Ossicular prosthesis Aug 1, 2018 · Functional failure of total ossicular replacement prostheses (TORP) is often due to secondary displacement, ranging from simple subluxation to prosthesis extrusion following recurrence of severe tympanic membrane retraction. The type of prosthesis was also correlated to the intraoperative status of the ossicular chain (malleus, incus, stapes) as shown in Figs. Sep 20, 2022 · Prosthesis Using an established, proven clip design for coupling the prosthesis to the stapes head 14 we developed, together with MED-EL, a new passive ossicular prosthesis equipped with a 0. This retrospective study aims to analyse the anatomical and functional results of surgeries in which a titanium Key words: Ossicular Prosthesis; Biocompatible Materials The use of alloplastic materials in ossicular recon-struction has a long history. 1156362: Medtronic Sheehy Polycel POP Partial Ossicular Prosthesis 4. This retrospective study aims to analyse the anatomical and functional results of surgeries in which a titanium Dec 11, 2024 · Modern ossiculoplasty techniques involve replacing these 2 ossicular joints with partial (PORP) or total (TORP) ossicular prostheses. Several surgical techniques have been proposed to stabilize a TORP, mostly using superimposed non-organic or resorbable heterologous materials. com Conductive hearing loss due to ossicular abnormalities occurs from many causes, including trauma, infection, cholesteatoma, surgery and congenital anomalies. The three most commonly used ossicular prostheses are derived from high density polyethylene sponge, hydroxyapatite, and titanium. The present study was designed to compare the outcome using autologous ossicle and titanium prosthesis in two groups of suitable Our range of passive middle ear implants is made up of prostheses for both tympanoplasty and stapes surgery. When used with middle ear cements, such as glass ionomer cement, endoskeletal ossicular reconstruction is possible. This article reviews our techniques in ossicular reconstruction utilizing prosthetic products and reviews the literature regarding postoperative ABSTRACT: OBjeCTIve: To compare audiometric results between the standard total ossicular replacement prosthesis (TORP-S) and a new fat interpo-sition total ossicular replacement prosthesis (TORP-F) in pediatric and adult patients and to assess the complication and the undesirable outcome. The prosthesis is made of titanium. The MED-EL “Passive Middle Ear Implants” (PMEI) Tympanoplasty Partial Prostheses are partial ossicular replacement prostheses which restore the mechanical sound transmission to the oval window. However, thin-section computed tomography (CT) can help determine the type of prosthesis used for reconstruction and adequately assess for complications that may be causing postoperative conductive hearing loss. The Tympanomastoidectomy Procedure Tympanomastoidectomy procedure is performed in a hospital setting under general anesthesia and typically takes several hours. An ossicular replacement prosthesis (ORP) is a medical device used in ossiculoplasty, a surgical procedure to improve hearing. Harboring of recidivistic cholesteatoma, prosthesis extrusion, and unacceptable or non-durable hearing Apr 1, 2025 · Middle ear disease often leads to ossicular erosion, impairing auditory function and frequently requiring ossicular chain reconstruction (OCR) for hearing restoration. The unique design permits the prostheses to be adjusted by expanding the Teflon piston is now the most widely used prosthesis for reconstruction of the ossicular chain in cases of otosclerosis. Over a period of time, surgeons have tried various types of materials as ossicular prosthesis with varying amount of success. STudy deSIgN: This is a retrospective study. The aim of the present literature review is to understand why changes in materials used for ossicular Aug 30, 2002 · The Development of Materials for use in Ossicular Implants During the 1960’s in the earliest stage of the development of ossicular replacements, attempts were made to use biological materials such as cartilage or the remnants of the ossicle chain to create ossicular replacements. Sign in to add this product to your favorites! All ossicular implants that are considered MR Conditional have been packaged with an MRI Patient Card. med. Partial MEI w Bell foot. We offer a personal touch rarely seen in today’s business world. Of the implants tested, middle ear ossicular prostheses, including stapes prostheses, except for the 1987 McGee prosthesis, are MR Conditional for 1. Cochlear implants with removable mag-nets are approved for patients undergoing MRI at 1. The present study was designed to compare the outcome using autologous ossicle and titanium prosthesis in two groups of Home / Specialty / Ear, Nose, & Throat / Replacement, Ossicular Prosthesis, Total / Brackmann HA/C Polycel® Partial Jul 12, 2025 · The aim of reconstructing the ossicular chain is to create the natural function as closely as possible and conduct the incoming acoustic signal to the inner ear with minimal loss. The prosthesis serves as “rebar” for the cement. Should you have any questions regarding a specific implant, or if an implant is not in one of the tables below, please contact Grace Medical at 1-866-472-2363. May 1, 2000 · A variety of prostheses may be used in ossicular reconstruction (eg, stapes prosthesis, incus interposition graft, Applebaum prosthesis, Black oval-top prosthesis, Richards centered prosthesis, Goldenberg prosthesis) and can usually be identified at CT by their shapes and locations. . Synthetic ossicular prostheses are useful for those conditions in which there is a complete absence of the incus. Well established anatomical understanding and latest results of scientific research as well as extensive test series are the basis for these developments. Overall, reconstruction of the ossicular chain with titanium prostheses reliably improves patients' hearing outcomes, and this study gives relevant information for counseling patients preoperatively on realistic hearing outcomes. Like all of MED-EL’s hearing solutions, our passive middle ear implants are built Nov 29, 2022 · Conclusions: Overall, reconstruction of the ossicular chain with titanium prostheses reliably improves patients' hearing outcomes, and this study gives relevant information for counseling patients Apr 8, 2012 · Request PDF | TOTAL OSSICULAR REPLACEMENT PROSTHESES: MATERIALS AND DESIGNS | Surgeons and patients are demanding improved replacements for dysfunctional ossicular bones. Feb 20, 2023 · The two main types of design for ossicular prosthesis are the following: Partial ossicular reconstruction prosthesis (PORP) used to replace an interrupted ossicular chain with intact stapes superstructure and total ossicular reconstruction prosthesis (TORP), required when the stapes superstructure is absent, and the footplate is mobile. ossicular replacement prosthesis (PORP). The performance of total ossicular reconstruction using the Each type of prosthesis for ossiculoplasty has its advantages and disadvantages, and the choice of the best material has been a matter of various studies. As one of the first adjustable titanium prosthesis to offer a titanium shaft combined with a hydroxylapatite (HA) head, the Bojrab style implants have become the popular choice of medical professionals worldwide. This approach utilizes a lateral as well as a medial graft to stabilize a total ossicular prosthesis (TOP). 5-7. The ALTO System The first and only non-crimp adjustable system, allowing for resizing after initial trimming and prosthesis placement. These prostheses can be used to replace non-functioning bones in the middle ear. Keywords: Ossicular Reconstruction, Adjustable Prosthesis, Temporal Bones, 3D Vibrometry Introduction Ossicular reconstruction surgery is a commonly performed procedure in the case of a discontinuous or fixed ossicular chain, and there exist a large variety of ossicular replacement prostheses (ORPs) that have been designed for this purpose. OCR is a type of surgery to repair conductive hearing loss in which a prosthesis is used to reconnect the discontinued ossicular chain between the TM and oval window. Ossiculoplasty with Total Ossicular Reconstruction Prosthesis (TORP) is re-quired when the stapes superstructure is absent, and the footplate is mobile. The Bojrab implant line of ossicular reconstructive prostheses has a long history of excellent performance in middle ear surgery and hearing outcomes. Methods: Stapedial vibrations were measured on nine freshly frozen human temporal bones with laser Doppler vibrometry. The present study aimed to make a comparison between the hearing outcomes of partial ossicular Ossicular chain reconstruction is a surgical procedure that repairs the middle ear bones or ossicles. Jackler and Ms. A total ossicular replacement prosthesis (TORP) is an alternative used especially when the superstructures of the stapes are damaged or completely missing. Apr 1, 2006 · TTP-VARIAC System – a system of flexible & variable length passive middle ear implant/prosthesis for Tympanoplasty with AC Sizer for measuring of length. To request permission for publication or commercial use please contact Christine Gralapp (eyeart Jan 15, 2024 · Common complications after ossiculoplasty include failure to improve the conductive hearing loss, ossicular or graft necrosis, and prosthesis extrusion/migration. Chronic suppurative otitis media, with and without cholesteatoma, frequently results in disruption of the ossicular chain. A variety of prostheses may be used in ossicular reconstruction Jan 26, 2025 · In this review, we will explore the normal imaging appearance of common implants and augmentation techniques in the head and face, as well as the spectrum of findings associated with implant complications or failures. Ossicular chain discontinuity is a common cause of conductive hearing loss, when sound can’t reach your outer or middle ear. Otologic Implants Commonly Used Ossicular Chain Prostheses Kurz Medical Grace Medical Imaging at 7 Tesla or Less Non-clinical testing has demonstrated that patients with these specific Grace Medical ossicular implants can undergo MRI safely, immediately after implantation under the following conditions: • Static magnetic field of 7-Tesla or less How They Work With passive middle ear implants, it’s possible to get back to hearing—without an external component. Figure 1. (Partial Ossicular Replacement Prosthesis) The goal of tympanoplasty is to close any perforation, as well as improve hearing. The tympanoplasty prostheses act as a partial or total replacement for the ossicular chain. com It starts with world-class product designs, proven materials, and a commitment to set the gold standard in customer service. Often there is … Mar 19, 2021 · Ossicular Chain Reconstruction. Retrospective cohort Ossicular Replacement Prosthesis Measuring Trial Accessories Stainless Steel, Not For Implantation, Used for Customized Sizing Cat. During second look procedures after cholesteatoma surgery, the surgeon is aware of the ossicular defect before elevating the tympanomeatal flap, and can decide preoperatively what type of ossicular prosthesis is required. We would like to show you a description here but the site won’t allow us. This advantage allows the surgeon to adjust the prosthesis even after initial sizing, trimming and placement. Osseointegrated Cochlear Stimulator: The BAHA and Ponto System by Oticon Medical’s abutment and fixture are MRI safe. In the last decade, numerous studies have been MAXIMUM VARIABILITY The tension-sensitive annular ligament of the stapes footplate plays a key role in reconstruction of the ossicular chain: If undesir- able pretension develops here, it can have a critical effect on the postoperative hearing outcome. Intervention: Standardized technique consisted of the following: 1) reconstruction from the stapes to the malleus neck, 2) usage of standard length prostheses (2-mm partial ossicular replacement prosthesis and 4-mm total ossicular replacement prosthesis) in nearly all cases, 3) bending the prosthesis head 15 to 30 degrees according to the contour of the malleus, 4) freestanding reconstruction To compare audiometric results between the standard total ossicular replacement prosthesis (TORP-S) and a new fat interposition total ossicular replacement prosthesis (TORP-F) in pediatric and adult patients and to assess the complication and the Jun 23, 2025 · Similarly the new prosthesis got a silicone ball joint. Grace Medical Ossicular Implant, Grace Medical Ossicular Implants Offset ALTO Total Prosthesis MRI information applies to Buckets Titanium, CP2 & CP4 P/N 420-XXX through 430-XXX OCRs, Middle Ear Implants Titanium CP2, other materials HA and silicone ALTO 600 Series Titanium CP2 Fixed Length 700 Series Grace Medical https://www. Lukas Anschütz has for using an endoscope while implanting tympanoplasty and stapes prostheses from MED-EL. In secondary surgeries using total ossicular replacement prostheses (TORP), titanium showed slightly Ossiculoplasty, or ossicular chain reconstruction, rebuilds the ossicular chain so you can hear better. This places high demands on the development of implants. The Mar 1, 2024 · Sakai et al. The addition of the titanium Prosthetic OssiculoplastyDr. (Total Ossicular Replacement Prosthesis) P. Abstract Objective: Among other difficulties, achieving a stable position of a total ossicular replacement prosthesis (TORP) is demanding because of a limited view on the TORP-footplate interface and individual angles between the footplate and tympanic membrane. This titanium prosthesis is equipped with a clip mechanism for coupling at the stapes and a ball Ossicular Prostheses Ossicular prostheses are commonly placed in patients with ossicular destruction or disruption due to cholesteatoma, chronic otitis media, or congenital ossicular malformation. The three bones of the ossicular chain are located in the middle ear space and transmit sound from outside the body to the inner ear. We encourage use of our illustrations for educational purposes, but copyright permission should be sought before publication or commercial use. No. In other cases, the surgeon must make an intraoperative assessment and Aug 16, 2012 · Objective. rating Ossicular Prosthesis (VORP). With this code, the ossicular reconstruction differs from code 69632 since the ossiculoplasty (operation to reconstruct the ossicular chain) involves insertion of a prosthesis, as indicated in the descriptor language of code 69633, Tympanoplasty without mastoidectomy (including canalplasty, atticotomy and/or middle ear surgery), initial or Jan 17, 2024 · Endoscopic Ear Surgery: Ossicular Reconstruction and Stapes Surgery With endoscopic ear surgery, surgeons can get a wider field of view when implanting passive middle ear prostheses for ossicular reconstruction and stapes surgery. These procedures effectively transform the ossicular chain into a single piston, transmitting forces from the tympanic membrane directly to the stapes superstructure or oval window. Replacement of the entire The Kraus K-Helix Prosthesis (is a novel, titanium middle ear prostheses that has been designed specifically for reconstruction of the ossicular chain. 5-Tesla (and many are approved for 3-Tesla) MR systems. , platinum) devices are MR permissible Today the implantation of ossicular prostheses to replace non-functional and pathologically altered ossicular chain is a well-accepted surgical technique. Ossicular replacement prosthesis In medicine, an ossicular replacement prosthesis is a device intended to be implanted for the functional reconstruction of segments of the ossicles and facilitates the conduction of sound waves from the tympanic membrane to the inner ear. R. We then compared the performances The Grace ALTO line features a unique, patented adjustment method that makes the ALTO the only non-crimp adjustable length titanium design in otology today. Classification of ossicular defects: Austin– Kartush is the most accepted classification which applies to situations without intact incus. Entirely nonmetallic or non ferromagnetic (e. Our stapes prostheses replace the stapes arch or stapes arch and incus in cases with a fixed stapes footplate. The Dornhoffer product line consists of a 2mm fixed length partial, adjustable partial, adjustable total and a titanium footplate shoe. 15 found improved postoperative air-bone gaps in endoscopic partial ossicular reconstruction prosthesis (PORP) ossiculoplasty as compared to microscopic ossiculoplasty after at least 1 year. Stapedial vibrations Ossiculoplasty using a Partial Ossicular Reconstruction Prosthesis (PORP) is done when the stapes superstructure is intact. It is commonly operated using interposed cartilage between the prostheses device and the tympanic membrane [3]. Eighty articles were analysed after a full article review based on the inclusion and exclusion criteria. Ossicular Prostheses Ossicular prostheses are commonly placed in patients with ossicular destruction or disruption due to cholesteatoma, chronic otitis media, or congenital ossicular malformation. Study Design. Difficulties arise because of host factors, such as ventilation or scarring, surgical technique factors, such as prosthesis placement and stabilization, and design and mechanical factors influencing the properties of the prosthesis. O. 5 Tesla after magnet removal. Apr 1, 2024 · An option for hearing rehabilitation is Ossicular Chain Reconstruction (OCR), also known as ossiculoplasty or ossicular reconstruction surgery. 75 mm Functional Length are available to counteract against unintentional tension. 1 C). This study introduces a 3D-printed prosthesis Nov 12, 2024 · Modern ossiculoplasty techniques involve replacing these 2 ossicular joints with partial (PORP) or total (TORP) ossicular prostheses. 75mm Short-Dated » Medtronic ENT » Ossicular Recon Photos are for illustration purposes only and may not depict the exact item. It can be a partial or total replacement of the ossicular chain, which consists of three small bones in the middle ear. Have a special need? Give us a call, we’d love to help. Success mainly depends on the total eradication of disease, good aeration of the middle ear, and a stable connection between the tympanic membrane and the stapes, which in turn is highly dependent on the characteristics of the prosthesis used. Objective. After surgery, 57% achieved hearing improvement, 36% had unchanged hearing and 7% had worsened hearing. Total Ossicular Replacement Prosthesis (TORP): In cases where both the incus and malleus are severely damaged or missing, doctors may perform a total ossicular replacement prosthesis (TORP). Short prosthetic solutions as short as 0. Learn what tips and tricks Prof. Currently, ossicular prostheses are T. PARTIAL OSSICULAR RECONSTRUCTION IMPLANTS Flex H/ATM Prostheses droxyl- apatite and silicone. Topics include cochlear implants, ossicular chain reconstructions, intraocular lenses, intra-orbital sili-cone injections, and various ocular implants. Surgical reconstruction of the ossicular chain is a well-established procedure for repair Abstract Postoperative otologic evaluation of patients who have undergone ossicular reconstruction is often difficult. Jun 25, 2024 · Summary The prostheses materials bone and titanium yield comparable hearing outcomes in ossiculoplasties. The new prosthesis design can compensate for large static displacements in the reconstructed ossicular chain. 6,7 Both groups re-ported that ossiculoplasty with these composite materials showed satisfactory hearing outcomes and low complication rates. Sign in to add this product to your favorites! Incus Replacement - Partial Ossicular Replacement Prosthesis (I-PORP) for Hearing Loss Middle Ear Joint Replacement - Partial Ossicular Replacement Prosthesis (IS-PORP) 2. In the history of MRI there has only been a single MR Unsafe ossicular implant ever produced — the McGee stapes prosthesis — accidentally made of ferromagnetic stainless steel. In this procedure, the stapes footplate is connected directly to the tympanic membrane (TM) and/or to the malleus (Fig. However, many new materials have been described and become commer-cially available without any evidence that they are superior to the existing ones. The Dornhoffer implant line is a premier offering of the latest technology in ossicular reconstruction prostheses. Objective: We compared the sound transmission using different types of total ossicular replacement prostheses (TORP); we then studied the performance of a new TORP that we designed inspired by the columella, the single ossicle found in birds. 5 mm centered ball joint (mCLIP ARC Partial Prosthesis, MED-EL, Fürstenweg 77a, 6020 Innsbruck, Austria). g. A groove is added to accommodate the malleus if present. Evaluate a porous polyethylene prosthesis with two-point stabilization in total ossiculoplasty. [1] See full list on hexahealth. Retrospective cohort Middle ear hearing reconstruction is unpredictable. Ossicular prostheses are commonly placed in patients with ossicular destruction or disruption due to cholesteatoma, chronic otitis media, or congenital ossicular malformation. — OCR refers to partial or complete reconstruction or replacement of the ossicles with use of a graft or prosthesis, depending on the degree of impairment of the ossicular chain. Titanium ossicular chain replacement prosthesis is often used for rehabilitation of the columellar effect in otologic surgeries. Middle ear ossicular reconstruction is a challenging task for any otologist. Ossicular prostheses vary in regards to the construction material. Open in a new tab Feb 1, 2023 · Overall, reconstruction of the ossicular chain with titanium prostheses reliably improves patients' hearing outcomes, and this study gives relevant information for counseling patients preoperatively on realistic hearing outcomes. Oct 19, 2023 · In this study, we aim to review the current literature on titanium partial ossicular replacement prostheses (PORPs) and total ossicular replacement prostheses (TORPs) extrusion and dislocation. A majority of cases (62%) attained a postoperative air–bone gap (ABG) of ≤20 dB. 75mm In-Date » Medtronic ENT » Ossicular Recon Photos are for illustration purposes only and may not depict the exact item. Due to the variety of materials used in otologic implants and the variety of MR conditions to which they may be exposed, it is difficult to provide a concrete statement that would cover all materials and Sep 7, 2017 · Chronic suppurative otitis media, with and without cholesteatoma, frequently results in disruption of the ossicular chain. , Brase C. Significant advances have been made in the construction of ossicular prostheses regarding the materials used to limit extrusion rates. However, using PORPs and TORPs carries risks, including sensorineural hearing Ossicular Prosthesis Safety: Conditional Risks: Thermal, Displacement, Hearing loss Conditions: If manufacturer approved as MR condition: MR permissible If manufacturer approval cannot be found: Determine device composition from manufacturer information. Dec 9, 2019 · We compared the sound transmission using different types of total ossicular replacement prostheses (TORP); we then studied the performance of a new TORP that we designed inspired by the columella, the single ossicle found in birds. Furthermore, these prostheses allow a reduction in operative time because ossicular sculpting is not needed. The procedure usually involves prostheses, artificial implants that replace damaged or missing ossicles. Gralapp retain copyright for all of their original illustrations which appear in this online atlas. We describe a simple so 1156362-SD: Medtronic Sheehy Polycel POP Partial Ossicular Prosthesis 4. ORPs can be made of materials such as titanium or hydroxyapatite and are used to bridge the gap between the tympanic membrane and the stapes head or In ossicular chain reconstruction, maximal rehabilitation of conductive hearing loss is the ultimate goal. That way vibrations can travel from the eardrum through the remaining parts of the ossicular chain and the prosthesis to the inner ear. The result is a unique bioactive material which provides excellent tissue interface and can be easily rimmed with a surgical knife. It is designed to treat conductive hearing loss from traumatic or surgical injury TTP-VARIAC System Partial 1002020 GUDID EHKM10020201 Ossicular Prosthesis, partial Heinz Kurz GmbH FDA. Similar to a PORP, a TORP is a prosthetic device designed to replace the entire ossicular chain. 70132120 70135060 70135801 70135802 212930 Description Complete PORP/TORP Trial Set including Sterilization Case Sterilization Case Universal Cutting Block Micron Titanium Adjustable Sizing Block Shaft Crimper The surgical technique of ossiculoplasty performed using total ossicular replacement prostheses (TORP) is considered when the patient doesn't have malleus, incus, and stapes supra structures. Despite numerous advancements within the field, OCR remains a procedure wrought with potential pitfalls. 2. 3 and 4. Additionally, we will PROSTHESIS 1160000 TI PARTIAL RND 2MM N/A - 1160000 Device Description A sterile device intended to be implanted for the functional reconstruction of segments of the ossicular chain (mallues, incus, and/or stapes bones) to facilitate the conduction of sound waves from the tympanic membrane to the inner ear. , Hornung J. Ossicular implants are made of various materials, including "MR Safe" non-metals (fluoroplastic and hydroxyapatite) and MR Conditional metals (titanium, Nitinol, nonferromagnetic stainless steel, and platinum). The limited graft applications in the reconstructive auditory-chain surgery stimulated the search for new prosthetic medical device. Dr. Information from the AP is sent to the VORP 503 so that the transducer [the Floating Mass Transducer (FMT)] vi-brates in a controlled manner, specifi PRODUCT VIDEO Literature Experience With the Use of a Partial Ossicular Replacement Prosthesis With a Ball-and-Socket Joint Between the Plate and the Shaft Birk S. Jan 24, 2024 · Patients underwent tympanoplasty with ossicular reconstruction using the mCLIP ARC partial prosthesis. The two main types of design for ossicular prosthesis are the following: Partial ossicular reconstruction prosthesis (PORP) used to replace an interrupted ossicular chain with intact stapes superstructure and total ossicular reconstruction prosthesis (TORP), required when the stapes superstructure is absent, and the footplate is mobile. The surgeon may encounter ossicular abnormalities when intraoperatively examining the middle ear. P. Autografts were initially used for ossicular chain reconstruction due to their biocompatibility and good sound conduction. All of the heads in the Dornhoffer line feature a low profile contoured HA head. The Kurz Omega Connector aims at a simplified insertion of the TORP. The oto-surgeons are still confronted with problems of ossicular reconstruction regarding the surgical procedure to be done, type of graft to be selected especially in low and poor socioeconomic population. Both FLEX H/A and dense HA can be manufactured to various specifications allowing for the reconstruction of t Stapes Prosthesis and Metallic Middle Ear Ossicular Chain Reconstruction Implants: All devices are safe for use in a 1. Partial implants, or PORP ( P artial O ssicular R eplacement P rosthesis) – partial ossicular replacement; stapes still present, stapes footplate functional The types of prosthesis used, the absolute and relative frequencies of use and the rejection rate for each type of prosthesis are presented in Figs. The audio processor is worn on the head and contains the microphones, the digital signal processing unit and a z a conductor link, and a transducer. The biomaterials utilized in Medtronic ossicular implants include Polycel®, Hydroxylapatite (H/A), H/A-coated Polycel, platinum, titanium, stainless steel, fluoroplastic and Flex H/A. It will prevent dislocations and extrusions of prostheses which are so far one major reason for failures of middle ear reconstructions. Columella-type prostheses, commonly used in OCR, have shown limited success due to issues such as displacement and extrusion, highlighting the need for more effective solutions. Ossiculoplasty with Total Ossicular Reconstruction Prosthesis (TORP) is required when the stapes superstructure is absent, and the footplate is mobile. 5T magnetic field or less with the exception of the 1987 McGee stainless steel prosthesis. Dec 11, 2024 · Modern ossiculoplasty techniques involve replacing these 2 ossicular joints with partial (PORP) or total (TORP) ossicular prostheses. Total ossicular replacement prosthesis (TORP): Used when the malleus, incus, and stapes superstructure are absent, and only the stapes footplate is present and mobile. 1 Ideally, the ossicular reconstruction Apr 1, 2011 · To assess the efficiency of ossiculoplasty procedures with the Kurz titanium ossicular prosthesis and evaluate prognostic factors for the functional r… Ossiculoplasty using a Partial Ossicular Reconstruction Prosthesis (PORP) is do-ne when the stapes superstructure is in-tact. gracemedical. report Jan 17, 2020 · Since ossicular chain reconstruction (OCR) was first described in the 1950s, there have been continued efforts to improve both surgical technique and pre-existing prosthetic design [1]. Middle ear hearing reconstruction is unpredictable. dutosdakbyjfqaaqtqlqkxroivmbjfxfpixjzmyxtspcllmagzxqacriuycklbvuildpbahjlotw