CN111529133B

CN111529133B - Windowing system for cheekbone planting

Info

Publication number: CN111529133B
Application number: CN202010358265.4A
Authority: CN
Inventors: 邹多宏; 高振华; 杨驰; 张志愿
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Gaofeng Medical Equipment Wuxi Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2023-02-21
Anticipated expiration: 2040-04-29
Also published as: CN111529133A

Abstract

The invention relates to the technical field of cheekbone planting, in particular to a cheekbone planting windowing system. The windowing system comprises a positioning device, the positioning device comprises a positioning handle body, the positioning handle body comprises a positioning portion, a transition portion and a guide portion, the positioning portion, the transition portion and the guide portion are sequentially connected, a positioning hook is arranged at the near end of the positioning portion, the positioning device further comprises a windowing guide plate support and a handle, the near end of the windowing guide plate support is connected with the far end of the guide portion, the far end of the windowing guide plate support is connected with the handle, and a windowing guide plate is arranged on the windowing guide plate support. The zygomatic bone implant windowing system provided by the invention can indicate the zygomatic bone implant windowing position, the three-dimensional direction and angle of the prepared hole and the like in the zygomatic bone implant maxillary sinus windowing, positioning and preparing processes, and is beneficial to finally, safely and effectively implanting the zygomatic bone implant at an ideal position.

Description

Windowing system for cheekbone planting

Technical Field

The invention relates to the technical field of cheekbone planting, in particular to a cheekbone planting windowing system.

Background

The zygomatic bone grafting technology is proposed by a Breimark professor team of Swedish physicians in 1988, and provides a repairing mode of implant support by using zygomatic bone to implant an implant aiming at cases of serious bone defect of maxilla or alveolar bone atrophy, and the clinical planting success rate is up to 96.04%. The cheekbone-wearing planting repair does not need bone grafting, has short healing time, can realize immediate load bearing during immediate planting, and is accepted by patients in comfort, beauty and pronunciation.

The zygomatic implant is entered from the maxillary alveolar ridge, zygomatic bones are implanted through the maxillary sinus or along the buccal bone wall of the maxillary sinus, 1 to 3 zygomatic implant bodies can be implanted into single-side zygomatic bones, and the implant body is fixed by the aid of a compact bone block of the zygomatic bones, so that effective initial stability is finally obtained; meanwhile, 0-4 conventional dental implants are implanted in the anterior dental area to jointly complete the repair of the maxillary dentition. The length of the zygomatic bone implant commonly used in clinic is 30.0-52.5 mm, the anatomical structure around the zygomatic bone is complex, and a plurality of important organs are provided. The problem that the implanted body is close to the orbit, is implanted into the infratemporal fossa or has insufficient implantation depth and poor initial stability is common in clinic. Wherein the windowing position, range and height of the maxillary sinus are important in the aspects of zygomatic bone base fixed point, three-dimensional direction determination, hole preparation and reaming, implant implantation and the like.

Disclosure of Invention

In view of the above shortcomings of the prior art, it is an object of the present invention to provide a zygomatic implant windowing system to solve the problems of the prior art.

In order to achieve the above and other related objects, the invention provides a zygomatic implantation windowing system, which comprises a positioning device, wherein the positioning device comprises a positioning handle body, a windowing guide plate bracket and a handle which are sequentially connected, the positioning handle body comprises a positioning part, a transition part and a guide part which are sequentially connected end to end, the guide part is connected with the windowing guide plate bracket, a positioning hook is arranged at the end of the window guide plate bracket far away from the positioning part, and a windowing guide plate is arranged on the windowing guide plate bracket.

In some embodiments of the present invention, the positioning hook includes a bridging portion, and the bridging portion is connected to the positioning portion by a hook connection portion.

In some embodiments of the present invention, an angle δ between the hook coupling portion in an axial direction thereof and the positioning portion in an axial direction thereof is 120 to 160 degrees.

In some embodiments of the invention, the fenestration guide plate bracket is sleeved and/or hinged with the guide; the windowing guide plate bracket is sleeved and/or hinged with the handle.

In some embodiments of the present invention, the window guide bracket is sleeved with the guide portion, and an included angle α between the guide portion and the window guide bracket along the axial direction of the guide portion is an acute angle.

In some embodiments of the invention, the window guide bracket is provided with a first angle ring, and the first angle ring is matched with the guide part and can slide along the extending direction of the guide part; and a first fastener is arranged on the first angle ring.

In some embodiments of the invention, the handle is provided with a second angle ring, the second angle ring is matched with the windowing guide plate bracket and slides along the extending direction of the windowing guide plate bracket; and a second fastener is arranged on the second angle ring.

In some embodiments of the present invention, the windowing guide plate comprises a frame, a connecting device and a sliding piece, the sliding piece is matched with the windowing guide plate bracket and can slide along the extending direction of the windowing guide plate bracket, the connecting device comprises a supporting piece for supporting the frame and a telescopic connecting piece, the supporting piece and the sliding piece are connected through the connecting piece, and the frame is provided with a maxillary anterior wall positioning hole.

In some embodiments of the invention, the frame includes two first sides which are symmetrically distributed, the supporting member includes a first supporting portion and a second supporting portion, one end of the first supporting portion and one end of the second supporting portion which are close to the frame are respectively located on the two first sides of the frame, and one end of the first supporting portion and one end of the second supporting portion which are far from the frame are arranged at an angle and connected with one end of the connecting member which is far from the sliding member.

In some embodiments of the invention, the angle α between the positioning handle body along its axial direction and the fenestration guide support along its axial direction is 17-45 degrees.

In some embodiments of the present invention, the positioning handle is provided with a first identification body.

In some embodiments of the invention, the handle is provided with a non-slip groove.

In some embodiments of the invention, the included angle between the first supporting part and the frame is 20 to 40 degrees; the included angle between the second supporting part and the frame is 20-40 degrees.

In some embodiments of the present invention, the ends of the first supporting portion and the second supporting portion connected to the frame are respectively located in the middle of two first side edges symmetrically distributed on the frame.

In some embodiments of the present invention, the frame is further provided with a second identifier.

In some embodiments of the invention, the slider is a hollow sleeve that is sleeved over the fenestration guide bracket.

Drawings

Fig. 1 is a front view of a zygomatic implantation windowing system according to a first embodiment of the present application.

Fig. 2 is a schematic front view of a zygomatic implantation windowing system according to a second embodiment of the present application.

Fig. 3 is a schematic side view of a zygomatic implantation windowing system according to a second embodiment of the present application.

Fig. 4 is a front view of a positioning device in the zygomatic implantation windowing system according to the first embodiment of the application.

Fig. 5 is a schematic front view of a positioning device in a zygomatic implantation windowing system according to a second embodiment of the present application.

Fig. 6 is a schematic front view structure diagram of a window opening guide plate in the zygomatic planting window opening system of the application.

Fig. 7 is a schematic bottom view of a window guide plate in the zygomatic implantation windowing system of the present application.

Fig. 8 is a front view structural diagram of a positioning handle body and a positioning hook in the zygomatic implantation windowing system according to the first embodiment of the application.

Fig. 9 is a side view of the positioning handle and the positioning hook in the zygomatic implantation windowing system according to the first embodiment of the application.

Fig. 10 is a schematic view of the configuration of the zygomatic implant windowing system of the present application in use.

Element numbers in the figures of the present application:

1. positioning device

11. Positioning handle body

111. Positioning part

112. Transition part

113. Guide part

12. Positioning hook

121. Lap joint part

122. Hook connection

13. Guide plate bracket for opening window

14. Handle (CN)

141. Gripping part

142. Direction part

15. First sign body

16. Anti-skid groove

171. First angle ring

172. Second angle ring

181. First fastener

182. Second fastener

21. Frame structure

211. The first side edge

212. Second side edge

213. Maxillary anterior wall positioning hole

22. Connecting device

221. Support piece

2211. A first supporting part

2212. Second supporting part

222. Connecting piece

23. Sliding member

24. Second label

31. Zygomatic bone incisal mark

32. Zygomatic frontalis

33. Zygomatic arch

34. Maxillary sinus front wall

35. Maxillary suture zygomatic bone base

Detailed Description

In the description of the present application, it should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present application are only used for matching the disclosure of the present application, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so that the present application has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope that the technical contents disclosed in the present application can be covered without affecting the efficacy and the achievable purpose of the present application. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 3, the present application embodiment provides a zygomatic implantation windowing system, the windowing system includes a positioning device 1, the positioning device 1 includes a positioning handle body 11, a windowing guide plate support 13 and a handle 14 that are connected in sequence, the positioning handle body 11 includes a positioning portion 111, a transition portion 112 and a guide portion 113 that are connected end to end in sequence, the guide portion 113 is connected with the windowing guide plate support 13, a far windowing guide plate support end of the positioning portion 111 is provided with a positioning hook 12, and the windowing guide plate support 13 is provided with a windowing guide plate 2. The zygomatic implant windowing system can be suitable for ZAGA0-4 anatomical classifications, as shown in figures 1-3, the windowing guide plate 2 is mounted on the windowing guide plate support 13, and during the windowing, positioning and hole preparation processes of the maxillary sinus during zygomatic implant planting, the windowing position and the three-dimensional direction and angle of the hole preparation are indicated, so that the zygomatic implant can be finally, safely and effectively implanted into an ideal position. The positioning handle body 11 is used for detecting and determining the zygomatic bone implanting angle and direction, and the windowing guide plate bracket 13 can provide a bracket function for the windowing guide plate. The guide portion 113 serves to guide the three-dimensional direction of the zygomatic notch 31 downward.

In the zygomatic planting windowing system provided by the embodiment of the application, as shown in fig. 1 to 5, the positioning hook 12 includes the overlapping portion 121, and the overlapping portion 121 is connected with the positioning portion 111 through the hook connection portion 122. The positioning hook 12 is matched with the position of the zygomatic bone incisal mark 31, wherein the intersection angle area of the body surface zygomatic bone zygomatic arch 33 and the zygomatic bone frontal process 32 is the zygomatic bone incisal mark 31. The positioning hook 12 is used for positioning the position of the zygomatic bone notch 31 in the zygomatic bone implantation, and guiding and determining the position before and after the zygomatic bone implantation.

Further, as shown in fig. 1 to 5, a hook angle γ of the overlapping portion 121 and the hook coupling portion 122 is 20 to 40 degrees. The hook angle is an included angle formed by the lapping part 121 and the hook connecting part 122, the direction of the hook angle faces the positioning handle body 11, the hook angle is used for positioning the position of the zygomatic bone incisal trace 31 in the zygomatic bone implantation, and the intersection angle area of the body surface zygomatic bone zygomatic arch 33 and the zygomatic frontal process 32 is the zygomatic bone incisal trace 31. And guiding and determining the positions of the cheekbones before and after planting. Within this angle, the positioning device 1 can be effectively fixed on the thin zygomatic incise 31 to form stable retention, so that the zygomatic implant can be guided to be implanted in the right direction.

Further, the length of the overlapping part 121 is 1 to 3mm. The length of the hook connection part 122 is 3 to 6mm.

Further, as shown in fig. 1 to 5, an angle δ formed by the hook coupling portion 122 and the positioning portion 111 along the axial direction thereof is 120 to 160 degrees. The included angle is an angle formed between an axial extending direction from the distal positioning hook end of the positioning portion 111 to the proximal positioning hook end of the positioning portion 111 and an axial extending direction from the connection end of the hook connection portion 122 and the positioning portion 111 to the connection end of the hook connection portion 122 and the overlapping portion 121. Within this angle, the positioning device can be effectively fixed on the thin zygomatic incisal track 31, forming stable retention, thus guiding the zygomatic implant to be implanted in the right direction.

In the zygomatic planting windowing system provided by the embodiment of the application, the windowing guide plate bracket 13 is sleeved and/or hinged with the guide part 113; the window guide bracket 13 is sleeved and/or hinged with the handle 14.

In one embodiment, as shown in fig. 1 and 4, the window guide bracket 13 is sleeved with the guide portion 113; the windowing guide plate bracket 13 is sleeved with the handle 14. The integral positioning device 1 is a cheekbone planting combined positioning device.

Furthermore, a first angle ring 171 is arranged on the windowing guide plate bracket 13, and the positioning handle body 11 is connected with the windowing guide plate bracket 13 through the first angle ring 171. The first angular ring 171 is sized to fit the guide portion 113 of the positioning stem 11. In one embodiment, the first angled ring 171 is disposed at the proximal guide portion 113 end of the fenestration guide support 13, and the first angled ring 171 is angled with respect to the fenestration guide support 13. The first angled ring 171 may be, for example, a hollow sleeve. The first angle ring 171 is usually integrally connected to the window guide bracket 13, the first angle ring 171 is detachably and slidably connected to the positioning handle body 11, and the axial direction of the first angle ring 171 is the same as the axial direction of the positioning handle body 11. The first angle ring 171 is provided with a first fastening member 181, and the first angle ring 171 is engaged with the guide portion 113, slides along the extending direction of the guide portion 113, and can be fixed to the guide portion 113 by the first fastening member 181 at a proper position.

Further, a second angle ring 172 is arranged on the handle 14, and the handle 14 is connected with the windowing guide plate bracket 13 through the second angle ring 172. The second angled ring 172 matches the dimensions of the fenestration guide bracket 13. In one embodiment, the second angled ring 172 is disposed at the proximal end of the handle 14 toward the fenestration guide support 13, and the second angled ring 172 is angled with respect to the handle 14. The second angled ring 172 may be, for example, a hollow sleeve. The second angle ring 172 is typically integrally connected to the handle 14, the second angle ring 172 is detachably and slidably connected to the window guide bracket 13, and the axial direction of the second angle ring 172 is the same as the axial direction of the window guide bracket 13. A second fastener 182 is disposed on the second angled ring 172. The second angle ring 172 is engaged with the window guide bracket 13 and slides in the extending direction of the window guide bracket 13, and is fixable to the window guide bracket 13 by a second fastener 182 at a proper position.

The handle 14 can be connected with the positioning handle body 11 when the positioning handle body 11 is installed, so that the positioning handle body 11 can be conveniently placed in, and the handle 14 can be taken down after the positioning handle body 11 is installed. Or after the positioning handle body 11 is installed, the windowing guide plate bracket 13 is connected in the process of installing the positioning bracket, so as to assist in stabilizing and completing the three-dimensional positioning of the zygomatic implant and the positioning and fixing of the windowing guide plate 2.

Further, the angle between the guide portion 113 and the window guide bracket 13 along the axial direction thereof is an acute angle. Specifically, an included angle α between the guide portion 113 and the window guide bracket 13 along the axial direction thereof is 17 to 45 degrees. The proper angle can be selected according to the anatomical requirements in clinic, and the design can ensure that the positioning device is effectively fixed at the thinner zygomatic bone notch 31 to form stable retention, so that the zygomatic bone implant can be guided to be implanted in the right direction.

Further, the angle β between the window guide bracket 13 and the handle 14 along the axial direction thereof is acute. Specifically, the included angle β between the window guide bracket 13 along the axial direction thereof and the handle 14 along the axial direction thereof is 20 to 80 degrees. Within the included angle range, the positioning device can be effectively fixed on the thinner zygomatic bone incisal track 31 to form stable retention, so that the zygomatic bone implant can be guided to be implanted in the right direction.

As shown in fig. 8 and 9, in the zygomatic planting windowing system provided in the embodiment of the application, the positioning portion 111 may be a cylinder, the guiding portion 113 may be a cylinder, and the transition portion 112 is used for connecting the positioning portion 111 and the guiding portion 113. The length ratio of the positioning part 111, the transition part 112 and the guide part 113 in combination is 10-30: 3-5 mm. The window opening guide plate can be suitable for different bone heights within the range, and provides accurate positioning for the zygomatic bone implantation window opening guide plate.

Specifically, the length of the positioning part 111 is 10 to 30mm. The length of the transition part 112 is 3-5 mm. The length of the guide portion 113 is 20 to 40mm.

Further, as shown in fig. 9, the width ratio of the positioning portion 111 to the guide portion 113 is 4 to 8:2 to 4. Within the range, the locator can reach the zygomatic bone notch 31 smoothly, and the soft tissues of the face are prevented from being damaged in the operation.

Specifically, the width of the positioning portion 111 is 4 to 8mm, and the width of the guide portion 113 is 2 to 4mm.

Further, as shown in fig. 8, the thickness ratio of the positioning portion 111 to the guide portion 113 is 1 to 1.5:2 to 4. Within the range, the locator can reach the zygomatic bone incisal mark 31 smoothly, and the facial soft tissue is prevented from being damaged in the operation.

Specifically, the thickness of the positioning part 111 is 1 to 1.5mm, the thickness of the guide part 113 is 2 to 4mm,

further, the transition portion 112 smoothly transitions from the connection end with the positioning portion 111 to the connection end of the transition portion 112 with the guiding portion 113. The transition portion 112 is a plane transition on the bone tissue side and a gentle slope smooth transition on the soft tissue side when disposed. Therefore, the positioning device can smoothly reach the zygomatic bone incisal mark 31 and conform to the zygomatic bone surface to obtain stable fixation, accurate positioning is favorably provided for zygomatic bone implantation and windowing guide plates, and the occurrence of facial soft tissue injury and implantation complications in the operation is avoided. Specifically, as shown in fig. 8, the thickness of the junction between the transition portion 112 and the positioning portion 111 is equal to the thickness of the positioning portion 111, the thickness of the junction between the transition portion 112 and the guide portion 113 is equal to the thickness of the guide portion 113, and the thickness of the middle section of the transition portion 112 is between the thicknesses of the positioning portion 111 and the guide portion 113. As shown in fig. 9, the width of the transition portion 112 connected to the positioning portion 111 is equal to the width of the positioning portion 111, the width of the transition portion 112 connected to the guide portion 113 is equal to the width of the guide portion 113, and the width of the middle section of the transition portion 112 is between the widths of the positioning portion 111 and the guide portion 113.

Further, the length ratio of the positioning handle body 11 to the windowing guide plate bracket 13 is 1:1 to 2:1. therefore, the locator can smoothly reach the zygomatic bone notch 31, and the facial soft tissue is prevented from being damaged in the operation.

Further, the length of the positioning handle body 11 is 40-80 mm. The length of the windowing guide plate bracket 13 is 20-60 mm.

In another embodiment, as shown in fig. 2, 3 and 5, the window guide bracket 13 is hinged to the guide portion 113 and may be connected by a hinge. The integral positioning device 1 is a zygomatic planting articulated positioning device. Wherein, the positioning handle body 11, the windowing guide plate bracket 13 and the handle 14 are sequentially connected end to end.

Furthermore, the window-opening guide plate bracket 13 is hinged or clamped with the handle 14. In particular a hinged connection or a snap connection.

Further, the positioning portion 111 may be a cylinder, the guiding portion 113 may be a cylinder, and the transition portion 112 is used for connecting the positioning portion 111 and the guiding portion 113. The length ratio of the positioning part 111, the transition part 112 and the guide part 113 is 10-20: 10 to 20:5 to 10. The window opening guide plate can be suitable for different bone heights within the range, and provides accurate positioning for the zygomatic bone implantation window opening guide plate.

Specifically, the length of the positioning part 111 is 10 to 20mm. The length of the transition part 112 is 10-20 mm. The length of the guide portion 113 is 5 to 10mm.

Further, as shown in fig. 3, the width ratio of the positioning part 111 to the guiding part 113 is 4 to 8:2 to 4. Within the range, the positioning device can reach the zygomatic bone incisal mark 31 smoothly, and the facial soft tissue is prevented from being damaged in the operation.

Further, as shown in fig. 2, the thickness ratio of the positioning part 111 to the guiding part 113 is 1 to 1.5:2 to 4. Within the range, the positioning device can reach the zygomatic bone incisal mark 31 smoothly, and the facial soft tissue is prevented from being damaged in the operation.

Specifically, the thickness of the positioning portion 111 is 1 to 1.5mm, and the thickness of the guide portion 113 is 2 to 4mm.

Further, the transition portion 112 smoothly transitions from the connection end with the positioning portion 111 to the connection end of the transition portion 112 with the guiding portion 113. The transition portion 112 is a plane transition on the bone tissue side and a gentle slope smooth transition on the soft tissue side when disposed. Therefore, the zygomatic bone incisal mark 31 can be reached smoothly by the positioning device, and the facial soft tissue is prevented from being damaged in the operation. Specifically, as shown in fig. 2, the thickness of the junction between the transition portion 112 and the positioning portion 111 is equal to the thickness of the positioning portion 111, the thickness of the junction between the transition portion 112 and the guide portion 113 is equal to the thickness of the guide portion 113, and the thickness of the middle section of the transition portion 112 is between the thicknesses of the positioning portion 111 and the guide portion 113. As shown in fig. 3, the width of the transition portion 112 connected to the positioning portion 111 is equal to the width of the positioning portion 111, the width of the transition portion 112 connected to the guide portion 113 is equal to the width of the guide portion 113, and the width of the intermediate portion of the transition portion 112 is between the widths of the positioning portion 111 and the guide portion 113.

Further, the length ratio of the positioning handle body 11 to the windowing guide plate bracket 13 is 1:1 to 2:1. therefore, the positioning device can smoothly reach the zygomatic incisal track 31, and the facial soft tissue is prevented from being damaged in the operation.

Further, the length of the positioning handle body 11 is 20-50 mm. The length of the windowing guide plate bracket 13 is 10-30 mm.

In the zygomatic implantation windowing system provided by the embodiment of the application, as shown in fig. 1 to 5, the positioning handle body 11 is provided with a first identification body 15.

Further, a first identification body 15 is arranged on the positioning handle body 11 in the axial direction. The first marking body 15 is selected from laser marking lines, which may be selected in different colors, for example, black laser marking lines.

According to the zygomatic planting windowing system provided by the embodiment of the application, as shown in fig. 1 to 5, the handle 14 is provided with the anti-slip groove 16.

Further, as shown in fig. 1 to 5, the anti-slip groove 16 may be disposed in the transverse direction and/or the longitudinal direction of the handle 14 for anti-slip stabilization during the operation.

Further, as shown in fig. 1 to 5, the handle 14 has a spindle shape, the handle 14 includes a holding portion 141 and a direction portion 142, the direction portion 142 is connected to the window-opening guide bracket 13, and a diameter of the holding portion 141 is larger than a diameter of the direction portion 142. The direction portion 142 is attached to the lateral wall of the maxillary sinus.

In the zygomatic implantation windowing system provided by the embodiment of the application, the windowing guide plate 2 is arranged on the windowing guide plate bracket, as shown in fig. 6 and 7, the windowing guide plate 2 comprises a frame 21, a connecting device 22 and a sliding piece 23, the sliding piece 23 is matched with the windowing guide plate bracket 13 and can slide along the extending direction of the windowing guide plate bracket 13, the connecting device 22 comprises a supporting piece 221 for supporting the frame 21 and a telescopic connecting piece 222, the supporting piece 221 and the sliding piece are connected through the connecting piece 222, and the frame 21 is provided with a maxillary anterior wall positioning hole 213. Typically, the zygomatic implant fenestration guide is used to indicate the location, size and configuration of fenestrations of the anterior maxillary sinus wall 34 for the zygomatic implant. The connecting device 22 can be arranged to enable the window guide plate to be adjusted and controlled at will without affecting the operation visual field. The telescopic connector 222 facilitates positioning of the zygomatic implant fenestration guide of the present application at the fenestration site of the zygomatic implant maxillary sinus anterior wall 34.

In the window guide, the shape of the frame 21 may be various shapes known in the art and suitable for window guides, and in some embodiments, the shape of the frame 21 is rectangular or square.

Further, the frame 21 includes a first side 211 and two second sides 212, the first side 211 and the second side 212 are symmetrically distributed, and two ends of the first side 211 are connected to form the frame 21 through two ends of the second sides 212, respectively.

Further, the frame 21 includes an outer frame and an inner frame disposed in parallel, for example, the outer frame has a length of 20mm and a width of 13mm. The length of the inner frame is 15mm, and the width of the inner frame is 8mm. The distance between outline and the interior frame is 2.5mm, the thickness of square frame is 2mm.

Further, the supporting member 221 includes a first supporting portion 2211 and a second supporting portion 2212, one ends of the first supporting portion 2211 and the second supporting portion 2212 close to the frame 21 are respectively located on two first side edges 211 of the frame, and one ends of the first supporting portion 2211 and the second supporting portion 2212 far from the frame 21 are arranged at an angle and connected with one ends of the connecting members 222 far from the sliding members. The connecting device is generally Y-shaped, and the first support 2211 and the second support 2212 are V-shaped with the openings facing the frame 21.

In the window guide, the three-dimensional angle adjustment is convenient according to the anatomical requirements under the normal condition, the sliding piece 23 is used for connecting the window guide bracket 13 in the positioning device 1, and the zygomatic implanting window guide can be fixed on the window guide bracket through the sliding piece 23 when in use. According to clinical anatomy, the fenestration guide plate bracket 13 slides along the extending direction, and after the fenestration guide plate bracket is adjusted to a proper position, a fixing piece, such as a locking screw, is locked and then fixed.

In the window guide, the included angle between the first support part 2211 and the frame 21 is 20 to 40 degrees; the included angle between the second support portion 2212 and the frame 21 is 20-40 degrees. To explain further, for example, the included angle between the first supporting portion 2211 and the frame 21 refers to, for example, an acute angle formed by a straight line of the first supporting portion 2211 and the projection thereof in the plane of the frame 21. The included angle between the second support portion 2212 and the frame 21 refers to, for example, an acute angle formed by a straight line of the second support portion 2212 and the projection thereof in the plane of the frame 21. The included angle is in the range, so that the windowing guide plate 2 can be adjusted and controlled at will, and the operation visual field is not influenced. In one embodiment, the angle between the first supporting portion 2211 and the plane of the frame 21 is 30 degrees. The included angle between the second supporting portion 2212 and the plane where the frame 21 is located is 30 degrees.

Generally, the specific position where the first support 2211 and the second support 2212 are connected to the two first sides 211 of the frame 21 is not limited, and in a specific embodiment, the first support 2211 and the second support 2212 are respectively located in the middle of the two first sides 211 symmetrically distributed on the frame 21. The window guide plate has the advantages that the window guide plate can be adjusted and controlled randomly, and the operation visual field is not influenced.

Further, the first and

second support parts

2211 and 2212 may be selected from a cylinder, and the diameter of the cylinder may be, for example, 2 to 4mm.

In the sash guide, in the connecting device 22, the connecting member 222 is generally a telescopic structure that can be applied to the present application.

Further, the connector 222 is selected from a retractable sleeve.

Further, the length of the connecting member 222 is 5 to 10mm. The link 222 may be 5mm in compression and the link 222 may be extendible up to 10mm at its longest.

Further, the frame 21 may be connected with the connection means 22 by a spherical joint.

In the window guide, a second sign body 24 is further provided on the frame 21. The mark body is designed to be convenient for matching the guide plate, positioning and guiding the windowing range and guiding the tooth planting preparation hole direction according to the implant implantation direction.

Further, the second identification body 24 may be, for example, an identification line, and more specifically, may be, for example, a laser identification line, and the laser identification line may be selected to have a suitable color, and may be, for example, black.

Further, the second indicator 24 is disposed on two second sides 212 of the frame 21. The second marker 24 is usually in the same sagittal orientation as the first marker 15 on the positioning device 1. The sagittal orientation is a plane which divides the human body into two parts which are symmetrical left and right. The design is convenient for matching the guide plate according to the implantation direction of the implant, positioning and guiding the windowing range and guiding the tooth implant preparation hole direction.

In the window guide, a maxillary anterior wall positioning hole 213 is provided in the frame 21. And a fixture that mates with the maxillary anterior wall alignment hole 213. The fixture secures the frame 21 through the maxillary anterior wall positioning hole 213.

Furthermore, maxillary anterior wall positioning holes 213 are formed around the frame 21.

Further, the fixing member may be a screw, preferably a medical stainless steel self-tapping screw, which may have a diameter of 1.2mm, for example. The window guide plate is used for fixing the window guide plate after being guided to be in place, is disposable, and can be withdrawn and discarded after the implant is implanted.

The working process of the application is as follows:

in general, ZAGA zygomatic implantation windowing systems are provided in work boxes for clinical use after sterilization.

Clinically, after local anesthesia and flap turning, the zygomatic bone cutting mark 31 is indicated by the body surface through the positioning handle body 11 for zygomatic bone implantation, the zygomatic bone cutting mark is placed, suspended and fixed for guiding the zygomatic bone implantation direction, the windowing guide plate bracket 13 is set at a proper angle after confirmation, the windowing guide plate 2 is placed on the windowing guide plate bracket 13, the fixed handle 14 is connected, the angle is adjusted according to the implantation site, the windowing is completed after confirmation is correct, and the preparation of a hole and the implantation of an implant can be completed by referring to preoperative design. After clinical use, the cleaning and disinfection kit is put in the tool box again for standby. The use of the zygomatic implant windowing system of the present application is detailed in fig. 10. The clinical use is as follows:

1. carrying out conventional anesthesia according to zygomatic bone planting, determining a planting site, turning a valve, and carrying out minimally-invasive tunnel stripping by using a stripper to reach a zygomatic bone cutting track 31;

2. the cheekbone incising positioning handle body 11 is placed: connecting the handle 14 with the guide portion 113 of the positioning handle body 11 and locking the retaining screw; the crossing angle area of the body surface zygomatic arch 33 and the zygomatic frontal process 32 is the zygomatic incisal track 31, the operation marking pen is used for marking, the operation area is fully exposed in the mouth, the positioning part 111 of the zygomatic implant positioning device is slowly pushed towards the zygomatic incisal track direction by being attached to the bone surface through the lower part of the soft tissue valve, the abdomen of the index finger and the middle finger of the other hand can be used for touch sensing on the skin surface during pushing, further the pushing direction of the positioner is corrected, when the zygomatic incisal track 31 height is reached, the positioning part 111 of the positioning handle body 11 is slightly pushed inwards towards the temporal side of the zygomatic incisal track 31 while being pushed upwards, and is immediately clamped at the position of the zygomatic incisal track 31. At this time, the positioning handle body 11 is put in, and the handle 14 is detached after the positioning handle body is put in;

2. the intraoral combination opens the guide plate support of the window:

as shown in fig. 1, (1) a positioning bracket of the windowing guide plate with a proper angle is selected according to the angle difference between the guide part 113 of the positioning handle body 11 and the anterior wall 34 of the maxillary sinus, the first angle ring 171 of the bracket 13 of the windowing guide plate is sleeved on the guide part 113 of the positioning handle body 11, when the positioning bracket is sleeved, the bracket 13 of the windowing guide plate and the first mark 15 of the positioning handle body 11 are placed on the buccal surface, and on the premise of stably fixing the positioning handle body 11, the bracket 13 of the windowing guide plate is pushed upwards along the guide part 113 of the positioning handle body 11, the first angle ring 171 of the bracket 13 of the windowing guide plate is close to the zygomatic suture zygomatic bone base part 35, and the first fastener 181 is locked. Completing the connection of the windowing guide plate bracket 13; (2) The windowing guide plate 2 is placed on the windowing guide plate bracket 13, and the windowing guide plate 2 is positioned on the front wall 34 of the maxillary sinus; (3) The windowing guide plate bracket 13 is connected with the handle 14, and the zygomatic implantation positioning device 1 is adjusted according to preoperative design and guidance of an implantation site and a zygomatic incisal direction, so that the positioning handle body 11 of the zygomatic incisal line 31, the windowing guide plate bracket 12 and the implant are designed to be at the same sagittal position in the three-dimensional direction. And adjusting the connecting device of the windowing guide plate to enable the second cheek side surface identification body 24 of the windowing guide plate and the first cheek side surface identification body 15 of the zygomatic bone-penetrating planting positioner to be located at the same sagittal position and point to the zygomatic bone incisal trace direction, further confirming that the assembly is stable, and positioning the windowing guide plate and finishing windowing the maxillary sinus after confirming that the planting site and the three-dimensional direction are correct.

As shown in fig. 2 and 3, (1) the windowing guide plate bracket 13 is closed towards the buccal side of the alveolar ridge of the implantation site, and a hinge joint screw is locked; (2) According to preoperative design, the cheekbone planting positioning device 1 is adjusted according to the guidance of the planting site and the cheekbone cutting track direction, so that the three-dimensional directions of the positioning handle body 11 of the cheekbone cutting track 31, the windowing guide plate support 12 and the implant design are in the same sagittal position. Adjusting the connecting device of the windowing guide plate, enabling the cheek side surface second identification body 24 of the windowing guide plate and the cheek side surface first identification body 15 of the cheekbone-penetrating planting positioner to be located at the same sagittal position and point to the cheek bone incisure direction, fixing the windowing guide plate, further confirming that the above components are stable, and after confirming that the planting site and the three-dimensional direction are correct, positioning of the windowing guide plate and windowing of maxillary sinus can be carried out.

3. According to preoperative design and ZAGA classification, the fixed point and the three-dimensional direction of the basal part of the cheekbone are determined according to a cheekbone planting positioning device and windowing guidance, and the working processes of planting channel preparation, implant implantation and the like are completed according to a cheekbone-passing planting process.

In summary, the zygomatic bone implantation windowing system provided by the embodiment of the application indicates the zygomatic bone implantation windowing position, the three-dimensional direction and the angle of the prepared hole and the like in the process of windowing, positioning and preparing the maxillary sinus for zygomatic bone implantation, and is beneficial to the final safe and effective implantation of the zygomatic bone implantation body at an ideal position. The positioning handle body 11 is used for detecting and determining the zygomatic bone planting angle and direction, and the windowing guide plate bracket 13 can provide a bracket function for the windowing guide plate.

In conclusion, the present application effectively overcomes various disadvantages in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. The zygomatic planting windowing system is characterized by comprising a positioning device (1), wherein the positioning device (1) comprises a positioning handle body (11), a windowing guide plate support (13) and a handle (14) which are sequentially connected, the positioning handle body (11) comprises a positioning part (111), a transition part (112) and a guide part (113) which are sequentially connected end to end, the guide part (113) is connected with the windowing guide plate support (13), a positioning hook (12) is arranged at the end, far away from the positioning part (111), of the windowing guide plate support (13), and a windowing guide plate (2) is arranged on the windowing guide plate support (13); the windowing guide plate (2) comprises a frame (21), a connecting device (22) and a sliding piece (23), the sliding piece (23) is matched with a windowing guide plate bracket (13) and can slide along the extending direction of the windowing guide plate bracket (13), the connecting device (22) comprises a supporting piece (221) used for supporting the frame (21) and a telescopic connecting piece (222), the supporting piece (221) and the sliding piece (23) are connected through the connecting piece (222), and a maxilla front wall positioning hole (213) is formed in the frame (21); a first identification body (15) is arranged on the positioning handle body (11); the frame (21) is also provided with a second identification body (24).

2. The zygomatic implantation windowing system according to claim 1, wherein the positioning hook (12) comprises a bridge (121), the bridge (121) being connected to the positioning portion (111) by a hook connection (122).

3. The zygomatic implantation windowing system according to claim 2, wherein an included angle δ between the hook connection part (122) and the positioning part (111) along the axial direction thereof is 120 to 160 degrees.

4. The zygomatic implantation windowing system according to claim 1, wherein the windowing guide holder (13) is journalled and/or hinged to the guide (113); the windowing guide plate bracket (13) is sleeved and/or hinged with the handle (14).

5. The zygomatic planting windowing system according to claim 4, wherein the windowing guide plate holder (13) is sleeved with the guide portion (113), the angle α between the guide portion (113) in the axial direction thereof and the windowing guide plate holder (13) in the axial direction thereof being acute.

6. The zygomatic implantation windowing system according to claim 4, wherein the windowing guide plate holder (13) is provided with a first angular ring (171), the first angular ring (171) cooperating with the guide portion (113) and being slidable in the extension direction of the guide portion (113); a first fastener (181) is arranged on the first angle ring (171).

7. The zygomatic implantation windowing system according to claim 4, wherein the handle (14) is provided with a second angular ring (172), the second angular ring (172) cooperating with the windowing guide support (13) and sliding along the extension direction of the windowing guide support (13); and a second fastening piece (182) is arranged on the second angle ring (172).

8. The zygomatic planting windowing system of claim 1, wherein the frame (21) comprises two symmetrically distributed first lateral edges (211), and the support member (221) comprises a first support portion (2211) and a second support portion (2212), the ends of the first support portion (2211) and the second support portion (2212) close to the frame (21) being located on the two first lateral edges (211) of the frame (21), respectively, and the ends of the first support portion (2211) and the second support portion (2212) remote from the frame (21) being angled and connected to the end of the connecting member (222) remote from the sliding member (23).

9. The zygomatic implant windowing system according to any one of claims 1 to 8, further comprising one or more of the following technical features:

a1 An included angle alpha between the positioning handle body (11) along the axial direction and the windowing guide plate bracket (13) along the axial direction is 17 to 45 degrees;

a2 The handle (14) is provided with an anti-skid groove (16);

a3 The sliding part (23) is a hollow sleeve sleeved on the windowing guide plate bracket (13).

10. The zygomatic planting windowing system according to claim 8, further comprising one or more of the following technical features:

b1 An included angle between the first supporting part (2211) and the frame (21) is 20 to 40 degrees; an included angle between the second supporting part (2212) and the frame (21) is 20 to 40 degrees;

b2 The ends of the first supporting part (2211) and the second supporting part (2212) connected with the frame (21) are respectively positioned in the middle of two first side edges (211) symmetrically distributed on the frame (21).