Medication Delivery Device with Guiding Element and Volume Limiter
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current medication administration methods face challenges such as difficulty in accurate dosing under adverse conditions, risk of needle damage and contamination, and complexity in use, particularly for individuals with limited training or in emergency situations.
Innovation Solution
A medication delivery device comprising a syringe with a built-in needle, a guiding element for secure vial access, and a volume limiter to ensure correct dosage without relying on syringe graduations, featuring a safety sleeve to protect the needle and simplify the administration process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a user uses current approaches to administer medication, then the user can access and inject medication using the same needle, but the needle may be damaged, cause damage to others, or become contaminated
Solution Approach 1:
The device separates the needle into two functional phases: a first needle for accessing medication from the vial, and a second needle for injecting the medication. This segmentation allows the first needle to be discarded after vial access, eliminating the risk of damage or contamination to reusable needles, while the second needle is pre-attached and ready for safe injection.
Solution Approach 2:
The second needle is pre-attached to the syringe before the user begins the medication administration process. This preliminary preparation ensures that the injection needle is already in place and sterile, eliminating the need for the user to handle or attach needles during the procedure, thereby preventing accidental sticks and contamination.
2Ease of operation
If a user uses current approaches to access vial medication, then the user can draw medication with a standard syringe, but the user must properly center the needle in three dimensions and push all the way through the septum while taking care not to blunt the needle
Solution Approach 1:
A guiding element is introduced as an intermediary tool between the user and the vial. This guiding element includes a positioning mechanism that automatically centers the first needle in three dimensions and controls the depth of insertion through the septum. The guiding element protects the needle from blunting or bending by providing a stable, pre-positioned structure during vial access.
Solution Approach 2:
The guiding element is designed to self-position and self-align the needle during vial access. The positioning mechanism automatically ensures correct needle orientation and depth without requiring the user to exercise fine motor skills or visual precision, making the process accessible to individuals with limited training.
3Ease of operation
If a user uses current approaches to administer medication, then the user can draw a dose with a standard syringe, but the user must push air into the vial to relieve the vacuum and draw back while watching the graduations
Solution Approach 1:
A volume limiter is introduced as an intermediary device between the syringe and the medication vial. This volume limiter includes a movable member that automatically controls the amount of medication drawn into the syringe. The movable member engages with the syringe plunger to prevent overfilling, eliminating the need for the user to watch graduations or manually control the draw volume.
Solution Approach 2:
The volume limiter automatically measures and limits the medication volume drawn into the syringe without requiring user intervention or visual monitoring. The movable member self-regulates the draw volume by engaging with the syringe plunger at the correct position, providing accurate dosing with minimal user skill required.
4Productivity
If a user uses current approaches to administer medication, then the user can use the same needle to access and extract medication from the vial and inject it, but damaged and contaminated needles necessitate changing the needle before injecting
Solution Approach 1:
The device divides the needle function into two separate needles: a disposable first needle for vial access that is discarded after use, and a pre-attached second needle for injection that is already sterile and ready. This segmentation eliminates the need to change needles between vial access and injection, saving time and ensuring continuous sterility.
Solution Approach 2:
The second injection needle is pre-attached to the syringe before the user begins the procedure. This preliminary preparation ensures that the injection needle is already in place, sterile, and ready for immediate use, eliminating the time-consuming step of changing needles between vial access and injection.
Data Source
AI summary
Systems, methods and devices for administering medication are disclosed. One or more embodiments of a medication delivery device may include a syringe, a needle, a guiding element, and a volume limiter for limiting the amount of medication that can be drawn from a vial. At least one method for administering medication using a medication delivery device, may include: inserting a vial into a guiding element, drawing back on a plunger, removing the guiding element and the vial from a needle to expose the needle, inserting the needle into a patient, depressing the plunger to inject the medication into the patient, and withdrawing the medication delivery device from the patient.