CN221491018U - Integrated indwelling combined needle - Google Patents
Integrated indwelling combined needle Download PDFInfo
- Publication number
- CN221491018U CN221491018U CN202322325473.6U CN202322325473U CN221491018U CN 221491018 U CN221491018 U CN 221491018U CN 202322325473 U CN202322325473 U CN 202322325473U CN 221491018 U CN221491018 U CN 221491018U
- Authority
- CN
- China
- Prior art keywords
- needle
- hose
- fixedly connected
- indwelling
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000008280 blood Substances 0.000 claims abstract description 35
- 210000004369 blood Anatomy 0.000 claims abstract description 35
- 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 claims abstract description 12
- 229960002897 heparin Drugs 0.000 claims abstract description 12
- 229920000669 heparin Polymers 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims description 6
- 241001411320 Eriogonum inflatum Species 0.000 claims description 4
- 230000000151 anti-reflux effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims description 2
- 210000002445 nipple Anatomy 0.000 claims 4
- 238000000926 separation method Methods 0.000 claims 2
- 238000010241 blood sampling Methods 0.000 abstract description 11
- 210000004204 blood vessel Anatomy 0.000 abstract description 8
- 208000002193 Pain Diseases 0.000 abstract description 4
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 230000036407 pain Effects 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 2
- 229940079593 drug Drugs 0.000 abstract 1
- 238000001802 infusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000474 nursing effect Effects 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 4
- 206010073310 Occupational exposures Diseases 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 231100000675 occupational exposure Toxicity 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 208000028399 Critical Illness Diseases 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 206010018910 Haemolysis Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 239000006101 laboratory sample Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an integrated indwelling combined needle which comprises a needle head, wherein a first hose is fixedly connected to the side edge of the needle head, a Y-shaped connector is integrally formed on the first hose, a needle holding handle is movably arranged in the needle head, a first single-hand clamp is movably sleeved on the outer surface of one end of the Y-shaped connector of the first hose, a backflow-preventing connector is fixedly communicated with the other end of the Y-shaped connector of the first hose, a heparin cap end is fixedly connected to the side edge of the backflow-preventing connector, a second single-hand clamp is movably sleeved on the outer surface of the other end of the first hose, an external thread screw connector is fixedly communicated with the other end of the first hose, and a disposable blood taking needle is detachably arranged on the side edge of the external thread screw connector. According to the scheme, the transfusion and blood sampling one-stop type transfusion and blood sampling device can solve the problems of protecting blood vessels of a patient, relieving pains of the patient, avoiding infection caused by repeated puncture of heparin caps by blood sampling needles during venous blood sampling, and being applicable to multi-channel venous transfusion for critical patients, facilitating rescue, medication and blood sampling and guaranteeing safety of the patient.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to an integrated indwelling combined needle.
Background
The venous indwelling needle is also called venous trocar, the core component parts comprise a soft catheter/sleeve which can be indwelled in a blood vessel and a stainless steel puncture guiding needle core, when the venous indwelling needle is used, the catheter and the needle core are punctured into the blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is indwelled in the blood vessel, so that infusion treatment is carried out.
The traditional indwelling needle has a plurality of problems in the use process, namely 1, repeated venipuncture (venous blood collection and replacement of the indwelling needle) damages blood vessels and surrounding vascular tissues, the pain of patients is aggravated, and the satisfaction degree of inpatients is reduced; 2. when vein blood sampling is carried out, a syringe or blood sampling is needed to repeatedly puncture a heparin cap, so that the risk of infection and thrombosis of a patient is increased; 3. infusion and blood collection cannot be performed simultaneously when rescuing a patient; 4. when a nursing staff uses a syringe or a blood taking needle to take blood by vein, the workload is increased and the occupational exposure risk of the nursing staff is greatly increased.
Disclosure of utility model
In order to overcome the defects in the prior art, the embodiment of the utility model provides an integrated indwelling combined needle so as to solve the problems that the existing 1, repeated venipuncture (venous blood collection and indwelling needle replacement) damages blood vessels and surrounding vascular tissues, aggravates the pain of patients and reduces the satisfaction of inpatients; 2. when vein blood sampling is carried out, a syringe or blood sampling is needed to repeatedly puncture the heparin cap, so that the risk of infection of a patient is increased; 3. infusion and blood collection cannot be performed simultaneously when rescuing a patient; 4. when nursing staff uses a syringe or a blood taking needle to take blood by veins, the workload is increased and the occupational exposure risk of the nursing staff is greatly increased.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an integration is kept somewhere and is made up needle, includes the syringe needle, the side fixedly connected with first hose of syringe needle, first hose is integrated into one piece has the Y type interface, the inside movable mounting of syringe needle has the needle handle of holding, the surface activity of Y type interface one end of first hose has cup jointed first singlehanded clamp, the other one end of Y type interface of first hose fixedly connected with prevents against current and connects, the side fixedly connected with heparin cap end of preventing against current connects, the surface activity of the other one end of first hose has cup jointed second singlehanded clamp, the other one end of first hose fixedly connected with external screw thread screwed joint, the side demountable installation of external screw thread screwed joint has disposable blood taking needle.
The needle comprises a needle seat, an outer needle is fixedly connected to the bottom of the needle seat, one end of the needle seat is in scarf joint with a needle holding handle, an isolating plug is fixedly arranged at the bottom of the needle holding handle, an inner needle is fixedly connected to the bottom of the isolating plug and movably sleeved in the outer needle, a needle sleeve is sleeved at one end of the outer needle of the needle seat, a hose connecting seat is arranged on the side edge of the needle seat, a one-way valve is fixedly connected to the inner portion of the hose connecting seat, and one end of the one-way valve is fixedly connected with a first hose.
The disposable blood taking needle comprises a second hose, one end of the second hose is fixedly connected with an internal thread screw joint, and the other end of the second hose is fixedly connected with a bottle stopper puncture needle.
The second hose is fixedly communicated with one end of the first hose through threaded connection of the internal thread screw joint and the external thread screw joint.
Wherein, the external surface screw thread of external screw thread screwed joint is connected with white end cap.
The utility model has the technical effects and advantages that:
In the scheme, 1, the transfusion and blood sampling are solved in one step, the blood vessel of a patient is protected, the pain of the patient is relieved, the complaint of the patient is reduced, and the satisfaction degree of the patient is improved;
2. The spiral connector can avoid infection caused by repeated puncture of the heparin cap by the blood taking needle during venous blood taking;
3. aiming at patients with critical illness, the medical emergency treatment and blood sampling are convenient to carry out at any time, and the safety of the patients is ensured;
4. The screw joint is used for replacing the original needle, so that the use is more convenient, the workload of nurses is reduced, and the occupational exposure risk of nursing staff is reduced to a great extent.
5. Aiming at the patient with critical illness, the utility model can take blood at any time when rescuing and clinically taking medicine, and simultaneously, the utility model can also carry out multi-channel intravenous transfusion to ensure the safety of the patient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure at A of the present utility model;
FIG. 3 is a schematic view showing the structure of the lancet according to the present utility model;
Fig. 4 is a schematic view of the structure of the screw joint of the present utility model.
The reference numerals are: 1. a needle; 2. a Y-type interface; 3. a needle holding handle; 4. a first hose; 5. a first single-hand clamp; 6. an anti-reflux fitting; 7. a heparin cap end; 8. a second single-hand clamp; 9. an external thread screw joint; 10. a disposable blood taking needle; 11. a needle stand; 12. an outer needle; 13. an inner needle; 14. a needle sleeve; 104. a white end cap; 101. a second hose; 102. an internally threaded screw joint; 103. a bottle stopper puncture needle; 15. a spacer plug; 16. a hose connecting seat; 17. a one-way valve.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to fig. 4, the embodiment of the utility model provides an integrated indwelling combined needle, which comprises a needle head 1, wherein a first hose 4 is fixedly connected to the side edge of the needle head 1, a Y-shaped connector 2 is integrally formed on the first hose 4, a needle holding handle 3 is movably mounted inside the needle head 1, a first single hand clamp 5 is movably sleeved on the outer surface of one end of the Y-shaped connector 2 of the first hose 4, an anti-backflow connector 6 is fixedly connected to the other end of the Y-shaped connector 2 of the first hose 4, a heparin cap end 7 is fixedly connected to the side edge of the anti-backflow connector 6, a second single hand clamp 8 is movably sleeved on the outer surface of the other end of the first hose 4, an external thread screw connector 9 is fixedly connected to the other end of the first hose 4, a disposable blood taking needle 10 is detachably mounted on the side edge of the external thread screw connector 9, the external thread screw connector 9 is connected with the disposable blood taking needle 10, the disposable blood taking needle 10 is discarded after the blood taking, the disposable blood taking needle 10 is washed by 5 ml of saline, the first hose 4 is closed by the second single hand clamp 8 after the flushing, and an indwelling intravenous transfusion needle can be restored.
Wherein, syringe needle 1 includes needle file 11, the bottom fixedly connected with outer needle 12 of needle file 11, the one end of needle file 11 is installed with holding needle handle 3 scarf joint, the bottom fixed mounting of holding needle handle 3 has isolation plug 15, the bottom fixedly connected with inner needle 13 of isolation plug 15, inner needle 13 activity cup joints in the inside of outer needle 12, the outer needle 12 one end cover of needle file 11 is equipped with needle cover 14, the side of needle file 11 is provided with hose connecting seat 16, hose connecting seat 16's inside fixedly connected with check valve 17, the one end and the first hose 4 fixed connection of check valve 17.
The disposable blood taking needle 10 comprises a second hose 101, one end of the second hose 101 is fixedly connected with an internal thread screw joint 102, and the other end of the second hose 101 is fixedly connected with a bottle stopper puncture needle 103.
Wherein, the internal screw thread screwed joint 102 screw thread installs in the side of external screw thread screwed joint 9, and the second hose 101 is fixed intercommunication in the one end of first hose 4 through the threaded connection of internal screw thread screwed joint 102 and external screw thread screwed joint 9.
Wherein, the external surface threaded connection of external screw thread screwed joint 9 has white end cap 104, through setting up white end cap 104, not only seals first hose 4, simultaneously, utilizes white end cap 104, in the infusion process, if prevent against the current under the condition that joint 6 and heparin cap end 7 passageway can not satisfy, external screw thread screwed joint 9 still can regard as the infusion passageway at any time to infuse the human body.
The working process of the utility model is as follows:
After the needle head 1 is penetrated into a human body, when blood needs to be collected, the white end cap 104 is removed from the side edge of the external screw thread screw joint 9, the internal screw thread screw joint 102 is screwed on the side edge of the external screw thread screw joint 9, at the moment, the disposable blood collection needle is used as a blood collection end for blood collection, the first hose 4 is communicated with the second hose 101 through opening the second single hand clamp 8, the disposable blood collection needle 10 is removed from the side edge of the external screw thread screw joint 9 after blood collection is finished, after the first hose 4 is fully flushed by the prefilled catheter flusher, the first hose 4 is closed by the second single hand clamp 8, the white end cap 104 is screwed on the side edge of the external screw thread screw joint 9 to be restored into a venous indwelling needle capable of being used for transfusion, at the moment, the backflow prevention joint 6 and the heparin cap end 7 can be used as transfusion ends, but in the transfusion process, if the backflow prevention joint 6 and the heparin cap end 7 can not be met (for instance, under the condition that three paths of transfusion are needed), the external screw joint 9 can be used as transfusion paths for transfusion to the human body;
In addition, blood collection through the peripheral venous indwelling needle does not increase the hemolysis rate of the blood sample; after appropriate methods have been taken. The transfusion is recommended to be suspended for 2-3 min, 2-5 ml of blood is discarded, the blood sample meeting the requirements of laboratory samples and meeting common test projects such as blood routine, biochemical routine and the like can be collected through the peripheral venous indwelling needle, and the indwelling needle can be flexibly selected for peripheral venous blood collection according to actual conditions in clinic.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: 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 principles of the utility model are intended to be included within the scope of the utility model.
Claims (5)
1. The utility model provides an integration is kept somewhere and is made up needle, includes syringe needle (1), the side fixedly connected with first hose (4) of syringe needle (1), first hose (4) an organic whole is formed with Y type interface (2), the inside movable mounting of syringe needle (1) has needle holder handle (3), a serial communication port, the surface activity of Y type interface (2) one end of first hose (4) has cup jointed first singlehanded clamp (5), the fixed intercommunication of other one end of Y type interface (2) of first hose (4) has anti-reflux connector (6), the side fixedly connected with heparin cap end (7) of anti-reflux connector (6), the surface activity of the other one end of first hose (4) has cup jointed second singlehanded clamp (8), the other one end of first hose (4) is fixed to be linked together and is had external screw thread screwed joint (9), the side demountable installation of external screw thread screwed joint (9) has disposable blood taking needle (10).
2. The integrated indwelling combined needle according to claim 1, wherein the needle (1) comprises a needle seat (11), an outer needle (12) is fixedly connected to the bottom of the needle seat (11), one end of the needle seat (11) is in embedded connection with a needle holding handle (3), a separation plug (15) is fixedly arranged at the bottom of the needle holding handle (3), an inner needle (13) is fixedly connected to the bottom of the separation plug (15), the inner needle (13) is movably sleeved in the outer needle (12), a needle sleeve (14) is sleeved at one end of the outer needle (12) of the needle seat (11), a hose connecting seat (16) is arranged on the side edge of the needle seat (11), a one-way valve (17) is fixedly connected to the inside of the hose connecting seat (16), and one end of the one-way valve (17) is fixedly connected with a first hose (4).
3. The integrated indwelling combination needle according to claim 1, wherein the disposable blood collection needle (10) comprises a second hose (101), one end of the second hose (101) is fixedly connected with an internal thread screw joint (102), and the other end of the second hose (101) is fixedly connected with a bottle stopper puncture needle (103).
4. A combination needle according to claim 3, characterized in that the female screw nipple (102) is screwed on the side of the male screw nipple (9), and the second hose (101) is fixedly connected to one end of the first hose (4) by the threaded connection of the female screw nipple (102) and the male screw nipple (9).
5. The integrated indwelling combination needle according to claim 4, wherein the external surface of the externally threaded screw fitting (9) is screwed with a white end cap (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325473.6U CN221491018U (en) | 2023-08-29 | 2023-08-29 | Integrated indwelling combined needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325473.6U CN221491018U (en) | 2023-08-29 | 2023-08-29 | Integrated indwelling combined needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221491018U true CN221491018U (en) | 2024-08-09 |
Family
ID=92134204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322325473.6U Active CN221491018U (en) | 2023-08-29 | 2023-08-29 | Integrated indwelling combined needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221491018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120754360A (en) * | 2025-07-25 | 2025-10-10 | 中国人民解放军总医院第一医学中心 | Double-cavity indwelling needle for drug-loaded myocardial perfusion examination |
-
2023
- 2023-08-29 CN CN202322325473.6U patent/CN221491018U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120754360A (en) * | 2025-07-25 | 2025-10-10 | 中国人民解放军总医院第一医学中心 | Double-cavity indwelling needle for drug-loaded myocardial perfusion examination |
| CN120754360B (en) * | 2025-07-25 | 2026-01-23 | 中国人民解放军总医院第一医学中心 | A double-lumen indwelling needle for drug-induced myocardial perfusion testing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |