CN110507394A - A kind of disposable lumbar puncture needle with colour developing instruction function - Google Patents
A kind of disposable lumbar puncture needle with colour developing instruction function Download PDFInfo
- Publication number
- CN110507394A CN110507394A CN201910731358.4A CN201910731358A CN110507394A CN 110507394 A CN110507394 A CN 110507394A CN 201910731358 A CN201910731358 A CN 201910731358A CN 110507394 A CN110507394 A CN 110507394A
- Authority
- CN
- China
- Prior art keywords
- core
- needle
- puncture
- puncturing
- tail end
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- 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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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
Abstract
The invention belongs to the field of medical instrument technology, more particularly to a kind of disposable lumbar puncture needle with colour developing instruction function, it solves the problems, such as rapidly and accurately determine that taken liquid is cerebrospinal fluid during lumbar puncture, including puncturing needle body and being arranged in the intracorporal puncture needle core of puncture needle, the puncturing lever that needle body includes hollow cylindrical is punctured, puncturing lever is provided with needle body side opening in the sidewall locations close to needle body head；Puncture needle core includes puncturing core and needle core tail end, puncture core is cylindrical tube closed at one end, it punctures and is provided with needle core side opening on the closed one end side wall of core, the other end for puncturing core is connected with needle core tail end, needle core tail end outside is cylindrical structure and middle part has syringe connector, and the part contacted on the inside of needle core tail end with puncture core is provided with PH test paper.Present invention eliminates need to extract repeatedly in operating process needle core see whether cerebrospinal fluid outflow it is cumbersome, while to judge cerebrospinal fluid flow out bring great convenience.
Description
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of to indicate that the disposable lumbar vertebrae of function is worn with colour developing
Pricker.
Background technique
The basic skills that lumbar puncture must be grasped as clinician, while being also as clinically a kind of common
Detection methods and operation of diagnosis and treatment, can be used for diagnosing the various diseases associated with inflammation of central nervous system, vascular conditions, myelopathy
Become, be suspected to have intracranial space-occupying lesion, to the nervous system disease of acatalepsia and spinal canal myelography etc.；Also for because of cerebrospinal pressure mistake
High tapping (decompression) and injection of medicine treat central nervous system disease.At the same time, lumbar puncture passes through in anesthesia field
Cavum subarachnoidale inject local anesthetic, the conduction function of blocking part spinal nerve and cause accordingly dominate region anesthesia make
With being widely used in abdomen or lower extremity surgery.
However, but inevitably facing some problems, example while lumbar puncture clinically applies more and more extensive
Such as particular patients ' puncture process difficulty to puncture the damage caused to patient repeatedly；There is apparent puncture to break through sense and has been found that brain
Spinal fluid reflux is unsmooth；After puncture trickle property it is unknown can not determine be cerebrospinal fluid so that influence next step operation and
Diagnosis etc..Disposable lumbar puncture needle with " colour developing instruction function " can solve the above problems to a certain extent.Hair
Bright content
The present invention in order to solve the problems, such as during lumbar puncture rapidly and accurately to determine that taken liquid is cerebrospinal fluid,
Provide a kind of disposable lumbar puncture needle with colour developing instruction function.
The present invention is achieved through the following technical solutions: a kind of disposable lumbar puncture with colour developing instruction function
Needle, including needle body and setting are punctured in the intracorporal puncture needle core of puncture needle, the puncturing lever that needle body includes hollow cylindrical is punctured, is worn
Thorn stick one end be conical structure needle body head, the puncturing lever other end be hollow cylindrical needle body tail end, needle body tail end it is interior
Diameter is 3~4 times for puncturing shank diameter, and puncturing lever is provided with needle body side opening in the sidewall locations close to needle body head；Puncture needle core packet
It includes and punctures core and needle core tail end, puncture core is cylindrical tube closed at one end, punctures and is provided with needle on the closed one end side wall of core
Core side opening, the other end for puncturing core are connected with needle core tail end, and needle core tail end outside is cylindrical structure and middle part has syringe
Connector, needle core tail end inside are provided with PH test paper with the part that core contacts is punctured, and PH test paper is set in parallel along the axis for puncturing core
It sets.
The outer diameter of needle core urosome is less than needle body urosome 0.2~0.3mm of internal diameter, punctures core outer diameter and is less than puncturing lever internal diameter 0.2
~0.3mm.
Needle body side opening is identical with needle core side opening specification, is the long hole of length 3mm.
Needle body tail end side wall is provided with contraposition Bluepoint, and needle core tail end side wall is provided with contraposition red dot, when puncture needle core is arranged
When in puncture needle body, contraposition Bluepoint and contraposition red dot can be completely coincident.
Puncture needle body is medical stainless steel material, and puncture needle core is medical plastic, and puncture needle core is batch machining at only
Found whole disposable puncture consumables.
Colour developing principle of the invention is: since cerebrospinal fluid is faintly acid, the close neutrality of pH range, specially 7 .31
~7 .34, therefore the discoloration after PH test paper is met by observation cerebrospinal fluid, a Preliminary Identification can be done to efflux is punctured.
The present invention has the beneficial effect that compared with prior art
The present invention reduces during lumbar puncture bring damage and existing puncture needle existing on the market not to the full extent
Together, needle core of the present invention uses the tubular, hollow structure with side opening, eliminates and needs constantly to extract needle core sight in puncture process
The troublesome operation for whether having cerebrospinal fluid examined；Simultaneously because cerebrospinal fluid is limpid, transparent and needle body head end clear glass cylinder color difference
Close, having some the elderlys, the patient of spinal canal stenosis and puncture position in addition not is that center and other reasons leads to csf flow
It is less out, slow, cause observation difficult, increases the difficulty of puncture process.Present invention introduces PH test paper, if there is micro liquid
Body flows out inside needle core, and encountering PH test paper will change colour immediately, and not only high sensitivity but also more easily observation reduce puncture
Difficulty.As it can be seen that the present invention effectively increases the success rate of lumbar puncture while reducing penetration damage.The present invention passes through
The PH test paper for introducing needle core and needle core tail end with side opening not only eliminates in operating process and needs to extract needle core sight repeatedly
Whether have cerebrospinal fluid outflow cumbersome, while judging that the outflow of cerebrospinal fluid and clinical test are brought greatly to intuitive observation if examining
It is convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention punctures needle body；
Fig. 2 is the structural schematic diagram of puncture needle core of the present invention；
Fig. 3 is the structural representation side view of Fig. 1；
Fig. 4 is the structural representation side view of Fig. 2.
Figure label: 1- puncturing lever, 2- needle body tail end, 3- needle body head, 4- needle body side opening, 5- puncture core, 6- needle core head, 7-
Needle core side opening, 8- needle core tail end, 9-PH test paper, 10- syringe connector, 11- align Bluepoint, and 12- aligns red dot.
Specific embodiment
The present invention is specifically addressed in referring to Fig.1~Fig. 4, a kind of disposable lumbar puncture with colour developing instruction function
Needle, including needle body and setting are punctured in the intracorporal puncture needle core of puncture needle, the puncturing lever 1 that needle body includes hollow cylindrical is punctured,
1 one end of puncturing lever is the needle body head 3 of conical structure, and 1 other end of puncturing lever is the needle body tail end 2 of hollow cylindrical, needle body tail
The internal diameter at end 2 is 3~4 times of 1 diameter of puncturing lever, and puncturing lever 1 is provided with needle body side opening in the sidewall locations close to needle body head 3
4；Puncture needle core includes puncturing core 5 and needle core tail end 8, and puncture core 5 is cylindrical tube closed at one end, punctures core 5 closed one
Needle core side opening 7 is provided on the wall of end side, the other end for puncturing core 5 is connected with needle core tail end 8, is cylindrical outside needle core tail end 8
Structure and middle part have syringe connector 10, and 8 inside of needle core tail end is provided with PH test paper 9, PH with the part that core 5 contacts is punctured
Test paper 9 is arranged in parallel along the axis for puncturing core 5.
Wherein, the outer diameter of needle core urosome 8 is less than 2 0.2~0.3mm of internal diameter of needle body urosome, punctures 5 outer diameter of core and is less than puncturing lever
1 0.2~0.3mm of internal diameter.Needle body side opening 4 is identical with 7 specification of needle core side opening, is the long hole of length 3mm.2 side of needle body tail end
Wall is provided with contraposition Bluepoint 11, and 8 side wall of needle core tail end is provided with contraposition red dot 12, when puncture needle core is arranged in puncture needle body
When, contraposition Bluepoint 11 and contraposition red dot 12 can be completely coincident.The length of puncturing lever 1 is identical as the length of core 5 is punctured, and punctures
When core 5 is inserted into puncturing lever 1, puncture closed one end of core 5 is needle core head 6, the company of needle core head 6 and needle body head 3, puncturing lever 1
It is concordant to connect position.
Puncture needle body is medical stainless steel material, and puncture needle core is medical plastic, and puncture needle core is batch machining into independence
Whole disposable puncture consumables.It is spare that puncture needle core is processed into several progress, when use fits through pricker, i.e.,
It punctures needle body and is responsible for puncture, puncture needle core is responsible for extracting, be detected.When carrying out lumbar puncture to patient using the present invention, specifically
Operating procedure are as follows:
Firstly, puncture needle core is inserted into puncturing lever body, guarantee the two exact matching.When insertion, the needle core side of puncture needle core
Hole 7 is corresponding with 4 position of needle body side opening of needle body is punctured, and medical worker axially exerts oneself along puncturing lever 1, until contraposition 11 He of Bluepoint
Contraposition red dot 12 can be completely coincident, at this point, checking whether needle body side opening 4 is completely coincident with needle core side opening 7, if the two is completely heavy
It closes, then forms the complete structure of disposable lumbar puncture needle of the present invention with colour developing instruction function.
Further, medical worker carries out lumbar puncture using this practicability, and connects in 10 position of syringe connector
Satisfactory syringe.There is cerebrospinal fluid to flow out and touch PH test paper 9 quickly after puncturing successfully to be allowed to change colour.Due to brain ridge
Liquid is faintly acid, and pH range is close neutral, the specially .34 of 7 .31~7, therefore after meeting PH test paper by observation cerebrospinal fluid
Discoloration can do a Preliminary Identification to efflux is punctured.
When primarily determining that puncturing gained liquid is cerebrospinal fluid, it is extracted using syringe；If liquid herein
Obtain it is not target liquid by the discoloration of PH test paper, then further increase paracentesis depth, until completing target cerebrospinal fluid
Until extraction.
After completing lumbar puncture and the extraction of target liquid, puncture needle core is taken out and is concentrated as hospital refuse and is destroyed,
It is spare that the puncture needle body of stainless steel material carries out high-temperature sterilization.
The present invention has the puncture needle core of side opening and the PH test paper 9 of needle core tail end 8 by introducing, and not only eliminates operation
It needs to extract needle core in the process repeatedly and sees whether the cumbersome of cerebrospinal fluid outflow, while csf flow is judged to intuitive observation
Out and clinical test brings great convenience.
Claims (5)
1. a kind of disposable lumbar puncture needle with colour developing instruction function, it is characterised in that: exist including puncturing needle body and setting
The intracorporal puncture needle core of puncture needle, punctures the puncturing lever (1) that needle body includes hollow cylindrical, and puncturing lever (1) one end is cone
The needle body head (3) of structure, puncturing lever (1) other end are the needle body tail end (2) of hollow cylindrical, and the internal diameter of needle body tail end (2) is
3~4 times of puncturing lever (1) diameter, puncturing lever (1) are provided with needle body side opening (4) in the sidewall locations close to needle body head (3)；It wears
Pricker core includes puncturing core (5) and needle core tail end (8), and puncturing core (5) is cylindrical tube closed at one end, punctures core (5) closing
One end side wall on be provided with needle core side opening (7), puncture core (5) the other end be connected with needle core tail end (8), needle core tail end (8)
Outside is cylindrical structure and middle part has syringe connector (10), the portion contacted on the inside of needle core tail end (8) with puncture core (5)
Set up separately and be equipped with PH test paper (9), PH test paper (9) is arranged in parallel along the axis for puncturing core (5).
2. a kind of disposable lumbar puncture needle with colour developing instruction function according to claim 1, it is characterised in that: needle
The outer diameter of core urosome (8) is less than needle body urosome (2) 0.2~0.3mm of internal diameter, punctures core (5) outer diameter and is less than puncturing lever (1) internal diameter
0.2~0.3mm.
3. a kind of disposable lumbar puncture needle with colour developing instruction function according to claim 1, it is characterised in that: needle
Side hole (4) is identical with needle core side opening (7) specification, is the long hole of length 3mm.
4. a kind of disposable lumbar puncture needle with colour developing instruction function according to claim 1, it is characterised in that: needle
Body tail end (2) side wall is provided with contraposition Bluepoint (11), and needle core tail end (8) side wall is provided with contraposition red dot (12), works as puncture needle core
When being arranged in puncture needle body, aligning Bluepoint (11) and contraposition red dot (12) can be completely coincident.
5. a kind of disposable lumbar puncture needle with colour developing instruction function according to claim 1, it is characterised in that: wear
Pricker is medical stainless steel material, and puncture needle core is medical plastic, and puncture needle core is batch machining at the one of independent entirety
Secondary property punctures consumables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731358.4A CN110507394A (en) | 2019-08-08 | 2019-08-08 | A kind of disposable lumbar puncture needle with colour developing instruction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731358.4A CN110507394A (en) | 2019-08-08 | 2019-08-08 | A kind of disposable lumbar puncture needle with colour developing instruction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110507394A true CN110507394A (en) | 2019-11-29 |
Family
ID=68623928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731358.4A Pending CN110507394A (en) | 2019-08-08 | 2019-08-08 | A kind of disposable lumbar puncture needle with colour developing instruction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110507394A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA980200A (en) * | 1971-03-03 | 1975-12-23 | Lambert J. Diettrich | Indwelling catheter device |
| CN202515692U (en) * | 2012-04-21 | 2012-11-07 | 胥科辉 | Aspiration biopsy needle |
| CN204655064U (en) * | 2015-05-04 | 2015-09-23 | 杜刚 | Epidural anesthesia sting device |
| CN106691397A (en) * | 2017-03-09 | 2017-05-24 | 四川大学华西第二医院 | Cerebrospinal fluid detection apparatus for intraspinal anesthesia |
| CN109124736A (en) * | 2018-08-14 | 2019-01-04 | 刘斌 | Lumbar puncture needle assemblies with positioning and coloring function |
-
2019
- 2019-08-08 CN CN201910731358.4A patent/CN110507394A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA980200A (en) * | 1971-03-03 | 1975-12-23 | Lambert J. Diettrich | Indwelling catheter device |
| CN202515692U (en) * | 2012-04-21 | 2012-11-07 | 胥科辉 | Aspiration biopsy needle |
| CN204655064U (en) * | 2015-05-04 | 2015-09-23 | 杜刚 | Epidural anesthesia sting device |
| CN106691397A (en) * | 2017-03-09 | 2017-05-24 | 四川大学华西第二医院 | Cerebrospinal fluid detection apparatus for intraspinal anesthesia |
| CN109124736A (en) * | 2018-08-14 | 2019-01-04 | 刘斌 | Lumbar puncture needle assemblies with positioning and coloring function |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |
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| RJ01 | Rejection of invention patent application after publication |