CN210749237U - Blood collection and conversion device - Google Patents
Blood collection and conversion device Download PDFInfo
- Publication number
- CN210749237U CN210749237U CN201921554866.1U CN201921554866U CN210749237U CN 210749237 U CN210749237 U CN 210749237U CN 201921554866 U CN201921554866 U CN 201921554866U CN 210749237 U CN210749237 U CN 210749237U
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- needle
- converter
- blood
- seat
- puncture
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- 210000004369 blood Anatomy 0.000 title claims abstract description 49
- 239000008280 blood Substances 0.000 title claims abstract description 49
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 9
- 238000010241 blood sampling Methods 0.000 abstract description 4
- 210000004204 blood vessel Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 3
- 238000009534 blood test Methods 0.000 description 2
- 238000004868 gas analysis Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000742 Cotton Polymers 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
- 230000000694 effects Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 210000005259 peripheral blood Anatomy 0.000 description 1
- 239000011886 peripheral blood Substances 0.000 description 1
Images
Landscapes
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a blood collection and conversion device, which comprises a puncture needle and a converter, wherein the puncture needle comprises a puncture needle head, a needle seat and a rubber plug, the puncture needle head is arranged on the needle seat, the rubber plug is arranged in the needle seat, a first external thread is arranged on the needle seat, the rubber plug separates the interior of the needle seat to form an inner cavity and an outer cavity, the converter comprises a converter needle seat, a converter needle head, a conduit, a converter tail needle and a needle holder, the converter needle head is arranged on the converter needle seat, the conduit is arranged on the converter needle seat, the converter tail needle is connected with the converter needle seat through the conduit, the needle holder is sleeved on the converter tail needle, the utility model has simple structure, convenient fixation, convenient operation and safety and reliability, can reduce the puncture times of the patient by the blood gas needle during blood sampling, further reduce the pain of the patient, striv, medical resources are saved, the working intensity of medical staff is reduced, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a blood collection utensil, in particular to blood collection conversion equipment.
Background
Blood sampling is an indispensable examination item for patients in emergency treatment, medical care personnel carry out various medical examinations through the blood to the patient, thereby obtain the best treatment scheme to the patient, in the emergency treatment process, need to gather the blood that arterial blood carries out blood gas analysis and various examinations to the patient, need carry out twice puncture of arteriovenous to the patient under the condition of guaranteeing that the success rate of puncturing is a hundred percent, critical patient's peripheral blood circulation is poor needs carry out twice arteriopuncture, just can realize the collection of blood gas analysis and inspection blood, not only aggravate patient's misery, the treatment time has been wasted, medical instrument has also been wasted simultaneously, medical care personnel's work load has been increased, so we need one kind can satisfy and carry out once puncture to the patient, accomplish the blood sampling conversion equipment of twice blood.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem among the above-mentioned background art, and provide a blood collection conversion equipment.
A blood collection conversion device comprises a puncture needle and a converter, wherein the puncture needle comprises a puncture needle head, a needle seat and a rubber plug, the puncture needle head is arranged on the needle seat, the rubber plug is arranged in the needle seat, a first external thread is arranged on the needle seat, and the rubber plug isolates the interior of the needle seat to form an inner cavity and an outer cavity;
the converter comprises a converter needle seat, a converter needle head, a catheter, a converter tail needle and a needle holder, wherein the converter needle head is arranged on the converter needle seat;
a first internal thread is arranged on the converter needle base and matched with the first external thread;
a second external thread is arranged on the converter tail needle, a second internal thread is arranged on the needle holder, and the second external thread is matched with the second internal thread for use;
the puncture needle can be matched with a blood-gas needle for use, the blood-gas needle comprises a needle cylinder, a push rod and a blood-gas needle head, the blood-gas needle head is arranged at the front part of the needle cylinder, and the push rod is arranged inside the needle cylinder;
the front part of the needle cylinder is provided with a third internal thread which can be matched with the first external thread for use.
The utility model discloses a theory of operation and process:
when blood is taken from a patient needing to take arterial blood gas and various blood tests at the same time, firstly, a blood gas needle is taken, a push rod is pulled to generate a cavity in a needle cylinder, then a puncture needle is taken out, a third internal thread on the needle cylinder is screwed in along a first external thread on a needle seat, a blood gas needle head penetrates into a rubber plug through an external cavity under the action of the thread, the internal cavity is communicated with the needle cylinder through the blood gas needle head, the puncture needle head is punctured into the arterial blood vessel of the patient, the blood flows into the internal cavity of the needle seat through the puncture needle head and then enters the cavity of the needle cylinder along the blood gas needle head, after the collection of the arterial blood gas of the patient is completed, the needle cylinder is screwed off from the needle seat, the blood gas needle head is pulled out of the rubber plug, the blood gas needle head is blocked by the pores on the rubber plug under the elastic action of the rubber, the internal cavity, then the collection of blood is tested to the patient, take out the converter, screw in the first external screw thread on the first internal thread edge needle file on the converter needle file, the converter syringe needle pierces the rubber buffer through the exocoel under the effect of screw thread like this, finally pierce through the rubber buffer and get into in the inner chamber, the inner chamber passes through converter syringe needle and external intercommunication this moment, blood in the blood vessel passes through the inner chamber, the converter syringe needle, pipe and converter tail needle, finally flow into in the heparin tube of needle holder, after the completion is gathered to the inspection blood, extract the pjncture needle from patient arterial blood, press hemostatic with the cotton swab can, just accomplished the whole blood sampling process to the patient this moment.
The utility model has the advantages that:
the utility model discloses simple structure, fixed convenient, convenient operation, safe and reliable can reduce the number of times that the patient was punctured by the blood gas needle when taking a blood sample, and then reduces patient's misery, strives for treatment time for the patient, practices thrift medical resource, alleviates medical personnel's working strength, improves work efficiency.
Drawings
FIG. 1 is a perspective view of the puncture needle of the present invention in cooperation with a switch;
fig. 2 is a schematic perspective view of the puncture needle of the present invention;
fig. 3 is a schematic sectional view of the puncture needle of the present invention;
fig. 4 is a schematic perspective view of the converter of the present invention;
fig. 5 is a schematic perspective view of the converter of the present invention;
FIG. 6 is a perspective view of the needle holder of the present invention;
fig. 7 is a schematic sectional view of the puncture needle of the present invention in cooperation with a switch.
FIG. 8 is a perspective view of the blood-gas needle of the present invention;
fig. 9 is a schematic sectional view of the puncture needle of the present invention in cooperation with a blood-gas needle.
Detailed Description
Referring to fig. 1 to 9, a blood collection and conversion device comprises a puncture needle 1 and a converter 2, wherein the puncture needle 1 comprises a puncture needle head 11, a needle base 12 and a rubber plug 13, the puncture needle head 11 is arranged on the needle base 12, the rubber plug 13 is arranged in the needle base 12, a first external thread 121 is arranged on the needle base 12, the rubber plug 13 separates the interior of the needle base 12 to form an inner cavity 122 and an outer cavity 123, the inner cavity 122 is a closed cavity and is communicated with the outside only through the puncture needle head 11;
the converter 2 comprises a converter needle seat 21, a converter needle 22, a catheter 23, a converter tail needle 24 and a needle holder 25, wherein the converter needle 22 is arranged on the converter needle seat 21, the catheter 23 is arranged on the converter needle seat 21, the converter tail needle 24 is connected with the converter needle seat 21 through the catheter 23, and the needle holder 25 is sleeved on the converter tail needle 24;
a first internal thread 211 is arranged on the converter needle seat 21, and the first internal thread 211 is matched with the first external thread 121;
a second external thread 241 is arranged on the converter tail needle 24, a second internal thread 251 is arranged on the needle holder 25, and the second external thread 241 is matched with the second internal thread 251 for use;
the puncture needle 1 can also be used in cooperation with a blood-gas needle 4, the blood-gas needle 4 comprises a needle cylinder 41, a push rod 42 and a blood-gas needle head 43, the blood-gas needle head 43 is arranged at the front part of the needle cylinder 41, and the push rod 42 is arranged inside the needle cylinder 41;
the front part of the needle cylinder 41 is provided with a third internal thread 411 which can be matched with the first external thread 121 for use.
The utility model discloses a theory of operation and process:
referring to fig. 1 to 9, when a patient needing arterial blood gas collection and various blood tests is sampled, the blood gas needle 4 is taken out, the push rod 42 is pulled to generate a cavity in the needle cylinder 41, the puncture needle 1 is taken out, the third internal thread 411 on the needle cylinder 41 is screwed in along the first external thread 121 on the needle seat 12, the blood gas needle 43 pierces the rubber plug 13 through the external cavity 123 under the action of the thread, the internal cavity 122 is communicated with the needle cylinder 41 through the blood gas needle 43, the puncture needle 11 is punctured into an arterial blood vessel of the patient, the blood flows into the internal cavity 122 of the needle seat 12 through the puncture needle 11, then enters the cavity of the needle cylinder 41 along the blood gas needle 43, after the arterial blood gas collection of the patient is completed, the needle cylinder 41 is screwed off the needle seat 12, the blood gas needle 43 is pulled out of the rubber plug 13, the blood gas needle 43 blocks the pores on the rubber plug 13 under the elastic action of the rubber itself, the inner cavity 122 recovers the state isolated from the outside, the blood of the patient continues to be sealed in the inner cavity 122, then the collection of the blood for testing is carried out on the patient, the converter 2 is taken out, the first internal thread 211 on the converter needle seat 21 is screwed in along the first external thread 121 on the needle seat 12, the converter needle head 22 penetrates into the rubber plug 13 through the outer cavity 123 under the action of the thread, finally the rubber plug 13 is pierced to enter the inner cavity 122, the inner cavity 122 is communicated with the outside through the converter needle head 22 at the moment, the blood in the blood vessel passes through the inner cavity 122, the converter needle head 22, the catheter 23 and the converter tail needle 24 and finally flows into the blood collection tube 3 in the needle holder 25, after the collection of the test blood is completed, the puncture needle 1 is pulled out from the arterial blood vessel of the patient, the hemostasis can be pressed by.
Claims (5)
1. A blood collection and conversion device comprises a puncture needle (1) and a converter (2), and is characterized in that: the puncture needle (1) comprises a puncture needle head (11), a needle seat (12) and a rubber plug (13), the puncture needle head (11) is arranged on the needle seat (12), the rubber plug (13) is arranged in the needle seat (12), a first external thread (121) is arranged on the needle seat (12), and the rubber plug (13) isolates the interior of the needle seat (12) to form an inner cavity (122) and an outer cavity (123);
the converter (2) comprises a converter needle seat (21), a converter needle head (22), a guide pipe (23), a converter tail needle (24) and a needle holder (25), wherein the converter needle head (22) is arranged on the converter needle seat (21), the guide pipe (23) is arranged on the converter needle seat (21), the converter tail needle (24) is connected with the converter needle seat (21) through the guide pipe (23), and the needle holder (25) is sleeved on the converter tail needle (24).
2. A blood collection and transfer device according to claim 1, wherein: a first internal thread (211) is arranged on the converter needle seat (21), and the first internal thread (211) is matched with the first external thread (121) for use.
3. A blood collection and transfer device according to claim 1, wherein: the converter tail needle (24) is provided with a second external thread (241), the needle holder (25) is provided with a second internal thread (251), and the second external thread (241) is matched with the second internal thread (251) for use.
4. A blood collection and transfer device according to claim 1, wherein: the puncture needle (1) can also be used in cooperation with the blood-gas needle (4), the blood-gas needle (4) comprises a needle cylinder (41), a push rod (42) and a blood-gas needle head (43), the blood-gas needle head (43) is arranged at the front part of the needle cylinder (41), and the push rod (42) is arranged inside the needle cylinder (41).
5. A blood collection and transfer device according to claim 4, wherein: the front part of the needle cylinder (41) is provided with a third internal thread (411) which can be matched with the first external thread (121) for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921554866.1U CN210749237U (en) | 2019-09-19 | 2019-09-19 | Blood collection and conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921554866.1U CN210749237U (en) | 2019-09-19 | 2019-09-19 | Blood collection and conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210749237U true CN210749237U (en) | 2020-06-16 |
Family
ID=71054711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921554866.1U Active CN210749237U (en) | 2019-09-19 | 2019-09-19 | Blood collection and conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210749237U (en) |
-
2019
- 2019-09-19 CN CN201921554866.1U patent/CN210749237U/en active Active
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| GR01 | Patent grant |