DHD-3 G-STAR Installation and User Manual

Page 1

DHD-3 Digital Hand Dynamometer

G-STAR™ Grip Strength Testing and Research

Software

Installation and User Manual

2012

Page 3

G-STAR™ - Introduction

Section 1: Introduction

Although the DHD-3 Digital Hand Dynamometer includes many features when

used as stand-alone device, the Grip Strength Testing and Research Software

(G-STAR™) extends the DHD-3 capabilities. G-STAR is an easy to use, yet

powerful software tool which automates grip strength and endurance testing

in both clinical and research environments. All patient information and their

test results are stored in an Access® database which includes normative score

tables for comparison based on age and gender. Maximum grip strength and

grip endurance tests are graphically displayed during testing and can be saved

in the database with their associated patient information. In addition, tests saved

in the DHD-3 itself when used as a stand-alone device, can be imported into the

database when re-connected to the PC using G-STAR.

Default values for search functions, sorting sequence, testing mode, unit of

measure and other parameters can be set based on preference and common

usage, but can be changed for individual tests as required. Voice guidance

provides assistance during program operation and helps guide the patient during

testing. G-STAR also includes utilities for backing up and restoring the database

as well as exporting individual test results to text (.txt) files. The G-STAR

database can also be directly accessed to export data into Excel® for customized

analysis and reporting.

For research applications, selected groups of patients and strength test results

from a single database can be combined for analysis and reporting, or separate

databases can be used for different groups and research studies. The Average

grip strength, Standard Deviation, and Coefficient of Variation are calculated

after each test. The research functions display combined test results for

individual patients and groups of patients based on a list of search options.

All test result screens can be printed for inclusion with patient records and

images of test result screens can be easily captured for inclusion in research

documentation.

3

Page 4

G-STAR™ - Installation

Section 2: Installation

Step 1: Download the current version of the G-STAR™

Software

The current version of G-STAR software can be obtained from www.

saehanmedical.com. Under the “Customer Support” tab, click on “Dataroom”

and select DHD-3 G-STAR-SH1003. Click “Save” to download the compressed

installation program DHD-3 G-STAR (v1.x).zip.

Step 2: Run the DHD-3 Setup Wizard

Double-click the downloaded DHD-3 G-STAR (v1.x).zip file to decompress the

file and then double-click on the

DHD-3 G-STAR file to start the installation

program. Click Next to continue.

4

Page 5

G-STAR™ - Installation

Select the folder for installation of the G-STAR software. This folder is also

where the database containing patient, testing, and research information is

stored. Click Next to continue.

Click Next to continue with the installation of the software and database.

5

Page 6

G-STAR™ - Installation

The progress bar indicates files are being installed.

Click Close to complete the G-STAR software installation.

6

Page 7

G-STAR™ - Installation

Step 3: Installation of the USB Virtual Com Port Driver

The USB Virtual COM port driver can be obtained from www.saehanmedical.

com. Under the “Customer Support” tab, click on “Dataroom” and select DHD3 G-STAR-SH1003. Click “Save” to download the VCPDriver v1.3.1.zip.

Run VCP_V1.3.1_Setup.exe. The setup program will install the USB Virtual

COM Port software and provide instructions when to connect the DHD-3 using

the USB cable.

Step 4: Linking the DHD-3 with the G-STAR software

Connect the DHD-3 to the PC using the USB cable and press the PWR button

to turn on the device. Click on the desktop icon

to run the G-STAR software

which should automatically establish a link with the DHD-3.

Link ON is displayed in the lower left corner of the screen when the link is

successful.

If Link Off is displayed and the error message “No Device” appears, then

follow the instructions in Step 5 and Step 6 for identifying and setting the USB

COM Port number in G-STAR.

7

Page 8

G-STAR™ - Installation

STEP 5: Identify the COM Port number assigned by Windows

The COM port number will be uniquely assigned to your PC by Windows. To

learn which Virtual USB COM Port number was assigned by Windows during

installation, follow the instructions below for your version of Windows, then

proceed to Step 6.

For Windows XP

Connect the DHD-3 using the USB cable and press the PWR button to turn on

the device. Go to the Start Menu and select Control Panel → System, click on

the Hardware tab and then click Device Manager.

8

Page 9

G-STAR™ - Installation

Expand the list of Ports (COM & LPT) by clicking on the ‘+” sign. The

(COM#) next to “STMicroelectronics Virtual COM Port” is the COM Port

number Windows XP has assigned for the DHD-3. Make note of the COM#, and

then close the Device Manager and Control Panel windows.

For Windows Vista and Windows 7

Connect the DHD-3 using the USB cable and press the PWR button to turn on

the device. Go to the Start Menu → Devices and Printers. The (COM#) next

to “STMicroelectronics Virtual COM Port is the COM Port number Windows

Vista or Windows 7 has assigned for the DHD-3. Make note of the COM#, and

then close the Devices and Printers window.

9

Page 10

G-STAR™ - Installation

STEP 6: Setting the COM Port Number in G-STAR

With the DHD-3 connected and powered on, start G-STAR. Click the Device

icon on the toolbar.

Select the COM Port number identified in Step 5 to link successfully with the

DHD-3. Click OK to continue.

Windows XP Example

Windows Vista/Windows 7 Example

The following message will appear when the DHD-3 Digital Hand

Dynamometer is successfully linked with the G-STAR software. Click OK to

begin using the program.

10

Page 11

G-STAR™ - Installation

To permanently save the selected COM Port number in G-STAR, disconnect the

USB cable and select the correct COM Port number again as described above.

Then click OK. Since the DHD-3 is disconnected, the following message

will be displayed, but the COM port number will be saved to the G-STAR

configuration file (TMK-EDM) and become the default COM Port number. Each

time the DHD-3 is connected, it will link automatically for G-STAR testing and

will display stand-alone test results stored in DHD-3 memory for importing into

the G-STAR database.

11

Page 12

G-STAR™ - Menu and Toolbar Commands

Section 3: Menu and Toolbar Commands

All features of the G-STAR software can be accessed by selecting one of the

five menu items across the top of the screen and then selecting from the list

of pull-down functions. The most common functions are also included on the

Toolbar enabling quick access to the desired feature.

File Menu

• Backup

• Restore

• Exit

Creates a backup copy of the database using the

date as the filename

Replaces current database with a previous backup

copy of the database

Exits the program

Patient Menu

• Registration

• List of Patients

12

Toolbar Icon

Add, edit, delete, and search patient file information

List selected patient information and their test dates

Page 13

G-STAR™ - Menu and Toolbar Commands

Consultation Menu

• Testing

• List of Test

• Research

Toolbar Icons

Maximum Strength Testing and Endurance Testing

Displays individual test results for selected patients

Calculates and displays results for selected groups

of patients and tests

Option Menu

Toolbar Icons

• Device

Selects COM Port for linking with DHD-3 Digital

Hand Dynamometer

• Setting Data

Set default values for searching, testing and

displaying results

• Score Table

Normative grip strength data for comparison during

strength testing *

* For more information, see Appendix A: Score Table

13

Page 14

G-STAR™ - Menu and Toolbar Commands

Help Menu

• About DHD-3 G-STAR

• Saehan Medical on the Web

14

Displays G-STAR software version

Link to www.saehanmedical.com

Page 15

G-STAR™ - Backing Up and Restoring the Database

Section 4: Backing Up and Restoring the Database

Before using G-STAR, it is important to understand where the database and

supporting files are located, and to verify full access to the database. The

database, program files, and database backup files are located in the program

folder selected during installation (Program Files\Saehan Medical\DHD-3

G-STAR).

Creating a Backup of the Current Database

To save a copy of the current database, select File → Backup

Choose a unique file name to save a backup copy of the current database (NX_

DSN). G-STAR can save a copy as “Backup” automatically when exiting

G-STAR (see Section 5 : Setting Data Default Values).

15

Page 16

G-STAR™ - Menu and Toolbar Commands

Restoring a Backup Copy of the Database

To restore a previous copy of the database, select File → Restore

Click OK on the warning message.

Select the file name of a previous backup to restore as the current database or

select the file name “Backup” to restore the most recent copy of the database

if Backup Copy on Exit was set to “Yes” in the Setting Data screen. G-STAR

uses “NX_DSN” as the current database. Click Open to restore the selected

backup copy of the database and begin using as the current database.

Note: If you select Cancel, G-STAR has already disabled access to the current

database in preparation to replace it with a backup copy. Simply exit and restart

G-STAR to re-enable access to the current database again.

16

Page 17

G-STAR™ - Setting Data Default Values

Section 5: Setting Data Default Values

Setting Data is used to modify and save default values for common usage during

testing and when displaying patient information and test results. Some of the

values can be set during testing to different settings as needed, but are not saved

as default values for future testing.

To modify and save default values, select Option → Setting Data or click the

Setting Data toolbar icon.

Select and change the default values as desired, then click Apply and OK.

17

Page 18

G-STAR™ - Setting Data Default Values

• UOM (lb or Kg)

Selects the preferred unit of measure for

testing and display

• Printing unit

Cannot be changed - printing is based on UOM

• Print preview

Disabled – prints screen image directly to

default printer

• Backup Copy on Exit

(Saves to Copies)

Saves the current database to “Backup”

when exiting G-STAR

• Auto Age Calculation

Disabled – all calculations use age at time

of registration

• Recognition Delay

Delay in seconds for prompts to switch

hands during testing

• Recognition Weight

Minimum grip force required to start

recording strength testing

• Strength Testing

Sets hand switching sequence for strength

testing (3 per hand)

• Voice Assistance

Sets voice assistance and testing prompts

on or off

• Default Device

Only DHD-3 Digital Hand Dynamometer is

available

• Set Units to kg/lb

Sets UOM and Unit of Measure for both

test modes

• Min. Grip Force

Sets the minimum grip force required for

endurance testing

• Unit of Measure

Selects either lb. or kg for endurance testing

• Sort Sequence

Selects sort sequence for displaying lists of

patients and tests

• Default Range

Selects default registration date range in

search functions

18

Page 19

G-STAR™ - Patient Registration

Section 6: Patient Registration

Patient Registration is used to add, edit, and delete patient information. New

patients are automatically assigned a unique Code based on the year and month

when first registered combined with a two-digit number incremented from 0099. Existing patient information can be retrieved by their Code or by searching

on a combination of their name, phone number, and remarks.

To access the Patient Registration screen, select Patient → Registration, or

click the Registration toolbar icon.

Adding New Patient Information

Select New to automatically generate the next unique patient Code and then enter

the patient’s information on the right side of the screen. Name, Age, Gender, and

Handedness are required for comparison of strength test results with normative

data in the Score Table and to group patients when using G-STAR for research

studies. Click Save to add the new patient information to the database.

19

Page 20

G-STAR™ - Patient Registration

Editing Patient Information

To modify an existing patient’s information, enter their Code and click the

Search button. You can also enter any combination of their Name, Phone

number, and Remarks and then click Search to display matching results. To

sort the matched results in a different sort sequence, select the Sort option and

click on Search again. Select a specific patient from the list on the left side of

the screen and edit the highlighted patient’s information on the right side of

the screen. Click Save to update changes to the database or Close to close the

Registration screen without updating changes to the database.

Deleting Patient Information

To delete patient information and all their saved test results from the database,

select the specific patient as described above so their information is displayed on

the right side of the screen. Click Delete to delete the patient information from

the database and then click Yes to confirm the deletion.

20

Page 21

G-STAR™ - Patient Registration

Listing Patient Information

List of Patients is used to search for patients and view a summary of their saved

test results. The list of patients is based on the search criteria and can be saved

in a text file for printing and exporting to other programs.

To access the List of Patients screen, select Patient → List of Patients.

To display an existing patient’s information and view a list of their previous test

visits, enter their Code and click Search. You can also enter any combination

of date range when registered, Name, and Phone number and then click Search

to display matching results. To display the matching results in a different sort

sequence, select the Sort option and click Search again. Highlight a specific

patient from the list to view their previous test dates in the lower part of the

screen.

To begin testing a specific patient in the list, highlight their patient information

without closing the List of Patients screen, and then select Consultation →

Testing or click the Testing toolbar icon.

21

Page 22

G-STAR™ - Grip Strength Testing

Section 7: Grip Strength Testing

The G-STAR software automates the Rapid Exchange Testing process. The

process consists of selecting a registered patient for testing, administering the

strength test, and reviewing the test results. Strength testing is performed in

six steps by testing each hand three times hands in the sequence established

in the Setting Data screen. This method provides an accurate measurement of

maximum grip strength for each hand.

Upon completion of the strength test, the Average grip force, Standard Deviation

(SD), and Coefficient of Variation (CV) are calculated and displayed for each

hand. Strength test results are also compared with normative data in the Score

Table based on the patient’s gender, age and dominant hand. Saved test results

can be used to measure patient progress during rehabilitation and can be

included in specific groups for research studies.

To begin the maximum grip strength testing process, select Consultation →

Testing or click on the Testing toolbar icon.

Selecting the Patient

The Select Mode screen is used to select a registered patient and test mode

setting. The patient information will appear if previously highlighted on the List

of Patients screen as previously described.

Select Change Patient to view and select from a list of registered patients.

22

Page 23

G-STAR™ - Grip Strength Testing

The patient can be selected by entering their Code or a combination of Name

and Phone number; then click Search to display matching results. Highlight the

patient to be tested, and click OK.

23

Page 24

G-STAR™ - Grip Strength Testing

Select Max Strength Test and then click Next to continue to the Patient Test

screen.

Note: The normative data in the Score Table is based on Handle Position 2.

Strength Testing

Instruct the patient to exert maximum grip force during the three tests of

each hand using the sequence graphically displayed from left to right as Step

1 through Step 6, and the prompting by the optional voice assistance. The

horizontal red lines indicate the normative range for the patient based on gender,

age, and dominant hand.

24

Page 25

G-STAR™ - Grip Strength Testing

During testing, the grip force is displayed for each hand. The following

commands are available:

• Retry

• Save Image

• Print

• Close

• Back

• Next

Restart the test for this patient

Capture and save an image of the screen

Print an image of the screen to the default printer

Close the screen without saving

Return to the Select Mode screen

Continue to the Consultation screen

25