CN215778508U - Safe indwelling needle - Google Patents

Safe indwelling needle Download PDF

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Publication number
CN215778508U
CN215778508U CN202122306428.7U CN202122306428U CN215778508U CN 215778508 U CN215778508 U CN 215778508U CN 202122306428 U CN202122306428 U CN 202122306428U CN 215778508 U CN215778508 U CN 215778508U
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CN
China
Prior art keywords
blood sampling
way valve
needle
blood
infusion
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.)
Expired - Fee Related
Application number
CN202122306428.7U
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Chinese (zh)
Inventor
赵林寰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Cancer Hospital
Original Assignee
Zhejiang Cancer Hospital
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Cancer Hospital filed Critical Zhejiang Cancer Hospital
Priority to CN202122306428.7U priority Critical patent/CN215778508U/en
Application granted granted Critical
Publication of CN215778508U publication Critical patent/CN215778508U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a safe indwelling needle, which comprises: an indwelling catheter, a puncture needle, a connecting pipe, a three-way valve and an infusion joint; the puncture needle is arranged in the indwelling catheter, one end of the connecting pipe is connected with the indwelling catheter, the other end of the connecting pipe is connected with a first connecting port of a three-way valve, a second connecting port of the three-way valve is connected with an infusion joint, and a third connecting port of the three-way valve is connected with a blood sampling assembly; according to the utility model, the three-way valve is arranged on the connecting pipe, the three-way valve can form an infusion passage and a blood sampling passage as required, infusion or blood sampling can be carried out on a patient as required, the original puncture indwelling infusion function of the indwelling needle is expanded into a component integrating indwelling, puncture infusion and blood sampling, the puncture times of the patient are greatly reduced, and the workload of medical staff is reduced, so that the use is convenient.

Description

Safe indwelling needle
Technical Field
The utility model relates to the technical field of medical treatment, in particular to a safe indwelling needle.
Background
At present, patients need blood collection and peripheral vein fluid infusion treatment clinically. The indwelling needle becomes a medical instrument commonly used in hospital nursing work, and has the advantages of reducing puncture times for patients, reducing puncture pain, reducing workload of medical staff and the like. However, the existing indwelling needle product has a single function, and cannot give consideration to the functions of transfusion, vacuum blood collection and needle stick injury prevention at the same time, and particularly when a patient is rescued, a better vein is difficult to find, blood collection is required, and a safety needle is also required to be reserved for supplementing liquid, so that the difficulty of rescue of a nurse is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems in the prior art, the present invention discloses a safety type indwelling needle comprising: an indwelling catheter, a puncture needle, a connecting pipe, a three-way valve and an infusion joint;
the puncture needle is arranged in the indwelling catheter, one end of the connecting pipe is connected with the indwelling catheter, the other end of the connecting pipe is connected with a first connecting port of a three-way valve, a second connecting port of the three-way valve is connected with an infusion joint, and a third connecting port of the three-way valve is connected with a blood sampling assembly;
the blood collection assembly includes: the blood sampling device comprises a sealing joint, a blood sampling outer sleeve, a blood sampling inner sleeve and a blood sampling needle;
the sealing joint with the three-way valve third connector is connected, the blood sampling outer tube with the sealing joint is connected, the interior sleeve pipe detachable of blood sampling set up in the blood sampling outer tube, the blood sampling set up in on the blood sampling outer tube.
Preferably, the blood sampling outer sleeve is in spiral connection with the blood sampling inner sleeve.
Preferably, a sealing plug is arranged on the blood sampling inner sleeve, and a connecting rope is arranged between the sealing plug and the blood sampling outer sleeve.
Preferably, a single-hand clamp is arranged on the connecting pipe.
Preferably, the top of the blood sampling outer sleeve extends outwards to form an extending edge.
The utility model provides a safe indwelling needle which has the following beneficial effects: this device is through installing the three-way valve on the connecting pipe, and the three-way valve can form infusion route and blood sampling route as required, can infuse or take a blood sample to the patient as required, will keep somewhere the original puncture of needle and keep somewhere the infusion function and enlarge for the collection keeps somewhere, puncture infusion and blood sampling part as an organic whole, and the patient's puncture number of times that has significantly reduced has alleviateed medical personnel work load convenient to use.
Drawings
FIG. 1 is a front cross-sectional structural view of the safety type indwelling needle of the present invention;
fig. 2 is a partially enlarged structural schematic view of fig. 1 of the safety type indwelling needle of the present invention.
The attached drawings are as follows:
1. an indwelling catheter; 2. puncturing needle; 3. a connecting pipe; 4. a three-way valve; 5. an infusion connector; 6. sealing the joint; 7. a blood collection outer sleeve; 8. a blood sampling inner sleeve; 9. a blood collection needle; 10. a sealing plug; 11. connecting ropes; 12. a single-hand clip is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The specific embodiment of the present invention provides a safety indwelling needle, including: an indwelling catheter 1, a puncture needle 2, a connecting pipe 3, a three-way valve 4 and an infusion joint 5; the puncture needle 2 is arranged in the indwelling catheter 1, one end of the connecting pipe 3 is connected with the indwelling catheter 1, the other end of the connecting pipe is connected with a first connector of a three-way valve 4, a second connector of the three-way valve 4 is connected with an infusion connector 5, and a third connector of the three-way valve 4 is connected with a blood sampling assembly; the blood collection assembly includes: a sealing joint 6, an outer blood sampling sleeve 7, an inner blood sampling sleeve 8 and a blood sampling needle 9; the sealing joint 6 is connected with a third connecting port of the three-way valve 4, the blood sampling outer sleeve 7 is connected with the sealing joint 6, the blood sampling inner sleeve 8 is detachably arranged in the blood sampling outer sleeve 7, and the blood sampling needle 9 is arranged on the blood sampling outer sleeve 7; the blood sampling outer sleeve 7 is spirally connected with the blood sampling inner sleeve 8; a sealing plug 10 is arranged on the blood sampling inner sleeve 8, and a connecting rope 11 is arranged between the sealing plug 10 and the blood sampling outer sleeve 7; the connecting pipe 3 is provided with a single-hand clamp 12; the top of the blood sampling outer sleeve 7 extends outwards to form an extending edge.
Examples
As shown in the attached drawings 1-2, the safe indwelling needle provided by the embodiment of the present application has a puncture needle 2 mounted inside an indwelling catheter 1, a connection tube 3 having one end connected to the indwelling catheter 1 and the other end connected to a first connection port of a three-way valve 4, a second connection port of the three-way valve 4 connected to an infusion connector 5, and a third connection port connected to a blood collection component, so that an infusion path or a blood collection path can be selected by rotating the three-way valve 4 according to the use, the blood collection component includes a sealing connector 6, a blood collection outer tube 7, a blood collection inner tube 8 and a blood collection needle 9, the sealing connector 6 is mounted at the bottom of the blood collection outer tube 7 and connected to the third connection port of the three-way valve 4, the blood collection needle 9 is mounted on the blood collection inner tube 8, the blood collection inner tube 8 is spirally mounted in the blood collection outer tube 7, the blood collection inner tube 8 can be disassembled, and the blood collection needle 9 can be conveniently replaced, install sealing plug 10 at interior sleeve pipe 8 top in the blood sampling, open during the use, seal when not using, reduce blood taking needle 9 and pollute the probability, when needing to take a blood sample, it forms the blood sampling route to rotate three-way valve 4, the infusion route is closed, then open sealing plug 10, insert the vacuum blood sampling bottle and can take a blood sample on blood taking needle 9, the back of finishing the blood sampling, rotatable three-way valve 4 infuses the patient, the blood sampling route is closed, then rotate interior sleeve pipe 8 in the blood sampling, change it and blood taking needle 9, after finishing the change, use sealing plug 10 to seal it, this device will be stayed original puncture of needle and keep somewhere the infusion function and expand and keep somewhere for the collection, puncture infusion and blood sampling part as an organic whole, the patient's puncture number of times has significantly reduced, medical personnel work load convenient to use has been alleviateed.
Preferably, the outer blood collection tube 7 and the inner blood collection tube 8 are spirally connected.
Preferably, a sealing plug 10 is disposed on the inner blood collection sleeve 8, and a connection cord 11 is disposed between the sealing plug 10 and the outer blood collection sleeve 7.
Preferably, the connecting tube 3 is provided with a one-hand clamp 12.
Preferably, the top of the blood collecting outer sleeve 7 extends outwards to form an extending edge.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A safety type indwelling needle, comprising: an indwelling catheter (1), a puncture needle (2), a connecting pipe (3), a three-way valve (4) and an infusion joint (5);
the puncture needle (2) is arranged in the indwelling catheter (1), one end of the connecting pipe (3) is connected with the indwelling catheter (1), the other end of the connecting pipe is connected with a first connector of a three-way valve (4), a second connector of the three-way valve (4) is connected with an infusion connector (5), and a third connector of the three-way valve (4) is connected with a blood sampling assembly;
the blood collection assembly includes: a sealing joint (6), a blood sampling outer sleeve (7), a blood sampling inner sleeve (8) and a blood sampling needle (9);
sealing joint (6) with three-way valve (4) third connector is connected, blood sampling outer tube (7) with sealing joint (6) are connected, interior sleeve pipe (8) detachable set up in the blood sampling outer tube (7), blood taking needle (9) set up in on the blood sampling outer tube (7).
2. The safety type indwelling needle according to claim 1, wherein the outer blood collection cannula (7) and the inner blood collection cannula (8) are in a screw connection.
3. The safety type indwelling needle according to claim 1, wherein a sealing plug (10) is arranged on the inner blood sampling cannula (8), and a connecting rope (11) is arranged between the sealing plug (10) and the outer blood sampling cannula (7).
4. The safety type indwelling needle according to claim 1, wherein a one-handed clip (12) is provided on the connecting tube (3).
5. The safety type indwelling needle according to claim 1, wherein the top of the blood sampling outer sleeve (7) extends outwards to form an extended edge.
CN202122306428.7U 2021-09-23 2021-09-23 Safe indwelling needle Expired - Fee Related CN215778508U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122306428.7U CN215778508U (en) 2021-09-23 2021-09-23 Safe indwelling needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122306428.7U CN215778508U (en) 2021-09-23 2021-09-23 Safe indwelling needle

Publications (1)

Publication Number Publication Date
CN215778508U true CN215778508U (en) 2022-02-11

Family

ID=80165647

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122306428.7U Expired - Fee Related CN215778508U (en) 2021-09-23 2021-09-23 Safe indwelling needle

Country Status (1)

Country Link
CN (1) CN215778508U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220211