CN201194830Y - Continuous spinal anesthesia puncture needle - Google Patents
Continuous spinal anesthesia puncture needle Download PDFInfo
- Publication number
- CN201194830Y CN201194830Y CNU2008200226760U CN200820022676U CN201194830Y CN 201194830 Y CN201194830 Y CN 201194830Y CN U2008200226760 U CNU2008200226760 U CN U2008200226760U CN 200820022676 U CN200820022676 U CN 200820022676U CN 201194830 Y CN201194830 Y CN 201194830Y
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- CN
- China
- Prior art keywords
- needle
- puncture needle
- continuous
- puncture
- hole
- 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 a continuous lumbar anesthesia puncture needle which belongs to medical appliance of the continuous vertebral canal internal anesthesia and comprises a needle handle provided with a center through hole, a needle bar and a needlepoint. The continuous lumbar anesthesia puncture needle is characterized in that the needlepoint on the needle bar has a diagonal plane, and the center through hole and the outlet of the needle point have same axial direction. The continuous lumbar anesthesia puncture needle is used for anaesthetizing in the vertebral canal of a patient, one continuous administration pipe with a waved pinhead is positioned by the puncture needle after the extradural puncture is completed when the puncture needle is used, so the continuous administration pipe can be fixed in the subarachnoid cavity, the puncture needle does not need to be positioned in the subarachnoid cavity, thereby the patient is prevented from suffering complicating disease due to the missing of the cerebrospinal liquid. The utility model is convenient for operation, and has high safety.
Description
Technical field
This utility model relates to medical apparatus and instruments, is a kind of medical apparatus and instruments of continuous intravertebral anesthesia specifically.
Background technology
Continuous spinal anesthesia is a kind of to implementing a new technique of anesthesia in patient's canalis spinalis.With puncture needle patient's epidural puncture of going ahead of the rest is thrust in the subarachnoid space and keeps somewhere delivery catheter during enforcement, carry out low dose of intermittent administration, play the effect of continuous spinal anesthesia by delivery catheter.And traditional outer puncture needle structure comprises needle handle, shank and the needle point that has central through hole, and needle point is bent downwardly a little, the outlet of central through hole and needle point not same axially on.Its weak point is: outer puncture needle is thicker, and adopts the large-diameter catheter of 17G or 18 more, causes cerebrospinal fluid to lose easily, has a headache after easily causing lumbar anesthesia, and it only is applicable to when epidural anesthesia is put pipe and uses; Also useful 28G microtubular, cause the horse hair syndrome after the use easily.Therefore, be necessary puncture needle is improved.
Summary of the invention
The purpose of this utility model is the above-mentioned deficiency that solves prior art, and prior art is improved, and a kind of continuous spinal anesthesia puncture needle that does not penetrate subarachnoid space is provided.
The purpose of this utility model is achieved in that it comprises needle handle, shank and the needle point that has central through hole, it is characterized in that, needle point is oblique section on shank, and the outlet of central through hole and needle point is same axial.
Good effect of the present utility model is: the successive administration conduit of a band wave syringe needle is inserted in epidural puncture success back during use by puncture needle, can be fixed in the subarachnoid space, puncture needle is no longer inserted in the subarachnoid space, has avoided cerebrospinal fluid to lose to the patient and has caused complication.And operate conveniently, safe.
Description of drawings
Fig. 1 is structure of the present utility model and user mode figure.
Marginal data: 1-conduit, 2-shank, 3-needle point, 4-fine needle head, 5-needle handle.
The specific embodiment
Further specify enforcement of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, puncture needle of the present utility model comprises needle handle 5, shank 2 and the needle point that has central through hole, and needle point is oblique section 3 as shown in the figure on shank 2, and the outlet of central through hole and needle point is same axial.Insert the successive administration conduit 1 of a band wave syringe needle 4 during use by puncture needle, promptly can be the patient and carry out low dose administration realization continuous spinal anesthesia at interval.
Claims (1)
1. continuous spinal anesthesia puncture needle, it comprises needle handle, shank and the needle point that has central through hole, it is characterized in that, needle point is oblique section on shank, the outlet of central through hole and needle point be same axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200226760U CN201194830Y (en) | 2008-05-22 | 2008-05-22 | Continuous spinal anesthesia puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200226760U CN201194830Y (en) | 2008-05-22 | 2008-05-22 | Continuous spinal anesthesia puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194830Y true CN201194830Y (en) | 2009-02-18 |
Family
ID=40414468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200226760U Expired - Fee Related CN201194830Y (en) | 2008-05-22 | 2008-05-22 | Continuous spinal anesthesia puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201194830Y (en) |
-
2008
- 2008-05-22 CN CNU2008200226760U patent/CN201194830Y/en not_active Expired - Fee Related
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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: 20090218 Termination date: 20100522 |