CN207429144U - A kind of lumbar puncture needle for improving processing safety - Google Patents
A kind of lumbar puncture needle for improving processing safety Download PDFInfo
- Publication number
- CN207429144U CN207429144U CN201720463197.1U CN201720463197U CN207429144U CN 207429144 U CN207429144 U CN 207429144U CN 201720463197 U CN201720463197 U CN 201720463197U CN 207429144 U CN207429144 U CN 207429144U
- Authority
- CN
- China
- Prior art keywords
- plug valve
- access port
- needle tubing
- threeway plug
- puncture needle
- 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
Abstract
The utility model is related to a kind of lumbar puncture needles for improving processing safety, including puncturing needle tubing, it is characterized in that also set up a threeway plug valve, the main channel port of the threeway plug valve is connected with the puncture needle tubing, one in two application access ports of the threeway plug valve under working condition is used to connect cranium pressure table or syringe, another stays liquid needle tubing for connecting；Two under off working state are closed using access port by sealing end cap；The threeway plug valve is disposable Medical tee cork valve.The beneficial effects of the utility model are:It reduces infection and triggers disease risks, improve security, it is easy to operate, and then improve therapeutic effect.
Description
Technical field
The utility model is related to a kind of medical instrument more particularly to a kind of lumbar puncture needles for improving processing safety.
Background technology
In medicinal work, intracranial infection is relatively common disease, is carrying out the diagnose and treat of intracranial infection
When, it is necessary first to it carries out lumbar puncture extraction cerebrospinal fluid and carries out inspection chemical examination, this is the key link clarified a diagnosis, if necessary also
It needs to implement inner theca transfusion, Cerebrospinal Fluid Displacement in Treatment etc..
Currently used lumbar puncture needle mainly includes needle tubing and the needle core being inserted, needle core play sealing and water conservancy diversion control
It makes and uses.During puncture, need to extract needle core verification whether there is cerebrospinal fluid outflow after inserting needle has breakthrough to feel, when seeing cerebrospinal fluid, then connect
Cranium pressure table measurement cranium pressure is connect, but since the usual cranium pressure of the patient of intracranial infection is higher, even up to 300-400mmH2O, when pulling out
Go out needle core to carry out being susceptible to the outflow of cerebrospinal fluid moment when pressure measurement or other operations, so as to cause hernia cerebri, but also can cause to survey
Pressure is inaccurate；Needle core need to be extracted when carrying out intrathecal injection, syringe is inserted into, after injection, removes empty needle pipe, can go out at this time
Existing liquid outflow or cerebrospinal fluid outflow；When carrying out cerebrospinal fluid displacement, it is necessary to alternately inject brine and release cerebrospinal fluid behaviour
Make, due to there was only a port, it is necessary to extract needle core repeatedly, being inserted into syringe and staying liquid needle tubing, thereby increase answering for operation
Polygamy and infection risk；During leaving and taking cerebrospinal fluid and carrying out Bacteria Culture, needle core need to be inserted and extract repeatedly, infection probability increases
Add, and the drop speed of cerebrospinal fluid is not easily controlled, and too fast increase hernia cerebri risk is left and taken for the higher Cerebrospinal Fluid in Patients of cranium pressure.
As can be seen that existing lumbar puncture needle, cumbersome, infection triggers disease risks big, how to be asked for above-mentioned
Topic, is improved in prior art basis, researches and develops a kind of raising security, lumbar puncture needle easy to operate becomes industry
The problem of concern.
Utility model content
The main purpose of the utility model is that being improved regarding to the issue above to the prior art, a kind of improve is provided and is grasped
Make the lumbar puncture needle of security, realizing reduces infection and trigger disease risks, improves security, easy to operate, and then improves
Therapeutic effect reaches humanized treatment.
Technical solution is used by the utility model solves its technical problem：
A kind of lumbar puncture needle for improving processing safety, including puncturing needle tubing, it is characterised in that also set up threeway rotation
Plug valve, the main channel port of the threeway plug valve are connected with the puncture needle tubing, and two of the threeway plug valve under working condition
A one using in access port for connecting cranium pressure table or syringe, another stays liquid needle tubing for connecting；Inoperative shape
Two under state are closed using access port by sealing end cap.
The threeway plug valve is disposable Medical tee cork valve.
The beneficial effects of the utility model are：The needle core of lumbar puncture needle of the prior art is replaced with into three-way cock
Valve is added using access port quantity, and equipped with sealing end cap, in operation, revolutionize it is traditional insert repeatedly and
The operation of needle core is extracted, is switched by changeover cock, is opened and closed in due course each using access port, the conversion of different operating is realized, has
Effect is isolated from the outside world, and prevents from infecting, prevents cerebrospinal fluid from flowing out；In addition, it can also be controlled by the aperture size that cock is controlled to switch
Cerebrospinal fluid drop speed processed, the generation of hernia cerebri can be effectively prevented for the higher patient of cranium pressure, improves therapeutic quality.The utility model by
Clinical common instrument is formed, and cost is relatively low, and controllability is strong, and security is good, and the institute required by possessing lumbar vertebrae puncture operating is functional,
Raising is known clearly operation convenience, so as to have higher success rate, is directly abandoned after use, is avoided polluting.Reach science, hygienic operation,
Realize humanized treatment.
Description of the drawings：
Fig. 1 is that threeway plug valve sealing end cap is closed and the structure diagram under state；
Fig. 2 is the structure diagram under threeway plug valve sealing end cap opening state；
Fig. 3 is the original state structure diagram of the utility model；
Fig. 4 is the assembling schematic diagram of Fig. 3；
Fig. 5 is the structure diagram under the utility model survey cranium pressure application state；
Fig. 6 is the structure diagram under the utility model injection application state；
Fig. 7 is that the utility model stays structure diagram under liquid application state.
In figure：A threeway plug valves, B puncture needle tubing；11 main channels port, 12,13 apply access port, 2 cutting ferrules, 3 sealings
End cap, 4 cocks switch, 41,42,43 swing handles, 5 syringes, 6 needle bodies, 7 needle stands, 8 ring week card rib, 9 cranium pressure tables, 10 stay liquid pipe.
The utility model is described in detail below in conjunction with drawings and examples.
Specific embodiment
Fig. 3 shows a kind of lumbar puncture needle for improving processing safety, including puncturing needle tubing B, it is characterised in that also set up
One threeway plug valve A, the main channel port 11 of the threeway plug valve A are tightly connected with the puncture needle tubing B.Fig. 3 is this reality
With new original state structure diagram.At this point, it is off working state, two application access ports 12,13 are by sealing end cap 3
It is closed.
Above-mentioned threeway plug valve employs commercially available disposable Medical tee cork valve.In the present embodiment, use
The disposable plug valve of triple channel of Foshan specific medical senior executive Co., Ltd production,
As shown in Figs. 1-2, threeway plug valve A applies access port 12,13 with main channel port 11 and two.It is main logical
Road port is person of modern times's body access port, is away from body passageway port using access port.And equipped with control main channel port with
4 are switched using the cock of access port break-make, cock switch 4 has applies access port with main channel port 11 and two respectively
12nd, 13 corresponding swing handle 41,42,43.
Puncturing needle tubing B includes needle body 6 and its tubular needle stand 7 of connection, and the end of needle stand 7 is along equipped with ring week card rib 8.
As shown in figure 4, during assembling, main channel port 11 is entered with tight fit intercalation in needle stand 7, and passes through slip three-way cock
The cutting ferrule 2 of the outside of main channel port 11 suit of valve A makes the ring week card rib 8 of needle stand 7 be caught in the ring week card of 2 inner wall of cutting ferrule setting
In slot 21, needle tubing B will be punctured as a result, and seals secured connection with main channel port 11.Two of threeway plug valve under working condition
A sealed connection cranium pressure table or syringe, another connection using in access port stays liquid pipe.In the present embodiment, work
Under state, cranium pressure table 9 or syringe 5 are tightly connected using access port 13, another stays liquid pipe using the connection of access port 12
10。
Below in conjunction with attached drawing, illustrate the utility model in cranium pressure, injection is surveyed, stay liquid and cerebrospinal fluid displacement operation respectively
Using.
Fig. 5 is the structure diagram under the utility model survey cranium pressure application state.By the sealed end of application access port 13
Cap 3 is removed, and is tightly connected with cranium pressure table 9 by conduit.
During operation, waist is carried out first and bores puncture, inserts and punctures needle tubing B, verifies whether there is cerebrospinal fluid after inserting needle has breakthrough to feel
Outflow, when seeing cerebrospinal fluid, then according to Fig. 5 connection cranium pressures table 9, rotation cock switch 4 makes swing handle 41 be directed at main channel port 11,
43 alignment applications access port 13 of swing handle, at this point, main channel port 11 is connected with using access port 13, and swing handle 42 is hanging,
Using access port 12 end cap 3 is sealed to be closed and being stamped；It punctures needle tubing B to open, directly measures cranium pressure.It is closed after pressure measurement
Cock switch 4 removes cranium pressure table 9, and sealing end cap 3 is tightened on application access port 13.It is closed after due to pressure measurement
Cock switch 4, main channel port 11 is isolated from the outside, and prevents cerebrospinal fluid from flowing out, and prevents from infecting.
Fig. 6 is the structure diagram under the utility model injection application state.By the sealing end cap 3 of application access port 13
It removes, and is tightly connected with syringe 5.
When carrying out intrathecal injection, syringe 5 is tightly connected on application access port 13, rotation cock switch 4 makes swing handle
41 alignment main channel ports 11,43 alignment applications access port 13 of swing handle, main channel port 11 is with applying access port 13 at this time
Connection, and swing handle 42 is hanging, and end cap 3 is sealed to be closed and being stamped using access port 12；Cut-out tap switchs after injection
4, empty needle is removed, effectively liquid is avoided to flow out, prevents from infecting.The patient high to cranium pressure, can by control cock switch aperture
It is fast cerebrospinal fluid to be controlled to drip, effectively prevent hernia cerebri.
Fig. 7 is that the utility model stays structure diagram under liquid application state.By the sealing end cap 3 of application access port 12
It removes, and with liquid pipe 10 is stayed to connect.
When leaving and taking cerebrospinal fluid to carry out Bacteria Culture, sealing end cap 3, closing are covered using access port 13.Open application
The sealing end cap 3 of access port 12, and place stay liquid pipe 10 thereunder, rotation cock switch 4 makes swing handle 42 be directed at main channel
Port 11,41 alignment applications access port 12 of swing handle, main channel port 11 is connected with using access port 12 at this time, and swing handle 43
Vacantly, using access port 13 to be closed, and it is stamped sealing end cap 3.Using this structure, can be carried out repeatedly using cock switch 4
Cerebrospinal fluid is left and taken.Compared with the prior art, avoid inserting and extracting repeatedly needle core, reduce infection risk, while prevent csf flow
Go out.
It is identical with intrathecal injection operation with reference to figure 6 when needing to carry out cerebrospinal fluid displacement, by application access port 13 repeatedly
Saline injection, then, rotation cock switch 4 is closed using access port 13；According still further to Fig. 7, with leaving and taking cerebrospinal fluid operation
Identical, connection makes cerebrospinal fluid voluntarily flow out using access port 12, using the present apparatus, avoid the same passage of brine, cerebrospinal fluid into
Go out, reduce infection risk.
In conclusion the principle of the utility model is, the needle core of lumbar puncture needle of the prior art is replaced with into threeway
Plug valve has two using access port, respectively using access port equipped with sealing end cap 3.In operation, opened by changeover cock
4 are closed, is opened and closed in due course each using access port, realizes the conversion of different operating, is revolutionized and traditional inserted and extract repeatedly
The operation of needle core, reduce infection risk, especially main channel port through cock switch 4 with cranium pressure table 9, syringe 5, stay liquid test tube 10
Connection, can effectively be isolated from the outside world, further improve anti-infection performance, meanwhile, prevent cerebrospinal fluid from flowing out.In addition, can also it lead to
The aperture size of control cock switch 4 is crossed to control cerebrospinal fluid drop speed, higher patient can effectively prevent hernia cerebri for cranium pressure
It generates；Reach science, hygienic operation by rotating cock switch, realize humanized treatment, improve therapeutic quality.This reality
It is made of with new clinical common instrument, cost is relatively low, easy to operate, and controllability is strong, and security is good, possesses lumbar vertebrae puncture operating
Required institute is functional, improves operation convenience of knowing clearly, is directly abandoned so as to have higher success rate, after use, avoid polluting.
The above is only the preferred embodiment of the utility model, not to the structure and shape of the utility model
Make limitation in any form, it is every any simply to be repaiied to what above example was made according to the technical essence of the utility model
Change, equivalent variations and modification, in the range of still falling within technical solutions of the utility model.
Claims (2)
1. a kind of lumbar puncture needle for improving processing safety, including puncturing needle tubing, it is characterised in that also set up a three-way cock
Valve, the main channel port of the threeway plug valve are connected with the puncture needle tubing, two of the threeway plug valve under working condition
Using one in access port for connecting cranium pressure table or syringe, another stays liquid needle tubing for connecting；Off working state
Under two using access port, be closed by sealing end cap.
A kind of 2. lumbar puncture needle for improving processing safety according to claim 1, it is characterised in that the threeway rotation
Plug valve is disposable Medical tee cork valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463197.1U CN207429144U (en) | 2017-04-28 | 2017-04-28 | A kind of lumbar puncture needle for improving processing safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463197.1U CN207429144U (en) | 2017-04-28 | 2017-04-28 | A kind of lumbar puncture needle for improving processing safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207429144U true CN207429144U (en) | 2018-06-01 |
Family
ID=62394939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720463197.1U Expired - Fee Related CN207429144U (en) | 2017-04-28 | 2017-04-28 | A kind of lumbar puncture needle for improving processing safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207429144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022125937A1 (en) * | 2020-12-11 | 2022-06-16 | Vitara Biomedical, Inc. | Cannulation systems and methods |
-
2017
- 2017-04-28 CN CN201720463197.1U patent/CN207429144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022125937A1 (en) * | 2020-12-11 | 2022-06-16 | Vitara Biomedical, Inc. | Cannulation systems and methods |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201253379Y (en) | Vein indwelling path-way wash-pipe sealing device | |
| CN104841025A (en) | Device used for airtight lumbar puncturing and cerebrospinal fluid replacing | |
| CN207429144U (en) | A kind of lumbar puncture needle for improving processing safety | |
| CN206566293U (en) | Safe fluid path switches Dual-head infusion device | |
| CN206026783U (en) | Keep somewhere special tube sealing suit of central venous catheter | |
| CN203989224U (en) | Medical switch contacts | |
| CN203591486U (en) | Intravenous injector | |
| CN203525135U (en) | Blood-overflowing preventing Y-type connecting device for puncture needle | |
| CN206526088U (en) | A kind of lumbar puncture device | |
| CN205796117U (en) | Thoracocentesis abdominocentesis drain device | |
| CN102319146B (en) | Lacrimal passage tube | |
| CN203634543U (en) | Multifunctional cyst puncture device | |
| CN206315358U (en) | A kind of catheter | |
| CN206315288U (en) | Double end matches somebody with somebody liquid syringe | |
| CN208405371U (en) | Dispenser | |
| CN104800920A (en) | Multifunctional infusion set | |
| CN204618958U (en) | A kind of device for airtight lumbar puncture and cerebrospinal fluid displacement | |
| CN204723497U (en) | Multifunctional transfusion system | |
| CN203816080U (en) | Arteriovenous indwelling needle sealing plug | |
| CN202740035U (en) | Novel minimally-invasive pleural/peritoneal effusion drainage device | |
| CN201958984U (en) | Retaining type amniotic fluid drainage instrument | |
| CN103536983B (en) | H-matic pressure control infusion pump | |
| CN202223755U (en) | Medical multi-functional three-way valve | |
| CN204618353U (en) | A kind of puncture needle for CSF replacement | |
| CN205359995U (en) | dispensing device |
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: 20180601 Termination date: 20190428 |