EP0162770B1 - Artificial insemination device, in particular for carnivores - Google Patents
Artificial insemination device, in particular for carnivores Download PDFInfo
- Publication number
- EP0162770B1 EP0162770B1 EP85400854A EP85400854A EP0162770B1 EP 0162770 B1 EP0162770 B1 EP 0162770B1 EP 85400854 A EP85400854 A EP 85400854A EP 85400854 A EP85400854 A EP 85400854A EP 0162770 B1 EP0162770 B1 EP 0162770B1
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- EP
- European Patent Office
- Prior art keywords
- probe
- semen
- container
- guide sleeve
- artificial insemination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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- 230000009027 insemination Effects 0.000 title claims description 24
- 241001466804 Carnivora Species 0.000 title claims description 7
- 239000000523 sample Substances 0.000 claims description 44
- 210000000582 semen Anatomy 0.000 claims description 21
- 241001465754 Metazoa Species 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 241000772415 Neovison vison Species 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 241000282421 Canidae Species 0.000 description 6
- 238000010992 reflux Methods 0.000 description 5
- 210000001215 vagina Anatomy 0.000 description 5
- 210000003899 penis Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
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- 230000003144 traumatizing effect Effects 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 2
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- 210000004392 genitalia Anatomy 0.000 description 2
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- 241000283690 Bos taurus Species 0.000 description 1
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- 241000282472 Canis lupus familiaris Species 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- 241000282339 Mustela Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000011888 autopsy Methods 0.000 description 1
- 210000003679 cervix uteri Anatomy 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
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- 210000002257 embryonic structure Anatomy 0.000 description 1
- 210000004696 endometrium Anatomy 0.000 description 1
- 230000012173 estrus Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 210000004400 mucous membrane Anatomy 0.000 description 1
- 230000010254 physiological adaptation Effects 0.000 description 1
- 230000004962 physiological condition Effects 0.000 description 1
- 244000062645 predators Species 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D19/00—Instruments or methods for reproduction or fertilisation
- A61D19/02—Instruments or methods for reproduction or fertilisation for artificial insemination
- A61D19/027—Devices for injecting semen into animals, e.g. syringes, guns, probes
Definitions
- the invention relates to an artificial, non-surgical insemination device for animals in general but more particularly for carnivores such as, for example, bitches, foxes, wolves and even animals of smaller sizes, such as mink .
- the artificial insemination device according to the invention was designed to meet physiological, technical and zootechnical objectives in order to be able to be applied to the reproduction of carnivorous animals which have the originality of having a plunging vaginal cavity therefore suitable for reflux of the seed.
- this device relates to the meeting and combination with interaction, of different means and components already used for the collection or transplantation of embryos but never yet assembled for the artificial insemination of carnivorous animals, once again the specifics impose suitable equipment.
- the insemination device is therefore essentially characterized by an injection probe, essentially flexible, and therefore non-traumatic, equipped with a device, known per se, reproducing natural coitus, that is to say allowing the placement of sperm in the anterior region of the vagina while preventing its reflux by an inflatable balloon system copying the erection of the male penis.
- Another object of the invention is also to avoid contamination of the sperm during the introduction of the probe into the vaginal cavity until the latter has been brought into place in front of the uterine lumen after passing through the vagina.
- the semen expulsion orifice is masked throughout the introduction period to avoid contact between the sperm and impurities, such as cervical mucus.
- Another object of the invention is to produce a probe which, while being flexible, can be easily handled in order to negotiate the mucous folds of the vagina, without traumatizing it, so that the latter can be brought into maximum contact with the endometrium.
- the apparatus according to the invention is also applicable in its most simplified form to the insemination of animals of small size such as minks.
- the insemination device is an artificial, non-surgical insemination device for animals in general, in particular for carnivores such as bitches, foxes, wolves and even mink, comprising a suitable guide sleeve to receive a flexible tubular semen reservoir provided with a semen expulsion orifice, this reservoir being coupled to the guide sleeve, and a semen expulsion piston passing through said guide sleeve, and characterized in relation to the prior art mentioned, in that it comprises in combination a flexible injection probe, open at its two ends, in which the guide sheath is slidably mounted and the seed tank which guide sheath is provided with a removable stop limiting the stroke of said reservoir relative to the probe, and which reservoir has one of its ends provided with a spherical introduction head comprising at least one seed expulsion orifice in communication with said end of the reservoir, the other end of which is coupled to the guide sleeve, said probe comprising at least one external inflatable balloon supplied with compressed
- the flexible injection probe is produced by extrusion in the form of a unitary piece and has two parallel pipes, a main pipe receiving the seed tank and an auxiliary pipe of smaller diameter, housed in the thickness of the probe and communicating with the outside via a radial orifice opening into the balloons fixed externally to said probe.
- the artificial insemination device consists of an injection probe 1 receiving a seed tank 2, coupled to a guide sleeve 3 in which a piston 4 moves.
- the injection probe 1 is in the form of a flexible sheath, for example PVC, that is to say made of a material which has good behavior but which is sufficiently malleable to contort and follow the meanders of the vaginal cavity of the animal or to negotiate the mucous folds of the vagina without injuring or traumatizing the reproductive system.
- This sheath is open at its two ends and forms, by its tubular character, a longitudinal channel in which is inserted the seed tank 2 which can be a tube, in which the seed has been stored and preserved (according to the well-known method of cryogenics), made of a flexible material so as not to neutralize the malleable nature of the probe.
- This probe is produced in the form of a unitary part, by extrusion, and comprises a main duct 1 1 in which is housed the seed tank 2 and an auxiliary duct 1 2 , of reduced circular section, housed in the thickness of the probe, this conduit communicating with a balloon 5 or 5, by at least one radial orifice fr6 , the front end of this conduit 1 2 being closed by a plug 1 3 , while its rear end is connected to the end piece 7 of a compressed air syringe 8, intended to inject the fluid into the balloons 5-5 1 which are represented in FIG. 1, in its expanded position.
- the balloon 5 envelops the front part of the probe 1 and is fixed on its periphery at 5 2 and 5 3 . During the introduction phase of the probe, the balloons are obviously retracted and practically follow the longitudinal shape of the probe.
- the seed tank consists of a preservation tube in the form of a tubular straw, the front end of which is closed by a nozzle 9, the end portion of which is similar to a spherical head 10.
- This endpiece comprises a blind hole 9 1 communicating, on the one hand, with the seed tank 2, and on the other hand, with the outside by, at least one radial lumen 11, located behind the spherical head 10.
- the other end of the reservoir tube 2 is coupled to the sheath which has the particularity of comprising anchoring claws 3 1 which forcefully penetrate the rear end of the reservoir tube 2 in order to obtain a positive coupling .
- This guide sleeve is rigid to allow good grip and good handling of the probe, the entire front part of which is flexible and deformable.
- the rear or rear part of the guide sleeve receives a removable stop 3 2 , for example, a shoulder ring screwed onto the threaded end of the guide sleeve. This ring will serve, as indicated below, to limit the stroke of the sleeve-guide reservoir assembly, movable in translation inside the injection probe 1.
- the piston 4 is, in turn, movable in translation inside the tubular guide sleeve and is used for the expulsion of the seed by means of a buffer 12 forming the reservoir tube but being able to move with the inside this tube.
- the device is ready to operate since the piston 4 is supported on the buffer or core 12 of the seed tank, the balloons are retracted and the compressed air syringe 8 is neutralized.
- the injection probe is introduced into the vaginal cavity 13 of the animal, the latter easily following, because of its flexibility, the meanders of this cavity and negotiating the folds mucous membranes. It can be seen in this figure 2.A that the balloons 5-5 are effectively retracted and practically conform to the tubular profile of the injection probe 1.
- the probe is then positioned opposite the uterine lumen and is ready for the injection of the semen.
- the semen was kept safe from impurities and in particular cervical mucus due to the fact that the spherical head 10 of the reservoir 1 was kept applied to the front end of the injection sheath 1 masking thus the orifices 11 used for the expulsion of the semen (as illustrated in FIG. 1 and 2.A.).
- the spherical head 10 illustrated in solid lines
- the spherical head 10 obstructs the front orifice of the probe, the stop 3 2 being shrunk.
- the stop 3 2 When one has arrived in the injection position, the stop 3 2 is pushed back so as to slide the sleeve-guide reservoir assembly forward so that the spherical head protrudes and thus discovers the expulsion orifices 11 of the seed. (representation on dashed line in Figure 1).
- compressed air is injected using the syringe 8 into the auxiliary duct 1 2 which spreads through the orifices 6-6, in the balloons 5-5 1 , so that these these swell to marry the cervix thus reproducing natural coitus by erection of the penis.
- the swelling of the balloons not only achieves the positive coupling of the probe but also makes it possible to correctly position the spherical head 10 facing the uterine lumen and, moreover, prepares by orgasm of the uterine and vaginal walls the female's orgasm, favorable for the acceptance of the seed and its progression.
- the communication between the anatomy of the animal and the seed only takes place when the device is correctly introduced and positioned.
- the artificial insemination device as just described is perfectly suited to the physiological conditions of carnivorous animals since it takes into account, on the one hand their morphology, on the other hand, their sexual aptitude and finally, that it makes it possible to reproduce almost identically the natural coitus thanks to the deformable probe, similar, in operational position to an erect penis, the probe being, moreover, flexible over most of the length to adapt to the path of the vaginal cavity without bruising or traumatizing it.
- the above observation demonstrates that it is thus possible to inseminate, under general anesthesia, all animals deemed to be dangerous.
- the device can indeed be modified in its dimensions to adapt to other carnivorous or herbivorous species, which promises it to great outlets, if one thinks in particular of the protection and development of animals on the way. of disappearance.
- This device is for single use (only the metal guide sheath can be recovered) after removal of the device which takes place ten to fifteen minutes after the expulsion of the semen, by simple deflation of the balloons and probe extraction.
- the device according to the invention makes it possible today to envisage the establishment and development of artificial insemination of carnivores, in particular by frozen sperm, and consequently the development of fur animals, such as dogs, foxes, wolves, mink and the like.
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Reproductive Health (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
L'invention concerne un appareil d'insémination artificielle, non chirurgicale, pour les animaux en général mais plus particulièrement pour les carnivores tels que, par exemple, les chiennes, renardes, loups et même les animaux de plus petits gabarits, tels que les visons.The invention relates to an artificial, non-surgical insemination device for animals in general but more particularly for carnivores such as, for example, bitches, foxes, wolves and even animals of smaller sizes, such as mink .
L'insémination naturelle chez les carnivores est vaginale. Lors du coît, les bulbes érectiles turgescents bloquent le pénis dans le vagin et l'éjaculation se fait en région antérieure à celui-ci; les partenaires restent ensuite accouplés pendant plusieurs dizaines de minutes, de sorte que cette adaptation physiologique évite le reflux du sperme qui, en raison de l'anatomie des organes génitaux de l'animal pourrait s'éliminer par gravité.Natural insemination in carnivores is vaginal. During coitus, the erectile bulges erectile block the penis in the vagina and ejaculation occurs in the region before it; the partners then remain mated for several tens of minutes, so that this physiological adaptation prevents the reflux of sperm which, due to the anatomy of the animal's genitals, could be eliminated by gravity.
A la différence des grandes espèces tels que les bovins ou les équins notamment, il n'est pas indispensable, avec les animaux carnivores, de déposer la semence in utéro. L'insémination naturelle est, comme indiqué précédemment, vaginale, et en outre, les particularités anatomiques du carnivore rendraient cette opération pratiquement irréalisable ou traumatisante. Les techniques actuelles employées, utilisent des sondes rigides, comme celle décrite dans le brevet FR-A-1 014 413, et font appel à des quantités de sperme très importantes tout en impoant une contention très inconfortable pendant plusieurs minutes pour éviter précisément le reflux du sperme.Unlike large species such as cattle or horses in particular, it is not essential, with carnivorous animals, to deposit the seed in utero. Natural insemination is, as indicated above, vaginal, and in addition, the anatomical features of the carnivore would make this operation practically impractical or traumatic. The current techniques used, use rigid probes, such as that described in patent FR-A-1 014 413, and use very large quantities of sperm while imposing a very uncomfortable compression for several minutes to precisely prevent reflux of the sperm.
Ainsi les difficultés de mise en oeuvre dues notamment à la morphologie des organes génitaux des animaux carnivores ne permettent d'utiliser les techniques actuelles, notamment pour l'insémination de faibles quantités de sperme congelé, provenant de mâles sélectionnés.Thus the difficulties of implementation due in particular to the morphology of the genitals of carnivorous animals do not allow the use of current techniques, in particular for the insemination of small quantities of frozen sperm, coming from selected males.
L'appareil d'insémination artificielle selon l'invention a été conçu pour répondre aux objectifs physiologiques, techniques et zootechniques afin de pouvoir être appliqué à la reproduction des animaux carnivores qui présentent l'originalité d'avoir une cavité vaginale plongeante donc propice au reflux de la semence.The artificial insemination device according to the invention was designed to meet physiological, technical and zootechnical objectives in order to be able to be applied to the reproduction of carnivorous animals which have the originality of having a plunging vaginal cavity therefore suitable for reflux of the seed.
Pour ce faire ce appareil porte sur la réunion et la combinaison avec interaction, de différents moyens et composants déjà utilisés pour la collecte ou la transplantation d'embryons mais jamais encore réunis pour l'insémination artificielle d'animaux carnivores dont encore une fois les spécificités imposent un matériel adapté. L'appareil d'insémination est donc essentiellement caractérisé par une sonde d'injection, souple pour l'essentiel, et par conséquent non traumatisante, équipée d'un dispositif, connu en soi, reproduisant le coït naturel c'est-à-dire permettant la mise en place du sperme en région antérieure du vagin tout en évitant son reflux par un système de ballonnet gonflable copiant l'érection du pénis du mâle. Un autre objet de l'invention est également d'éviter la contamination du sperme pendant l'introduction de la sonde dans la cavité vaginale jusqu'à ce que celle-ci ait été amenée en place devant la lumière utérine après avoir traversée le vagin. Dans ce but, l'orifice d'expulsion de la semence est masqué pendant toute la période d'introduction pour éviter un contact entre le sperme et les impuretés, tels que les mucus cervicaux.To do this, this device relates to the meeting and combination with interaction, of different means and components already used for the collection or transplantation of embryos but never yet assembled for the artificial insemination of carnivorous animals, once again the specifics impose suitable equipment. The insemination device is therefore essentially characterized by an injection probe, essentially flexible, and therefore non-traumatic, equipped with a device, known per se, reproducing natural coitus, that is to say allowing the placement of sperm in the anterior region of the vagina while preventing its reflux by an inflatable balloon system copying the erection of the male penis. Another object of the invention is also to avoid contamination of the sperm during the introduction of the probe into the vaginal cavity until the latter has been brought into place in front of the uterine lumen after passing through the vagina. For this purpose, the semen expulsion orifice is masked throughout the introduction period to avoid contact between the sperm and impurities, such as cervical mucus.
Un autre objet de l'invention est de réaliser une sonde qui tout en étant souple puisse être aisément maniée afin de négocier les replis muqueux du vagin, sans le traumatiser, afin que celle-ci puisse être amenée en contact maximal avec l'endomètre. Enfin, l'appareil selon l'invention est également applicable dans sa forme la plus simplifié à l'insémination d'animaux de petit gabarit tels que les visons.Another object of the invention is to produce a probe which, while being flexible, can be easily handled in order to negotiate the mucous folds of the vagina, without traumatizing it, so that the latter can be brought into maximum contact with the endometrium. Finally, the apparatus according to the invention is also applicable in its most simplified form to the insemination of animals of small size such as minks.
L'appareil d'insémination selon l'invention est un appareil d'insémination artificielle, non chirurgicale, pour les animaux en général, en particulier pour les carnivores tels que les chiennes, renardes, louves et même visons, comprenant un fourreau-guide adapté à recevoir un réservoir de semence tubulaire souple muni d'un orifice d'expulsion de la semence, ce réservoir étant accouplé au fourreau-guide, et un piston d'expulsion de la semence traversant ledit fourreau-guide, et se caractérisé par rapport à l'art antérieur mentionné, en ce qu'il comprend en combinaison une sonde d'injection souple, ouverte à ses deux extrémités, dans laquelle sont montés coulissants le fourreau-guide et le réservoir de semence lequel fourreau-guide est pourvu d'une butée amovible limitant la course dudit réservoir par rapport à la sonde, et lequel réservoir a l'une de ses extrémités pourvue d'une tête sphérique d'introduction comportant au moins un orifice d'expulsion de la semence en communication avec ladite extrémité du réservoir dont l'autre extrémité est accouplée au fourreau-guide ladite sonde comportant au moins un ballonnet gonflable extérieur alimenté en air comprimé par un conduit distinct du conduit principal de la sonde recevant le réservoir de semence.The insemination device according to the invention is an artificial, non-surgical insemination device for animals in general, in particular for carnivores such as bitches, foxes, wolves and even mink, comprising a suitable guide sleeve to receive a flexible tubular semen reservoir provided with a semen expulsion orifice, this reservoir being coupled to the guide sleeve, and a semen expulsion piston passing through said guide sleeve, and characterized in relation to the prior art mentioned, in that it comprises in combination a flexible injection probe, open at its two ends, in which the guide sheath is slidably mounted and the seed tank which guide sheath is provided with a removable stop limiting the stroke of said reservoir relative to the probe, and which reservoir has one of its ends provided with a spherical introduction head comprising at least one seed expulsion orifice in communication with said end of the reservoir, the other end of which is coupled to the guide sleeve, said probe comprising at least one external inflatable balloon supplied with compressed air by a duct distinct from the main duct of the probe receiving the seed reservoir.
Cette interaction des moyens permet ainsi de reproduire le coït naturel par l'action du ou des ballonnets gonflables qui positionnent la sonde en regard de la lumière utérine et réalisent l'étanchéité nécessaire pour éviter le reflux de la semence, qui, du fait de la cavité vaginale plongeante des carnivores aurait tendance à refluer.This interaction of means thus makes it possible to reproduce natural coitus by the action of the inflatable balloon (s) which position the probe opposite the uterine lumen and provide the seal necessary to avoid the reflux of the semen, which, due to the plunging vaginal cavity of carnivores would tend to flow back.
Pour des raisons de simplification de fabrication la sonde d'injection souple est réalisée par extrusion sous la forme d'une pièce unitaire et comporte deux conduits parallèles, un conduit principal recevant le réservoir de semence et un conduit auxiliaire de plus faible diamètre, logé dans l'épaisseur de la sonde et communiquant avec l'extérieur par un orifice radial débouchant dans les ballonnets fixés extérieurement à ladite sonde.For reasons of simplification of manufacture, the flexible injection probe is produced by extrusion in the form of a unitary piece and has two parallel pipes, a main pipe receiving the seed tank and an auxiliary pipe of smaller diameter, housed in the thickness of the probe and communicating with the outside via a radial orifice opening into the balloons fixed externally to said probe.
D'autres caractéristiques et avantages ressortiront de la description ci-après et des dessins annexés dans lesquels la figure 1 est une vue en coupe longitudinale de l'appareil d'insémination selon l'invention.
- - les figures 2 (A) et 2 (B) illustrent le mode d'emploi de cet appareil.
- - Figures 2 (A) and 2 (B) illustrate the instructions for use of this device.
Comme illustré en figure 1, l'appareil d'insémination artificielle est constitué d'une sonde d'injection 1 recevant un réservoir de semence 2, accouplé à un fourreau-guide 3 dans lequel se meut un piston 4.As illustrated in FIG. 1, the artificial insemination device consists of an injection probe 1 receiving a
La sonde d'injection 1 se présente sous la forme d'une gaine souple, par exemple en PVC, c'est-à-dire constituée d'un matériau qui a une bonne tenue mais qui est suffisamment malléable pour se contorsionner et suivre les méandres de la cavité vaginale de l'animal ou de négocier les replis muqueux du vagin sans blesser ou traumatiser l'appareil génital. Cette gaine est ouverte à ses deux extrémités et forme, par son caractère tubulaire, un canal longitudinal dans lequel est inséré le réservoir de semence 2 qui peut être un tube, dans lequel a été stockée et conservée la semence (selon le procédé bien connu de la cryogénie), réalisé en un matériau souple afin de ne pas neutraliser le caractère malléable de la sonde.The injection probe 1 is in the form of a flexible sheath, for example PVC, that is to say made of a material which has good behavior but which is sufficiently malleable to contort and follow the meanders of the vaginal cavity of the animal or to negotiate the mucous folds of the vagina without injuring or traumatizing the reproductive system. This sheath is open at its two ends and forms, by its tubular character, a longitudinal channel in which is inserted the
Cette sonde est réalisée sous la forme d'une pièce unitaire, par extrusion, et comporte un conduit principal 11 dans lequel est logé le réservoir de semence 2 et un conduit auxiliaire 12, de section circulaire réduite, logé dans l'épaisseur de la sonde, ce conduit communiquant avec un ballonnet 5 ou 5, par au moins un orifice radial fr6,, l'extrémité avant de ce conduit 12 étant obturée par un bouchon 13, tandis que son extrémité postérieure est raccordée à l'embout 7 d'une seringue à air comprimé 8, destinée à insuffler le fluide dans les ballonnets 5-51 qui sont représentés en figure 1, dans sa position dilatée. Le ballonnet 5 enveloppe la partie avant de la sonde 1 et est fixée sur sa périphérie en 52 et 53. Pendant la phase d'introduction de la sonde, les ballonnets sont évidemment rétractés et épousent pratiquement la forme longitudinale de la sonde.This probe is produced in the form of a unitary part, by extrusion, and comprises a main duct 1 1 in which is housed the
Dans l'exemple illustré en figure 1, le réservoir de semence est constitué d'un tube de conservation se présentant sous la forme d'une paillette tubulaire dont l'extrémité avant est obturée par un embout 9, dont la partie terminale s'apparente à une tête sphérique 10. Cet embout comporte un orifice borgne 91 communiquant, d'une part, avec le réservoir 2 de semence, et d'autre part, avec l'extérieur par, au moins une lumière radiale 11, située derrière la tête sphérique 10. L'autre extrémité du tube réservoir 2 est accouplée au fourreau qui présente la particularité de comporter des griffes d'ancrage 31 qui viennent pénétrer à force dans l'extrémité postérieure du tube réservoir 2 afin d'obtenir un accouplement positif. Ce fourreau-guide est rigide pour permettre une bonne préhension et une bonne manipulation de la sonde dont toute la partie avant est souple et déformable. La partie postérieure ou arrière du fourreau-guide reçoit une butée amovible 32, par exemple, une bague à épaulement vissée sur l'extrémité filetée du fourreau-guide. Cette bague servira, comme indiqué ci-après, de limiteur de course à l'ensemble réservoir fourreau-guide, mobile en translation à l'intérieur de la sonde d'injection 1.In the example illustrated in FIG. 1, the seed tank consists of a preservation tube in the form of a tubular straw, the front end of which is closed by a
Le piston 4 est, quant à lui, mobile en translation à l'intérieur du fourreau-guide tubulaire et sert à l'expulsion de la semence par l'entremise d'un tampon 12 formant le tube réservoir mais pouvant se mouvoir à l'intérieur de ce tube.The piston 4 is, in turn, movable in translation inside the tubular guide sleeve and is used for the expulsion of the seed by means of a
Le fonctionnement de cet appareil d'insémination artificielle est d'une grande simplicité.The operation of this artificial insemination device is very simple.
On part, dans l'exemple considéré, d'un tube réservoir de semence qui comporte déjà à sa partie avant son embout à tête sphérique, la semence étant maintenue à l'intérieur du tube 2 par capillarité. L'extrémité arrière de ce tube réservoir étant soudée on sectionne cette portion pour y introduire le fourreau-guide 3 après avoir récupéré la bague d'identification du sujet donneur qui est généralement logée dans cette partie postérieure du tube réservoir. Lorsque l'accou- plementtube fourreau-guide a été réalisé on introduit l'ensemble dans la sonde d'injection 1, par son extrémité avant, en ayant pris soin évidement de dévisser au préalable la butée 32, Lorsque l'ensemble est ainsi introduit on engage le piston 4 à l'intérieur du fourreau-guide 3 puis l'on vient visser, par l'arrière, la butée 32 sur l'extrémité du fourreau-guide.We start, in the example considered, from a seed reservoir tube which already has at its front part its tip with a spherical head, the seed being held inside the
Dans cet état l'appareil est prêt à fonctionner puisque le piston 4 est en appui sur le tampon ou noyau 12 du réservoir de semence, que les ballonnets sont rétractés et que la seringue à air comprimé 8 est neutralisée.In this state the device is ready to operate since the piston 4 is supported on the buffer or
A ce stade on introduit, comme illustré en figure 2.A, la sonde d'injection dans la cavité vaginale 13 de l'animal, celle-ci suivant aisément, en raison de sa souplesse, les méandres de cette cavité et négociant les replis des muqueux. On observe sur cette figure 2.A que les ballons 5-5, sont effectivement rétractés et épousent pratiquement le profil tubulaire de la sonde d'injection 1.At this stage, as shown in FIG. 2A, the injection probe is introduced into the
Si l'on poursuit l'introduction, comme illustré en figure 2.B, la sonde vient alors se positionner en regard de la lumière utérine et est prête à l'injection de la semence. Durant le trajet, la semence a été maintenue à l'abri des impuretés et en particulier des mucus cervicaux en raison du fait que la tête sphérique 10 du réservoir 1 a été maintenue appliquée sur l'extrémité avant de la gaine d'injection 1 masquant ainsi les orifices 11 servant à l'expulsion de la semence (comme illustré en figure 1 et 2.A.). On remarque, en effet, sur la figure 1 que la tête sphérique 10 (illustrée en trait plein) obstrue l'orifice avant de la sonde, la butée 32 étant en ratrait.If the introduction is continued, as illustrated in FIG. 2.B, the probe is then positioned opposite the uterine lumen and is ready for the injection of the semen. During the journey, the semen was kept safe from impurities and in particular cervical mucus due to the fact that the
Lorsque l'on est arrivé dans la position d'injection on repousse la butée 32 de manière à faire coulisser l'ensemble réservoir fourreau-guide vers l'avant pour que la tête sphérique fasse saillie et découvre ainsi les orifices 11 d'expulsion de la semence. (représentation on trait mixte sur la figure 1). A ce stade, on insuffle à l'aide de la seringue 8 de l'air comprimé dans le conduit auxiliaire 12 qui se répand par les orifices 6-6, dans les ballonnets 5-51, de manière à ce que ceux-ci se gonflent pour épouser le col de l'utérus reproduisant ainsi le coït naturel par érection du pénis. Le gonflement des ballonnets réalise non seulement l'accouplement positif de la sonde mais également permet de positionner correctement la tête sphérique 10 en regard de la lumière utérine et prépare, par ailleurs, par dilatation des parois utérine et vaginale l'orgasme de la femelle, favorable à l'acceptation de la semence et à sa progression. Ainsi, la communication entre l'anatomie de l'animal et la semence n'a lieu que lorsque l'appareil est correctement introduit et positionné.When one has arrived in the injection position, the stop 3 2 is pushed back so as to slide the sleeve-guide reservoir assembly forward so that the spherical head protrudes and thus discovers the expulsion orifices 11 of the seed. (representation on dashed line in Figure 1). At this stage, compressed air is injected using the syringe 8 into the auxiliary duct 1 2 which spreads through the orifices 6-6, in the balloons 5-5 1 , so that these these swell to marry the cervix thus reproducing natural coitus by erection of the penis. The swelling of the balloons not only achieves the positive coupling of the probe but also makes it possible to correctly position the
S'agissant d'animaux de petits gabarits tels que les visons il est possible de réduire le diamètre de l'appareil en supprimant la gaine d'injection et en introduisant directement dans la cavité vaginale l'ensemble tube réservoir 2 et fourreau-guide 3 qui présente en section un diamètre sensiblement moindre à celui illustré en figure 1 (plus de 50% de réduction). Ainsi l'appareil d'insémination artificielle tel qu'il vient d'être décrit est parfaitement adapté aux conditions physiologiques des animaux carnivores puisqu'il tient compte, d'une part de leur morphologie, d'autre part, de leur aptitude sexuelle et enfin, qu'il permet de reproduire pratiquement à l'identique le coït naturel grâce à la sonde déformable, s'apparentant, en position opérationnelle à une verge en érection, la sonde étant, par ailleurs, souple sur la plus grande partie de la longueur pour s'adapter au trajet de la cavité vaginale sans la meurtrir ou la traumatiser.In the case of animals of small sizes such as mink, it is possible to reduce the diameter of the device by removing the injection sheath and by directly introducing into the vaginal cavity the assembly of the
Il a été observé par radiographie que le passage de la semence dans la lumière utérine s'effectuait dans d'excellentes conditions, cette observation ayant été faite à l'aide d'un liquide, opaque aux rayons X, permettant de suivre le trajet du sperme. Une étude nécrospique a permis, par ailleurs, d'observer avec un liquide opaque huileux, qui avait été inséminé dans une chienne accidentée en période d'oestrus, présentant un coma profond irréversible, que le liquide se trouvait bien, au cours de l'autopsie, dans l'utérus, un quart d'heure après l'insémination.It was observed by radiography that the passage of the semen into the uterine lumen was carried out under excellent conditions, this observation having been made using a liquid, opaque to X-rays, making it possible to follow the path of the sperm. An obituary study made it possible, moreover, to observe with an oily opaque liquid, which had been inseminated in a bitch accident during period of estrus, presenting a deep irreversible coma, that the liquid was well, during the autopsy, in the uterus, a quarter of an hour after insemination.
L'observation précitée démontre qu'il est ainsi possible d'inséminer, sous anesthésie générale, tous les animaux réputés dangereux. L'appareil peut en effet, être modifié dans ses dimensions pour s'adapter à d'autres espèces carnivores ou herbivores, ce qui le promet à de grands débouchés, si l'on songe notamment à la protection et au développement des animaux en voie de disparition.The above observation demonstrates that it is thus possible to inseminate, under general anesthesia, all animals deemed to be dangerous. The device can indeed be modified in its dimensions to adapt to other carnivorous or herbivorous species, which promises it to great outlets, if one thinks in particular of the protection and development of animals on the way. of disappearance.
Cet appareil est à usage unique (seul le fourreau guide métallique peut être récupéré) après retrait de l'appareil qui a lieu dix à quinze minutes après l'expulsion de la semence, par simple dégonflage des ballonnets et extraction sonde.This device is for single use (only the metal guide sheath can be recovered) after removal of the device which takes place ten to fifteen minutes after the expulsion of the semen, by simple deflation of the balloons and probe extraction.
L'appareil selon l'invention permet d'envisager aujourd'hui la mise en place et le développement de l'insémination artificielle des carnivores, par sperme congelé notamment, et par voie de conséquence le développement des animaux à fourrure, tels que chiens, renards, loups, visons et autres individus du même type.The device according to the invention makes it possible today to envisage the establishment and development of artificial insemination of carnivores, in particular by frozen sperm, and consequently the development of fur animals, such as dogs, foxes, wolves, mink and the like.
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8406963A FR2563726B1 (en) | 1984-05-04 | 1984-05-04 | ARTIFICIAL INSEMINATION APPARATUS, PARTICULARLY CARNIVORES |
| FR8406963 | 1984-05-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0162770A1 EP0162770A1 (en) | 1985-11-27 |
| EP0162770B1 true EP0162770B1 (en) | 1988-12-28 |
Family
ID=9303706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85400854A Expired EP0162770B1 (en) | 1984-05-04 | 1985-04-30 | Artificial insemination device, in particular for carnivores |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4654025A (en) |
| EP (1) | EP0162770B1 (en) |
| CA (1) | CA1233376A (en) |
| DE (1) | DE3566950D1 (en) |
| FI (1) | FI851571L (en) |
| FR (1) | FR2563726B1 (en) |
| NO (1) | NO165325C (en) |
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| FR2477005A1 (en) * | 1980-02-29 | 1981-09-04 | Cassou Robert | Injection tube for artificial insemination of cattle etc. - has renewable leading end complete with inflatable envelope |
-
1984
- 1984-05-04 FR FR8406963A patent/FR2563726B1/en not_active Expired
-
1985
- 1985-04-19 FI FI851571A patent/FI851571L/en not_active Application Discontinuation
- 1985-04-24 CA CA000479989A patent/CA1233376A/en not_active Expired
- 1985-04-24 US US06/726,514 patent/US4654025A/en not_active Expired - Lifetime
- 1985-04-30 DE DE8585400854T patent/DE3566950D1/en not_active Expired
- 1985-04-30 EP EP85400854A patent/EP0162770B1/en not_active Expired
- 1985-05-03 NO NO851776A patent/NO165325C/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4654025A (en) | 1987-03-31 |
| CA1233376A (en) | 1988-03-01 |
| NO851776L (en) | 1985-11-05 |
| FR2563726A1 (en) | 1985-11-08 |
| NO165325C (en) | 1991-01-30 |
| EP0162770A1 (en) | 1985-11-27 |
| NO165325B (en) | 1990-10-22 |
| DE3566950D1 (en) | 1989-02-02 |
| FI851571L (en) | 1985-11-05 |
| FR2563726B1 (en) | 1986-10-10 |
| FI851571A0 (en) | 1985-04-19 |
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