CN110806333A - Disposable excrement centrifugal collector - Google Patents
Disposable excrement centrifugal collector Download PDFInfo
- Publication number
- CN110806333A CN110806333A CN201911014222.8A CN201911014222A CN110806333A CN 110806333 A CN110806333 A CN 110806333A CN 201911014222 A CN201911014222 A CN 201911014222A CN 110806333 A CN110806333 A CN 110806333A
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- Prior art keywords
- drip chamber
- puncture
- needle tube
- tube
- puncture needle
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 12
- 230000002550 fecal effect Effects 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 238000005119 centrifugation Methods 0.000 claims description 2
- 210000002700 urine Anatomy 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 238000013461 design Methods 0.000 description 19
- 238000001514 detection method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
Abstract
The invention relates to a disposable excrement centrifugal collector, which comprises a test tube, a filter and a dropping funnel, wherein the filter comprises a hollow two-way connecting part and a collecting rod, the collecting rod is arranged at one end of the two-way connecting part connected with the test tube, a collecting spoon is arranged at the tail end of the collecting rod, the two-way connecting part and the collecting rod are hollow, the collecting rod is provided with an array of micropores, the other end of the two-way connecting part is connected with the dropping funnel, the head end of the dropping funnel is a dropping nozzle, a sealing cap is covered on the dropping nozzle of the dropping funnel, the dropping funnel is a vacuum tube, a sealing rubber plug is arranged in the tail end port of the vacuum tube, a puncture needle tube is arranged in the hollow cavity of the two-way connecting part, the puncture needle tube is positioned in the middle of the hollow cavity of, and the puncture needle tube can puncture the sealing rubber plug to realize the communication between the inner cavity of the dropping funnel and the hollow cavity of the bidirectional connecting component. The sample can be stored separately, and the operation is simple and clean.
Description
Technical Field
The invention relates to the technical field of biological detection equipment, in particular to a disposable excrement centrifugal collector.
Background
Fecal testing is of great importance for early screening of many diseases, and whether a patient has a bleeding disease of the digestive tract can be screened by testing hemoglobin in the feces, so that fecal testing has become a routine item for many medical institutions to test diseases.
The traditional excrement collector only comprises two parts, namely a test tube and a sealing cover, wherein a collecting spoon is arranged in the sealing cover, and the upper end of the sealing cover can be opened. When the sample collecting device is used, the collected substance is placed into a test tube to be diluted, the upper end of the sealing cover is opened, and a sample to be detected is dripped onto the detection strip. Often, impurities in the test tube are not filtered, thereby affecting the detection result.
In order to solve the above technical problems, people improve and design a centrifugal collector for feces, such as a disposable centrifugal collector for feces (with an authorization publication number of CN 206208562U) disclosed in the patent document with chinese patent number of cn201621336000, which has a main structure: comprises a test tube, a filter and a dropping funnel, wherein the test tube is connected with the dropping funnel through the filter; the filter comprises a bidirectional connecting part, a collecting rod and a collecting spoon, wherein the collecting rod is arranged at one end of the bidirectional connecting part connected with the test tube, and the collecting spoon is arranged at the tail end of the collecting rod; the two-way connecting part and the collecting rod are both hollow, the collecting rod is provided with micropores in an array, the micropores are communicated with the two-way connecting part and the collecting rod, and the other end of the two-way connecting part is connected with the dropping funnel. But the excrement centrifugal collector of this structure adopts the dropping funnel to drip the sample into the detection mouth and accomplishes the detection, and can't fine realization deposit the sample alone.
Disclosure of Invention
The invention aims at: in order to overcome the defects in the prior art, the invention provides the disposable excrement centrifugal collector which can realize the independent storage of samples and is simple and clean in operation.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a disposable excrement and urine centrifugation collector, includes test tube, filter and drip chamber, and the filter includes two-way adapting unit, gathers the pole and gathers the spoon, and the one end that two-way adapting unit is connected with the test tube is equipped with gathers the pole, gather the pole end and be equipped with the collection spoon, and two-way adapting unit and gather the inside cavity that is of pole, gather the micropore that has the array on the pole, micropore and two-way adapting unit and gather the inside intercommunication of pole, the drip chamber is connected to two-way adapting unit's the other end, and the head end of drip chamber is the drip nozzle, and the drip nozzle upper cover of drip chamber is: the drip chamber is a vacuum tube, a sealing rubber plug is arranged in a tail port of the vacuum tube, a puncture needle tube is arranged in a hollow cavity of the bidirectional connecting component, the puncture needle tube is positioned in the middle of the hollow cavity of the bidirectional connecting component, the bidirectional connecting component is provided with a sleeving tube section sleeved outside the puncture needle tube, the tail end of the drip chamber can be guided to be inserted into the sleeving tube section, and the puncture needle tube can pierce through the sealing rubber plug to realize the communication between an inner cavity of the drip chamber and the hollow cavity of the bidirectional connecting component.
By adopting the technical scheme, the tail end of the dropping funnel is guided to be inserted into the sleeving pipe section, the puncture needle tube penetrates through the sealing rubber plug to realize the communication between the bidirectional connecting part and the vacuum tube, so that a detection sample obtained after filtration is placed into the dropping funnel, the dropping funnel is pulled out after sampling is finished, the rubber sealing plug is automatically closed to realize sealing, the sealed storage of the sample is realized, and the dropping funnel adopts the vacuum tube design, so that the advantages of long sample storage time and good effect are realized; in addition, two-way adapting unit adopts the design of puncture needle pipe, and under the design of wide mouth, the difficult hourglass phenomenon that exists of sample, moreover because the drip chamber is the vacuum tube, the tail end is the rubber sealing plug design, when the operation of separation drip chamber, can be better avoid the sample to spill, and more clean moreover, what the drip chamber tail end can guide inserts in the bell and spigot joint pipe section, and it is more convenient to operate.
Preferably, be equipped with the removal guide screw thread in the cup jointing pipeline section, the removal guide screw thread is furnished with the guide soon and is sealed the jam, and the guide shutoff stopper includes the nut seat of outband screw thread, and the external screw thread of nut seat corresponds the cooperation with the removal guide screw thread, and the nut seat has the cavity that link up of axial, and the nut seat link up the cavity and is inlayed rubber sprue, and the tail end of nut seat is equipped with the forked tail connecting block, the drip chamber tail end is equipped with the forked tail connecting groove, and the forked tail connecting groove has the connector that link up drip chamber circumference side, and the guide shutoff stopper can be rotated in cup jointing pipeline section port department and supplies the forked tail connecting block to stretch out the cup jointing pipeline section port and cup joint, breaks away from the forked tail connecting block with the forked tail. Under this structural design, the guide is blockked up and is connected through dovetail connection piece and dovetail connection groove realization with the drip chamber, it can rotate guide shutoff stopper along threaded movement to rotate the drip chamber, thereby realize puncture needle tubing puncture guide shutoff rubber plug and sealing rubber stopper of jam, before the sample centrifugal operation, the shutoff to puncture needle tubing is realized to the rubber shutoff piece of guide shutoff stopper, after sample separation is made, accomplish above-mentioned operation and introduce in the vacuum tube in order to reach the sample, after sample collection completion, rotatory drip chamber, to guide shutoff to cup joint pipe section port soon, realize the shutoff once more to puncture needle tubing, and break away from the drip chamber, thereby guarantee safety and the clean and tidy health of operation.
Preferably, an inner extension limiting ring is arranged at the port of the sleeve pipe section, an inner ring hole of the inner extension limiting ring is in guide fit with the outer pipe wall of the dropping funnel, and the inner extension limiting ring is in axial limit fit with the guide plugging plug. Under this structural design, extend the spacing ring and avoid guiding the shutoff stopper to revolve out the cup joint pipeline section, realize the reliable shutoff to puncture needle tubing, extend the spacing ring in addition and realize the guide to the drip chamber.
Preferably, the tail end of drip chamber is equipped with and prevents the puncture and keeps off the ring, and the puncture of preventing of drip chamber keeps off the ring and cup joints the intraductal location of interior ring of spacing ring and seals the rubber buffer and not impaled by the puncture needle with constituting in the immigration of drip chamber tail end axial component, prevent that the puncture keeps off setting up in the drip chamber tail end that the ring can be taken off to take off and prevent in the puncture keeps off the ring back along with drip chamber axial immigration cup joints the pipeline section, and constitute the puncture needle and pierce through seals the rubber buffer. Under the structural design, in the initial stage of use, under the action of the puncture-proof stop ring, the tail end part of the dropping funnel can be screwed into the sleeving pipe section to realize reliable positioning of the dropping funnel on the two-way connector, meanwhile, the puncture needle tube cannot puncture the sealing rubber plug to ensure the early-stage mixing and centrifugal operation, and after the operation is finished, the puncture-proof stop ring is removed, so that the dropping funnel can be continuously moved into the sleeving pipe section until the puncture needle tube punctures the sealing rubber plug to realize the sample storage operation; the puncture-proof retaining ring realizes the positioning function during operation, so that the operation is simpler and more reliable; meanwhile, the anti-puncture blocking ring is removed to prompt the drip chamber to be used, so that the drip chamber is prevented from being started again.
Preferably, the puncture-preventing baffle ring comprises a baffle ring main body with a fracture, the fracture forms a guide opening for removing the baffle ring main body, one end of the fracture of the baffle ring main body is provided with a removing and pinching part, one axial end of the baffle ring main body is provided with a plurality of connecting salient points which are distributed in the circumferential direction, and the connecting salient points are connected with the baffle ring main body and the dropping funnel. Under this structural design, prevent that the puncture keeps off ring simple structure, take off easy operation convenience.
Preferably, a funnel-shaped needle tube seat for fixing the puncture needle tube is arranged in the bidirectional connecting component, a liquid inlet port of the puncture needle tube is positioned at the bottom of the needle tube seat, and a filtering membrane is arranged on one side, facing the collecting rod, of the needle tube seat. Under this structural design, the needle tubing seat that leaks hopper-shaped makes things convenient for the gathering of liquid to flow out, and filtration membrane can realize the secondary of excrement sediment and block, improves the filter effect.
Preferably, the filtering membrane is funnel-shaped, and a liquid storage interval is arranged between the filtering membrane and the needle tube seat. Under this structural design, have the advantage that filter area is big, the storage of filtrating can be realized at the stock solution interval, guarantees that the vacuum tube can be reliable absorbs the sample.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a disposable centrifugal fecal collector in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural view of a disposable centrifugal fecal collector according to an embodiment of the present invention;
FIG. 3 is an exploded view of a disposable fecal centrifugal collector according to an embodiment of the present invention;
FIG. 4 is an exploded view of a filter according to an embodiment of the present invention;
FIG. 5 is an exploded view of a drip chamber according to an embodiment of the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
Referring to the attached drawings 1-6, the disposable centrifugal collector for excrement disclosed by the invention comprises a test tube 1, a filter 2 and a dropping funnel 3, wherein the filter 2 comprises a bidirectional connecting part 21, a collecting rod 22 and a collecting spoon 23, the bidirectional connecting part 21 is screwed with the test tube 1 by threads, the collecting rod 22 is arranged at one end of the bidirectional connecting part 21 connected with the test tube 1, the collecting spoon 23 is arranged at the tail end of the collecting rod 22, the bidirectional connecting part 21 and the collecting rod 22 are hollow, the collecting rod 22 is provided with an array of micropores 221, the micropores 221 are communicated with the bidirectional connecting part 21 and the collecting rod 22, the other end of the bidirectional connecting part 21 is connected with the dropping funnel 3, the head end of the dropping funnel 3 is a dropping nozzle 31, a sealing cap 32 is covered on the dropping nozzle 31 of the dropping funnel 3, wherein the sealing cap 32 comprises a cap body 321 with internal threads, the cap body 321 is matched on the dropping funnel 3 by the threads, a conical rubber plug 322, the conical rubber plug 322 is plugged in the drip opening 311 of the drip chamber 3 to realize sealing plugging, and is used for vacuum preservation of samples, the drip chamber 3 adopts a vacuum tube design, a sealing rubber plug 33 is arranged in a tail port of the vacuum tube, a needle tube seat 211 is arranged in a hollow cavity of the bidirectional connecting part 21, a puncture needle tube 212 is arranged on the needle tube seat 211, the puncture needle tube 212 is positioned in the middle of the hollow cavity of the bidirectional connecting part 21, the bidirectional connecting part 21 is provided with a sleeve joint tube section 213 sleeved outside the puncture needle tube 212, the tail end of the drip chamber 3 can be guided to be inserted into the sleeve joint tube section 213, and the puncture needle tube 212 can pierce through the sealing rubber plug 33 to realize hollow cavity communication between an inner cavity of the drip. The tail end of the dropping funnel 3 is guided to be inserted into the sleeving pipe section 213, the puncture needle tube 212 penetrates through the sealing rubber plug 33 to realize the communication between the bidirectional connecting part 21 and the vacuum tube, the detection sample obtained after filtration is placed into the dropping funnel 3, the dropping funnel 3 is pulled out after sampling is finished, the rubber sealing plug is automatically closed to realize sealing, the sealed storage of the sample is realized, and the dropping funnel 3 adopts the vacuum tube design, so that the advantages of long sample storage time and good effect are realized; in addition, the two-way connecting component 21 adopts the design of the puncture needle tube 212, the sample is not easy to have the leakage phenomenon under the design of a wide opening, and because the dropping funnel 3 is a vacuum tube, and the tail end is the design of the sealing rubber plug 33, when the dropping funnel 3 is separated for operation, the sample can be better prevented from leaking, the operation is cleaner, the tail end of the dropping funnel 3 can be guided to be inserted into the sleeve joint pipe section 213, and the operation is more convenient.
The connecting structure is characterized in that a movable guide thread 2131 is arranged in the sleeving pipe section 213, the movable guide thread 2131 is matched with a guide plug 214 in a rotating mode, the guide plug 214 comprises a nut seat 2141 with external threads, external threads of the nut seat 2141 are matched with the movable guide thread 2131 correspondingly, the nut seat 2141 is provided with a through cavity which is axially through, a rubber plug 2142 is embedded in the through cavity of the nut seat 2141, a dovetail connecting block 2143 is arranged at the tail end of the nut seat 2141, a dovetail connecting groove 34 is arranged at the tail end of the dropping funnel 3, the dovetail connecting groove 34 is provided with a connecting port which penetrates through the circumferential side face of the dropping funnel 3, the guide plug 214 can rotate at the port of the sleeving pipe section 213 to enable the dovetail connecting block 2143 to extend out of the port of the sleeving pipe section 213 to enable the dovetail connecting groove 34 of the dropping funnel 3 to be sleeved and disconnected from the dovetail connecting block 214. The guide plug is connected with the dropping funnel 3 through the dovetail connecting block 2143 and the dovetail connecting groove 34, the guide plug 214 can be rotated to move along the thread by rotating the dropping funnel 3, so that the puncture needle tube 212 punctures the rubber plug 2142 and the sealing rubber plug 33 of the guide plug 214, before the sample centrifugal operation, the rubber plug 2142 of the guide plug 214 realizes the plugging of the puncture needle tube 212, after the sample is separated and manufactured, the operation is completed to achieve the purpose that the sample is introduced into the vacuum tube, after the sample is collected, the dropping funnel 3 is rotated, the guide plug 214 is screwed to the port of the sleeve pipe section 213, the puncture needle tube 212 is plugged again, and the dropping funnel 3 is separated, so that the safety and the cleanness and the sanitation of the operation are guaranteed. The threading action can make the puncturing and withdrawing process of the puncturing needle tube 212 smoother. Certainly, as a feasible scheme of the invention, the external thread can be directly designed at the tail end of the dropping funnel 3 to be matched with the sleeve joint pipe section 213, but the puncture needle tube 212 is directly exposed, and potential safety hazards are easily brought to post-waste treatment after the puncture needle tube is discarded.
In this embodiment, an inner extension limiting ring 215 is disposed at a port of the sleeving pipe section 213, the inner extension limiting ring 215 and the sleeving pipe section 213 are integrally formed, an inner annular hole of the inner extension limiting ring 215 is in guiding fit with an outer pipe wall of the dropping funnel 3, and the inner extension limiting ring 215 is in axial limiting fit with the guide plug 214. Under this structural design, the interior spacing ring 215 that extends avoids guiding the shutoff and blocks 214 and unscrews the extension pipe section 213, realizes the reliable shutoff to puncture needle tubing 212, and the interior spacing ring 215 that extends realizes the guide to the drip chamber 3 in addition.
For the convenience of processing and assembling the filter 2, the bidirectional connecting component 21 is formed by assembling a plurality of components, the bidirectional connecting component 21 comprises a first cylindrical component 21-1, a needle tube component 21-2 and a sleeving component 21-3, the first cylindrical component 21-1 is integrally formed with the collecting rod 22, the first cylindrical component 21-1 is provided with an external thread 21-11 for screwing the test tube 1, the first cylindrical component 21-1 is extended to a plugging step part 21-12 relative to the other end of one end connected with the collecting rod 22, the needle tube component 21-2 comprises a cylindrical tube 21-21, a needle tube seat 211 is integrally formed in the cylindrical tube 21-21, a puncture needle is fixed on the needle tube seat 211, the cylindrical tube 21-21 is sleeved on the plugging step part 21-12 of the first cylindrical component 21-1, the sleeving component 21-3 comprises a sleeving tube section 213 and a sleeving component main part integrally formed with an internal extending limiting ring 215, and the sleeving component main part 21-3 is provided with The tail ends of the body 21-31 and the main body 21-31 of the sleeving part extend to form inner step sleeves 21-32 sleeved outside the cylindrical pipes 21-21. The design facilitates the processing and forming of each part, and the guide plug 214 can be pre-installed in the sleeving pipe section 213 and screwed at the port of the sleeving pipe section 213 to allow the dovetail connecting block 2143 to extend out of the port of the sleeving pipe section 213.
For preventing that mistake screw in dropping funnel 3 from causing the vacuum tube to become invalid, adopt following structural design, the tail end of dropping funnel 3 is equipped with prevents that puncture keeps off ring 35, and the puncture of preventing of dropping funnel 3 keeps off ring 35 and cup joint pipe section 213 backstop cooperation in order to constitute 3 internal ring downthehole location of extending spacing ring 215 in of the tail end axial component immigration of dropping funnel and sealed rubber buffer 33 not impaled by puncture needle pipe 212, prevent that puncture keeps off setting up in 3 tail ends of dropping funnel that ring 35 can be taken off to in taking off and preventing puncture and keeping off ring 35 back along with 3 axial immigration of dropping funnel overlap pipe section 213, and constitute puncture needle pipe 212 and impale sealed rubber buffer 33. In the initial stage of use, under the action of the puncture-proof baffle ring 35, the tail end part of the dropping funnel 3 can be screwed into the sleeving pipe section 213 to realize reliable positioning of the dropping funnel 3 on the two-way connector, meanwhile, the puncture needle tube 212 cannot puncture the sealing rubber plug 33 to ensure the previous mixing and centrifugal operation, and after the operation is finished, the puncture-proof baffle ring 35 is removed, so that the dropping funnel 3 can be continuously moved into the sleeving pipe section 213 until the puncture needle tube 212 punctures the sealing rubber plug 33 to realize the sample storage operation; the puncture-proof retaining ring 35 realizes the positioning function during operation, so that the operation is simpler and more reliable; meanwhile, the user can be prompted to use the dropping funnel 3 by removing the puncture-preventing retaining ring 35, and the dropping funnel 3 is prevented from being used for the second time.
The puncture-proof retaining ring 35 comprises a retaining ring main body 352 with a fracture 351, the fracture 351 forms a guide opening for removing the retaining ring main body 352, one end of the fracture 351 of the retaining ring main body 352 is provided with a removing and pinching part 3521, the removing and pinching part 3521 can be properly designed in an anti-slip mode and a warping mode, so that the removing and pinching part 3521 can be better pinched, a plurality of connecting salient points 353 distributed in the circumferential direction are arranged at one axial end of the retaining ring main body 352, and the connecting salient points 353 are connected with the retaining ring main body 352 and the drip chamber 3. The puncture-proof retaining ring 35 has a simple structure and is easy and convenient to remove.
In addition, a funnel-shaped needle tube holder 211 for fixing the puncture needle tube 212 is provided in the bidirectional connecting member 21, the liquid inlet port of the puncture needle tube 212 is located at the bottom of the needle tube holder 211, and a filter membrane 216 is provided on the side of the needle tube holder 211 facing the collection rod 22. Funnel-shaped needle tubing seat 211 makes things convenient for the gathering of liquid to flow out, and filtration membrane 216 can realize the secondary of excrement sediment and block, improves the filter effect.
The filtering membrane 216 is funnel-shaped, and a liquid storage space 217 is arranged between the filtering membrane 216 and the needle tube seat 211. Funnel-shaped filter membrane 216 has the advantage that filter area is big, and the storage of filtrating can be realized to stock solution interval 217, guarantees that the vacuum tube can be reliable absorbs the sample.
Claims (7)
1. The utility model provides a disposable excrement and urine centrifugation collector, includes test tube, filter and drip chamber, and the filter includes two-way adapting unit, gathers the pole and gathers the spoon, and the one end that two-way adapting unit is connected with the test tube is equipped with gathers the pole, gather the pole end and be equipped with the collection spoon, and two-way adapting unit and gather the inside cavity that is of pole, gather the micropore that has the array on the pole, micropore and two-way adapting unit and gather the inside intercommunication of pole, the drip chamber is connected to two-way adapting unit's the other end, and the head end of drip chamber is the drip nozzle, and the drip nozzle upper cover of drip chamber is: the drip chamber is a vacuum tube, a sealing rubber plug is arranged in a tail port of the vacuum tube, a puncture needle tube is arranged in a hollow cavity of the bidirectional connecting component, the puncture needle tube is positioned in the middle of the hollow cavity of the bidirectional connecting component, the bidirectional connecting component is provided with a sleeving tube section sleeved outside the puncture needle tube, the tail end of the drip chamber can be guided to be inserted into the sleeving tube section, and the puncture needle tube can pierce through the sealing rubber plug to realize the communication between an inner cavity of the drip chamber and the hollow cavity of the bidirectional connecting component.
2. The disposable centrifugal fecal collector of claim 1 wherein: the internal removal guide screw thread that is equipped with of cover union coupling pipeline, removal guide screw thread is furnished with the guide soon and is sealed the jam, and the guide shutoff stopper includes the nut seat of outband screw thread, and the external screw thread of nut seat corresponds the cooperation with removal guide screw thread, and the nut seat has the cavity that link up that the axial link up, and the nut seat link up the cavity and is inlayed rubber sprue, and the tail end of nut seat is equipped with the forked tail connecting block, the drip chamber tail end is equipped with the forked tail spread groove, and the forked tail spread groove has the connector that link up drip chamber circumference side, and the guide shutoff stopper can be rotated in cover union coupling pipeline section port department and supplies the forked tail connecting block to stretch out cover union coupling pipeline section port and cup joint, throw off the forked tail connecting block, and the guide.
3. The disposable centrifugal fecal collector of claim 2 wherein: an inner extension limiting ring is arranged at the port of the sleeve pipe section, an inner ring hole of the inner extension limiting ring is in guide fit with the outer pipe wall of the dropping funnel, and the inner extension limiting ring is in axial limit fit with the guide plugging plug.
4. The disposable centrifugal fecal collector of claim 3 wherein: the tail end of drip chamber is equipped with and prevents the puncture and keeps off the ring, and the puncture of preventing of drip chamber keeps off ring and cup joint pipe section backstop cooperation in order to constitute the interior annular opening of extending the spacing ring in the partial immigration of drip chamber tail end axial and fix a position and the sealing rubber stopper is not impaled by the puncture needle tubing, prevent that the puncture keeps off setting in the drip chamber tail end that the ring can be taken off to take off and prevent in the puncture keeps off the ring back along with the immigration of drip chamber axial overlap pipe section, and constitute puncture needle tubing and pierce through sealing rubber stopper.
5. The disposable centrifugal fecal collector of claim 4 wherein: the puncture-proof retaining ring comprises a retaining ring main body with a fracture, the fracture forms a guide opening for removing the retaining ring main body, one end of the fracture of the retaining ring main body is provided with a removing and pinching part, one end of the axial direction of the retaining ring main body is provided with a plurality of connecting salient points distributed in the circumferential direction, and the connecting salient points are connected with the retaining ring main body and the dropping funnel.
6. A disposable centrifugal fecal collector according to claim 1 or 2 or 3 or 4 or 5 characterized in that: the bidirectional connecting component is internally provided with a funnel-shaped needle tube seat for fixing the puncture needle tube, the liquid inlet port of the puncture needle tube is positioned at the bottom of the needle tube seat, and one side of the needle tube seat, which faces the collecting rod, is provided with a filtering membrane.
7. The disposable centrifugal fecal collector of claim 6 wherein: the filtering membrane is funnel-shaped, and a liquid storage interval is arranged between the filtering membrane and the needle tube seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014222.8A CN110806333A (en) | 2019-10-24 | 2019-10-24 | Disposable excrement centrifugal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911014222.8A CN110806333A (en) | 2019-10-24 | 2019-10-24 | Disposable excrement centrifugal collector |
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| Publication Number | Publication Date |
|---|---|
| CN110806333A true CN110806333A (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911014222.8A Pending CN110806333A (en) | 2019-10-24 | 2019-10-24 | Disposable excrement centrifugal collector |
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| CN (1) | CN110806333A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088442A (en) * | 2021-10-14 | 2022-02-25 | 怀化普德医疗科技有限责任公司 | Parasitic ovum sampling device |
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| CN102998149A (en) * | 2011-09-16 | 2013-03-27 | 江苏康健医疗用品有限公司 | Negative pressure urine collecting device |
| CN102564796A (en) * | 2012-02-24 | 2012-07-11 | 万华普曼生物工程有限公司 | Excrement collector |
| CN206208562U (en) * | 2016-12-07 | 2017-05-31 | 威海赛威医疗科技有限公司 | Disposable feces are centrifuged collector |
| CN106840749A (en) * | 2017-01-19 | 2017-06-13 | 丁葆兰 | Disposable tumor in digestive tract fecal acquisition testing suit |
| CN209247393U (en) * | 2018-09-30 | 2019-08-13 | 厦门为正生物科技股份有限公司 | One kind adopting closet |
| CN211317777U (en) * | 2019-10-24 | 2020-08-21 | 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 | Disposable excrement centrifugal collector |
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| CN114088442A (en) * | 2021-10-14 | 2022-02-25 | 怀化普德医疗科技有限责任公司 | Parasitic ovum sampling device |
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