ADJUSTABLE MILLING GUIDE ZYGOMATIC IMPLANT RETRACTOR

Abstract

The invention is a handheld zygomatic implant retractor developed for retracting soft tissues and guiding the surgical milling tool in zygomatic implant applications. The device comprises a main retractor body (20) with a tip that forms a protective zone in the direction of milling advancement at the distal end, a movable milling guide (30) containing a guide opening through which the milling tool passes, and a sliding and locking group (40) that moves this guide movably on the main body and fixes it in the selected position. The entire movable milling guide (30) is adjusted according to the milling entry level by moving the guide opening in a direction different from the milling guidance axis. In the working position, the guide opening directs the milling tool to the protective zone created at the distal end of the main retractor body (20). Thus, retraction, adjustable milling guidance, and distal soft tissue protection are combined on the same surgical instrument.

Description

1 TARIFF ADJUSTABLE MILLING GUIDE ZYGOMATIC IMPLANT RETRACTOR Technical Area 5 The invention concerns zygomatic implants used in the field of oral, dental, and maxillofacial surgery. In these applications, soft tissues in the surgical area are retracted and surgical milling is performed. To guide the bone in a controlled manner to the targeted region of the zygomatic bone. The entry level of the milling guide used is adjusted according to surgical requirements. and with an adjustable milling guide that allows it to be fixed in the selected position. This relates to a handheld zygomatic implant retractor. The Invention's Infrastructure Zygomatic implant surgery performed in the field of oral, dental and maxillofacial surgery 15 In these procedures, adequate exposure of the surgical area, soft tissue is removed from the study area and the bone where the implant will be placed. The milling operation in this area must be performed in a controlled manner. During zygomatic implant placement, accessing the surgical site Various surgical techniques are used to remove soft tissues from the working area. Retractors are used. Existing retractors generally have a long handle. It consists of a curved or notched retractor tip and is primarily used in surgery. removing soft tissues around the area to keep the work space open. It is used for this purpose. The primary function of current surgical retractors is to retract soft tissues. 25 While ensuring this, the structures in question are the entry points of the surgical milling tool on the bone surface. a mechanical orientation of the point and the axis of progress It does not offer a guiding function. Therefore, during surgical milling, the milling tool... displacement to the right or left on the bone surface, away from the planned axis of progression. after deviating or passing the contralateral cortex, it moves towards the surrounding soft tissues 30 It is possible for the surgical field to progress uncontrollably. The retraction is not solely achieved by mechanically controlling the milling machine's path of advancement. It does not meet the need for control. 2 Technique for guiding the surgical mill in zygomatic implant surgery. In its known form, different guiding structures have also been developed. Among these... Patent document number WO2020008423A1 describes computed tomography data. prepared according to the patient's anatomy using, and fixed onto the bone, and A 5 that enables the guidance of the surgical milling tool through opposing guide sections. This guideline explains the surgical procedure for zygomatic implants. Number: WO2020044335A1 The patent document states that it is prepared according to a predetermined implant axis, and a patient-specific system including a guide body that conforms to the maxilla It is also included in patent document number CN218165397U, regarding the surgical milling machine. a tube-shaped guide through which it is passed and a holder attached to that guide 10 A protective device consisting of a handle is described. Patent document number US5026376A describes craniomaxillofacial fractures. A combined surgical milling guide and retractor used in treatment is described. The device in question consists of a protective retractor extending behind the bone, and inner and outer sections through which the milling cutter is passed. telescopic sleeves and a lever that moves the sleeve back and forth along the milling axis 15 It includes the mechanism. In the device that is the subject of the invention, the entire movable milling guide is positioned so that the guide opening is the milling guide itself. located on the main retractor body in a direction different from the steering axis. changing and thus the milling entry level for zygomatic implant osteotomy. It can be selected. The selected position is protected by a sliding and locking mechanism and guide 20. The opening directs the milling tool to the distal protective zone in the working position, meaning... The subject matter constitutes the structural relationship that distinguishes it from the previous technique. The aforementioned known applications include various technical solutions for milling machine guidance. However, in zygomatic implant surgery, soft tissues The functions of mechanically guiding the surgical burs and retraction are performed in the same hand. 25 There is a need for it to be performed on a handheld surgical instrument. In addition, the guide position depends on the entry level of the surgical milling tool. the ability to change and maintain the determined position during the surgical procedure This is one of the current technical requirements. In this context, while fulfilling the exclusion function... It can also mechanically guide the direction of advancement of the surgical mill, mill 30 handheld and reusable, allowing for adjustment of the input level. A surgical instrument is needed. 3 The invention concerns an adjustable milling-guided zygomatic implant retractor, the technology of which is discussed. It has been developed to address problems of soft tissues. The functions of retraction and mechanical guidance of the surgical burs are performed in the same hand. It brings together a handheld surgical instrument. In this context, the basis of the invention is... Its structure includes a notched main retractor body, a movable milling guide, and a sliding and locking mechanism. 5 It is based on the functional relationship of the group members with each other. Notched main retractor body; handle that allows the instrument to be held, surgical procedure. The angled wide working section providing access to the area and the notched distal end are on the same body. It has a structure on it. This structure allows the instrument to be held in place during the surgical procedure. 10 and while ensuring the retraction of soft tissues, the advancement of the notched distal end mill. It creates a protective zone in that direction. Thus, the main retractor Its body is merely a retraction element intended for the removal of soft tissues. not only as a protective zone, but also one that forms a protective zone in the direction of milling progress. It functions as a structure. 15 The invention features a movable milling guide, a guide that is connected to a sliding and locking assembly. The guide opening through which the arm and surgical drill are passed is on a single piece. It includes and guides the surgical drill towards the notched distal end. Thus, instead of the surgical milling tool being advanced freely, it is guided by a movable milling guide. It can be mechanically steered in the direction determined by [the system / organization]. 20 The sliding and locking mechanism moves linearly on the main retractable body. It is structured in such a way as to carry the movable milling guide, movable limiting the rotation of the milling guide and ensuring that the guide is at the selected level. It ensures locking. Main retractable body of the sliding and locking assembly. Thanks to its movement, the movable milling guide can be brought to the planned milling entry level by 25. It can be positioned accordingly and, once in the appropriate position, can be fixed in place. Thus, the position of the milling guide is adjusted to the required entry level in the surgical procedure. It is made adjustable accordingly. The subject of the invention is the guide located in the movable milling guide of the surgical milling machine. and passed through the opening and guided by the guide to the notched distal 30 of the main retractor body. It is guided towards the tip. The notched distal end of the main retractor body. the tip forms a protective zone that aligns with the milling cutter's path of advancement 4 thanks to this, the risk of the milling machine moving uncontrollably into the surrounding soft tissues is reduced. The aim is to limit it. In this way, the retraction is achieved mechanically with the milling machine. the guidance and creation of a protective zone in the direction of the milling's progress. This is performed by the interrelated parts of the surgical instrument. One of the features that distinguishes this invention from existing applications is the movable milling machine. The guide bar is not in a fixed position and is adjustable on the main retractor body. It is structured in this way. The sliding and locking assembly is located on the main retractable body. By moving it, the movable milling guide can be brought to the planned milling entry level. and can be fixed in the selected position. Thus, in addition to the retraction function, the milling cutter 10 the position of the guide can also be adjusted according to the surgical procedure to be performed The opportunity is provided. The invention also features a handheld device that does not require patient-specific manufacturing or bone fixation. It is structured as a surgical instrument. The parts that make up the invention Because they are detachable, the tool can be taken apart after use, 15 This allows for cleaning and sterilization, making the instrument reusable. It allows for the presentation of a structure. The invention aims to adapt the structure to different application forms. Alternatives are also available. Accordingly, the sliding movement can be done via a linear channel, a slide, or a manual transmission. This can be achieved via an equivalent rail structure; sliding and locking 20 The locking mechanism for securing the group in the selected position is done using screws or clamps. by using the element or an equivalent mechanical fastening structure This is possible. The movable milling guide and the sliding assembly are in one piece. It can be manufactured in a single unit or configured as separate, interchangeable parts. In the preferred application, the notched main retractor body has a movable milling guide with 25 There are three main groups, including the sliding and locking group, and the movable milling guide. It can be adjusted on the main body and fixed at the selected level. The main technical advantage offered by the invention is surgical retraction of soft tissues. Combining the functions of milling and milling on the same handheld tool, The movable milling guide can be adjusted according to the entry level; the adjusted guide is 30. its position can be fixed by means of a sliding and locking group, and the main surgical milling machine It is the mechanical guidance of the retractor body towards the notched distal end. However, the notched distal end provides a protective zone in the direction of the milling cutter's advancement. the formation of a risk of the milling machine moving uncontrollably into the surrounding soft tissues This contributes to its limitation. The device is manufactured specifically for the patient and is designed to fit into the bone. It does not require fastening, can be disassembled, cleaned, sterilized, and is 5 Its reusable nature is another advantage offered by the invention. The aim of the invention is to facilitate soft tissue retraction in zygomatic implant surgery and Mechanical guidance of the surgical burs on a surgical instrument that can be held in the same hand. to achieve this, the position of the movable milling guide is set to the planned milling entry level. To ensure that it is adjusted and fixed in the selected position, surgical milling machine main 10 to direct towards the notched distal end of the retractor body, that distal end by creating a protective zone around the milling machine in the direction of its advancement. to limit the risk of uncontrolled progression to the affected soft tissues and on a patient-specific basis Production that does not require fixation to bone, can be disassembled and cleaned, A sterilizable and reusable zygomatic implant retractor has emerged. to place. The structural and characteristic features and all the advantages of the invention are given in the figures below. And thanks to the detailed explanation written with references to these figures, it becomes clearer. This will be understood as such, and therefore the evaluation will be based on these forms and details. 20 This should be done taking the explanation into consideration. Figures that Aid in Explaining the Invention The invention will be described by referring to the attached figures, so that the features of the invention are defined in 25 This will be understood more clearly. However, the purpose of this is to explain the invention with these specific arrangements. It is not about limiting. On the contrary, it is about limiting the area within which the invention is defined by the accompanying claims. including all alternatives, modifications and equivalencies that could be incorporated. is intended. The details shown are only the preferred aspect of the present invention. It was shown for the purpose of explaining the arrangements and both the methods are 30 the most useful shaping of both the rules and conceptual features of the invention 6 It should be understood that they are presented to provide a readily understandable definition. This drawings; Figure 1: Perspective view of the main retractable body. Figure 2: Side view of the main retractor body 5 Figure 3: Perspective view of the bolt and locking assembly. Figure 4: Close-up perspective view of the bolt and locking assembly. Figure 5: Perspective view of the movable milling guide. Figure 6: Side view of the movable milling guide. Figure 7: Perspective view of the entire device. 10 Figure 8: Side view of the entire device. References that aid in the explanation of the invention. 20. Notched main retractable body 15 30. Movable milling guide 40. Bolt and locking assembly Detailed Description of the Invention This detailed description explains the invention: an adjustable mill-guided zygomatic implant. the retractor is used solely for the purpose of better understanding the subject and without any limitations. It is explained in a way that will not create an impact. The invention in question; 25 • The handle includes a wide, angled working section and a notched distal end, all on a single body. and a protective zone in the direction of the milling process via its notched distal end forming, holding the instrument and removing soft tissues from the surgical field. notched main retractor body (20) which enables its removal, • 30 through the surgical mill with the guide arm connected to the sliding and locking group (40). a surgical milling cutter with a guide opening through which it passes, all on a single piece and notched. mechanically towards the notched distal end of the main retractor body (20) movable milling guide (30) that enables its guidance, 7 • moving linearly on the notched main retractor body (20) carrying the movable milling guide (30), rotating the movable milling guide (30) limiting the planned milling entry of the said movable milling guide (30). allows it to be positioned according to its level and at the specified location. 5 of the parts of the sliding and locking group (40) that ensures its fixation It consists of. The invention describes the basic structure of an adjustable milling-guided zygomatic implant retractor. notched main retractor body (20) forming the instrument in hand during surgical procedure a handle that allows gripping, an angled wide 10 that provides access to the surgical working area The working section and the notched area form a protective zone in the direction of the milling process. The distal end is contained on a single body. The notched main retractor body (20), said Thanks to its structure, it facilitates both the positioning of the instrument during the surgical procedure. by retracting the soft tissues located in the surgical work area It ensures that they are removed from the area. 15 The notched structure located at the distal end of the notched main retractor body (20) is the surgical milling machine. It creates a protective zone to meet the direction of advancement. Thus, the notched main retractor body (20) is used for surgical work on soft tissues. While performing the task of removing it from the area, it also uses a movable milling machine 20. The surgical mill is advanced by passing it through the guide (30) along the direction of advancement. It creates a protective structure. Thanks to this structure, exclusion and The functions of creating a protective zone in the direction of milling movement are the same as the main retractor. It is assembled on the body (20). The movable milling guide (30) that constitutes the invention is connected to the sliding and locking group (40). The guide opening, through which the surgical drill can be passed with the guide arm, is made of a single piece. It includes. The main function of the movable milling guide (30) is to guide the surgical milling. Instead of moving freely, it moves mechanically in a predetermined direction. The aim is to ensure its guidance. Movable milling guide (30), slide and locking group (40) 30 positioned in relation to the main retractor body of the surgical milling machine (20) It guides its progression towards the notched distal end. 8 The position of the movable milling guide (30) on the main retractor body (20) is fixed. This is not the case, and can be changed according to the planned milling entry level. adjustability, together with the sliding and locking group (40) of the movable milling guide (30). This is accomplished by moving it on the main retractor body (20). Thus, the movable milling guide (30) is the milling guide planned for the surgical procedure to be performed. It can be positioned according to the entry level and when the appropriate position is reached, the sliding mechanism... It can be fixed in that position via the locking group (40). Here The entire movable milling guide (30) is directed from the axis by which the guide opening directs the milling. It is displaced in a different direction; thus, the guide opening is only the milling axis. Instead of telescopic movement throughout, the milling entry level is changed. 10 The sliding and locking group (40) is linearly mounted on the main retractor body (20). It is structured in such a way that it can move. The bolt and locking group (40) is movable. carrying the milling guide (30), rotating the said movable milling guide (30). limiting and locking the movable milling guide (30) at the selected level 15 This ensures that the main retractor body (20) of the movable milling guide (30) Its position on it can be changed according to the planned milling entry level, and It can be protected once it is brought to the designated location. In different applications of the invention, the main retractor body of the sliding and locking group (40) 20 (20) different mechanical structures for carrying out its movement on it. It can be used. The sliding movement can be done via a linear channel, slide, or equivalent rail. This can be achieved through its structure. The selected sliding and locking group (40) The locking process, which secures it in place, is done using screws, clamping elements, or... This can be achieved using an equivalent mechanical fastening structure. 25 Thus, the sliding action and locking function of the invention are combined in a single mechanical structure. It can be adapted to different application methods without limitation. Sliding and locking group with movable milling guide (30) in different applications of the invention The structural relationship between (40) can also be formed in different ways. Movable milling machine 30 The guide (30) and the bolt and locking group (40) can be produced as a single piece. It can also be configured in the form of separable parts. Preferred In practice, the invention consists of a notched main retractor body (20), a movable milling guide (30) and It consists of three main groups, including the bolt and locking group (40) and 9 The movable milling guide (30) can be adjusted and selected on the main retractor body (20). It is located in a way that can be fixed at a certain level. The components of the invention are suitable for surgical use and re-sterilization. It is expected to be manufactured from the material. Notched main retractor body (20) and movable 5 Milling guides (30) can be manufactured from sterilizable surgical materials; slides and The locking group (40) can be manufactured and combined with the movable milling guide (30). Production methods include computerized numerical control machining, wire erosion, laser cutting, and additive machining. One or more of the manufacturing methods can be used. Material, tolerance and Surface treatments can be determined according to production and mechanical compatibility requirements. 10 The subject of the invention is the use of an adjustable milling-guided zygomatic implant retractor. The relevant methodological steps are as follows: • the notched distal end of the main retractor body (20) is located behind the zygomatic bone placement on the side and retraction of soft tissues, 15 • Attaching the movable milling guide (30) to the sliding and locking group (40), • planned on the sliding and locking group (40), main retractor body (20) Moving the milling cutter relative to the entry level, • fixing the sliding and locking group (40) in the selected position, • 20 through the guide opening in the movable milling guide (30) of the surgical mill passing, • Advancing the milling cutter towards the notched distal end and returning the milling cutter after the procedure. by pulling loosening the lock of the sliding and locking group (40) and the parts separation from each other It consists of process steps. 25 The invention is used primarily at the notched distal end of the notched main retractor body (20). It is placed on the posterior side of the zygomatic bone and has a notched main retractor body (20) Soft tissues are removed from the surgical field via this method. (Mobile) The milling guide (30) is connected to the slide and locking assembly (40) and the slide and locking assembly 30 group (40) is moved linearly on the main retractor body (20) The movable milling guide (30) is brought to the planned milling entry level. Movable milling guide After the guide (30) is brought to the appropriate level, the sliding and locking group (40) is selected It is fixed in position. The surgical milling tool is passed through the guide opening of the movable milling guide (30) and Guided by the movable milling guide (30), the notched main retractor body (20) 5 It is advanced towards the notched distal end. During this time, the notched main retractor body (20) While facilitating the removal of soft tissues from the surgical field, the notched distal end It forms a protective surface in the direction of milling movement. This prevents the milling machine from moving. The milling guide (30) provides mechanical guidance of the surgical milling while the notched main Retractor body (20) protective zone in the direction of retraction and milling advancement 10 It performs creation tasks. After the surgical procedure was completed, the milling tool was returned from the movable milling guide (30). is pulled, the lock of the bolt and locking group (40) is loosened and the invention is formed The parts are separated from each other. Thanks to its detachable structure, the surgery 15 The instrument can be cleaned and sterilized after use, and It can be reused. Thus, the subject of the invention is an adjustable milling guide zygomatic. Implant retractor, retraction and milling functions can be performed in the same hand in surgical equipment. The tool can be disassembled and reassembled after use while performing the task. It offers a usable structure. 20 Each request mentions a reference number following the technical specifications mentioned, which Reference numbers have been used solely to facilitate understanding of the requests. Therefore, these are indicated with these reference numbers for illustrative purposes only. It should not be thought that any of the elements limit its scope. 30

Claims

11 REQUESTS 1. The invention relates to an adjustable milling-guided zygomatic implant retractor, the feature of which is; • The handle includes a wide, angled working section and a notched distal end, all on a single body. and a protective zone in the direction of the milling process via its notched distal end 5 forming, holding the instrument and removing soft tissues from the surgical field. notched main retractor body (20) which enables it, • through the surgical mill with the guide arm connected to the sliding and locking group (40). a surgical milling cutter with a guide opening through which it passes, all on a single piece and notched. mechanically orient towards the notched distal end of the main retractor body (20)10 movable milling guide (30) that enables its revival, • moving linearly on the notched main retractor body (20) carrying the movable milling guide (30), rotating the movable milling guide (30) limiting the planned milling entry of the said movable milling guide (30). allows it to be positioned according to its level and at the specified location 15 It includes the parts of the sliding and locking group (40) that enable it to be fixed.

2. The invention relates to the working method of an adjustable milling-guided zygomatic implant retractor. related to; its characteristic is; • the notched distal end of the main retractor body (20) on the posterior side of the zygomatic bone-20 placement of the fistula and retraction of soft tissues, • Attaching the movable milling guide (30) to the sliding and locking group (40), • planned on the sliding and locking group (40), main retractor body (20) Moving the milling cutter relative to the entry level, • fixing the sliding and locking group (40) in the selected position, 25 • Pass through the guide opening in the movable milling guide (30) of the surgical milling machine. giving, • Advancing the milling cutter towards the notched distal end and returning the milling cutter after the procedure. by pulling loosening the lock of the sliding and locking group (40) and the parts The separation of them involves processing steps. 30

Images