摘要:
A machine to make up doses of semen in a container comprising welded thermoplastics films that can be opened by hand without using instruments in order to insert therein an insemination probe includes a tubular needle having a nozzle over which is threaded a cleaning ring to prevent coating of a region to be sealed by welding with semen and to keep the walls of the thermoplastics films dry after filling the dose with semen. The sealing weld is made by a device having inverted U-shape jaws. An incision perpendicular to the branches of the U-shape is made at the same level as the latter by an incision device including an orientable blade.
摘要:
This instrument is of the type comprising a hollow body housing a reservoir tube for reproductive components, 4, which receives an ejection piston rod and which is closely enveloped by an external protective sheath 7 having, at its distal end 7b, retaining means 9 inside which the projecting end of the reservoir tube bears.The problem to be solved consists in making it possible to avoid causing any lesions and carrying along any mucus and also to construct instruments of very small diameter.According to the invention, the retaining means 9 on the sheath 7 comprises a terminal 9 with a solid rounded head or distal end 9b and with a blind axial passage 10 open towards the cylindrical body 1 and communicating with the outside at its blind end by means of a lateral transfer orifice 10c.The invention has an advantageous application in the transfer of animal embryos.
摘要:
A device for collecting seminal fluid, comprises a collecting container (1) on which is mounted an adaptor (2) provided with a cannula (3) for sucking up the seminal fluid under the effect of a partial vacuum. The device further includes an adaptor sleeve (5) interposed between the container (1) and the adaptor (2). The sleeve comprises a chamber (10) in communication with the adaptor (2) in which chamber a filter (11) for the seminal fluid is located. A pipe (16) for sucking up the fluid and having a first flared end portion (17) emerges on the filter (11) and a second end portion (18) emerges in the container via a projection (19) extending axially beyond the end (20) of the sleeve pointing towards the container. A sucking-up duct (21) intended to be connected to a source of partial vacuum terminates at the end (2) of the sleeve inside the container in order to generate, within the container (1), a partial vacuum intended to bring about the sucking-up of the seminal fluid through the filter (11).
摘要:
The tube, known as a straw, according to the invention, is conventional in its form, and is constituted by a rectilinear length of transparent tubular envelope. In the vicinity of a first end, the straw contains a sliding stopper with a quantity of powder gellable by hydration between two porous pads. The tubular envelope is extruded from an ionomer resin marketed under the brand name of Surlyn 8921. Ionomer resins have, above and below a transition zone extending from 45.degree. C. to 60.degree. C. approximately, states that are respectively thermofusible and crosslinked. Thus, the straw can be closed by fusion of the ends clamped by heated jaws, while presenting suitable properties of rigidity at ambient temperature. Furthermore, the ionomer resin used does not have an embrittlement temperature, so that it can be manipulated at cryogenic temperatures (77 K.) without the need for taking any particular precautions. The filling and sealing of the straws can be automated, to ensure the safety of the operators.
摘要:
The invention relates to apparatus for artificial insemination of animals, and particularly carnivores such as dogs, foxes, wolves and even smaller animals such as mink.The apparatus comprises a flexible probe having apertures at each end, in which is mounted slidingly a semen reservoir tube, which is also flexible, a projecting end of the semen tube presenting a head and an orifice behind said head through which the semen is ejected from the tube, the other end of the semen tube being coupled with a sheath having a removable abutment limiting the stroke of the sheath and tube in the probe, a piston extending through the sheath to engage in the tube for actuation to eject semen therefrom, and balloons extending externally round the probe for inflation once the probe is disposed in the vaginal cavity of the animal by compressed air blown through a separate conduit in the probe from that receiving the semen tube.
摘要:
The sheath is of the type having a thickness which is substantially constant throughout its length and having at a first end, or insemination end, a narrowed shape (4b).The problem is to provide a sheath which may be employed on an insemination gun which fixes the sheath by means of projections without presenting difficulties when manufacturing or when inserting the sheath.According to the invention, this sheath is characterized in that its opposite end portion (4a), or fixing end portion, of very short length relative to the total length of the sheath, has an inside diameter substantially larger than the constant inside diameter it has throughout the remainder of its length. The invention has an advantageous application in respect of sheaths for insemination guns for bovines.
摘要:
Small, compact and portable semen straw filling devices are hand operated by a single person.A single turn of the handle advances a straw for filling and renders the straw removable by a handheld syringe with which an operator may guide the straw into an ovaduct of a turkey before squeezing the syringe and expelling the semen into the ovaduct. The device is portable so that it may be taken directly to the domestic birds and used by one man to impregnate a large number of birds in a short amount of time.Using the present invention, a man simply cranks the filler, inserts the syringe, withdraws the syringe and straw, impregnates a bird, discards the straw and repeats the cycle. Turning a handle of one filler removes a straw from storage and aligns it with a nozzle while preloading a pump. Inserting the syringe triggers the pump, and withdrawing the syringe withdraws a loaded straw. Turning a handle on a second machine advances a straw from a hopper, inserts a nozzle in the straw while pushing a previously filled straw into a syringe, fills the straw and withdraws the nozzle. A person inserts the syringe, turns the handle and withdraws the syringe with a filled straw, impregnates a bird, discards the straw, reinserts the syringe and turns the handle to load the next straw in the syringe and to fill the following straw.
摘要:
The invention relates to apparatus for presenting poultry or similar animals for artificial insemination, or for collecting semen.The technical problem is to reduce the displacements and manipulations of the operator and facilitate the operations so as to ease the work of a sole operator.The invention provides apparatus comprising a carriage movable along a battery of cages, a grip lockable in a position in which it grips the birds' hind legs, a guide for supporting the body of an animal restrained by the grip and for guiding the animal back into the cage when it is released from the grip, the grip and guide being mounted on a mount in adjustable positions on the carriage.The invention is used primarily in artificial insemination operations on poultry.
摘要:
The present invention relates to single shot stocks of animal semen to be used for artificial insemination of poultry such as turkeys, hens and guinea fowl, of the kind comprising a tube presenting an opening of relatively small diameter so that the semen introduced therein can be maintained therein by capillarity alone so as to avoid the use of any bung.The object of the invention is to provide a stock of semen of the kind referred to which avoids any risk of waste of material.To this end, the invention provides a stock of the kind comprising a tube made of relatively flexible material presenting an opening for receiving the semen whose diameter is significantly greater than the thickness of the cylindrical wall, one end of the tube terminating in a brim forming by bending the end of the wall within the tube, characterized in that this brim is shaped so that its free edge comes into direct contact with main cylindrical wall of the tube.
摘要:
A machine to make up doses of semen in a container comprising welded thermoplastics films that can be opened by hand without using instruments in order to insert therein an insemination probe includes a tubular needle having a nozzle over which is threaded a cleaning ring to prevent coating of a region to be sealed by welding with semen and to keep the walls of the thermoplastics films dry after filling the dose with semen. The sealing weld is made by a device having inverted U-shape jaws. An incision perpendicular to the branches of the U-shape is made at the same level as the latter by an incision device including an orientable blade.