CN108251288B - Anaerobic fecal bacteria extraction device and method - Google Patents
Anaerobic fecal bacteria extraction device and method Download PDFInfo
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- CN108251288B CN108251288B CN201810215283.XA CN201810215283A CN108251288B CN 108251288 B CN108251288 B CN 108251288B CN 201810215283 A CN201810215283 A CN 201810215283A CN 108251288 B CN108251288 B CN 108251288B
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
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- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/14—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus with filters, sieves or membranes
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- C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
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- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/38—Caps; Covers; Plugs; Pouring means
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/12—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by pressure
Abstract
The invention discloses an anaerobic fecal bacteria extraction device and an extraction method, wherein the extraction device comprises a sample collection device, a collection bag, a crushing device and a filtering device; the sample collecting device comprises a cylindrical collecting container with an opening at the upper end and an upper cover arranged on the upper end surface of the collecting container, wherein a circular through hole or an oval through hole is arranged on the upper cover, an inverted cone-shaped collecting cover is arranged below the upper cover, and a collecting bag is arranged at the lower port of the collecting cover; a sealing component is arranged on the side wall of the collecting bag close to the opening, and the sealing component can be sleeved on the lower port of the collecting cover; the collection container is filled with diluent. The invention has the beneficial effects that: the invention is convenient to operate, collects the fecal sample by combining the plastic sealing bag, reduces the contact time between the fecal sample and the air as much as possible, and improves the survival rate of the fecal bacteria and the treatment effect.
Description
The scheme is a divisional application, and the original application name is as follows: an intestinal content flora extraction device, the application date of the original application is: 2016-04-27, the application number of the original application is: 201610269238.3.
Technical Field
The invention relates to a medical extraction device, in particular to an anaerobic fecal strain extraction device and an extraction method.
Background
The excrement transplantation is a method for treating diseases by reconstructing intestinal flora, namely beneficial excrement liquid is obtained after excrement of healthy people is treated, namely parasites such as worm eggs and the like are removed and only useful flora is reserved, and then the beneficial excrement liquid is prepared into enteric capsules or is orally taken. The medical staff is difficult to accept from the vision, the smell and the psychology when preparing the fecal suspension, and the extraction process must be completed quickly to ensure the activity of the fecal bacteria, because the flora in the intestinal tract is mostly anaerobic bacteria, when the medical staff takes the fecal sample, the fecal sample is in contact with the air for a period of time, and the anaerobic condition is difficult to ensure in the extraction process, so the quality of the fecal bacteria is difficult to ensure by the existing extraction equipment.
Disclosure of Invention
The invention provides the intestinal content flora extraction device which can reduce the contact time of excrement and air as much as possible, is convenient to operate and can improve the survival rate of fecal bacteria.
The invention is realized by the following measures: an intestinal content flora extraction device comprises a crushing device, a filtering device connected with the crushing device and a negative pressure device connected with the filtering device;
the crushing device comprises a crushing barrel with a sealing cover, annular grooves are formed in the upper end face of the crushing barrel and the end face of the port of the sealing cover, and annular cutting edges matched with each other are arranged in the two annular grooves; the height of the inner side wall of the annular groove of the sealing cover is smaller than that of the outer side wall of the annular groove of the sealing cover;
a filter screen is arranged on the inner wall of the bottom of the crushing barrel, spine protrusions are uniformly distributed on the upper end surface of the filter screen, a rotating shaft fully distributed with the spine protrusions is arranged on the side wall of the crushing barrel above the filter screen, and one end of the rotating shaft penetrates through the side wall of the crushing barrel and is provided with a handle;
a circular groove with an air hole is formed in the sealing cover, and an air valve cover hinged with the sealing cover is arranged in the circular groove;
the crushing barrel is filled with the diluent; and a liquid outlet with a switch valve is arranged on the side wall of the lower part of the crushing barrel.
The filtering device comprises a sealed filtering container, a liquid inlet is formed in the side wall of the upper portion of the filtering container and connected with the liquid outlet of the crushing device, a liquid outlet is formed in the side wall of the lower portion of the filtering container, a negative pressure air extraction opening is formed in the side wall of the filtering container above the liquid outlet, a plurality of stages of filtering membranes with gradually-reduced pore diameters from top to bottom are arranged in the filtering container between the liquid inlet and the negative pressure air extraction opening, an interval is formed between every two adjacent stages of the filtering membranes, and a liquid outlet with a sealing cover is formed in the side wall of the filtering container between every two adjacent stages of the filtering membranes;
the upper end face of the filtering container is provided with a circular groove with an air hole, and an air valve cover hinged with the upper end face of the filtering container is arranged in the circular groove.
The height of the annular cutting edge is smaller than the height of the outer side wall of the annular groove and the height of the inner side wall of the annular groove.
The sealing cover of the crushing device is in threaded connection with the crushing barrel, an internal thread is arranged on the sealing cover, and an external thread connected with the internal thread is arranged on the crushing barrel.
And the outer surface of the side wall of the sealing cover is provided with a positioning column matched with the L-shaped notch for use.
Preferably, the invention provides an intestinal content flora extraction device, which comprises a crushing device, an extraction pipe connected with the crushing device and a negative pressure device connected with the extraction pipe; the crushing device comprises a crushing barrel with a sealing cover, annular grooves are formed in the upper end face of the crushing barrel and the end face of the port of the sealing cover, and annular cutting edges matched with each other are arranged in the two annular grooves; the height of the inner side wall of the annular groove of the sealing cover is smaller than that of the outer side wall of the annular groove of the sealing cover;
a filter screen is arranged on the inner wall of the bottom of the crushing barrel, spine protrusions are uniformly distributed on the upper end surface of the filter screen, a rotating shaft fully distributed with the spine protrusions is arranged on the side wall of the crushing barrel above the filter screen, and one end of the rotating shaft penetrates through the side wall of the crushing barrel and is provided with a handle;
a circular groove with an air hole is formed in the sealing cover, and an air valve cover hinged with the sealing cover is arranged in the circular groove;
the crushing barrel is filled with the diluent; and a liquid outlet with a switch valve is arranged on the side wall of the lower part of the crushing barrel.
The height of the annular cutting edge is smaller than that of the outer side wall of the annular groove.
The sealing cover is in threaded connection with the crushing barrel, an internal thread is arranged on the sealing cover, and an external thread connected with the internal thread is arranged on the crushing barrel; or, be located the annular groove outside be provided with L type breach on the lateral wall of broken bucket, be located the annular groove outside the lateral wall surface of sealed lid be provided with the reference column that L type breach cooperation was used.
The extraction tube comprises a tube body and a plurality of stages of filtering membranes which are hermetically connected with the inner wall of the tube body, a liquid inlet is formed in the upper end of the tube body, a negative pressure air exhaust opening connected with a negative pressure device is formed in the lower end of the tube body, the lower end of the tube body is close to the lower end of the tube body, a hard liquid storage box communicated with the tube body is hermetically arranged on the side wall of the tube body, and the aperture of each filtering membrane is gradually reduced from top to bottom.
The tube body is made of silica gel, soft rubber, PVC or soft plastic and is integrally formed; the aperture of the filter membrane is 0.0004-5.00 mm.
Preferably, the invention also provides an intestinal content flora extraction device, which comprises a sample collection device and a collection bag; the sample collecting device comprises a cylindrical collecting container with an opening at the upper end and an upper cover arranged on the upper end surface of the collecting container, wherein a circular through hole or an oval through hole is formed in the upper cover, an inverted cone-shaped collecting cover is arranged below the upper cover, and the lower port of the collecting cover is provided with the collecting bag;
a sealing assembly is arranged on the side wall of the collecting bag close to the opening, and the sealing assembly can be sleeved on the lower port of the collecting cover;
the collection container is internally filled with diluent.
The sealing assembly is a magnetic strip, the collecting bag is symmetrically provided with two magnetic strips close to the side wall of the opening, and the two ends of the magnetic strips are hinged.
The upper end face of the collecting container is inwards bent to form an annular limiting plate, an annular groove is formed in the upper end face of the annular limiting plate, and an annular protrusion matched with the annular groove is arranged on the lower end face of the upper cover.
Be provided with on the lateral wall of collection container and get the thing mouth, the articulated on the lateral wall of collection container have with get the thing door that the thing mouth corresponds.
One end of the magnetic strip of the collecting bag is connected with a pull rope.
Preferably, the invention also provides an anaerobic fecal bacteria extraction device, which comprises a sample collection device and a collection bag; the sample collecting device comprises a cylindrical collecting container with an opening at the upper end and an upper cover arranged on the upper end surface of the collecting container, wherein a circular through hole or an oval through hole is formed in the upper cover, an inverted cone-shaped collecting cover is arranged below the upper cover, and the lower port of the collecting cover is provided with the collecting bag;
a sealing assembly is arranged on the side wall of the collecting bag close to the opening, and the sealing assembly can be sleeved on the lower port of the collecting cover;
the collection container is internally filled with diluent.
The sealing assembly is a magnetic strip, the collecting bag is symmetrically provided with two magnetic strips close to the side wall of the opening, and the two ends of the magnetic strips are hinged.
The upper end face of the collecting container is inwards bent to form an annular limiting plate, an annular groove is formed in the upper end face of the annular limiting plate, and an annular protrusion matched with the annular groove is arranged on the lower end face of the upper cover.
Be provided with on the lateral wall of collection container and get the thing mouth, the articulated on the lateral wall of collection container have with get the thing door that the thing mouth corresponds.
One end of the magnetic strip of the collecting bag is connected with a pull rope.
The extracting device also comprises a crushing device, the crushing device comprises a crushing barrel with a sealing cover, annular grooves are formed in the upper end face of the crushing barrel and the end face of the port of the sealing cover, and annular cutting edges matched with each other are arranged in the two annular grooves; the height of the inner side wall of the annular groove of the sealing cover is smaller than that of the outer side wall of the annular groove of the sealing cover;
a filter screen is arranged on the inner wall of the bottom of the crushing barrel, spine protrusions are uniformly distributed on the upper end surface of the filter screen, a rotating shaft fully distributed with the spine protrusions is arranged on the side wall of the crushing barrel above the filter screen, and one end of the rotating shaft penetrates through the side wall of the crushing barrel and is provided with a handle;
a circular groove with an air hole is formed in the sealing cover, and an air valve cover hinged with the sealing cover is arranged in the circular groove;
the crushing barrel is filled with the diluent; and a liquid outlet with a switch valve is arranged on the side wall of the lower part of the crushing barrel.
The height of the annular cutting edge is smaller than that of the outer side wall of the annular groove.
The sealing cover is in threaded connection with the crushing barrel, an internal thread is arranged on the sealing cover, and an external thread connected with the internal thread is arranged on the crushing barrel; or, be located the annular groove outside be provided with L type breach on the lateral wall of broken bucket, be located the annular groove outside the lateral wall surface of sealed lid be provided with the reference column that L type breach cooperation was used.
The extraction device also comprises a filtering device, the filtering device comprises a liquid inlet cylinder, a plurality of intermediate cylinders and a liquid outlet cylinder, and cambered surface filter screens are arranged in the intermediate cylinders and the discharge cylinder; annular retaining edges are arranged on the inner side wall of the middle cylinder close to the upper port and the inner wall of the liquid outlet cylinder close to the upper port, the cambered surface filter screen comprises an annular support plate and a cambered surface support screen arranged on the lower end face of the annular support plate, a filter membrane is arranged in a mesh hole of the cambered surface support screen, and the annular support plate is supported on the annular support plate;
an upper port of the middle cylinder is provided with an internal thread, a lower port of the middle cylinder is provided with an external thread, a lower port of the liquid inlet cylinder is provided with an external thread matched with the internal thread of the middle cylinder for use, and an upper port of the liquid outlet cylinder is provided with an internal thread matched with the internal thread of the middle cylinder for use; the plurality of intermediate cylinders are connected through threads;
a liquid outlet is formed in the lower end of the liquid outlet cylinder, and a negative-pressure air exhaust port is formed in the side wall of the liquid outlet cylinder;
the upper end face of the liquid inlet cylinder is provided with a circular groove with an air hole, and an air valve cover hinged to the sealing cover is arranged in the circular groove.
And a plurality of flexible cleaning balls are placed in the cambered surface filter screen.
The invention has the beneficial effects that: the invention is convenient to operate, and combines the plastic sealing bag to collect the excrement sample, so that the contact time between the excrement sample and the air is shortened as much as possible, and the survival rate of the fecal bacteria and the treatment effect are improved; when the device is used, a feces sample of a healthy person is placed into a plastic sealing bag at the first time, feces are kept in an anaerobic environment, then the sealing bag is placed on the upper end face of a crushing barrel filled with diluent, then a sealing cover is covered, the sealing cover moves downwards, when an annular cutting edge of the crushing barrel is contacted with an annular cutting edge of the sealing cover, the sealing bag can be cut into two halves, the half containing the feces sample automatically falls into the crushing barrel, a hand handle drives a rotating shaft to rotate, a sharp bulge on the rotating shaft and a sharp bulge on a filter screen move relatively, the sealing bag is rapidly scratched, feces are diluted and filtered through the filter screen to obtain feces liquid with large granular impurities removed, a switch valve of a liquid outlet is opened, the feces liquid is discharged into a filter device which is vacuumized under negative pressure, after all the feces liquid enters the filter device, the switch valve is closed, and a gas valve cover of the upper end face of the filter container is opened, and finally obtaining the beneficial intestinal flora after the fecal liquid is subjected to multi-stage filtration.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a crushing barrel in embodiments 1, 2 and 4 of the present invention.
Fig. 3 is a schematic structural view of a sealing cover of a crushing apparatus in examples 1, 2 and 4 of the present invention.
Fig. 4 is another structural schematic diagram of the crushing barrel in the embodiment 1, the embodiment 2 and the embodiment 4 of the invention.
Fig. 5 is a schematic structural view of a filter device in embodiment 1 of the present invention.
Fig. 6 is a schematic structural view of the gas valve cover in embodiment 1 of the present invention.
Fig. 7 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 8 is a schematic structural view of a filter device in embodiment 2 of the present invention.
Fig. 9 is a schematic structural diagram of the collecting device in embodiments 3 and 4 of the present invention.
Fig. 10 is a schematic view of the structure of the collecting bag in examples 3 and 4 of the present invention.
Fig. 11 is a schematic view of the use state of the acquisition device in embodiment 3 and embodiment 4 of the present invention.
Fig. 12 is a schematic structural view of a collecting device and a filtering device in embodiment 4 of the present invention.
Fig. 13 is a schematic structural view of a filter device in embodiment 4 of the present invention.
In the figure, 1, a crushing barrel; 2. a filter screen; 3. a bearing; 4. a rotating shaft; 5. the spine is protruded; 6. a sealing cover; 7. a gas valve cover; 8. a handle; 9. a liquid outlet; 10. a connecting pipe; 11. a liquid inlet; 12. a filtration vessel; 13. a negative pressure air exhaust port; 14. a liquid outlet; 15. an external thread; 16. an outer side wall of the annular groove; 17. an annular blade; 18. the inner side wall of the annular groove; 19. an L-shaped notch; 20. a filtration membrane; 21. a liquid discharge port; 22. air holes; 23. a gas valve cover; 24. a sealing protrusion; 25. an extraction tube; 26. a hard liquid storage box; 27. a collection container; 28. diluting the solution; 29. a collection bag; 30. a collection hood; 31. an annular projection; 32. an annular limiting plate; 33. an upper cover; 34. an article taking opening; 35. pulling a rope; 36. hinging a shaft; 37. a magnetic strip; 38. collecting the upper edge of the bag; 39. locking; 40. an elliptical through hole; 41. a fetching door; 42. a liquid inlet cylinder; 43. an intermediate barrel; 44. a liquid outlet cylinder; 45. an annular blocking edge; 46. an annular support plate; 47. a flexible cleaning ball; 48. and (5) supporting the net by an arc surface.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1
Referring to fig. 1-6, an intestinal content flora extraction device comprises a crushing device, a filtering device connected with the crushing device, and a negative pressure device connected with the filtering device;
the crushing device comprises a crushing barrel 1 with a sealing cover 6, annular grooves are formed in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, and annular cutting edges 17 which are matched with each other are arranged in the two annular grooves, namely the annular cutting edges 17 which are matched with each other are arranged in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, so that the cutting-off effect is achieved; the height of the inner side wall 18 of the annular groove of the sealing cover 6 is smaller than that of the outer side wall 16 of the annular groove of the sealing cover 6, and the cut-off part inside the crushing barrel 1 can smoothly fall into the crushing barrel 1; the height of the annular cutting edge 17 is less than the height of the outer side wall 16 of the annular groove and the height of the inner side wall 18 of the annular groove.
A filter screen 2 is arranged on the inner wall of the bottom of the crushing barrel 1, spine protrusions 5 are uniformly distributed on the upper end face of the filter screen 2, a rotating shaft 4 fully distributed with the spine protrusions 5 is arranged on the side wall of the crushing barrel 1 above the filter screen 2, two ends of the rotating shaft 4 are horizontally arranged on the side wall of the crushing barrel 1 through bearings 3, and one end of the rotating shaft 4 penetrates through the side wall of the crushing barrel 1 and is provided with a handle 8;
the sealing cover 6 is provided with a circular groove with an air hole 22, an air valve cover 7 (or 23 in the figure) hinged with the sealing cover 6 is arranged in the circular groove, and a sealing protrusion 24 corresponding to the air hole 22 is arranged on the air valve cover 7 (or 23 in the figure);
the crushing barrel 1 is filled with diluent 28; a liquid outlet 14 with a switch valve is arranged on the side wall of the lower part of the crushing barrel 1.
A sealing cover 6 of the crushing device is in threaded connection with the crushing barrel 1, the sealing cover is provided with an internal thread, and the crushing barrel 1 is provided with an external thread 15 connected with the internal thread; or, be located the annular groove outside evenly be provided with a plurality of L type breach 19 on the lateral wall of broken bucket 1, be located the annular groove outside the lateral wall surface of sealed lid is provided with the reference column that uses with L type breach 19 cooperation.
The filtering device comprises a sealed filtering container 12, a liquid inlet 11 is arranged on the upper side wall of the filtering container 12, the liquid inlet 11 is connected with a liquid outlet 9 of the crushing device through a connecting pipe 10, a liquid outlet 14 is arranged on the lower side wall of the filtering container 12, a negative pressure air extraction opening 13 is arranged on the side wall of the filtering container 12 above the liquid outlet 14, a plurality of stages of filtering membranes 20 with gradually reduced pore diameters from top to bottom are arranged in the filtering container 12 between the liquid inlet 11 and the negative pressure air extraction opening 13, intervals are arranged between every two adjacent stages of filtering membranes 20, and a liquid outlet 21 with a sealing cover is arranged on the side wall of the filtering container 12 between every two adjacent stages of filtering membranes 20;
the upper end surface of the filtering container 12 is provided with a circular groove with air holes 22, an air valve cover 23 hinged with the upper end surface of the filtering container 12 is arranged in the circular groove, and a sealing protrusion 24 corresponding to the air holes 22 is arranged on the air valve cover 23. The negative pressure device is prior art and is not described herein again.
When the device is used, a feces sample of a healthy person is placed in a plastic sealing bag at the first time, feces are kept in an anaerobic environment, then the sealing bag is placed on the upper end face of a crushing barrel 1 filled with diluent 28, then a sealing cover 6 is covered, the sealing cover 6 moves downwards, when an annular cutting edge of the crushing barrel 1 is contacted with an annular cutting edge of the sealing cover 6, the sealing bag can be cut into two halves, the half containing the feces sample automatically falls into the crushing barrel 1, a hand handle 8 drives a rotating shaft 4 to rotate, a sharp projection 5 on the rotating shaft 4 and a sharp projection 5 on a filter screen 2 move relatively, the sealing bag is rapidly cut, the feces are diluted and filtered through the filter screen 2 to obtain the feces liquid without large granular impurities, a switch valve of a liquid outlet is opened, the feces liquid is discharged into a filter device which is vacuumized under negative pressure, and after the feces liquid completely enters the filter device, and (3) closing the switch valve, opening the air valve cover 23 on the upper end surface of the filtering container 12, and finally obtaining the beneficial intestinal flora after the fecal liquid is subjected to multi-stage filtering.
Example 2
Referring to fig. 2, 3, 4, 7 and 8, the present invention provides an intestinal content flora extracting device, comprising a crushing device, an extracting tube 25 connected with the crushing device, and a negative pressure device connected with the extracting tube 25; the crushing device comprises a crushing barrel 1 with a sealing cover 6, annular grooves are formed in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, and annular cutting edges 17 which are matched with each other are arranged in the two annular grooves, namely the annular cutting edges 17 which are matched with each other are arranged in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, so that the cutting-off effect is achieved; the height of the inner side wall 18 of the annular groove of the sealing cover 6 is smaller than that of the outer side wall 16 of the annular groove of the sealing cover 6, and the cut-off part inside the crushing barrel 1 can smoothly fall into the crushing barrel 1; the height of the annular cutting edge 17 is less than the height of the outer side wall 16 of the annular groove and the height of the inner side wall 18 of the annular groove.
A filter screen 2 is arranged on the inner wall of the bottom of the crushing barrel 1, spine protrusions 5 are uniformly distributed on the upper end face of the filter screen 2, a rotating shaft 4 fully distributed with the spine protrusions 5 is arranged on the side wall of the crushing barrel 1 above the filter screen 2, two ends of the rotating shaft 4 are horizontally arranged on the side wall of the crushing barrel 1 through bearings 3, and one end of the rotating shaft 4 penetrates through the side wall of the crushing barrel 1 and is provided with a handle 8;
the sealing cover 6 is provided with a circular groove with an air hole 22, an air valve cover 7 (or 23 in the figure) hinged with the sealing cover 6 is arranged in the circular groove, and a sealing protrusion 24 corresponding to the air hole 22 is arranged on the air valve cover 7 (or 23 in the figure);
the crushing barrel 1 is filled with diluent 28; a liquid outlet 14 with a switch valve is arranged on the side wall of the lower part of the crushing barrel 1.
A sealing cover 6 of the crushing device is in threaded connection with the crushing barrel 1, the sealing cover is provided with an internal thread, and the crushing barrel 1 is provided with an external thread 15 connected with the internal thread; or, be located the annular groove outside evenly be provided with a plurality of L type breach 19 on the lateral wall of broken bucket 1, be located the annular groove outside the lateral wall surface of sealed lid is provided with the reference column that uses with L type breach 19 cooperation.
The extraction tube 25 comprises a tube body and a plurality of stages of filtering membranes 20 which are hermetically connected with the inner wall of the tube body, a liquid inlet 11 is arranged at the upper end of the tube body, a liquid outlet 9 of the crushing device is connected with the liquid inlet 11, a negative pressure air exhaust port 13 connected with a negative pressure device is arranged at the lower end of the tube body, a hard liquid storage box 26 communicated with the tube body is hermetically arranged on the side wall close to the tube body at the lower end of the tube body, and the aperture of each filtering membrane 20 is gradually reduced from top to bottom.
The tube body is made of silica gel, soft rubber, PVC or soft plastic, the hard liquid storage box 26 is made of hard plastic, and an upper port of the hard liquid storage box 26 and the tube body are integrally formed; the aperture of the filtering membrane 20 is 0.0004-5.00 mm.
When the device is used, a feces sample of a healthy person is placed in a plastic sealing bag at the first time, feces are kept in an anaerobic environment, then the sealing bag is placed on the upper end face of a crushing barrel 1 filled with diluent 28, then a sealing cover 6 is covered, the sealing cover 6 moves downwards, when an annular cutting edge of the crushing barrel 1 is contacted with an annular cutting edge of the sealing cover 6, the sealing bag can be cut into two halves, the half containing the feces sample automatically falls into the crushing barrel 1, a hand handle 8 drives a rotating shaft 4 to rotate, a sharp projection 5 on the rotating shaft 4 and a sharp projection 5 on a filter screen 2 move relatively, the sealing bag is rapidly cut, the feces are diluted and filtered through the filter screen 2 to obtain the feces liquid without large granular impurities, a switch valve of a liquid outlet is opened, the feces liquid is discharged into a filter device which is vacuumized under negative pressure, and after the feces liquid completely enters the filter device, and (4) closing the switch valve, and finally obtaining the beneficial intestinal flora after the fecal liquid is subjected to multi-stage filtration.
Example 3
Referring to fig. 9, 10 and 11, an embodiment of the present invention provides an intestinal content flora extraction device, which includes a sample collection device and a collection bag 29; the sample collecting device comprises a cylindrical collecting container 27 with an opening at the upper end and an upper cover 33 arranged on the upper end surface of the collecting container 27, wherein a circular through hole or an oval through hole 40 is arranged on the upper cover 33, an inverted cone-shaped collecting cover 30 is arranged below the upper cover 33, and a collecting bag 29 is arranged at the lower end opening of the collecting cover 30;
the side wall of the collection bag 29 near the opening (collection bag upper edge 38) is provided with a sealing component which can be sleeved on the lower port of the collection cover 30; the collection container holds a diluent 28.
The sealing component is a magnetic strip 37, two magnetic strips 37 are symmetrically arranged on the side wall of the collecting bag 29 close to the opening, and two ends of the two magnetic strips 37 are hinged through a hinge shaft 36.
The upper end surface of the collection container 27 is bent inwards to form an annular limiting plate 32, an annular groove is formed in the upper end surface of the annular limiting plate 32, and an annular protrusion 31 matched with the annular groove is formed in the lower end surface of the upper cover 33.
The side wall of the collecting container 27 is provided with an article taking opening 34, and the side wall of the collecting container 27 is hinged with an article taking door 41 corresponding to the article taking opening 34. Be provided with the scale mark on the inner wall of collection container 27, guarantee that the liquid level height of diluent 28 just contacts the collection bag 29 of cover on collecting cover 30, magnetic stripe 37 can make the collection bag just overlap on collecting cover 39 and just do not fall, when excrement and urine got into the collection bag, gravity can lead to collecting bag 39 downstream.
One end of the magnetic strip 37 of the collection bag 29 is connected with a pull rope 35 through a lock catch 39.
During the use, hold diluent 28 to scale mark in will gathering container 27, will overlap the upper cover 33 side of collecting bag 29 on gathering container 27, wait to gather the healthy personnel of sample and sit on upper cover 33, when excrement and urine gets into the collection bag, the collection bag can lead to collecting bag 39 downstream because gravity increases, when breaking away from and collecting cover 30, magnetic stripe 37 attracts rapidly and excludes the gas in the collection bag as far as possible under the pressure of diluent, has improved the anaerobic quality in the collection bag 39.
Example 4
Referring to fig. 2-4 and 9-13, an embodiment of the present invention provides an anaerobic type fecal bacteria extraction device, which includes a sample collection device and a collection bag 29; the sample collecting device comprises a cylindrical collecting container 27 with an opening at the upper end and an upper cover 33 arranged on the upper end surface of the collecting container 27, wherein a circular through hole or an oval through hole 40 is arranged on the upper cover 33, an inverted cone-shaped collecting cover 30 is arranged below the upper cover 33, and a collecting bag 29 is arranged at the lower end opening of the collecting cover 30;
the side wall of the collection bag 29 close to the opening is provided with a sealing component which can be sleeved on the lower port of the collection cover 30; the collection container holds a diluent 28.
The sealing component is a magnetic strip 37, two magnetic strips 37 are symmetrically arranged on the side wall, close to the opening, of the collecting bag 29, and two ends of the two magnetic strips 37 are hinged.
The upper end surface of the collection container 27 is bent inwards to form an annular limiting plate 32, an annular groove is formed in the upper end surface of the annular limiting plate 32, and an annular protrusion 31 matched with the annular groove is formed in the lower end surface of the upper cover 33.
The side wall of the collecting container 27 is provided with an article taking opening 34, and the side wall of the collecting container 27 is hinged with an article taking door 41 corresponding to the article taking opening 34.
One end of the magnetic strip 37 of the collection bag 29 is connected with a pull rope 35 through a lock catch 39.
The extraction device also comprises a crushing device, the crushing device comprises a crushing barrel 1 with a sealing cover 6, annular grooves are formed in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, and annular cutting edges 17 matched with each other are arranged in the two annular grooves, namely the annular cutting edges 17 matched with each other are arranged in the upper end face of the crushing barrel 1 and the end face of the port of the sealing cover 6, so that the effect of cutting off the sealing port of the collection bag 29 is achieved; the height of the inner side wall 18 of the annular groove of the sealing cover 6 is smaller than that of the outer side wall 16 of the annular groove of the sealing cover 6, so that a cut-off collecting bag in the crushing barrel 1 can smoothly fall into the crushing barrel 1; the height of the annular cutting edge 17 is less than the height of the outer side wall 16 of the annular groove and the height of the inner side wall 18 of the annular groove.
A filter screen 2 is arranged on the inner wall of the bottom of the crushing barrel 1, spine protrusions 5 are uniformly distributed on the upper end face of the filter screen 2, a rotating shaft 4 fully distributed with the spine protrusions 5 is arranged on the side wall of the crushing barrel 1 above the filter screen 2, two ends of the rotating shaft 4 are horizontally arranged on the side wall of the crushing barrel 1 through bearings 3, and one end of the rotating shaft 4 penetrates through the side wall of the crushing barrel 1 and is provided with a handle 8;
the sealing cover 6 is provided with a circular groove with an air hole 22, an air valve cover 7 (or 23 in the figure) hinged with the sealing cover 6 is arranged in the circular groove, and a sealing protrusion 24 corresponding to the air hole 22 is arranged on the air valve cover 7 (or 23 in the figure);
the crushing barrel 1 is filled with diluent 28; a liquid outlet 14 with a switch valve is arranged on the side wall of the lower part of the crushing barrel 1.
A sealing cover 6 of the crushing device is in threaded connection with the crushing barrel 1, the sealing cover is provided with an internal thread, and the crushing barrel 1 is provided with an external thread 15 connected with the internal thread; or, be located the annular groove outside evenly be provided with a plurality of L type breach 19 on the lateral wall of broken bucket 1, be located the annular groove outside the lateral wall surface of sealed lid is provided with the reference column that uses with L type breach 19 cooperation.
The extraction device also comprises a filtering device, the filtering device comprises a liquid inlet cylinder 42, a plurality of middle cylinders 43 and a liquid outlet cylinder 44, and cambered surface filter screens are arranged in the middle cylinders 43 and the liquid outlet cylinder 44; annular blocking edges 45 are arranged on the inner side wall of the middle barrel 43 close to the upper port and the inner wall of the liquid outlet barrel 44 close to the upper port, the cambered surface filter screen comprises an annular supporting plate 46 and a cambered surface supporting net 48 arranged on the lower end face of the annular supporting plate 46, a filter membrane is arranged in a mesh hole of the cambered surface supporting net 48, and the annular supporting plate 46 is supported on the annular blocking edges 45 and is tightly pressed on the annular blocking edges 45 through the lower end port of the middle barrel 43 adjacent to the upper part;
an upper port of the middle cylinder 43 is provided with internal threads, a lower port of the middle cylinder 43 is provided with external threads, a lower port of the liquid inlet cylinder 42 is provided with external threads matched with the internal threads of the middle cylinder 43 for use, and an upper port of the liquid outlet cylinder 44 is provided with external threads matched with the internal threads of the middle cylinder 43 for use; the plurality of intermediate cylinders 43 are connected by screw threads;
a liquid outlet 14 is arranged at the lower end of the liquid outlet cylinder 44, and a negative pressure pumping hole 13 is arranged on the side wall of the liquid outlet cylinder 44;
a circular groove with air holes is arranged on the upper end surface of the liquid inlet cylinder 42, and an air valve cover hinged with the sealing cover is arranged in the circular groove; or the side walls of the liquid inlet cylinder, the liquid outlet cylinder and the middle cylinder are made of soft materials, such as silica gel, soft rubber, PVC or soft plastic. A plurality of flexible cleaning balls 47 are placed in the cambered surface filter screen, the flexible cleaning balls 47 are soft balls, the surfaces of the flexible cleaning balls 47 are fully distributed with thorns, and the flexible cleaning balls 47 are in the prior art and are not described again.
During the use, hold diluent 28 to scale mark in will gathering container 27, will overlap the upper cover 33 side of collecting bag 29 on gathering container 27, wait to gather the healthy personnel of sample and sit on upper cover 33, when excrement and urine gets into the collection bag, the collection bag can lead to collecting bag 39 downstream because gravity increases, when breaking away from and collecting cover 30, magnetic stripe 37 attracts rapidly and excludes the gas in the collection bag as far as possible under the pressure of diluent, has improved the anaerobic quality in the collection bag 39. Then, the sealing bag is placed on the upper end face of the crushing barrel 1 filled with the diluent 28, then the sealing cover 6 is covered, the sealing cover 6 moves downwards, when the annular cutting edge of the crushing barrel 1 is contacted with the annular cutting edge of the sealing cover 6, the sealing bag can be cut into two halves, one half containing the excrement sample automatically falls into the crushing barrel 1, the hand-operated handle 8 drives the rotating shaft 4 to rotate, the sharp-pointed protrusions 5 on the rotating shaft 4 and the sharp-pointed protrusions 5 on the filter screen 2 move relatively, the sealing bag is rapidly scratched, excrement is diluted and filtered through the filter screen 2 to obtain excrement liquid with large granular impurities removed, the switch valve of the liquid outlet is opened, the excrement liquid is discharged into the filter device which is vacuumized under negative pressure, after all the excrement liquid enters the filter device, the switch valve is closed, and the excrement liquid is filtered in multiple stages to finally obtain beneficial flora in intestinal tracts.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. An anaerobic fecal bacteria extraction device is characterized in that the extraction device comprises a sample collection device, a collection bag, a crushing device and a filtering device; the sample collecting device comprises a cylindrical collecting container with an opening at the upper end and an upper cover arranged on the upper end surface of the collecting container, wherein a circular through hole or an oval through hole is formed in the upper cover, an inverted cone-shaped collecting cover is arranged below the upper cover, and the lower port of the collecting cover is provided with the collecting bag;
a sealing assembly is arranged on the side wall of the collecting bag close to the opening, and the sealing assembly can be sleeved on the lower port of the collecting cover;
diluent is contained in the collection container;
the sealing assembly is a magnetic strip, two magnetic strips are symmetrically arranged on the side wall of the collecting bag close to the opening, and two ends of the two magnetic strips are hinged;
the side wall of the collecting container is provided with an object taking opening, and the side wall of the collecting container is hinged with an object taking door corresponding to the object taking opening;
one end of the magnetic strip of the collecting bag is connected with a pull rope;
the crushing device comprises a crushing barrel with a sealing cover, annular grooves are formed in the upper end face of the crushing barrel and the end face of the port of the sealing cover, and annular cutting edges matched with each other are arranged in the two annular grooves; the height of the inner side wall of the annular groove of the sealing cover is smaller than that of the outer side wall of the annular groove of the sealing cover;
a filter screen is arranged on the inner wall of the bottom of the crushing barrel, spine protrusions are uniformly distributed on the upper end surface of the filter screen, a rotating shaft fully distributed with the spine protrusions is arranged on the side wall of the crushing barrel above the filter screen, and one end of the rotating shaft penetrates through the side wall of the crushing barrel and is provided with a handle;
the crushing barrel is filled with the diluent; a liquid outlet with a switch valve is arranged on the side wall of the lower part of the crushing barrel;
the extraction method of the extraction device comprises the following specific steps: when the collecting cover is detached, the magnetic strip quickly attracts and exhausts gas in the collecting bag under the pressure of the diluent, so that the anaerobic quality in the collecting bag is improved; then, the sealing bag is placed on the upper end face of a crushing barrel filled with diluent, then the sealing cover is covered, the sealing cover moves downwards, when an annular cutting edge of the crushing barrel is in contact with an annular cutting edge of the sealing cover, the sealing bag can be cut into two halves, the half containing the excrement sample automatically falls into the crushing barrel, a hand-operated handle drives a rotating shaft to rotate, a sharp-pointed protrusion on the rotating shaft and a sharp-pointed protrusion on a filter screen move relatively, the sealing bag is rapidly scratched, excrement is diluted and filtered through the filter screen to obtain excrement liquid with large granular impurities removed, a switch valve of a liquid outlet is opened, the excrement liquid is discharged into a filter device which is vacuumized under negative pressure, after all the excrement liquid enters the filter device, the switch valve is closed, and the excrement liquid is subjected to multistage filtration to finally obtain beneficial intestinal flora.
2. The extraction device as claimed in claim 1, wherein the upper end surface of the collection container is bent inwards to form an annular limiting plate, an annular groove is formed on the upper end surface of the annular limiting plate, and an annular protrusion matched with the annular groove is formed on the lower end surface of the upper cover.
3. The extraction apparatus as claimed in claim 1, wherein the sealing cover is provided with a circular groove having an air hole, and an air valve cover hinged to the sealing cover is provided in the circular groove.
4. The extraction device according to claim 1 or 2, further comprising a filtering device, wherein the filtering device comprises a liquid inlet cylinder, a plurality of intermediate cylinders and a liquid outlet cylinder, and cambered surface filter screens are arranged in the intermediate cylinders and the liquid outlet cylinder; annular retaining edges are arranged on the inner side wall of the middle cylinder close to the upper port and the inner wall of the liquid outlet cylinder close to the upper port, the cambered surface filter screen comprises an annular support plate and a cambered surface support screen arranged on the lower end face of the annular support plate, a filter membrane is arranged in a mesh hole of the cambered surface support screen, and the annular support plate is supported on the annular support plate;
an upper port of the middle cylinder is provided with an internal thread, a lower port of the middle cylinder is provided with an external thread, a lower port of the liquid inlet cylinder is provided with an external thread matched with the internal thread of the middle cylinder for use, and an upper port of the liquid outlet cylinder is provided with an internal thread matched with the internal thread of the middle cylinder for use; the plurality of intermediate cylinders are connected through threads;
a liquid outlet is formed in the lower end of the liquid outlet cylinder, and a negative-pressure air exhaust port is formed in the side wall of the liquid outlet cylinder;
the upper end face of the liquid inlet cylinder is provided with a circular groove with an air hole, and an air valve cover hinged to the sealing cover is arranged in the circular groove.
5. The extraction apparatus as claimed in claim 4, wherein a plurality of flexible cleaning balls are placed in the cambered surface filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215283.XA CN108251288B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal bacteria extraction device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269238.3A CN105886382B (en) | 2016-04-27 | 2016-04-27 | A kind of intestinal contents flora extraction element |
| CN201810215283.XA CN108251288B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal bacteria extraction device and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610269238.3A Division CN105886382B (en) | 2016-04-27 | 2016-04-27 | A kind of intestinal contents flora extraction element |
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| CN108251288A CN108251288A (en) | 2018-07-06 |
| CN108251288B true CN108251288B (en) | 2021-10-08 |
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| CN201810213341.5A Expired - Fee Related CN108330057B (en) | 2016-04-27 | 2016-04-27 | Intestinal content flora extraction device and extraction method |
| CN201810214744.1A Active CN108485938B (en) | 2016-04-27 | 2016-04-27 | Anaerobic collection device and collection method for fecal strain extraction |
| CN201810214107.4A Active CN108410712B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal strain extraction device and method |
| CN201810214745.6A Active CN108467827B (en) | 2016-04-27 | 2016-04-27 | Fecal flora extraction device |
| CN201610269238.3A Expired - Fee Related CN105886382B (en) | 2016-04-27 | 2016-04-27 | A kind of intestinal contents flora extraction element |
| CN201810215282.5A Active CN108441412B (en) | 2016-04-27 | 2016-04-27 | Anaerobic collection and crushing device for fecal strain extraction |
| CN201810215284.4A Active CN108264999B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal flora extraction device |
| CN201810215283.XA Active CN108251288B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal bacteria extraction device and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810213341.5A Expired - Fee Related CN108330057B (en) | 2016-04-27 | 2016-04-27 | Intestinal content flora extraction device and extraction method |
| CN201810214744.1A Active CN108485938B (en) | 2016-04-27 | 2016-04-27 | Anaerobic collection device and collection method for fecal strain extraction |
| CN201810214107.4A Active CN108410712B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal strain extraction device and method |
| CN201810214745.6A Active CN108467827B (en) | 2016-04-27 | 2016-04-27 | Fecal flora extraction device |
| CN201610269238.3A Expired - Fee Related CN105886382B (en) | 2016-04-27 | 2016-04-27 | A kind of intestinal contents flora extraction element |
| CN201810215282.5A Active CN108441412B (en) | 2016-04-27 | 2016-04-27 | Anaerobic collection and crushing device for fecal strain extraction |
| CN201810215284.4A Active CN108264999B (en) | 2016-04-27 | 2016-04-27 | Anaerobic fecal flora extraction device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020039433A1 (en) * | 2018-08-20 | 2020-02-27 | The Medical Research, Infrastructure and Health Services Fund of the Tel Aviv Medical Center | Fecal processing device and methods |
| KR102209997B1 (en) * | 2019-01-28 | 2021-01-29 | 이화여자대학교 산학협력단 | A device for producing a suspension for fecal microbiota transplantation |
| KR102234849B1 (en) | 2019-03-27 | 2021-04-01 | 주식회사 바이오뱅크힐링 | Fecal pretreatment kit for preparation of Fecal Microbiota Transplantation solution |
| CN112226344B (en) * | 2020-10-14 | 2023-08-18 | 大连大学 | Anaerobic extraction and encapsulation intestinal flora integrated machine |
| CN114028867B (en) * | 2021-11-08 | 2023-06-27 | 武汉市农业科学院 | Quick extraction element of beasts and birds excrement and urine fungus crowd based on anaerobic condition |
| CN115261271B (en) * | 2022-08-01 | 2023-12-12 | 厦门承葛生物科技有限公司 | High-flux separation culture and screening method for intestinal flora |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108330057B (en) | 2021-09-10 |
| CN108485938B (en) | 2021-12-17 |
| CN105886382A (en) | 2016-08-24 |
| CN108410712B (en) | 2022-03-08 |
| CN108264999B (en) | 2022-02-11 |
| CN108441412B (en) | 2022-12-06 |
| CN108467827A (en) | 2018-08-31 |
| CN108251288A (en) | 2018-07-06 |
| CN108410712A (en) | 2018-08-17 |
| CN108485938A (en) | 2018-09-04 |
| CN108330057A (en) | 2018-07-27 |
| CN108467827B (en) | 2021-12-31 |
| CN105886382B (en) | 2018-04-24 |
| CN108441412A (en) | 2018-08-24 |
| CN108264999A (en) | 2018-07-10 |
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Effective date of registration: 20210916 Address after: 266034 Qingdao city women and children's Hospital, 6 Tongfu Road, Shibei District, Qingdao, Shandong Applicant after: QINGDAO WOMEN AND CHILDREN'S Hospital Address before: 264006 No. 139, Limin mansion, 58 Changjiang Road, Yantai economic and Technological Development Zone, Shandong Applicant before: YANTAI MINWANG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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