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Automated%20Medication%20Dispensing%20Device

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Opening this container once dispensed may also prove difficult for some ... The machine also has the capability to record the number of doses dispensed. ... – PowerPoint PPT presentation

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Title: Automated%20Medication%20Dispensing%20Device


1
Automated Medication Dispensing Device
RERC on Accessible Medical Instrumentation
Competition 2005-2006
  • Team 6
  • Eva Marie Suarez
  • Kevin Villani
  • Jacquelyn Masse

2
Objectives
  • Client Needs
  • Existing devices and Patents
  • Device features
  • Design
  • Timeline
  • Budget

3
Client Needs
  • Large number of medications
  • Poor eyesight
  • Lack of fine motor control
  • Limited mobility
  • Segmentation

4
Products Currently Available
Product Name Image PRO CON
MedTime Timer with alarm Portable 232.95 Difficult loading No cutting device No security feature
MD2 - Timer with alarm Gives medication instructions Calls caretaker if medication not dispensed or refill is needed Dispenses in small container No cutting device No security feature 919.95 plus 38.95 per month
CompuMed - Timer with alarm - Gives medication instructions - Minimal security - Tracks number of missed doses Pills deposited into drawer Only dispenses up to 4 times per day Medicine cassette needs to be changed weekly No cutting device 1045.00
5
Patents
  • Medication Dispenser for Dispensing Flat Dosage
    Forms (6,527,138)
  • Tamper Resistant Programmable Medicine Dispenser
    (6,163,736)
  • Timed Medicine Dispenser (4,207,992)
  • Medicine Dispenser (5,947,329)
  • Medicine Dispensing Device (5,454,793)
  • Gravity Feeding Pill Medicine Dispenser
    (4,638,923)

6
General Themes
  • Pills must be pre-separated (time consuming
    loading process)
  • Accuracy is not verified frequently
  • No cutting device
  • Difficult to extract dispensed medication from
    apparatus
  • Costly

7
Device features
  • Automatically Cuts Pills
  • No Hard-To-Read Labels
  • Keeps Pills Organized
  • Alarm Reminder
  • Automatically Dispenses Dosage

8
Operation
  • Basic overview

9
Basic Elements
  • Device components
  • Case
  • Robotic arm with vacuum assembly
  • Cutter assembly
  • Storage assembly
  • Data flow
  • User input

10
Case
11
Case (inside)
12
Layout of All Components
13
Robotic Arm
14
Robotic Arm Action
15
Cutter Assembly Swing Arm Action
16
Cutter Assembly Blade Action
17
Storage Assembly
18
Data Flow
19
User Input
  • User interface
  • PDA
  • Keyboard
  • Barcode Scanner
  • Functions
  • Add pills
  • Compartment
  • of pills
  • Expiration date
  • Set dosage
  • pills per dose
  • Times to take

20
Timeline
21
Budget
22
  • Back-Up Slides

23
  • MedTime The Medtime product is essentially a
    rotating disk that contains several compartments
    in which the pills are separated into to create
    the appropriate dosage. The MedTime device also
    contains a timer and an alarm which can be
    programmed to sound when the medication must be
    taken. Once this alarm goes off, the disk rotates
    to reveal the next dosage to be taken. The client
    then turns the product over so the pills fall
    into his/her hand. If a dosage is missed then the
    disk will continue to rotate so that the next
    dosage becomes available. The advantage of this
    device is that it is portable, so it can be taken
    with the client at all times. This product is
    also one of the least expensive medication
    dispensing devices at 232.95. The disadvantages
    of this product are its time consuming loading
    requirement, the lack of a cutting device, and
    minimal security. To load the device all the
    dosages must be pre-separated which will require
    the effort of a caretaker in most cases. The
    dispensing mechanism of the device is also
    inadequate for many elderly, since it requires
    one to tip the device over to expel the dosage.
    Not only is the method of dispensing not safe if
    there are children present since it is accessible
    to anyone, but it also provides the opportunity
    for the medication to fall on the ground easily.
    Those in a wheelchair would not be able to pick
    up the medication if it fell on the ground as
    well as those with poor vision.
  • MD2 The MD2 is a more sophisticated medication
    dispensing device than the MedTime. This product
    contains the same feature of a timed dispensing
    mechanism with an alarm to alert the client. The
    dosage is expelled in a small plastic container
    once the release button is pushed by the user
    which also turns off the alarm. When a dosage is
    released any medication instructions that was
    programmed into the device is then given orally,
    such as take with food. If a dosage is missed
    the device can call up to four individuals to
    alert them that a dose was not taken. The
    advantages of this device is that it alerts
    another individual of a missed dose rather than
    moving onto the next one, so the probability of a
    dosage not being taken is relatively small.
    Clients that forget to take their medication are
    also likely to forget the instructions or each
    medication, an error in consumption of the pills
    is prevented with this device via the oral
    instructions. The disadvantage of this product is
    mainly its cost. The dispenser costs 919.95 plus
    an additional 38.95 per month for the calling
    feature. The product also does not have a cutter
    and has minimal security since the dispensing of
    the medication is controlled by the push of a
    button, which can be done by any individual in
    the household including small children.
    Dispensing the dosage in a small container also
    requires the assistance of a caretaker to
    prepare. Opening this container once dispensed
    may also prove difficult for some individuals
    with limited mobility and poor vision.
  • CompuMed The CompuMed shares some similarities
    with both the MedTime and the MD2. This device
    alerts the user that a dosage needs to be taken
    via an alarm. The dosage is deposited into a
    small drawer located on the front of the device.
    If a dosage is missed the drawer is withdrawn and
    the dosage is sent to another compartment. The
    machine keeps track of how many doses were missed
    but does not alert any caretaker as the MD2 does.
    It will also provide the medication instructions
    on the LCD screen when a dosage is dispensed as
    the MD2. The CompuMed has a higher level of
    security than the other two devices. Although the
    dosage is deposited into a drawer where others
    can access it, the rest of the medication stored
    in the product is locked inside with a key. This
    key is also needed to change the programming of
    the device and thus prevents any tampering that
    may otherwise occur. The main advantages of this
    device are its enhanced security, and lower cost
    when compared to the MD2. The CompuMed costs
    approximately 1045.00, but does not have any
    additional monthly fees. The disadvantage of this
    product is that the medication is loaded into
    cartridges which is a time consuming process and
    limits the amount of medication that can
    dispensed. The cartridges need to be changed
    weekly and are only capable of dispensing up to
    four dosages per day. This device also lacks a
    cutting mechanism and dispenses the medication
    into a drawer which may be difficult to extract
    from the small drawer for some individuals.

24
Patents
  • Medication Dispenser for Dispensing Flat Dosage
    Forms (6,527,138) This device is designed
    specifically for flat mediations that come on a
    roll similar to that of a stamp roll. The device
    then advances the roll when the next medication
    needs to be taken. The dispensing mechanism can
    be either manual activated, mechanical or
    automated. The machine also has the capability to
    record the number of doses dispensed.
  • Tamper Resistant Programmable Medicine Dispenser
    (6,163,736) This device prevents unauthorized
    movement of the indexing assembler to prevent
    untimely access to medications. It is a small and
    portable product, but requires the medications to
    be separated into the appropriate dosages
    beforehand.
  • Medicine Dispenser (5,947,329) This product also
    provides a security feature against unauthorized
    access to the medication by storing the
    medication in sealed containers that require
    deliberate steps to get the medication dispensed.
    This device is completely mechanical and includes
    a counter to track the dosages dispensed.
  • Timed Medicine Dispenser (4,207,992) As the
    title suggests, this a timed dispenser which
    alerts the patient when the medication needs to
    be taken. The pills need to be pre-separated into
    the correct dosages as with several of the other
    devices.
  • Medicine Dispensing Device (5,454,793) This
    device is made specifically for liquid
    medications. It dispenses metered quantities from
    an ampoule and can easily return to its original
    state.
  • Gravity Feeding Pill Medicine Dispenser
    (4,638,923) This is the only device that
    dispenses the medication from the container
    provided by the pharmacy. It uses gravity to
    release the pills from the container. It is
    economical and easy to use, but does not contain
    a system to verify that the pills were extracted
    from the container correctly.

25
Design One
26
Design One Cutter
27
Design One Rejection Assembly
28
Design Two
Cutter
keypad
Robotic Arm
29
Design Two Robotic Arm
30
Design Three Robotic Arm
31
Vacuum Fan Requirements
P F/A F mg A pr2 Therefore, P mg/
pr2 (Equations)
32
Secondary Stage
33
Secondary Stage
34
Pathway of Pill
35
Specifications
36
References
e-pill Medication Reminders, Wellesley, MA,
2005. http//www.epill.com Lynxmotion LLC.,
Pekin, IL, 2004. http//www.lynxmotion.com Nation
al Instruments Corporation, Austin, TX,
2005. http//www.ni.com Parallax Inc., Rocklin,
California, 2002-2004. http//www.parallax.com
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