Polydioxanone
Polydioxanone - Related Videos
10:09
Tensile Strength of Resorbable Biomaterials
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2023
Source: Peiman Shahbeigi-Roodposhti and Sina Shahbazmohamadi, Biomedical Engineering Department, University of Connecticut, Storrs, Connecticut For over 4000 years, sutures have been used as a medical intervention. The earliest records indicate linen was the biomaterial of choice. Catgut, which is still in use today, was reportedly used to treat gladiators around 150 AD. Today, there are numerous materials being used for sutures. Sutures are classified by their composition (natural or...
11:58
A Protocol for Roux-en-Y Gastric Bypass in Rats using Linear Staplers
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Cited by 1 •
2021
Roux-en-Y gastric bypass (RYGB) is performed to treat obesity and diabetes. However, the mechanisms underlying RYGB's efficacy are not fully understood, and studies are limited by technical difficulty leading to high mortality in animal models. This article provides instructions on how to perform RYGB in rats with high success rates.
08:58
Development of a Uterosacral Ligament Suspension Rat Model
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Cited by 3 •
2022
Pelvic organ prolapse affects millions of women worldwide and yet some common surgical interventions have failure rates as high as 40%. The lack of standard animal models to investigate this condition impedes progress. We propose the following protocol as a model for uterosacral ligament suspension and in vivo tensile testing.
11:53
Laparoscopic Oocyte Retrieval and Cryopreservation during Vaginoplasty for Treatment of Mayer-Rokitansky-Kuster-Hauser Syndrome
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A dedicated team can offer Mayer-Rokitansky-Kuster-Hauser patients the option to perform controlled ovarian stimulation and oocyte cryopreservation at the time of laparoscopic vaginoplasty.
05:36
Laparoscopic Common Bile Duct Exploration Followed by Primary Suture Using a Modified Bile Duct Incision
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Cited by 1 •
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Cholecystolithiasis with common bile duct stones is a common disease; however, traditional common bile duct exploration has its own limitations. We propose a modified micro incision for laparoscopic common bile duct exploration aimed at reducing complication rates.
FAQs
Hydrolysis acts on the ester bonds in polydioxanone when water is present. As those bonds cleave, the polymer chains become shorter, which progressively changes the material rather than causing an immediate loss of function. This molecular process explains why engineers can pair initial structural performance with later disappearance in applications requiring temporary support.
The key engineering consequence is a gradual decline in mechanical integrity. A polydioxanone component can provide support while the surrounding repair or engineered system develops, then lose that role as chain cleavage proceeds. This staged transition distinguishes it from a structure intended to remain permanently and avoids designing around permanent material retention.
Strength and flexibility are important together because a temporary component must function before degradation becomes substantial. In polydioxanone, these properties support use where the material must accommodate engineered demands during an interim period, while hydrolytic breakdown provides a later exit pathway. Designers therefore consider early mechanical performance and eventual loss of integrity together.
After hydrolysis has cleaved the chains, polydioxanone can continue toward smaller products that the body can process. This outcome is central to absorbable designs: the material's disappearance is part of the intended system behavior rather than a failure requiring retrieval. The same principle supports investigation of temporary biomedical structures beyond sutures.
Absorbable surgical sutures are a prominent engineering application because they need to maintain closure during healing without becoming a permanent implanted structure. Polydioxanone's combination of strength, flexibility, and gradual hydrolysis allows the suture to provide temporary mechanical support. As the polymer loses integrity, the design can avoid a later procedure solely to remove the material.
Beyond sutures, researchers investigate polydioxanone for biomedical devices, tissue-engineering scaffolds, and controlled drug delivery. Across these uses, the relevant design feature is adjustable degradation behavior combined with temporary support. The polymer is therefore considered when an engineered structure or delivery system should perform during a defined phase and then progressively break down rather than persist indefinitely.