Leech Therapy Device Conduit and Cutout Design
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Solution Overview
Problem
Existing methods for administering medicinal leech therapy are inefficient, as they require manual steering of leeches, risk leech migration, and demand continuous supervision, leading to time consumption and patient discomfort, with makeshift contraptions lacking specificity and durability.
Innovation Solution
A leech therapy device featuring a flexible conduit with a cutout for the leech to attach to a wound site, secured by an elastic band and removable closure, allowing hands-free application and preventing migration, with a design adaptable to various wound sites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual steering of leeches is used, then the leech can be placed near the wound site, but it consumes time and requires continuous supervision
Solution Approach 1:
The device enables the leech to autonomously navigate to the wound site through the conduit without requiring manual steering by medical staff. The leech self-propels itself using its peristaltic motion, eliminating the need for continuous human intervention and supervision during the attachment process.
Solution Approach 2:
The conduit is pre-positioned and secured to the patient's body before introducing the leech. The cutout is strategically located at the appropriate position, so when the leech is introduced into the conduit, it automatically finds the wound site without requiring real-time manual guidance, thereby reducing time consumption.
2Ease of operation
If manual steering of leeches is used, then the leech can be placed near the wound site, but it increases the risk of leech migration
Solution Approach 1:
The device enables the leech to autonomously navigate to the wound site through the conduit without requiring manual steering by medical staff. The leech self-propels itself using its peristaltic motion, eliminating the need for continuous human intervention and supervision during the attachment process.
Solution Approach 2:
The conduit acts as an intermediary structure that guides and constrains the leech's movement. The leech travels through the confined space of the conduit to reach the wound site, and the elastic band secures the conduit to the patient's body, preventing the leech from migrating away from the treatment area.
3Ease of manufacture
If makeshift contraptions are used, then leech attachment can be achieved, but they lack durability and specificity
Solution Approach 1:
The device uses an elastic band with specific elastic properties that can stretch to accommodate the conduit and secure it firmly to the patient's body. The elasticity parameter allows the device to maintain secure attachment during the leech feeding process while being flexible enough for comfortable patient wear, thereby improving reliability and durability.
Solution Approach 2:
The device combines multiple materials with different properties: a flexible conduit material that allows leech passage, an elastic band material that provides secure attachment, and a cutout structure that enables precise positioning. This composite construction ensures both durability and specificity for different wound sites.
4Reliability
If continuous supervision is required, then leech migration can be prevented, but staff workload increases
Solution Approach 1:
The device enables the leech to autonomously navigate to the wound site through the conduit without requiring manual steering by medical staff. The leech self-propels itself using its peristaltic motion, eliminating the need for continuous human intervention and supervision during the attachment process.
Solution Approach 2:
The conduit acts as an intermediary structure that guides and constrains the leech's movement. The leech travels through the confined space of the conduit to reach the wound site, and the elastic band secures the conduit to the patient's body, preventing the leech from migrating away from the treatment area.
Data Source
AI summary
A leech therapy device adapted to latch a medicinal leech to a predetermined wound site is provided. The leech therapy device includes a conduit extending between a first end to a second end; an inner diameter of the conduit dimensioned to receive a medicinal leech, the inner diameter being less than twice a girth of the medicinal leech; and a cutout provided in the conduit closer to the first end than the second end; the cutout extending over a surface area between 100 and 150 squared millimeters. Wherein a user places a medicinal leech into the inner diameter, wherein a head of the medicinal leech is adjacent to the cutout, and then the user selectively positions said leech therapy device so that the cutout substantially circumscribed the wound site so that the medicinal leech can engage the wound site.