EP0162770B1 - Appareil d'insémination artificielle notamment des carnivores - Google Patents

Appareil d'insémination artificielle notamment des carnivores Download PDF

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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
Authority
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
Application number
EP85400854A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0162770A1 (fr
Inventor
Robert Cassou
Maurice Cassou
Bertrand Cassou
Jean Paul Mialot
Christian Dr. Dumon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0162770A1 publication Critical patent/EP0162770A1/fr
Application granted granted Critical
Publication of EP0162770B1 publication Critical patent/EP0162770B1/fr
Expired legal-status Critical Current

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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.

Landscapes

  • 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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
EP85400854A 1984-05-04 1985-04-30 Appareil d'insémination artificielle notamment des carnivores Expired EP0162770B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8406963A FR2563726B1 (fr) 1984-05-04 1984-05-04 Appareil d'insemination artificielle, notamment des carnivores
FR8406963 1984-05-04

Publications (2)

Publication Number Publication Date
EP0162770A1 EP0162770A1 (fr) 1985-11-27
EP0162770B1 true EP0162770B1 (fr) 1988-12-28

Family

ID=9303706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85400854A Expired EP0162770B1 (fr) 1984-05-04 1985-04-30 Appareil d'insémination artificielle notamment des carnivores

Country Status (7)

Country Link
US (1) US4654025A (no)
EP (1) EP0162770B1 (no)
CA (1) CA1233376A (no)
DE (1) DE3566950D1 (no)
FI (1) FI851571L (no)
FR (1) FR2563726B1 (no)
NO (1) NO165325C (no)

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Also Published As

Publication number Publication date
FI851571A0 (fi) 1985-04-19
NO851776L (no) 1985-11-05
FI851571L (fi) 1985-11-05
US4654025A (en) 1987-03-31
FR2563726B1 (fr) 1986-10-10
EP0162770A1 (fr) 1985-11-27
NO165325B (no) 1990-10-22
FR2563726A1 (fr) 1985-11-08
CA1233376A (en) 1988-03-01
DE3566950D1 (en) 1989-02-02
NO165325C (no) 1991-01-30

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