Catheter Holder Linear Shape Stabilization
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Solution Overview
Problem
Catheters, particularly image diagnosis catheters, experience bending tendencies when stored in holder tubes, leading to kinking of drive shafts and unintentional loading of components, which can result in damage and compromised operability during use.
Innovation Solution
A catheter holder with an attachment section, support section, and fixing section that stabilizes the outer tube, preventing bending and maintaining the catheter in a linear shape, along with a length adjustment part for convenient priming and a medical instrument holding feature for compact storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the catheter is stored in a holder tube with the sheath wound around it, then the catheter is protected and easy to handle during transportation, but the outer tube develops a bending tendency that can cause the drive shaft to kink during use
Solution Approach 1:
The invention applies preliminary action by pre-shaping the outer tube into a linear configuration using a support rod before final packaging. This pre-formed linear state counteracts the bending tendency that would otherwise develop during storage and use, preventing drive shaft kinking without requiring complex holder tube designs.
Solution Approach 2:
The support rod serves as an intermediary element that maintains the outer tube in a linear state during packaging and storage. This intermediate support structure prevents the outer tube from developing bending tendencies, thereby protecting the drive shaft from kinking while allowing the catheter to be packaged in a compact manner.
2Ease of operation
If the hub or connector is not firmly held after removal from packaging, then the catheter is easy to operate, but unintentional loads can cause damage to the drive shaft
Solution Approach 1:
The invention applies preliminary action by pre-positioning and securing the hub and connector in a fixed relationship with the outer tube using the support rod before removal from packaging. This preliminary securing prevents unintentional loads during the critical period after packaging removal but before actual use, while allowing easy operation once the catheter is in use.
Solution Approach 2:
The support rod provides beforehand cushioning by maintaining the hub and connector in a stabilized position relative to the outer tube. This pre-established support structure protects against unintentional loads that could damage the drive shaft, while not interfering with normal operation once the catheter is deployed.
3Volume of moving object
If the outer tube is allowed to bend during storage, then the catheter can be compactly packaged, but correcting the bending tendency imposes excessive operating burden on the user
Solution Approach 1:
The invention applies preliminary action by pre-forming the outer tube into a linear configuration using the support rod during packaging. This eliminates the need for users to perform time-consuming bending correction operations, while still allowing the catheter to be packaged in a compact and organized manner.
Solution Approach 2:
The support rod enables self-service by automatically maintaining the outer tube in a linear state during packaging and storage without requiring user intervention. The catheter arrives pre-configured in the correct shape, eliminating the need for users to spend time correcting bending tendencies before use.
Data Source
AI summary
A catheter holder includes an attachment section configured to be attachable to a holder tube that accommodates at least a portion of a sheath of an image diagnosis catheter in a wound state, a support section extending from the attachment section in a direction away from the wound holder tube, and a fixing section provided on a second end side of the support section, which is opposite to a first end side of the support section on which the attachment section is provided, and configured to fix a unit connector and a hub of the image diagnosis catheter to hold the outer tube, which is exposed from an opening portion of the holder tube, in a linear shape to be fixed in position.