CN206832516U - Sampling apparatus and device for analyzing samples - Google Patents
Sampling apparatus and device for analyzing samples Download PDFInfo
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- CN206832516U CN206832516U CN201720499795.4U CN201720499795U CN206832516U CN 206832516 U CN206832516 U CN 206832516U CN 201720499795 U CN201720499795 U CN 201720499795U CN 206832516 U CN206832516 U CN 206832516U
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- needle tubing
- sampling apparatus
- joint
- needle
- flexible pipe
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Abstract
It the utility model is related to a kind of sampling apparatus, including piercing mechanism, the piercing mechanism includes needle tubing, the needle tubing includes puncture portion and is connected to the bar portion of the afterbody in puncture portion, the axially arranged passage for running through bar portion and extending to puncture portion of the needle tubing interior edge needle tubing, the outside wall surface in the puncture portion is provided with the opening connected with passage, and groove is recessed in the outside wall surface of the bar portion.The utility model further relates to a kind of device for analyzing samples.Needle tubing in above-mentioned sampling apparatus is recessed the groove as venting channels from outside wall surface, is directly opened in the outside wall surface of needle tubing, the structure of needle tubing can be made simple, easy to process.
Description
Technical field
Medical instruments field is the utility model is related to, more particularly to a kind of sampling cartridge being applied in medical treatment detection device
Put and device for analyzing samples.
Background technology
Blood cell analyzer equal samples analytical equipment needs to draw sample using sampling apparatus.Sample is typically stored in band
In the sample container for having the sealings such as serum cap or rubber stopper.Sampling apparatus is entered using piercing mechanism draws sample in sample container
This.Its needle tubing of existing piercing mechanism has sampling channel and venting channels dual pipe simultaneously, and venting channels are used for balance sample
With extraneous pressure inside container, it is easy to sample to be circulated in sampling channel.The setting of this dual pipe causes needle tubing structure to be answered
Miscellaneous, cost is higher.
Utility model content
Based on this, it is necessary to for the problem of needle tubing in existing sampling apparatus is complicated, cost is higher, there is provided one
The sampling apparatus that kind is simple in construction, cost is low and the device for analyzing samples with above-mentioned sampling apparatus.
A kind of sampling apparatus, including piercing mechanism, the piercing mechanism include needle tubing, and the needle tubing includes puncture portion and company
The bar portion of the afterbody in puncture portion is connected on, the axially arranged of the needle tubing interior edge needle tubing runs through bar portion and extend to the logical of puncture portion
Road, the outside wall surface in the puncture portion are provided with the opening connected with passage, groove are recessed in the outside wall surface of the bar portion.
In one of the embodiments, the opening is at least two, and the axial direction of relative needle tubing is symmetrical set.
In one of the embodiments, the groove is along the axially extending of needle tubing, the groove at least two, and relative pin
The axial direction of pipe is symmetrical set.
In one of the embodiments, the piercing mechanism also includes needle cap, the flexible pipe being arranged in needle cap, and fluid path
Joint, one end of needle cap are connected with needle tubing, and flexible pipe is docked with the passage in needle tubing, and the fluid path joint is arranged on pin
The other end of cap is used to fix the flexible pipe.
In one of the embodiments, the path for the passage for connecting the flexible pipe and needle tubing is set in needle cap, it is described
Needle cap includes the second end of first end and bending connection, and the path extends through first end and the second end, the first end with
Needle tubing connects, and the flexible pipe is arranged on the second end.
In one of the embodiments, it is described soft for fixing and sealing to be arranged on second end for the fluid path joint
Pipe, the fluid path joint include the first joint and the second joint, and first joint and the second joint open up through hole, described
First adaptor cup jointing flexible pipe, second joint are arranged the first joint, and the second end supported after the first joint with needle cap is fixed
Connection.
In one of the embodiments, the piercing mechanism also includes support, fastener, insulation board and sheath, described tight
One end of the support is connected in needle cap by firmware, and the insulation board and sheath are arranged on the other end of the support.
In one of the embodiments, in addition to wiper mechanism, the wiper mechanism include body, cover plate and bottom plate, institute
The cleaning chamber set in body through body both ends is stated, the cover plate and bottom plate set up separately at body both ends to close the cleaning
Chamber, the cover plate and bottom plate are provided with the perforation plugged for needle tubing, and described body sidewall is provided with inlet and leakage fluid dram.
In one of the embodiments, the cover plate is provided with fixing groove, and the fixing groove is used to be fastened on sampling apparatus
Support body on.
A kind of device for analyzing samples, include the above-mentioned sampling apparatus of any one.
Needle tubing in above-mentioned sampling apparatus is recessed the groove as venting channels from outside wall surface, is directly opened in needle tubing
Outside wall surface on, the structure of needle tubing can be made simple, easy to process.
Brief description of the drawings
Fig. 1 is the dimensional decomposition structure diagram of the piercing mechanism for the sampling apparatus that the embodiment of the utility model one provides.
Fig. 2 is the schematic cross-sectional view after the combination of piercing mechanism shown in Fig. 1.
Fig. 3 is the partial cutaway view schematic of the needle tubing in piercing mechanism shown in Fig. 1.
Fig. 4 is the schematic cross-section of the line C-C along Fig. 3.
Fig. 5 is the dimensional decomposition structure diagram of the wiper mechanism for the sampling apparatus that the embodiment of the utility model one provides.
Fig. 6 is the schematic cross-sectional view for the sampling apparatus that the embodiment of the utility model one provides.
Embodiment
As depicted in figs. 1 and 2, a kind of sampling apparatus that the embodiment of the utility model one provides, set applied to medical treatment detection
In standby, sampling apparatus includes piercing mechanism 10, and the piercing mechanism 10, which is used to be pierced into sealing container, draws sample.
The piercing mechanism 10 includes needle tubing 11, transition sleeve 12, outer tube 13, needle cap 14, flexible pipe 141, fluid path joint 15, branch
Frame 16, fastener 17, insulation board 18 and sheath 19.
The transition sleeve 12 is set on the needle tubing 11, and the outer tube 13 is set on transition sleeve 12.The transition sleeve
12 be insulator, and the needle tubing 11 and outer tube 13 are conductor, and detection electric capacity can be formed between needle tubing 11 and outer tube 13.Inhaling
This when is sampled, because general biological specimen is respectively provided with electric conductivity, needle tubing 11, which touches sample, can cause detection electric capacity to change, thus
It can be used for judging whether needle tubing 11 successfully contacts sample.
The flexible pipe 141 is arranged in needle cap 14, and one end of needle cap 14 abuts with transition sleeve 12, and makes flexible pipe 141
One end connected with needle tubing 11.The other end of the flexible pipe 141 is fixed in needle cap 14 by fluid path joint 15, the flexible pipe 141
For connecting the Hydraulic Elements in medical treatment detection device, the sample that needle tubing 11 is drawn is delivered to medical treatment detection by flexible pipe 141 and set
Detected, analyzed in standby testing agency.
One end of the support 16 is fixedly connected in needle cap 14 by fastener 17, the other end of the support 16
For connecting the other structures of sampling apparatus such as actuator.When sampling apparatus works, actuator drives support 16, needle cap
14th, these elements of needle tubing 11 move together, and needle tubing 11 is pierced into the absorption for carrying out sample in sealing container.Insulation board 18 and shield
Set 19 is arranged on the other end of support 16, for electrically completely cutting off the other structures such as actuator of support 16 and sampling apparatus
Deng, thus can prevent that needle cap 14, needle tubing 11 from being disturbed by other conducting elements, avoid the inspection formed between needle tubing 11 and outer tube 13
Electric capacity is surveyed by noise effect.
With reference to Fig. 3 and Fig. 4, the needle tubing 11 includes puncture portion 111 and is connected to the tail end 117 in puncture portion 111
Bar portion 112, the axial direction (direction shown in horizontal dotted line in Fig. 3) of the interior edge needle tubing 11 of needle tubing 11, which is set, runs through the He of bar portion 112
The passage 113 in puncture portion 111 is extended to, the outside wall surface in the puncture portion 111 is provided with the opening 114 connected with passage 113.Institute
Transition sleeve 12 is stated to be set on the one end of the bar portion 112 of needle tubing 11 away from puncture portion 111.The sample of absorption is opened by needle tubing 11
Mouth 114 enters passage 113, until the flexible pipe 141 connected with passage 113.
The outside wall surface of the bar portion 112 is concavely provided with groove 115.The groove 115 is used to be pierced into sealing appearance in needle tubing 11
After device, communication seals container is inside and outside, and the pressure and ambient exterior atmospheric pressure for making sealed container interior balance, consequently facilitating inhaling
Sampling is originally.
The tip 116 in the puncture portion 111 is used for puncture seal container.The size in the puncture portion 111 from tail end 117 to
Tip 116 is gradually reduced, in favor of puncturing.Sample in sealing container enters passage 113 from opening 114, then by the passage
113 flexible pipes 141 flowing in needle cap 14, and finally it is delivered to the testing agency of medical treatment detection device.
Sampling apparatus provided by the utility model, the passage 113 of its needle tubing 11 are arranged on the inside of needle tubing 11 and led to as sampling
Road, and the groove 115 of needle tubing 11 is directly opened in the outside wall surface of needle tubing 11, so from outside wall surface indent as venting channels
Setting can make the structure of needle tubing 11 simple, easy to process, the means such as be combined again without such as conventional syringe setting dual structure
To set sampling, venting channels.
In certain embodiments, the opening 114 connected with passage 113 can be one, or two or three etc.
Varying number.When opening 114 is at least two, 114 position of being open can be symmetrical set with respect to the axial direction of needle tubing 11.
The groove 115 is axially extending along needle tubing 11 and linear.In certain embodiments, the groove 115 is extremely
It is few two, and the axial direction of relative needle tubing 11 is symmetrical set.In some other embodiments, groove 115 is generally along needle tubing
11 is axially extending, but can be other shaped forms, for example, extending in the shape of a spiral around the outside wall surface of needle tubing 11.
Further, the end of the groove 115 is ended in bar portion 112, so that the end of the groove 115 is in pin
It is spaced in the axial direction of pipe 11 with the opening 114.It is arranged at intervals, can makes out with opening 114 using as the groove 115 of venting channels
Mouth 114 immerses samples and groove 115 does not contact with sample, is easy to the cleaning of needle tubing 11.
Referring again to Fig. 1 and Fig. 2, path 142, one end of path 142 and leading in needle tubing 11 are set in needle cap 14
The connection docking of road 113, the other end of path 142 is interior to set the flexible pipe 141.
Further, needle cap 14 is in bending.Needle cap 14 includes the second end of first end 143 and bending connection
144, the path 142 extends through the end 144 of first end 143 and second.The first end 143 abuts transition sleeve 12.It is described soft
Pipe 141 is arranged in the second end 144 and turned on path 142.The fluid path joint 15 be arranged on the second end 144 be used for it is fixed with
Seal tube 141.The fluid path joint 15 includes the first joint 151 and the second joint 152, first joint 151 and second
Joint 152 opens up through hole, and first joint 151 is socketed flexible pipe 141.Second joint 152 is arranged the first joint
151, and be fixedly connected after supporting the first joint 151 with the second end 144 of needle cap 14.In one embodiment, outside the second joint 152
Settable external screw thread, the second end 144 of needle cap 14 are threaded hole, the fixation so that the second joint 152 and needle cap 14 are spirally connected.
First joint 151 can be set to taper, and small end is towards the second joint 152, so that the second joint 152, which abuts, fixes the
The effect of one joint 151 is more preferable.
The support 16 is Z-shape.The support 16 includes the first end 161 being connected with needle cap 14, and is adopted for connecting
Second end 162 of the other structures of sampling device such as actuator.Pilot hole is opened up in the first end 161, so as to make
One end 161 is socketed in the first end 143 of needle cap 14.In certain embodiments, the outer surface of the first end 143 of needle cap 14 can be set
Screw thread is put, the fastener 17 can be nut, be fixedly connected with support 16 with needle cap 14 by fastener 17.
Also pilot hole is opened up on second end 162, and support 16 is connected to by other fastener (not shown) and adopted
The other structures of sampling device are for example on actuator.The insulation board 18 and sheath 19 be used for electrically completely cut off support 16 and with support 16
The other structures of the sampling apparatus of connection, the needle cap 14 for avoiding being connected with support 16 is conductive, so as to avoid having influence on needle tubing 11 with
The detection electric capacity formed between outer tube 13.When piercing mechanism 10 works, actuator drives the displacement of support 16, so as to drive needle tubing 11
Displacement.
With reference to Fig. 5 and Fig. 6, described sampling apparatus also includes wiper mechanism 20, and the wiper mechanism 20 is used for pair
The needle tubing 11 for drawing sample is cleaned.Wiper mechanism 20 includes body 21, cover plate 22 and bottom plate 23, is set in the body 21
Cleaning chamber 210 through the both ends of body 21, the cover plate 22 and bottom plate 23 set up separately at the both ends of body 21 to close the cleaning chamber
210.The cover plate 22 is provided with the perforation (figure is not marked) plugged for needle tubing 11, also is provided with plugging for needle tubing 11 on the bottom plate 23
Perforation 230, the side wall of body 21 is provided with inlet 211 and leakage fluid dram 212.Inlet 211 connects institute with leakage fluid dram 212
State cleaning chamber 210.
When the needle tubing 11 of sampling apparatus samples, wiper mechanism 20 is fixed, and needle tubing 11 can sequentially pass through wiper mechanism 20
Cover plate 22, body 21 and bottom plate 23, then be pierced into sealing container and sample.After the completion of sampling, needle tubing 11 need to be cleaned with
Reuse needle tubing 11.During cleaning, needle tubing 11 is retracted into cleaning chamber 210, and the sampling channel to needle tubing 11 is the clear of passage 113
Wash, it is identical with the cleaning in traditional needle tubing, i.e., enter passage from the one end of passage 113 away from opening 114 using cleaning fluid
113, and cleaning chamber 210 is flowed out to from opening 114, then discharged by leakage fluid dram 212.And the venting channels to needle tubing 11 are groove
115 cleaning is then relatively easy, enters directly outer wall of the cleaning fluid from inlet 211 into cleaning chamber 210 and to needle tubing 11
Row rinses, and is then discharged again by leakage fluid dram 212.
Sealing structure is respectively equipped with perforation on the cover plate 22 and bottom plate 23 to prevent cleaning fluid from cover plate 22 and bottom
Flowed out at perforation on plate 23, while again needle tubing 11 will not be hindered to pass wiper mechanism 20.
The cover plate 22 is provided with fixing groove 220, the fixing groove 220 be used for the support body 30 for being fastened on sampling apparatus or
On other similar components.Fixing groove 220 in a ring, is arranged on the outer surface of cover plate 22.Wiper mechanism 20 is on sampling apparatus
Fixed, needle tubing 11 produces displacement with respect to wiper mechanism 20 in sampling process on the axial direction of needle tubing 20.
The utility model also provides a kind of device for analyzing samples, includes the sampling apparatus in above-mentioned any embodiment.It is described
Device for analyzing samples can be coaglation analyzer, blood cell analyzer and Urine Analyzer etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of sampling apparatus, including piercing mechanism, it is characterised in that the piercing mechanism includes needle tubing, and the needle tubing includes wearing
Thorn portion and be connected to puncture portion afterbody bar portion, the needle tubing interior edge needle tubing it is axially arranged through bar portion and extending to puncture
The passage in portion, the outside wall surface in the puncture portion are provided with the opening connected with passage, are recessed in the outside wall surface of the bar portion
Groove.
2. sampling apparatus according to claim 1, it is characterised in that the opening is at least two, and relative needle tubing
Axially it is symmetrical set.
3. sampling apparatus according to claim 1, it is characterised in that the groove is described recessed along the axially extending of needle tubing
Groove at least two, and the axial direction of relative needle tubing is symmetrical set.
4. sampling apparatus according to claim 1, it is characterised in that the piercing mechanism also includes needle cap, is arranged on pin
Flexible pipe in cap, and fluid path joint, one end of needle cap are connected with needle tubing, and flexible pipe is docked with the passage in needle tubing,
The other end that the fluid path joint is arranged on needle cap is used to fix the flexible pipe.
5. sampling apparatus according to claim 4, it is characterised in that set in needle cap and connect the flexible pipe and needle tubing
Passage path, needle cap includes the second end of first end and bending connection, and the path extends through first end and the
Two ends, the first end are connected with needle tubing, and the flexible pipe is arranged on the second end.
6. sampling apparatus according to claim 5, it is characterised in that the fluid path joint is arranged on second end and is used for
Fix and seal the flexible pipe, the fluid path joint includes the first joint and the second joint, first joint and the second joint
Open up through hole, the first adaptor cup jointing flexible pipe, second joint is arranged the first joint, and support after the first joint with
Second end of needle cap is fixedly connected.
7. sampling apparatus according to claim 4, it is characterised in that the piercing mechanism also include support, fastener, absolutely
One end of the support is connected in needle cap by listrium and sheath, the fastener, and the insulation board and sheath are arranged on
The other end of the support.
8. sampling apparatus according to claim 1, it is characterised in that also include including wiper mechanism, the wiper mechanism
Body, cover plate and bottom plate, the interior cleaning chamber set through body both ends of the body, the cover plate and bottom plate set up separately in body two
To close the cleaning chamber, the cover plate and bottom plate are provided with the perforation plugged for needle tubing at end, described body sidewall be provided with into
Liquid mouth and leakage fluid dram.
9. sampling apparatus according to claim 8, it is characterised in that the cover plate is provided with fixing groove, the fixing groove
For being fastened on the support body of sampling apparatus.
10. a kind of device for analyzing samples, it is characterised in that including the sampling apparatus described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499795.4U CN206832516U (en) | 2017-05-05 | 2017-05-05 | Sampling apparatus and device for analyzing samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720499795.4U CN206832516U (en) | 2017-05-05 | 2017-05-05 | Sampling apparatus and device for analyzing samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832516U true CN206832516U (en) | 2018-01-02 |
Family
ID=60770122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720499795.4U Active CN206832516U (en) | 2017-05-05 | 2017-05-05 | Sampling apparatus and device for analyzing samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134175A1 (en) * | 2018-12-25 | 2020-07-02 | 同方威视技术股份有限公司 | Electronic nose sampler |
| CN114414308A (en) * | 2022-03-28 | 2022-04-29 | 深圳市帝迈生物技术有限公司 | Sampling device and sampling method of sample analyzer |
-
2017
- 2017-05-05 CN CN201720499795.4U patent/CN206832516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134175A1 (en) * | 2018-12-25 | 2020-07-02 | 同方威视技术股份有限公司 | Electronic nose sampler |
| CN114414308A (en) * | 2022-03-28 | 2022-04-29 | 深圳市帝迈生物技术有限公司 | Sampling device and sampling method of sample analyzer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102200 1st, 2nd, 4th and 5th floors, building 3, No. 18, kekeyuan Road, Life Science Park, Changping District, Beijing Patentee after: Beijing Mindray Medical Instrument Co.,Ltd. Address before: 100000 East, second floor, building 5, Shangdi Qunying Science Park, Haidian District, Beijing Patentee before: BEIJING PRECIL INSTRUMENT Co.,Ltd. |