摘要:
The straw includes a tube (11) extending between a first end (16) and a second end (17) and includes a gas-permeable but liquid-impermeable plug (12). The tube (11) is made of a thermochromic material that reversibly changes colour at a preset temperature threshold, by virtue of which colour change the tube (11) has a first visual appearance if the temperature thereof is below said preset threshold and a second visual appearance that is different from the first visual appearance if the temperature thereof is above said preset threshold.
摘要:
An assembly is provided for freezing a plurality of conditioning tubes each filled with a predetermined volume of biological substance, in which each of the tubes is driven in rotation in a flow of cooling agent, the assembly including a cooling enclosure configured in order to be passed through by the flow of cooling agent and a conditioning unit which is removable and placed in the enclosure; the unit is provided with a greater capacity than the plurality of tubes in order to directly receive this plurality of the tubes, the enclosure is fixed and the assembly includes a unit for driving the conditioning unit in rotation, which unit for driving in rotation is provided with a connection interface on which the removable conditioning unit is placed.
摘要:
The support comprises an object-carrying slide (11) and a cover glass (12) secured by lines of adhesive (13) peripherally defining individual compartments (14) for receiving a sample of the biological substance; characterised in that the upper face (17) of the object-carrying slide is bare and uncovered over at least one front marginal region (41) and at least one rear marginal region (42), each having an extension in the front-rear direction equal to at least 2.5 mm and an extension in the left-right direction equal to at least the distance between the respective axes of the two individual compartments furthest apart from one another. The system comprises the support (40) and a microscope for enclosing the support between a stage and a support plate provided with fingers, the distal ends of which are in contact with the marginal regions (41, 42) exclusively.
摘要:
A device for preserving a predetermined dose of liquid-based substance, notably animal semen or a preservation medium containing embryos or tissue samples, comprises a tube (11) made of a weldable plastics material. The tube allows a service state in which a receiving portion (21) intended to contain the said predetermined dose has a circular cross-section whereas a sealing portion (22) comprises a welded pinch (19) and a transition zone (23). Over at least part of the sealing portion a differentiating edge region (28) gives the external surface of the tube a visual appearance different from the visual appearance of the external surface of the tube outside of the differentiating edge region. A range comprises such a device and a similar device but without the differentiating edge region.
摘要:
The straw comprises a tube (11) and a gas-permeable liquid-tight stopper (12), which stopper is disposed in the tube in the neighborhood of one end (16), which tube and which stopper are configured for the stopper to be able to slide in the tube towards the other end (17), said tube being transparent or translucent, said stopper comprising an identifier component (13) configured to emit, when it is illuminated with ultraviolet light, light of which the spectrum comprises at least one peak having a crest of predetermined wavelength in visible light, whereas when it is illuminated by visible light said identifier component does not emit said light of which the spectrum comprises said peak.
摘要:
The bag comprises two flexible sheets (11) attached to each other by a weld area delimiting a pouch having a predefined volume when said bag is filled, said pouch being designed to contain a dose (27) of said diluted animal semen having said predefined volume. The surface (30) of each of said flexible sheets (11) faces said pouch (14) which is part of a layer (35) of weldable thermoplastic material. For one or preferably for each of said sheets (11), said layer of weldable thermoplastic material (35) comprises triclosan; and the ratio between said predefined volume of said pouch and the sum of the areas of the surfaces (30) of said sheets (11) facing said pouch is between 0.3 ml/cm2 and 0.5 ml/cm2. The system comprises such bags and an antibiotic-free dilution medium.
摘要:
The sheath (30) comprises a tube (31) and an end piece (32) that comprises a foot (33) introduced into an end portion of the tube (31), and a head (34) arranged in the extension of the tube (31). The foot (33) comprises, on the outer surface (40) thereof, a plurality of annular ribs (41-44) facing the inner surface (45) of the tube (31). The head (34) comprises a shoulder (38) facing the section (39) of the tube (31), projecting over the root of the foot (33). The end piece (32) and the tube (31) are attached to the periphery of at least one of said annular ribs exclusively by intrinsic welding. The method comprises the step of carrying out a peripheral tightening of the outer surface (37) of the tube on a level with the ribs (41 -44), and the step of applying a sonotrode to the outer surface (35-36) of the head (34).
摘要:
The invention concerns a system for collecting animal semen, comprising a container (3) configured to be mounted on an end (9) of an artificial vagina (2), having an internal space (15) configured to receive said semen and configured to comprise a first dilution extender (5) before receiving said semen, and said system (1) comprises a collecting device (4) configured to be at least partially inserted into said container and to be fastened to said vagina, and being interposed between said vagina and said container, said collecting device comprising a flow channel (23) for said semen extending within said internal space of said container and a discharge aperture (26) for said semen open to said internal space; and said system is configured to prevent, at least for the most part, said first dilution extender from passing in said flow channel of said collecting device.
摘要:
The straw comprises a tube (11) having a swelling plug (15) provided with a fibrous support agent and a swelling agent combined with the support agent and configured, at least close to a second end (18) of the swelling plug, after a liquid-based substance has come up against its second end, to be in a state of swelling constrained by said tube such that if a first part (26) of the swelling plug of length comprised between 2 mm and 3 mm starting from its second end has come out of the tube via a second end (14) of the tube, whereas a second part of the swelling plug remains in the tube, the first part of the swelling plug becomes decompacted and expands with the second end of the swelling plug which assumes a diameter (d) at least equal to one and a half times the inner diameter of the tube.
摘要:
A method for freezing a plurality of conditioning tubes is provided, each tube filled with a predetermined volume of biological substance, including arranging each conditioning tube directly into a conditioning unit placed in a cooling enclosure then causing the enclosure to be passed through by a flow of cooling agent and simultaneously driving the conditioning unit (6) in rotation, and providing the unit (6) with a greater capacity than the plurality of tubes; wherein the step of arranging each tube directly in a unit is carried out by placing the plurality of tubes into the unit, and the step of driving the unit in rotation is implemented by setting each tube in motion with respect to the unit and with respect to the other tubes.