Instrument for simultaneously collecting and dispensing at least two products

Abstract

The present invention relates to an instrument for dispensing a first product and at least a second product for mixing after their release from this instrument. According to the invention, this instrument comprises: - a first compartment (11) for receiving a first product, this first compartment having a first compression piston (14) having an actuating end (15), - a second compartment (16) for receiving a second product, this second compartment (16) having a second compression piston (19) having an actuating end (20), - the body of said first compartment (11) being extended on the side of its opposite open end by an elongated hollow body (22) partially surrounding the portion of the first piston (14) located outside said first compartment (11), this hollow body (22) having a lateral opening extending longitudinally, - said compartments (11,16) being arranged side by side, said instrument includes a device for joining the ends (15, 20) of these pistons (14, 19) to form a common actuating head (26), this joining device being configured to travel through at least a portion of this lateral opening during the movement of said common actuating head (26). [Fig. 2]

Description

Title of the invention: Instrument for simultaneously collecting and dispensing at least two products Technical field

[0001] The present invention relates to a medical or veterinary instrument for collecting and dispensing at least two products concomitantly.

[0002] It also relates to a syringe intended to be implemented in such a medical or veterinary instrument.

[0003] It also concerns a base allowing the respective products to be dispensed to be taken simultaneously from the compartments of this instrument. Prior art

[0004] It is known that at some point in its life, a domestic animal such as a cat or a dog will need a medication which will be administered orally.

[0005] For purely illustrative purposes, to preserve the health of the cat or dog, we know that it is necessary to regularly administer an oral dewormer such as a liquid dewormer. In other cases, the administration of an antibiotic will be necessary.

[0006] However, this oral administration, particularly in cats, can prove to be a real challenge.

[0007] It is indeed difficult to force a pet to swallow an unknown product which may also have low palatability.

[0008] It is then known to conceal the medicine in a small quantity of food in the hope that the pet will swallow it.

[0009] Nevertheless, it is observed that these domestic animals, and in particular cats, can, thanks to their highly developed sense of smell, detect the deception and leave aside the mouthful containing the medicine.

[0010] Furthermore, some of these medications in liquid form must be administered to the pet on an empty stomach, which makes it impossible to mask them with the smell of solid food.

[0011] It is then known how to mix this medication in liquid form with another liquid product which is highly appealing to the domestic animal in order to ensure its uptake.

[0012] However, for certain veterinary applications, these liquid products may be chemically incompatible, so that it is not feasible to prepare a ready-to-use mixture. In addition, the active ingredients are not always chemically stable in a liquid medium and the appetizing agents further destabilize these active ingredients in a liquid medium. liquid.

[0013] The preparation of this mixture by the owner of the domestic animal must therefore be carried out just before its administration.

[0014] Furthermore, it may be imperative to produce a mixture that is as precise as possible, taking into account at least one parameter of the domestic animal, such as its weight.

[0015] This requirement therefore requires manipulations to measure and make the mixture before introducing it into a syringe, then administering it orally to the domestic animal.

[0016] This results in a longer preparation time, which can also prove tedious for the preparer if repeated regularly.

[0017] In addition, dosage errors and losses of active product may occur during this preparation.

[0018] Also, it would be interesting to have an instrument for collecting and administering to an animal a drug and an appetizing matrix, the original design of which makes it possible to overcome the drawbacks mentioned above. Object of the invention

[0019] The present invention relates to a medical or veterinary instrument capable of simultaneously and separately collecting at least two products, of separately containing these products and of simultaneously or concomitantly delivering these products, while keeping them separate until they leave the instrument, for example to administer them directly into the mouth of the domestic animal or into the mouth of a riding, draft or grazing animal.

[0020] An object of the present invention is such a medical or veterinary instrument, simple in its design, economical and of great reliability in the dosage of at least two products such as liquid products.

[0021] Another object of the present invention is such a medical or veterinary instrument guaranteeing the impossibility of involuntarily actuating the control rod, or the piston, of a first compartment containing a first product to prevent the first product from being mistakenly delivered to the animal without concomitant delivery of a second product with which the first product is intended to be delivered at the same time, or to prevent any inadvertent loss of the first product.

[0022] It also relates to a syringe intended to be implemented in such a medical or veterinary instrument.

[0023] It also concerns a base which is particularly simple in its implementation and in its design, making it possible to simultaneously fill the compartments of this medical or veterinary instrument with their respective product. Statement of the invention

[0024] To this end, the invention relates to an instrument for dispensing a first product and at least one second product, each of the products being liquid or viscous.

[0025] According to the invention, this instrument comprises: - a first compartment having one end with a first outlet orifice and an opposite open end, a first compression piston being mounted in said first compartment, said first piston having a so-called actuating end, said first compression piston and said first compartment defining a first chamber for receiving the first product, - a second compartment separate from said first compartment, this second compartment having one end with a second outlet orifice and an opposite open end, a second compression piston being mounted in said second compartment, said second piston having a so-called actuating end, said second compression piston and said second compartment defining a second chamber for receiving the second product, - the first compartment being extended on the side of its open opposite end by an elongated hollow body partially surrounding the portion of said first piston located outside of said first compartment when this first piston is in a fully retracted position, said elongated hollow body being open at least partially on one of its sides to define a lateral opening extending longitudinally, - said instrument comprises a joining device for coupling the first and second pistons and thus forming a common actuating head of said pistons so that said pistons are moved simultaneously when a push or a pull is exerted on said common actuating head, and - said junction device is configured to travel through at least part of said lateral opening when a push or pull is exerted on said common actuating head.

[0026] Note that the present disclosure is not limited to the production of a medical or veterinary instrument for dispensing two liquid products concomitantly, but is intended for other types of products, such as the concomitant dispensing of a liquid product and a viscous product, or even two viscous products.

[0027] Note that according to a particular mode of implementation, this instrument makes it possible to distribute these two products at the same time to ensure their mixing directly in the mouth of the domestic animal or in the mouth of a riding, draft or grazing animal.

[0028] It should also be noted that the present disclosure is not limited to the simultaneous distribution of only two products, but that it could very well concern the distribution of at least three products. This has, in fact, been presented for a set comprising a syringe assembled to the first compartment, could be adapted for at least one additional syringe assembled to the first compartment. For purely illustrative purposes, another lateral opening could be added on another side of the first compartment and a joining device could be provided for assembling the so-called actuating ends of the pistons mounted in the different compartments thus assembled.

[0029] It should also be noted that these two compartments can be preassembled or be initially separate compartments which can be assembled together by at least one assembly element of these compartments.

[0030] It is known that the so-called actuating end, or proximal end, of a piston is also called the head and may have a finger rest surface, the piston thus comprising a rod, a head and a finger rest made in a single piece.

[0031] Advantageously, and in the case of the distribution of two products, the medical or veterinary instrument of the present disclosure makes it possible to physically separate a matrix providing palatability or hyper-palatability and a formula containing an active ingredient, so that the latter remains stable over time, to ensure their collection and their delivery simultaneously, thanks to this instrument, which is very simple to use for the owner of the animal.

[0032] This instrument can receive all types of liquid medications administered orally. The hyper-palatable matrix, with a creamy liquid texture, is available in several flavors / several types of formulas to overcome the problem of cat weariness: the owner can change the flavor / type of formula if necessary.

[0033] The features of the instrument of the present disclosure, described below, can be implemented as desired, separately or in combination with each other.

[0034] According to a particular embodiment of this instrument for dispensing a first product and at least one second product, this joining device is arranged to couple the so-called actuating ends of said first and second pistons and thus form the common actuating head of said pistons. Advantageously, the joining device thus makes it possible to connect the so-called actuating ends of the pistons, to make them integral and thus form a common actuating head for these pistons, so that the products present in the compartments are distributed concomitantly, or even simultaneously. The lateral opening of the elongated hollow body allows the operation of the instrument by allowing the movement of the joining device, and consequently of the actuating head to push the pistons and simultaneously discharge the products contained in the corresponding compartments or to suck up products to fill these compartments.

[0035] Alternatively, each of said first and second pistons comprising a rod, said joining device is configured to connect the rods of said first and second pistons.

[0036] In a particular embodiment, this joining device is placed close to the actuating ends of these pistons so as not to limit the stroke of the pistons in their respective compartment. For purely illustrative purposes, this joining device may take the form of an arm having open rings at its ends to receive the piston rods by clipping.

[0037] According to another particular embodiment of this instrument for dispensing a first product and at least one second product, this lateral opening being a slot defining a guide rail, said joining device is configured to be moved along said guide rail when said actuating head is actuated, thus guiding the movement of said pistons. This ensures a straight movement of the actuator head.

[0038] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, at least a portion of said lateral opening, preferably its end placed on the side of the so-called actuating end of the corresponding piston, has a foolproof shape, so that only a joining device formed by the joining of the so-called actuating ends of the pistons of two predetermined compartments, has the shape, or configuration, required to allow its movement over at least a portion of said lateral opening when said common actuating head is actuated. In other words, when this required shape or configuration is not obtained, the keyed shape of said lateral opening prevents the actuation of the pistons.

[0039] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, said elongated hollow body is configured to prevent access to the so-called actuating end of said first piston, at least to one finger. Since the piston of the first compartment is not accessible to the user's finger, this ensures that the contents of the first compartment cannot be inadvertently dispensed, which prevents any loss of product, for example. The junction device connecting the so-called actuating ends of the pistons also ensures that the product contained in the first compartment cannot be delivered, or dispensed, alone. In addition, it is also ensured that both products are taken simultaneously, through a single action, so that the ratio between each product is respected.

[0040] Preferably, at least a portion of said elongated hollow body then has a tubular shape, the lateral opening extending to the free end of said elongated hollow body, possibly the latter having a flared shape.

[0041] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, said first compartment defining a first main body axis and said second compartment defining a second main body axis, it comprises at least one assembly element of said first and second compartments, said at least one assembly element being configured to keep the first and second main axes aligned or substantially aligned on the same reference axis, on which said actuating head is centered or substantially centered. Advantageously, this ensures that each piston is correctly centered on the axis of the compartment in which it is mounted, so as to avoid any untimely stopping of the advance of this piston in its compartment due to jamming. It is therefore possible to distribute the entire contents of the chamber of the corresponding compartment.

[0042] Preferably, the first compartment comprises lateral extensions defining a lateral housing for receiving and retaining said second compartment. Advantageously, and purely for illustrative purposes, these lateral extensions define with the outer wall of the first compartment a housing having a substantially U-shaped cross-section of which each wing, or branch of the U, is flexible, or elastically deformable, to ensure access to the corresponding housing. In a particular embodiment, these wings further form clipping means with said second compartment. In another embodiment, at least one additional attachment element is provided to assemble these two compartments and thus keep them connected to each other.

[0043] Such an embodiment also makes it possible to use conventional commercial syringes which are received and mounted on the first compartment. The joining device is then an added part.

[0044] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, the so-called actuating ends of the first and second pistons are shaped to unite with each other and thus define said common actuating head of said pistons.

[0045] The joining device is thus formed by the actuating ends of said pistons, which are shaped to unite with each other and thus define this common actuating head of said pistons.

[0046] Advantageously, the so-called actuating end of one of said pistons comprises a female joining element such as a hollow part, while the so-called actuating end of the other piston comprises a male joining element such as a projecting part of a shape complementary to the hollow part, said male and female joining elements having complementary shapes to ensure their assembly by shape engagement.

[0047] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, said joining device is an added part, which is configured to couple the first and second pistons. Such an embodiment makes it possible to use conventional commercial syringes, possibly pre-filled, which are received and mounted on the first compartment.

[0048] Advantageously, this added part has an inner face comprising openings allowing access to housings each sized to receive the so-called actuating end of a corresponding piston.

[0049] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, at least one of the outlet orifices of said compartments is off-center relative to the main axis of the body of the corresponding compartment to bring said outlet orifices spatially closer to each other, so that the outlet orifices are spaced apart by a maximum distance of, for example, 1.5 cm, preferably 1 cm and more preferably 0.5 cm. Preferably, the first compartment comprising at least one element for assembling said first and second compartments, this outlet orifice is placed on the side of said at least one assembly element so as to be close to the outlet orifice of the second compartment thus assembled to the first compartment.

[0050] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, said first and second compartments are cylindrical. Preferably, at least a portion of the elongated hollow body is then also cylindrical.

[0051] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, the first compartment and said elongated hollow body and / or said joining device and one of said pistons are formed from a single piece. Here, the expression "the first compartment and said elongated hollow body are formed from a single piece" or "said connecting device and one of said pistons are formed from a single piece" means that they are made from a single piece. For purely illustrative purposes, they are obtained by molding a plastic material.

[0052] According to yet another particular embodiment of this instrument for dispensing a first product and at least one second product, it comprises a means connection configured to receive the ends of said compartments each comprising an outlet orifice and place these outlet orifices in fluid communication respectively with a first container comprising the first product to be sampled, and a second container comprising the second product to be sampled. For purely illustrative purposes, a base configured to receive and support the ends of said compartments each having an outlet orifice, and place these outlet orifices in fluid communication with corresponding internal pipes, which are each connected and in fluid communication with an attached container for supplying a corresponding compartment with a respective product. Alternatively, these internal pipes may open onto an opposite face of the base to that receiving the ends of said compartments. This base is then configured to keep the first and second main axes of said compartments aligned or substantially aligned on the same reference axis, on which said actuating head is centered or substantially centered.

[0053] According to yet another particular embodiment of this instrument for dispensing a first and at least one second product, this instrument makes it possible to correct / modify the dose.

[0054] In a particular embodiment, the volume of the chamber of a first compartment (intended to contain the composition comprising the active ingredient) is from 5 to 60 mL, preferably from 5 to 50 mL, and even better from 10 to 50 mL, for example 18 mL, 20 mL, 25 mL or 50 mL.

[0055] The volume of the chamber of the other compartment (intended to contain the appetizing matrix) is 10 to 300 mL or 10 to 250 mL, or even 20 to 200 mL, and even better 40 to 180 mL and even more preferably 60 to 120 mL, for example 60 mL, 80 mL, 100 mL, 240 mL, 300 mL.

[0056] The present invention also relates to a syringe for an instrument for dispensing a first product and at least one second product as described above. According to the invention, - this syringe comprises a compartment having one end with an outlet orifice and an opposite open end, a compression piston being mounted in this compartment making a sealing contact with the interior of the compartment, said piston comprising a so-called actuating end, said compression piston and said compartment defining a chamber for receiving a product, - the compartment being extended on the side of its open opposite end by an elongated hollow body partially surrounding the portion of said piston located outside of said compartment when this piston is in a fully retracted position, said elongated hollow body being open at least partially on one of its sides to define a lateral opening extending longitudinally, - said elongated hollow body being configured to prevent access to the so-called actuating end of said first piston, at least to one finger.

[0057] In the fully retracted position of the piston, the piston seal located at its distal end is closest to the opposite open end of the corresponding compartment.

[0058] According to a particular embodiment of this syringe, said compartment and said elongated hollow body are formed from a single piece.

[0059] According to another particular embodiment of this syringe, said compartment having a main axis, its outlet orifice is off-center relative to this main axis.

[0060] According to yet another particular embodiment of this syringe, the so-called actuating end of said piston comprises a female joining element such as a hollow part of a shape complementary to a male joining element placed at the so-called actuating end of another piston, or a male joining element such as a projecting part, of a shape complementary to a female joining element placed at the so-called actuating end of another piston, to ensure the assembly of the so-called actuating ends of these pistons by shape engagement.

[0061] The present invention also relates to a base for simultaneously loading the first and second compartments of an instrument for dispensing a first product and at least one second product as described above, with their respective liquid or viscous product. According to the invention, this base comprises: - a receiving and supporting base, said base being configured to receive and support said first and second compartments of the instrument, - a first orifice for receiving and supporting a first container comprising the first product to be sampled, - and a second orifice for receiving and supporting a second container comprising the second product to be sampled, - said base comprising a connection means configured to receive the ends of said compartments each comprising an outlet orifice and to place these outlet orifices in fluid communication respectively with the first container and the second container.

[0062] For purely illustrative purposes, the base of this stand includes internal conduits enabling each receiving and supporting orifice of an attached container, for example one whose orifice is screwed into the corresponding orifice, to be placed in fluid communication with a corresponding compartment of the instrument.

[0063] Preferably, this receiving and support base is removable. It can also be configured to maintain the first and second main axes of said compartments aligned or substantially aligned on the same reference axis, on which said actuating head is centered or substantially centered.

[0064] For purely illustrative purposes, this receiving and support base is entirely made of a plastic material compatible with the products intended to be received in the compartments of the instrument. Brief description of the drawings

[0065] Other advantages, aims and particular characteristics of the present invention will emerge from the description which follows, given, for explanatory and in no way limiting purposes, with reference to the appended drawings, in which: Fig.l

[0066] [Fig.l] is a schematic representation of an instrument for dispensing a first product and at least one second product according to a particular embodiment of the present invention; Fig. 2

[0067] [Fig.2] is an exploded and perspective view of the instrument illustrated in [Fig.l]; Fig. 3

[0068] [Fig.3] is another view, in profile, of the instrument illustrated in [Fig.l]; Fig. 4

[0069] [Fig.4] is a sectional view of the instrument illustrated in [Fig.l]; Fig. 5

[0070] [Fig.5] is a schematic representation of an instrument for dispensing a first product and at least one second product according to another embodiment of the present invention; Fig. 6

[0071] [Fig.6] is a sectional view of the instrument illustrated in [Fig.5]; Fig. 7

[0072] [Fig.7] shows a base for simultaneously loading the compartments of an instrument for dispensing a first product and at least one second product according to a first embodiment of the present invention; Fig. 8

[0073] [Fig.8] is a perspective view of a base for simultaneously loading the compartments of an instrument for dispensing a first product and at least one second product, according to a second embodiment of the present invention; Fig. 9

[0074] [Fig.9] is a side view and partially transparent of the base shown in [Fig.8] to show the internal pipes; Fig. 10

[0075] [Fig. 10] is a perspective view of a base for simultaneously charging the com compartments of an instrument for dispensing a first product and at least one second product, according to a third embodiment of the present invention; Fig. 11

[0076] [Fig. 11] is a bottom view of the base shown in [Fig. 10] to show internal pipes; Description of the embodiments

[0077] The drawings and the description below contain, for the most part, elements of a certain character. They may therefore not only serve to better understand the present invention, but also contribute to its definition, where appropriate.

[0078] First of all, we note that the figures are not to scale.

[0079] Figures 1 to 5 schematically represent an instrument for dispensing a first product and at least one second product according to a particular embodiment of the present invention.

[0080] This instrument is for example a veterinary instrument used to simultaneously distribute two liquid products, for example chemically incompatible, in order to ensure their mixing after their release from this instrument, in particular directly into the mouth of a pet such as a cat or a dog.

[0081] This instrument 10 comprises a first compartment 11 and a second compartment 16.

[0082] The first compartment 11 has for example one end with a first outlet orifice 12 and an opposite open end 13. A first compression piston 14 can be mounted in this first compartment in particular by making a sealed contact with the interior of this compartment. The first piston 14 can have a so-called actuating end 15, oriented opposite the first outlet orifice 12. Said first compression piston 14 and said first compartment 11 define for example a first chamber 23 for receiving a first liquid product. The first compartment 11 can be made of plastic or glass.

[0083] The second compartment 16 may be distinct and initially separate from the first compartment 11. The second compartment 16 has for example one end with a second outlet orifice 17 and an opposite open end 18. A second compression piston 19 may be mounted in this second compartment 16 in particular by making a sealing contact with the interior of this compartment. The second piston 19 may comprise a so-called actuating end 20, oriented opposite the second outlet orifice 17. The second compression piston 19 and the second compartment 16 defines for example a second chamber 24 for receiving a second liquid product. The second compartment 16 can be made of plastic or glass.

[0084] The first and second compartments 11, 16 may be assembled by being arranged side by side or in parallel. For this, the first compartment 11, and more precisely the body of the first compartment, may comprise wing-shaped extensions 21 extending laterally to this first compartment 11 and placed opposite each other. A housing 27 is thus defined in which the second compartment 16 may be received, for example, by clipping.

[0085] An elongated hollow body 22 may be placed in the extension of the upper end, or even of the open opposite end 13, of the first compartment 11, and more precisely of the body of the first compartment. The elongated hollow body 22 and the first compartment 11 may be formed from a single piece, for example made of plastic material, for example transparent.

[0086] The elongated hollow body 22 may have a tubular shape, for example open on one of its sides so as to form a lateral opening 25. It may thus partially enclose a so-called external portion of the first piston 14. The so-called external portion corresponds to the part of the first piston located outside the first compartment 11. The first piston 14 is shown here in its fully retracted position.

[0087] The lateral opening 25 of the elongated hollow body 22 can extend above the so-called actuating end 15 of the first piston 14 when the latter is in its fully retracted position, so that it is impossible for the user to actuate this first piston 14 inadvertently.

[0088] The first chamber 23 of this first compartment 11 receives for example the appetizing matrix, thus ensuring no loss of appetizing matrix or that the latter cannot be delivered alone.

[0089] The so-called actuating ends 15, 20 of the first and second pistons 14, 19 have, for example, complementary shapes so that they can be assembled by shape engagement to form a common actuating head 26 allowing the simultaneous actuation of these pistons.

[0090] Furthermore, these so-called actuating ends 15, 20 can be shaped to ensure the movement of the common actuating head 26 for actuating the pistons 14, 19 through the lateral opening defined by the elongated hollow body 22.

[0091] Advantageously, there may be cooperation between the shape of the common actuating head 26 and the lateral opening 25 of the elongated hollow body 22 to guide the movement of the common actuating head 26.

[0092] Thus by pushing the common actuating head 26 from a completely retracted to a discharge position of each piston, the liquid products contained in the first and second compartments 11, 16 are simultaneously dispensed, or discharged. By pulling the common actuating head 26 backwards from the discharge position, product is simultaneously sucked, or taken, from each of the compartments.

[0093] The outlet orifice 12 of the first compartment 11 may be off-center, or even offset to the side, to bring the outlet orifices 12, 17 of the two compartments 11, 16 closer together. Preferably, the spacing between these outlet orifices 12, 17 is less than or equal to 1.5 cm, preferably less than or equal to 1.0 cm or even more preferably, less than or equal to 0.5 cm.

[0094] The outlet orifices 12, 17 of the first and second compartments 11, 16 also have different diameters to differentiate these outlet orifices and form a foolproofing device. This avoids any error in filling the corresponding compartments.

[0095] The common actuating head 26 may comprise a main axis passing through the so-called actuating ends 15, 20 of the pistons 14, 19. The main axis may be arranged transversely or substantially transversely to the lateral opening 25.

[0096] The second compartment 16 makes it possible to take a quantity of second liquid product B adjustable to the weight of the animal in mL / kg while the first compartment 11 is controlled by the second compartment 16 so as to take a quantity of first liquid product A proportional to the second liquid product B in ratios B:A for example of 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:9 or even 1:10. The ratio is variable according to the dimensions of the first and second compartments 11, 16.

[0097] For purely illustrative purposes, the volume of liquid product stored in the second compartment 16 receiving the liquid product B is between 1-10 mL or 1-5 mL or even 1-2 mL. The volume of liquid product stored in the second compartment is for example 5 mL or 1 mL.

[0098] The common actuating head 26 of the pistons can make it possible to dose each liquid product at a rate of 0.05 - 0.25 mL / kg for the product contained in the second compartment 16 and 0.1 to 1 mL / kg for the liquid product contained in the first compartment 11. The instrument thus makes it possible to dose very precise volumes.

[0099] For purely illustrative purposes, the precision of the graduation for the dosage in the second compartment 16 is 0.05-0.25 mL, preferably 0.05 to 0.1 mL, for example 0.05 mL.

[0100] The instrument for dispensing a first product and at least one second product may comprise connection means, such as pipes 83, 84 illustrated with respect to [Fig. 9]. Note that these pipes 83, 84 are not necessarily integrated into a base as illustrated in [Fig. 9].

[0101] [Fig.5] and 6 are a schematic representation of an instrument for dispensing a first product and at least one second product 50 according to another embodiment of the present invention.

[0102] The elements of the instrument 50 shown in [Fig.5] and 6 bearing the same references as the elements of the instrument illustrated in [Fig.l] to 4 represent the same objects, which will not be described again below.

[0103] The instrument 50 shown in [Fig. 5] and 6 differs from that illustrated in [Fig. 1] to 4, in that the so-called actuating ends 51, 52 of the pistons have complementary shapes to ensure their assembly by engagement, which are of a different configuration. They are notably less wide, the lateral opening of the longitudinal hollow body 53 being narrower here.

[0104] The cross-section of the housing defined by the lateral extensions 54 and the outer wall of the first compartment is also significantly different in being more rounded and therefore closer to a C than to a U.

[0105] [Fig.7] to 9 illustrate a base 70, 80 for simultaneously loading the compartments of an instrument for dispensing a first product and a second product, called a double-compartment instrument, according to two variant embodiments.

[0106] Each of these bases 70, 80 may comprise supports for connecting, for example, two containers 71, 72, 81, 82. Each base 70, 80 may comprise liquid supply circuits which are entirely separate, the liquid supply circuits being configured to be supplied by the containers 71, 72, 81, 82. Each of these liquid supply circuits may, for example, comprise a pipe 83, 84, opening at its other end onto a corresponding orifice 73, 74, 85, 86 of a base for receiving and supporting a double-compartment instrument. The supply circuits and more particularly the pipes 83, 84, form means for connecting the first and second compartments 11, 16 to the containers 71, 72, 81, 82.

[0107] These liquid supply circuits are therefore completely separate so that each compartment to be filled in the instrument can only be loaded with a single corresponding liquid product.

[0108] The orifices 73, 74, 85, 86 of this receiving and support base are intended to receive and be connected for example by plugging with the ends of the compartments comprising the outlet orifices 12, 17. The outlet orifices can be in the form of plugs, or pins. The orifices 73, 74, 85, 86 can thus form a sort of socket to which the instrument to be filled is connected.

[0109] Note that the orifices 73, 74, 85, 86 of this receiving and support base may have different diameters, each corresponding to the diameter of the outlet orifice 12, 17 of a respective compartment 11, 16 to ensure a function of keying.

[0110] The orifices 73, 74, 85, 86 of this receiving and support base can be hermetically closed using a plug 87, for example screwed. This plug 87 can come from one of the containers 71, 72, 81, 82.

[0111] [Fig. 10] to 11 illustrate a base 90 for simultaneously loading the compartments of an instrument for dispensing a first product and a second product, called a double-compartment instrument, according to a third embodiment.

[0112] The elements of the base 90 shown in [Fig. 10] and 11 bearing the same references as those of the bases 70, 80 illustrated in [Fig. 7] to 9 represent the same objects, which will not be described again below.

[0113] The base 90 shown in [Fig. 10] and 11 differs essentially from those shown in [Fig. 7] and 9 in that its receiving and supporting base 91 comprises a support 92 for receiving the instrument 10, 50 for dispensing a first product and at least one second product, between two uses of the latter. In addition, the conduits 93 of the receiving and supporting base 91 are removable so that they can be replaced at least in part by new conduits, when the instrument is intended to receive at least one new product.

Claims

Claims

1. Instrument (10, 50) for dispensing a first product and at least one second product, each of the products being liquid or viscous, characterized in that it comprises: - a first compartment (11) having one end with a first outlet orifice (12) and an opposite open end (13), a first compression piston (14) being mounted in said first compartment (11), said first piston (14) having a so-called actuating end (15, 51), said first compression piston (14) and said first compartment (11) defining a first chamber (23) for receiving the first product, - a second compartment (16) separate from said first compartment (11), said second compartment (16) having one end with a second outlet orifice (17) and an opposite open end (18), a second compression piston (19) being mounted in said second compartment (16), said second piston (19) having a so-called actuating end (20, 52), said second compression piston (19) and said second compartment (16) defining a second chamber (24) for receiving the second product, - the first compartment (11) being extended on the side of its open opposite end by an elongated hollow body (22) partially surrounding the portion of said first piston (14) located outside said first compartment (11) when this first piston (14) is in a fully retracted position, said elongated hollow body (22) being open at least partially on one of its sides to define a lateral opening (25, 53) extending longitudinally, - said instrument comprises a joining device for coupling the first and second pistons (14, 19) and thus forming a common actuating head (26) of said pistons so that said pistons are moved simultaneously when a push or a pull is exerted on said common actuating head (26), and in that - said joining device is configured to travel through at least a portion of said lateral opening when a push or a pull is exerted on said common actuating head (26).

2. Instrument for dispensing a first product and at least one second product according to claim 1, characterized in that said joining device is arranged to couple the so-called actuating ends of said first and second pistons (14, 19) and thus form the common actuating head (26) of said pistons.

3. Instrument for dispensing a first product and at least one second product according to claim 1, characterized in that each of said first and second pistons (14, 19) comprising a rod, said joining device is configured to connect the rods of said first and second pistons (14, 19).

4. Instrument for dispensing a first product and at least one second product according to any one of claims 1 to 3, characterized in that said lateral opening (25, 53) being a slot defining a guide rail, said joining device is configured to be moved along said guide rail when said actuating head (26) is actuated, thus guiding the movement of said pistons (14, 19).

5. Instrument for dispensing a first product and at least one second product according to any one of the preceding claims, characterized in that said elongated hollow body (22) is configured to prevent access to the so-called actuating end (15) of said first piston (14), at least to one finger.

6. Instrument for dispensing a first product and at least one second product according to claim 5, characterized in that at least a part of said elongated hollow body (22) has a tubular shape, said lateral opening (25, 53) extending to the free end of said elongated hollow body.

7. Instrument for dispensing a first product and at least one second product according to any one of the preceding claims, characterized in that said first compartment (11) defining a first main body axis (28) and said second compartment (16) defining a second main body axis, it comprises at least one assembly element of said first and second compartments (11, 16), said at least one assembly element being configured to keep the first and second main axes aligned or substantially aligned on the same reference axis, on which said actuating head (26) is centered or substantially centered.

8. Instrument for dispensing a first product and at least one second product according to claim 2 and according to any one of claims 4 to 7, characterized in that the so-called actuating ends (15, 20) of the first and second pistons (14, 19) are shaped to unite with each other and thus define said common actuating head (26) of said pistons.

9. Instrument for dispensing a first product and at least one second product according to any one of claims 1 to 7, characterized in that said joining device is an attached part, which is configured to couple the first and second pistons.

10. Instrument for dispensing a first product and at least one second product according to any one of the preceding claims, characterized in that at least one of the outlet orifices (12, 17) of said compartments is offset relative to its corresponding compartment body main axis to spatially bring said outlet orifices (12, 17) closer to each other, so that the outlet orifices (12, 17) are spaced apart by a maximum distance of, for example, 1.5 cm, preferably 1 cm and more preferably 0.5 cm.

11. Instrument for dispensing a first product and at least one second product according to any one of the preceding claims, characterized in that the first compartment (11) and the elongated hollow body (22) and / or said joining device and one of said pistons are formed from a single piece.

12. Instrument for dispensing a first product and at least one second product according to any one of the preceding claims, characterized in that it comprises a connection means configured to receive the ends of said compartments each comprising an outlet orifice (12, 17) and to place these outlet orifices in fluid communication respectively with a first container (71) comprising the first product to be sampled, and a second container (72) comprising the second product to be sampled.

13. Syringe for an instrument (10, 50) for dispensing a first product and at least one second product according to any one of claims 1 to 12, characterized in that - said syringe comprises a compartment (11) having one end with an outlet orifice (12) and an open opposite end (13), a compression piston (14) being mounted in this compartment (11), said piston (14) comprising a so-called actuating end (15), said compression piston (14) and said compartment (11) defining a chamber (23) for receiving a product, - the compartment (11) being extended on the side of its open opposite end (13) by an elongated hollow body (22) partially surrounding the portion of said piston (14) located outside of said compartment (11) when this piston (14) is in a fully retracted position, said elongated hollow body (22) being open at least partially on one of its sides to define a lateral opening (25, 53) extending longitudinally, - said elongated hollow body (22) being configured to prevent access to the so-called actuating end (15) of said first piston (14), at least to one finger.

14. Syringe according to claim 13, characterized in that said compartment (11) and said elongated hollow body (22) are formed from a single piece.

15. Syringe according to claim 13 or 14, characterized in that said compartment (11) having a main axis (28), its outlet orifice (12) is off-center relative to this main axis (28).

16. Syringe according to any one of claims 13 to 15, characterized in that the so-called actuating end (15) of said piston (14) comprises a female joining element such as a hollow part of a shape complementary to a male joining element placed at the so-called actuating end (20) of another piston (19), or a male joining element such as a projecting part, of a shape complementary to a female joining element placed at the so-called actuating end (20) of another piston (19), to ensure the assembly of the so-called actuating ends (15, 20) of these pistons (14, 19) by form engagement.

17. Base (70, 80) for simultaneously loading the first and second compartments (11, 16) of an instrument (10) for dispensing a first product and at least one second product according to any one of claims 1 to 12, with their respective liquid or viscous product, characterized in that it comprises: - a base (91) for receiving and supporting, said base being configured to receive and support said first and second compartments (11, 16), - a first orifice (73, 85) for receiving and supporting a first container (71, 81) comprising the first product to be sampled, - and a second orifice (74, 86) for receiving and supporting a second container (72, 82) comprising the second product to be sampled, - said base (91) comprising a connection means (83, 84) configured to receive the ends of said compartments each comprising an outlet orifice (12, 17) and placing these outlet orifices in fluid communication respectively with the first container (71) and the second container (72).

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