CN202313644U - Cannula puncture needle - Google Patents
Cannula puncture needle Download PDFInfo
- Publication number
- CN202313644U CN202313644U CN2011204742252U CN201120474225U CN202313644U CN 202313644 U CN202313644 U CN 202313644U CN 2011204742252 U CN2011204742252 U CN 2011204742252U CN 201120474225 U CN201120474225 U CN 201120474225U CN 202313644 U CN202313644 U CN 202313644U
- Authority
- CN
- China
- Prior art keywords
- needle
- cannula
- needle tubing
- trocar sheath
- puncture
- 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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Abstract
The utility model discloses a cannula puncture needle which has a good use effect. The cannula puncture needle comprises a needle core, wherein a needle tubing is sleeved at the outer side of the needle core, the needle core corresponds to the needle tubing, the right end of the needle core is fixedly connected with an inner cannula, the needle core is communicated with the inner cannula, an outer cannula is sleeved at the outer side of the inner cannula, is connected with the right end of the needle tubing, is integrally arranged with the needle tubing and is communicated with the needle tubing, a needle wing is arranged at the outer surface of the right end of the needle tubing, a clip is sleeved at the outer side of the outer cannula, the right end part of the outer cannula is provided with a nut, the inner cannula is longer than the outer cannula, and the needle tubing is a hose. The cannula puncture needle can conveniently puncture after being used, after the puncture is successful, vessels and tissues are prevented from being hurt, so limbs can be positioned in functional positions, are prevented from fatigue and can be quickly connected with a connection structure of an arterial end of an extracorporeal circulation loop, the tail end of the cannula needle can be prevented from being contaminated and pulled out from the vessel, so troubles are reduced, and the cannula puncture needle is convenient to operate and has a good use effect.
Description
Technical field
This utility model belongs to technical field of medical instruments, is specifically related to a kind of sleeve pipe puncture needle.
Background technology
After the pin that hemodialysis is at present used punctures successfully, when the puncture side limbs change a little, easy injured blood vessel of puncture needle and tissue; Sometimes need limbs to be in a fixed position, but make patient feel tired easily, and each dialysis all needs puncture again; Bring misery to patient, result of use is poor.
Summary of the invention
The purpose of this utility model provides the good sleeve pipe puncture needle of a kind of result of use.
To achieve these goals, the technical scheme that this utility model is taked is that this sleeve pipe puncture needle comprises nook closing member, and the nook closing member outside is with needle tubing; Nook closing member is corresponding with needle tubing, and the right-hand member of described nook closing member is fixedly connected with inner sleeve, and nook closing member communicates with inner sleeve; Inner sleeve is with trocar sheath outward, and trocar sheath is connected with the right-hand member of needle tubing, and trocar sheath and needle tubing are an integral body; Trocar sheath communicates with needle tubing, and the outer surface of the right-hand member of needle tubing is designed with the pin wing, and the outside of trocar sheath is with clip; The right part of trocar sheath has nut, the long and trocar sheath of inner sleeve, and needle tubing is a flexible pipe.
Right output port place at inner sleeve is provided with dust cap.
The beneficial effect of this utility model is: the right-hand member of the nook closing member in this utility model is fixedly connected with inner sleeve, and inner sleeve is with trocar sheath outward, and trocar sheath is connected with the right-hand member of needle tubing, and the outer surface of the right-hand member of needle tubing is designed with the pin wing; The outside of trocar sheath is with clip, and the right part of trocar sheath has nut, and inner sleeve is longer than trocar sheath; Needle tubing is a flexible pipe, thus use this utility model can puncture conveniently, puncture successfully after; Avoid injured blood vessel and tissue, make limbs can be in functional position, avoid the fatigue of limbs; And can be connected with extracorporeal circulation pipeline arterial end syndeton rapidly, can avoid that the trocar is terminal to be polluted, prevent that the trocar from deviating from outside the blood vessel; Reduce trouble, be convenient to operation, result of use is good.
Description of drawings
Closing embodiment below in conjunction with accompanying drawing further specifies the architectural feature of this utility model.
Fig. 1 is the structural representation of this utility model.
In the accompanying drawing, 1. the pin wing, 2. clip, 3. nut, 4. inner sleeve, 5. trocar sheath, 6. needle tubing, 7. nook closing member, 8. dust cap.
The specific embodiment
As shown in Figure 1, this utility model comprises nook closing member 7, and nook closing member 7 outsides are with needle tubing 6; Nook closing member 7 is corresponding with needle tubing 6, and the right-hand member of nook closing member 7 is fixedly connected with inner sleeve 4, and nook closing member 7 communicates with inner sleeve 4; Be with trocar sheath 5 outside the inner sleeve 4, trocar sheath 5 is connected with the right-hand member of needle tubing 6, and trocar sheath 5 is an integral body with needle tubing 6; Trocar sheath 5 communicates with needle tubing 6, and the outer surface of the right-hand member of needle tubing 6 is designed with the pin wing 1, and the outside of trocar sheath 5 is with clip 2; The right part of trocar sheath 5 has nut 3, and inner sleeve 4 is longer than trocar sheath 5, and needle tubing 6 is a flexible pipe.In the present embodiment, be provided with dust cap 8 at the right output port place of inner sleeve 4.
When using this utility model, the mounting of syringe in the end of inner sleeve is closed clip earlier and is punctured; Open clip then,, explain and puncture successfully if blood back is arranged; Fixed needle; Then nook closing member is extracted out, trocar sheath 5 is connected with extracorporeal circulation pipeline arterial end syndeton through nut, dialyse.
This utility model can be reused, and when finishing using, uses the heparin saline tube sealing, closes switch, and end directly is retained in puncture position with the medicated cap sealing, directly uses next time, reduces dialysis person's misery, reduces trouble, and is convenient to operation.
This utility model also is applicable to the critical patient simultaneously.
Claims (2)
1. a sleeve pipe puncture needle comprises nook closing member, and the nook closing member outside is with needle tubing; Nook closing member is corresponding with needle tubing, it is characterized in that the right-hand member of described nook closing member is fixedly connected with inner sleeve, and nook closing member communicates with inner sleeve; Inner sleeve is with trocar sheath outward, and trocar sheath is connected with the right-hand member of needle tubing, and trocar sheath and needle tubing are an integral body; Trocar sheath communicates with needle tubing, and the outer surface of the right-hand member of needle tubing is designed with the pin wing, and the outside of trocar sheath is with clip; The right part of trocar sheath has nut, and inner sleeve is longer than trocar sheath, and needle tubing is a flexible pipe.
2. sleeve pipe puncture needle according to claim 1 is characterized in that being provided with dust cap at the right output port place of said inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204742252U CN202313644U (en) | 2011-11-25 | 2011-11-25 | Cannula puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204742252U CN202313644U (en) | 2011-11-25 | 2011-11-25 | Cannula puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202313644U true CN202313644U (en) | 2012-07-11 |
Family
ID=46425654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204742252U Expired - Fee Related CN202313644U (en) | 2011-11-25 | 2011-11-25 | Cannula puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202313644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104784767A (en) * | 2015-03-10 | 2015-07-22 | 北京伏尔特技术有限公司 | Arteriovenous dialysis indwelling tube and using method thereof |
| CN107847714A (en) * | 2015-07-29 | 2018-03-27 | 延斯·埃布内特 | Lancing system |
| CN109820576A (en) * | 2019-03-27 | 2019-05-31 | 武汉唯柯医疗科技有限公司 | Transportation system is intervened through atrial septum with puncture function |
-
2011
- 2011-11-25 CN CN2011204742252U patent/CN202313644U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104784767A (en) * | 2015-03-10 | 2015-07-22 | 北京伏尔特技术有限公司 | Arteriovenous dialysis indwelling tube and using method thereof |
| CN107847714A (en) * | 2015-07-29 | 2018-03-27 | 延斯·埃布内特 | Lancing system |
| CN109820576A (en) * | 2019-03-27 | 2019-05-31 | 武汉唯柯医疗科技有限公司 | Transportation system is intervened through atrial septum with puncture function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20121125 |