CN211723187U - Artery hemostix for children - Google Patents
Artery hemostix for children Download PDFInfo
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- CN211723187U CN211723187U CN201922353966.4U CN201922353966U CN211723187U CN 211723187 U CN211723187 U CN 211723187U CN 201922353966 U CN201922353966 U CN 201922353966U CN 211723187 U CN211723187 U CN 211723187U
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- needle cylinder
- screw joint
- needle
- main hose
- children
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Abstract
The utility model discloses a children artery hemostix, which comprises a needle cylinder and a main hose, wherein a piston and a push rod with an exhaust function are arranged in the needle cylinder, a screw joint is arranged on the needle cylinder, two ends of the main hose are respectively provided with a connector and a syringe needle with the size of 24G, the connector is in threaded connection with the screw joint, the bottom of the screw joint is provided with a spring, and the spring is sleeved outside the screw joint; a semi-sealed fixing ring is arranged on the needle cylinder, and a rubber plug is arranged in the fixing ring. The scheme is convenient for medical staff to select the puncture angle, and the puncture success rate is improved; the medical staff can adjust the puncture angle conveniently, and the puncture success rate is improved; automatically reserving a needed sample; the clinical operation is convenient, the generation of bubbles in the specimen is reduced, and the quality of the specimen is ensured; the damage to blood vessels is reduced, and the occurrence of subcutaneous hematoma is reduced; timely and convenient isolation from air, sample quality guarantee and accuracy of blood gas result improvement.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to children's artery hemostix.
Background
The artery blood sampling technology is one of the commonly used nursing operations in pediatric clinical work, and whether the body has acid-base balance imbalance and the oxygen deficiency degree is judged through blood gas analysis, particularly whether the body has the oxygen deficiency or not and the conditions of carbon dioxide storage and the like are judged through a respiratory system. Clinically, radial artery, dorsum of foot artery of brachial artery, femoral artery and scalp artery are usually selected for collecting arterial blood. The radial artery is the first choice for arterial blood sampling in clinic.
At present, most of clinical arterial blood collection devices are integrated by a syringe and a blood collection needle, and are mainly of 226 and 256 specifications. In clinical practice, the following problems exist: firstly, the needle cylinder is directly connected with the blood taking needle, and the matching degree is low when the child punctures, so that the puncture angle is inconvenient to adjust when the medical staff punctures; secondly, the 22G-sized arterial blood collector needle is thick, so that the injury to blood vessels is increased for children, particularly infants, and subcutaneous hematoma is easily formed; thirdly, the needle tube of the 25G-specification arterial hemostix is slender, and the long needle tube piston needs to be pulled back to collect sufficient blood samples during operation, so that the operation is inconvenient, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a convenient children artery hemostix of taking a blood sample.
In order to achieve the above object, the utility model adopts the following technical scheme:
the artery hemostix for the children comprises a needle cylinder and a main hose, wherein a piston and a push rod capable of exhausting air are arranged in the needle cylinder, a screw joint is arranged on the needle cylinder, a connector and a needle head with the size of 24G are respectively arranged at two ends of the main hose, the connector is in threaded connection with the screw joint, a spring is arranged at the bottom of the screw joint, and the spring is sleeved outside the screw joint; a semi-sealed fixing ring is arranged on the needle cylinder, and a rubber plug is arranged in the fixing ring.
Further, be provided with the fixed band on the main hose, the fixed band includes two about bands, two about band's both ends fixed connection, and main hose slidable arranges in between two about bands, and the both ends of two about bands are provided with the sticky tape.
Furthermore, a protective cover is arranged on the needle head, one end of the protective cover is opened, and the other end of the protective cover is sealed.
Furthermore, the needle cylinder is provided with scale marks, and the maximum specification of the needle cylinder is 2 ml.
Further, the inner wall of the syringe is provided with a calcium balance heparin lithium coating.
Further, the rubber stopper had dimensions of 0.5cm × 0.5cm × 0.5 cm.
The utility model has the advantages that: before blood collection: the medical staff can conveniently select the puncture angle, and the puncture success rate is improved;
in blood collection: the medical staff can adjust the puncture angle conveniently, and the puncture success rate is improved; automatically reserving a needed sample; the clinical operation is convenient, the generation of bubbles in the specimen is reduced, and the quality of the specimen is ensured;
after blood collection: the damage to blood vessels is reduced, and the occurrence of subcutaneous hematoma is reduced; timely and convenient isolation from air, sample quality guarantee and accuracy of blood gas result improvement.
During the use, take out main hose and be connected with the cylinder through the connector, then draw blood, main hose and cylinder threaded connection, convenient operation connects firmly, avoids because child's rocking and drops. After the main hose is connected, the spring on the screw joint gives certain extrusion force to the connector, so that stable connection is ensured.
Can pull the piston to the anticipated position earlier during the blood sampling, because the reason of artery pressure, blood flows into the cylinder, and the required sample is got from the piston discharge that has exhaust function to the air follow, makes things convenient for clinical operation, reduces the production of bubble in the sample, guarantees sample quality.
The needle head of 24G is suitable for children at all age stages, so that the injury to blood vessels can be reduced, and the incidence rate of subcutaneous hematoma is reduced; the main hose is used as transition connection between the needle head and the needle cylinder, the needle cylinder can not bring reverse resistance to the needle head, the success rate of puncture is improved, and the needle head can be conveniently and smoothly inserted into the rubber plug after the puncture is finished; the main hose and the needle cylinder are internally filled with calcium balanced heparin lithium by adopting a solid spraying technology, so that the problem that blood is solidified in the hose due to unsmooth puncture to influence specimen collection is avoided.
The specification of the syringe is 2m1, the sample amount required by blood gas analysis and detection is about 0.5-1ml, and the syringe with the specification of 2ml can meet the clinical use; the thickness and the length of the empty needle cylinder with the specification of 2.2ml are more suitable for clinical operation, and the clinical work efficiency is improved.
The rubber buffer is fixed in the retaining ring, conveniently dismantles down, in time loses in the edge tool box to the retaining ring can avoid the needle point to pierce through the rubber buffer, when separating rubber buffer and cylinder, causes the acupuncture to hinder. The fixing strap is used for fixing the main hose, and after the needle head is pricked into a blood vessel, the main hose is fixed on the arm or the body of a child, so that shaking and pulling are avoided; the protective cover of the needle head is used for protecting the needle head, so that the transportation is convenient; the scale marks are convenient for observing the amount of blood taken.
Drawings
Fig. 1 is a schematic diagram of a children's arterial blood collector.
Fig. 2 is a schematic view of a securing strap.
The device comprises a needle head 1, a needle head 2, a main hose 3, a regulator 4, a restraint strap 5, a fixing strap 6, a fixing ring 7, a connector 8, a screw joint 9, a spring 10, a needle cylinder 11, a piston 12, a push rod 13, an adhesive tape 14 and a rubber plug.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, the arterial blood collector for children comprises a syringe 10 and a main hose 2, wherein the length of the main hose 2 is 10cm, a piston 11 is arranged in the syringe 10, a push rod 12 is arranged on the piston 11, and the piston 11 and the push rod 12 in the syringe 10 adopt a piston and a push rod which are commonly used in the prior art and can exhaust air, so that an air exhaust function is realized; a screw joint 8 is arranged on the needle cylinder 10, a connector 7 and a needle head 1 with the size of 24G are respectively arranged at two ends of the main hose 2, the connector 7 is in threaded connection with the screw joint 8, a spring 9 is arranged at the bottom of the screw joint 8, and the spring 9 is sleeved outside the screw joint 8; a semi-sealed fixing ring 6 is arranged on the needle cylinder 10, and a rubber plug 14 is arranged in the fixing ring 6.
The advantage of this scheme lies in, before the blood sampling: the medical staff can conveniently select the puncture angle, and the puncture success rate is improved;
in blood collection: the medical staff can adjust the puncture angle conveniently, and the puncture success rate is improved; automatically reserving a needed sample; the clinical operation is convenient, the generation of bubbles in the specimen is reduced, and the quality of the specimen is ensured;
after blood collection: the damage to blood vessels is reduced, and the occurrence of subcutaneous hematoma is reduced; timely and convenient isolation from air, sample quality guarantee and accuracy of blood gas result improvement.
During the use, take out main hose 2 and be connected with cylinder 10 through connector 7, then draw blood, main hose 2 and cylinder 10 threaded connection, convenient operation connects firmly, avoids because child's rocking and drops. After the main hose 2 is connected, the spring 9 on the screw joint 8 gives a certain extrusion force to the connector 7, so that stable connection is ensured.
When blood is sampled, the piston 11 can be pulled to an expected position, blood flows into the needle cylinder 10 due to arterial pressure, air is discharged from the piston 11 with the exhaust function, a required sample is automatically reserved, clinical operation is facilitated, generation of bubbles in the sample is reduced, and sample quality is guaranteed.
The 24G needle 1 is suitable for children at all age stages, so that the injury to blood vessels can be reduced, and the incidence rate of subcutaneous hematoma is reduced; the main hose 2 is used as the transition connection between the needle head 1 and the needle cylinder 10, the needle cylinder 10 can not bring reverse resistance to the needle head 1, the puncture success rate is improved, and the needle head can be smoothly inserted into the rubber plug 14 after puncture is finished conveniently.
As shown in fig. 2, the main hose 2 is provided with a fixing band 5, the fixing band 5 includes two constraining bands 4, two ends of the two constraining bands 4 are fixedly connected, the main hose 2 is slidably disposed between the two constraining bands 4, and two ends of the two constraining bands 4 are provided with adhesive tapes 13. The rubber stopper 14 is fixed in the fixing ring 6, is convenient to detach and is timely lost in the sharps box, and the fixing ring 6 can prevent the needle tip from penetrating the rubber stopper 14, so that the needle stick injury is caused when the rubber stopper 14 is separated from the needle cylinder 10. The fixing belt 5 is used for fixing the main hose 2, and after the needle head 1 is pricked into a blood vessel, the main hose 2 is fixed on the arm or the body of a child, so that shaking and pulling are avoided; the protective cover of the needle head 1 is used for protecting the needle head 1, and is convenient to transport.
The needle head 1 is provided with a protective cover, one end of the protective cover is opened, and the other end of the protective cover is sealed. The needle cylinder 10 is provided with scale marks, and the maximum specification of the needle cylinder 10 is 2 ml. The specification of the syringe 10 is 2m1, the sample amount required by blood gas analysis and detection is about 0.5-1ml, and the syringe 10 with the specification of 2ml can meet the clinical use; the thickness and the length of the empty needle cylinder with the specification of 2.2ml are more suitable for clinical operation, and the clinical work efficiency is improved; the scale marks are convenient for observing the amount of blood taken.
The inner walls of the cylinder 10 and the main tube 2 are coated with calcium-balanced heparin lithium. The main hose 2 and the needle cylinder 10 are filled with calcium balanced heparin lithium by adopting a solid spraying technology, so that the blood is prevented from coagulating in the hose due to unsmooth puncture, and the collection of a specimen is prevented from being influenced. The rubber stopper 14 has dimensions of 0.5cm × 0.5cm × 0.5 cm.
Claims (6)
1. The artery hemostix for the children is characterized by comprising a needle cylinder (10) and a main hose (2), wherein an exhaust piston (11) and a push rod (12) are arranged in the needle cylinder (10), a screw joint (8) is arranged on the needle cylinder (10), two ends of the main hose (2) are respectively provided with a connector (7) and a needle head (1) with the size of 24G, the connector (7) is in threaded connection with the screw joint (8), the bottom of the screw joint (8) is provided with a spring (9), and the spring (9) is sleeved outside the screw joint (8); the needle cylinder (10) is provided with a semi-sealed fixing ring (6), and a rubber plug (14) is arranged in the fixing ring (6).
2. The arterial hemostix for children according to claim 1, wherein the main hose (2) is provided with a fixing band (5), the fixing band (5) comprises two restriction bands (4), two ends of the two restriction bands (4) are fixedly connected, the main hose (2) is slidably arranged between the two restriction bands (4), and two ends of the two restriction bands (4) are provided with adhesive tapes (13).
3. The device for taking a sample of blood from an artery of a child as claimed in claim 1, wherein the needle (1) is provided with a protective cover, one end of the protective cover is open, and the other end of the protective cover is sealed.
4. The device for collecting blood from artery of children as claimed in claim 1, wherein the needle cylinder (10) is provided with scale marks, and the maximum size of the needle cylinder (10) is 2 ml.
5. The device for collecting blood from artery of children as claimed in claim 1, wherein the inner wall of said syringe (10) and main tube (2) has a coating of calcium-balanced heparin lithium.
6. The arterio-hemostix of claim 1, wherein the rubber stopper (14) has dimensions of 0.5cm x 0.5 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353966.4U CN211723187U (en) | 2019-12-24 | 2019-12-24 | Artery hemostix for children |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922353966.4U CN211723187U (en) | 2019-12-24 | 2019-12-24 | Artery hemostix for children |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211723187U true CN211723187U (en) | 2020-10-23 |
Family
ID=72870678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922353966.4U Expired - Fee Related CN211723187U (en) | 2019-12-24 | 2019-12-24 | Artery hemostix for children |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211723187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027950A (en) * | 2021-12-10 | 2022-02-11 | 复旦大学附属华山医院 | Intracardiac branch of academic or vocational study puncture subassembly and intracardiac branch of academic or vocational study piercing depth |
-
2019
- 2019-12-24 CN CN201922353966.4U patent/CN211723187U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114027950A (en) * | 2021-12-10 | 2022-02-11 | 复旦大学附属华山医院 | Intracardiac branch of academic or vocational study puncture subassembly and intracardiac branch of academic or vocational study piercing depth |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 Termination date: 20211224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |