Precise Medicine Delivery Device with Priming Control
This patent describes a device for accurately measuring and delivering liquid medicine, using a special mechanism to control how a plunger moves during both initial setup and actual delivery.
Original patent title: “Devices and methods for precision dose delivery”
This patent describes a device for accurately measuring and delivering liquid medicine, using a special mechanism to control how a plunger moves during both initial setup and actual delivery. Granted in 2026.
Coverage
What does this patent actually cover?
This device is designed to deliver a specific amount of liquid medicine or other fluid with high accuracy. It includes a main body that holds the liquid, and a plunger rod that pushes a stopper inside the body. The key feature is a special component that precisely controls the forward movement (distal movement) of the plunger rod. This control happens during two distinct phases: a 'priming step' to prepare the device, and a 'subsequent delivery step' to dispense the medicine. This two-step regulation ensures that the device is accurately prepared and then delivers the exact predetermined volume. For example, an insulin pen could use this technology to ensure each dose is consistently accurate, reducing the risk of under- or over-dosing.
The gap
What does this patent NOT cover?
- Does not cover devices that deliver medicine as a continuous drip without distinct priming and delivery steps controlled by a plunger.
- Does not cover devices where the dose is determined by factors other than the controlled distal movement of a plunger rod pushing a stopper.
- Does not cover devices that lack a specific component designed to regulate the plunger rod's movement during both a priming step and a delivery step.
- Does not cover drug delivery systems that rely on gravity, pumps, or other mechanisms without a physical plunger rod and stopper for dispensing.
- Does not cover devices where the 'predetermined volume' is not achieved through the precise regulation of plunger rod movement.
These exclusions are unique to PatentBrief — derived from the actual claim language, not patent-office boilerplate.
Key facts
What made this novel
The clever part is the component that regulates the plunger rod's movement during both the initial 'priming step' and the 'delivery step.' This dual-stage regulation ensures accuracy from the very beginning, preventing issues like air bubbles or incomplete initial fills from affecting the final dispensed dose, which was a common challenge in earlier designs.
Schematic visualization of the patent's claim structure. Hand-drawn diagrams in progress for each landmark patent.
Where you've seen this
Real-world examples
Insulin pens
Growth hormone pens
Self-injection devices for biologics
Auto-injectors for emergency medications
Syringe pumps with precise volume control
Why it matters
The bigger picture
Accurate drug delivery is crucial in many medical treatments, especially for conditions like diabetes where precise insulin doses are vital. Errors in dosage can lead to serious health complications. This technology aims to improve patient safety and treatment effectiveness by ensuring consistent and exact delivery of medication, which can reduce the burden on healthcare providers and patients.
Filed
August 1, 2022
Granted
September 15, 2026
Market context
Who's building on this
Companies in this space
Major pharmaceutical companies and medical device manufacturers are continuously developing and refining precision dose delivery systems. Companies like Novo Nordisk, Eli Lilly, Sanofi, and Becton Dickinson (BD) are active in this space, focusing on improving the accuracy, ease of use, and safety of self-administration devices for chronic conditions. Startups in drug delivery technology also frequently innovate in this area, seeking to enhance patient adherence and therapeutic outcomes.
Market impact
This type of invention contributes to the ongoing evolution of drug delivery, particularly for self-administered medications. Improved precision helps build patient trust and reduces medication errors, which can lead to better health outcomes and lower healthcare costs associated with complications from incorrect dosing. It enables the development of more reliable and user-friendly injection devices, expanding the market for at-home treatment options and supporting the growth of biologics and other high-value drug therapies.
Claim 1 — Plain English
What this patent covers
This device is designed to deliver a specific amount of liquid medicine or other fluid with high accuracy. It includes a main body that holds the liquid, and a plunger rod that pushes a stopper inside the body. The key feature is a special component that precisely controls the forward movement (distal movement) of the plunger rod. This control happens during two distinct phases: a 'priming step' to prepare the device, and a 'subsequent delivery step' to dispense the medicine. This two-step regulation ensures that the device is accurately prepared and then delivers the exact predetermined volume. For example, an insulin pen could use this technology to ensure each dose is consistently accurate, reducing the risk of under- or over-dosing.
The clever bit
The clever part is the component that regulates the plunger rod's movement during both the initial 'priming step' and the 'delivery step.' This dual-stage regulation ensures accuracy from the very beginning, preventing issues like air bubbles or incomplete initial fills from affecting the final dispensed dose, which was a common challenge in earlier designs.
What it does not cover
- Does not cover devices that deliver medicine as a continuous drip without distinct priming and delivery steps controlled by a plunger.
- Does not cover devices where the dose is determined by factors other than the controlled distal movement of a plunger rod pushing a stopper.
- Does not cover devices that lack a specific component designed to regulate the plunger rod's movement during both a priming step and a delivery step.
- Does not cover drug delivery systems that rely on gravity, pumps, or other mechanisms without a physical plunger rod and stopper for dispensing.
- Does not cover devices where the 'predetermined volume' is not achieved through the precise regulation of plunger rod movement.
Patent timeline
Application submitted to the patent office
Patent officially issued
PatentBrief Score
Impact Score
Early stage
Citation count
0/40
No citations yet
Claim breadth
0/20
Narrow claimsclaimsThe numbered statements at the end of a patent that legally define what the inventor owns.Read more →
Recency
20/20
Granted within 5 years
Assignee scale
0/20
Independent or smaller assigneeassigneeThe entity that owns the patent — usually the inventor's employer or a company.Read more →
PatentBrief Impact Score — based on citation count, claim breadth, recency, and assignee scale. Not a legal assessment.
Heuristic Value Estimate
What this patent might be worth
$26K – $84K
Midpoint $53K · 15.8 yr remaining · industry ×2.2
Heuristic only — blends forward/backward citation counts, claim scope, time remaining, litigation history, and CPC-derived industry baseline. Real valuations need a professional appraisal.
Claim text not yet imported for this patent
Concepts involved
Cite this patent
(2026). Precise Medicine Delivery Device with Priming Control (U.S. Patent No. 12,734,300). U.S. Patent and Trademark Office. https://patentbrief.org/patent/us/12734300/devices-and-methods-for-precision-dose-delivery
Auto-generated from the patent record. Double-check author order and the issue date against the official USPTO document before submitting.
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Common Questions
Frequently Asked Questions
What does Precise Medicine Delivery Device with Priming Control cover?
This patent describes a device for accurately measuring and delivering liquid medicine, using a special mechanism to control how a plunger moves during both initial setup and actual delivery.
When does this patent expire?
This patent is expected to expire on September 15, 2046, when the invention enters the public domain.
What problem does this patent solve?
Accurate drug delivery is crucial in many medical treatments, especially for conditions like diabetes where precise insulin doses are vital. Errors in dosage can lead to serious health complications. This technology aims to improve patient safety and treatment effectiveness by ensuring consistent and exact delivery of medication, which can reduce the burden on healthcare providers and patients.
What does this patent NOT cover?
Does not cover devices that deliver medicine as a continuous drip without distinct priming and delivery steps controlled by a plunger.
Patent monitoring