EP2174617B1 - Appareil pour l'anesthésie par inhalation d'animaux, particulièrement pour les porcelets - Google Patents

Appareil pour l'anesthésie par inhalation d'animaux, particulièrement pour les porcelets Download PDF

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Publication number
EP2174617B1
EP2174617B1 EP09168714.5A EP09168714A EP2174617B1 EP 2174617 B1 EP2174617 B1 EP 2174617B1 EP 09168714 A EP09168714 A EP 09168714A EP 2174617 B1 EP2174617 B1 EP 2174617B1
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EP
European Patent Office
Prior art keywords
housing
anaesthesia
mask
suction
gas
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Not-in-force
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EP09168714.5A
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German (de)
English (en)
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EP2174617A1 (fr
Inventor
Werner Reutegger
Mario Dremel
Claudio Fuchs
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REUTEGGER, WERNER
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Individual
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
    • A61D7/04—Devices for anaesthetising animals by gases or vapours; Inhaling devices

Definitions

  • the invention relates to a device for the inhalation anesthesia of piglets.
  • the inhalation anesthesia of animals not only plays a role in veterinary practice, but increasingly also in field use, for example on the farm.
  • the device therefore high demands are made, while they should be as mobile, reliable and easy to use.
  • the DE 20 2006 013 064 has become known an animal anesthesia mask for connection to a Bain system, with the help of an optimal control of the supplied anesthetic gas is possible.
  • the mask is provided with a suction, which protects the operator from the exiting anesthetic gases.
  • WO 2007/135248 a device has been disclosed for the medical diagnosis of small animals such as mice under anesthesia.
  • the animals can be introduced into a funnel-like expanding cylinder, which is pivotally mounted on an anesthetic gas supply unit.
  • this device is not suitable for surgical procedures on animals, especially on larger animals.
  • the US 6,776,158 B1 describes a method and apparatus for anesthetizing one or more laboratory animals.
  • a single laboratory animal can be anesthetized with an anesthetic mask, while for several animals a special stunning cage is available.
  • the device also includes a system for removing excess anesthetic gas.
  • the previously known devices were relatively cumbersome and expensive and the installation required certain expertise.
  • the high cost of the entire facility has also prevented pet owners from buying their own facility. It is therefore an object of the invention to provide a device of the type mentioned, which is reliable and easy to use.
  • the device should also be mobile and modular as possible, so that it is possible that only the expensive parts of the plant for the preparation and control of the anesthetic gas must be transported, while the remaining parts of the plant remain stationary or easily stored and quickly rebuilt for use can. Also for regular maintenance or for a possible repair, the important parts of the system should be easily accessible and quickly dismantled.
  • This object is achieved according to the invention by a device having the features in claim 1.
  • Housing and treatment station form in this way two separate plant components, which are connected via releasable connection means in operative connection.
  • the housing contains the expensive and technically sensitive treatment means for processing the anesthetic gas as well as the necessary control means.
  • the treatment station consists only of simple mechanical or electrical components for the storage device and the anesthetic mask, which, however, can also be easily and inexpensively manufactured.
  • the detachable connection means consist on the one hand of the hose lines for the anesthesia system and on the other hand optionally also of electrical lines for the control of operating and display means. At a semi-open anesthetic system lead a supply hose to the anesthesia mask and an expiratory tube for the breathed air back away from this. In the case of a suction mask, another hose is required as a suction line. All necessary hose lines are preferably connectable with quick-release couplings to the housing or to the respective device components, so that a quick installation is possible.
  • the housing is preferably formed as a portable housing, which can be constructed for example on a table. It is preferably made of sheet steel and sufficiently robust to protect the sensitive treatment means and control means from shocks and shocks but also from contamination.
  • a pet owner can share the housing with the supply unit with other pet owners or he can rent it. This has the advantage that on the one hand he does not have to make the high investments and on the other hand he does not have to worry about the maintenance and repair of the device. The pet owner creates only the treatment station, the acquisition costs are relatively low. If necessary, the treatment station is quickly connected to the housing and thus ready for use. But even in veterinary practice, the modular design of the system has considerable advantages. Thus, the individual parts of the system can be quickly disassembled and stowed, for example, in a vehicle. A veterinarian can thus easily transport the entire system in a small vehicle.
  • the treatment means in the housing advantageously have an evaporator for evaporating a liquid anesthetic, which is connected via a flow meter to a gas inlet opening on the housing.
  • Isoflurane is advantageously used as the anesthetic, from which in the evaporator by the supply of oxygen Anesthesia gas is obtained.
  • an oxygen cylinder is connected to the gas inlet opening and indeed also via easily detachable connection means.
  • the supply of oxygen can be adjusted according to the desired conditions. Basically, a mixture with other anesthetic gases such as nitrous oxide would be possible.
  • At least one pump for sucking out exiting anesthetic gas from the anesthetic mask is arranged in the housing, wherein the pump is connected on the pressure side to a gas outlet opening on the housing.
  • the gas outlet opening is also connected or connectable with easily detachable connection means to a hose, which leads, for example, to a far away from the operator place in the atmosphere.
  • the pump may be, for example, a diaphragm pump or another simple type of pump, wherein the pump is connected on the suction side with a suction port on the housing, on which releasably leading to the AnITAhesiemaske hose is attached.
  • the control means preferably have at least one solenoid valve with which the supply of anesthetic gas to the treatment station can be cyclically controlled. In this way, anesthetic gas flows to the treatment station only when it is needed there. An immediate interruption of the supply is possible via the at least one solenoid valve.
  • a counter is arranged in the housing, with which the amount of consumed anesthetic gas and / or the number of anesthesia cycles can be counted.
  • This counter not only serves to determine the total operating hours of the device, but also to determine the intensity of use of an individual user. Due to the measurement on the counter, for example, a price for the rent can be set.
  • the housing is advantageously divided into at least two chambers, wherein at least the counter is arranged in a closable and / or sealable chamber. This prevents tampering with the meter.
  • the counter is arranged in a closable and / or sealable chamber.
  • other components such as e.g. the logistics control or the solenoid valves housed in the lockable chamber.
  • the evaporator and the flow meter is arranged in the freely accessible chamber.
  • the storage device advantageously has a frame and a bearing platform to which the animal anesthesia mask is preferably releasably attached.
  • the animal to be treated can be stored so that the anesthesia mask rests as close as possible to the snout area.
  • a control valve is mechanically actuated by the penetration of the snout into the anesthetic mask.
  • Switching and control means for controlling and monitoring an anesthesia cycle are also preferably arranged on the frame. The operation is carried out in this way particularly easy immediately at the place of treatment.
  • the switching means may be pressure switches, toggle switches or touch switches.
  • the control means may be simple indicator lights or even liquid crystal displays which indicate, for example in the form of a display, the operating state.
  • a further advantage can be achieved if a breathing bag is arranged on a hose leading to the anesthetic mask, which breathing bag is detachably fastened to the housing by means of a retaining clip.
  • a breathing bag is arranged on a hose leading to the anesthetic mask, which breathing bag is detachably fastened to the housing by means of a retaining clip.
  • virtually all anesthesia systems are equipped with breathing bags for monitoring respiration. This also applies to the half-open Bain system, whose operation is known to the anesthetist and which is not described here.
  • the fixation of the breathing bag by means of the retaining clip on the housing has the advantage that the breathing bag is clearly visible and positioned so that a function is not inadvertently impaired.
  • the treatment station has at least two storage devices and that each anesthesia mask is connected to the housing via a separate hose connection.
  • a hose connection can have a plurality of individual tubes, namely for the supply of anesthetic gas and for the extraction of exiting anesthetic gas at the anesthesia mask.
  • the housing and the treatment station form two separate or separable system components.
  • connection means are flexible connection means, in particular hoses or cables. The handling of the system components is thus much easier.
  • the housing does not necessarily have to be a completely closed housing. It can also be partially open, leaving certain components easily accessible at all times.
  • the housing could also be just a rack module which accommodates all the essential components of the treatment means and the control means. Further advantages can be achieved if the housing and the treatment station are arranged on a common frame, in particular on a trolley. The entire device thus forms a mobile unit, which nevertheless can be easily dismantled into its main components. In this case, the housing can also be fully or partially integrated in the Ge Liste.
  • On the frame may also be arranged a foot switch, with which the control means are actuated.
  • the device generally designated 1 consists of a preferably cuboidal housing 2, in which processing means 3 and control means 4 ( Figure 7) are arranged.
  • the device has a treatment station 5, which is equipped in the present embodiment with two independent storage devices 6 and 6 '. Each storage device has its own anesthesia mask 7 or 7 '.
  • the housing 2 or more precisely the device components arranged in the housing are in operative connection with the treatment station 5 via detachable connecting means 8. These are in particular the supply tube 41 for the anesthetic gas and the suction tube 15 for the suction.
  • the electrical connection that is also present, which is required for the control of the treatment station. All electrical and pneumatic conductors are connected to the housing 2 with easily detachable connections. This also applies to the exhaust hose 42 for carrying away the sucked anesthetic gases and for the supply hose 43 for supplying evaporating gas such as oxygen.
  • housing 2 On the housing 2 is also with easily detachable fasteners such. Clamping screws or the like an approximately U-shaped headband 27 fixed. Within this retaining clip, a breathing bag 26 is suspended or fixed for each anesthetic mask. Headband and breathing bag are preferably associated with the treatment station 5, but it would also be readily conceivable that they are assigned to the housing 2.
  • the two storage devices 6, 6 'with their associated anesthetic masks 7, 7' are hereinafter also referred to in connection with the electrical and pneumatic line management with A and B.
  • FIG. 2 shows a side view of the storage device 6 and the treatment station 5 according to FIG. 1 , with more details also from the FIG. 3 and 9 can be seen.
  • the base frame 20 of the bearing device 6 consists of the two parallel and approximately rectangular cross-section Auflagerprofilen 39 and 39 ', which are connected to each other via two transverse bars 40. On each of the two transverse beams is arranged at an angle to these inclined depending on a bearing platform 21.
  • the storage platform is formed, for example trough-like and their inclination angle can also be adjusted if necessary.
  • an anesthesia mask 7 is releasably attached. To each mask leads a supply hose 41 for anesthetic gas. This is arranged concentrically within a larger diameter expiratory tube 44. About the latter we removed the expelled breath of the animal.
  • the mask 7 also carries a suction hose 15. Details of the mask function can be found in the utility model mentioned above.
  • a switch 22 for switching on the device and a switch 23 for switching off the device is provided for each station A and B, respectively.
  • one red control lamp 24 and one green control lamp 25 are each arranged (FIG. 3).
  • the switches 22 and 23 are pressure switches, although of course any other switching means would be conceivable.
  • the control lamp 24 and 25 could be integrated, for example, in the switching means.
  • the red light indicates that the animal is not yet ready to fall asleep for the animal to be treated.
  • the green light indicates that the pre-set sleep time has been completed and that the procedure can begin.
  • FIG. 4 shows a plan view of the laterally arranged in the housing junction box 36 with a multi-pin connector 29 for the electrical connection lines.
  • one intake opening 14, 14 'and one gas supply opening 28, 28' are provided.
  • the suction hoses 15, 15' are coupled and to the gas supply openings 28, 28 ', the supply hoses 41 and 41' are connected.
  • the gas inlet opening 11 is arranged, to which the supply hose 43 is coupled for oxygen.
  • the gas outlet opening 13 which is coupled to the exhaust hose 42.
  • the housing 2 is divided by means of a partition wall 35 into a first chamber 18 and a slightly smaller second chamber 19.
  • the evaporator 9 for generating the anesthetic gas and the flow meter 10 for adjusting the oxygen supply is arranged in the chamber 18.
  • the first chamber 18 can be closed with a door 37 which, for example, has a glass pane 45. Through this, the display on the flowmeter 10 are observed. In addition, the level of the anesthetic can be read off the evaporator 9.
  • the second chamber 19 is also closable with a door 38, which, however, normally can not be opened by the operator and is preferably sealed.
  • the controller 30 is arranged with a counter 17 for counting the anesthesia cycles.
  • the solenoid valves 16, 16 'for controlling the gas supply are advantageously accommodated in the second chamber 19.
  • oxygen is supplied to the flow meter 10 via a pressure gauge unit 33, a main valve 32 and a pressure relief valve 31. At this the desired amount of gas can be adjusted with a knob.
  • the oxygen leads to the evaporator 9, in which the liquid isoflurane is evaporated in a manner not described in detail here.
  • the anesthetic gas leads to the two solenoid valves 16, 16 ', which regulate the supply to the two anesthetic masks 7 and 7' at the stations A and B.
  • the electrical control is simplified in the scheme according to FIG. 6 shown.
  • the power supply via normal mains voltage with 230 volts, which is connected to the main switch 48.
  • a control current of 2A reaches the logic controller 30.
  • a red indicator lamp 46 is connected, which indicates a required maintenance.
  • the suction can be activated by means of the pumps 12 and 12 '.
  • the controller 30 the two solenoid valves 16, 16 'for the release of the anesthetic gas and the main valve 32 are controlled.
  • the controller 30 includes the counter 17 for counting the amount of gas and / or the anesthesia cycles.
  • the switching and display means of the two stations A and B are connected to the controller 30.
  • controller 30 could be provided with a recording device that records all switching manipulations and operating conditions of the pumps and solenoid valves.
  • FIG. 10 shows very simplified an alternative embodiment of the invention, in which the housing and treatment station are integrated together in a rack carriage 51.
  • This frame carriage is preferably constructed of metal profiles and provided with lockable rollers 52.
  • the treatment station 5 with the two storage devices 6 and 6 ' is arranged on the upper side of the rack cart.
  • each storage device is associated with a switch unit 22/23 for manual switching on and off.
  • foot switches 54/54 ' are provided with which the system can also be operated.
  • a hose holder 53 is arranged, on which a sufficient length of the exhaust hose 42 is wound. On the same side of the car and the breathing bag 26 are hung well visible.
  • the housing 2 with the evaporator 9 and the flow meter 10 is arranged in the lower region of the rack cart.
  • the housing may for example consist of acrylic glass, with a glass door 56 is hinged to joints 55.
  • a further only symbolically indicated housing component 57 may be arranged, which is removable from the fixed housing.
  • This housing component may also be a support frame, which is only partially or not completely closed to the outside.
  • an oxygen cylinder 34 is mounted in the rack carriage 51.
  • the valves and pressure gauges associated with the bottle as well as the other flexible hose connections and electrical cables are not shown here for reasons of clarity. Also not visible are the anesthetic masks, which are assigned to the storage devices.

Claims (13)

  1. Dispositif (1) pour l'anesthésie de porcelets par inhalation, comprenant :
    - un boîtier (2) contenant des moyens de préparation (3) pour préparer un gaz d'anesthésie et des moyens de commande (4) pour commander les moyens de préparation,
    - au moins une station de traitement (5), comprenant au moins deux dispositifs de positionnement (6) pour positionner un porcelet, chacun comprenant un masque d'anesthésie (7, 7'),
    chaque masque d'anesthésie étant relié au boîtier (2) par un raccord flexible distinct, et
    le boîtier (2), en particulier les composants d'appareil disposés dans le boîtier, et la station de traitement (5), formant des composants d'installation séparés ou pouvant être séparés l'un de l'autre, qui par des moyens de liaison amovibles et flexibles (8) sont en liaison active l'un avec l'autre,
    caractérisé en ce que chaque masque d'anesthésie est pourvu d'une aspiration, pour aspirer le gaz d'anesthésie sortant,
    et que le boîtier (2) contient au moins une pompe (12) pour aspirer des masques d'anesthésie (7, 7') le gaz d'anesthésie sortant, la pompe étant, côté refoulement, reliée au boîtier par un orifice de sortie du gaz (13), et chaque pompe étant, côté aspiration, reliée au boîtier par un orifice d'aspiration (14, 14'), auquel est fixé d'une manière amovible un flexible d'aspiration (15, 15') conduisant aux masques d'anesthésie.
  2. Dispositif selon la revendication 1, caractérisé en ce que les moyens de préparation (3) comprennent un évaporateur (9) pour évaporer un anesthésique liquide, qui par l'intermédiaire d'un débitmètre (10) est relié au boîtier par un orifice de sortie de gaz (11).
  3. Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que la pompe (12) est, côté aspiration, reliée au boîtier (2) par un orifice d'aspiration (14), auquel est fixé d'une manière amovible un flexible (15) conduisant aux masques d'anesthésie (7, 7').
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les moyens de commande (4) comprennent des électrovannes (16), à l'aide desquelles l'amenée du gaz d'anesthésie à la station de traitement peut être commandée d'une manière cyclique.
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'un compteur (17) est disposé dans le boîtier (2), compteur à l'aide duquel il est possible de compter la quantité du gaz d'anesthésie consommé et/ou le nombre des cycles d'anesthésie.
  6. Dispositif selon la revendication 5, caractérisé en ce que le boîtier (2) est subdivisé en au moins deux compartiments (18, 19), au moins le compteur (17) étant disposé dans un compartiment (19) pouvant être obturé et/ou plombé.
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que chaque dispositif de positionnement (6) comprend un bâti (20) et une plateforme de positionnement (21), à laquelle le masque d'anesthésie (7, 7') est fixé de préférence d'une manière amovible,
    le porcelet à traiter pouvant être positionné sur la plateforme de positionnement de telle sorte que le masque d'anesthésie s'appuie d'une manière aussi serrée que possible contre la zone du groin.
  8. Dispositif selon la revendication 7, caractérisé en ce que des moyens de commutation et de régulation (22, 23, 24, 25), pour la commande et la surveillance d'un cycle d'anesthésie, sont disposés contre le bâti (20) .
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce qu'un sac respiratoire (26), qui est fixé d'une manière amovible au boîtier (2) à l'aide d'un étrier de retenue (27), est disposé contre un flexible d'alimentation (41) conduisant aux masques d'anesthésie.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que le boîtier est au moins partiellement ouvert.
  11. Dispositif selon l'une des revendications 1 à 10, caractérisé en ce que le boîtier et la station de traitement sont disposés sur un bâti commun, en particulier sur un chariot roulant.
  12. Dispositif selon la revendication 11, caractérisé en ce que le boîtier est en totalité ou en partie intégré dans le bâti.
  13. Dispositif selon la revendication 11 ou la revendication 12, caractérisé en ce qu'un pédalier, à l'aide duquel il est possible de manoeuvrer les moyens de commande, est disposé contre le bâti.
EP09168714.5A 2008-09-18 2009-08-26 Appareil pour l'anesthésie par inhalation d'animaux, particulièrement pour les porcelets Not-in-force EP2174617B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01483/08A CH698976B1 (de) 2008-09-18 2008-09-18 Vorrichtung für die Inhalationsanästhesie von Tieren, insbesondere von Ferkeln.

Publications (2)

Publication Number Publication Date
EP2174617A1 EP2174617A1 (fr) 2010-04-14
EP2174617B1 true EP2174617B1 (fr) 2016-10-12

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Application Number Title Priority Date Filing Date
EP09168714.5A Not-in-force EP2174617B1 (fr) 2008-09-18 2009-08-26 Appareil pour l'anesthésie par inhalation d'animaux, particulièrement pour les porcelets

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EP (1) EP2174617B1 (fr)
CH (1) CH698976B1 (fr)
DK (1) DK2174617T3 (fr)
ES (1) ES2610879T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011014908A1 (fr) * 2009-08-03 2011-02-10 Colin Dunlop Procédé et appareil améliorés pour distribuer un fluide à un patient
CN112891014B (zh) * 2021-01-18 2022-05-06 辽宁中医药大学 一种实验动物用吸入式麻醉装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776158B1 (en) * 2001-07-26 2004-08-17 Euthanex Corporation System for anesthetizing laboratory animals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915165A (en) * 1974-09-13 1975-10-28 Minnesota Mining & Mfg Intratracheal injection system for animals
US7438072B2 (en) * 2005-03-02 2008-10-21 Izuchukwu John I Portable field anesthesia machine and control therefore
DE06764695T1 (de) * 2006-05-24 2009-08-13 Equipement Veterinaire Minerve Vorrichtung für die Aufwärmanästhesie und das Fixieren stereotaktischer Art eines lebenden kleinen Versuchstiers
DE202006013064U1 (de) * 2006-08-25 2007-01-11 Walker, Bernhard, Dr.med.vet. Tieranästhesiemaske

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6776158B1 (en) * 2001-07-26 2004-08-17 Euthanex Corporation System for anesthetizing laboratory animals

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CH698976B1 (de) 2009-12-31
EP2174617A1 (fr) 2010-04-14
ES2610879T3 (es) 2017-05-03
DK2174617T3 (en) 2017-01-30

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