Abstract: The invention relates to a device for cryogenic freezing of units for packaging a biological substance comprising a receptacle (2) configured such that a stream of vapour of a cryogenic agent circulates therein, having at its top an insertion opening (10) for inserting the packaging units into the receptacle (2), a lid (3) that is able to move between a closed position in which it closes the insertion opening (10) and an open position in which it leaves the insertion opening (10) open, and a port (4) for discharging the vapour, provided in the receptacle (2), characterised in that the device (1) further comprises a stopper (13) mechanically connected to the lid (3) such that, when the lid (3) is in the closed position, the stopper (13) is spaced apart from the port (4) and, when the lid (3) is in the open position, the stopper (13) closes the port (4).

Abstract: The invention relates to a straw comprising a tube (11) and a gas-permeable and liquid-tight stopper (12), said stopper (12) being arranged in the tube (11), close to an end (16). The invention is characterised in that the stopper (12) comprises an indicator component (20) having a first pre-determined colour in the absence of previous contact with said substance (21) and a second pre-determined colour, of a different shade from that of the first colour, once it has been in contact with said substance (21). The assembly comprises the straw (10) and a device (26) for controlling the filling of the straw.

Abstract: An appliance includes a handle, a speculum tube extending axially from the handle as far as a distal end where it has an opening, a video viewing system having a lens arranged in the speculum tube and a transmission device connected to the lens and connectable to a remote viewing screen, and a lens support for keeping the lens in a predetermined position with respect to the speculum tube, in which position the lens is near the opening and opposite the space situated beyond the opening, characterized in that the speculum tube has an end part and a main part extending between the end part and the handle, the end part being arranged around the support and delimiting the opening, the end part being elastically deformable and the main part being rigid.

Abstract: A straw includes a tube (11), a stopper (13) arranged in the tube and having a passage (35) extending through it, and an emptying needle (14) having a first portion (31) protruding from the stopper as far as a distal end (19) situated in the tube, and a second portion (32) situated in the passage (35) of the stopper, the needle and the stopper forming an insert (12) entirely disposed in the tube and having an internal conduit (24) fluidically connecting the internal spaces of the tube that are situated to either side of the insert, the internal conduit being formed at least in part by the needle. A method for emptying the straw includes establishing a fluidic communication between the needle and a receptacle, and making an opening in the tube in order to connect the dose of liquid-based substance to the atmosphere and allow it to flow.

Abstract: The assembly comprises a ramp (4) and a straw transfer device (60) comprising two lateral pads and a straw (1) collector arranged between the two lateral pads, the freezer ramp (4) and the transfer device (60) being configured to allow a first end position, to allow a second end position, and such that, by sliding the transfer device (60) from the first end position to the second end position with the pads that slide on angled sections (19) of the ramp (4), the plurality of straws (1) initially arranged on the ramp (4) is recovered in the collector of the transfer device (60).

Abstract: Assembly for handbag multiple straws for packaging animal semen, each having a predetermined diameter and a predetermined length, comprising a freezing ramp (4) that has a rim and a bottom surrounding a central free space (5), said bottom comprising two toothed walls (11, 25) which extend longitudinally along said central free space (5), each torn lied wall (11.25) having a toothing at its top, the toothings of said toothed walls (11, 25) being identical, with each trough being delimited by a surface having a curvature along said predetermined diameter, characterized in that it further comprises a crosspiece (100) comprising parts (103, 104) that are able to move with respect to one another and are configured to permit a position in which said crosspiece (100) is removably joined to said freezing ramp (4) at a location provided to receive at least one said straw (1).

Abstract: A support element for a plurality of packaging straws, the support element comprising a plate (31) and two flanges (37) rigidly connected to said plate (31) and comprising a fluted surface (53) having a plurality of similar grooves (36), each flange (37) comprising a central part as well as a first projecting part (42) and a second projecting part (43), each extending from one side of the central part, characterised in that the first projecting part comprises a bracket (42) having a bearing face and the second projecting part comprises another bracket (43) having another bearing face, said bearing face and said other bearing face being upwards facing and, in the direction of height, said bearing face being further from said plate (31) than said other bearing face. The assembly comprises the support element and a freezing rack (4).

Abstract: 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.

Abstract: The device (1) comprises an inlet element (28) comprising an interface (40) for connecting to an artificial vagina and delimiting an inlet opening (14), a filter delimiting with the inlet element (28) an inlet chamber (41) on the side of the filter turned towards the opening (14) and a collection bag (4) extending between a closed end (8) and an open end (7) in which said inlet element is engaged; said bag and said filter delimiting a collection chamber (42) on the side of the filter turned towards the end (8); by means of which the semen entering through the opening (14) passes through the filter and comes to the collection chamber (42); the filter being a perforated wall (30) having a tubular portion (22) and a bottom portion (15) closing said tubular portion, and having a surface density of orifices (24) that is greater on said bottom portion than on said tubular portion.

Abstract: The straw comprises a tube (11) and a stopper (12) fixed relative to the tube (11) and comprising a male connector tip (29) configured in order that a syringe needle (44) having a female connector tip (45) with a frusto-conical internal surface in accordance with a standard can be connected to said stopper (12) by engagement of the female connector tip (45) of the needle on the male connector tip (29) of the stopper (12). The injection device comprises such a straw (10) and a syringe needle (44). The method of emptying the straw comprises the step of pushing the dose of liquid-based substance (21) packaged in the straw (10) towards the stopper (12).

Abstract: The appliance comprises a handle, a speculum tube (23) extending axially from the handle (21) as far as a distal end (22) where it has an opening (28), a video viewing system having a lens (35) arranged in the speculum tube and a transmission device (36) connected to the lens and connectable to a remote viewing screen, and a lens support (49) for keeping the lens (35) in a predetermined position with respect to the speculum tube, in which position the lens is near said opening (28) and opposite the space situated beyond said opening (28), characterized in that said speculum tube has an end part (26) and a main part (27) extending between said end part and said handle, said end part (26) being arranged around said support (49) and delimiting said opening (28), said end part (26) being elastically deformable and said main part (27) being rigid.

Abstract: 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.

Abstract: 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.

Abstract: The straw comprises a tube (11), a stopper (13) arranged in the tube and having a passage (35) extending through it, and an emptying needle (14) having a first portion (31) protruding from said stopper as far as a distal end (19) situated in said tube, and a second portion (32) situated in said passage (35) of the stopper, said needle and said stopper forming an insert (12) entirely disposed in said tube and having an internal conduit (24) fluidically connecting the internal spaces of said tube that are situated to either side of said insert, said internal conduit being formed at least in part by the needle. The assembly comprises the straw and a device configured to make an opening in the tube. The method comprises the steps of establishing a fluidic communication between the needle and a receptacle, there of making an opening in the tube in order to connect said dose of liquid-based substance to the atmosphere and allow it to flow.

Abstract: The invention relates to a storage receptacle (1) with a longitudinal opening (5) through which straws (2) for packing liquid-based substance are passed in a predetermined orientation of the straws, a housing (3) provided for the straws and configured to be inserted slidably in a cover (4) of the receptacle, the latter having an open configuration, in which the housing is partially inserted in the cover and the opening is free for the passage of the straws, and a closure configuration, in which the housing is inserted in the cover and the opening is closed by the cover in order to prohibit the passage of the straws. The housing has a parallelepipedal shape, a first front wall in which the opening is formed, a first bottom wall, two first longitudinal wails extending parallel to the opening, and two first side walls which each have two diagonals of a length less than or equal to the length of the straws.

Abstract: 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 pre-set temperature threshold, by virtue of which colour change the tube (11) has a first visual appearance if the temperature thereof is below the preset threshold and a second visual appearance that is different from the first visual appearance if the temperature thereof is above the preset threshold.

Abstract: The device (1) comprises an inlet element (28) comprising an interface (40) for connecting to an artificial vagina and delimiting an inlet opening (14), a filter delimiting with the inlet element (28) an inlet chamber (41) on the side of the filter turned towards the opening (14) and a collection bag (4) extending between a closed end (8) and an open end (7) in which said inlet element is engaged; said bag and said filter delimiting a collection chamber (42) on the side of the filter turned towards the end (8); by means of which the semen entering through the opening (14) passes through the filter and comes to the collection chamber (42); the filter being a perforated wall (30) having a tubular portion (22) and a bottom portion (15) closing said tubular portion, and having a surface density of orifices (24) that is greater on said bottom portion than on said tubular portion.

Abstract: The device (1) comprises an inlet element (28) comprising an interface (40) for connecting to an artificial vagina and delimiting an inlet opening (14), a filter associated with the inlet element (28) and delimiting therewith an inlet chamber (41) on the side of a first face of the filter turned towards the opening (14) and a collection bag (4) extending between a closed end (8) and an end (7) having an opening (6) in which said inlet element is engaged; said bag and said filter delimiting a collection chamber (42) on the side of the second face (18) of the filter turned towards the end (8); by means of which semen entering through the opening (14) passes through the filter and is collected in the collection chamber (42); characterized in that the filter is formed by a perforated wall (30) in one piece with the inlet element.

Abstract: The invention relates to a straw comprising a tube (11) and a gas-permeable and liquid-tight stopper (12), said stopper (12) being arranged in the tube (11), close to an end (16). The invention is characterised in that the stopper (12) comprises an indicator component (20) having a first pre-determined colour in the absence of previous contact with said substance (21) and a second pre-determined colour, of a different shade from that of the first colour, once it has been in contact with said substance (21). The assembly comprises the straw (10) and a device (26) for controlling the filling of the straw.

Abstract: The container straw comprises a tube (11) and a stopper (12) that is permeable to gasses and impermeable to liquids, which stopper (12) is arranged in the tube (11) near one end (16), characterized in that it comprises an indicator component (20) configured to emit, at least when the container straw (10) is full, light the spectrum of which contains at least one spike having a peak of predetermined wavelength. The assembly comprises the container straw (10) and a container straw recognition device (26).