EP2214981A1 - Distributeur de comprimés - Google Patents

Distributeur de comprimés

Info

Publication number
EP2214981A1
EP2214981A1 EP08857102A EP08857102A EP2214981A1 EP 2214981 A1 EP2214981 A1 EP 2214981A1 EP 08857102 A EP08857102 A EP 08857102A EP 08857102 A EP08857102 A EP 08857102A EP 2214981 A1 EP2214981 A1 EP 2214981A1
Authority
EP
European Patent Office
Prior art keywords
conveying
housing
tablets
dispensing device
tablet
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.)
Withdrawn
Application number
EP08857102A
Other languages
German (de)
English (en)
Inventor
Fritz Dill
Ludwig Daniel WEIBEL
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.)
Vifor International AG
Original Assignee
Vifor International AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vifor International AG filed Critical Vifor International AG
Priority to EP08857102A priority Critical patent/EP2214981A1/fr
Publication of EP2214981A1 publication Critical patent/EP2214981A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/04—Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, or spherical or like small articles, e.g. tablets or pills
    • B65D83/0409—Containers or packages with special means for dispensing contents for dispensing annular, disc-shaped, or spherical or like small articles, e.g. tablets or pills the dispensing means being adapted for delivering one article, or a single dose, upon each actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container

Definitions

  • a tablet case A tablet case
  • the present invention relates to a dispenser for substantially flat tablets.
  • the invention further relates to a method for removing a tablet from a dispenser for tablets.
  • the device is adapted to receive a stack of tablets and to separate the tablets, i. individually or in a predetermined number.
  • the tablets may be e.g. to tablet-shaped medicament preparations, other health-promoting preparations, e.g. Vitamin tablets or dietary supplements to treat tablet-shaped sweets or chewing gum, detergent tablets such as e.g. Washing machine tablets or dishwasher tabs, etc. act.
  • the invention is not limited to a particular type of tablets. But it is particularly suitable for tablets that need to be protected against moisture and / or mechanical damage.
  • Tablets which are to be reliably protected against mechanical damage are, above all, tablets present as medicaments which must be consumed by patients for the purpose of healing.
  • Vitamin supplements which are given in the form of tablets, or medicines containing iron or iron compounds, must be regularly protected from moisture.
  • dispensers are also referred to briefly as tablet dispensers or tablet dispensers.
  • WO 03/086901 or WO 2005/112672 discloses dispenser inserts or attachments for standard tablet tubes. While such an insert or attachment allows for easy separation of the tablets, the tube must be turned upside down to force the tablets into the dispenser insert by gravity. This is unsatisfactory.
  • Damage to the tablets may be the result, and in particular if, after removal of a tablet, finally, the underlying tablets are pressed with relatively great force and speed in the direction of the upper, open end. Also, a large spring pressure can cause an uppermost tablet is difficult to remove.
  • US 6,230,931 discloses a dispenser in which a stack of tablets rests on a lift element housed in a tubular housing.
  • the lift element is displaceable relative to the housing via a ratchet connection in the direction of a removal opening.
  • the quick connection prevents a pushing back of the lift element against the feed direction.
  • An actuating button for the lift element is guided outwards through a longitudinal slot in the housing and allows a user to advance the lift element and thus the stack of tablets in the housing.
  • a particular disadvantage of this construction is that the housing necessarily has a slot, as a result of which the housing is not exposed to air or moisture. can be tightly closed. Since the tablets are accessible, they can easily become dirty.
  • the dispenser described is unsuitable for moisture-sensitive tablets such as effervescent tablets.
  • the dispenser includes a housing that receives the stack of tablets. It has a removal opening which allows the removal of a single tablet or a predetermined number of tablets, for example two or three tablets. This Ent.öffiiung is not necessarily limited solely by the housing, but may also be limited by other elements of the dispenser.
  • the housing may further comprise a lid, in particular a hinged lid.
  • the dispensing device comprises a conveying element which serves to convey the stack of tablets along a conveying direction to the removal opening.
  • the dispenser includes holding means formed as follows. During a movement of the conveying element from the delivery position into the conveying position, the holding means hold the stack of tablets relative to the housing in such a way that the conveying element shifts against the stack of tablets in the opposite direction to the conveying direction. In a return movement of the conveying element from the conveying position into the dispensing position, however, the holding means hold the stack of tablets such that the stack of tablets is carried along by the conveying element in the conveying direction.
  • the conveying element and the holding means in interaction with the housing thus cause the stack of tablets to be conveyed by a predetermined amount in the conveying direction during each forward and backward movement of the conveying element.
  • this predetermined amount may be the thickness of a single tablet or a predetermined number of tablets.
  • Such a dispenser allows a very simple operation. After a tablet has been removed from the receiving opening, the conveying element only has to be moved relative to the housing into the conveying position and back into the dispensing position in order to provide a new tablet or a predetermined number of new tablets in the dispensing opening. The movement of the conveying element in the conveying position is usually done manually by the user.
  • the return movement is preferably carried out by an elastic element described in more detail below, but may optionally be done manually.
  • This function is independent of the orientation of the dispenser.
  • the conveying element can readily be arranged completely within the housing, so that it is easily possible to form the dispenser moisture-tight sealable.
  • the entire device can be inexpensively manufactured by injection molding of plastic.
  • the stack of tablets is prevented from moving relative to the housing and / or the conveying element in discrete steps counter to the conveying direction. Within each stage, the stack of tablets is reciprocable relative to the element in question. But as soon as each next level is reached, a return movement of the tablet stack relative to the housing or with respect to the conveying element beyond this stage is no longer possible.
  • the step spacing may correspond to the thickness of a single tablet or a predetermined number of tablets of predetermined thickness. However, it may also correspond to only a fraction of the typical thickness of a tablet, e.g. 0.5 to 2 millimeters, so that the device can be filled with tablets of different thickness. In particular, it is then possible with the device to administer tablets having a thickness which corresponds to an integer multiple of the step spacing.
  • the lid is positively connected to the one "upper” end of the outer tube so as to close this upper end particularly reliably, in particular a press fit between the lid and the outer tube, so as to ensure a moisture-proof closure in a particularly secure manner the other "lower” end of the outer tube is sealed with a moisture-proof floor. There is then no passage, gap and the like, could pass through the moisture in the interior of the dispenser.
  • the bottom of the housing may be a separate part which closes the other (lower) end of the outer tube without play.
  • the bottom of the housing may be a separate part which closes the other (lower) end of the outer tube without play.
  • the bottom of the housing may be a separate part which closes the other (lower) end of the outer tube without play.
  • a cohesive connection between the bottom and the lower end of the outer tube ensures even more reliable that no moisture, for example in the form of moist air can penetrate into the dispenser.
  • the holding means comprise a lifting element on which the stack of tablets rests with its proximal end (that is to say with the "lower" end opposite the opening).
  • the lift element then cooperates with the housing such that it is movable relative to the housing along the conveying direction, for example in discrete steps as described above, while it is prevented from moving counter to the conveying direction at least in stages.
  • the lift element cooperates with the conveying element in such a way that it permits a movement of the conveying element relative to the housing counter to the conveying direction, while it is entrained thereby in the conveying direction when the conveying element moves.
  • the lift element is also movable relative to the conveying element only in the conveying direction, for example also gradually, while it is prevented at least in stages against movement relative to the conveying element against the conveying direction. In this way it can be achieved that the stack of tablets is conveyed by the predetermined amount in the conveying direction during the forward and backward movement of the conveying element.
  • This function can be achieved by connecting the lift element to the housing cooperates via a ratchet connection, which permits a movement of the lift element relative to the housing in the conveying direction and prevents stepwise against the conveying direction.
  • a plurality of along the conveying direction arranged one behind another on an inner surface of the housing.
  • Locking elements for example in the form of beveled in the conveying direction blocking shed, (retaining teeth) or locking cam be formed, which cooperate with at least a first locking portion of the lift element such that they allow movement of the lift member relative to the housing in the conveying direction and prevent stepwise against the conveying direction.
  • the lift element In order to press the latching area of the lift element elastically against the blocking elements, the lift element can be elastically deformable transversely to the conveying direction against a deformation force, and the latching area of the lift element is then pressed against the blocking elements by the deformation force.
  • the lift element can have one or more slots, which run essentially along the conveying direction.
  • the first latching area it is also possible to design the first latching area as an elastic spring tongue, so that the lift element does not have to be deformable as a whole.
  • the distance of the blocking elements determines the size of the steps by which a movement of the lifting element relative to the housing is prevented stepwise against the conveying direction. As described above, this distance may correspond to the thickness of a single tablet or a plurality of tablets, or it may correspond to only a fraction of the thickness of a typical tablet. In this case, the interaction of the latching portion of the lift element with the locking elements may be configured similarly as in a cable tie.
  • the first latching region of the lift element can be guided through one or more slots extending essentially along the conveying direction in the conveying element.
  • the first latching portion of the lift member then extends through the slot or slots to cooperate with the blockage sheds of the housing. In this way, the conveying element with respect to the housing and the lift element can be fix in a direction transverse to the direction of conveyance.
  • the conveying element preferably has two slots which are arranged diametrically opposite one another.
  • the lifting element is preferably guided in the conveying element along the conveying direction and has two or more pairs of diametrically opposed latching areas in the form of locking cams, which extend radially through the two slots.
  • the lift element in this case is preferably formed like a stop, i. it has a top wall for supporting the tablet stack and a preferably cylindrical or frusto-conical sidewall region, from which locking cams protrude radially.
  • the lift element tapers somewhat in the direction of the opening so as to ensure a trouble-free movement relative to the conveyor element in the intended direction in a particularly reliable manner.
  • the lift element cooperates with the conveying element via a second ratchet connection, which permits movement of the conveying element relative to the lifting element against the conveying direction and causes the lifting element to be entrained by the conveying element in the conveying direction during movement of the conveying element relative to the housing.
  • the second ratchet connection causes the lift element to be movable in the conveying direction relative to the conveying element, while it is gradually prevented from moving in the opposite direction.
  • the conveyor element for example, in turn, a plurality of locking elements, for example in the form of Sperrschupp ⁇ n or locking cam, which interact with at least a second latching portion of the lift element such that they allow movement of the conveyor element relative to the lifting element against the conveying direction and hinder in the conveying direction ,
  • the lift element is elastically deformable transversely to the conveying direction against a deformation force, so as to press the second latching area by the deformation force elastically against the locking elements of the conveying element.
  • slots can be provided in the lift element, or the already mentioned slots, which allow the deformation for the first catch area, can also serve to deform the spring allow second rest area.
  • the distance of the blocking elements of the conveying element applies above to the distance of the locking elements of the housing said accordingly.
  • several here in Fördemchtung successively arranged second latching areas may be provided.
  • the second latching region can be formed by a proximal edge of the lift element (pointing away from the removal opening), and the blocking elements can be formed on the inside of the conveying element.
  • the lift element can be guided relative to the housing in a control curve, which allows due to their shape that the lift element is taken in the conveying direction by the conveyor element, while the control cam prevents movement of the lift element relative to the housing against the conveying direction stepwise.
  • the control cam may have a jagged shape, with first sections which extend at a shallow angle to the conveying direction, and with second sections, which run essentially transversely to the conveying direction.
  • the lift element is provided with a control pin, which is guided in the control cam. When the control pin is in the first sections, the lift element can be displaced in the conveying direction and reaches with the pin in the region of the second sections. Once the control pin is in the second section, it can not be moved back against the Fördemchtung due to the direction of the second section.
  • the fabrication of the embodiment which includes a cam is relatively expensive compared to other embodiments of the present invention.
  • the conveying element is made of a moisture-absorbing (hygroscopic) plastic material, as is known from the prior art, or an inner wall of the housing may be provided with such a material.
  • the lift element can have a receiving area for a drying agent.
  • the lid may also include a desiccant.
  • the latter is provided preferably at least partially also made of a moisture-absorbing plastic material. This applies in any case for the wall portions of the lid, which are located within the dispenser.
  • the holding means may comprise a plurality of first spring tongues (elastic "folding shed"), which are arranged on an inner surface of the housing and are suitable, in such a way with the lower end of the tablet stack opposite the removal opening or with a lift element carrying the tablet stack to cooperate, that they allow a movement of the tablet stack or the lifting element relative to the housing in the direction of the removal opening and obstruct a movement counter to the conveying direction.
  • first spring tongues elastic "folding shed”
  • the holding means may comprise a plurality of second spring tongues / folding shed, which are arranged on the conveyor element and which are adapted to cooperate with the Entddlingöffhung opposite end of the tablet stack or the lift element so that they move the conveyor element relative to the stack of tablets or allow the lifting element against the conveying direction and take in the bottom of the tab or the lifting element in a movement of the conveying element in the conveying direction.
  • the conveying element is essentially tubular, that is to say designed as a hollow cylinder.
  • the conveying element receives the stack of tablets in its interior.
  • the side wall (shell wall) of the conveying element can be arbitrarily broken to save material, as long as the stability of the conveying element is ensured.
  • the conveying element preferably has a distal delivery area, which is suitable for limiting the stack of tablets in the conveying direction.
  • the conveying element preferably has a corresponding top wall, which closes off the conveying element in the distal direction.
  • a removal opening is preferably formed laterally such that a foremost tablet of the tablet stack received in the dispensing area can be removed from the dispensing area transversely to the conveying direction by the removal opening.
  • the conveyor element from the feed position in the removal position, ie in the conveying direction, spring-loaded in this way, a one-hand operation is facilitated.
  • the conveyor element is preferably arranged in this case so that it can be pressed with the thumb against the spring force in the housing. When you release the conveyor element is pressed back into the dispensing position due to the spring force.
  • the spring element can in particular be arranged between a proximal end region of the conveying element and a bottom region of the housing.
  • the spring element comprises a first ring, a second ring and a plurality of elastic webs which connect the rings and extend substantially within a peripheral surface inclined to the Förde ⁇ ichtung.
  • the spring element and the lift element can be manufactured in one piece with each other in a simple manner and connected to each other via predetermined breaking points.
  • the predetermined breaking points are then dimensioned such that they either break during the assembly of the dispensing device, but at the latest when the conveying element is actuated for the first time.
  • a common one-piece production of spring element and lift element advantageously lowers the manufacturing and assembly costs.
  • a spring force can also be generated by the housing itself.
  • the housing may have a fold-like region which is expandable with respect to the conveying direction against a spring force. The bellows-like region divides the housing into a distal section adjacent to the withdrawal opening and a proximal section remote from the removal opening.
  • the conveying element is then inserted into the proximal section such that the proximal section is entrained against the conveying direction when the conveying element moves in relation to the distal section, thereby expanding the bellows-like region. As a result, this area generates a restoring spring force on the conveyor element.
  • the tablets are basically stacked in the dispenser and fixed in this position. Mechanical damage to the tablets are thus avoided. This is especially important when it comes to accurate dosages. For example, if a tablet that serves the health of a person, mechanically damaged, a patient would take by taking the mechanically damaged tablet too low a dose. Therefore, this embodiment is mainly used for the storage of drugs that are administered in tablet form.
  • the stop may for example be formed annularly within the conveying element. This stop is arranged so that this immediately below the
  • Removal prepared tablet is located.
  • the remaining part of the stack of tablets then pushes with its "upper" end against this stop and is so even in his La- held when the tablet above it is removed.
  • the risk of mechanical damage to the tablets is minimized because the tablets are kept below the stop.
  • the elasticity and dimension of the stop is so matched to the tablets that by sufficient pressure one tablet of the tablet stack can pass the stop so as to reach the position from which this tablet can be removed.
  • the conveying element comprises in aranksfor ⁇ i of the invention, two half-shells, which are joined together to form a tube.
  • the two half-shells are preferably connected to one another by positive locking. It is relatively difficult to manufacture a tube with internal blocking scales and the like. This problem is solved by manufacturing two half-shells, which can be made much simpler and thus cheaper.
  • the removal area with top wall and removal opening of the conveyor element is preferably also produced separately and slipped over the two joined half-shells in such a way that the half shells are at least held together by the separately produced removal area.
  • any combinations are possible. For example, e.g. the way in which the spring force is generated, regardless of whether a lift element is present and how this is guided.
  • Fig. 1 is a perspective view of a first embodiment of a
  • Dispensers; 2 shows a side view of the dispenser of Figure 1 in the direction of II - II.
  • FIG 3 shows a central longitudinal section through the dispenser of Figure 1 in the viewing direction II - II.
  • FIG. 4 shows a longitudinal section according to FIG. 3, but with the lid open;
  • Fig. 5 is a perspective view of the dispensing ers of Figure 1 with the lid open.
  • FIG. 6 shows a further perspective view of the dispenser with the lid open
  • Fig. 7 is a perspective sectional view of the housing of the dispenser of Fig. I;
  • FIG. 8 is a perspective view of the inner tube of the dispenser of FIG. 1; FIG.
  • Fig. 9 is a side view of the inner tube in the viewing direction IX - DC of Fig. 5;
  • Fig. 10 is an enlarged perspective view of the lift and the spring element of the dispenser of Fig. 1;
  • Fig. 11 is a further enlarged perspective view of the parts of Fig. 10;
  • FIG. 12 is a side view of the parts of Figure 10 in a viewing direction, which is rotated by 90 ° with respect to the viewing direction IX - IX ..;
  • FIG. 13 shows a central longitudinal section through the parts of FIG. 10 in the direction of view IX - IX;
  • FIG. 14 is a perspective view of a variant of the parts of FIG. 10; FIG.
  • Fig. 15 is another perspective view of the variant of Fig. 14;
  • FIG. 16 shows a central longitudinal section through the variant of FIG. 14 in the direction of view IX-IX;
  • Fig. 17 is a perspective view of the housing of a second embodiment
  • Fig. 18 is a perspective view of the housing of a third embodiment
  • Fig. 19 is a perspective view of the housing of a fourth embodiment
  • Fig. 20 is an enlarged view of a section of an inner tube with Folding scales
  • FIG. 21 shows a central longitudinal section through a dispenser according to a fifth exemplary embodiment, along a sectional plane passing through the locking cams of the lifting element;
  • FIG. 22 is an enlarged detail view of a proximal end portion of FIG. 21;
  • FIG. 23 is a perspective view of the sweeter tube of the dispenser of FIG.
  • Fig. 24 is a perspective view of the end element of the dispenser of
  • FIG. 21 shows a plan view of a lift element
  • FIG. 26 shows a first lateral section through a section of an embodiment of the dispensing device
  • FIGS. 1 to 6 show a first embodiment of a tablet dispenser according to the invention.
  • the dispenser that is to say the dispenser, has a housing 100 in the form of an outer tube 110 with a cover 120 integrally connected thereto via a foil hinge 121.
  • the outer tube 110 has a cylindrical sidewall divided by a V-shaped orientation aid 116 for mounting into a first sidewall region 111 and a second sidewall region 112 of slightly smaller internal diameter.
  • the outer diameter is advantageously correspondingly smaller for the purpose of external, optical orientation aid, as can be seen from FIG.
  • the inner wall of the outer tube thus contains a funnel-shaped downwardly tapering guide for locking cams 302 or the like of a lift element to be used.
  • the outer tube 110 is closed at the bottom by a bottom 113 and connected to this one piece and thus cohesively.
  • an opening aid 114 is formed opposite the foehn hinge 121.
  • the cover 120 of the housing has a short, cylindrical side wall region 123 and an upper cover wall 122.
  • this side wall area is only as high as required in order to be able to seal the removal opening 203 of the conveying element, which protrudes in relation to the housing, in a moisture-proof manner.
  • the height of the lid is at most only slightly higher than the height of the removal opening 203.
  • the height of the side wall 123 is therefore greater than the thickness of a tablet and less than twice the thickness of a tablet. However, this does not apply if the tablets are much thinner compared to the height of the withdrawal opening.
  • an opening aid 124 is also formed on the cover.
  • a first-opening guarantee element can be formed on the cover, which is irreversibly changed or destroyed when the cover is first opened and is thus suitable for indicating the integrity of the dispenser.
  • the lid may also be designed differently than shown here and in particular have a child safety, as known from the prior art in various forms. It can also be designed as a screw cap, etc. However, a screw cap has the disadvantage that two hands are usually required to open the dispenser and close again. It is therefore preferable to use a snap-on lid, which is permanently connected to the dispenser by means of a film hinge and thus can not be lost.
  • a conveying element in the form of an inner tube 200 is arranged, which can be seen particularly well in Figures 3 and 4.
  • the inner tube 200 is open at the bottom. It has a substantially cylindrical side wall 201 on the outside.
  • a removal region 202 which partially covers the tube at the top and a side opening 203 for removing a respective tablet 501 from a received in the inner tube stack of pills 500 releases. It is ensured that there is an upper stop for the foremost tablet 501 independently of the lid, which can be removed. The risk of mechanical damage is thus further reduced.
  • the uppermost tablet can be easily reached from above and pushed out slightly laterally. This is particularly advantageous if the upper tablet is clamped. Otherwise, the inner tube may be completely covered at the top, without fear of major handling disadvantages.
  • the inner tube 200 lies with its open lower end 207 on a spring element 400. It is longitudinally displaceable in the outer tube 110 along the common cylinder axis of the inner and the outer tube in a conveying direction 205 and counter to this conveying direction.
  • the starting position which is also referred to as the dispensing position, is the position shown in FIGS. 3 and 4. In this position, the inner tube 200 protrudes so far beyond the upper edge of the outer tube 110, that the removal opening 203 is laterally freely accessible.
  • the topmost tablet 501 of this stack can be pushed laterally in the delivery position with the lid 120 open by the Entddlingöffi ⁇ ung 203 or u. U. automatically fall out of the removal area when the dispenser is rotated with the Ent Spotifyöffhung 203 down to the horizontal.
  • An uppermost tablet can automatically fall out, in particular, when the annular stop 208 - also called retaining bead - is positioned so that the uppermost tablet 501 is mounted so as to be easily displaceable. This can be achieved, in particular, by leaving a minimal clearance (upwards or downwards) for the uppermost tablet 201 so that on the one hand the uppermost tablet 501 can easily fall out laterally and on the other hand limit possible movements along the longitudinal axis H-II are that mechanical damage is not to be feared. The possibility The ability to use the dispenser with only one hand is better supported in this embodiment.
  • the inner tube can be pushed into the outer tube opposite to the conveying direction 205, the spring element 400 being compressed and exerting a restoring force acting in the conveying direction on the inner tube.
  • the inner tube layssl against this restoring force to a second position, the so-called conveyor position, insert. When the inner tube is released, it automatically returns to the delivery position due to the return force.
  • the hinge 121 of the cover 120 is arranged on the diametrically opposite side of the removal opening 203. Instead, another angle can also be provided therebetween, in particular an arrangement of hinge and removal arranged offset by 90 degrees about the conveying direction. öfmung.
  • a lift element 300 In the inner tube 200, a lift element 300 is guided. The lowest tablet 503 of the tablet stack 500 rests on the lift element 300.
  • the operation of the dispenser is as follows. If, after delivery of the topmost tablet 501, another tablet of the stack 500 is to be removed, the user presses the inner tube 200 against the spring force of the spring element 400 in the conveying position. In this case, the lift element 300 is held on the outer tube 110 such that the stack of tablets 500 remains unchanged relative to the outer tube 110 in its position. The inner tube 200 thus ultimately shifts downwards by the thickness of a tablet relative to the stack of tablets 500 until the top wall of the removal region 202 rests on the now uppermost tablet and prevents further movement of the inner tube against the conveying direction. Now, when the inner tube is released, the spring element 400 pushes the inner tube back into the dispensing position.
  • the lift element is now taken from the inner tube 200 in the conveying direction 205.
  • the entire stack of tablets 500 shifts upwards by the height of one tablet relative to the outer tube.
  • the top one Tablet of the tablet stack 500 is now in turn ready for removal in the removal area 202.
  • FIGS. 7 to 13 show these elements individually.
  • the lift element 300 has a frusto-conical sidewall 301, which is closed at the top with a cover surface 306.
  • the side wall there are two opposite longitudinal slots 305, which make it possible to compress the lift element along a transverse direction which is perpendicular to the connecting line of the slots 305.
  • the locking cams have a sliding surface 303, which is inclined at a shallow angle to the longitudinal axis and whose distance from the central axis increases continuously downwards.
  • the locking cams 302 each have a stop surface 304, the surface normal of which points essentially counter to the conveying direction.
  • the lift element 300 and the spring element 400 are made in common in the present example of an elastic plastic, e.g. Polyethylene (PE), manufactured.
  • PE Polyethylene
  • the lift element 300 is connected via narrow bridges 309 with the spring element 400, which form predetermined breaking points. During assembly, or at the latest on the first actuation of the tablet dispenser, these predetermined breaking points break, and the lifting element is completely independent of the spring element.
  • the spring element consists of a lower ring 401, a thereto along the conveying direction staggered upper ring 402 and a plurality of spring bars 403 (five spring bars in the present example), which connect the two rings and inclined to the longitudinal axis.
  • spring forces 403 produce elastic shearing forces, which push the two rings apart again, and in this way generate a spring force.
  • the spring element can also be designed differently, in particular in another known manner preferably be made of Kunststoffsioff.
  • the inner tube 200 has a plurality of blocking sheds 204 on the inside of its side wall 201.
  • Each of these blocking scales has a sliding surface, which is inclined to the longitudinal axis, so that the inner diameter of the side wall 201 in the region of this sliding surface first each upwardly (in the conveying direction) tapers, then abruptly in the region of an upwardly facing abutment surface - to expand.
  • the lift member can slide up inside the inner tube 200 (in the conveying direction). In this case, it is slightly elastically deformed by the sliding surfaces of the blocking scales 204. As soon as the lower edge 308 of the lifting element 300 has left the region of a sliding surface and has come over the abutment surface, the lifting element widens slightly again.
  • the lower edge 308 of the lifting element abuts against the abutment surface of the relevant blocking block, thereby preventing it from being pushed back.
  • the lift element can thereby move only by the distance of adjacent Sperrscrmppen gradually in the inner tube upwards (in the conveying direction).
  • the inner tube 200 has on opposite sides of the side wall 201 has two longitudinal slots 205 through which locking cams 302 of the lift element are hin pengeschreibt. These locking cams cooperate with blocking sheds 115, which are formed on the inner surface of the side wall of the outer tube 110. These blocking scales form a narrow strip which extends along the longitudinal direction and is slightly recessed into a groove of the side wall.
  • the lift element 300 is longitudinally guided with the locking cams 302 in this groove and is secured against rotation in this way with respect to the outer tube.
  • the orientation aid 116 contributes to the fact that the Rastaocken 302 reach the recessed blocking shed 115.
  • the blocking shed may be configured, for example, annular.
  • the locking cams 302 have a sliding surface 303, which runs obliquely to the longitudinal axis, so that the distance of the sliding surface from the central axis increases towards the bottom.
  • At the lower end of the locking cam stop surfaces 304 are formed, which are directed substantially downwards (counter to the conveying direction).
  • the locking cams 302 slide with the sliding surfaces 303 over the blocking sheds 115.
  • the lifting element is counteracted.
  • Deformation force FR compressed in the transverse direction.
  • the stop surface 304 strikes an oppositely directed stop surface of the blocking shed 115, so that pushing back is prevented
  • the lift element 300 is thus both in relation to the outer tube 110 and against the inner tube 200 only gradually by the distance between two successive blocking sheds 115 and 204 in the conveying direction displaceable and correspondingly blocked stepwise against displacement in the opposite direction. In this way, it is ensured that the lift element 300 remains stationary when the inner tube 200 is pressed into the outer tube 110 with respect to the outer tube, so that the inner tube 200 shifts in relation to the stack of tablets counter to the conveying direction by the thickness of a tablet. It is further ensured that the lift element is taken along by the return movement of the inner tube of this in the conveying direction by the thickness of a tablet.
  • the thickness of a tablet corresponds exactly to this Distance between two successive blocking sheds 115 and 204. In this way, the tablet stack is promoted in each back and forth movement of the inner tube by the thickness .einer tablet in the conveying direction.
  • the blocking sheds may also have a distance corresponding to only an integer fraction of the thickness of a tablet.
  • the locking cam of the lift element slides in the promotion of a tablet over several locksheds away. This makes it possible to use the same dispenser for tablets of different thickness.
  • the lift element can additionally be designed as a holder for a desiccant, as shown in FIGS. 14 to 16.
  • the lift element has an annular receiving region 310, in which a cylindrical tablet or a granulate of a desiccant 311 is received.
  • the desiccant is removed by a holding pad 312 which is e.g. can consist of gas-permeable cardboard held in Aumahme Suite 310.
  • the cover wall 306 of the lift element in this embodiment has a plurality of passage openings 307.
  • the inner tube 201 can be formed from a plastic composite material which itself has moisture-absorbing (hygroscopic) properties, for example a molecular sieve-like material.
  • a plastic material is disclosed, for example, in WO 97/032663.
  • Producing the inner tube from a moisture-absorbing material advantageously has the effect that the interior space is kept homogeneously dry. The tablets are accordingly homogeneously protected from moisture. In addition, since the tablets are kept stacked in position, this will additionally ensure that tablets are not protected differently from moisture with varying degrees of success.
  • Figure 17 shows the housing 100 'of a suitably designed table top dispenser. The same parts are provided below with the same reference numerals as in the first embodiment.
  • the above-described spring element 400 is replaced by a bellows-type region 117 in the region of the side wall of the housing, which subdivides the housing into a distal section and a proximal section 118 adjacent to the bottom 113.
  • the inner tube 200 is configured in a similar manner to the first embodiment.
  • there is again a lift member which, in the same way as in the first embodiment, cooperates with the blocker sheds 115 of the housing and barrier sheds of the inner tube, so that the lift element is thick both in the inner tube and the outer tube a tablet is displaceable in the conveying direction, while it is blocked against displacement against the conveying direction.
  • the inner tube In the dispensing position, the inner tube is in this embodiment with its lower end on the bottom 113 of the outer tube. If now the inner tube is pressed counter to the conveying direction of the delivery position in the conveying position, it pulls the bellows-like portion 117 apart against an elastic restoring force. This elastic restoring force causes, in this embodiment, the inner tube 200 returns to the release position after releasing.
  • this embodiment requires a comparatively complicated production and is therefore less preferable.
  • FIG. 18 A third embodiment is illustrated in Fig. 18, which in turn shows the housing 100 "of a dispenser, where the lifting element is guided on the housing via two diametrically opposite control cams 130 instead of via a ratchet connection
  • the control cam is zigzag-shaped, with sections inclined at approximately 45 ° to the longitudinal axis, and with sections extending transversely to the longitudinal axis, the inner tube being again configured similarly to the first two embodiments.
  • the lifting element remains fixed with its control pins in the transverse sections of the control cam, and during the return movement of the inner tube, it becomes inclined along the inner tube Section taken and passes with the control pin in the next transverse section.
  • the inner tube may be fixed in the proximal housing area in such a way that, during the return movement, a torque is produced on the inner tube and thus on the lift element, which presses the lift element into the transverse sections.
  • the embodiment with control cam can also be realized with a spring element 400 instead of a bellows-like design on the housing.
  • a lift element can be completely eliminated.
  • a plurality of spring tongues (folding shed) 140 are arranged on the inner surface of the side wall of the housing, which protrude inclined in the relaxed position of the inner wall obliquely above (distal) and inside with respect to the longitudinal axis. This is shown in FIG. 19.
  • Bit-like spring tongues 210 are also arranged on the inside of the side wall of the inner tube 200 'and oriented in the same way, as can be seen in the enlarged view of the inner tube 20O 1 in FIG.
  • the tablets of the tablet stack 500 can slide over these spring tongues 140 and 210 in the conveying direction.
  • the further operation of this embodiment corresponds to the operation of the first embodiment: the inner tube is in turn pressed against the spring force of a spring element in the outer tube from the delivery position into the delivery position.
  • the stack of tablets remains stationary relative to the outer tube because of its engagement with the folding shed 130 of the outer tube.
  • you release the inner tube of this is pressed back by the spring element back into the dispensing position and takes it due to the engagement of the folding shells / spring tongues of the inner tube with the stack of tablets with this and thereby overall promotes the stack of tablets up to the thickness of a single tablet.
  • a lifting element can be used, which is formed in the simplest case as a flat, round disc with the diameter of a single tablet and on which the bottom tablet rests. In this case, this lift element acts together with the folding scales / spring tongues instead of the lowermost tablet.
  • a bellows-like region may be formed on the housing as in the second or third embodiment, which acts as a spring element.
  • the inner tube may be formed of a moisture-absorbing plastic material.
  • the outer tube or housing has a fixed bottom 113.
  • the filling therefore necessarily takes place from above through the area of the lid.
  • the inner tube and possibly the lift and the spring element must be introduced from above into the outer tube.
  • aids are necessary to be able to insert the lift or the stack of tablets into the outer tube (eg to press in the locking elements or folding sheds), or these parts can be designed so that the lift or the stack of tablets at least in the heated state can be inserted from above with suitable force application in the outer tube.
  • the filling is simpler if the outer tube is initially open at the bottom and is closed at the lower end only after filling.
  • the outer tube, the lid, and a first-opening indicator e.g., a guarantee band
  • a first-opening indicator e.g., a guarantee band
  • FIGS. 21 to 24 Such an embodiment is illustrated by way of example in FIGS. 21 to 24.
  • the outer tube 110 of the housing 100 "" is in this embodiment open at its proximal end 119 and has in this area on its inner surface, for example, one or two circumferential annular grooves, which are used as locking grooves for a proximal Ab- Final dement (bottom cap) serve 150.
  • the bottom cap 150 which is shown alone in FIG. 24, has a bottom 151 and an outer circumferential short side wall 152.
  • a bellows-like region 153 projects upwards, which ends at its upper (distal) end on an annular ring 154 into which the complementarily configured lower end 207 of the inner tube protrudes.
  • the bellows-like portion 153 in this embodiment replaces the spring member of the first embodiment.
  • a separate spring element can of course also be provided in this embodiment with an open proximal end, or the housing itself can be provided with a bellows-type region, as is the case in the embodiment of FIG.
  • the proximal end element can also be made in one piece with the lift element.
  • the inner tube may be formed integrally with the spring element and separated "be manufactured from the housing. If the closing element integrally connected to the lift element, which is production-technically advantageous, so there is a predetermined breaking point between the proximal end element and the lift element. It can also be a one-piece Production of proximal end element, spring element and be connected to the spring element via a predetermined breaking point associated lift element, so as to achieve manufacturing and / or assembly advantages.
  • the filling takes place from the proximal side.
  • the closing element 150 is pressed into the outer tube and then remains fixed in the outer tube by the connection between annular grooves and webs.
  • the individual elements of the dispenser are preferably made of the following materials by injection molding, but other materials are also possible:
  • inner tube PP, PE or moisture-absorbing composite
  • Figures 25 to 27 show a further particularly preferred embodiment of the lift element 300.
  • plastic locking cams project on both sides of the two ends of a preferably made of spring steel, flat, elastic element 600, as the top view of a lift element in Figure 25th clarified.
  • the two ends are bent downwards towards the outside, as illustrated in FIG.
  • FIG. 26 shows a lateral section through the lift element shown in FIG.
  • the two ends of the preferably made of spring steel element 600 biased against preferably smooth inner wall portions of the outer tube. If there is a first wall region 111 and a second wall region 112 for the reasons stated above, the ends of the flat element 600, which is preferably made of spring steel, bear against the inner wall regions 111, as shown in detail in FIG.
  • the lift element is as described above inside an inner tube 2QO, which is not visible in Figure 26, however.
  • the ends of the preferably spring steel flat element 600 extend through two longitudinal slots of the inner tube. Since the ends of the preferably made of spring steel element 600 are bent down as shown, it is possible without bias despite bias, the lift element in the manner described to move upwards in the direction of Ent fortuneöffhung. However, the lift member 300 does not shift downwardly as the ends cling to the adjacent inner wall portion.
  • FIG. 27 corresponds to the illustration from FIG. 26.
  • a section rotated through 90 ° (rotation about a longitudinal axis) is depicted here.
  • These inner wall regions are also preferably smooth, that is not provided in the manner described above with barrier scales and the like. If the inner tube serving as a conveying element is then pressed from the dispensing position into the conveying position, then the lifting element 300 moves relative to the inner tube in the direction of the removal opening.
  • the flat elements 601 preferably protrude less far laterally than the flat elements 600, as they only have to extend to inner wall portions of the inner tube and not to inner wall portions of the outer tube.
  • the flat element 600 includes right angles with the flat member 601 so as to minimize the risk of interference during use.
  • a larger number of flat elements can be provided, which are then preferably arranged in a star shape.
  • this solution is basically more expensive to manufacture.
  • the ends of which protrude laterally, correspondingly downward-pointing spring tongues can be attached to the lift element, which preferably likewise consist of spring steel.
  • barrier scales can be provided, which have a distance from one another, which is substantially smaller compared to the thickness of tablets provided.
  • the distance between two barrier scales Idein for example, less than 1/3 of the thickness of a tablet located in the dispenser, an approximation to the case of stepless movement and locking of the lift element is achieved.
  • the two elements 600 and 601 need not necessarily be made of steel, if the inner walls are not provided with blocking shed and the like. It is also possible to choose a material with which the same effects described can be achieved. It is especially important that the material behaves sufficiently elastic, so that despite preload movement of the Liftelernents towards the lid or Ent fortuneöfmung is possible. On the other hand, the material is to be selected so that the lift element is able to move in the direction of removal opening relative to the outer or inner tube and the movement in the opposite direction is preferably prevented or at least sufficiently hindered.
  • the shapes of the elements 600 and 601 may vary as long as the desired effects described above are achieved.
  • the conveying element does not need to be tubular as in the examples described above, but may also have another shape which ensures sufficient power transmission from the top to the bottom.
  • the conveyor element at least partially surrounds the stack of tablets, this is not mandatory for the function, and arrangements are also conceivable in which the conveyor element is arranged, for example, only rod-shaped or partially cylindrical on a single side of the tablet stack or only along two opposite sides of the tablet stack.
  • the shape of the housing is readily adaptable to different needs, and the housing in no way needs to have a tubular shape.
  • a different shape than the circular cylindrical basic shape shown above is conceivable, for example a shape with a square inner cross section.
  • a variety of other variants are possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • De-Stacking Of Articles (AREA)
  • Feeding Of Articles To Conveyors (AREA)
  • Closures For Containers (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Warehouses Or Storage Devices (AREA)

Abstract

L'invention concerne un dispositif distributeur permettant une distribution, à séparation individuelle, de comprimés provenant d'une pile de comprimés. Un élément d'acheminement (200) est disposé dans un boîtier (100), de manière à pouvoir se déplacer dans ledit boîtier entre une position de distribution et une position d'avancement. Le dispositif distributeur comprend par ailleurs des moyens d'arrêt, en particulier un élément de levage (300), qui agissent de façon que la pile de comprimés soit maintenue stationnaire par rapport au boîtier, lors d'un déplacement de l'élément d'acheminement de la position de distribution en la position d'avancement, et soit entraînée lors du retour de l'élément d'acheminement en la position de distribution, de cette position en direction de l'ouverture de prélèvement. De cette façon, la pile de comprimés progresse en direction d'avancement, lors d'un mouvement alternatif de l'élément d'acheminement, d'une valeur prédéterminée, en particulier de l'épaisseur d'un comprimé, et les comprimés individuels peuvent être facilement prélevés.
EP08857102A 2007-12-07 2008-11-07 Distributeur de comprimés Withdrawn EP2214981A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08857102A EP2214981A1 (fr) 2007-12-07 2008-11-07 Distributeur de comprimés

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07122586A EP2067718A1 (fr) 2007-12-07 2007-12-07 Distributeur de tablettes
EP08857102A EP2214981A1 (fr) 2007-12-07 2008-11-07 Distributeur de comprimés
PCT/EP2008/065097 WO2009071415A1 (fr) 2007-12-07 2008-11-07 Distributeur de comprimés

Publications (1)

Publication Number Publication Date
EP2214981A1 true EP2214981A1 (fr) 2010-08-11

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Family Applications (2)

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EP07122586A Withdrawn EP2067718A1 (fr) 2007-12-07 2007-12-07 Distributeur de tablettes
EP08857102A Withdrawn EP2214981A1 (fr) 2007-12-07 2008-11-07 Distributeur de comprimés

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07122586A Withdrawn EP2067718A1 (fr) 2007-12-07 2007-12-07 Distributeur de tablettes

Country Status (21)

Country Link
US (1) US20100294791A1 (fr)
EP (2) EP2067718A1 (fr)
JP (1) JP2011506210A (fr)
KR (1) KR20100095545A (fr)
CN (1) CN101888955B (fr)
AR (1) AR069598A1 (fr)
AU (1) AU2008333442B2 (fr)
CA (1) CA2705480A1 (fr)
CO (1) CO6280519A2 (fr)
GT (1) GT201000129A (fr)
IL (1) IL206171A0 (fr)
MA (1) MA31994B1 (fr)
MX (1) MX2010006167A (fr)
MY (1) MY150366A (fr)
NZ (1) NZ585436A (fr)
RU (1) RU2463230C2 (fr)
SA (1) SA08290762B1 (fr)
TN (1) TN2010000205A1 (fr)
TW (1) TW200930635A (fr)
WO (1) WO2009071415A1 (fr)
ZA (1) ZA201003723B (fr)

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Also Published As

Publication number Publication date
JP2011506210A (ja) 2011-03-03
CN101888955B (zh) 2012-01-18
AR069598A1 (es) 2010-02-03
IL206171A0 (en) 2010-12-30
WO2009071415A8 (fr) 2009-11-12
WO2009071415A1 (fr) 2009-06-11
SA08290762B1 (ar) 2012-01-24
TW200930635A (en) 2009-07-16
MA31994B1 (fr) 2011-01-03
AU2008333442A1 (en) 2009-06-11
TN2010000205A1 (en) 2011-11-11
US20100294791A1 (en) 2010-11-25
MX2010006167A (es) 2010-06-23
CN101888955A (zh) 2010-11-17
ZA201003723B (en) 2011-02-23
MY150366A (en) 2013-12-31
RU2010128069A (ru) 2012-01-27
CA2705480A1 (fr) 2009-06-11
GT201000129A (es) 2012-04-16
RU2463230C2 (ru) 2012-10-10
NZ585436A (en) 2012-08-31
AU2008333442B2 (en) 2011-12-15
CO6280519A2 (es) 2011-05-20
EP2067718A1 (fr) 2009-06-10
KR20100095545A (ko) 2010-08-31

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