An ad hoc three dimensionally printed tool facilitates intraesophageal suturing in experimental surgery

Steinemann, Daniel C.; Müller, Philip C.; Apitz, Martin; Nickel, Felix; Kenngott, Hannes; Linke, Georg R.

doi:10.1016/j.jss.2017.10.026

Cited by 10 publications

(8 citation statements)

References 23 publications

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“…The surgical relevance of 3D printed models using PLA has been illustrated by a great number of studies describing self-produced prototypes. For example, PLA-based space holders designed for esophageal retraction demonstrated adequate functionality in porcine models [58] . The space holders widened the aperture of the esophagus to provide enhanced exposure of lesions [58] .…”

Section: Applicationsmentioning

confidence: 99%

“…For example, PLA-based space holders designed for esophageal retraction demonstrated adequate functionality in porcine models [58] . The space holders widened the aperture of the esophagus to provide enhanced exposure of lesions [58] . The larger field of view aided suture placement, which could potentially lead to higher quality closure of wounds.…”

Section: Applicationsmentioning

confidence: 99%

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Applications of PLA in modern medicine

DeStefano

Khan

Tabada

2020

Engineered Regeneration

299

197

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Polylactic acid (PLA) is a versatile biopolymer. PLA is synthesized with ease from abundant renewable resources and is biodegradable. PLA has shown promise as a biomaterial in a plethora of healthcare applications such as tissue engineering or regenerative medicine, cardiovascular implants, dental niches, drug carriers, orthopedic interventions, cancer therapy, skin and tendon healing, and lastly medical tools / equipment. PLA has demonstrated instrumental importance as a three-dimensionally (3D) printable biopolymer, which has further been bolstered by its role during the Coronavirus Disease of 2019 (Covid-19) global pandemic. As an abundant filament, PLA has created desperately needed personal protective equipment (PPE) and ventilator modifications. As polymer chemistry continues to advance, so too will the applications and continued efficacy of PLA-based modalities.

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Section: Applicationsmentioning

confidence: 99%

Section: Applicationsmentioning

confidence: 99%

Applications of PLA in modern medicine

DeStefano

Khan

Tabada

2020

Engineered Regeneration

299

197

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“…Fig. 4d shows a space holder proposed by Steinemann et al [59], which was used to better expose the esophagus wall during the suturing phase of mucosectomy, a partial resection of the bowel wall, and enhance the final result.…”

Section: Author(s) Publication Year Clinical Application Classificationmentioning

confidence: 99%

“…4. Examples of "conventional specific-purpose" instruments: (a) sketch of reciprocating syringe by Rothenberg et al [47]; (b) CAD of measuring tool designed by Walker et al to choose the appropriate probe for lumpectomy procedure [57]; (c) caps designed to be added to a conventional gastroscope to perform different types of biopsies [56]; (d) retractors for distal esophageal mucosectomy [59]. Fig.…”

Section: Unconventional General-purpose Instrumentsmentioning

confidence: 99%

Additive manufacturing of medical instruments: A state-of-the-art review

Culmone

Smit

Breedveld

2019

Additive Manufacturing

206

119

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Additive manufacturing, also known as 3D printing, has begun to play a significant role in the field of medical devices. This review aims to provide a comprehensive overview and classification of additively manufactured medical instruments for diagnostics and surgery by identifying medical and technical aspects. Methods: A scientific literature search on additively manufactured medical instruments was conducted using the Scopus database. Results: We categorized the relevant articles ( 71) by considering the novelty of each proposed instrument and its clinical application. Then, we analyzed the relevant articles by examining the reasons behind choosing additive manufacturing technology to produce instruments for diagnostics and surgery. Possible customization (27%) and Cost-effectiveness (23%) were the main reasons expressed. Technical specifications of the additive manufacturing technology and the material used were also analyzed, and a tendency of using material extrusion technology (35% of the applications) and polymeric materials (86% of the applications) was shown. Conclusions: Additive manufacturing is opening the door to a new approach in the production of medical devices, which allows the complexity of their designs to be pushed to the extreme. However, we found that technical limitations need to be tackled and important aspects such as sterilization or debris contamination are still not considered to be relevant factors during the design and fabrication process. Keeping in mind the challenges of such a new field, additive manufacturing technology can be considered as a great opportunity to provide easy access to healthcare in developing countries as well as an important step toward patient-specific medicine.

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“…Using an ad hoc 3D-printed adapter, a common heat and moisture exchange (HME) respiratory filter could be installed on top of the mask to filter pathogens and allow a clean airflow ( Figure 1 ). Ad hoc 3D printing has enabled the rapid prototyping of solutions in different situations in surgical research with a quick production, highly adaptive modelling, and independence from industrial partners [ 7 ]. This has become a popular subject during the COVID-19 pandemic, due to the shortages of PPE and other material in hospitals.…”

Section: Introductionmentioning

confidence: 99%

Surgical Performance Is Not Negatively Impacted by Wearing a Commercial Full-Face Mask with Ad Hoc 3D-Printed Filter Connection as a Substitute for Personal Protective Equipment during the COVID-19 Pandemic: A Randomized Controlled Cross-Over Trial

Felińska

Chen

Fuchs

et al. 2021

JCM

Self Cite

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(1) Background: During the COVID-19 pandemic, shortages in the supply of personal protective equipment (PPE) have become apparent. The idea of using commonly available full-face diving (FFD) masks as a temporary solution was quickly spread across social media. However, it was unknown whether an FFD mask would considerably impair complex surgical tasks. Thus, we aimed to assess laparoscopic surgical performance while wearing an FFD mask as PPE. (2) Methods: In a randomized-controlled cross-over trial, 40 laparoscopically naive medical students performed laparoscopic procedures while wearing an FFD mask with ad hoc 3D-printed connections to heat and moisture exchange (HME) filters vs. wearing a common surgical face mask. The performance was evaluated using global and specific Objective Structured Assessment of Technical Skills (OSATS) checklists for suturing and cholecystectomy. (3) Results: For the laparoscopic cholecystectomy, both global OSATS scores and specific OSATS scores for the quality of procedure were similar (Group 1: 25 ± 4.3 and 45.7 ± 12.9, p = 0.485, vs. Group 2: 24.1 ± 3.7 and 43.3 ± 7.6, p = 0.485). For the laparoscopic suturing task, the FFD mask group needed similar times to the surgical mask group (3009 ± 1694 s vs. 2443 ± 949 s; p = 0.200). Some participants reported impaired verbal communication while wearing the FFD mask, as it muffled the sound of speech, as well as discomfort in breathing. (4) Conclusions: FFD masks do not affect the quality of laparoscopic surgical performance, despite being uncomfortable, and may therefore be used as a substitute for conventional PPE in times of shortage—i.e., the global COVID-19 pandemic.

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An ad hoc three dimensionally printed tool facilitates intraesophageal suturing in experimental surgery

Abstract: 3DP in experimental surgery enables rapid production, permits repeated adaptation until a tailored tool is obtained, and ensures independence from industrial partners. With the aid of the space holder more orally located esophageal lesions came within reach.

Cited by 10 publications

References 23 publications

Applications of PLA in modern medicine

Applications of PLA in modern medicine

Additive manufacturing of medical instruments: A state-of-the-art review

Surgical Performance Is Not Negatively Impacted by Wearing a Commercial Full-Face Mask with Ad Hoc 3D-Printed Filter Connection as a Substitute for Personal Protective Equipment during the COVID-19 Pandemic: A Randomized Controlled Cross-Over Trial

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