CN217211684U - Double-groove puncture sampling needle - Google Patents
Double-groove puncture sampling needle Download PDFInfo
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- CN217211684U CN217211684U CN202220853210.5U CN202220853210U CN217211684U CN 217211684 U CN217211684 U CN 217211684U CN 202220853210 U CN202220853210 U CN 202220853210U CN 217211684 U CN217211684 U CN 217211684U
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- needle body
- pipe
- needle
- double
- sample
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- 238000005070 sampling Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 19
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 13
- 239000003814 drug Substances 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 description 3
- 238000005213 imbibition Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a double flute puncture sampling needle, including the needle body, the bottom of needle body is the taper shape, and the inside sample passageway of having seted up of needle body, and the surface of needle body has seted up the recess of taking a breath, and the top fixed mounting of needle body has the connecting pipe, and the surface cover of needle body is equipped with the operation sleeve pipe, and the annular mounting groove has been seted up to operation sheathed tube surface, and the inner wall fixed mounting of annular mounting groove has cyclic annular gasbag, and the surface of cyclic annular gasbag is provided with blast pipe and breathing pipe respectively, and the other end of breathing pipe and the top of connecting pipe intercommunication. This double flute puncture sampling needle through setting up needle body, sample passage and the recess of taking a breath, makes this sampling needle at the in-process of in-service use, can insert in the medicine bottle through the toper bottom of needle body to sample the liquid medicine through sample passage, can guarantee the inside and outside pressure of medicine bottle all the time simultaneously under the effect of two recesses of taking a breath and match, thereby the operating personnel of being convenient for is to the sample of liquid medicine.
Description
Technical Field
The utility model relates to a sampling needle technical field specifically is a double flute puncture sampling needle.
Background
Sampling refers to the process of extracting an individual or sample from a population, i.e., the process of testing or observing the population. Random sampling and non-random sampling.
When carrying out the selective examination to the liquid medicine in the hospital, need take a sample to the liquid medicine in the medicine bottle, traditional sampling mode is directly taken a sample through the syringe mostly, but because the inside of medicine bottle is seal structure, when adopting the syringe to take a sample, need the personnel of taking a sample to use great strength just can take out the liquid medicine, unusual inconvenience, the back is taken out to the liquid medicine moreover, and the broken condition of medicine bottle appears easily to the pressure reduction in the medicine bottle.
Therefore, we propose a double-groove piercing needle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double flute puncture sampling needle to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a double flute puncture sampling needle, including the needle body, the bottom of needle body is the taper shape, and the inside sample passageway of having seted up of needle body, the recess of taking a breath has been seted up to the surface of needle body, and the top fixed mounting of needle body has the connecting pipe, the surface cover of needle body is equipped with the operation sleeve pipe, and the annular mounting groove has been seted up to the sheathed tube surface of operation, the inner wall fixed mounting of annular mounting groove has cyclic annular gasbag, the surface of cyclic annular gasbag is provided with blast pipe and breathing pipe respectively, and the other end of breathing pipe and the top intercommunication of connecting pipe, the surface of needle body is provided with the drain pipe with the sample passageway intercommunication.
Preferably, the number of the air exchange grooves is two, and the two air exchange grooves are symmetrically arranged on the outer surface of the needle body.
Preferably, the surfaces of the exhaust pipe and the air suction pipe are respectively provided with an exhaust one-way valve and an air suction one-way valve.
Preferably, the end part of the liquid outlet pipe is provided with a connecting joint connected with an external sample bottle, and the surface of the liquid outlet pipe is provided with a liquid outlet one-way valve.
Preferably, the inner wall of the connecting pipe is provided with a breathable waterproof film.
Preferably, the inner wall of the annular air bag is provided with a plurality of return springs, and the return springs are arranged on the inner wall of the annular air bag in a circumferential array.
Advantageous effects
The utility model provides a double flute puncture sampling needle possesses following beneficial effect:
1. this double flute puncture sampling needle through setting up needle body, sample passage and the recess of taking a breath, makes this sampling needle at the in-process of in-service use, can insert in the medicine bottle through the toper bottom of needle body to sample the liquid medicine through sample passage, can guarantee the inside and outside pressure of medicine bottle all the time simultaneously under the effect of two recesses of taking a breath and match, thereby the operating personnel of being convenient for is to the sample of liquid medicine.
2. This double flute puncture sampling needle, through setting up the connecting pipe, the operation sleeve pipe, cyclic annular gasbag, the blast pipe, the breathing pipe, the drain pipe, exhaust check valve, the check valve of breathing in, attach fitting, play liquid check valve and reset spring, make this sampling needle at the in-process of in-service use, back in inserting the medicine bottle with the needle body, can make the air in the cyclic annular gasbag pass through the blast pipe discharge back through the cyclic annular gasbag of hand extrusion, cyclic annular gasbag can resume the normal position under reset spring's effect, thereby carry out the imbibition through the breathing pipe to the inside of medicine bottle, make the liquid medicine pass through in the sample passage, and flow in the outside sample bottle through going out the liquid pipe, realize automatic sampling's purpose, further provide convenience for operating personnel.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
fig. 3 is a schematic view of the cross-sectional structure of the annular air bag of the present invention.
In the figure: the device comprises a needle body 1, a sampling channel 2, a ventilation groove 3, a connecting pipe 4, an operation sleeve 5, an annular air bag 6, an exhaust pipe 7, an air suction pipe 8, a liquid outlet pipe 9, an exhaust one-way valve 10, an air suction one-way valve 11, a connecting joint 12, a liquid outlet one-way valve 13 and a return spring 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a double flute puncture sampling needle, includes needle body 1, and the bottom of needle body 1 is the taper shape, and 1 inside sample passageway 2 of having seted up of needle body, and the surface of needle body 1 has seted up the recess 3 of taking a breath, and the quantity of the recess 3 of taking a breath is two, and two recess 3 symmetries of taking a breath are seted up at the surface of needle body 1.
Through setting up needle body 1, sample passage 2 and recess 3 of taking a breath, make this sampling needle at the in-process of in-service use, can insert in the medicine bottle through needle body 1's toper bottom to sample the liquid medicine through sample passage 2, can guarantee the inside and outside pressure of medicine bottle all the time simultaneously under two effects of recess 3 of taking a breath and match, thereby be convenient for operating personnel to the sample of liquid medicine.
And the top end of the needle body 1 is fixedly provided with a connecting pipe 4, and the inner wall of the connecting pipe 4 is provided with a breathable waterproof membrane.
The surface cover of needle body 1 is equipped with operation sleeve pipe 5, and the surface of operation sleeve pipe 5 has seted up annular mounting groove, and the inner wall fixed mounting of annular mounting groove has cyclic annular gasbag 6, and the inner wall of cyclic annular gasbag 6 is provided with a plurality of reset spring 14, and a plurality of reset spring 14 is the inner wall that the circumference array set up at cyclic annular gasbag 6.
The surfaces of the annular air bag 6 are respectively provided with an exhaust pipe 7 and an air suction pipe 8, and the surfaces of the exhaust pipe 7 and the air suction pipe 8 are respectively provided with an exhaust one-way valve 10 and an air suction one-way valve 11.
And the other end of the air suction pipe 8 is communicated with the top end of the connecting pipe 4, and the outer surface of the needle body 1 is provided with a liquid outlet pipe 9 communicated with the sampling channel 2.
The end of the liquid outlet pipe 9 is provided with a connecting joint 12 connected with an external sample bottle, and the surface of the liquid outlet pipe 9 is provided with a liquid outlet one-way valve 13.
Through setting up connecting pipe 4, operation sleeve 5, cyclic annular gasbag 6, blast pipe 7, breathing pipe 8, drain pipe 9, exhaust check valve 10, the check valve 11 of breathing in, connector 12, play liquid check valve 13 and reset spring 14, make this sample needle at the in-process of in-service use, after inserting needle body 1 in the medicine bottle, can make the air in the cyclic annular gasbag 6 through the annular gasbag of hand extrusion through the blast pipe 7 back of discharging, cyclic annular gasbag 6 can resume the normal position under reset spring 14's effect, thereby carry out the imbibition to the inside of medicine bottle through breathing pipe 8, make the liquid medicine pass through in sampling channel 2, and in flowing to outside sample bottle through drain pipe 9, realize the purpose of automatic sampling, further facilitate for operating personnel.
The working principle is as follows: this sampling needle is at the in-process of in-service use, can insert in the medicine bottle through needle body 1's toper bottom, and take a sample to the liquid medicine through sampling channel 2, simultaneously can guarantee all the time that the inside and outside pressure of medicine bottle is equal under two recess 3's of taking a breath effect, thereby be convenient for operating personnel to the sample of liquid medicine, and after inserting needle body 1 in the medicine bottle, can make the air in the cyclic annular gasbag 6 through hand extrusion cyclic annular gasbag through blast pipe 7 discharge backs, cyclic annular gasbag 6 can resume the normal position under reset spring 14's effect, thereby carry out the imbibition to the inside of medicine bottle through breathing pipe 8, make the liquid medicine pass through in sampling channel 2, and flow to outside sample bottle in through drain pipe 9, realize automatic sampling's purpose, further provide convenience for operating personnel.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a double flute puncture sampling needle, includes needle body (1), its characterized in that: the bottom of needle body (1) is the taper shape, and inside sample passageway (2) of having seted up of needle body (1), the surface of needle body (1) has been seted up and has been taken a breath recess (3), and the top fixed mounting of needle body (1) has connecting pipe (4), the surface cover of needle body (1) is equipped with operation sleeve pipe (5), and the surface of operation sleeve pipe (5) has seted up the annular mounting groove, the inner wall fixed mounting of annular mounting groove has cyclic annular gasbag (6), the surface of cyclic annular gasbag (6) is provided with blast pipe (7) and breathing pipe (8) respectively, and the other end of breathing pipe (8) and the top of connecting pipe (4) intercommunication, the surface of needle body (1) is provided with drain pipe (9) with sample passageway (2) intercommunication.
2. A double-notch piercing needle as claimed in claim 1, wherein: the number of the air exchange grooves (3) is two, and the two air exchange grooves (3) are symmetrically arranged on the outer surface of the needle body (1).
3. A double-notch piercing needle as claimed in claim 1, wherein: and the surfaces of the exhaust pipe (7) and the air suction pipe (8) are respectively provided with an exhaust one-way valve (10) and an air suction one-way valve (11).
4. A double-notch piercing needle as defined in claim 1, wherein: the end part of the liquid outlet pipe (9) is provided with a connecting joint (12) connected with an external sample bottle, and the surface of the liquid outlet pipe (9) is provided with a liquid outlet one-way valve (13).
5. A double-notch piercing needle as defined in claim 1, wherein: the inner wall of the connecting pipe (4) is provided with a breathable waterproof film.
6. A double-notch piercing needle as claimed in claim 1, wherein: the inner wall of the annular air bag (6) is provided with a plurality of reset springs (14), and the reset springs (14) are arranged on the inner wall of the annular air bag (6) in a circumferential array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853210.5U CN217211684U (en) | 2022-04-13 | 2022-04-13 | Double-groove puncture sampling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853210.5U CN217211684U (en) | 2022-04-13 | 2022-04-13 | Double-groove puncture sampling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217211684U true CN217211684U (en) | 2022-08-16 |
Family
ID=82773287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220853210.5U Active CN217211684U (en) | 2022-04-13 | 2022-04-13 | Double-groove puncture sampling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217211684U (en) |
-
2022
- 2022-04-13 CN CN202220853210.5U patent/CN217211684U/en active Active
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