WO1994004118A1 - Soft gelatin medicament capsules with gripping construction - Google Patents

Soft gelatin medicament capsules with gripping construction Download PDF

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Publication number
WO1994004118A1
WO1994004118A1 PCT/US1992/009222 US9209222W WO9404118A1 WO 1994004118 A1 WO1994004118 A1 WO 1994004118A1 US 9209222 W US9209222 W US 9209222W WO 9404118 A1 WO9404118 A1 WO 9404118A1
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WO
WIPO (PCT)
Prior art keywords
capsule
shell
tab
knurled texture
knurled
Prior art date
Application number
PCT/US1992/009222
Other languages
French (fr)
Inventor
Gregory A. Schurig
Frank S. S. Morton
Norman S. Stroud
Original Assignee
R.P. Scherer Corporation
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 R.P. Scherer Corporation filed Critical R.P. Scherer Corporation
Priority to DE69222542T priority Critical patent/DE69222542T2/en
Priority to AU30562/92A priority patent/AU673984B2/en
Priority to BR9207157A priority patent/BR9207157A/en
Priority to JP5509270A priority patent/JPH08502663A/en
Priority to EP92924140A priority patent/EP0655902B1/en
Publication of WO1994004118A1 publication Critical patent/WO1994004118A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A61J1/06—Ampoules or carpules
    • A61J1/067—Flexible ampoules, the contents of which are expelled by squeezing

Definitions

  • the present invention relates generally to disposable soft gelatin medicament capsules. More particularly, the present invention relates to a novel and advantageous gripping construction and composition for soft gelatin medicament capsules.
  • Soft gelatin capsules are used for delivery of medicaments, including medicinal preparations, topical lotions, cosmetics and the like, to external body surfaces. Such capsules are also used for delivery of medicaments to tissues within body orifices. Delivery of the medicament, which is stored within the capsule, is accomplished by removing a portion of the capsule shell (typically by twisting or tearing off a tab), and then squeezing the capsule shell, thereby forcing the medicament from the capsule.
  • Several patents disclosing representative soft gelatin capsules are U.S. Patent No. 2,134,489 issued to Scherer, U.S. Patent No. 2,334,600 issued to Boysen, U.S. Patent No. 2,397,051 issued to Scherer, U.S. Patent No. 4,278,633 issued to Fujii, and U.S. Patent No. 5,063,057 issued to Spellman et al.
  • Soft gelatin capsules are often small in size since only a small quantity of medicament is stored therein. Furthermore, soft gelatin capsules are typically composed largely of gelatin or gelatinous materials. Such materials tend to have a smooth exterior surface with a low coefficient of static friction. Because of the capsule's small size and slippery surface, the user often has difficulty in performing the tasks required to complete the delivery of the medicament, that is, twisting or tearing off of the tab and compressing the capsule shell. This difficulty is even more compounded if the user's hands, or the capsule, are wet or oily, for example, due to bodily excretion or lubrication. Heretofore, a soft gelatin medicament capsule overcoming these difficulties has eluded the art.
  • a capsule which comprises a hollow shell suitable for encapsulating a medicament.
  • the shell has an exterior surface which is provided with a knurled texture region of sufficient area so as to enhance manipulation of the said capsule.
  • the capsule further includes a removable tab integrally formed with the shell to seal the capsule. The medicament is expelled from the shell upon removal of the said tab and application of pressure to the shell. Since the shell, and preferably also the tab, have knurled surfaces, the difficulties of use associated with prior art capsules is largely eliminated.
  • the shell is formed as an elongated body having top and bottom flattened portions, with the knurled texture region applied to both the top and bottom flattened portions.
  • a capsule is provided which is suitable for insertion into an orifice, such as the rectum.
  • the shell comprises an elongated neck portion and a bulb portion, with the knurled texture region applied to the bulb portion.
  • the removable tab may be provided with a knurled texture surface.
  • starch or starch derivatives are added to the base gelatin composition during manufacture. This addition increases the coefficient of friction on the exterior surface of the capsule shell and tab and thus further improve the ease of handling and manipulation of the capsule.
  • a principal object of the present invention is to provide a soft gelatin capsule which has improved gripping and handling characteristics to facilitate delivery of the encapsulated medicament to an exterior body surface.
  • a further object of the present invention to provide a soft gelatin capsule suitable for insertion into a body orifice which has improved gripping and handling characteristics, thereby facilitating medicament delivery to internal tissues.
  • Yet another object of the invention is provide a soft gelatin capsule which permits easier removal of the tab and expulsion of the medicament from the capsule.
  • FIG. 1 is a perspective view of a capsule according to the preferred embodiment of the present invention, showing a knurled texture applied to the shell and tab portions of the capsule to improve gripping and handling of the capsule;
  • FIG. 2 is a top view of the capsule of FIG. 1 showing the top flattened portion of the shell having a knurled texture applied to the exterior surface thereof;
  • FIG. 3 is a side elevational view of the capsule of FIGS. 1 and 2;
  • FIG. 4 is a cross-sectional view of the capsule of FIGS. 1 - 3;
  • FIG. 5 is a perspective view of a capsule according to an alternative embodiment of the invention, showing a knurled texture applied to the bulb and tab portions to improve gripping and handling of the capsule.
  • FIGS. 1 through 3 a presently preferred embodiment of the invention is shown in perspective, top, and side elevational views, respectively.
  • the embodiment of FIGS. 1 - 3 is particularly suitable for delivery of medicaments to an exterior bodily surface such as the skin.
  • the embodiment of FIG. 5 is particularly suitable as a capsule for delivery of medicaments to tissues within a body orifice.
  • the capsule 10 includes a hollow shell 12 which encapsulates the medicament, for example, a hemorrhoidal preparation.
  • the capsule 10 further includes a removable tab 14 integrally formed with the shell 12 to seal the capsule 10.
  • the tab 14 is removed by gripping the shell 12 and twisting off the tab 14.
  • the shell 12 has an exterior surface 16, a portion of which is provided with a knurled texture region 18 to enhance the gripping and manipulation of the capsule 10.
  • the knurled texture region 18 is chosen to be of sufficient surface area to increase the ease of handling the capsule 10 and the removal of the tab 14. With smaller size capsules, it may be preferable to apply a knurled texture to a larger percentage of the surface area of the shell 12 than is illustrated in FIGS 1 - 3.
  • the shell 12 is shown as including top and bottom flattened portions 20 and 22.
  • the flattened portions 20 and 22 provide a larger and flatter surface for the user's fingers then a rounded surface when pressure is applied to the shell 12 to force out the medicament.
  • a capsule with the knurled texture region 18 can be provided without the flattened portions if desired.
  • the knurled texture region 18 of FIGS. 1 - 3 is shown as comprising a plurality of raised ribs 24 encircling the rear portion of the shell 12. Since both squeezing forces and forces along the central axis 26 in the direction of the tab 14 are required to expel the medicament from the capsule 10, it is preferable that the ribs 24 are applied to the exterior surface 16 of the shell 12 in a transverse orientation relative to the central axis 26. Since the thumb and forefinger are placed against the top and bottom flattened portions 20 and 22 during the squeezing of the shell 12, it is preferable to provide the knurled texture region on both the top and bottom portions 20 and 22.
  • the removable tab 14 of the capsule 10 is also shown as having a knurled texture region 28.
  • the region 28 has a plurality of raised ribs 30 which facilitate the gripping of the tab 14 and the tearing or twisting of the tab 14 to open the capsule.
  • Raised rib structures applied to exterior surface 16 of the shell 12, are the preferred gripping construction for the knurled texture region 18.
  • the raised ribs 24 and 30 or other knurled texture is imparted to the gelatin ribbon prior to the manufacture and filling of the capsule.
  • FIG. 4 the capsule 10 of FIGS. 1 - 3 is shown in vertical cross-section in a plane passing through the central axis 26 (FIG. 2). It can be seen from FIG. 4 that when the tab 14 is twisted or torn from the shell 12, an aperture 32 is formed through which the medicament 34 is expelled from the capsule.
  • the capsule 10 includes a shell 40 and a removable tab 42.
  • the shell 40 includes a slender neck portion 44 and a bulb portion 46. Knurled textures, shown as raised ribs 48 and 50, are applied to the bulb portion 46 and tab 42, respectively. Once the tab 42 is removed from the neck portion 44 of the shell, the neck is ready for insertion into an orifice for delivery of the medicament to the tissue therein.
  • the ribs 48 encircle the bulb portion 46 and are oriented transverse to the central axis 52 of the shell 40.
  • the knurled texture regions of the bulb 46 and tab 42 enhance the gripping and manipulation of the capsule 10.
  • gelatin capsules tends to be very smooth and slippery.
  • addition of a starch or starch derivative to the gelatin base during manufacture of the capsule has been found to produce drier, more tactile, and less slippery characteristics to the capsule surface.
  • Capsules made with 0.1% to 30% by weight starch or starch derivatives, and preferably 5% to 20% by weight starch or starch derivatives, are suitable for this purpose.
  • Suitable starch derivatives include high amylose starch, oxidized starch, esterified starch, acid-thinned starch, etherified starch, hydrolyzed starch, hydrolyzed and hydrogenated starch, and enzyme-treated starch.
  • Other polysaccharide thickening agents in the range of 0.1% to 15% and preferably in the range of 2% to 10% by weight, may be incorporated into the capsule composition to modify the surface of the capsule.
  • Suitable thickeners include agar, acacia, alginates, carrageenans, gellan, guar, karaya, locust bean gum, pectin, pullulan, tragacanth, and xanthan.
  • Miscellaneous thickening agents in the range of 0.1% to 20%, and preferably 5% to 15% by weight, may be used. They include polyvinylpyrrolidone, polystyrene sulphonate, dcxtran sulphate, chitosan derivatives, cellulose, cellulose derivatives, bentonite and diatomaceous earths. Miscellaneous gelatins in the amount of 0.1% to 50%, and preferably 5% to 40% Jby weight, may be incorporated into the capsule composition. They include hydrolysed gelatin, acylated gelatin and fish gelatin.
  • plasticizer in the capsule shell may be modified by the use of one or more of the following materials, in the range of 2% to 40%, and preferably 5% to 30% by weight: polyglycerol, maltitol, and hydrogenated starch hydrolysate.
  • Preferable materials for the capsule 10 according to the present invention include high-amylose starch, starch, hydrolysed gelatin, maltitol and hydrogenated starch hydrolysate.
  • a preferable composition for a dry (anhydrous) capsule shell 12 is: acylated gelatin 49.6% by weight; hydrolysed gelatin 5.5% high amylose starch 4.8% glycerol 26.1% hydrogenated starch 14.0% hydrolysate
  • Capsules according to the present invention may be made by conventional methods for producing soft gelatin capsules, e.g., the rotary die process, which are well known to those of skill in the art.
  • the die used to form the capsules is simply conformed to the desired capsule shape.
  • the capsule is advantageously gripped by the knurled portion(s) while the tab is twisted or torn off, thus exposing the internal contents of the capsule to the exterior.
  • the flexible capsule walls may then be squeezed, once again advantageously by the knurled region(s), to force out the contents of the capsule.
  • the contents may be squeezed onto the skin, for example.
  • the elongated neck may be inserted into the bodily cavity or orifice of interest, such as the rectum, and the contents then squeezed into the orifice.

Abstract

Knurled surfaces such as raised ribs (24, 30) are provided on the shell (12) of a soft gelatin capsule (10) in order to enhance gripping and manipulation of the capsule (10). The capsule (10) has a removable tab (14) at one end thereof which may also be provided with a knurled surface (30). One embodiment of the invention is a capsule (10) used for delivery of medicaments to an external body surface. An alternative embodiment of the capsule (10) is disclosed for insertion into a body orifice. The composition of the capsule (10) includes a starch or starch derivative which gives the capsule (10) a drier feel and increases the coefficient of friction of the surface of the shell (12) further improving the capsule's handling characteristics.

Description

SOFT GELATIN MEDICAMENT CAPSULES WITH GRIPPING CONSTRUCTION
BACKGROUND OF THE INVENTION
A. Field of the Invention The present invention relates generally to disposable soft gelatin medicament capsules. More particularly, the present invention relates to a novel and advantageous gripping construction and composition for soft gelatin medicament capsules.
B. Background Art Soft gelatin capsules are used for delivery of medicaments, including medicinal preparations, topical lotions, cosmetics and the like, to external body surfaces. Such capsules are also used for delivery of medicaments to tissues within body orifices. Delivery of the medicament, which is stored within the capsule, is accomplished by removing a portion of the capsule shell (typically by twisting or tearing off a tab), and then squeezing the capsule shell, thereby forcing the medicament from the capsule. Several patents disclosing representative soft gelatin capsules are U.S. Patent No. 2,134,489 issued to Scherer, U.S. Patent No. 2,334,600 issued to Boysen, U.S. Patent No. 2,397,051 issued to Scherer, U.S. Patent No. 4,278,633 issued to Fujii, and U.S. Patent No. 5,063,057 issued to Spellman et al.
Soft gelatin capsules are often small in size since only a small quantity of medicament is stored therein. Furthermore, soft gelatin capsules are typically composed largely of gelatin or gelatinous materials. Such materials tend to have a smooth exterior surface with a low coefficient of static friction. Because of the capsule's small size and slippery surface, the user often has difficulty in performing the tasks required to complete the delivery of the medicament, that is, twisting or tearing off of the tab and compressing the capsule shell. This difficulty is even more compounded if the user's hands, or the capsule, are wet or oily, for example, due to bodily excretion or lubrication. Heretofore, a soft gelatin medicament capsule overcoming these difficulties has eluded the art. SUMMARY OF THE INVENTION
A capsule is provided which comprises a hollow shell suitable for encapsulating a medicament. The shell has an exterior surface which is provided with a knurled texture region of sufficient area so as to enhance manipulation of the said capsule. The capsule further includes a removable tab integrally formed with the shell to seal the capsule. The medicament is expelled from the shell upon removal of the said tab and application of pressure to the shell. Since the shell, and preferably also the tab, have knurled surfaces, the difficulties of use associated with prior art capsules is largely eliminated. In one embodiment of the invention, the shell is formed as an elongated body having top and bottom flattened portions, with the knurled texture region applied to both the top and bottom flattened portions. In an alternative embodiment of the invention, a capsule is provided which is suitable for insertion into an orifice, such as the rectum. In this alternative embodiment, the shell comprises an elongated neck portion and a bulb portion, with the knurled texture region applied to the bulb portion. In both embodiments, the removable tab may be provided with a knurled texture surface.
In yet another aspect of the invention, starch or starch derivatives are added to the base gelatin composition during manufacture. This addition increases the coefficient of friction on the exterior surface of the capsule shell and tab and thus further improve the ease of handling and manipulation of the capsule.
Accordingly, a principal object of the present invention is to provide a soft gelatin capsule which has improved gripping and handling characteristics to facilitate delivery of the encapsulated medicament to an exterior body surface.
A further object of the present invention to provide a soft gelatin capsule suitable for insertion into a body orifice which has improved gripping and handling characteristics, thereby facilitating medicament delivery to internal tissues.
Yet another object of the invention is provide a soft gelatin capsule which permits easier removal of the tab and expulsion of the medicament from the capsule. Further objects, advantages, and features of the invention will become apparent from the following summary of the invention and detailed description of preferred embodiments.
BRIEF DESCRIPTION OF THE DRAWING
There is shown in the drawing presently preferred embodiments of the present invention, wherein like numerals in the various views refer to like elements and wherein: FIG. 1 is a perspective view of a capsule according to the preferred embodiment of the present invention, showing a knurled texture applied to the shell and tab portions of the capsule to improve gripping and handling of the capsule;
FIG. 2 is a top view of the capsule of FIG. 1 showing the top flattened portion of the shell having a knurled texture applied to the exterior surface thereof;
FIG. 3 is a side elevational view of the capsule of FIGS. 1 and 2;
FIG. 4 is a cross-sectional view of the capsule of FIGS. 1 - 3; and
FIG. 5 is a perspective view of a capsule according to an alternative embodiment of the invention, showing a knurled texture applied to the bulb and tab portions to improve gripping and handling of the capsule.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring now to FIGS. 1 through 3, a presently preferred embodiment of the invention is shown in perspective, top, and side elevational views, respectively. The embodiment of FIGS. 1 - 3 is particularly suitable for delivery of medicaments to an exterior bodily surface such as the skin. The embodiment of FIG. 5 is particularly suitable as a capsule for delivery of medicaments to tissues within a body orifice.
Referring now in particular to FIG. 1, the capsule 10 according to a preferred embodiment of the invention. The capsule 10 includes a hollow shell 12 which encapsulates the medicament, for example, a hemorrhoidal preparation.
The capsule 10 further includes a removable tab 14 integrally formed with the shell 12 to seal the capsule 10. The tab 14 is removed by gripping the shell 12 and twisting off the tab 14.
The shell 12 has an exterior surface 16, a portion of which is provided with a knurled texture region 18 to enhance the gripping and manipulation of the capsule 10. The knurled texture region 18 is chosen to be of sufficient surface area to increase the ease of handling the capsule 10 and the removal of the tab 14. With smaller size capsules, it may be preferable to apply a knurled texture to a larger percentage of the surface area of the shell 12 than is illustrated in FIGS 1 - 3.
In the embodiment of FIGS. 1 - 3, the shell 12 is shown as including top and bottom flattened portions 20 and 22. The flattened portions 20 and 22 provide a larger and flatter surface for the user's fingers then a rounded surface when pressure is applied to the shell 12 to force out the medicament. Of course, a capsule with the knurled texture region 18 can be provided without the flattened portions if desired.
The knurled texture region 18 of FIGS. 1 - 3 is shown as comprising a plurality of raised ribs 24 encircling the rear portion of the shell 12. Since both squeezing forces and forces along the central axis 26 in the direction of the tab 14 are required to expel the medicament from the capsule 10, it is preferable that the ribs 24 are applied to the exterior surface 16 of the shell 12 in a transverse orientation relative to the central axis 26. Since the thumb and forefinger are placed against the top and bottom flattened portions 20 and 22 during the squeezing of the shell 12, it is preferable to provide the knurled texture region on both the top and bottom portions 20 and 22.
The removable tab 14 of the capsule 10 is also shown as having a knurled texture region 28. The region 28 has a plurality of raised ribs 30 which facilitate the gripping of the tab 14 and the tearing or twisting of the tab 14 to open the capsule.
Raised rib structures, applied to exterior surface 16 of the shell 12, are the preferred gripping construction for the knurled texture region 18. The raised ribs 24 and 30 or other knurled texture is imparted to the gelatin ribbon prior to the manufacture and filling of the capsule.
Referring now to FIG. 4, the capsule 10 of FIGS. 1 - 3 is shown in vertical cross-section in a plane passing through the central axis 26 (FIG. 2). It can be seen from FIG. 4 that when the tab 14 is twisted or torn from the shell 12, an aperture 32 is formed through which the medicament 34 is expelled from the capsule.
Referring now to FIG. 5, an alternative embodiment of the capsule 10 according to the present invention is shown in perspective view. The capsule 10 includes a shell 40 and a removable tab 42. The shell 40 includes a slender neck portion 44 and a bulb portion 46. Knurled textures, shown as raised ribs 48 and 50, are applied to the bulb portion 46 and tab 42, respectively. Once the tab 42 is removed from the neck portion 44 of the shell, the neck is ready for insertion into an orifice for delivery of the medicament to the tissue therein. In the embodiment of FIG. 5, the ribs 48 encircle the bulb portion 46 and are oriented transverse to the central axis 52 of the shell 40. As with the embodiment of FIGS. 1 - 4, the knurled texture regions of the bulb 46 and tab 42 enhance the gripping and manipulation of the capsule 10.
As noted previously, the exterior surface of gelatin capsules tends to be very smooth and slippery. However, the addition of a starch or starch derivative to the gelatin base during manufacture of the capsule has been found to produce drier, more tactile, and less slippery characteristics to the capsule surface.
Capsules made with 0.1% to 30% by weight starch or starch derivatives, and preferably 5% to 20% by weight starch or starch derivatives, are suitable for this purpose. Suitable starch derivatives include high amylose starch, oxidized starch, esterified starch, acid-thinned starch, etherified starch, hydrolyzed starch, hydrolyzed and hydrogenated starch, and enzyme-treated starch. Other polysaccharide thickening agents in the range of 0.1% to 15% and preferably in the range of 2% to 10% by weight, may be incorporated into the capsule composition to modify the surface of the capsule. Suitable thickeners include agar, acacia, alginates, carrageenans, gellan, guar, karaya, locust bean gum, pectin, pullulan, tragacanth, and xanthan.
Miscellaneous thickening agents in the range of 0.1% to 20%, and preferably 5% to 15% by weight, may be used. They include polyvinylpyrrolidone, polystyrene sulphonate, dcxtran sulphate, chitosan derivatives, cellulose, cellulose derivatives, bentonite and diatomaceous earths. Miscellaneous gelatins in the amount of 0.1% to 50%, and preferably 5% to 40% Jby weight, may be incorporated into the capsule composition. They include hydrolysed gelatin, acylated gelatin and fish gelatin.
In addition, the plasticizer in the capsule shell may be modified by the use of one or more of the following materials, in the range of 2% to 40%, and preferably 5% to 30% by weight: polyglycerol, maltitol, and hydrogenated starch hydrolysate.
Preferable materials for the capsule 10 according to the present invention include high-amylose starch, starch, hydrolysed gelatin, maltitol and hydrogenated starch hydrolysate. A preferable composition for a dry (anhydrous) capsule shell 12 is: acylated gelatin 49.6% by weight; hydrolysed gelatin 5.5% high amylose starch 4.8% glycerol 26.1% hydrogenated starch 14.0% hydrolysate
Capsules according to the present invention may be made by conventional methods for producing soft gelatin capsules, e.g., the rotary die process, which are well known to those of skill in the art. The die used to form the capsules is simply conformed to the desired capsule shape.
Use of the inventive capsules is also straightforward. The capsule is advantageously gripped by the knurled portion(s) while the tab is twisted or torn off, thus exposing the internal contents of the capsule to the exterior. The flexible capsule walls may then be squeezed, once again advantageously by the knurled region(s), to force out the contents of the capsule. In the case of medicaments to be applied to the exterior of the body, the contents may be squeezed onto the skin, for example. In the case of medicaments for internal applications, such as hemorrhoidal preparations, the elongated neck may be inserted into the bodily cavity or orifice of interest, such as the rectum, and the contents then squeezed into the orifice.
It will be appreciated that variations may be made to the preferred and alternative embodiments disclosed herein without departure from the true spirit and scope of the present invention. This true spirit and scope is defined by the appended claims, interpreted in light of the foregoing specification.

Claims

WE CLAIM:
1. A capsule comprising: a flexible, hollow shell suitable for encapsulating a medicament; said shell having an exterior surface provided with a knurled texture region of sufficient area so as to enhance manipulation of said capsule; and a removable tab integrally formed with said shell, whereby said medicament is expelled from said capsule upon removal of said tab and application of pressure to said shell. 2. The capsule as claimed in claim 1 wherein said capsule further comprises a medicament encapsulated within said shell.
3. The capsule as claimed in claim 2 wherein said medicament comprises a hemorrhoidal treatment.
4. The capsule as claimed in claim 1 wherein said shell comprises an elongate body having top and bottom flattened portions and wherein said knurled texture region is applied to both said top and bottom flattened portions thereby enhancing manipulation of said shell.
5. The capsule as claimed in claim 4 wherein said knurled texture region comprises at least one rib applied to said exterior surface of said shell. 6. The capsule as claimed in claim 4 wherein said elongate body defines a central axis, and wherein said knurled texture region comprises at least one rib applied to said upper and said lower flattened portions in an orientation transverse to said central axis.
7. The capsule as claimed in claim 1 wherein said tab has a knurled texture surface to thereby enhance manipulation of said tab.
8. The capsule as claimed in claim 7 wherein said knurled texture surface of said tab comprises at least one rib.
9. The capsule as claimed in claim 1 wherein said shell further comprises an elongate neck portion to thereby enhance insertion of said capsule into an orifice.
10. The capsule as claimed in claim 9 wherein said shell further comprises a bulb portion interconnected to said neck portion, said knurled texture region applied to said bulb portion.
Figure imgf000012_0001
l l. The capsule as claimed in claim 10 wherein said neck portion defines a central axis and said knurled texture region comprises at least one rib applied to said bulb portion in an orientation transverse to said central axis.
12. The capsule as claimed in claim 11 wherein said knurled texture region comprises a plurality of ribs, each of said ribs encircling said bowl portion in an orientation transverse to said central axis.
13. The capsule as claimed in claim 10 wherein said tab has a knurled texture surface to thereby enhance manipulation of said tab.
14. The capsule as claimed in claim 1 wherein said shell further comprises gelatin and a starch or starch derivative in the amount of about 0.1% to about
30% by weight.
PCT/US1992/009222 1992-08-18 1992-10-22 Soft gelatin medicament capsules with gripping construction WO1994004118A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE69222542T DE69222542T2 (en) 1992-08-18 1992-10-22 SOFT GEL CAPSULE FOR MEDICINAL PRODUCTS WITH RETAINING DEVICE
AU30562/92A AU673984B2 (en) 1992-08-18 1992-10-22 Soft gelatin medicament capsules with gripping construction
BR9207157A BR9207157A (en) 1992-08-18 1992-10-22 Capsule
JP5509270A JPH08502663A (en) 1992-08-18 1992-10-22 Soft gelatin drug capsule with picking structure
EP92924140A EP0655902B1 (en) 1992-08-18 1992-10-22 Soft gelatin medicament capsules with gripping construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93159392A 1992-08-18 1992-08-18
US931,593 1992-08-18

Publications (1)

Publication Number Publication Date
WO1994004118A1 true WO1994004118A1 (en) 1994-03-03

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Family Applications (1)

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PCT/US1992/009222 WO1994004118A1 (en) 1992-08-18 1992-10-22 Soft gelatin medicament capsules with gripping construction

Country Status (13)

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US (2) US5380534A (en)
EP (2) EP0743057A2 (en)
JP (1) JPH08502663A (en)
AT (1) ATE158714T1 (en)
AU (1) AU673984B2 (en)
BR (1) BR9207157A (en)
CA (1) CA2142859C (en)
DE (1) DE69222542T2 (en)
ES (1) ES2109376T3 (en)
NZ (1) NZ244796A (en)
TN (1) TNSN92095A1 (en)
WO (1) WO1994004118A1 (en)
ZA (1) ZA928259B (en)

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US5380534A (en) 1995-01-10
NZ244796A (en) 1995-05-26
CA2142859A1 (en) 1994-03-03
ATE158714T1 (en) 1997-10-15
DE69222542D1 (en) 1997-11-06
JPH08502663A (en) 1996-03-26
EP0743057A3 (en) 1996-12-04
EP0655902A1 (en) 1995-06-07
EP0743057A2 (en) 1996-11-20
DE69222542T2 (en) 1998-02-05
CA2142859C (en) 1999-03-23
AU3056292A (en) 1994-03-15
US5484598A (en) 1996-01-16
ES2109376T3 (en) 1998-01-16
ZA928259B (en) 1993-06-21
EP0655902B1 (en) 1997-10-01
TNSN92095A1 (en) 1993-06-08
AU673984B2 (en) 1996-12-05
BR9207157A (en) 1995-07-11

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