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Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²) Velocity of liquid in syringe needle (cm/min) v = 40/ (60** d²)

Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²) Velocity of liquid in syringe needle (cm/min) v = 40/ (60** d²)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Experiment 1 The Performance of Syringe Injection Pump Experiment object: Knowledge of the performance of the syringe injection pump and its calculations Syringe injection pumps are used for the slow injection of drugs. These devices are also used for injection of blood components, such as plasma. Figures below illustrate the syringe injection pump and its parts. All fusion syringe pump systems have a single lead screw threaded through a pusher block. The pusher block moves when the lead screw turns. The two guide rods keep the pusher block horizontal and perfectly perpendicular to the lead screw. The block- release button disengages the pusher block from the lead screw. Move the pusher block to a new position by holding down the button. Releasing the button will lock the pusher block back in place. Place the syringes on the syringe-holder block in the v-shaped grooves, or channels, and hold securely using syringe clamps. It may be used one or more syringe channels. The safety collar of the Fusions helps protect the integrity of the syringes by keeping the pusher block from pushing on a completely depressed syringe. The amount of the liquid that injected is arranged by the speed of the stepper motor that connected directly with screw or by gears and the sizes of the syringe and their dimensions. Experiment Data Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²) Velocity of liquid in syringe needle (cm/min) v₁ = 4Q/ (60** d²) Find the rotation velocity of lead screw n and the velocity of liquid in syringe needle if the required injection dose is 1. 10 cm³ in 3 hours (continuous injection) 2. 20 cm³ in 12 hours (discontinuous injection, 5 cm³ each 3 hour, injection time = 1 min). Discus the results briefly.
Transcribed Image Text:Experiment 1 The Performance of Syringe Injection Pump Experiment object: Knowledge of the performance of the syringe injection pump and its calculations Syringe injection pumps are used for the slow injection of drugs. These devices are also used for injection of blood components, such as plasma. Figures below illustrate the syringe injection pump and its parts. All fusion syringe pump systems have a single lead screw threaded through a pusher block. The pusher block moves when the lead screw turns. The two guide rods keep the pusher block horizontal and perfectly perpendicular to the lead screw. The block- release button disengages the pusher block from the lead screw. Move the pusher block to a new position by holding down the button. Releasing the button will lock the pusher block back in place. Place the syringes on the syringe-holder block in the v-shaped grooves, or channels, and hold securely using syringe clamps. It may be used one or more syringe channels. The safety collar of the Fusions helps protect the integrity of the syringes by keeping the pusher block from pushing on a completely depressed syringe. The amount of the liquid that injected is arranged by the speed of the stepper motor that connected directly with screw or by gears and the sizes of the syringe and their dimensions. Experiment Data Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²) Velocity of liquid in syringe needle (cm/min) v₁ = 4Q/ (60** d²) Find the rotation velocity of lead screw n and the velocity of liquid in syringe needle if the required injection dose is 1. 10 cm³ in 3 hours (continuous injection) 2. 20 cm³ in 12 hours (discontinuous injection, 5 cm³ each 3 hour, injection time = 1 min). Discus the results briefly.
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