EP0639405B1 - Dispositif de support et de protection d'un élément tubulaire de très faible diamètre, notamment du genre micropipette - Google Patents
Dispositif de support et de protection d'un élément tubulaire de très faible diamètre, notamment du genre micropipette Download PDFInfo
- Publication number
- EP0639405B1 EP0639405B1 EP94401870A EP94401870A EP0639405B1 EP 0639405 B1 EP0639405 B1 EP 0639405B1 EP 94401870 A EP94401870 A EP 94401870A EP 94401870 A EP94401870 A EP 94401870A EP 0639405 B1 EP0639405 B1 EP 0639405B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support
- tubular element
- housings
- base
- extensions
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
-
- 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
- B65D25/103—V-shaped elements, e.g. racks, protuberances projecting from a supporting surface, supporting the articles locally at its sides
-
- 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/20—Containers, packaging elements or packages, specially adapted for particular articles or materials for incompressible or rigid rod-shaped or tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2300/00—Additional constructional details
- B01L2300/08—Geometry, shape and general structure
- B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
- B01L2300/0838—Capillaries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/44—Clasp, clip, support-clamp, or required component thereof
- Y10T24/44641—Clasp, clip, support-clamp, or required component thereof having gripping member formed from, biased by, or mounted on resilient member
- Y10T24/44769—Opposed engaging faces on gripping member formed from single piece of resilient material
- Y10T24/44872—Opposed engaging faces on gripping member formed from single piece of resilient material having specific handle structure
Definitions
- the present invention relates to a device providing support and handling, in particular for its transport or its storage, of a tubular element usually glass or similar material, very low external diameter for example of 1 mm or less, and the length is very notably greater, if necessary close 10 cm or more, or in a ratio of around 100 with the diameter, which makes this element particularly fragile and prevents it from being grasped and used without taking extreme precautions.
- a tubular element usually glass or similar material, very low external diameter for example of 1 mm or less, and the length is very notably greater, if necessary close 10 cm or more, or in a ratio of around 100 with the diameter, which makes this element particularly fragile and prevents it from being grasped and used without taking extreme precautions.
- the invention applies more particularly, although not exclusively, to a support device intended to receive and protect a micropipette for medical applications, having the form of a glass tube whose dimensions nominal correspond substantially to those mentioned above, this tube being further stretched at one end to present an extension in which its internal diameter is reduced to a value of a few microns, or approximately one dimension 100,000 times less than the length of the tube and around 1,000 with respect to its external diameter, in the part current of it.
- Such very thin tubes are in particular used in in vitro fertilization techniques for allow the injection of one or more sperm collected and collected inside a tube like this in its tapered end, in an oocyte intended to receive them, also held in place by a similar tube.
- the present invention relates to a support device which allows these functions to be carried out under safe conditions protecting the tubular element against impact or bending forces, even reduced, which would break it irremediably, which is very easy to grasp and move by the user is very easy to use when placing or removing the tubular element this one, being inexpensive, of negligible maintenance and finally has only a limited size.
- the support device considered is characterized in that it consists of a single piece, in a material having a relative elasticity, comprising a elongated body whose dimension in its longitudinal direction is at least equal to the length of the tubular element to support and whose cross section through a plane perpendicular to this longitudinal direction has substantially the shape of a U inverted with a central base extended by two branches side substantially parallel to each other, the base of the U comprising on its external face, preferably flat, at least two housing open to the outside, from manufacturing with the support body, arranged in the extension of each other in being separated by a distance less than the length of the tubular element, so as to receive the latter by supporting in two suitably spaced zones, each of these housings being delimited by two parallel edges extending to from the base of the U, approximately perpendicular to this and parallel to the longitudinal direction of the body.
- the material constituting the body of the support is a plastic material, such as polyethylene, chloride polyvinyl or other, in particular and even more preferred, polypropylene.
- the sides of the base of the U in line with its branches side, have, facing the housing and spaced apart edges of these, extensions extending these branches to complete the protection of the tubular element placed in these housing.
- the height of the extensions is notably greater than that of the edges of the housings.
- the body of the support monobloc present in its central region, between the two housings receiving the tubular element, a wide notch formed in its lateral branches, between the extensions extending these, through which the base of the U is eliminated in order to release the element in the notch, so as to allow during extraction or placement of this element in its housing, to grasp it more easily by its environment, without interventions and in particular without touching his most fragile tapered end.
- the support considered is intended for support and maintain a tubular element 2, in view in particular the transport or storage thereof.
- the element 2 is constituted by a tube of hollow glass of very small external diameter, of the order of 1 mm, although the effective dimension of this diameter is in itself indifferent to the invention, the support being adaptable, as specified below, to tubes of diameters if necessary different.
- This element has a very marked length greater than that of its diameter, for example of the order of 9 to 10 cm, in the example more especially considered.
- this element 2 involves at a from its ends a tapered part 3 whose diameter is very significantly reduced, the internal duct in this part of the tubular element can be brought in the vicinity of a few microns.
- the support according to the invention ensures a effective protection of such a micropipette which is designed easily the extremely fragile character with regard to any shock or bending force, not only in its tapered end, but also in its current part where the report of the length of the tube at its diameter is close to 100 for aforementioned dimensions.
- the support 1 consists of a one-piece body 4, elongated, the length of which is substantially greater than that of the tubular element 2 and its tapered end 3, so that this element does not protrude from the apparent outline of the body 4 when carried by it.
- the body 4 has, in cross section, an inverted U-shaped profile with a part central or base 5 extending substantially horizontally to the upper part of the body and two lateral branches 6 and 7, parallel to each other and extending approximately vertically from base 5.
- the body 4 is made of a relatively rigid material but nevertheless showing a certain elasticity, so that allow a limited approximation of the lateral branches 6 and 7 when the user exerts an effort on them mutual rimpedement, especially between the thumb and forefinger, this approximation being shown schematically in the drawing by the arrows antagonists 8, appearing in the lower part of these branches 6 and 7.
- the body 4 also comprises, on the upper face of base 5, two housings respectively designated under references 9 and 10 in Figures 1 and 2, these housings, open outwards, being intended to receive the tubular element 2 thus making it possible to support the latter in two regions separated from each other according to the length of this element to inside the body 4.
- housings 9 and 10 are arranged in the extension from each other, substantially along the median plane of the support, each of them being made up of two edges, respectively 11 and 12 ( Figure 3), extending parallel to each other and perpendicular to the base 5 of the body 4 so as to delimit between them a space 13 for the establishment therein of the corresponding part of element 2.
- the width of the space 13 between the edges parallel 11 and 12 of each of the housings 9 and 10 is determined by construction so that when the tubular element 2 is engaged in these dwellings, it is suitably immobilized without however being subjected to an excessive pressure force which would risk to break it given its extreme fragility.
- the one-piece body 4 is produced by molding a suitable plastic material, such as polyethylene, polyvinyl chloride or the like, even more preferably in polypropylene, the nature of the material important little actually present invention provided that the support has a sufficient rigidity combined with a limited bending ability of the lateral branches 6 and 7 of the body, as already specified.
- a suitable plastic material such as polyethylene, polyvinyl chloride or the like, even more preferably in polypropylene, the nature of the material important little actually present invention provided that the support has a sufficient rigidity combined with a limited bending ability of the lateral branches 6 and 7 of the body, as already specified.
- the mold for making it reserve the width of space 13 of housing 9 and 10 for adequate dimension to each tubular element 2 having a diameter exterior given in nominal part corresponds to a support suitable.
- each side housings 9 and 10 extensions such as 14 and 15 of a hand, 16 and 17 on the other hand, respectively arranged of each side of these housings, extending upward from the base 5 as shown in the Figures and in particular the sectional view of Figure 3.
- These extensions thus extend the branches side 6 and 7 towards the upper part of the body 4, their height being significantly greater than that of edges 11 and 12 of each of the dwellings, so as to partially surround these the latter by preventing direct access to the tubular element 2 at the right of these dwellings and thus avoiding forcing on the parties corresponding to it.
- the extensions 14 and 15 on the one hand, 16 and 17 on the other hand extend transversely over a distance much higher than that of housing 9 and 10, being especially made from the longitudinal ends of the body 4 to extend towards one another without however, join in the middle part of the support.
- the removal of the tubular element 2 is carried out with the greatest simplicity by taking advantage of the relative elasticity of the material of the body 4 and the U-shaped structure of it. It suffices, for the user who wishes to remove element 2, to exercise on ends of the lateral branches 6 and 7 a slight effort of approximation in the direction of the arrows 8, to cause simultaneously, in a manner comparable to scissors, a spacing homologous according to the direction of the arrows 19 in FIG.
- a support and protection device is thus produced a tubular element having a very small diameter, in particular of the kind of a micropipette for medical application, in particular of the kind used in the techniques of in vitro fertilization, such an application having naturally no limitation as to the possibilities of use and implementation of the support considered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Buffer Packaging (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Sampling And Sample Adjustment (AREA)
- External Artificial Organs (AREA)
Description
- La Figure 1 est une vue en perspective du support considéré, représenté muni d'un élément tubulaire porté par ce support ;
- La Figure 2 est une vue en élévation du support de la Figure 1 ;
- La Figure 3 est une vue en coupe transversale à plus grande échelle du support de la Figure 2, par un plan perpendiculaire à sa direction longitudinale, au droit d'un des logements de ce support dans lequel est monté l'élément tubulaire.
Claims (6)
- Dispositif de support et de protection (1) d'un élément tubulaire (2) de très faible diamètre, notamment du genre d'une micropipette de prélèvement, d'injection ou de contention, comportant une partie nominale de diamètre constant et une extrémité effilée (3), caractérisé en ce qu'il est constitué par une pièce monobloc, en un matériau présentant une élasticité, comportant un corps allongé (4) dont la dimension dans sa direction longitudinale est au moins égale à la longueur de l'élément tubulaire (2) à supporter et dont la section droite par un plan perpendiculaire à cette direction longitudinale a sensiblement la forme d'un U inversé avec une base centrale (5) prolongée par deux branches latérales (6, 7) sensiblement parallèles l'une à l'autre, la base du U comportant sur sa face externe, de préférence plane, au moins deux logements (9, 10) ouverts vers l'extérieur, venus de fabrication avec le corps (4) du support, disposés dans le prolongement l'un de l'autre en étant séparés par une distance inférieure à la longueur de l'élément tubulaire, de manière à recevoir celui-ci en le soutenant dans deux zones espacées, chacun de ces logements étant délimité par deux bords parallèles (11, 12) s'étendant à partir de la base du U, approximativement perpendiculairement à celle-ci et parallèlement à la direction longitudinale du corps.
- Dispositif selon la revendication 1, caractérisé en ce que le matériau constituant le corps (4) du support est un matériau plastique.
- Dispositif selon l'une des revendications 1 ou 2, caractérisé en ce que le matériau constituant le corps (4) du suport est du polyéthylène, du chlorure de polyvinyle ou du polypropylène.
- Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que les côtés de la base du U, au droit de ses branches latérales (6, 7), comportent, en regard des logements (9, 10) et espacées des bords de ceux-ci, des extensions (14, 15 - 16, 17) prolongeant ces branches pour parfaire la protection de l'élément tubulaire placé dans ces logements.
- Dispositif selon la revendication 4, caractérisé en ce que la hauteur des extensions est supérieure à celle des bords (11, 12) des logements.
- Dispositif selon l'une des revendications 4 ou 5, caractérisé en ce que le corps (4) du support présente dans sa région centrale, entre les deux logements (9, 10) recevant l'élément tubulaire (2), une échancrure (18) ménagée dans ses branches latérales entre les extensions (14, 15 - 16, 17).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9310141A FR2709077B1 (fr) | 1993-08-20 | 1993-08-20 | Dispositif de support et de protection d'un élément tubulaire de très faible diamètre, notamment du genre micropipette de prélèvement, d'injection ou de contention. |
FR9310141 | 1993-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0639405A1 EP0639405A1 (fr) | 1995-02-22 |
EP0639405B1 true EP0639405B1 (fr) | 1998-06-03 |
Family
ID=9450325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94401870A Expired - Lifetime EP0639405B1 (fr) | 1993-08-20 | 1994-08-18 | Dispositif de support et de protection d'un élément tubulaire de très faible diamètre, notamment du genre micropipette |
Country Status (3)
Country | Link |
---|---|
US (1) | US5417926A (fr) |
EP (1) | EP0639405B1 (fr) |
FR (1) | FR2709077B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5876381A (en) * | 1998-01-15 | 1999-03-02 | Inter-Med, Llc. | Anti-stick adaptor for hypodermic dental needles |
GB0410923D0 (en) * | 2004-05-15 | 2004-06-16 | Smiths Group Plc | Packaging and assemblies |
US7770730B2 (en) * | 2004-07-29 | 2010-08-10 | Cook Vascular Incorporated | Micropipette holder |
US8172104B2 (en) * | 2008-09-15 | 2012-05-08 | John A. Weber | Medical waster disposal apparatus |
US9333289B1 (en) | 2015-01-16 | 2016-05-10 | Plas-Tech Engineering, Inc. | Tamper evident closure container |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2551012A (en) * | 1951-05-01 | Knitting needle carrier | ||
GB289574A (en) * | 1927-02-08 | 1928-05-03 | Carl William Hansel | Improvements in and relating to the construction and adjustment of optical and other apparatus and appliances |
US2215118A (en) * | 1937-09-30 | 1940-09-17 | Thomas A Flood | Correlator for blood specimens |
US2598492A (en) * | 1948-05-26 | 1952-05-27 | Boes Jean | Holding and packaging means for pharmaceutical phials and the like |
US2591477A (en) * | 1949-07-29 | 1952-04-01 | T R Zettelmeyer | Plastic clothespin |
US2651407A (en) * | 1952-03-19 | 1953-09-08 | Seymour N Blackman | Container for hypodermic needles |
US3010569A (en) * | 1958-04-30 | 1961-11-28 | Boonton Molding Company | Protective case for medical thermometer |
US3176504A (en) * | 1962-05-21 | 1965-04-06 | Justin J Shapiro | Rack for hematocrit tubes |
US3453700A (en) * | 1968-01-16 | 1969-07-08 | Victor A Petertil | Integral clamp |
US3525264A (en) * | 1968-04-05 | 1970-08-25 | Becton Dickinson Co | Micropipette holder |
GB1427784A (en) * | 1973-09-14 | 1976-03-10 | Mueszeripari Muevek Lab | Device for use with a liquid transfer appliance in chemical analysis |
US3918920A (en) * | 1974-01-07 | 1975-11-11 | Beckman Instruments Inc | Holder for sample containers of different sizes |
DE8716160U1 (de) * | 1987-12-07 | 1988-01-28 | Fa. Andreas Hettich, 7200 Tuttlingen | Schutzvorrichtung für Kapillarröhrchen |
DE3844097A1 (de) * | 1988-12-28 | 1990-08-30 | Draegerwerk Ag | Mehrfachhalterung fuer pruefroehrchen |
-
1993
- 1993-08-20 FR FR9310141A patent/FR2709077B1/fr not_active Expired - Fee Related
-
1994
- 1994-07-29 US US08/282,455 patent/US5417926A/en not_active Expired - Lifetime
- 1994-08-18 EP EP94401870A patent/EP0639405B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2709077A1 (fr) | 1995-02-24 |
EP0639405A1 (fr) | 1995-02-22 |
FR2709077B1 (fr) | 1995-10-27 |
US5417926A (en) | 1995-05-23 |
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