US20130228596A1 - Dispenser - Google Patents
Dispenser Download PDFInfo
- Publication number
- US20130228596A1 US20130228596A1 US13/385,680 US201213385680A US2013228596A1 US 20130228596 A1 US20130228596 A1 US 20130228596A1 US 201213385680 A US201213385680 A US 201213385680A US 2013228596 A1 US2013228596 A1 US 2013228596A1
- Authority
- US
- United States
- Prior art keywords
- hub
- dispenser
- rim
- cannula
- spokes
- 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.)
- Abandoned
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
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
- B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/08—Ergonomic or safety aspects of handling devices
- B01L2200/087—Ergonomic aspects
-
- 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
- B01L2300/06—Auxiliary integrated devices, integrated components
- B01L2300/0672—Integrated piercing tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/0241—Drop counters; Drop formers
- B01L3/0272—Dropper bottles
Definitions
- the subject invention relates to blood and other dispensers.
- dispensers have been designed to transfer blood and other liquids from a stoppered test tube to a slide. Most dispensers have some kind of a base and a cannula extending outwardly therefrom.
- U.S. Pat. No. 5,163,583, also incorporated herein by this reference discloses a different design with a skirt about the cannula which is supported by a solid disk. See also the Helena Laboratory Corp's. “H-Pette” products.
- a dispenser is provided with a single stabilizing rim which is easier to engage in order to push the cannula into the stopper.
- a dispenser comprising a base including a stabilizing rim, a hub, spokes attached to the rim and extending inwardly to the hub supporting it with respect to the rim, and a cannula supported by the hub.
- the rim is ring shaped, each spoke extends upwardly and then inwardly to a side wall of the hub, the hub is ring shaped, the cannula is supported in the hub, and the hub includes a lower inwardly tapered dispensing tip in communication with the cannula.
- the cannula can be all plastic or may be in two sections, one plastic and one metal.
- the dispensing tip is rounded, and is spaced from the terminal edge of the rim.
- the base, rim, spokes, hub, and cannula are integral and made of plastic. There may be three spaced spokes, the cannula may be tapered, the cannula may have a tapered channel therein, and the cannula may have a sharpened distal end.
- a molded plastic, unitary dispenser in accordance with an example of the invention typically includes a base with a stabilizing ring shaped rim, a ring shaped hub inside the rim and including a lower dispensing tip, spokes attached to the rim and extending inwardly to the hub, and a cannula supported by the hub.
- a dispenser comprises a base including a stabilizing rim, a hub, means for supporting the hub with respect to the rim, and a cannula supported by the hub.
- the means for supporting the hub include spokes attached to the rim and extending inwardly to the hub.
- FIG. 1 is schematic three dimensional front view showing an example of a dispenser in accordance with the invention
- FIG. 2 is a schematic side view of the dispenser of FIG. 1 ;
- FIG. 3 is a cross sectional front view of the dispenser shown in FIGS. 1 and 2 ;
- FIG. 4 is a schematic view showing the dispenser of FIGS. 1-3 being used in connected with a stoppered test tube;
- FIG. 5 is a schematic three dimensional front view of another example of a dispenser in accordance with the invention.
- FIGS. 1-3 depict an example of a dispenser 10 including base 12 with stabilizing rim 14 typically ring shaped as shown.
- Ring shaped hub 16 is supported with respect to rim 14 by means for supporting such as equally spaced spokes 18 a , 18 b , and 18 c .
- the spokes rise upwardly from the top surface 20 of rim 14 and extend inwardly to side wall 24 of hub 16 as shown supporting hub 16 within and slightly above rim 14 .
- Cannula 22 is supported in hub 16 and is preferably tapered as shown in FIG. 3 but with a uniform wall thickness forming tapered channel 26 therein.
- the distal end of cannula 22 is sharpened as shown at 28 in FIGS. 1-2 . This design results in a cannula which is easier to insert into a stopper and which produces a drop of liquid at dispensing tip 30 .
- Hub 16 preferably includes lower, inwardly tapered, rounded dispensing tip 30 spaced 0.058 inches above terminal edge surface 34 of rim 14 .
- the dispenser 10 is injected molded from clear plastic material such as acrylic (e.g., Acrylite M30, Evonik Industries).
- Rim 14 may be 0.490 inches in diameter and cannula 22 may be 0.853 inches tall.
- the outer diameter of cannula 22 may be 0.057 inches at the sharpened tip and 0.085 inches at the intersection with base 12 . Clear plastic is used so medical personnel can see when a blood drop is present in the device.
- cannula portion 23 is a metal tube press or friction fit into plastic canulla portion 22 ′.
- Cannula portion 23 may be 0.5′′ long and have an interior diameter of 0.020 inches. Larger interior diameters may be desirable, e.g., 0.030 inches. The result, in any embodiment, typically features an ergonomic, robust design.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A dispenser includes a base with a stabilizing rim, a hub, and spokes attached to the rim. The spokes extend inwardly to the hub supporting it with respect to the rim. A cannula is supported by the hub.
Description
- The subject invention relates to blood and other dispensers.
- Various dispensers have been designed to transfer blood and other liquids from a stoppered test tube to a slide. Most dispensers have some kind of a base and a cannula extending outwardly therefrom. U.S. Pat. Nos. 5,697,522 and 5,344,666, both incorporated herein by this reference, disclose bases with a plurality of stabilizing legs. U.S. Pat. No. 5,163,583, also incorporated herein by this reference, discloses a different design with a skirt about the cannula which is supported by a solid disk. See also the Helena Laboratory Corp's. “H-Pette” products.
- BRIEF SUMMARY OF THE INVENTION
- Due to alleged patent coverage of existing dispensers, an alternative source for dispensers is desirable. In the invention, a dispenser is provided with a single stabilizing rim which is easier to engage in order to push the cannula into the stopper.
- The invention features, in one aspect, a dispenser comprising a base including a stabilizing rim, a hub, spokes attached to the rim and extending inwardly to the hub supporting it with respect to the rim, and a cannula supported by the hub.
- In some embodiments, the rim is ring shaped, each spoke extends upwardly and then inwardly to a side wall of the hub, the hub is ring shaped, the cannula is supported in the hub, and the hub includes a lower inwardly tapered dispensing tip in communication with the cannula. The cannula can be all plastic or may be in two sections, one plastic and one metal.
- In one example, the dispensing tip is rounded, and is spaced from the terminal edge of the rim. Typically, the base, rim, spokes, hub, and cannula are integral and made of plastic. There may be three spaced spokes, the cannula may be tapered, the cannula may have a tapered channel therein, and the cannula may have a sharpened distal end.
- A molded plastic, unitary dispenser in accordance with an example of the invention typically includes a base with a stabilizing ring shaped rim, a ring shaped hub inside the rim and including a lower dispensing tip, spokes attached to the rim and extending inwardly to the hub, and a cannula supported by the hub.
- In one version, a dispenser comprises a base including a stabilizing rim, a hub, means for supporting the hub with respect to the rim, and a cannula supported by the hub. In one preferred embodiment, the means for supporting the hub include spokes attached to the rim and extending inwardly to the hub.
- The subject invention, however, in other embodiments, need not achieve all these objectives and the claims hereof should not be limited to structures or methods capable of achieving these objectives.
- Other objects, features and advantages will occur to those skilled in the art from the following description of a preferred embodiment and the accompanying drawings, in which:
-
FIG. 1 is schematic three dimensional front view showing an example of a dispenser in accordance with the invention; -
FIG. 2 is a schematic side view of the dispenser ofFIG. 1 ; -
FIG. 3 is a cross sectional front view of the dispenser shown inFIGS. 1 and 2 ; -
FIG. 4 is a schematic view showing the dispenser ofFIGS. 1-3 being used in connected with a stoppered test tube; and -
FIG. 5 is a schematic three dimensional front view of another example of a dispenser in accordance with the invention. - Aside from the preferred embodiment or embodiments disclosed below, this invention is capable of other embodiments and of being practiced or being carried out in various ways. Thus, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. If only one embodiment is described herein, the claims hereof are not to be limited to that embodiment. Moreover, the claims hereof are not to be read restrictively unless there is clear and convincing evidence manifesting a certain exclusion, restriction, or disclaimer.
-
FIGS. 1-3 depict an example of adispenser 10 includingbase 12 with stabilizingrim 14 typically ring shaped as shown. Ring shapedhub 16 is supported with respect torim 14 by means for supporting such as equallyspaced spokes top surface 20 ofrim 14 and extend inwardly toside wall 24 ofhub 16 as shown supportinghub 16 within and slightly aboverim 14. Cannula 22 is supported inhub 16 and is preferably tapered as shown inFIG. 3 but with a uniform wall thickness formingtapered channel 26 therein. The distal end ofcannula 22 is sharpened as shown at 28 inFIGS. 1-2 . This design results in a cannula which is easier to insert into a stopper and which produces a drop of liquid at dispensingtip 30. -
Hub 16 preferably includes lower, inwardly tapered, rounded dispensingtip 30 spaced 0.058 inches aboveterminal edge surface 34 ofrim 14. Preferably, all these components are integral and thedispenser 10 is injected molded from clear plastic material such as acrylic (e.g., Acrylite M30, Evonik Industries).Rim 14 may be 0.490 inches in diameter andcannula 22 may be 0.853 inches tall. The outer diameter ofcannula 22 may be 0.057 inches at the sharpened tip and 0.085 inches at the intersection withbase 12. Clear plastic is used so medical personnel can see when a blood drop is present in the device. - The depending feet of U.S. Pat. Nos. 5,344,666 and 5,697,522 are avoided since they may irritate the user's thumb when the cannula is pushed into a stoppered vial. In contrast,
broad rim 14 in the example shown is comfortable against the thumb as the cannula is driven into stopper 53 intest tube 50 as shown inFIG. 4 . At the same time, hollowcircular rim 14 stabilizes these components when placed on a table, slide, diagnostic card, or the like. And,rim 14 allows liquid, e.g., blood, to be dispensed without smearing. - In
FIG. 5 ,cannula portion 23 is a metal tube press or friction fit intoplastic canulla portion 22′. Cannulaportion 23 may be 0.5″ long and have an interior diameter of 0.020 inches. Larger interior diameters may be desirable, e.g., 0.030 inches. The result, in any embodiment, typically features an ergonomic, robust design. - Although specific features of the invention are shown in some drawings and not in others, this is for convenience only as each feature may be combined with any or all of the other features in accordance with the invention. The words “including”, “comprising”, “having”, and “with” as used herein are to be interpreted broadly and comprehensively and are not limited to any physical interconnection. Moreover, any embodiments disclosed in the subject application are not to be taken as the only possible embodiments.
- In addition, any amendment presented during the prosecution of the patent application for this patent is not a disclaimer of any claim element presented in the application as filed: those skilled in the art cannot reasonably be expected to draft a claim that would literally encompass all possible equivalents, many equivalents will be unforeseeable at the time of the amendment and are beyond a fair interpretation of what is to be surrendered (if anything), the rationale underlying the amendment may bear no more than a tangential relation to many equivalents, and/or there are many other reasons the applicant can not be expected to describe certain insubstantial substitutes for any claim element amended.
- Other embodiments will occur to those skilled in the art and are within the following claims.
Claims (17)
1. A dispenser comprising:
a base including a stabilizing rim;
a hub;
spokes attached to the rim and extending inwardly to the hub supporting it with respect to the rim; and
a cannula supported by the hub.
2. The dispenser of claim 1 in which the rim is ring shaped.
3. The dispenser of claim 1 in which each spoke extends upwardly and then inwardly to a side wall of the hub.
4. The dispenser of claim 1 in which the hub is ring shaped.
5. The dispenser of claim 1 in which the cannula is supported in the hub.
6. The dispenser of claim 1 in which the hub includes a lower inwardly tapered dispensing tip in communication with the cannula.
7. The dispenser of claim 6 in which the dispensing tip is rounded.
8. The dispenser of claim 6 in which the dispensing tip is spaced from the terminal edge of the rim.
9. The dispenser of claim 1 in which the base, rim, spokes, hub, and cannula are integral and made of plastic.
10. The dispenser of claim 1 in which there are three spaced spokes.
11. The dispenser of claim 1 in which the cannula is tapered.
12. The dispenser of claim 1 in which the cannula has a tapered channel therein.
13. The dispenser of claim 1 in which the cannula has a sharpened distal end.
14. Molded plastic, unitary dispenser comprising:
a base including a stabilizing ring shaped rim;
a ring shaped hub inside the rim and including a lower dispensing tip;
spokes attached to the rim and extending inwardly to the hub; and
a cannula supported by the hub.
15. The dispenser of claim 14 in which the cannula has a lower plastic portion and an upper metal portion fit into the lower plastic portion.
16. A dispenser comprising:
a base including a stabilizing rim;
a hub;
means for supporting the hub with respect to the rim; and
a cannula supported by the hub.
17. The dispenser of claim 16 in which the means for supporting the hub include spokes attached to the rim and extending inwardly to the hub.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/385,680 US20130228596A1 (en) | 2012-03-01 | 2012-03-01 | Dispenser |
US14/288,590 US20140271361A1 (en) | 2012-03-01 | 2014-05-28 | Contoured dispenser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/385,680 US20130228596A1 (en) | 2012-03-01 | 2012-03-01 | Dispenser |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/288,590 Continuation-In-Part US20140271361A1 (en) | 2012-03-01 | 2014-05-28 | Contoured dispenser |
Publications (1)
Publication Number | Publication Date |
---|---|
US20130228596A1 true US20130228596A1 (en) | 2013-09-05 |
Family
ID=49042245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/385,680 Abandoned US20130228596A1 (en) | 2012-03-01 | 2012-03-01 | Dispenser |
Country Status (1)
Country | Link |
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US (1) | US20130228596A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160271613A1 (en) * | 2015-03-19 | 2016-09-22 | Biomedical Polymers, Inc. | Molded plastic needle stick accident prevention dispenser |
WO2016146957A1 (en) | 2015-03-18 | 2016-09-22 | R.A.L. Diagnostics | Device for preparing a layer of biological cells on a slide and apparatus for automatically preparing a layer of cells using said device |
US11548694B1 (en) * | 2017-03-15 | 2023-01-10 | Allen Brothers & Rosselot Inc. | Liquid dispenser for a bottle |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US568396A (en) * | 1896-09-29 | Stand for ice-coolers | ||
USD244670S (en) * | 1975-01-30 | 1977-06-14 | Winikoff Stuart F | Dispensing cap for an eye drop bottle or the like |
US4685906A (en) * | 1986-03-31 | 1987-08-11 | Murphy William F | Eye-drops application device |
US4960407A (en) * | 1987-12-08 | 1990-10-02 | Cope Samuel M | Disposable eye drop dispenser instrument for post-surgical and general use |
USD337383S (en) * | 1991-03-06 | 1993-07-13 | Smith Ralph W | Guide for administering eye drops |
US5810794A (en) * | 1996-11-21 | 1998-09-22 | Peplinski; Lee S. | Eye drop dispensing device |
USD462443S1 (en) * | 2001-04-11 | 2002-09-03 | Intralase Corporation | Applanation lens cone for ophthalmic laser surgery |
US20070255182A1 (en) * | 2006-04-03 | 2007-11-01 | Werner Alton | Vessel fill level indicating device |
-
2012
- 2012-03-01 US US13/385,680 patent/US20130228596A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US568396A (en) * | 1896-09-29 | Stand for ice-coolers | ||
USD244670S (en) * | 1975-01-30 | 1977-06-14 | Winikoff Stuart F | Dispensing cap for an eye drop bottle or the like |
US4685906A (en) * | 1986-03-31 | 1987-08-11 | Murphy William F | Eye-drops application device |
US4960407A (en) * | 1987-12-08 | 1990-10-02 | Cope Samuel M | Disposable eye drop dispenser instrument for post-surgical and general use |
USD337383S (en) * | 1991-03-06 | 1993-07-13 | Smith Ralph W | Guide for administering eye drops |
US5810794A (en) * | 1996-11-21 | 1998-09-22 | Peplinski; Lee S. | Eye drop dispensing device |
USD462443S1 (en) * | 2001-04-11 | 2002-09-03 | Intralase Corporation | Applanation lens cone for ophthalmic laser surgery |
US20070255182A1 (en) * | 2006-04-03 | 2007-11-01 | Werner Alton | Vessel fill level indicating device |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016146957A1 (en) | 2015-03-18 | 2016-09-22 | R.A.L. Diagnostics | Device for preparing a layer of biological cells on a slide and apparatus for automatically preparing a layer of cells using said device |
US10746636B2 (en) | 2015-03-18 | 2020-08-18 | R.A.L. Diagnostics | Device for preparing a layer of biological cells on a slide and apparatus for automatically preparing a layer of cells using said device |
US20160271613A1 (en) * | 2015-03-19 | 2016-09-22 | Biomedical Polymers, Inc. | Molded plastic needle stick accident prevention dispenser |
US11548694B1 (en) * | 2017-03-15 | 2023-01-10 | Allen Brothers & Rosselot Inc. | Liquid dispenser for a bottle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: BIOMEDICAL POLYMERS INC., MASSACHUSETTS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FAULKNER, MICHAEL T.;REEL/FRAME:027941/0670 Effective date: 20120224 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION |