CN219306720U - Blood gas hemostix - Google Patents
Blood gas hemostix Download PDFInfo
- Publication number
- CN219306720U CN219306720U CN202222495421.9U CN202222495421U CN219306720U CN 219306720 U CN219306720 U CN 219306720U CN 202222495421 U CN202222495421 U CN 202222495421U CN 219306720 U CN219306720 U CN 219306720U
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- blood
- capillary tube
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- end cap
- gas
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- 210000004369 blood Anatomy 0.000 title claims abstract description 90
- 239000008280 blood Substances 0.000 title claims abstract description 90
- 230000002439 hemostatic effect Effects 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 11
- 238000004868 gas analysis Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000010100 anticoagulation Effects 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000002321 radial artery Anatomy 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a blood gas hemostix, and belongs to the technical field of medical equipment. The blood taking device comprises a blood taking needle, a capillary tube, an end cap and an adapter, wherein the adapter and the end cap are respectively arranged at the front end and the rear end of the capillary tube, and the blood taking needle is arranged on the adapter; the front end of the adapter is provided with a luer head which is communicated with the capillary and is matched with the sample inlet, and the blood taking needle is arranged on the luer head through a needle head seat; the end cap is provided with a vent hole penetrating the end cap along the front and back directions, the rear end of the capillary tube is inserted into the front end of the vent hole, the vent hole is provided with a hemostatic piece for sealing the vent hole, and the hemostatic piece can allow gas to pass through and cannot allow liquid and gas to pass through after contacting the liquid. The operation is simple, the end cap is not required to be removed during sampling, and the end cap is only required to be removed during sample injection; the adapter need not be removed all the time, and the sampling adapter effect has two: firstly, connecting a blood taking needle; and secondly, a sample inlet connected with a blood gas analyzer or a blood gas analysis card, and the like.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a blood gas hemostix.
Background
The blood gas acid-base analysis is to detect the gas in the blood, which is an important index reflecting the respiratory physiological function, and at present, partial blood gas is detected by combining electrolyte (Na, K, cl, ca) and partial biochemical project detection. Blood-qi specimens are mainly collected from radial artery, forearm artery and femoral artery. The collection of the blood gas sample can be realized by utilizing a blood gas hemostix, so that the collection of arterial blood changes is simple and convenient.
The patent with application number CN202120515910.9 discloses a collection device for collecting trace blood for blood gas analysis, which comprises a blood taking needle, a combined connecting section and an anticoagulation capillary blood taking tube; the middle combined connecting section is connected with the blood taking needle and the anticoagulation capillary blood taking tube; the blood taking needle is integrally connected with the middle combined connecting section; the combined end of the anticoagulation capillary blood collection tube and the combined connecting section is a first end, and the outer side of the first end of the anticoagulation capillary blood collection tube is fixedly connected with a soft cap; the combined connecting section comprises an accommodating cavity for accommodating the soft cap; the accommodating cavity is in combined tight contact with the soft cap; a puncture needle communicated with the blood taking needle channel is also arranged in the accommodating cavity; when the accommodating cavity is combined with the soft cap, the puncture needle is penetrated into the anticoagulation capillary blood collection tube; in addition, a plugging cap is arranged at the second end of the anticoagulation capillary blood collection tube; the plugging cap is plugged after blood collection; and a handheld plate is arranged at the middle combined connecting section.
When in use, the accommodating cavity is combined with the soft cap, and the blood flow channel is communicated with the blood taking needle through the puncture needle; the rear hand-held handheld plate pierces the blood taking needle into radial artery, blood enters into anticoagulation capillary blood taking tube through blood flow channel, when blood in blood taking tube is full, the blood taking needle is pulled out rapidly; covering the back with a plugging cap, and finally completing separation of the anticoagulation capillary blood collection tube and the combined connecting section; the first end of the anticoagulation capillary blood collection tube can not leak blood because of the soft cap, and the second end can not leak blood because of the plugging cap.
From the above description, it can be seen that the existing blood gas hemostix includes a blood taking needle, a capillary tube, a protective cap, an end cap, a connecting piece, and the like, the connecting piece and the end cap are respectively disposed at the front and rear ends of the capillary tube, the connecting piece is provided with the blood taking needle, and the protective cap is disposed on the blood taking needle to avoid stabbing. During sampling, the end cap needs to be removed so as to be communicated with the atmosphere; after the sampling is finished, the end cap needs to be covered again to prevent the blood from flowing out, thereby avoiding blood pollution; during sample introduction, the end cap needs to be removed to communicate with the atmosphere. The foregoing process has the following problems: firstly, the process is complex, and the end cap needs to be operated repeatedly; secondly, the capillary tube cannot be directly connected with the blood gas analyzer or the blood gas analysis card, but the capillary tube (the connecting piece is required to be removed in the prior art) is connected with the adapter first, and then is connected with the sample inlet of the blood gas analyzer or the blood gas analysis card through the adapter.
Disclosure of Invention
In order to solve the problems, the embodiment of the utility model provides a blood gas hemostix, which is simple to operate, and the end cap is not required to be removed during sampling, and only the end cap is required to be removed during sampling; the adapter need not be removed all the time, and the sampling adapter effect has two: firstly, connecting a blood taking needle; and secondly, a sample inlet connected with a blood gas analyzer or a blood gas analysis card, and the like. The technical scheme is as follows:
the embodiment of the utility model provides a blood and gas hemostix, which comprises a blood taking needle 1, a capillary tube 3, an end cap 4 and an adapter 5, wherein the adapter 5 and the end cap 4 are respectively arranged at the front end and the rear end of the capillary tube 3, and the blood taking needle 1 is arranged on the adapter 5; the front end of the adapter 5 is provided with a luer head 6 which is communicated with the capillary tube 3 and is matched with the sample inlet, and the blood taking needle 1 is arranged on the luer head 6 through a needle seat; the end cap 4 is provided with a vent hole 7 penetrating the end cap along the front and back directions, the rear end of the capillary tube 3 is inserted into the front end of the vent hole 7, the vent hole 7 is provided with a hemostatic piece 8 sealing the vent hole, and the hemostatic piece 8 can allow gas to pass through and cannot allow liquid and gas to pass through after contacting the liquid.
The capillary 3 in the embodiment of the present utility model is a plastic capillary or a glass capillary.
Specifically, the adapter 5 in the embodiment of the present utility model includes a cylindrical body 9 and a luer 6 coaxially disposed at the front end thereof; the cylindrical body 9 is cylindrical, is coaxially arranged with the capillary tube 3, and is provided with a plurality of guide flaps 10 on the inner wall; the rear part of the luer head 6 is coaxially provided with a jack 11 for inserting the capillary tube 3, the jack 11 is communicated with the cylindrical body 9 and is larger than the inner hole of the luer head 6, the front end of the capillary tube 3 can pass through the guide flap 10 and is inserted into the jack 11, and a plurality of guide flaps 10 are uniformly distributed around the capillary tube 3; the guide flaps 10 are disposed in the front-rear direction with their inner sides flush with the inner walls of the insertion holes 11 and with their outer walls in contact with the capillaries 3.
Preferably, the front end of the luer head 6 in the embodiment of the utility model is coaxially provided with a short capillary 12 which is matched with the sample inlet.
Preferably, the outer wall of the cylindrical body 9 in the embodiment of the present utility model is provided with anti-skid patterns 13.
Specifically, the end cap 4 in the embodiment of the present utility model has a cylindrical structure coaxially disposed with the capillary tube 3, the vent hole 7 is coaxially disposed with the end cap 4, and the hemostatic member 8 has a cylindrical structure tightly fitted with the rear end of the vent hole 7 and is disposed at the rear end of the vent hole 7.
Preferably, the front end of the exhaust hole 7 in the embodiment of the present utility model is a taper hole with a large front and a small rear.
The technical scheme provided by the embodiment of the utility model has the beneficial effects that: the embodiment of the utility model provides a blood gas hemostix, which is simple to operate, and the end cap is not required to be removed during sampling, and only the end cap is required to be removed during sample injection; the adapter need not be removed all the time, and the sampling adapter effect has two: firstly, connecting a blood taking needle; and secondly, a sample inlet connected with a blood gas analyzer or a blood gas analysis card, and the like. In addition, the hemostatic member can be arranged to stop sampling after the hemostatic member reaches a predetermined volume (the hemostatic member is in contact with blood). Different adapters may be employed as desired.
Drawings
FIG. 1 is a perspective view of a blood and gas hemostix in an embodiment of the present utility model;
FIG. 2 is an external view of a blood-gas hemostix in an embodiment of the present utility model;
fig. 3 is a cross-sectional view of a blood and gas hemostix in an embodiment of the present utility model.
In the figure: 1 blood taking needle, 2 protective cap, 3 capillary tube, 4 end cap, 5 adapter, 6 luer head, 7 exhaust hole, 8 hemostatic piece, 9 tubular body, 10 guiding flap, 11 jack, 12 short capillary tube.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
Example 1
Referring to fig. 1 to 2, embodiment 1 provides a blood gas hemostix comprising a lancet 1, a protective cap 2, a capillary tube 3, an end cap 4, an adapter 5, and the like, the adapter 5 and the end cap 4 being provided at front and rear ends of the capillary tube 3, respectively. In order to prevent the capillary tube 3 from being broken, the capillary tube 3 is a plastic capillary tube or a glass capillary tube, and the inner wall of the capillary tube contains heparin anticoagulant; specifically, the capillary 3 is made of Pet. The front end of the adapter 5 is provided with a luer head 6 which is communicated with the capillary tube 3 and is matched with the sample inlet, and the blood taking needle 1 is arranged on the luer head 6 through a needle seat. Specifically, the luer 6 is a luer male, and the needle base is provided with a luer female and has the same structure as that of a common injection needle. The cap 4 is provided with a vent hole 7 extending therethrough in the front-rear direction, and has a cylindrical structure coaxially provided with the capillary tube 3, and the circumferential surface thereof is provided with anti-slip patterns 13. The rear end of the capillary tube 3 is inserted into the front end of the vent hole 7, and the rear end of the capillary tube 3 is tightly matched with the front end of the vent hole 7. The vent hole 7 is arranged coaxially with the end cap 4 and is provided with a hemostatic member 8 closing the vent hole. The hemostatic member 8 is capable of allowing the gas to pass through and not allowing the liquid and the gas to pass through after contacting the liquid, and the hemostatic member 8 has a cylindrical structure tightly matched with the rear end of the exhaust hole 7 and is disposed at the rear end of the exhaust hole 7. The protective cap 2 is covered on the blood taking needle 1.
The adapter 5 in this embodiment is to be held conveniently, and is to be connected to a sample inlet of a blood gas analyzer or a blood gas analysis card. Depending on the configuration of the capillary 3 and the sample inlet of the blood gas analyzer, different adapters 5 may be used, such as a luer sample or a capillary sample (aperture may not be suitable for the capillary 3), respectively, for the sample inlet of the blood gas analyzer. The structure of the sample introduction adapter 5 can be seen from the description of the application number CN2022211652761 (sample introduction port adapter of blood gas analyzer) and the application number CN2022211647744 (sample introduction port adapter of luer head type of blood gas analyzer).
The hemostatic member 8 is specifically a porous structure, wherein an inner hole is filled with a liquid-swelling gel, and the swelling gel blocks the inner hole to inhibit the passage of gas and liquid, and the structure can be described in application number CN2022213527465 (patent name: a hemostatic member and arterial blood sample collector).
The end cap 4 in this embodiment is preferably made of semi-rigid material, and may be made of LDPE for easy removal and installation.
In addition, the blood gas hemostix provided in this embodiment further includes a cap that can be covered on the luer head 6, and after the blood taking needle 1 is removed after sampling is completed, the luer head 6 is covered with the cap to avoid the sample from flowing out.
Example 2
Embodiment 2 provides an adapter, referring to fig. 3, the adapter 5 in this embodiment includes a cylindrical body 9 and a luer 6 coaxially disposed at its front end. The cylindrical body 9 is cylindrical, is coaxially arranged with the capillary tube 3, has a front end closed by the luer head 6, and has a plurality of guide flaps 10 (in line contact with the capillary tube 3 for facilitating the insertion of the capillary tube 3, and is used as a support for the capillary tube 3 for avoiding shaking after the capillary tube 3 is inserted) on the inner wall so as to facilitate the assembly of the adapter 5 with the capillary tube 3. The rear part of the luer head 6 is coaxially provided with a jack 11 into which the capillary tube 3 is inserted. The insertion hole 11 is communicated with the cylindrical body 9, is coaxially arranged with the capillary tube 3, has the same aperture as the outer diameter of the capillary tube 3, and has a larger aperture than the inner hole of the luer head 6. The front end of the capillary tube 3 can pass through the guide flaps 10 and be inserted into the insertion holes 11 to communicate with the luer head 6, and the guide flaps 10 are uniformly distributed around the capillary tube 3. The guide flaps 10 are disposed in the front-rear direction, the inner sides of the guide flaps are flush with the inner wall of the insertion hole 11 and contact with the outer wall of the capillary tube 3, the rear sides of the guide flaps are disposed obliquely inwards from rear to front (the rear sides of the guide flaps 10 form taper holes for facilitating capillary tube insertion), and the inner ends of the guide flaps are arc-shaped structures so as to reduce the contact area with the capillary tube 3.
Preferably, referring to fig. 3, if the sample inlet is of a capillary plug-in structure, the front end of the luer head 6 is coaxially provided with a short capillary 12 adapted to the sample inlet; the short capillary tube 12 is short, and this configuration allows the adapter 5 to accommodate both capillary plug-in and luer plug-in ports.
Preferably, referring to fig. 1-2, the outer wall of the cylindrical body 9 in the embodiment of the present utility model is provided with anti-skid patterns 13, and the anti-skid patterns 13 may be a plurality of arc protrusions arranged along the front-back direction, and the plurality of arc protrusions are uniformly distributed.
Example 3
Embodiment 3 provides an end cap having a cylindrical structure coaxially disposed with the capillary tube. Referring to fig. 3, since the hemostatic member 8 is large (a large exhaust area is required), the exhaust hole 7 is embodied as a stepped hole with a small front and a large rear. The rear end of the capillary tube 3 is inserted into the small hole end of the stepped hole, and the hemostatic member 8 is arranged at the large hole end of the stepped hole. Preferably, the front end of the large hole end of the vent hole 7 is a taper hole with a large front and a small back so as to facilitate the insertion of the capillary tube 3.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The blood gas hemostix comprises a blood taking needle (1), a capillary tube (3), an end cap (4) and an adapter (5), wherein the adapter (5) and the end cap (4) are respectively arranged at the front end and the rear end of the capillary tube (3), and the blood taking needle (1) is arranged on the adapter (5); the blood taking needle is characterized in that the front end of the adapter (5) is provided with a luer head (6) which is communicated with the capillary tube (3) and is matched with the sample inlet, and the blood taking needle (1) is arranged on the luer head (6) through a needle seat; the end cap (4) is provided with an exhaust hole (7) penetrating through the end cap along the front and back directions, the rear end of the capillary tube (3) is inserted into the front end of the exhaust hole (7), the exhaust hole (7) is provided with a hemostatic piece (8) for sealing the exhaust hole, and the hemostatic piece (8) can allow gas to pass through and cannot allow liquid and gas to pass through after contacting liquid.
2. The blood gas hemostix according to claim 1, characterized in that the capillary (3) is a plastic capillary or a glass capillary.
3. The blood and gas hemostix according to claim 1, characterized in that the adapter (5) comprises a cylindrical body (9) and a luer head (6) coaxially arranged at its front end; the cylindrical body (9) is cylindrical, is coaxially arranged with the capillary tube (3), and is provided with a plurality of guide flaps (10) on the inner wall; the rear part of the luer head (6) is coaxially provided with an inserting hole (11) for inserting the capillary tube (3), the inserting hole (11) is communicated with the cylindrical body (9) and is larger than the inner hole of the luer head (6), the front end of the capillary tube (3) can penetrate through the guide flap (10) and is inserted into the inserting hole (11), and a plurality of guide flaps (10) are uniformly distributed around the capillary tube (3); the guide flaps (10) are arranged in the front-rear direction, the inner sides of the guide flaps are flush with the inner wall of the insertion hole (11) and are in contact with the outer wall of the capillary tube (3).
4. The blood and gas hemostix according to claim 2, characterized in that the front end of the luer head (6) is coaxially provided with a short capillary tube (12) adapted to the sample inlet.
5. A blood and gas hemostix according to claim 3, characterized in that the outer wall of the cylindrical body (9) is provided with anti-slip threads (13).
6. The blood gas hemostix according to claim 1, wherein the end cap (4) has a cylindrical structure coaxially arranged with the capillary tube (3), the vent hole (7) is coaxially arranged with the end cap (4), and the hemostatic member (8) has a cylindrical structure tightly fitted with the rear end of the vent hole (7) and is provided at the rear end of the vent hole (7).
7. The blood and gas hemostix according to claim 6, characterized in that the front end of the vent hole (7) is a taper hole with a front large and a rear small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222495421.9U CN219306720U (en) | 2022-09-21 | 2022-09-21 | Blood gas hemostix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222495421.9U CN219306720U (en) | 2022-09-21 | 2022-09-21 | Blood gas hemostix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219306720U true CN219306720U (en) | 2023-07-07 |
Family
ID=87031613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222495421.9U Active CN219306720U (en) | 2022-09-21 | 2022-09-21 | Blood gas hemostix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219306720U (en) |
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2022
- 2022-09-21 CN CN202222495421.9U patent/CN219306720U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A blood gas sampler Granted publication date: 20230707 Pledgee: Hubei Science and Technology Financing Guarantee Co.,Ltd. Pledgor: HUBEI MEIOU MEDICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. Registration number: Y2024980013128 |