CN220588673U - Hemodialysis double-cavity indwelling needle - Google Patents
Hemodialysis double-cavity indwelling needle Download PDFInfo
- Publication number
- CN220588673U CN220588673U CN202321630486.8U CN202321630486U CN220588673U CN 220588673 U CN220588673 U CN 220588673U CN 202321630486 U CN202321630486 U CN 202321630486U CN 220588673 U CN220588673 U CN 220588673U
- Authority
- CN
- China
- Prior art keywords
- hemodialysis
- needle
- hose
- double
- indwelling needle
- 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
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 30
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 30
- 238000000502 dialysis Methods 0.000 claims abstract description 16
- 239000008280 blood Substances 0.000 claims abstract description 12
- 210000004369 blood Anatomy 0.000 claims abstract description 12
- 230000002439 hemostatic effect Effects 0.000 claims abstract description 12
- 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 8
- 229960002897 heparin Drugs 0.000 claims abstract description 8
- 229920000669 heparin Polymers 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 230000001771 impaired effect Effects 0.000 abstract 2
- 210000004204 blood vessel Anatomy 0.000 description 6
- 230000002792 vascular Effects 0.000 description 5
- 238000001802 infusion Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 206010003226 Arteriovenous fistula Diseases 0.000 description 1
- 208000001647 Renal Insufficiency Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 201000006370 kidney failure Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000003966 vascular damage Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Abstract
The utility model discloses a hemodialysis double-cavity indwelling needle, which comprises: the device comprises a screw joint, wherein one end of the screw joint is inserted with a hose, the outer side of the other end of the hose is sleeved with a catheter, and a blood guiding hole is formed in the catheter; the other side of the screw joint is in threaded connection with a screw joint cap, two extension pipes are arranged on the other side of the screw joint cap, a dialysis pipe joint is fixed on the other end of the extension pipe, and a heparin cap is screwed on the other side of the dialysis pipe joint; through above-mentioned structure, through using two extension pipes, two dialysis coupling and two heparin caps for transfusion system's connection convenience obtains improving, and after one of them impaired or pollution, second hemostatic clamp is cliied on corresponding extension pipe, uses another dialysis coupling, and then need not keep somewhere the needle change, and then has reduced and kept somewhere the impaired or the repeated puncture after polluting of needle.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a hemodialysis double-cavity indwelling needle.
Background
In recent years, hemodialysis patients have been increasing year by year, hemodialysis is one of the main kidney replacement treatment methods for patients with renal failure, and to complete hemodialysis treatment, a vascular passageway of the patient is first established, the vascular passageway includes a central venous temporary catheter, a dacron-sheathed tunnel central venous catheter, an autologous arteriovenous fistula forming, a graft vascular bypass fistulization, etc., temporary central venous vascular access is selected for temporary or short-term hemodialysis treatment patients, and long-term vascular access is expected for patients with long-term hemodialysis treatment, including: the automatic arteriovenous leakage forming operation and the graft vessel bypass fistulization operation are carried out, the blood vessel of a patient is required to be punctured by the blood vessel access to complete treatment, the existing puncture needle is provided with a steel needle and a common indwelling needle, two puncture needles are required to be completed, each patient is treated for 3-4 times a week, 6-8 puncture needles are required to be punctured for one year, 288-384 puncture needles are required to be punctured for one year, great pain and damage to the blood vessel are brought to the patient, the blood vessel of a dialysis patient is a life line of the patient, the damage to the blood vessel is reduced as much as possible, and the aim of reducing the occurrence of related complications is achieved, so that the better treatment aim is achieved, the indwelling needle is inevitably replaced again after being connected with an infusion set to cause pollution, and complications are still easy to cause.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a hemodialysis double-cavity indwelling needle, which solves the problem that the common indwelling needle needs to repeatedly puncture after being damaged or polluted at the position connected with an infusion set so as to cause complications caused by vascular damage.
The utility model also provides a hemodialysis double-cavity indwelling needle, which comprises: the device comprises a screw joint, wherein one end of the screw joint is inserted with a hose, the outer side of the other end of the hose is sleeved with a catheter, and a blood guiding hole is formed in the catheter;
the other side threaded connection of screwed joint has the screwed joint cap, the opposite side of screwed joint cap is provided with two extension pipes, the other end of extension pipe is fixed with the dialysis coupling, the opposite side of dialysis coupling is screwed in and is had the heparin cap.
According to the hemodialysis double-cavity indwelling needle, the first hemostatic clamp is arranged on the hose.
According to the hemodialysis double-cavity indwelling needle, one side, far away from the hose, of the spiral connector is provided with a steel needle anti-puncturing head, a steel needle is inserted into the steel needle anti-puncturing head, the steel needle comprises a steel needle handle, and the steel needle handle is located on the outer side of the steel needle anti-puncturing head.
According to the hemodialysis double-cavity indwelling needle, the rotating rings are fixed on two sides of the spiral joint cap.
According to the hemodialysis double-cavity indwelling needle, the two extension tubes are distributed in a Y shape, and the outer sides of the two extension tubes are provided with second hemostatic clips.
According to the hemodialysis double-cavity indwelling needle, the distance between the blood drawing hole and one end of the catheter, which is far away from the hose, is 5cm.
According to the hemodialysis double-cavity indwelling needle, the two rotating rings and the two extension tubes are symmetrically distributed around the front-back symmetry plane of the spiral joint cap.
The utility model has the following beneficial effects:
1. according to the utility model, the connection convenience of the infusion set is improved by using the double extension pipes, the double dialysis pipe joints and the double heparin caps, and after one of the two extension pipes is damaged or polluted, the second hemostatic clips are clamped on the corresponding extension pipes, and the other dialysis pipe joint is used, so that replacement of the indwelling needle is not needed, and repeated puncture after the indwelling needle is damaged or polluted is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic view showing the structure of a hemodialysis double-lumen indwelling needle according to the present utility model;
FIG. 2 is a side view of a hemodialysis dual-lumen indwelling needle according to the present utility model;
FIG. 3 is a schematic diagram of a hemodialysis dual-lumen indwelling needle according to the present utility model;
fig. 4 is a schematic diagram of a hemodialysis dual-chamber indwelling needle according to the present utility model.
Legend description:
1. a conduit; 2. a first hemostatic clip; 3. a screw joint; 4. a steel needle; 5. a screw joint cap; 6. an extension tube; 7. a heparin cap; 8. a dialysis tube joint; 9. a second hemostatic clip; 10. a rotating ring; 11. and (5) a blood drawing hole.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, a hemodialysis dual-lumen indwelling needle according to an embodiment of the present utility model includes: the spiral joint 3, one end of the spiral joint 3 is spliced with a hose, the outside of the other end of the hose is sleeved with a catheter 1, a blood drawing hole 11 is arranged on the catheter 1, and the distance between the blood drawing hole 11 and one end of the catheter 1, which is far away from the hose, is 5cm;
the other side of the screw joint 3 is connected with a screw joint cap 5 in a threaded manner, the screw joint cap 5 is provided with two extension pipes 6 on the other side of the screw joint cap 5, a dialysis pipe joint 8 is fixed on the other end of the extension pipe 6, and a heparin cap 7 is screwed on the other side of the dialysis pipe joint 8.
A first hemostatic clip 2 is provided on the hose.
The side of the spiral joint 3, which is far away from the hose, is provided with a steel needle anti-piercing head, a steel needle 4 is inserted into the steel needle anti-piercing head, the steel needle 4 comprises a steel needle handle, and the steel needle handle is positioned at the outer side of the steel needle anti-piercing head and passes through the steel needle anti-piercing head.
The two sides of the screw joint cap 5 are fixed with rotary rings 10, and the two rotary rings 10 and the two extension pipes 6 are symmetrically distributed about the front-rear symmetry plane of the screw joint cap 5.
The two extension tubes 6 are distributed in a Y shape, and the outer sides of the two extension tubes are provided with second hemostatic clips 9.
Working principle: before use, the hemodialysis double-cavity indwelling needle is packaged in a package, the package is torn open during use, a protective cap (the protective cap is not shown in the figure) sleeved on the catheter 1 is taken down, then puncture is carried out, a steel needle handle is grasped from one side of a steel needle puncture-proof head of a screw joint to operate the steel needle, the needle tip of the steel needle penetrates out of the catheter 1 for puncture, after blood is seen, the steel needle is slowly retracted and a soft needle (the soft needle is not shown in the figure) is pushed until the soft needle is completely fed into a blood vessel, then the first hemostatic clip 2 is closed, the steel needle 4 is removed, the second hemostatic clip 9 is opened for respectively introducing and exhausting blood, and after one heparin cap 7 is removed, the dialysis catheter joint 8 is inserted and connected with a dialysis artery and vein pipeline for introducing blood.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A hemodialysis dual-lumen indwelling needle, comprising: the blood collection device comprises a spiral connector (3), wherein a hose is inserted into one end of the spiral connector (3), a catheter (1) is sleeved on the outer side of the other end of the hose, and a blood collection hole (11) is formed in the catheter (1);
the other side threaded connection of screwed joint (3) has screwed joint cap (5), the opposite side of screwed joint cap (5) is provided with two extension pipes (6), the other end of extension pipe (6) is fixed with dialysis coupling (8), the opposite side of dialysis coupling (8) is twisted and is had heparin cap (7).
2. A hemodialysis dual-lumen indwelling needle according to claim 1, in which a first hemostatic clip (2) is provided on said hose.
3. The double-cavity indwelling needle for hemodialysis according to claim 1, wherein one side of the spiral connector (3) far away from the hose is a steel needle puncture-preventing head, a steel needle (4) is inserted into the steel needle puncture-preventing head, the steel needle (4) comprises a steel needle handle, and the steel needle handle is located on the outer side of the steel needle puncture-preventing head.
4. A hemodialysis double-lumen indwelling needle according to claim 1, in which a rotating ring (10) is fixed to both sides of the screw cap (5).
5. A hemodialysis double-lumen indwelling needle according to claim 1, characterized in that two of said extension tubes (6) are distributed in Y-shape, and the outer sides are provided with second hemostatic clips (9) respectively.
6. A hemodialysis dual-lumen indwelling needle according to claim 1, in which the distance of said blood introducing hole (11) from the end of the catheter (1) remote from the hose is 5cm.
7. A hemodialysis double-lumen indwelling needle according to claim 4, in which both the rotating ring (10) and the two extension tubes (6) are symmetrically distributed about the front-rear symmetry plane of the screw cap (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630486.8U CN220588673U (en) | 2023-06-26 | 2023-06-26 | Hemodialysis double-cavity indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321630486.8U CN220588673U (en) | 2023-06-26 | 2023-06-26 | Hemodialysis double-cavity indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220588673U true CN220588673U (en) | 2024-03-15 |
Family
ID=90173694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321630486.8U Active CN220588673U (en) | 2023-06-26 | 2023-06-26 | Hemodialysis double-cavity indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220588673U (en) |
-
2023
- 2023-06-26 CN CN202321630486.8U patent/CN220588673U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |