EP0441072A1 - Medical projector, particularly for surgical use - Google Patents

Medical projector, particularly for surgical use Download PDF

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Publication number
EP0441072A1
EP0441072A1 EP90402961A EP90402961A EP0441072A1 EP 0441072 A1 EP0441072 A1 EP 0441072A1 EP 90402961 A EP90402961 A EP 90402961A EP 90402961 A EP90402961 A EP 90402961A EP 0441072 A1 EP0441072 A1 EP 0441072A1
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EP
European Patent Office
Prior art keywords
articulation
projector according
dome
recess
flexible material
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.)
Granted
Application number
EP90402961A
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German (de)
French (fr)
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EP0441072B1 (en
Inventor
Jean Hubert
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.)
Maquet SAS
Original Assignee
ALM SA
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Publication date
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/40—Hand grips
    • F21V21/403—Hand grips for operation or dentist lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/04—Resilient mountings, e.g. shock absorbers 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/20—Lighting for medical use
    • F21W2131/205—Lighting for medical use for operating theatres
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/804—Surgical or dental spotlight

Definitions

  • the present invention relates to a projector for medical use, more particularly surgical, of the kind comprising an illuminating dome mounted at articulation around different axes of positioning and orientation and provided, on at least a portion of its widest peripheral contour, of '' a protective tube made of flexible material.
  • a projector of this type is described in document FR-A-1,241,989.
  • This kind of lighting equipment which overhangs the operating table is adapted to be operated by the surgeon or his operating aids and this so as to permanently obtain satisfactory lighting of the operating field throughout an operation.
  • the illuminating dome of the projector Because of its function, which is to illuminate an operating field whatever the working position of the surgeon, the illuminating dome of the projector has a large diametrical dimension and, associated with different support arms articulated together, forms a system necessarily bulky.
  • the illuminating dome is adapted to be moved by the operator at a height of the order of two meters above ground level, so that it can be, at any time, directly operated by the operator.
  • the dome is handled by a handle in the center of the optics.
  • the object of the invention is to facilitate the handling and the adjustment in position of the illuminating dome.
  • the protective tube made of flexible material is dimensioned so as to form a gripping member for operating the dome.
  • the protective flange has an internal recess forming a recess.
  • Another object of the present invention is to make handling and adjustment of the dome position even easier, with an arrangement of low cost, compact, reliable and great flexibility of use.
  • the recess is delimited, on the outer face side of the tube by a wall which is sufficiently thin to be deformed by manual pressure, and comprises control means, sensitive to a local driving deformation. of said thin wall part, for controlling the articulation locking means.
  • the tube provides the functions of protection against shocks, handling and control of the locking means, by authorizing the use of electrical or pneumatic control means insensitive to the environmental conditions of an operating theater. and whatever the relative positioning of the dome and the operator.
  • an operating lighting installation 1 generally comprises a main illuminating dome 2 mounted for rotation F1 around a horizontal axis X1X'1, by a pair of diametrically opposite trunnions -one of which is visible in 3- mounted at the ends of two arms 4 and 5 integral with a fork 6.
  • the fork 6 is mounted with articulation along F2 around an axis X2X'2 on an arm with substantially vertical extension 7, itself mounted for rotation along F3 around an axis X3X'3 on a support arm 8 with horizontal extension, which is articulated in rotation along F4 around a vertical axis X4X'4 on a tubular support 9 fixed to the ceiling of an operating room by a circular flange 10.
  • the dome 2 can be oriented by rotation around the axis X1X'1, close or distant by rotation around the axis X2X'2, and spatially positioned by rotation around the axes X3X'3 and X4X'4.
  • annex projector with a dome 16 of more limited dimensions, mounted around an axis Y1Y'1 of a fork-shaped support mounted with articulation to rotate about an axis Y2Y'2 on an arm 17 itself mounted with articulation along the axis Y3Y'3 on an arm 10 articulated along F4 around the axis X4X'4 of the tubular support 9.
  • each illuminating dome 2, 16, which has a wide lower edge, is equipped at its periphery with an impact protection flange 22 of flexible material, with an internal profile forming a shoulder annular top 24, an annular central latching groove 25 of the outer edge of dome 2-16, and a wide annular groove 26 for retaining an optical plate 27.
  • the outer profile 28 of the protective flange 22 has a convex rounded shape of so as to ensure reception of any impact between the dome 2 (16) and a surrounding object and between the dome 2 and 16.
  • This protective flange 22 is hollowed out to form an internal recess 29 to increase its flexibility and facilitate its assembly.
  • the flange 22 is dimensioned transversely so as to constitute a gripping member which can be maneuvered by an operator as shown in FIGS. 2, 3 and 4. In this way, it is possible, by simple direct gripping of this flange 22, any desired re-orientation according to X1X'1 (Y1Y'1), X2X'2 (Y2Y'2), X3X'3 (Y3Y'3) and even X4X'4 axes, without the need for maneuvering hoops secured to the dome.
  • the recess 29 forms an annular recess and the flexibility of the material constituting the tube 22 and the thickness of its wall 31 of external delimitation are adapted to allow crushing of the tube 22 by simple pressure between thumb and index finger. operator's hand.
  • the effect of slight overpressure thus obtained is transferred by a thin tube 32 to a pressure detector 40, coupled to an articulation locking means 41 to ensure the unlocking or the resetting of usual brakes equipping the different articulation (s) (XX ') (YY').
  • These brakes consist of a friction surface integral with an arm and adapted to bear spring loaded on a cooperation surface integral with another arm, and the spring action can be counterbalanced by an electromagnetic effect of a magnet excited by a current supplied under control of a signal emitted here by the pressure detector 40.
  • the signal transfer system of the pressure detector can ensure a permanent excitation of the electromagnets for releasing the articulation brakes during the entire overpressure phase, the disappearance of which causes the electromagnets to rest and the relocking of the brakes, or indeed, the unlocking occurs during a first signal corresponding to a first so-called unlocking overpressure and this until the creation of a second so-called brake relocking overpressure.
  • a control means with electrical contacts, for example in the form of two annular conductive pads 33 and 34 fixed at a small mutual spacing on the internal walls of the recess 29 to come into contact under the effect of a slight manual deformation of the flange 22.
  • Each annular stud 33 (34) is connected by a conductor 35 (36) and a device transfer to the locking means 41 to provide the latter with a signal for controlling the unlocking-relocking of the articulation brakes.
  • a handle 51 for central adjustment of fine adjustment of the illuminating dome 2 (16) is formed as a rigid sleeve 50 which is mounted on a tip protruding axially outward 52 of the support central dome 53 and defining an axial internal recess 54.
  • the rigid sleeve 51 is secured in the mounted position by a pawl 63 articulated at 55 and subjected to a locking spring 56 and having an arm 57 whose lowering causes the escape of the ratchet 63.
  • a flexible casing 58 locking by engagement of an end bead 59 beyond a flange 60 of the rigid sleeve 51.
  • An annular recess 61 thus communicating by means of the recess 54 with a tube 62 for connection with the pressure detector 40.
  • the grip of the handle by the surgeon thus causes an overpressure transferred to the detector ensuring, as described above, the release of the articulation brakes of the dome support arms. Note that the handle is easily removable for sterilization.
  • the present invention applies to the lighting of operating tables, distribution systems in the operating room and intensive care and radiology devices.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Surgical Instruments (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The medical projector (1) consists of an illuminating dome (2)-(16) mounted so that it can swivel about various axes. It is provided on its largest periphery with a flexible protective bulb (22) of such a size as to form a system for gripping and manoeuvring the dome, and defining an inner chamber (29). This chamber, on the side facing the outer surface of the bulb (22), is bounded by a wall (31) thin enough to be deformed by manual pressure and to actuate means (32) (33-36) for controlling a device for unlocking and relocking the articulation stops of the supporting brackets. <IMAGE>

Description

La présente invention concerne un projecteur à usage médical, plus particulièrement chirurgical, du genre comportant une coupole éclairante montée à articulation autour de différents axes de positionnement et d'orientation et pourvue, sur au moins une portion de son contour périphérique le plus large, d'un boudin protecteur en matériau souple.The present invention relates to a projector for medical use, more particularly surgical, of the kind comprising an illuminating dome mounted at articulation around different axes of positioning and orientation and provided, on at least a portion of its widest peripheral contour, of '' a protective tube made of flexible material.

Un projecteur de ce type est décrit dans le document FR-A-1.241.989. Ce genre de matériel d'éclairage qui surplombe la table opératoire est adapté à être manoeuvré par le chirurgien ou ses aides opératoires et cela de façon à obtenir en permanence un éclairage satisfaisant du champ opératoire tout au long d'une opération. Du fait de sa fonction, qui est d'éclairer un champ opératoire quelle que soit la position de travail du chirurgien, la coupole éclairante du projecteur a une dimension diamétrale importante et, associée à différents bras-supports articulés entre eux, forme un système nécessairement encombrant. La coupole éclairante est adaptée à être déplacée par l'opérateur à une hauteur de l'ordre de deux mètres au dessus du niveau du sol, de façon à pouvoir être, à tout moment, directement manoeuvrée par l'opérateur.A projector of this type is described in document FR-A-1,241,989. This kind of lighting equipment which overhangs the operating table is adapted to be operated by the surgeon or his operating aids and this so as to permanently obtain satisfactory lighting of the operating field throughout an operation. Because of its function, which is to illuminate an operating field whatever the working position of the surgeon, the illuminating dome of the projector has a large diametrical dimension and, associated with different support arms articulated together, forms a system necessarily bulky. The illuminating dome is adapted to be moved by the operator at a height of the order of two meters above ground level, so that it can be, at any time, directly operated by the operator.

Dans le document ci-dessus, la manutention de la coupole s'effectue par une poignée au centre de l'optique.In the above document, the dome is handled by a handle in the center of the optics.

L'invention a pour objet de faciliter la manutention et le réglage en position de la coupole éclairante.The object of the invention is to facilitate the handling and the adjustment in position of the illuminating dome.

Pour ce faire, selon une caractéristique de l'invention, le boudin protecteur en matériau souple est dimensionné de façon à former un organe de préhension pour manoeuvrer la coupole. Avantageusement, pour faciliter le montage et limiter l'inertie de la coupole, le boudin protecteur présente un évidement intérieur formant chambrage.To do this, according to a characteristic of the invention, the protective tube made of flexible material is dimensioned so as to form a gripping member for operating the dome. Advantageously, to facilitate assembly and limit the inertia of the dome, the protective flange has an internal recess forming a recess.

Les projecteurs, notamment de grandes dimensions, sont pourvus aujourd'hui de moyens de blocage en position des articulations d'orientation, du type à frein à ressort et organe de blocage/déblocage, comme décrit dans le document FR-A-2 536 832. Dans ce document, les moyens de blocage sont commandés par un ciruit de commande à effet capacitif comportant des capteurs disposés dans la poignée centrale ou un arceau de manipulation.Projectors, in particular of large dimensions, are today provided with means for locking in position the orientation articulations, of the type with spring brake and locking / unlocking member, as described in document FR-A-2,536,832. In this document, the locking means are controlled by a control circuit with a capacitive effect comprising sensors arranged in the central handle or a handling hoop.

La présente invention a pour autre objet de rendre encore plus aisée la manutention et le réglage en position de la coupole, avec un agencement de faible coût, compact, fiable et d'une grande souplesse d'utilisation.Another object of the present invention is to make handling and adjustment of the dome position even easier, with an arrangement of low cost, compact, reliable and great flexibility of use.

Pour ce faire, selon une autre caractéristique de l'invention, le chambrage est délimité, côté face extérieure du boudin par une paroi suffisamment mince pour être déformée par pression manuelle, et comporte des moyens de commande, sensibles à une déformation d'enfoncement local de ladite partie mince de paroi, pour commander le moyen de blocage d'articulation.To do this, according to another characteristic of the invention, the recess is delimited, on the outer face side of the tube by a wall which is sufficiently thin to be deformed by manual pressure, and comprises control means, sensitive to a local driving deformation. of said thin wall part, for controlling the articulation locking means.

Avec un tel agencement, le boudin assure les fonctions de protection contre les chocs, de manutention et de commande du moyen de blocage, en autorisant la mise en oeuvre de moyens de commande électriques ou pneumatiques insensibles aux conditions d'environnement d'un bloc opératoire et quel que soit le positionnement relatif de la coupole et de l'opérateur.With such an arrangement, the tube provides the functions of protection against shocks, handling and control of the locking means, by authorizing the use of electrical or pneumatic control means insensitive to the environmental conditions of an operating theater. and whatever the relative positioning of the dome and the operator.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui suit de modes de réalisation donnés à titre d'exemple, faite en référence avec les dessins annexés sur lesquels :

  • la figure 1 est une vue en perspective d'une installation d'éclairage à projecteurs selon l'invention ;
  • la figure 2 est une vue en coupe d'un détail de projecteur de la figure 1 ;
  • les figures 3 et 4 sont des vues analogues à la figure 2 de deux variantes de réalisation ;
  • la figure 5 est une vue en coupe d'une poignée de manoeuvre centrale de projecteur.
Other characteristics and advantages of the invention will emerge from the following description of embodiments given by way of example, given with reference to the appended drawings in which:
  • Figure 1 is a perspective view of a projector lighting installation according to the invention;
  • Figure 2 is a sectional view of a detail of the projector of Figure 1;
  • Figures 3 and 4 are views similar to Figure 2 of two alternative embodiments;
  • Figure 5 is a sectional view of a central projector operating handle.

En se référant aux figures 1 et 2, une installation d'éclairage opératoire 1 comprend généralement une coupole éclairante principale 2 montée à rotation F₁ autour d'un axe horizontal X₁X'₁, par une paire de tourillons diamétralement opposés -dont un est visible en 3- montés aux extrémités de deux bras 4 et 5 solidaires d'une fourche 6. La fourche 6 est montée à articulation selon F₂ autour d'un axe X₂X'₂ sur un bras à extension substantiellement verticale 7, lui-même monté à rotation selon F₃ autour d'un axe X₃X'₃ sur un bras-support 8 à extension horizontale, qui est articulé à rotation selon F₄ autour d'un axe vertical X₄X'₄ sur un support tubulaire 9 fixé au plafond d'une salle opératoire par une bride circulaire 10.With reference to FIGS. 1 and 2, an operating lighting installation 1 generally comprises a main illuminating dome 2 mounted for rotation F₁ around a horizontal axis X₁X'₁, by a pair of diametrically opposite trunnions -one of which is visible in 3- mounted at the ends of two arms 4 and 5 integral with a fork 6. The fork 6 is mounted with articulation along F₂ around an axis X₂X'₂ on an arm with substantially vertical extension 7, itself mounted for rotation along F₃ around an axis X₃X'₃ on a support arm 8 with horizontal extension, which is articulated in rotation along F₄ around a vertical axis X₄X'₄ on a tubular support 9 fixed to the ceiling of an operating room by a circular flange 10.

Ainsi, la coupole 2 peut être orientée par rotation autour de l'axe X₁X'₁, rapprochée ou éloignée par rotation autour de l'axe X₂X'₂, et spatialement positionnée par rotation autour des axes X₃X'₃ et X₄X'₄.Thus, the dome 2 can be oriented by rotation around the axis X₁X'₁, close or distant by rotation around the axis X₂X'₂, and spatially positioned by rotation around the axes X₃X'₃ and X₄X'₄.

En pratique, on dispose au moins d'un projecteur annexe à coupole 16 de dimensions plus restreintes, montée autour d'un axe Y₁Y'₁ d'un support en forme de fourche montée à articulation à rotation autour d'un axe Y₂Y'₂ sur un bras 17 lui-même monté à articulation selon l'axe Y₃Y'₃ sur un bras 10 articulé selon F₄ autour de l'axe X₄X'₄ du support tubulaire 9.In practice, there is at least one annex projector with a dome 16 of more limited dimensions, mounted around an axis Y₁Y'₁ of a fork-shaped support mounted with articulation to rotate about an axis Y₂Y'₂ on an arm 17 itself mounted with articulation along the axis Y₃Y'₃ on an arm 10 articulated along F₄ around the axis X₄X'₄ of the tubular support 9.

Comme on le voit mieux sur la figure 2, chaque coupole éclairante 2, 16, qui présente un large bord inférieur, est équipée à sa périphérie d'un boudin de protection contre les chocs 22 en matériau souple, avec un profil intérieur formant un épaulement annulaire haut 24, une gorge annulaire centrale d'encliquetage 25 du bord externe de coupole 2-16, et une large gorge annulaire 26 de retenue d'une plaque optique 27. Le profil extérieur 28 du boudin protecteur 22 a une forme arrondie convexe de façon à assurer la réception de tout choc entre la coupole 2 (16) et un objet environnant et entre les coupoles 2 et 16. Ce boudin protecteur 22 est évidé pour former un chambrage intérieur 29 pour accroître sa souplesse et faciliter son montage.As best seen in Figure 2, each illuminating dome 2, 16, which has a wide lower edge, is equipped at its periphery with an impact protection flange 22 of flexible material, with an internal profile forming a shoulder annular top 24, an annular central latching groove 25 of the outer edge of dome 2-16, and a wide annular groove 26 for retaining an optical plate 27. The outer profile 28 of the protective flange 22 has a convex rounded shape of so as to ensure reception of any impact between the dome 2 (16) and a surrounding object and between the dome 2 and 16. This protective flange 22 is hollowed out to form an internal recess 29 to increase its flexibility and facilitate its assembly.

Le boudin 22 est dimensionné transversalement de façon à constituer un organe de préhension manoeuvrable par un opérateur comme représenté aux figures 2, 3 et 4. De la sorte, on peut assurer par simple préhension directe de ce boudin 22, toute ré-orientation souhaitée selon les axes X₁X'₁ (Y₁Y'₁), X₂X'₂ (Y₂Y'₂), X₃X'₃ (Y₃Y'₃) et même X₄X'₄, sans nécessiter d'arceaux de manoeuvre solidaires de la coupole.The flange 22 is dimensioned transversely so as to constitute a gripping member which can be maneuvered by an operator as shown in FIGS. 2, 3 and 4. In this way, it is possible, by simple direct gripping of this flange 22, any desired re-orientation according to X₁X'₁ (Y₁Y'₁), X₂X'₂ (Y₂Y'₂), X₃X'₃ (Y₃Y'₃) and even X₄X'₄ axes, without the need for maneuvering hoops secured to the dome.

Selon l'invention, l'évidement 29 forme un chambrage annulaire et la souplesse du matériau constituant le boudin 22 et l'épaisseur de sa paroi 31 de délimitation extérieure sont adaptées pour permettre un écrasement du boudin 22 par simple pression entre pouce et index de la main de l'opérateur. Dns le mode de réalisation de la figure 3, l'effet de légère surpression ainsi obtenu est transféré par un tube fin 32 vers un détecteur de pression 40, couplé à un moyen de blocage d'articulation 41 pour assurer le déblocage ou le reblocage de freins usuels équipant la ou les différentes articulations (XX') (YY'). Ces freins, de type connu, sont constitués d'une surface de friction solidaire d'un bras et adaptée à s'appuyer à ressort sur une surface de coopération solidaire d'un autre bras, et l'action de ressort peut être contrebalancée par un effet électromagnétique d'un aimant excité par un courant fourni sous commande d'un signal émis ici par le détecteur de pression 40.According to the invention, the recess 29 forms an annular recess and the flexibility of the material constituting the tube 22 and the thickness of its wall 31 of external delimitation are adapted to allow crushing of the tube 22 by simple pressure between thumb and index finger. operator's hand. In the embodiment of FIG. 3, the effect of slight overpressure thus obtained is transferred by a thin tube 32 to a pressure detector 40, coupled to an articulation locking means 41 to ensure the unlocking or the resetting of usual brakes equipping the different articulation (s) (XX ') (YY'). These brakes, of known type, consist of a friction surface integral with an arm and adapted to bear spring loaded on a cooperation surface integral with another arm, and the spring action can be counterbalanced by an electromagnetic effect of a magnet excited by a current supplied under control of a signal emitted here by the pressure detector 40.

Ainsi, le système de transfert de signal du détecteur de pression peut assurer une excitation permanente des électroaimants de déblocage des freins d'articulation pendant toute la phase de surpression, dont la disparition provoque la mise au repos des électroaimants et le reblocage des freins, ou bien le déblocage se produit lors d'un premier signal correspondant à une première surpression dite de déblocage et cela jusqu'à la création d'une seconde surpression dite de reblocage des freins.Thus, the signal transfer system of the pressure detector can ensure a permanent excitation of the electromagnets for releasing the articulation brakes during the entire overpressure phase, the disappearance of which causes the electromagnets to rest and the relocking of the brakes, or indeed, the unlocking occurs during a first signal corresponding to a first so-called unlocking overpressure and this until the creation of a second so-called brake relocking overpressure.

Au lieu d'utiliser l'effet de surpression décrit ci-dessus, on peut, en variante, comme montré à la figure 4, mettre en oeuvre un moyen de commande à contacts électriques, par exemple sous forme de deux plots conducteurs annulaires 33 et 34 fixés à faible écartement mutuel sur les parois internes du chambrage 29 pour venir en contact sous l'effet d'une légère déformation manuelle du boudin 22. Chaque plot annulaire 33 (34) est raccordé par un conducteur 35 (36) et un dispositif de transfert au moyen de blocage 41 pour fournir à ce dernier un signal de commande du déblocage-reblocage des freins d'articulation.Instead of using the overpressure effect described above, it is possible, as a variant, as shown in FIG. 4, to implement a control means with electrical contacts, for example in the form of two annular conductive pads 33 and 34 fixed at a small mutual spacing on the internal walls of the recess 29 to come into contact under the effect of a slight manual deformation of the flange 22. Each annular stud 33 (34) is connected by a conductor 35 (36) and a device transfer to the locking means 41 to provide the latter with a signal for controlling the unlocking-relocking of the articulation brakes.

En se référant à la figure 5, une poignée 51 de manoeuvre centrale de réglage fin de la coupole éclairante 2 (16) est réalisée sous forme d'un manchon rigide 50 qui se monte sur un embout saillant axialement vers l'extérieur 52 du support central de coupole 53 et définissant un évidement intérieur axial 54. Le manchon rigide 51 est solidarisé en position montée par un cliquet 63 articulé en 55 et soumis à un ressort de verrouillage 56 et présentant un bras 57 dont l'abaissement provoque l'échappement du cliquet 63. Autour du manchon 51 est engagée une enveloppe souple 58 se verrouillant par un engagement d'un bourrelet d'extrémité 59 au delà d'un rebord 60 du manchon rigide 51. On réalise également ainsi un chambrage annulaire 61 communiquant par l'évidement 54 avec un tube 62 de liaison avec le détecteur de pression 40. La saisie de la poignée par le chirurgien provoque ainsi une surpression transférée au détecteur assurant, comme décrit précédemment, le déblocage des freins d'articulation des bras supports de coupole. A noter que la poignée est facilement amovible en vue de sa stérilisation.Referring to Figure 5, a handle 51 for central adjustment of fine adjustment of the illuminating dome 2 (16) is formed as a rigid sleeve 50 which is mounted on a tip protruding axially outward 52 of the support central dome 53 and defining an axial internal recess 54. The rigid sleeve 51 is secured in the mounted position by a pawl 63 articulated at 55 and subjected to a locking spring 56 and having an arm 57 whose lowering causes the escape of the ratchet 63. Around the sleeve 51 is engaged a flexible casing 58 locking by engagement of an end bead 59 beyond a flange 60 of the rigid sleeve 51. An annular recess 61 thus communicating by means of the recess 54 with a tube 62 for connection with the pressure detector 40. The grip of the handle by the surgeon thus causes an overpressure transferred to the detector ensuring, as described above, the release of the articulation brakes of the dome support arms. Note that the handle is easily removable for sterilization.

La présente invention s'applique à l'éclairage de tables opératoires, aux systèmes de distribution en salle d'opération et de soins intensifs et aux appareils de radiologie.The present invention applies to the lighting of operating tables, distribution systems in the operating room and intensive care and radiology devices.

Claims (8)

Projecteur à usage médical (1), plus particulièrement chirurgical, du genre comportant une coupole éclairante (2; 16) montée à articulation autour de différents axes de positionnement et d'orientation, et pourvue sur au moins une portion de son contour périphérique le plus large, d'un boudin protecteur en matériau souple (22), caractérisé en ce que le boudin protecteur en matériau souple (22) est dimensionné de façon à former un organe de préhension pour un opérateur pour manoeuvrer la coupole (2;16).Projector for medical use (1), more particularly surgical, of the type comprising an illuminating dome (2; 16) mounted at articulation around different axes of positioning and orientation, and provided on at least a portion of its most peripheral contour wide, of a protective tube of flexible material (22), characterized in that the protective tube of flexible material (22) is dimensioned so as to form a gripping member for an operator to maneuver the dome (2; 16). Projecteur selon la revendication 1, caractérisé en ce que le boudin protecteur (22) présente un évidement intérieur formant chambrage (29).Projector according to claim 1, characterized in that the protective flange (22) has an internal recess forming a recess (29). Projecteur selon la revendication 2, du genre où au moins une articulation d'orientation comprend un moyen de blocage d'articulation du type à frein à ressort et organe de blocage/déblocage, caractérisé en ce que le chambrage (29) est délimité, côté face extérieure du boudin (22) par une paroi suffisamment mince (31) pour être déformée par pression manuelle, et en ce qu'il comporte des moyens (32) (33,36) de commande, sensibles à une déformation d'enfoncement local de ladite partie mince de paroi (31), pour commander le moyen de blocage d'articulation.Projector according to claim 2, of the kind where at least one orientation articulation comprises articulation locking means of the spring brake type and locking / unlocking member, characterized in that the recess (29) is delimited, side outer face of the flange (22) by a wall sufficiently thin (31) to be deformed by manual pressure, and in that it comprises control means (32) (33,36), sensitive to a local driving deformation of said thin wall part (31), for controlling the articulation locking means. Projecteur selon la revendication 3, caractérisé en ce que les moyens de commande comprennent un tube (32) de transfert de la pression interne de chambrage (29) vers un détecteur de pression du moyen de blocage d'articulation.Projector according to claim 3, characterized in that the control means comprise a tube (32) for transferring the internal holding pressure (29) to a pressure detector of the articulation blocking means. Projecteur selon la revendication 4, caractérisé en ce que les moyens de commande comprennent deux plots en forme de couronnes (33;34) à l'intérieur du chambrage (29), à faible écartement l'une de l'autre, dont l'une (33) est solidaire de ladite partie de paroi mince (31), raccordés électriquement (35;36) au moyen de blocage d'articulation.Projector according to claim 4, characterized in that the control means comprise two studs in the form of crowns (33; 34) inside the recess (29), with small spacing from each other, the one (33) is integral with said thin wall part (31), electrically connected (35; 36) by means of articulation blocking. Projecteur selon l'une des revendications 1 à 5, caractérisé en ce que le boudin protecteur en matériau souple (22) est pourvu, du côté de sa face intérieure, d'une gorge d'encliquetage (25) du bord périphérique de coupole (2) (6).Projector according to one of claims 1 to 5, characterized in that the protective tube of flexible material (22) is provided, on the side of its inner face, with a snap-on groove (25) of the peripheral edge of the dome ( 2) (6). Projecteur selon l'une des revendications 1 à 6, caractérisé en ce que le boudin protecteur en matériau souple (22) est pourvu, du côté de sa face intérieure, d'une seconde gorge (26) de retenue d'une plaque optique (27).Projector according to one of claims 1 to 6, characterized in that the protective tube of flexible material (22) is provided, on the side of its inner face, with a second groove (26) for retaining an optical plate ( 27). Projecteur selon la revendication 4, caractérisé en ce qu'il comprend en outre une poignée de manoeuvre centrale (51) comportant une chambre annulaire déformable (61) communiquant avec le détecteur de pression.Projector according to claim 4, characterized in that it further comprises a central operating handle (51) comprising a deformable annular chamber (61) communicating with the pressure detector.
EP90402961A 1990-02-06 1990-10-22 Medical projector, particularly for surgical use Expired - Lifetime EP0441072B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9001322 1990-02-06
FR9001322A FR2657947B1 (en) 1990-02-06 1990-02-06 PROJECTOR FOR MEDICAL USE, PARTICULARLY SURGICAL.

Publications (2)

Publication Number Publication Date
EP0441072A1 true EP0441072A1 (en) 1991-08-14
EP0441072B1 EP0441072B1 (en) 1995-03-29

Family

ID=9393408

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402961A Expired - Lifetime EP0441072B1 (en) 1990-02-06 1990-10-22 Medical projector, particularly for surgical use

Country Status (10)

Country Link
US (1) US5165786A (en)
EP (1) EP0441072B1 (en)
JP (1) JP2500946B2 (en)
AT (1) ATE120530T1 (en)
AU (1) AU641976B2 (en)
CA (1) CA2035619A1 (en)
DE (1) DE69018240T2 (en)
FR (1) FR2657947B1 (en)
NO (1) NO910406L (en)
PT (1) PT96673A (en)

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Also Published As

Publication number Publication date
DE69018240T2 (en) 1995-09-14
FR2657947B1 (en) 1994-04-29
JPH05305099A (en) 1993-11-19
FR2657947A1 (en) 1991-08-09
JP2500946B2 (en) 1996-05-29
DE69018240D1 (en) 1995-05-04
AU7025691A (en) 1991-08-08
ATE120530T1 (en) 1995-04-15
NO910406L (en) 1991-08-07
US5165786A (en) 1992-11-24
EP0441072B1 (en) 1995-03-29
CA2035619A1 (en) 1991-08-07
AU641976B2 (en) 1993-10-07
NO910406D0 (en) 1991-02-04
PT96673A (en) 1992-10-30

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