Philipp Honigmann
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View article: Patient-specific lunate prosthesis with perilunate ligament reconstruction: surgical technique
Patient-specific lunate prosthesis with perilunate ligament reconstruction: surgical technique Open
The lunate bone plays a central role in force transmission, proximal carpal row integrity, and kinematics of the wrist. In cases of irreparable pathologies to the lunate bone, prosthetic replacement is appealing to avoid salvage procedures…
View article: From the Freezer to Implant: Does Cadaver Freezing Affect the Accuracy of 3D-Printed Scaphoid Prosthesis Models?
From the Freezer to Implant: Does Cadaver Freezing Affect the Accuracy of 3D-Printed Scaphoid Prosthesis Models? Open
Background: Cadaveric specimens used in research are commonly frozen when stored and may undergo multiple freeze–thaw cycles during experimental procedures. To streamline workflows and minimize potential tissue degradation from repeated th…
View article: Comparative CT-Based Assessment of Volume and Shape Differences of a Scaphoid from a Frozen and Thawed Cadaver Arm for Scaphoid Prosthesis Modeling
Comparative CT-Based Assessment of Volume and Shape Differences of a Scaphoid from a Frozen and Thawed Cadaver Arm for Scaphoid Prosthesis Modeling Open
Purpose: Cadavers for research purposes are often stored deep frozen and often thawed and frozen multiple times in an experimental setting. To avoid repeated thawing and freezing, which could affect tissue quality, we investigated the feas…
View article: Production time and practicability of 3D-Printed wrist orthoses versus low temperature thermoplastic wrist orthoses
Production time and practicability of 3D-Printed wrist orthoses versus low temperature thermoplastic wrist orthoses Open
Introduction In recent years, three-dimensional (3D) printing has emerged as a new manufacturing technique for orthoses, showing comparable stability and wearing comfort to traditional orthoses. However, the lengthy designing and printing …
View article: Three-Dimensional Analysis of the First Metacarpal Axes in Healthy Individuals and Early-Stage Thumb Carpometacarpal Osteoarthritis Patients—Potential Implication on First Metacarpal Corrective Osteotomy
Three-Dimensional Analysis of the First Metacarpal Axes in Healthy Individuals and Early-Stage Thumb Carpometacarpal Osteoarthritis Patients—Potential Implication on First Metacarpal Corrective Osteotomy Open
Background: Numerous anatomical features of the first carpometacarpal (CMC I) joint have been investigated as potential predispositions for CMC I osteoarthritis (OA). Even though load transmission through the CMC I joint—and, therefore, th…
View article: Patient-specific implants made of 3D printed bioresorbable polymers at the point-of-care: material, technology, and scope of surgical application
Patient-specific implants made of 3D printed bioresorbable polymers at the point-of-care: material, technology, and scope of surgical application Open
Background Bioresorbable patient-specific additive-manufactured bone grafts, meshes, and plates are emerging as a promising alternative that can overcome the challenges associated with conventional off-the-shelf implants. The fabrication o…
View article: Comparative CT-Based Assessment of Segmentation Accuracy and Volumetric Variability in Scaphoids from Frozen and Thawed Cadaver Arms for Scaphoid Prosthesis Modeling
Comparative CT-Based Assessment of Segmentation Accuracy and Volumetric Variability in Scaphoids from Frozen and Thawed Cadaver Arms for Scaphoid Prosthesis Modeling Open
Purpose Cadavers for research purposes are often stored deep frozen. To avoid repeated thawing and freezing, which could affect tissue quality, we investigated the feasibility of using a frozen and thawed cadaver wrist to model a scaphoid …
View article: Extension osteotomy of the metacarpal I and ligamentoplasty of the trapeziometacarpal joint for the treatment of early-stage osteoarthritis and instability of the trapeziometacarpal joint
Extension osteotomy of the metacarpal I and ligamentoplasty of the trapeziometacarpal joint for the treatment of early-stage osteoarthritis and instability of the trapeziometacarpal joint Open
Osteoarthritis (OA) is a common disease of the first carpo-metacarpal (CMC I) joint. Biomechanical factors promoting OA are the shape of the CMC I-joint, being a biconcave-convex saddle joint with high mobility and the increased instabilit…
View article: Distance mapping in three-dimensional virtual surgical planning in hand, wrist and forearm surgery: a tool to avoid mistakes
Distance mapping in three-dimensional virtual surgical planning in hand, wrist and forearm surgery: a tool to avoid mistakes Open
Purpose Three-dimensional planning in corrective surgeries in the hand and wrist has become popular throughout the last 20 years. Imaging technologies and software have improved since their first description in the late 1980s. New imaging …
View article: Cold ablation robot‐guided laser osteotomy in hand, wrist and forearm surgery—A feasibility study
Cold ablation robot‐guided laser osteotomy in hand, wrist and forearm surgery—A feasibility study Open
Introduction Traditional bone surgery using saws and chisels is associated with direct contact of instruments with the bone causing friction, heat and pressure and hence, damaging the bone and the surrounding soft tissues. Method Cold abla…
View article: Abstracts from the American Society of Pediatric Neurosurgeons Virtual Meeting
Abstracts from the American Society of Pediatric Neurosurgeons Virtual Meeting Open
Background/Purpose: Next generation sequencing technologies have permitted a molecular understanding of the patho-etiology of non-syndromic craniosynostosis (NSC), however the underpinnings of the subtle neurocognitive deficits observed in…
View article: Medical Additive Manufacturing in Surgery: Translating Innovation to the Point of Care
Medical Additive Manufacturing in Surgery: Translating Innovation to the Point of Care Open
Alongside computed tomography, additive manufacturing (also known as three-dimensional or 3D printing) is a significant MedTech innovation that allows the fabrication of anatomical biomodels, surgical guides, medical/dental devices, and cu…
View article: Dorsal Plate Osteosynthesis in Simple and Complex Fractures of the Distal Radius: A Radiological Analysis of 166 Cases
Dorsal Plate Osteosynthesis in Simple and Complex Fractures of the Distal Radius: A Radiological Analysis of 166 Cases Open
Background To report the radiologic outcome and rate of complications of open reduction and internal fixation (ORIF) using a dorsal plate fixation of simple and complex distal radius fractures in adult patients. Methods Patients treated wi…
View article: A Multi-Criteria Assessment Strategy for 3D Printed Porous Polyetheretherketone (PEEK) Patient-Specific Implants for Orbital Wall Reconstruction
A Multi-Criteria Assessment Strategy for 3D Printed Porous Polyetheretherketone (PEEK) Patient-Specific Implants for Orbital Wall Reconstruction Open
Pure orbital blowout fractures occur within the confines of the internal orbital wall. Restoration of orbital form and volume is paramount to prevent functional and esthetic impairment. The anatomical peculiarity of the orbit has encourage…
View article: Quantitative Assessment of Point-of-Care 3D-Printed Patient-Specific Polyetheretherketone (PEEK) Cranial Implants
Quantitative Assessment of Point-of-Care 3D-Printed Patient-Specific Polyetheretherketone (PEEK) Cranial Implants Open
Recent advancements in medical imaging, virtual surgical planning (VSP), and three-dimensional (3D) printing have potentially changed how today’s craniomaxillofacial surgeons use patient information for customized treatments. Over the year…
View article: A Multi-Criteria Assessment Strategy for 3d Printed Porous Polyetheretherketone (Peek) Patient-Specific Implants for Orbital Wall Reconstruction
A Multi-Criteria Assessment Strategy for 3d Printed Porous Polyetheretherketone (Peek) Patient-Specific Implants for Orbital Wall Reconstruction Open
Pure orbital blowout fractures occur within the confines of the internal orbital wall. Restoration of orbital form and volume is paramount to prevent functional and esthetic impairment. The anatomical peculiarity of the orbit has encourage…
View article: Overview of In‐Hospital 3D Printing and Practical Applications in Hand Surgery
Overview of In‐Hospital 3D Printing and Practical Applications in Hand Surgery Open
Three‐dimensional (3D) printing is spreading in hand surgery. There is an increasing number of practical applications like the training of junior hand surgeons, patient education, preoperative planning, and 3D printing of customized casts,…
View article: In‐Hospital 3D Printed Scaphoid Prosthesis Using Medical‐Grade Polyetheretherketone (PEEK) Biomaterial
In‐Hospital 3D Printed Scaphoid Prosthesis Using Medical‐Grade Polyetheretherketone (PEEK) Biomaterial Open
Recently, three‐dimensional (3D) printing has become increasingly popular in the medical sector for the production of anatomical biomodels, surgical guides, and prosthetics. With the availability of low‐cost desktop 3D printers and afforda…
View article: Quality Characteristics and Clinical Relevance of In-House 3D-Printed Customized Polyetheretherketone (PEEK) Implants for Craniofacial Reconstruction
Quality Characteristics and Clinical Relevance of In-House 3D-Printed Customized Polyetheretherketone (PEEK) Implants for Craniofacial Reconstruction Open
Additive manufacturing (AM) of patient-specific implants (PSIs) is gradually moving towards in-house or point-of-care (POC) manufacturing. Polyetheretherketone (PEEK) has been used in cranioplasty cases as a reliable alternative to other a…
View article: Dimensional characteristics of FDM 3D printed PEEK implant for craniofacial reconstructions
Dimensional characteristics of FDM 3D printed PEEK implant for craniofacial reconstructions Open
Additive manufacturing (AM) or three-dimensional (3D) printing is rapidly gaining acceptance in craniomaxillofacial surgeries. Polyetheretherketone (PEEK) patient-specific implants (PSIs) have been used, mainly in reconstructive surgeries,…
View article: Effects of Steam Sterilization on 3D Printed Biocompatible Resin Materials for Surgical Guides—An Accuracy Assessment Study
Effects of Steam Sterilization on 3D Printed Biocompatible Resin Materials for Surgical Guides—An Accuracy Assessment Study Open
Computer-assisted surgery with three-dimensional (3D) printed surgical guides provides more accurate results than free-hand surgery. Steam sterilization could be one of the factors that affect the dimensions of surgical guide resin materia…
View article: Intra-Articular Distal Ulnar Sliding Osteotomy for Ulnar Shortening
Intra-Articular Distal Ulnar Sliding Osteotomy for Ulnar Shortening Open
Background: Ulnocarpal impaction is the most common reason to perform ulnar shortening osteotomy. There are 3 osteotomy techniques for ulnar shortening: transverse, step-cut, and oblique cut 1–3 . First described by Milch 4 in 1941, extra-…
View article: Irreducible Dislocations of the Proximal Interphalangeal Joint: Algorithm for Open Reduction and Soft-tissue Repair
Irreducible Dislocations of the Proximal Interphalangeal Joint: Algorithm for Open Reduction and Soft-tissue Repair Open
Summary: The “jammed finger” is among the most common hand injuries and may include simple sprains, dislocations, fractures, and fracture-dislocations. In contrast, irreducible dislocations of the proximal interphalangeal joint are rare in…