CN211068438U - Venous indwelling needle - Google Patents
Venous indwelling needle Download PDFInfo
- Publication number
- CN211068438U CN211068438U CN201920956899.2U CN201920956899U CN211068438U CN 211068438 U CN211068438 U CN 211068438U CN 201920956899 U CN201920956899 U CN 201920956899U CN 211068438 U CN211068438 U CN 211068438U
- Authority
- CN
- China
- Prior art keywords
- needle
- input end
- venous
- catheter
- assembly
- 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
Links
- 238000001802 infusion Methods 0.000 claims abstract description 10
- 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 9
- 229960002897 heparin Drugs 0.000 claims abstract description 9
- 229920000669 heparin Polymers 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 8
- 210000003462 vein Anatomy 0.000 abstract description 8
- 239000002390 adhesive tape Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 201000004624 Dermatitis Diseases 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010040943 Skin Ulcer Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
Images
Abstract
The utility model relates to a vein indwelling needle. The venous indwelling needle comprises a needle head assembly, a catheter and a connector assembly, wherein the connector assembly comprises a first input end, a second input end and an output end, the first input end is used for being connected with a positive pressure infusion device, a heparin cap is detachably connected to the second input end, and a fixing wing is arranged on a main body of the connector assembly; one end of the catheter is connected with the needle assembly, and the other end of the catheter is connected with the output end of the connector assembly. The venous indwelling needle provided by the disclosure has higher stability in use.
Description
Technical Field
The disclosure relates to the technical field of medical instruments, in particular to a venous indwelling needle.
Background
In recent years, with the rapid development of medical science, a venous indwelling needle capable of alleviating the pain of repeated puncture of a patient has been widely used for emergency transfusion of critically ill patients, intravenous nutrition and patients who intermittently apply antibiotics or other medicines to veins. The venous indwelling needle comprises a puncture needle and a cannula. After the puncture needle is punctured into the vein of a patient with the sleeve, the puncture needle is pulled out, the sleeve is left in the body, and the outer end of the sleeve is connected with an infusion device or a blood sampling device. The venous indwelling needle can be used for conventional venous transfusion and can be used for discontinuously sampling blood for multiple times, so that the pain of a patient caused by repeated puncture is avoided, the vein of the patient is protected, and the working efficiency of a nurse can be improved.
At present, most of clinical venous indwelling needles are fixed by medical adhesive tapes in an adhesive plaster mode, and the fixing mode is simple and easy to implement, but has a plurality of defects. The connector assembly of the vein indwelling needle is generally cylindrical, and after the medical adhesive tape is pasted and fixed on the skin of a patient, the situation of rotation and even falling is easy to occur, the commonly used medical adhesive tapes are more, and the medical adhesive tapes can cause the occurrence of the situations of skin allergy, ulceration and the like after being used for a long time.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
It is an object of the present disclosure to provide a more robust venous indwelling needle in use.
According to one aspect of the present disclosure, a venous indwelling needle is provided. The venous indwelling needle comprises:
a needle assembly;
a catheter having one end connected to the needle assembly;
the joint assembly comprises a first input end, a second input end and an output end, wherein the first input end is used for being connected with a positive pressure infusion device, a heparin cap is detachably connected to the second input end, the output end is connected with the other end of the catheter, and a fixing wing is arranged on the main body of the joint assembly.
In an exemplary embodiment of the present disclosure, the two fixed wings are respectively located at two sides of the main body of the joint assembly with respect to the first input end.
In an exemplary embodiment of the disclosure, an angle between two of the fixed wings away from the first input end is not greater than 180 °.
In an exemplary embodiment of the present disclosure, both of the fixing wings have predetermined arcs curved back to back.
In an exemplary embodiment of the present disclosure, the fixed wing is provided at a position of the output end.
In an exemplary embodiment of the present disclosure, the stationary wing is a flexible material.
In an exemplary embodiment of the present disclosure, the fixing wing is a plate-like structure extending from a main body of the joint assembly.
In an exemplary embodiment of the present disclosure, a cap is detachably attached to the first input end.
In an exemplary embodiment of the present disclosure, the needle assembly includes:
the needle seat comprises a liquid injection inlet and a liquid injection outlet, and one end of the catheter is connected with the liquid injection inlet and outlet;
the sleeve is arranged at the liquid injection output port;
the needle core is arranged in the indwelling catheter;
the needle handle is arranged on the needle base.
In an exemplary embodiment of the present disclosure, the venous indwelling needle further comprises:
the flow stopping clamp is arranged on the conduit and used for blocking the flow of the liquid in the conduit.
According to the venous indwelling needle provided by the disclosure, the fixing wings are arranged on the main body of the joint component, when the needle is fixed on the limb of a patient, the fixing wings can be pasted on the skin of the patient through the medical adhesive tape, and the fixing wings are pasted on the skin of the patient, so that the joint component can be prevented from rotating, and the stability of the joint component is enhanced; in addition, through the setting of stationary vane, the use amount of medical adhesive tape when can reduce fixed vein and keep somewhere the needle can be avoided more medical adhesive tape to use the emergence that causes the condition such as patient's skin allergy fester for a long time.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a schematic view of a venous indwelling needle provided in an embodiment of the present disclosure.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting on the number of their objects.
The disclosed embodiments provide a venous indwelling needle. As shown in fig. 1, the venous indwelling needle comprises a needle head assembly, a catheter 201 and a connector assembly, wherein the connector assembly comprises a first input end 301, a second input end 302 and an output end 303, the first input end 301 is used for connecting with a positive pressure infusion device, the second input end 302 is detachably connected with a heparin cap 306, and a fixing wing 304 is arranged on the main body of the connector assembly; one end of the catheter 201 is connected to the needle assembly and the other end is connected to the output end 303 of the connector assembly.
According to the venous indwelling needle provided by the disclosure, the fixing wings 304 are arranged on the main body of the joint component, when the needle is fixed on the limb of a patient, the fixing wings 304 can be pasted on the skin of the patient through the medical adhesive tape, the fixing wings 304 are attached to the skin of the patient, the joint component can be prevented from rotating, and the stability of the joint component is enhanced; in addition, through the setting of stationary vane 304, the use amount of medical adhesive tape when fixed vein is kept somewhere the needle can be reduced, can avoid the emergence that more medical adhesive tape used for a long time and cause the condition such as patient's skin allergy ulcerate.
As shown in fig. 1, two fixed wings 304 are provided, and the two fixed wings 304 are respectively located at two sides of the main body of the connector assembly opposite to the first input end 301. Set up two stationary vanes 304, can make the joint Assembly all unable rotation in both sides after being fixed in patient's skin, improved the steadiness after the joint Assembly is fixed, also do benefit to the production of product. Of course, the fixed wing 304 may be provided with one, three or more, and the number of the fixed wings 304 is not limited by the present disclosure.
Further, the angle between the two fixed wings 304 away from the first input end 301 is not more than 180 °. Because patient's skin surface has certain radian, and is not complete plane, consequently, establish the contained angle between two stationary vanes 304 and be less than or equal to 180, make two stationary vanes 304 can laminate patient's skin simultaneously to the steadiness after further improving the joint Assembly. Preferably, the angle between the two fixed wings 304 away from the first input end 301 is 120 ° to 180 °. Of course, the angle between the two fixed wings 304 may also be greater than 180 °.
The length of the main body of the fixed wing 304 may be 1cm, 3cm, 5cm, 6cm, etc., which are not listed here. Preferably, the length of the main body of the stationary wing 304 is 5 cm.
Specifically, the stationary vanes 304 each have a predetermined arc. Because patient's skin surface has certain radian, consequently, set up the stationary vane 304 into the arc, the radian of stationary vane 304 matches with the cambered surface on patient's skin surface, can make stationary vane 304 and patient's skin surface laminating as far as together, reduce the laminating back and the skin surface between the clearance, increased the laminating area of stationary vane 304 and patient's skin surface, and then improved the steadiness after the joint Assembly is fixed, thereby the fixed back reliability of needle is kept somewhere to the vein has been improved. It should be clear to those skilled in the art that the preset radian is the same as or similar to the radian of the skin of the patient to be taken by the fixed venous indwelling needle, which is not limited in the present disclosure, and all solutions that can achieve the same technical effect belong to the protection scope of the present disclosure.
Specifically, the stationary wing 304 is a flexible material. The fixed wings 304 are made of flexible materials, so that the fixed wings 304 can slightly deform to adapt to the radian of the skin of a patient and attach to the skin of the patient as much as possible, and the stability of the fixed joint component is improved; in addition, the fixing wings 304 are made of flexible materials, so that the comfort of a patient can be improved after the fixing wings 304 are in contact with the skin of the patient, and discomfort caused by excessive extrusion on the skin of the patient due to over hardness of the fixing wings 304 is avoided; in addition, the fixed wing 304 is made of flexible material, so that the fixed wing 304 is prevented from being easily broken, the fixed wing 304 has certain toughness, and the reliability of the fixed wing 304 is improved.
Wherein the flexible material may be a plastic material, a rubber material, etc., it should be clear to those skilled in the art that the flexible material should have a certain hardness to ensure the effect of the fixing wing 304 on the stability of the joint assembly.
As shown in fig. 1, a fixed wing 304 is provided at the location of the output end 303. Through locating the position department of output 303 with stationary vane 304, be convenient for connect the fixed of subassembly, when connecting the syringe to the joint subassembly, make things convenient for holding between the fingers fixedly to the joint subassembly, avoid stationary vane 304 to the interference that causes when connecting the syringe. In addition, the fixed wing 304 may be disposed at other positions as long as the purpose of stabilizing the joint assembly can be achieved, which is not limited by the present disclosure.
As shown in fig. 1, the securing wings 304 are tab-like structures extending from the body of the header assembly. The fixing wing 304 with the sheet structure can ensure enough contact area with the skin of a patient, and further ensures the stabilizing effect on the joint component. In addition, adopt sheet structure, can promote patient's comfort level, avoid stationary vane 304 to cause the condition such as incised wound, fish tail to patient's skin to appear, improved stationary vane 304's reliability.
The sheet-shaped fixed wing 304 may be triangular, rectangular, circular, oval, polygonal, or the like, which is not listed here. Preferably, the fixed wing 304 is an oval sheet-shaped structure, and the edges of the fixed wing 304 are all arc-shaped due to the oval fixed wing 304, so that the skin of a patient can be prevented from being scratched, and the reliability of the fixed wing 304 is improved. Other types of fixed wings 304 may be selected by one skilled in the art, and the present disclosure is not limited thereto, and all embodiments that achieve the same technical effect fall within the scope of the present disclosure.
Specifically, the stationary wing 304 is integrally formed with the joint assembly. By adopting the integral molding, the connection strength of the fixed wing 304 on the joint component can be improved. Of course, the retaining wings 304 may be attached to the connector assembly by adhesive, snap-fit, or the like. It will be appreciated by those skilled in the art that the use of a snap-fit connection or the like enables the position of the securing wings 304 on the connector assembly to be adjusted, for example, by providing a sliding slot on the connector assembly so that the securing wings 304 can be secured to the connector assembly in cooperation with the sliding slot.
As shown in FIG. 1, the joint assembly is a three-way joint, which is Y-shaped. The first input 301 of the three-way junction is fitted with a heparin cap 306, the heparin cap 306 being a detachable structure. When infusion is performed with a needle, the heparin cap 306 is directly inserted for infusion. In the case of needle-free infusion, the heparin cap 306 is removed and the infusion end is fitted to the first input end 301. The heparin cap 306 has a detachable structure, and is convenient and flexible to use.
As shown in fig. 1, a cap 305 is removably attached to the first input end 301. When positive pressure infusion is not required at the first input 301, the first input 301 may be capped with a cap 305. Wherein, cap 305 swing joint is on the main part of joint Assembly, and when cap 305 took off from first input 301, cap 305 can hang on the main part of joint Assembly through a cable, and convenient to use is nimble.
In addition, the connector assembly comprises two input ports, and two kinds of liquid medicines can be injected through the first input port 301 and the second input port 302 at the same time.
As shown in fig. 1, the needle assembly comprises a needle seat, a cannula 101, a needle core 102 and a needle handle 105, the needle seat comprises a liquid injection input port 104 and a liquid injection output port 103, and one end of a conduit 201 is connected with the liquid injection inlet and outlet; the cannula 101 is arranged at the injection output port 103, the needle core 102 is arranged in the indwelling catheter 201, and the needle handle 105 is arranged on the needle seat.
The needle handle 105 is arranged to facilitate puncture, and medical personnel can hold the needle handle 105 to puncture during puncture, so that the puncture is convenient and stable; the cannula 101 is made of a transparent expandable silica gel soft material, the rear end of the cannula 101 is connected with an injection output port of an indwelling needle seat, the side wall of the needle seat is provided with an injection input port and is connected with the long cannula 101, the rear end of the needle seat is also provided with a needle core 102 access port, so that the needle seat forms a three-way pipe structure, meanwhile, an isolation plug is arranged inside the rear end of the needle seat, and the needle core 102 penetrates through the isolation plug through the needle core 102 access port and enters the cannula 101. In addition, a side hole can be opened at the position 4mm-7mm away from the needle end of the needle core 102, so that the blood return condition during intravenous injection can be conveniently observed.
As shown in fig. 1, the venous indwelling needle further includes a flow stop clip 202. A flow stop clip 202 is provided on the conduit 201 for blocking the flow of liquid in the conduit 201. Specifically, the flow stop clip 202 is provided at any position of the catheter 201, and the flow stop clip 202 controls the flow rate of the infusion fluid and prevents the backflow of blood. The disclosure does not limit the specific structure of the flow stopping clip 202, and all schemes that can achieve the same technical effect all belong to the protection scope of the disclosure.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. A venous indwelling needle, comprising:
a needle assembly;
a catheter having one end connected to the needle assembly;
the joint assembly comprises a first input end, a second input end and an output end, wherein the first input end is used for being connected with a positive pressure infusion device, a heparin cap is detachably connected to the second input end, the output end is connected with the other end of the catheter, and a fixing wing is arranged on the main body of the joint assembly.
2. The venous retention needle according to claim 1, wherein there are two of the fixed wings and located on either side of the body of the connector assembly relative to the first input end.
3. The venous retention needle according to claim 2, wherein the angle between the two fixed wings away from the first input end is no more than 180 °.
4. The venous retention needle according to claim 1, wherein the fixed wings each have a preset arc.
5. The venous retention needle according to claim 1, wherein the fixed wing is provided at the location of the output end.
6. The venous retention needle of claim 1, wherein the fixation wings are a flexible material.
7. The venous retention needle of claim 1, wherein the fixed wing is a tab-like structure extending from a body of the connector assembly.
8. The venous retention needle of claim 1, wherein a cap is removably attached to the first input.
9. The venous retention needle of claim 1, wherein the needle head assembly comprises:
the needle seat comprises a liquid injection inlet and a liquid injection outlet, and one end of the catheter is connected with the liquid injection inlet and outlet;
the sleeve is arranged at the liquid injection output port;
the needle core is arranged in the catheter;
the needle handle is arranged on the needle base.
10. The venous indwelling needle of claim 1, further comprising:
the flow stopping clamp is arranged on the conduit and used for blocking the flow of the liquid in the conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956899.2U CN211068438U (en) | 2019-06-24 | 2019-06-24 | Venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956899.2U CN211068438U (en) | 2019-06-24 | 2019-06-24 | Venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211068438U true CN211068438U (en) | 2020-07-24 |
Family
ID=71639304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920956899.2U Expired - Fee Related CN211068438U (en) | 2019-06-24 | 2019-06-24 | Venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211068438U (en) |
-
2019
- 2019-06-24 CN CN201920956899.2U patent/CN211068438U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200724 Termination date: 20210624 |