EP0038039B1 - Dispositif pour l'obstétrique de bétail - Google Patents

Dispositif pour l'obstétrique de bétail Download PDF

Info

Publication number
EP0038039B1
EP0038039B1 EP81102735A EP81102735A EP0038039B1 EP 0038039 B1 EP0038039 B1 EP 0038039B1 EP 81102735 A EP81102735 A EP 81102735A EP 81102735 A EP81102735 A EP 81102735A EP 0038039 B1 EP0038039 B1 EP 0038039B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
rod
parts
tensioning lever
lever
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
EP81102735A
Other languages
German (de)
English (en)
Other versions
EP0038039A3 (en
EP0038039A2 (fr
Inventor
Georg Uhlmann
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.)
Rheintechnik Weiland and Kaspar KG Maschinenfabrik
Original Assignee
Rheintechnik Weiland and Kaspar KG Maschinenfabrik
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 Rheintechnik Weiland and Kaspar KG Maschinenfabrik filed Critical Rheintechnik Weiland and Kaspar KG Maschinenfabrik
Priority to AT81102735T priority Critical patent/ATE5760T1/de
Publication of EP0038039A2 publication Critical patent/EP0038039A2/fr
Publication of EP0038039A3 publication Critical patent/EP0038039A3/de
Application granted granted Critical
Publication of EP0038039B1 publication Critical patent/EP0038039B1/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
    • A61D1/00—Surgical instruments for veterinary use
    • A61D1/08—Veterinary obstetrical instruments or devices

Definitions

  • the invention relates to a device for cattle obstetrics, consisting of a rod or the like which can be supported against the body of the mother animal, consists of two sleeve-shaped parts arranged on the rod, alternately displaceable and lockable, and fastened in the direction of pull of the leg loops attached to the two sleeve-shaped parts holding device for the young animal, on one of a sleeve-shaped part - expediently the one facing away from the mother animal - which is only effective to a desired load, from one end at a distance from a sleeve-shaped part on the tension lever and the other end at the other sleeve-shaped part articulated intermediate lever and from means operable by means of the clamping lever for releasing the sleeve-shaped parts found on the rod.
  • the sleeve-shaped parts found on the rod can be released immediately, so that they slide on the rod in the direction of the mother animal and the tensile effect on the young animal diminishes German Offenlegungsschrift No. 2232713 proposed to provide the sleeve-shaped parts with oblique incisions, into which perforated disks are inserted, which engage in the threads of the rod with their inner edge in the tensioned state of the device and by means of the tensioning lever and / or the intermediate lever from the Threads can be pushed out.
  • the sleeve-shaped parts can then slide on the rod in the direction of the mother animal, so that the pulling action on the young animal immediately ceases.
  • the object of the present invention is to provide a device of the type mentioned in which, in the event of danger or unreasonable strain on the mother animal and / or the young animal, as in the device according to German Offenlegungsschrift No. 2232713, the sleeve-shaped parts found on the rod can be released immediately, even if the tensioning lever, as with the device according to German Offenlegungsschrift No. 2819050, is bent due to excessive pull on the young animal.
  • the resilient elements are set to a load that is not higher than one that causes the maximum allowable tension between mother and young at birth. If the tensioning lever is now acted on with a force that leads to a higher load on the resilient elements, the two resilient elements pull apart. The clamping lever becomes ineffective and the sleeve-shaped part which can be moved in this state and faces the mother animal can no longer be pulled away from the mother animal. The tension between mother and young can therefore no longer be increased. Nevertheless, it is possible, by means of the tensioning lever and / or the intermediate lever, because neither of them bends, to actuate the means for releasing the sleeve-shaped parts found on the rod.
  • the rods of the devices mentioned at the outset are threaded tubes or have circumferential grooves in their surface.
  • the means for fixing the sleeve-shaped parts on the rod engage in these threads or grooves. Cleaning the device after each birth is therefore difficult. If the cleaning is not carried out with the greatest care, there is a risk that when the device is used the next time the baby is born, the young and / or the mother will be infected.
  • the sleeve-shaped parts below the clamping lever on the side of the rod each have a recess open to the rod , whose surface facing away from the rod is designed as an inclined plane inclined in the direction of pull towards the rod, and in each of which a ball or the like is clamped between the inclined plane and the surface of the rod.
  • the ball or the like lies in the end of the recess facing the mother animal and is pulled along with the sleeve-shaped part. If the tensile effect on this sleeve-shaped part ceases, it slips back very easily and the ball gets stuck between the inclined plane and the rod, whereby this sleeve-shaped part is fixed. It is possible to provide an elastic buffer between the wall of the recess facing the mother animal and the ball, so that until the ball is clamped the sleeve shaped part slips back practically barely measurable.
  • a smooth rod also has the advantage that for obstetricians, e.g. the veterinarian, the risk of hand injuries and thus infections is considerably lower than with rods with circumferential grooves or threads.
  • a smooth rod also enables the sleeve-shaped parts to be moved in the smallest increments and thus the tension between the mother animal and the young animal can be precisely metered. Due to the lack of recesses in the rod, the wear is also considerably smaller.
  • the sleeve-shaped parts expediently have the end facing away from the mother animal on the side facing the tensioning lever, openings parallel to the tensioning lever, in which rams are in contact with the balls at one end and projecting from the sleeve-shaped parts at the other end are.
  • the clamping lever then has a shoulder on the side facing the rod, which presses the plunger into a sleeve-shaped part in this and against the ball when the clamping lever is fully depressed, thereby releasing the one sleeve-shaped part.
  • This sleeve-shaped part then presses against the plunger in the other sleeve-shaped part and this against the ball. This also releases this ball and thus the other sleeve-shaped part.
  • This design has the advantage that even if no more force can be exerted on the sleeve-shaped part facing the mother animal by means of the tensioning lever, the sleeve-shaped parts are completely detachable by means of the tensioning lever and can slide on the rod in the direction of the mother animal.
  • the sleeve-shaped parts do not have to be loosened, the sleeve-shaped part facing the mother animal can only be pulled further with the tensioning lever when the resilient elements have expanded accordingly and the force required is smaller than that which pulls the two parts of the intermediate lever apart .
  • the device is set by the manufacturer and then sealed. So it cannot be adjusted unintentionally.
  • the rod is formed as an outer smooth hollow tube.
  • the end facing the mother animal in use, carrying a crossbar is not shown as not belonging to the invention here.
  • the end of the rod 1 facing away from the mother animal expediently consists of the nested parts 24, 25 and 26, of which the last, namely 26, is designed as a handle for the entire rod.
  • two alternately displaceable and lockable sleeve-shaped parts 14 and 21 are arranged on the rod 1.
  • the clamping lever 10 is articulated at 8 in a manner known per se.
  • the intermediate lever 27 is articulated on the tensioning lever 10 at 9, the other end of which is articulated at 2 on the other sleeve-shaped part 14.
  • One sleeve-shaped part 21 laterally carries a hook 32 and the other sleeve-shaped part 14 carries the hook 33.
  • These hooks 32 and 33 are open on the side facing away from the mother animal.
  • One end of a leg sling is hung in each of these hooks, the other end of which is looped around one leg of the young animal.
  • the intermediate lever 27 is in two parts. It consists of the part 7 articulated on the tension lever 10 and the part 28 articulated on the other sleeve-shaped part 14.
  • the first part 7 of the intermediate lever 27 is designed as a rod-shaped extension 5.
  • Resilient elements 4, in particular disc springs, are arranged on this rod-shaped extension 5 and fastened to the free end of the rod-shaped extension 5 by means of a securing element 3, advantageously a cap screw.
  • the second part 28 of the intermediate lever 27 is hollow and engages over the resilient elements 4, in the exemplary embodiment shown the plate spring assembly.
  • the end of this second part 28 of the intermediate lever 27 facing the tensioning lever 10 is designed as a base 6, with a breakthrough for the rod-shaped extension 5 on the first part 7 and serves as an abutment for the plate spring assembly on the side facing away from the securing element 3.
  • the second part 28 of the intermediate lever 27 can be formed in two parts 28a, 28b perpendicular to the longitudinal axis in the region of the cavity for the plate spring assembly 4. After the rod-shaped extension 5 is guided through the opening in the bottom 6, the plate spring assembly 4 is placed on it and the securing element 3, for example the screw nut, is screwed on, the two parts 28a, 28b are then screwed together. It is also possible to design the rod-shaped extension 5 in two parts, so that it consists of the two parts 5a and 5b which can be screwed into one another, of which the part 5a facing the tensioning lever 10 is expediently hollow and has an internal thread, while the other part 5b has an external thread and can consist of solid material.
  • the tensioning lever has a handle 11 which is fastened to the tensioning lever 10 by means of a screw bolt 12.
  • the design of this handle 11 is arbitrary in itself.
  • the intermediate lever 27 Due to the inventive design of the intermediate lever 27, it is possible to set it to a desired preload. In Denmark e.g. 160 kg prescribed, while in Germany the pre-tension of the force of 4 people, i.e. about 160 to 200 kg. If a greater force acts on the tensioning lever 10, the resilient elements 4, in this case the plate spring assembly, are pulled together and the other sleeve-shaped part 14 can no longer be pulled further away from the mother animal by means of the tensioning lever 10.
  • the two sleeve-shaped parts 21 and 14 have recesses 29 and 30 which are open to the rod 1.
  • the surface of this recess 29 and 30 facing away from the rod 1 is formed as an inclined plane inclined in the direction away from the mother animal towards the rod 1.
  • balls 20 and 16 or the like are arranged, the diameter of which is smaller than the greatest distance between the rod 1 and the wall of the recess 29 and 30 facing away from the rod 1, but larger than the smallest distance between them both.
  • the balls 20 and 16 or the like are displaced away from the mother animal in the recesses 29 and 30, so that the balls between the inclined plane and the rod 1 are the sleeve-shaped parts 14 and 21 clamp on rod 1. If the tensioning lever 10 is now moved with its free end away from the rod 1, the sleeve-shaped part 14 facing the mother animal remains, while the sleeve-shaped part 21 facing away from the mother animal is pulled away from the mother animal.
  • the ball 20 moves in the recess 29 into the part of the recess 29 with the greater height, so that the jamming between the rod 1 and the sleeve-shaped part 21 is released and this sleeve-shaped part 21 can be moved away from the mother animal.
  • the tensioning lever 10 moves in the opposite direction, the other sleeve-shaped part 14 is moved accordingly.
  • the recesses 29 and 30 are arranged on the side facing the clamping lever 10 in the sleeve-shaped parts 21 and 14.
  • the two sleeve-shaped parts On the side facing away from the mother animal, the two sleeve-shaped parts have openings between the recess 29 and 30 and the radial outer wall, in which plungers 22 and 17 are mounted, which rest at one end on the balls or the like 20 or 16 and protrude from the sleeve-shaped parts 21 and 14 with the other end.
  • the tensioning lever 10 has an extension 31 on the side facing the rod 1. If the clamping lever 10 is pressed as far as possible in the direction of the rod 1, the projection 31 presses the plunger 22 in the sleeve-shaped part 21 against the ball 22, so that the ball is released from its jamming and thus this sleeve-shaped part 21, which is in the direction of the other sleeve-shaped part 14 slips.

Landscapes

  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Dental Preparations (AREA)
  • Saccharide Compounds (AREA)
  • Catching Or Destruction (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
  • Clamps And Clips (AREA)

Claims (7)

1. Appareil pour l'obstétrique du bétail consistant en une tige, ou analogue, à appliquer contre le corps de l'animal et, disposées sur cette tige, en deux pièces en forme de manchon, pouvant être coulissées et immobilisées alternativement, en un dispositif de maintien, fixé sur les deux pièces en forme de manchon, en vue d'une tension progressive, dans le sens de la traction, de boucles de pattes pour le jeune animal, en un levier detension, articulé, à l'emploi contre le côté opposé de la mère et n'étant efficace que jusqu'à une charge déterminée, en un levier intermédiaire articulé, par une extrémité sur le levier de tension, à distance de la pièce en forme de manchon et, par son autre extrémité, sur l'autre pièce en forme de manchon, et consistant en des moyens, actionnés par le levier de tension, pour libérer les pièces en forme de manchon immobilisées sur la tige, appareil caractérisé par un levier intermédiaire en deux parties (27) perpendiculaire à l'axe longitudinal et dont les deux parties (7, 28) peuvent être écartées l'une de l'autre contre la force de ressort d'éléments (4) dont l'action est réglable sur une charge déterminée.
2. Appareil suivant la revendication 1, caractérisé en ce que la partie (7) du levier intermédiaire (27) qui est articulée sur le levier de tension (10) est pourvue, sur son côté éloigné du levier de tension (10), d'un appendice (5) en forme de tige sur lequel sont fixés des éléments à ressort (4), notamment des ressorts à coupelles, au moyen d'un élément de fixation (3), notamment un écrou fileté, et préréglés sur une valeur déterminée, tandis que la partie (28) du levier intermédiaire (27), qui est articulée sur l'autre pièce (14) en forme de manchon, est prévue de forme creuse et est engagée à l'état non chargé, par-dessus l'appendice (5) en forme de tige, de la partie (7) qui est articulée sur le levier de tension (10) et elle porte, à son extrémité ouverte, un évidement pour recevoir l'appendice (5) en forme de tige, comme fond (6) servant de contre-appui pour les éléments à ressort (4).
3. Appareil suivant l'une des revendications 1 ou 2, caractérisé en ce que les pièces en forme de manchon (14, 21) sont pourvues, au-dessus du levier de tension (10) sur le côté de la tige (1), chacune, d'un évidement (29, 30) ouvert en direction de la tige (1), dont la surface éloignée de la tige (1 ) est constituée comme un plan incliné par rapport à la tige, en direction de la traction, une bille (16, 20) étant disposée pour être coincée entrechaque plan incliné et la surface extérieure de la tige (1).
4. Appareil suivant la revendication 3, caractérisé en ce les pièces en forme de manchon (14,21 ) sur leur extrémité éloignée de l'animal, à l'emploi, sur le côté tourné vers le levier de tension (10) présentent des évidements parallèles au levier de tension, dans lesquels sont engagés des poussoirs (17, 22) appuyés avec une extrémité contre les billes (16, 20), et saillants, avec l'autre extrémité, hors des pièces en forme de manchon (14, 21 ), le levier de tension (10) étant pourvu, sur son côté tourné vers la tige (1), d'un appendice (31) qui, lorsque le levier de tension (10) est volontairement déplacé vers le bas, pousse le poussoir dans l'une des pièces en forme de manchon (21) et le presse contre la bille (20), ce qui libère celle-ci et en conséquence la pièce en forme de manchon (21 ), laquelle presse alors le poussoir (17) dans l'autre pièce en forme de manchon (14) et contre la bille (16) pour libérer celle-ci et, ainsi, l'autre pièce en forme de manchon (14).
5. Appareil suivant l'une des revendications 3 ou 4, caractérisé en ce que des organes amortisseurs (15,19) sont disposés, sur le côté éloigné en direction de la traction, entre les billes (16, 20) et la paroi de l'évidement (29, 30), contre la presse desquels les billes peuvent être libérées.
6. Appareil suivant l'une quelconque des revendications 1 à 5, caractérisé en ce que l'espace compris entre les deux pièces en forme de manchon (18, 21 ) est recouvert au moyen d'une manchette (18) reliée avec les deux pièces en forme de manchon.
7. Appareil suivant l'une quelconque des revendications 3 à 5, caractérisé en ce que la tige (1 ) est à surface lisse.
EP81102735A 1980-04-15 1981-04-10 Dispositif pour l'obstétrique de bétail Expired EP0038039B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81102735T ATE5760T1 (de) 1980-04-15 1981-04-10 Geraet zur viehgeburtshilfe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803014301 DE3014301A1 (de) 1980-04-15 1980-04-15 Geraet zur viehgeburtshilfe
DE3014301 1980-04-15

Publications (3)

Publication Number Publication Date
EP0038039A2 EP0038039A2 (fr) 1981-10-21
EP0038039A3 EP0038039A3 (en) 1982-01-13
EP0038039B1 true EP0038039B1 (fr) 1984-01-04

Family

ID=6099983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81102735A Expired EP0038039B1 (fr) 1980-04-15 1981-04-10 Dispositif pour l'obstétrique de bétail

Country Status (9)

Country Link
US (1) US4387716A (fr)
EP (1) EP0038039B1 (fr)
JP (1) JPS56161045A (fr)
AT (1) ATE5760T1 (fr)
AU (1) AU543698B2 (fr)
CA (1) CA1135128A (fr)
DE (2) DE3014301A1 (fr)
ES (1) ES8202482A1 (fr)
IE (1) IE50943B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041793B (zh) * 2017-06-10 2018-07-10 山东琪康生物技术有限公司 兽用助产助推装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8412181U1 (de) * 1984-04-18 1984-09-27 Rheintechnik Weiland & Kaspar KG Grube König, 6680 Neunkirchen Geraet zur viehgeburtshilfe
DE3529154A1 (de) * 1985-08-14 1987-02-26 Rheintechnik Weiland & Kaspar Geraet zur viehgeburtshilfe
IE72216B1 (en) * 1989-10-21 1997-04-09 Patrick Phelan Calving jacks
DE4137412A1 (de) * 1990-12-01 1992-06-11 Lister Landgeraete & Kuehl Geraet zur viehgeburtshilfe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH481643A (de) * 1968-12-12 1969-11-30 Gemperli Max Geburtshilfegerät für Kälber
DE7212169U (de) * 1972-03-30 1972-11-30 Clemente C Mit einem zuganker versehenes geburtshilfliches extraktionsgeraet
DE839305C (de) * 1972-07-04 1952-05-19 Tarex S A Selbsttaetige Drehbank
US3967626A (en) * 1975-03-12 1976-07-06 Hedges Wendell L Calf extractor
US3955582A (en) * 1975-04-25 1976-05-11 Vivian L. Pierce Obstetrical tool for animals
DE2819050A1 (de) * 1978-04-29 1979-10-31 Rheintechnik Weiland & Kaspar Geraet zur viehgeburtshilfe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041793B (zh) * 2017-06-10 2018-07-10 山东琪康生物技术有限公司 兽用助产助推装置

Also Published As

Publication number Publication date
ATE5760T1 (de) 1984-01-15
DE3161822D1 (en) 1984-02-09
IE810847L (en) 1981-10-15
ES501366A0 (es) 1982-02-16
AU6916381A (en) 1981-10-22
AU543698B2 (en) 1985-04-26
ES8202482A1 (es) 1982-02-16
EP0038039A3 (en) 1982-01-13
EP0038039A2 (fr) 1981-10-21
CA1135128A (fr) 1982-11-09
JPS56161045A (en) 1981-12-11
DE3014301A1 (de) 1981-10-22
US4387716A (en) 1983-06-14
IE50943B1 (en) 1986-08-20

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