943U/en active Active
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