CN206275704U - A kind of collection system that cerebrospinal fluid is collected for lumbar puncture - Google Patents
A kind of collection system that cerebrospinal fluid is collected for lumbar puncture Download PDFInfo
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- CN206275704U CN206275704U CN201620925428.1U CN201620925428U CN206275704U CN 206275704 U CN206275704 U CN 206275704U CN 201620925428 U CN201620925428 U CN 201620925428U CN 206275704 U CN206275704 U CN 206275704U
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- test tube
- cerebrospinal fluid
- tube
- drainage tube
- lumbar puncture
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Abstract
The utility model discloses a kind of collection system that cerebrospinal fluid is collected for lumbar puncture, including the puncture needle for lumbar puncture, Aculeata is punctured to be connected with drainage tube, the drainage tube other end leads to test tube, the lid for covering test tube is additionally provided with drainage tube, test tube sets some groups on rack for test tube by rectangular array, and the liquid outlet of drainage tube is directly communicated to test tube, collection process not only reduced the touch opportunity of cerebrospinal fluid and air but also alleviate doctor work it is strong；Some groups of test tubes are arranged on rack for test tube, using the length advantage of drainage tube, the liquid outlet of drainage tube can be promptly switched between test tube, multigroup sample is collected easily, this utility model is used for medical Instrument field.
Description
Technical field
The utility model is related to medical Instrument field, more particularly to a kind of collection that cerebrospinal fluid is collected for lumbar puncture
System.
Background technology
Lumbar puncture art is one of conventional inspection method of Neurological Clinics, is usually used in checking the property of cerebrospinal fluid, to examining
The nervous system diseases such as disconnected intracranial infection, cerebrovascular disease, brain tumor are significant, and are also used for intrathecal injection medicine.Face
On bed, after lumbar puncture success, still suffer from several common problems demands and solve：
The way of doctor be lumbar puncture success after, it is ensured that puncture needle is parallel with bed surface, cerebrospinal fluid from puncture Aculeata
Flow out and drip vertically, the hand-held test tube of doctor judges the position that cerebrospinal fluid drips below puncture backshank, close proximity to tailpin,
The distance of cerebrospinal fluid and air contact is reduced, and prevents cerebrospinal fluid from dripping outside test tube；If patient fails to keep back to be hung down with bed surface
When straight, puncture needle then can not be parallel with bed surface and to become to puncture high tilting of Aculeata be higher than point of puncture, and cerebrospinal fluid is from backshank stream
Puncture Aculeata is collected at after going out, now cerebrospinal fluid dripping position then can not accurately be judged；If patient is because clouding of consciousness restless
And body does not stop twisting, doctor is then more difficult to adjust test tube position in time and collects cerebrospinal fluid.Cerebrospinal fluid is difficult to drip in test tube
And be dropped on aseptic drape, the waste of cerebrospinal fluid has both been caused, also result in cerebrospinal fluid and splash increases the possibility of humoral pollution
Property.
Connect with air during drippage by access test tube, cerebrospinal fluid after several centimeters while cerebrospinal fluid drops down in the air
After touch easily by the pathogen contamination in air, such as, the smear for cerebrospinal fluid clinically often occur finds acid-fast bacilli or culture
Go out certain bacterium, Physician Global is judged as that sample pollutes, i.e., sample no longer has referential.
The general doctor before cerebrospinal fluid is collected can measure the pressure of cerebrospinal fluid first, in the past the mistake of measurement cerebrospinal pressure
Journey, is that head and the tail connect three glass tubules, every 20 centimetres of pipe range, totally 60 centimetres after coupling together, after doctor connects three pipes
Scale is read, when there is connecting untight situation in three junctions of glass tube, cerebrospinal fluid seepage, so as to mislead doctor sentence
The hypotony of disconnected cerebrospinal fluid.And doctor occur once in a while taking, when connecting, removing three glass tubes glass tube collide with each other,
Fall on ground, be broken into several sections of situation, both increased the potential risk that sharp keen equipment damages medical worker, cerebrospinal fluid is caused again
The humoral pollution of splashing.
When the state of an illness needs to collect multigroup samples of CSF, doctor take repeatedly sky test tube, remove cotton balls, receive cerebrospinal fluid,
Holding test tubes to rack for test tube etc. is operated, and easily operational error is occurred and is caused test tube to incline, and cerebrospinal fluid is absorbed by cotton balls, both reduces
Specimen amount influences assay again.When cerebrospinal fluid is collected, doctor's double lower limb is separated, is close to edge of bed, lean forward anteflexion, hand above the waist
Arm sling is empty, if the clinician body fixation operating time is long, the phenomenons such as pain in back and loin, arm are ached or even both hands tremble easily occurs,
Doctor blocks nook closing member pausing operation sometimes, has a short interval, and is further continued for collecting cerebrospinal fluid, then stands sometimes and aches, and works on.
Utility model content
The purpose of this utility model be provide one kind can mitigate doctor's labour intensity, improve cerebrospinal fluid collection efficiency and
The collection system that cerebrospinal fluid is collected for lumbar puncture of quality.
Technical solution adopted in the utility model is：
A kind of collection system that cerebrospinal fluid is collected for lumbar puncture, including for the puncture needle of lumbar puncture, puncture needle
Afterbody is connected with drainage tube, and the drainage tube other end leads to test tube, and the lid for covering test tube is additionally provided with drainage tube, some
Group test tube is arranged on rack for test tube by rectangular array.
The improvement of technical solutions of the utility model is further used as, the conducting of control drainage tube is provided with drainage tube or is closed
Spring clip.
The improvement of technical solutions of the utility model is further used as, lid is round platform, and round platform small end can be embedded in the bottle of test tube
Mouthful.
The improvement of technical solutions of the utility model is further used as, the bore with diameter greater than test tube of lid can cover examination
The bore of pipe, the edge of lid has baffle plate of the opening towards test tube.
It is further used as the improvement of technical solutions of the utility model, the circle for being provided centrally with being easy to drainage tube to pass through of lid
Hole.
The improvement of technical solutions of the utility model is further used as, lid is fixed with drainage tube and formed a whole.
The improvement of technical solutions of the utility model is further used as, drainage tube is marked with size scale.
The improvement of technical solutions of the utility model is further used as, rack for test tube includes base plate and top board, and top board has to be used for
The circular hole of positioning test tube, is provided with the measurement plate for measuring liquid level in test tube between base plate and top board.
The improvement of technical solutions of the utility model is further used as, measurement plate has the circular hole for being easy to test tube to pass through, measurement
Plate adjusts upper-lower height by the regulating bolt being arranged on rack for test tube.
The beneficial effects of the utility model：This is used for lumbar puncture and collects the collection system of cerebrospinal fluid in puncture needle and test tube
Between be provided with drainage tube, be easy to cerebrospinal fluid to flow directly into test tube, collection process had both reduced contact machine of the cerebrospinal fluid with air
The work that doctor can again be alleviated is strong；Some groups of test tubes are arranged on rack for test tube, using the length advantage of drainage tube, Neng Gouxun
Fast ground switches the liquid outlet of drainage tube between test tube, and multigroup sample is collected easily.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure figure of the utility model embodiment.
Specific embodiment
Reference picture 1, the utility model is a kind of collection system that cerebrospinal fluid is collected for lumbar puncture, including for lumbar vertebrae
The puncture needle 1 of puncture, drainage tube 2 is connected by interference fits with puncture needle 1, specially the afterbody of puncture needle 1 cylindrical hole before this
It is conical bore to expand outwardly again, and cylinder axis is again cone-shaped, the cylinder axis insertion puncture needle 1 of drainage tube 2 to the head of drainage tube 2 before this
Afterbody formed interference fits, tapered slope can effectively offset appearance and size generation error, make drainage tube 2 and puncture needle
1 is brought into close contact, and prevents liquid leakage.Drainage tube 2 uses PVC materials.Specifically can refer to life institute of traditional Chinese medicine conventional syringe needle and pin
Cooperation between pipe, here is omitted.
The spring clip 3 for controlling drainage tube 2 to turn on or close is provided with drainage tube 2, spring clip 3 is scissor structure,
Spring clip 3 includes two hinged quarter butts, and the hinged place of spring clip 3 is provided with torsion spring so that two quarter butts of spring clip 3
Can naturally merge, produce chucking power.The clamping face polishing of wherein two quarter butts is plane, when drainage tube 2 is clamped, clamping face
The extruding drainage tube 2 of energy maximum area, realizes good current limitation effect.When spring clip 3 is not used, you can spring clip 3 is led to
Cross winding cord to tie up on drainage tube 2, also spring clip 3 can be separated and is placed on elsewhere.
Puncture needle 1 punctures into cavum subarachnoidale, and under cerebrospinal pressure effect, cerebrospinal fluid can flow out naturally, by drainage
2 connecting puncture needle of pipe 1 collects cerebrospinal fluid, can tackle patient body and rock or even body is significantly twisted because mismatching, and draws
Flow liquid will not be scattered and waste or drip on aseptic drape completely, will not produce humoral pollution；The liquid outlet of drainage tube 2 is placed
To in test tube 5, contact of the cerebrospinal fluid with air can be reduced, it is to avoid the cerebrospinal fluid of collection is contaminated, the cerebrospinal fluid that raising is collected into
Quality.For doctor, the both hands of doctor have been liberated in the design, it is no longer necessary to which doctor keeps double lower limb to separate, be close to bed
Along the posture such as, the anteflexion, arm of leaning forward above the waist is hanging, doctor adjust once in a while drainage tube 2 can completion collection work, alleviate doctor
Raw labour intensity.
As the utility model preferred embodiment, to reduce contact of the cerebrospinal fluid with air, also set up on drainage tube 2
There is the lid 4 for blocking test tube 5.Its structure is passed through for drainage tube 2 from the center of lid 4.Lid 4 use PVC materials, have with
Both embodiments lower：
One is, lid 4 is made the edge of thin rounded flakes, the bottleneck diameter with diameter greater than test tube 5 of thin slice, and thin slice
Baffle plate is bent out, it is cross recess that lid 4 needs the center passed through by drainage tube 2.Laminar PVC material has elasticity,
After cross recess is made at center, the swingable projection of pintongs is centrally formed, after drainage tube 2 is passed through into lid 4, pintongs projection meeting
Naturally it is convex toward the direction of insertion of drainage tube 2.Because pintongs projection with drainage tube 2 after combining, pintongs projection is softened and fits
The tube wall of drainage tube 2, forms effective frictional contact surface, i.e. drainage tube 2 and easily propagates through lid 4, is difficult to extract out with drainage tube 2.
Cross recess can effectively prevent the Automatic-falling of drainage tube 2, improve the security of collection process.The edge of thin slice also bends out simultaneously
The baffle plate being open towards test tube 5, the baffle plate can comprehensively shelter from the bottleneck of test tube 5；If need not be bent in chip edge
Go out baffle plate, it is also possible to slightly increase wafer diameters.
Two are, lid 4 made into the suitable round platform of thickness, 5 °~15 ° of round platform gradient, thickness about 1cm, and round platform bottom surface is most
Major diameter ensures the most of bottleneck that can be embedded in test tube 5 of lid 4 slightly larger than the bottleneck diameter of test tube 5, and the center of lid 4 is
Manhole, forms slight interference fits between the manhole and drainage tube 2, drainage tube 2 should be easy to be manually inserted into,
Extract out, prevent drainage tube 2 from coming off naturally again.Lid 4 in the present embodiment is also adopted by PVC materials.The lid 4 of frustum cone structure has
Have and effect is more firmly fixed, doctor only needs to place test tube 5, just can be collected.
As the utility model preferred embodiment, lid 4 is fixed with drainage tube 2 and is formed a whole.Both
Injection moulding is unified by mould during manufacture, i.e., both unify to pack when dispatching from the factory, and are avoided two when doctor uses again
It is cumbersome that person assembles.
As the utility model preferred embodiment, drainage tube 2 is marked with size scale.Specifically, drainage tube 2 is marked
It is the other centimeter scale of grade to have with minimum scale.After the success of lumbar puncture art, doctor measures cerebrospinal pressure first
The work of power, doctor fixes the junction of puncture needle 1 and its afterbody and drainage tube 2 on the other hand, and another hand holds the end of drainage tube 2
Lift straight up.The liquid level that doctor's reading cerebrospinal fluid rises in drainage tube 2, and the pressure of cerebrospinal fluid is converted into, it
Start to collect cerebrospinal fluid again afterwards.
During the collection of cerebrospinal fluid, generally require separate collection, preserve 3~6 parts of samples, different grinding is done respectively
Study carefully, test, to improve the operating efficiency of doctor, six groups of equal rectangular arrays of test tube 5 as the utility model preferred embodiment
It is placed on rack for test tube, the mouth of pipe of each test tube 5 is equipped with aseptic cotton balls 10, i.e. doctor's insertion drainage tube 2 and collects cerebrospinal fluid
When remove aseptic cotton balls 10 temporarily, collected cerebrospinal fluid after again by aseptic cotton balls 10 be placed in test tube 5 the mouth of pipe be used for it is dust-proof, examination
Pipe blocks test tube mouthful after collecting cerebrospinal fluid successively with aseptic cotton balls 10.Rack for test tube plays a part of support, positioning test tube 5, test tube
Frame improves rack for test tube deadweight using the larger PVC material of density, improves the stability of rack for test tube.The rack for test tube of the present embodiment includes
Top board 6 and base plate 8, top board 6 have six circular holes of receiving test tube 5, and the Circularhole diameter of top board 6 is slightly larger than the diameter of test tube 5, just
In placement, test tube 5 is taken out, by being arranged on 8 four support bar groups of corner of base plate into open examination between top board 6 and base plate 8
Pipe support.Measurement plate 7 is additionally provided between top board 6 and base plate 8, measurement plate 7 is also provided with the circular hole for being easy to test tube 5 to pass through, measurement
The Circularhole diameter of plate 7 is also slightly greater than the diameter of test tube 5, and the both sides for measuring plate 7 are provided with the regulation of the height of degree of regulation template 7
Bolt 9, regulating bolt 9 snaps in top board 6 by groove, even if making regulating bolt 9 in rotation, its relative position with top board 6 is not
Can change.Now, change position is the measurement plate 7 being bolted with regulating bolt 9.
Measurement plate 7 effect is easy for observing, determines whether the cerebrospinal fluid being collected into reaches the amount of sample requirement, principle is very
Simply, measurement plate 7 moves up and down the volume for determining that height can correspond to the cerebrospinal fluid that test tube 5 is collected into, and doctor when in use, can
With it is more accurate, be intuitively collected into required specimen amount, improve operating efficiency, reduce human operational error.Collect very few leading
Insufficient sample is caused to complete all experimentss；Collection excessively may result in patient's low intracranial pressure.Secondary strategic point, measurement plate 7 can also enter
One step positioning test tube 5, prevents its run-off the straight.In the present embodiment, measure plate 7 and be also adopted by PVC material, and make thickness and be
The laminar cuboid of 2mm, but in order to ensure to measure the screwed hole stability in use of plate 7, screwed hole junction needs
The thickness of 4mm.
In the present embodiment, the selection diameter of test tube 5 2cm, the test tube of height 10cm；The 60cm long of drainage tube 2；Rack for test tube length is about
15cm, width about 9cm, height about 8cm；The diameter of regulating bolt 9 about 4mm.
Certainly, the design is created and is not limited to above-mentioned implementation method, and those of ordinary skill in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of utility model spirit, these equivalent modifications or replacement are all contained in the application
In claim limited range.
Claims (9)
1. it is a kind of for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：Including the puncture for lumbar puncture
Pin（1）, the puncture needle（1）Afterbody and drainage tube（2）Connection, the drainage tube（2）The other end lead to test tube（5）, institute
State drainage tube（2）On be additionally provided with for covering the test tube（5）Lid（4）, test tube described in some groups（5）By rectangle battle array
Row are arranged on rack for test tube.
2. it is according to claim 1 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The drainage
Pipe（2）On be provided with control drainage tube（2）Conducting or the spring clip of closing（3）.
3. it is according to claim 1 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The lid
（4）It is round platform, the small end of the round platform can be embedded in the test tube（5）Bottleneck.
4. it is according to claim 1 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The lid
（4）With diameter greater than the test tube（5）Bore, the test tube can be covered（5）Bore, the lid（4）Edge have
It is open towards the test tube（5）Baffle plate.
5. according to claim 3 or 4 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：It is described
Lid（4）Be provided centrally be easy to the drainage tube（2）The circular hole for passing through.
6. it is according to claim 5 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The lid
（4）With drainage tube（2）Fixation forms a whole.
7. the collection system that cerebrospinal fluid is collected for lumbar puncture according to any one of Claims 1 to 4, its feature exists
In：The drainage tube（2）Upper mark has.
8. it is according to claim 1 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The test tube
Frame includes base plate（8）And top board（6）, the top board（6）With for positioning the test tube（5）Circular hole, the base plate（8）With
The top board（6）Between be provided with for measuring the test tube（5）The measurement plate of middle liquid level（7）.
9. it is according to claim 8 for lumbar puncture collect cerebrospinal fluid collection system, it is characterised in that：The measurement
Plate（7）With being easy to the test tube（5）The circular hole for passing through, the measurement plate（7）By the regulation being arranged on the rack for test tube
Bolt（9）Regulation upper-lower height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925428.1U CN206275704U (en) | 2016-08-23 | 2016-08-23 | A kind of collection system that cerebrospinal fluid is collected for lumbar puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620925428.1U CN206275704U (en) | 2016-08-23 | 2016-08-23 | A kind of collection system that cerebrospinal fluid is collected for lumbar puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206275704U true CN206275704U (en) | 2017-06-27 |
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ID=59084959
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620925428.1U Active CN206275704U (en) | 2016-08-23 | 2016-08-23 | A kind of collection system that cerebrospinal fluid is collected for lumbar puncture |
Country Status (1)
| Country | Link |
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| CN (1) | CN206275704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523937A (en) * | 2018-05-25 | 2018-09-14 | 予果生物科技（北京）有限公司 | Cerebrospinal fluid extraction device |
| CN110236598A (en) * | 2019-06-17 | 2019-09-17 | 上海市同济医院 | Experimental animal body fluid acquires needle assemblies |
-
2016
- 2016-08-23 CN CN201620925428.1U patent/CN206275704U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523937A (en) * | 2018-05-25 | 2018-09-14 | 予果生物科技（北京）有限公司 | Cerebrospinal fluid extraction device |
| CN108523937B (en) * | 2018-05-25 | 2023-09-19 | 予果生物科技（北京）有限公司 | cerebrospinal fluid extractor |
| CN110236598A (en) * | 2019-06-17 | 2019-09-17 | 上海市同济医院 | Experimental animal body fluid acquires needle assemblies |
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