Dual-Housing Vacuum Pump Silencing for Surgical Noise Reduction
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Solution Overview
Problem
Vacuum pumps used in medical procedures generate significant noise, which can be disruptive to the surgical environment and affect the comfort of surgeons and personnel.
Innovation Solution
A dual-housing system with integrated silencers and tubular magnets is used to house the vacuum pump, where the silencers are oriented transversely and offset to reduce noise transmission, and the tubular magnets capture ferrous particles, enhancing noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a vacuum pump is used during surgical procedures, then vacuum function is provided for fluid collection and bone cement preparation, but noise is generated that disrupts the surgical environment
Solution Approach 1:
The vacuum pump system is divided into separate functional modules: a first housing containing the vacuum pump assembly and a second housing containing the silencer components. This segmentation allows the noise-generating vacuum pump to be isolated from the surgical environment while maintaining its vacuum function through connected hoses.
Solution Approach 2:
Silencers are introduced as intermediary components between the vacuum pump and the surgical environment. These silencers, positioned in the second housing, act as mediators that allow vacuum transmission while blocking and attenuating noise propagation to the surgical field.
2Object-affected harmful factors
If silencers are added to reduce vacuum pump noise, then noise transmission is reduced, but device complexity increases
Solution Approach 1:
The first housing is nested within the second housing, creating a compact dual-housing structure. The silencers are positioned within the cavity formed by these nested housings, allowing multiple noise-reduction components to be integrated in a space-efficient manner without proportionally increasing overall device complexity.
Solution Approach 2:
The first and second housings are merged into an integrated assembly where the vacuum pump housing and silencer housing are combined structures. This merging approach consolidates multiple functions (vacuum generation and noise reduction) into a single unified device, reducing the number of separate components that would otherwise be required.
3Object-affected harmful factors
If tubular magnets are added to capture ferrous particles, then noise reduction is enhanced, but manufacturing complexity increases
Solution Approach 1:
The tubular magnets are positioned within the silencer structure to automatically capture ferrous particles in the air stream passing through the housing. This self-service mechanism requires no external control systems or complex assembly procedures, as the magnets passively perform particle capture based on their magnetic properties, simplifying both manufacturing and operation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively reduces vacuum pump noise, creating a more tolerable working environment for medical personnel by minimizing noise disturbances during surgical procedures.
Implementation Method 1
The second silencer can include a plurality of silencers. The first silencer or tubular magnet can be offset a distance from the second silencer in a direction that is substantially transverse to the longitudinal axis of the first silencer or tubular magnet and the longitudinal axis of the second silencer
Data Source
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AI summary
An apparatus for applying a vacuum during a surgical procedure can include a vacuum pump assembly having a port, a first housing, a second housing, a first silencer or tubular magnet and a second silencer. The first housing can define a first cavity receiving the vacuum pump assembly therein. A portion of the first housing can be formed by a portion of the port. The second housing can define a second cavity receiving the first housing therein. A portion of the second housing can be formed by a second portion of the port. The first silencer or tubular magnet can be coupled to the first housing and can have a longitudinal extent along a longitudinal axis. The first silencer or tubular magnet can extend from the first housing within the second cavity. The second silencer can be coupled to the second housing and can have a longitudinal extent along a longitudinal axis. The second silencer can extend from the second housing within second cavity.