CN205494553U - Intravenous remaining needle - Google Patents
Intravenous remaining needle Download PDFInfo
- Publication number
- CN205494553U CN205494553U CN201620209393.1U CN201620209393U CN205494553U CN 205494553 U CN205494553 U CN 205494553U CN 201620209393 U CN201620209393 U CN 201620209393U CN 205494553 U CN205494553 U CN 205494553U
- Authority
- CN
- China
- Prior art keywords
- catheter
- cap body
- needle
- cap
- venous detaining
- 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an intravenous remaining needle, including the needle file, the pipe of pipe seat and connection needle file and pipe seat, install on the pipe and be used for pressing from both sides the flow stopping clamp that closes the pipe, the heparin cap is installed to the infusion end of pipe seat, the heparin cap is including being the pipy cap body, the one end of the cap body is provided with the plug, coaxial being provided with of the other end of the cap body can be stretched into catheter in the pipe seat, its characterized in that, the external screw thread has on the body of catheter near the cap body, the infusion of pipe seat end have with the internal thread that outer thread to match closed, the external screw thread that the heparin cap passes through on the catheter is installed on the pipe seat. The utility model discloses it is big to have area of contact, fixed convenient, and stability is good, is favorable to having reduced the oppression to patient skin, and uncomfortable in the time of can reducing patient and use is felt, simple structure, it is little to make the degree of difficulty, and the cost is lower, the security of using is higher, leakproofness advantage such as better.
Description
Technical field
This utility model relates to medical sanitary apparatus field, in particular to a kind of venous detaining needle.
Background technology
Venous detaining needle is easy and simple to handle, it is applicable to the puncture at any position, alleviates the misery of patient's repeated localised puncture simultaneously, alleviate the workload of nursing staff, deeply being welcome by patient and medical personnel clinically, therefore venous detaining needle is widely used in clinical medicine.
Conduit that existing venous detaining needle mainly by needle stand, is connected on needle stand, it is arranged on supravasal flow-stopping clip, is connected to the catheter block of the conduit other end and is arranged on catheter block and is the calparine caps on two transfusion ends of Y type bifurcated and block forms.The nut that existing calparine cap is typically designed by evagination is arranged on catheter block, installs rear nut and forms protuberance relative to catheter block.Additionally, owing to the afterbody of needle stand needs to install puncture needle, conduit is generally connected to the side of needle stand, simultaneously, owing to the diameter of conduit is typically small, make needle stand less with the connecting portion diameter of conduit, and being relatively large in diameter of needle hub body so that needle hub body forms the protuberance of cylinder relative to connecting portion.So, in use, the protuberance of calparine cap and the protuberance of needle stand are less with the contact skin area of patient, and stability maintenance is poor for existing venous detaining needle.Simultaneously as the material of the two is harder, the sense of discomfort of patient can be increased.
Utility model content
For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is: how to provide a kind of contact area big, convenient fixing, and good stability has advantageously reduced the compressing to patient skin, it is possible to reduce sense of discomfort when patient uses；Simple in construction, manufacture difficulty is little, lower-cost venous detaining needle.
In order to solve above-mentioned technical problem, this utility model have employed following technical scheme:
A kind of venous detaining needle, including needle stand, catheter block and connect needle stand and the conduit of catheter block, the flow-stopping clip closing conduit for folder is installed on described conduit, the transfusion end of described catheter block is provided with calparine cap, described calparine cap includes cap body in a tubular form, one end of described cap body is provided with plug, the other end of described cap body is coaxially arranged with the catheter that can extend in described catheter block, it is characterized in that, described catheter has external screw thread on the body of cap body, the transfusion end of described catheter block has the female thread matched with described external screw thread, described calparine cap is arranged on described catheter block by the external screw thread on catheter.
So, when calparine cap is arranged on catheter block, owing to calparine cap uses external screw thread to install in catheter block so that without protuberance on catheter block, said structure is simple, and manufacture difficulty is little, and cost is relatively low.During use, owing to not having jut on catheter block so that catheter block increases with the contact area of patient skin, convenient fixing, good stability reduces the compressing to patient skin, it is possible to reduce sense of discomfort when patient uses.
As optimization, the diameter of described cap body is more than the diameter of described catheter, less than or equal to the diameter of the transfusion end of described catheter block, makes described cap body form the planar annular around described catheter towards the side of described catheter.So, when being screwed in catheter block by calparine cap, once planar annular touches catheter block, and calparine cap cannot be further threaded into, and produces axial power on screw thread simultaneously, makes the two connect tightr, difficult drop-off.
As optimization, described cap body is provided with sealing gasket towards between the planar annular and described catheter block of the side of described catheter.In such manner, it is possible to improve sealing therebetween.
As optimization, described catheter is along the direction away from described cap body, the taper the least in peripheral cross-section.
As optimization, described cap body in axial direction extends, away from a lateral edges of described catheter, the sidewall that formation is annular, and described plug is arranged in described sidewall.So, once nurse use syringe needle intert plug direction deflection, sidewall can stop syringe needle, prevents from stabbing finger, improves the safety of use.
As optimization, described plug has, away from the side of described cap body, the annular projection portion being coaxially disposed with cap body, and the internal diameter in described annular projection portion is consistent with the aperture of described cap body.As such, it is possible to indicate the site of puncture of plug, be conducive to being quickly found out site of puncture, improve work efficiency.
As optimization, described cap body outer peripheral face has anti-skidding lines.In such manner, it is possible to convenient, calparine cap is screwed.
As optimization, described needle stand includes needle hub body, and is Y-type layout with described needle hub body, is arranged on the catheter connector of needle hub body side；Described conduit is connected on described catheter connector；Described catheter connector and described needle hub body the same side on needle stand thickness direction are in the same plane.
In such manner, it is possible to increase the contact area of needle stand and skin, convenient fixing, good stability, reduce the compressing to patient skin, it is possible to reduce sense of discomfort when patient uses.
In sum, it is big that this utility model has contact area, convenient fixing, and good stability has advantageously reduced the compressing to patient skin, it is possible to reduces sense of discomfort when patient uses；Simple in construction, manufacture difficulty is little, and cost is relatively low；The advantages such as the safety used is higher, and sealing is preferable.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is the structural representation of calparine cap in Fig. 1.
Fig. 3 is the axle side structure schematic diagram of calparine cap in Fig. 1.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
When being embodied as: as shown in Fig. 1 ~ Fig. 3, a kind of venous detaining needle, including needle stand 1, catheter block 2 and connect needle stand 1 and the conduit 3 of catheter block 2, the flow-stopping clip 4 closing conduit for folder is installed on described conduit 3, the transfusion end of described catheter block 2 is provided with calparine cap 5, described calparine cap 5 includes cap body 51 in a tubular form, one end of described cap body 51 is provided with plug 52, the other end of described cap body 51 is coaxially arranged with the catheter 53 that can extend in described catheter block 2, described catheter 53 has external screw thread on the body of cap body 51, the transfusion end of described catheter block 2 has the female thread matched with described external screw thread, described calparine cap 5 is arranged on described catheter block 2 by the external screw thread on catheter 53.
So, when calparine cap is arranged on catheter block, owing to calparine cap uses external screw thread to install in catheter block so that without protuberance on catheter block, said structure is simple, and manufacture difficulty is little, and cost is relatively low.During use, owing to not having jut on catheter block so that catheter block increases with the contact area of patient skin, convenient fixing, good stability reduces the compressing to patient skin, it is possible to reduce sense of discomfort when patient uses.
Wherein, the diameter of described cap body 51 is more than the diameter of described catheter 53, less than or equal to the diameter of the transfusion end of described catheter block 2, makes described cap body 51 form the planar annular around described catheter 53 towards the side of described catheter 53.So, when being screwed in catheter block by calparine cap, once planar annular touches catheter block, and calparine cap cannot be further threaded into, and produces axial power on screw thread simultaneously, makes the two connect tightr, difficult drop-off.
Wherein, described cap body 51 is provided with sealing gasket towards between the planar annular and described catheter block 2 of the side of described catheter 53.In such manner, it is possible to improve sealing therebetween.When being embodied as, it is also possible to be directly bonded on planar annular by encapsulant, it is possible to prevent sealing gasket to drop, it is simple to install.
Wherein, described catheter 53 is along the direction away from described cap body 51, the taper the least in peripheral cross-section.
Wherein, described cap body 51 in axial direction extends, away from a lateral edges of described catheter 53, the sidewall 54 that formation is annular, and described plug 52 is arranged in described sidewall 54.So, once nurse use syringe needle intert plug direction deflection, sidewall can stop syringe needle, prevents from stabbing finger, improves the safety of use.
Wherein, described plug 52 has, away from the side of described cap body 51, the annular projection portion 55 being coaxially disposed with cap body 51, and the internal diameter in described annular projection portion 55 is consistent with the aperture of described cap body 51.As such, it is possible to indicate the site of puncture of plug, be conducive to being quickly found out site of puncture, improve work efficiency.
Wherein, described cap body 51 outer peripheral face has anti-skidding lines.In such manner, it is possible to convenient, calparine cap is screwed.
Wherein, described needle stand 1 includes needle hub body 11, and with described needle hub body 11 in Y-type layout, is arranged on the catheter connector 12 of needle hub body 11 side；Described conduit 3 is connected on described catheter connector 12；Described catheter connector 12 and described needle hub body 11 the same side on needle stand 1 thickness direction are in the same plane.
In such manner, it is possible to increase the contact area of needle stand and skin, convenient fixing, good stability, reduce the compressing to patient skin, it is possible to reduce sense of discomfort when patient uses.
The foregoing is only preferred embodiment of the present utility model, not with this utility model for limiting, all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (8)
- null1. a venous detaining needle，Including needle stand (1)，Catheter block (2) and connect needle stand (1) and the conduit (3) of catheter block (2)，The flow-stopping clip (4) closing conduit for folder is installed on described conduit (3)，The transfusion end of described catheter block (2) is provided with calparine cap (5)，Described calparine cap (5) includes cap body (51) in a tubular form，One end of described cap body (51) is provided with plug (52)，The other end of described cap body (51) is coaxially arranged with the catheter (53) that can extend in described catheter block (2)，It is characterized in that，Described catheter (53) has external screw thread on the body of cap body (51)，The transfusion end of described catheter block (2) has the female thread matched with described external screw thread，Described calparine cap (5) is arranged on described catheter block (2) by the external screw thread on catheter (53).
- 2. venous detaining needle as claimed in claim 1, it is characterized in that, the diameter of described cap body (51) is more than the diameter of described catheter (53), less than or equal to the diameter of the transfusion end of described catheter block (2), described cap body (51) is made to form the planar annular around described catheter (53) towards the side of described catheter (53).
- 3. venous detaining needle as claimed in claim 2, it is characterised in that described cap body (51) is provided with sealing gasket towards between the planar annular and described catheter block (2) of the side of described catheter (53).
- 4. venous detaining needle as claimed in claim 1, it is characterised in that described catheter (53) is along the direction away from described cap body (51), the taper the least in peripheral cross-section.
- 5. venous detaining needle as claimed in claim 1, it is characterised in that described cap body (51) in axial direction extends, away from a lateral edges of described catheter (53), the sidewall (54) that formation is annular, and described plug (52) is arranged in described sidewall (54).
- 6. venous detaining needle as claimed in claim 1, it is characterized in that, described plug (52) has, away from the side of described cap body (51), the annular projection portion (55) being coaxially disposed with cap body (51), and the internal diameter of described annular projection portion (55) is consistent with the aperture of described cap body (51).
- 7. venous detaining needle as claimed in claim 1, it is characterised in that on described cap body (51) outer peripheral face, there is anti-skidding lines.
- 8. venous detaining needle as claimed in claim 1, it is characterised in that described needle stand (1) includes needle hub body (11), and with described needle hub body (11) in Y-type layout, is arranged on the catheter connector (12) of needle hub body (11) side；Described conduit (3) is connected on described catheter connector (12)；Described catheter connector (12) and described needle hub body (11) the same side on needle stand (1) thickness direction are in the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209393.1U CN205494553U (en) | 2016-03-18 | 2016-03-18 | Intravenous remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209393.1U CN205494553U (en) | 2016-03-18 | 2016-03-18 | Intravenous remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205494553U true CN205494553U (en) | 2016-08-24 |
Family
ID=56731329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620209393.1U Expired - Fee Related CN205494553U (en) | 2016-03-18 | 2016-03-18 | Intravenous remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205494553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974663A (en) * | 2017-04-12 | 2017-07-25 | 侯颖萍 | Multi-functional remaining needle |
-
2016
- 2016-03-18 CN CN201620209393.1U patent/CN205494553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106974663A (en) * | 2017-04-12 | 2017-07-25 | 侯颖萍 | Multi-functional remaining needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160824 Termination date: 20170318 |