27 results about "Preservation fluid" patented technology

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes an antimicrobial treatment mechanism to inactivate microbes flushed from the biological sample by preservation fluid flowed therethrough. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature while simultaneously treating microbial infections to prevent transmission between a donor and a recipient.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for perfusing an organ, for example a kidney or a heart. Preservation fluid can be pumped from a transport container to the organ through a cannula or organ adapter. A flow regulator valve can control the rate of flow of the preservation fluid based on renal resistance of the kidney or arterial resistance of the organ. The pump can operate at a rate independent of the arterial resistance.

A transport container for transporting an organ (T), such as a kidney, at hypothermic temperatures. The transport container comprises an inner lid (40) and a canister (38) that can be filled with preservation fluid. The preservation fluid can be pumped from the canister to the organ through a cannula. A flow regulator valve (48) can release the preservation fluid from the fluid path into the transport container at a rate based on at least one organ parameter (such as renal resistance of the kidney), whereas the pump can operate at a rate independent of the at least one organ parameter. The transport container may further comprise a fill port (28) and a vent port in the inner lid, and an organ rest (18).

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.

The utility model provides a tick microscopic observation specimen preservation device which comprises an upper slide and a lower slide, the surface of the lower slide is concavely provided with a preservation groove, the upper slide and the lower slide are glued through adhesive glue, the surface of the lower slide is further provided with a liquid injection channel, one end of the liquid injection channel is communicated with the preservation groove, and the other end of the liquid injection channel is communicated with the outside. Female and male ticks are placed in the storage tank at the same time, then the upper slide and the lower slide are glued through the adhesive, so that the storage tank forms a sealed space, tick specimens can be stored for a long time, and then the preservative is injected into the storage tank through the liquid injection channel by an injector to achieve the preservative effect. The liquid injection channel is used for supplementing preservatives into the preservation groove at any time, so that the tick specimens can be completely soaked in alcohol (or other preservative solutions), the anti-corrosion effect is achieved, and the device can be directly placed under an integrated microscope for morphological observation through the transparent characteristics of the upper glass slide and the lower glass slide.

The application discloses a kind of pharmaceutical composition, organ preservation fluid and its application, the pharmaceutical composition includes seduxian and edaravone.The mass ratio of seduxian and edaravone is 1:0.0001-10000.The cell protection effect of the pharmaceutical composition of the application is good, seduxian and edaravone show synergistic effect, help to obtain excellent curative effect, and reduce drug dosage, help to improve clinical drug safety.

The present invention belongs to the field of bioengineering technology, and discloses a preparation method and application of an amniotic membrane extract. Fresh amniotic membrane is disinfected, cleaned, and dried in sequence, and then crushed in an ice bath. Then, the crushed liquid is centrifuged and filtered to obtain the amniotic membrane extract. The dry matter of the amniotic membrane extract meets the following requirements: total protein content ≥78.02%, total sugar content ≥10.87%, fat content ≤3.53%, and ignition residue content ≤1.64%. The present invention improves the extraction efficiency of total protein and total sugar in the amniotic membrane extract by changing the existing production process of frozen crushing or liquid crushing, crushing the amniotic membrane in an ice-water mixture, and combining the control of process parameters such as crushing, which is beneficial to the promotion and application of the amniotic membrane extract in the preparation of ocular preparations such as ocular surface lubricating liquid, and improves the clinical use effect. In addition, the amniotic membrane extract can also be used as a functional component of biological amniotic membrane preservation liquid and combined with amniotic membrane covering surgery for the treatment of ocular surface diseases.

The present invention relates to the field of cell preservation fluid, and provides a cell preservation fluid and a red blood cell simulant, and a preparation method and application thereof. The cell preservation fluid comprises a polyphenol compound, a buffer system, a metal chelator, a nutrient, a metabolic regulator, mannitol, a poloxamer, and an optional preservative. The preparation method of the red blood cell simulant comprises the following steps: taking venous blood from a mammal and purifying it to obtain red blood cells; then fixing the obtained red blood cells with a fixative; and then dispersing the red blood cells obtained by the fixation in the cell preservation fluid of the present invention. The cell preservation fluid of the present invention is beneficial to improving the stability of red blood cells and maintaining good uniformity of red blood cells; the red blood cells in the red blood cell simulant of the present invention have good opening stability, thermal stability, and long-term stability, and the coefficient of variation of the red blood cells is low, and the product batch reproducibility is good.

The invention provides a kidney in-vitro low-temperature preservation and rewarming reperfusion method, preservation fluid and perfusion fluid, and belongs to the technical field of biomedical engineering.The method comprises the steps that an isolated organ sample is placed in deep supercooling preservation fluid, an oil layer is added to the surface of the isolated organ sample to isolate air, and deep supercooling preservation is conducted for 1-7 days under the condition that the deep supercooling temperature is minus 10 DEG C; after the preservation is finished, connecting the isolated organ sample into a perfusion system for rewarming and reperfusion: transitioning from a deep supercooling temperature of-10 DEG C to a set temperature, heating by stages, gradually increasing the perfusion pressure, and supplying oxygen at the same time; wherein perfusate used for reperfusion is cell-free perfusate, and the perfusate is based on low-sugar DMEM (Dulbecco Modified Eagle Medium) and supplements nutrient substances and creatinine. According to the invention, cell damage and oxidative stress caused by rapid rewarming to organs can be reduced to a certain extent.

1. The name of the product of this design: Sample preservation fluid intestinal flora gene detection kit. 2. Purpose of this design product: to provide sturdy and easy-to-use packaging. 3. The key design points of this design product are the combination of shape, pattern and color. 4. The picture or photo that best illustrates the design points: reference picture of the expanded state. 5. The design for which protection is sought includes color.

The utility model discloses a urine specimen preservation device in the technical field of urine specimen preservation, which comprises a cup body and a cup cover clamped with the cup body, the top of the cup body is clamped with an annular support table, the bottom of the support table is provided with an annular groove filled with preservative liquid, and the annular groove is provided with a sealing film; the supporting table is provided with safety holes and insertion holes in a staggered mode, the cup cover is fixedly provided with push rods inserted into the safety holes or the insertion holes, the cup body is rotationally connected with a swing rod, the swing rod is fixedly connected with a push plate in a sleeved mode, and the push rod is inserted into the insertion holes to push the push plate to rotate towards the sealing film and tear off the sealing film. According to the invention, the use safety can be improved.

The invention discloses an overexpression antigen cell fixed dry-type preservation method for cellular immunofluorescence, particularly relates to the technical field of cell biology, and relates to an overexpression antigen cell fixed dry-type preservation method for cellular immunofluorescence. The overexpression antigen cell fixed dry-type preservation method comprises the following steps: cleaning to-be-preserved cells by using a 1 * PBS solution, fixing by using a PFA stationary liquid, cleaning again by using the 1 * PBS solution, repairing by using an antigen repairing liquid, sealing by using a sealing liquid, carrying out preservative treatment by using a preservation preservative liquid, and carrying out air-drying and cryopreservation. According to the present invention, the ammonium sulfate-based antigen repair liquid is introduced, the cells are subjected to mild treatment after fixation, and the antigen epitopes shielded due to paraformaldehyde excessive cross-linking are reversibly opened by using the suitable ion strength, such that the antigen and antibody binding capacity is significantly recovered, and the antigen binding preservation capacity of the overexpression antigen cells is improved.

To provide a dead body preservation liquid capable of preserving a dead body for a long term by preventing occurrence of mold.SOLUTION: A dead body preservation liquid contains aliphatic aldehyde, methanol, and cationic antimicrobial agent.SELECTED DRAWING: None

The utility model relates to a device for carrying out fecology examination on a fecal sample dissolved in a preservative mixture, which can be used in the medical industry. According to the scheme, a fine-mesh separation net which is made of a high polymer material and has the aperture of 0.4-1.2 mm is arranged in an inner cavity of a body of the cover of the faecology research container. The utility model aims to realize the technical result of increasing the possibility of detecting intestinal parasite wastes in a mixture obtained from a container of a preservative solution for fecal examination and a fecal sample containing the intestinal parasite wastes.

The utility model relates to the field of cells, and in particular to a filling machine for preparing cell preservation fluid, comprising a base, the output shaft of the first motor being rotatably connected to the base through a bearing, the output shaft of the first motor being connected to a disc through a reduction box, and a plurality of blocks being fixedly connected to the upper end of the disc. The filling machine for preparing cell preservation fluid, through the cooperation of a collecting mechanism and a filling machine body, the rod body drives the cross block to move to the left through a pin shaft, and the cross block drives the frame to move, and the frame collects the cell preservation fluid remaining on the inner wall of the filling place of the filling machine body in the above manner, thereby reducing the waste of resources, and through the cooperation of the collecting mechanism and the base, the distance between the first vertical block and the second vertical block is adjusted in the above manner to place a larger box for stacking filling containers, so that there is no need to frequently occupy working time to replace the box, thereby improving work efficiency.

The present invention relates to the technical field of cytopathology detection, and in particular to a quality control product for cervical liquid-based cytology projects and a preparation method thereof; the product comprises quality control cells and a cervical liquid-based cytology preservation fluid, wherein the quality control cells are extracted from cervical liquid-based cytology samples; the inventors prepare the quality control product by collecting samples remaining after routine clinical pathology laboratory testing, and perform dynamic observation and analysis to ultimately obtain the above-mentioned quality control product for cervical liquid-based cytology projects. The quality control product is prepared by classifying, breaking up, filtering, washing, fixing, shedding, removing residues, extracting and other steps of a plurality of cervical exfoliated liquid-based cytology samples from different individuals, without causing mutual influence or interference, and can be preserved for a long time, having the feasibility of being used as a quality control product, and having good stability, and can be used as a quality control product in routine quality control in clinical pathology laboratories.

To provide a specimen container which can easily seal a specimen or the like in the container at the specimen collection site and, at that time, can supply an appropriate amount of preservative liquid to the sealed container containing the specimen or the like without exposing it to the outside world. [Solution] A specimen container comprising a storage vessel 1 that contains and seals a specimen S, a reservoir 2 that contains and seals a preservative liquid L in which the specimen S is immersed, a liquid passage 4 that connects the storage vessel 1 to the bottom of the reservoir 2, an air passage 5 that connects the upper part of the storage vessel 1 to the upper part of the reservoir 2, and a liquid supply means 6 that opens and closes the liquid passage 4, wherein the storage vessel 1 and the reservoir 2 are transparent or translucent, and the reservoir 2 seals the upper opening of the storage vessel 1 with its lower end surface in an openable and closable manner.

The invention discloses a body fluid sampling device for an infectious disease patient. The body fluid sampling device comprises a preserving fluid release cavity piece, a connecting and wrapping pipe piece, an elution cavity piece and a detection swab body. The invention belongs to the field of medical instruments, and particularly relates to a body fluid sampling device for patients with infectious diseases. According to the detection swab disclosed by the invention, body fluid self-taking of a patient with infectious diseases is realized through the provided detection swab body, the preservation fluid is released by the preservation fluid release cavity piece while the detection swab body is pulled out, the swab body is inserted back into the device again after sampling, and the swab end is soaked in the preservation fluid and is fully eluted through the elution cavity piece; the medical staff can conveniently extract the preserving fluid for detection after unified disinfection treatment in the later period, the infection risk of the medical staff is greatly reduced by reducing contact between infectious disease patients or suspected patients and front-line medical staff, and infection prevention and control are effectively carried out.

A system for the hypothermic transport of biological samples, such as tissues, organs, or body fluids. The system includes a self-purging preservation apparatus to suspend a sample in preservation fluid and perfuse a tissue with preservation fluid. The self-purging preservation apparatus is placed in an insulated transport container having a cooling medium. When assembled, the system allows for transport of biological samples for extended periods of time at a stable temperature.