Oral maxillary sinus floor mucous membrane detacher

Abstract

The utility model discloses an oral cavity maxillary sinus floor mucous membrane detacher which solves the technical problems that in the prior art, in the maxillary sinus floor mucous membrane detaching process, a collagen strip is easily taken away from an implanting cavity by the detacher, and the operation efficiency is reduced. The sinus floor mucous membrane dissecting device comprises a handle, a sinus floor mucous membrane dissecting head and a connecting structure which is connected with the sinus floor mucous membrane dissecting head and detachably connected with the handle. The sinus floor mucous membrane dissection head is in an ellipsoid shape, the outer surface of the sinus floor mucous membrane dissection head is smooth, and the connecting structure is smoothly connected with the sinus floor mucous membrane dissection head. The device is simple in structure, scientific and reasonable in design and convenient to use, safe and efficient collagen strip conveying and strip-assisted maxillary sinus floor mucous membrane stripping can be achieved in the strip-assisted maxillary sinus floor mucous membrane stripping process, the sinus floor mucous membrane perforation risk can be effectively reduced, operation efficiency is improved, and medical resources are saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical devices, and particularly relates to an oral maxillary sinus floor mucosal elevator. Background Technique

[0002] Then, a special instrument is used to strip the sinus membrane, submucosa and periosteum from the maxillary sinus floor and displace them in the apical direction, and one or more implants are implanted. Finally, a biomaterial for maintaining the space is implanted without perforating the soft tissue of the sinus membrane.

[0003] Due to the special anatomical structure of the posterior maxillary region, long-term tooth loss and age-related changes in people often lead to maxillary sinus pneumatization and alveolar bone resorption. Usually, it is manifested as insufficient residual bone height (RBH) of the maxillary sinus on imaging, which brings certain difficulties to implant placement in the posterior maxillary region. Maxillary sinus floor elevation via the alveolar ridge crest is an effective surgical option, which can restore sufficient alveolar bone height at the atrophied site in the posterior maxillary region. Maxillary sinus floor elevation via the alveolar ridge crest includes two steps. First, the maxillary sinus floor is penetrated through an implant cavity preparation instrument. Then, a special instrument is used to strip the sinus membrane, submucosa and periosteum from the maxillary sinus floor and displace them in the apical direction, and one or more implants are implanted. Finally, a biomaterial for maintaining the space is implanted without perforating the soft tissue of the sinus membrane.

[0004] Currently, the commonly used methods for preparing the sinus floor elevation channel include using rotary instruments for bone ablation, a combination of annular bone drills, and ultrasonic bone knives. Mechanical pressure can be applied to the maxillary sinus floor through different methods to separate the soft tissue in the sinus from the sinus floor. However, the transalveolar maxillary sinus floor elevation technique has a narrow surgical field, making it difficult to fully elevate the sinus floor mucosa. It is also difficult to control the intraoperative risks. Therefore, during the maxillary sinus elevation process, a collagen strip is combined with a sinus floor elevation tool to assist in the maxillary sinus floor elevation, reducing the risk of complications such as intraoperative perforation of the sinus floor mucosa and achieving an ideal maxillary sinus elevation height. However, in clinical work, we found that there is currently a lack of sinus floor mucosa dissection tools for use in conjunction with this technique. Traditional sinus floor mucosa dissection tools have the following problems when assisting in the maxillary sinus elevation using the strip method: 1. When changing the direction for sinus floor mucosa dissection, the current sinus floor mucosa dissection tools are prone to pulling the strip out of the implant cavity, and the operator may need to replace the strip and pack it again. 2. When packing and removing the collagen strip, the currently used sinus floor mucosa dissection tools are prone to breaking the collagen strip due to their sharp edges, and the broken strip remains in the maxillary sinus floor, making it difficult to remove or requiring the preparation of a new collagen strip for packing. 3. The surfaces of the currently used sinus floor dissectors are all smooth, with sharp edges and a concave bottom. This makes it easy to damage the sinus floor mucosa during maxillary sinus elevation, resulting in perforation of the sinus floor mucosa. These three technical problems will all cause waste of surgical materials and reduce surgical efficiency. There is still a phenomenon of perforation of the maxillary sinus floor mucosa after the collagen strip is delivered to the maxillary sinus floor. During the operation, the disc dissector is prone to pulling the collagen strip used for maxillary sinus elevation out of the implant cavity. The key to maxillary sinus elevation lies in the integrity of the maxillary sinus floor mucosa, providing a stable space for bone formation, and secondly, sufficient bone mass for stabilizing the implant. The upper domed sinus spatulas of traditional disc dissectors are all smooth, with sharp edges and a concave bottom. Firstly, it is easy to damage the sinus floor mucosa during maxillary sinus elevation, posing a risk of perforation of the maxillary sinus floor. Secondly, the concave bottom acts as a "spoon", and its connection part has a frosted surface, making it easy to pull the collagen strip out of the implant cavity. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an oral maxillary sinus floor mucosa dissector to solve at least some of the above technical problems.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] An oral maxillary sinus floor mucosa dissector includes a handle, a sinus floor mucosa dissection head, and a connection structure that is connected to the sinus floor mucosa dissection head and is detachably connected to the handle; the sinus floor mucosa dissection head is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure and the sinus floor mucosa dissection head is smooth.

[0008] Further, the connecting structure includes a connecting section A connected to the bottom of the sinus floor mucosa dissection head, a connecting section B detachably connected to the handle, and a connecting section C connected between the connecting section A and the connecting section B; a scale mark is provided on the connecting section A.

[0009] Further, the scale marks include successively connected scale mark sections A, B, C, D, E, and F. The scale mark section A is smoothly connected to the sinus floor mucosa dissection head, and the scale mark section F is smoothly connected to the connecting section C.

[0010] Further, the total length of the connecting section A is 12 mm, the length of the scale mark section A is 3 mm, and the lengths of the scale mark sections B, C, D, and E are 2 mm, and the length of the scale mark section F is 1 mm.

[0011] Further, the outer surfaces of the scale mark sections A, B, C, D, E, and F are distributed with alternating colors.

[0012] Further, the connecting section A, the connecting section B, and the connecting section C are of an integral structure. The connecting section C is a bent section, and the included angle between the connecting section A and the connecting section B is 60° - 150°.

[0013] Further, a stud is provided on the connecting section B, and a threaded blind hole adapted to the stud is provided on the handle. The stud is threadedly connected to the threaded blind hole.

[0014] Further, the connecting section A is cylindrical, and the axis line of the connecting section A passes through the center of the sinus floor mucosa dissection head.

[0015] Further, the handle, the sinus floor mucosa dissection head, and the connecting structure are all made of medical stainless steel material, and a rough anti-slip structure is provided on the outer surface of the handle.

[0016] Further, the distance between the top and the bottom of the sinus floor mucosa dissection head is 2 mm, and the length of the long axis on the sinus floor mucosa dissection head is 2.7 mm - 3.5 mm.

[0017] Compared with the prior art, the present utility model has the following beneficial effects:

[0018] The structure of the present utility model is simple, the design is scientific and reasonable, and it is convenient to use. During the process of assisting the dissection of the sinus floor mucosa by the strip method, it can realize safe and efficient delivery of the collagen strip and strip-assisted dissection of the sinus floor mucosa, effectively reduce the risk of sinus floor mucosa perforation, improve the surgical efficiency, and save medical resources. Description of the Drawings

[0019] Figure 1This is a schematic structural diagram of the present utility model.

[0020] Figure 2 This is a schematic diagram of a partial connection structure of the present utility model connected to the sinus floor mucosal dissector head.

[0021] Figure 3 This is a schematic diagram of the sinus floor mucosal dissector head and the connection structure of the present utility model.

[0022] Figure 4 This is a schematic diagram of the handle structure of the present utility model.

[0023] Among them, the names corresponding to the reference numerals are:

[0024] 1 - Handle, 2 - Sinus floor mucosal dissector head, 4 - Connection section A, 5 - Connection section B, 6 - Connection section C, 7 - Connection structure, 8 - Stud, 9 - Threaded blind hole, 71 - Scale marking section A, 72 - Scale marking section B, 73 - Scale marking section C, 74 - Scale marking section D, 75 - Scale marking section E, 76 - Scale marking section F. Detailed implementation manners

[0025] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0026] Embodiment 1.

[0027] As Figures 1-4 shown, an oral maxillary sinus floor mucosal dissector provided by the present utility model includes a handle 1, a sinus floor mucosal dissector head 2, and a connection structure 7 connected to the sinus floor mucosal dissector head 2 and detachably connected to the handle 1; the sinus floor mucosal dissector head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure 7 and the sinus floor mucosal dissector head 2 is smooth.

[0028] The structure of the present utility model is simple, scientifically reasonable in design, and convenient to use. During the process of assisting the maxillary sinus floor mucosal dissection by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted maxillary sinus floor mucosal dissection, effectively reducing the risk of sinus floor mucosal perforation, improving the surgical efficiency, and saving medical resources.

[0029] The oral maxillary sinus floor mucosal elevator of the present utility model has a smooth top, which has a large contact area with the sinus floor mucosa during the elevation process, does not pose a risk of perforation, and its upper part is a gentle arc surface, which has an "increasingly peeling" effect on the sinus floor mucosa during the elevation process, reduces the mucosal tension during the elevation of the sinus floor mucosa, and can effectively reduce the risk of sinus floor mucosal perforation.

[0030] Embodiment 2.

[0031] As Figures 1-4 shown, an oral maxillary sinus floor mucosal elevator provided by the present utility model includes a handle 1, a sinus floor mucosal peeling head 2, and a connection structure 7 that is connected to the sinus floor mucosal peeling head 2 and is detachably connected to the handle 1; the sinus floor mucosal peeling head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure 7 and the sinus floor mucosal peeling head 2 is smooth.

[0032] The connection structure 7 includes a connection segment A4 connected to the bottom of the sinus floor mucosal peeling head 2, a connection segment B5 detachably connected to the handle 1, and a connection segment C6 connected between the connection segment A4 and the connection segment B5; the connection segment A4 is provided with a scale mark.

[0033] The structure of the present utility model is simple, scientifically reasonable in design, and convenient to use. During the process of assisting the peeling of the maxillary sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted peeling of the maxillary sinus floor mucosa, effectively reduce the risk of sinus floor mucosal perforation, improve the surgical efficiency, and save medical resources.

[0034] On the basis of Embodiment 1, Embodiment 2 gives a more preferable structure of the connection structure 7, specifically: the connection structure 7 includes a connection segment A4 connected to the bottom of the sinus floor mucosal peeling head 2, a connection segment B5 detachably connected to the handle 1, and a connection segment C6 connected between the connection segment A4 and the connection segment B5; the connection segment A4 is provided with a scale mark. The connection structure 7 is provided with a scale mark, and the elevation depth of the sinus floor mucosa can be observed in real time.

[0035] Embodiment 3.

[0036] As Figures 1-4 shown, an oral maxillary sinus floor mucosal elevator provided by the present utility model includes a handle 1, a sinus floor mucosal peeling head 2, and a connection structure 7 that is connected to the sinus floor mucosal peeling head 2 and is detachably connected to the handle 1; the sinus floor mucosal peeling head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure 7 and the sinus floor mucosal peeling head 2 is smooth.

[0037] The connection structure 7 includes a connection segment A4 connected to the bottom of the sinus floor mucosal peeling head 2, a connection segment B5 detachably connected to the handle 1, and a connection segment C6 connected between the connection segment A4 and the connection segment B5; the connection segment A4 is provided with a scale mark.

[0038] The scale markings include a sequentially connected scale marking segment A71, a scale marking segment B72, a scale marking segment C73, a scale marking segment D74, a scale marking segment E75, and a scale marking segment F76. The scale marking segment A71 is smoothly connected to the sinus floor mucosal dissector head 2, and the scale marking segment F76 is smoothly connected to the connecting segment C6.

[0039] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the dissection of the sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted dissection of the sinus floor mucosa, effectively reduce the risk of sinus floor mucosal perforation, improve the surgical efficiency, and save medical resources.

[0040] On the basis of Embodiment 2, Embodiment 3 gives a more preferable structure of the scale markings. Specifically, the scale markings include a sequentially connected scale marking segment A71, a scale marking segment B72, a scale marking segment C73, a scale marking segment D74, a scale marking segment E75, and a scale marking segment F76. The scale marking segment A71 is smoothly connected to the sinus floor mucosal dissector head 2, and the scale marking segment F76 is smoothly connected to the connecting segment C6. The connecting structure 7 is provided with scale markings, which can observe the lifting depth of the sinus floor mucosa in real time and make the observation more convenient.

[0041] The scale marking segment A71 of the utility model is smoothly connected to the sinus floor mucosal dissector head 2, and the connection part is smooth. In this way, the friction on the collagen strip can be effectively reduced, and the sinus floor mucosal dissector head 2 is in an ellipsoidal shape, which can effectively eliminate the "spoon" effect of the traditional disc-shaped dissector and avoid the defect of easily taking away the collagen strip like the traditional disc-shaped dissector.

[0042] Embodiment 4.

[0043] As Figures 1-4 shown, an oral sinus floor mucosal dissector provided by the utility model includes a handle 1, a sinus floor mucosal dissector head 2, and a connecting structure 7 that is connected to the sinus floor mucosal dissector head 2 and is detachably connected to the handle 1; the sinus floor mucosal dissector head 2 is in an ellipsoidal shape, its outer surface is smooth, and the connecting structure 7 is smoothly connected to the sinus floor mucosal dissector head 2.

[0044] The connecting structure 7 includes a connecting segment A4 connected to the bottom of the sinus floor mucosal dissector head 2, a connecting segment B5 detachably connected to the handle 1, and a connecting segment C6 connected between the connecting segment A4 and the connecting segment B5; the connecting segment A4 is provided with scale markings.

[0045] The scale markings include successively connected scale marking segments A71, B72, C73, D74, E75, and F76. The scale marking segment A71 is smoothly connected to the sinus floor mucosa dissector head 2, and the scale marking segment F76 is smoothly connected to the connecting segment C6.

[0046] The total length of the connecting segment A4 is 12 mm, the length of the scale marking segment A71 is 3 mm, the lengths of the scale marking segments B72, C73, D74, and E75 are 2 mm, and the length of the scale marking segment F76 is 1 mm.

[0047] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the sinus floor mucosa dissection by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted sinus floor mucosa dissection, effectively reduce the risk of sinus floor mucosa perforation, improve the surgical efficiency, and save medical resources.

[0048] Based on Embodiment 3, Embodiment 4 gives a more preferable structure of the scale markings. Specifically: the total length of the connecting segment A4 is 12 mm, the length of the scale marking segment A71 is 3 mm, the lengths of the scale marking segments B72, C73, D74, and E75 are 2 mm, and the length of the scale marking segment F76 is 1 mm. The connecting structure 7 is provided with scale markings, which can observe the lifting depth of the sinus floor mucosa in real time and make the observation more precise and accurate. The total length of the connecting segment A4 is 12 mm, which can accommodate standard implants and there is 2 mm bone mass at the root side. Different scale marking segments are used to meet different lifting height requirements. The minimum scale on the scale marking segments A71, B72, C73, D74, E75, and F76 is preferably 0.1 mm.

[0049] The scale marking segment A71 of the utility model is smoothly connected to the sinus floor mucosa dissector head 2, and the connection is smooth. In this way, the friction on the collagen strip can be effectively reduced, and the sinus floor mucosa dissector head 2 is ellipsoidal in shape, which can effectively eliminate the "spoon" effect of the traditional disc-shaped dissector and avoid the defect of easily taking the collagen strip away like the traditional disc-shaped dissector.

[0050] Embodiment 5.

[0051] As Figures 1-4 shown, a kind of oral sinus floor mucosa dissector provided by the utility model includes a handle 1, a sinus floor mucosa dissector head 2, and a connecting structure 7 connected to the sinus floor mucosa dissector head 2 and detachably connected to the handle 1; the sinus floor mucosa dissector head 2 is ellipsoidal in shape, its outer surface is smooth, and the connecting structure 7 is smoothly connected to the sinus floor mucosa dissector head 2.

[0052] The connecting structure 7 includes a connecting section A4 connected to the bottom of the sinus floor mucosa dissector head 2, a connecting section B5 detachably connected to the handle 1, and a connecting section C6 connected between the connecting section A4 and the connecting section B5; a scale mark is provided on the connecting section A4.

[0053] The scale marks include successively connected scale mark segments A71, scale mark segments B72, scale mark segments C73, scale mark segments D74, scale mark segments E75, and scale mark segments F76. The scale mark segments A71 are smoothly connected to the sinus floor mucosa dissector head 2, and the scale mark segments F76 are smoothly connected to the connecting section C6.

[0054] The outer surfaces of the scale mark segments A71, scale mark segments B72, scale mark segments C73, scale mark segments D74, scale mark segments E75, and scale mark segments F76 are distributed with alternating colors.

[0055] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the dissection of the sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted dissection of the sinus floor mucosa, effectively reduce the risk of sinus floor mucosa perforation, improve the surgical efficiency, and save medical resources.

[0056] On the basis of Embodiment 3, Embodiment 5 gives a more preferable structure of the scale marks, specifically: the outer surfaces of the scale mark segments A71, scale mark segments B72, scale mark segments C73, scale mark segments D74, scale mark segments E75, and scale mark segments F76 are distributed with alternating colors. In this way, the observation can be made more convenient.

[0057] The scale mark segments A71 of the utility model are smoothly connected to the sinus floor mucosa dissector head 2, and the connection part is smooth. In this way, the friction on the collagen strip can be effectively reduced, and the sinus floor mucosa dissector head 2 is in an ellipsoidal shape, which can effectively eliminate the "spoon" effect of the traditional disc-shaped dissector and avoid the defect of easily taking the collagen strip away like the traditional disc-shaped dissector.

[0058] Embodiment 6.

[0059] As Figures 1-4 shown, an oral sinus floor mucosa dissector provided by the utility model includes a handle 1, a sinus floor mucosa dissector head 2, and a connecting structure 7 connected to the sinus floor mucosa dissector head 2 and detachably connected to the handle 1; the sinus floor mucosa dissector head 2 is in an ellipsoidal shape, its outer surface is smooth, and the connecting structure 7 is smoothly connected to the sinus floor mucosa dissector head 2.

[0060] The connecting structure 7 includes a connecting section A4 connected to the bottom of the sinus floor mucosa dissector head 2, a connecting section B5 detachably connected to the handle 1, and a connecting section C6 connected between the connecting section A4 and the connecting section B5; scale markings are provided on the connecting section A4.

[0061] The connecting section A4, the connecting section B5, and the connecting section C6 are of an integral structure. The connecting section C6 is a bent section, and the included angle between the connecting section A4 and the connecting section B5 is 60° - 150°. The included angle between the connecting section A4 and the connecting section B5 is preferably 60°, 90°, 120°, or 150°.

[0062] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the dissection of the maxillary sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted dissection of the maxillary sinus floor mucosa, effectively reducing the risk of perforation of the sinus floor mucosa, improving the surgical efficiency, and saving medical resources.

[0063] Based on Embodiment 2, Embodiment 6 gives a more preferable structure among the connecting section A4, the connecting section B5, and the connecting section C6, specifically: the connecting section A4, the connecting section B5, and the connecting section C6 are of an integral structure. The connecting section C6 is a bent section, and the included angle between the connecting section A4 and the connecting section B5 is 60° - 150°. The included angle between the connecting section A4 and the connecting section B5 is preferably 60°, 90°, 120°, or 150°. The sinus membrane dissector heads with multiple angles such as 90° and 120° can meet the needs of patients with different mouth opening degrees.

[0064] Embodiment 7.

[0065] As Figures 1-4 shown, an oral maxillary sinus floor mucosa dissector provided by the utility model includes a handle 1, a sinus floor mucosa dissector head 2, and a connecting structure 7 connected to the sinus floor mucosa dissector head 2 and detachably connected to the handle 1; the sinus floor mucosa dissector head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connecting structure 7 and the sinus floor mucosa dissector head 2 is smooth.

[0066] The connecting structure 7 includes a connecting section A4 connected to the bottom of the sinus floor mucosa dissector head 2, a connecting section B5 detachably connected to the handle 1, and a connecting section C6 connected between the connecting section A4 and the connecting section B5; scale markings are provided on the connecting section A4.

[0067] A stud 8 is provided on the connecting section B5, and a threaded blind hole 9 adapted to the stud 8 is provided on the handle 1. The stud 8 is threadedly connected to the threaded blind hole 9.

[0068] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the stripping of the maxillary sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted stripping of the maxillary sinus floor mucosa, effectively reduce the risk of perforation of the sinus floor mucosa, improve the surgical efficiency, and save medical resources.

[0069] Based on Embodiment 2, Embodiment 7 gives a more preferable structure of the connecting section B5, specifically: a stud 8 is provided on the connecting section B5, and a threaded blind hole 9 adapted to the stud 8 is provided on the handle 1. The stud 8 is threadedly connected to the threaded blind hole 9. A threaded detachable connection structure 7 is adopted between the connecting section B5 and the handle 1, which is convenient for disassembly and assembly, and convenient for assembling the maxillary sinus floor mucosa stripping head 2 with different angles or different diameters on the handle 1.

[0070] Embodiment 8.

[0071] As Figures 1-4 shown, an oral maxillary sinus floor mucosa stripper provided by the utility model includes a handle 1, a maxillary sinus floor mucosa stripping head 2, and a connection structure 7 connected to the maxillary sinus floor mucosa stripping head 2 and detachably connected to the handle 1; the maxillary sinus floor mucosa stripping head 2 is in an ellipsoidal shape, its outer surface is smooth, and the connection between the connection structure 7 and the maxillary sinus floor mucosa stripping head 2 is a smooth connection.

[0072] The connection structure 7 includes a connection section A4 connected to the bottom of the maxillary sinus floor mucosa stripping head 2, a connection section B5 detachably connected to the handle 1, and a connection section C6 connected between the connection section A4 and the connection section B5; a scale mark is provided on the connection section A4.

[0073] The connection section A4 is cylindrical, and the axis line of the connection section A4 passes through the center of the maxillary sinus floor mucosa stripping head 2.

[0074] The utility model has a simple structure, is scientifically and reasonably designed, and is convenient to use. During the process of assisting the stripping of the maxillary sinus floor mucosa by the strip method, it can achieve safe and efficient collagen strip delivery and strip-assisted stripping of the maxillary sinus floor mucosa, effectively reduce the risk of perforation of the sinus floor mucosa, improve the surgical efficiency, and save medical resources.

[0075] Based on Embodiment 2, Embodiment 9 gives a more preferable structure between the connection section A4 and the maxillary sinus floor mucosa stripping head 2, specifically: the connection section A4 is cylindrical, and the axis line of the connection section A4 passes through the center of the maxillary sinus floor mucosa stripping head 2. It is simple and convenient to operate during use, can effectively reduce the operation threshold, and improve the efficiency during the operation.

[0076] Embodiment 9.

[0077] As Figures 1-4As shown in the figure, a kind of oral maxillary sinus floor mucosal dissector provided by the utility model includes a handle 1, a sinus floor mucosal dissection head 2, and a connection structure 7 that is connected to the sinus floor mucosal dissection head 2 and is detachably connected to the handle 1; the sinus floor mucosal dissection head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure 7 and the sinus floor mucosal dissection head 2 is smooth.

[0078] The handle 1, the sinus floor mucosal dissection head 2 and the connection structure are all made of medical stainless steel material, and the outer surface of the handle 1 is provided with a rough anti-slip structure.

[0079] The structure of the utility model is simple, scientifically reasonable in design, and convenient to use. During the process of assisting the dissection of the maxillary sinus floor mucosa by the strip method, it can realize safe and efficient collagen strip delivery and strip-assisted dissection of the maxillary sinus floor mucosa, effectively reduce the risk of perforation of the sinus floor mucosa, improve the surgical efficiency, and save medical resources.

[0080] The top of the oral maxillary sinus floor mucosal dissector of the utility model is round and smooth, has a large contact area with the sinus floor mucosa during the lifting process, does not generate the risk of perforation, and the upper part is a gentle arc surface, which has an "increasingly peeling" effect on the sinus floor mucosa during the lifting process, reduces the mucosal tension during the process of lifting the sinus floor mucosa, and can effectively reduce the risk of perforation of the sinus floor mucosa.

[0081] On the basis of Embodiment 1, this Embodiment 9 gives a more preferable structure of the handle 1, the sinus floor mucosal dissection head 2 and the connection structure 7, specifically: the handle 1, the sinus floor mucosal dissection head 2 and the connection structure 7 are all made of medical stainless steel material, and the outer surface of the handle 1 is provided with a rough anti-slip structure. The rough anti-slip structure is preferably to grind out an uneven anti-slip sanding layer on the outer surface of the handle 1 by means of sanding treatment.

[0082] Embodiment 10.

[0083] As Figures 1-4 As shown in the figure, a kind of oral maxillary sinus floor mucosal dissector provided by the utility model includes a handle 1, a sinus floor mucosal dissection head 2, and a connection structure 7 that is connected to the sinus floor mucosal dissection head 2 and is detachably connected to the handle 1; the sinus floor mucosal dissection head 2 is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure 7 and the sinus floor mucosal dissection head 2 is smooth.

[0084] The distance between the top and the bottom of the sinus floor mucosal dissection head 2 is 2 mm, and the length of the major axis on the sinus floor mucosal dissection head 2 is 2.7 mm - 3.5 mm.

[0085] The structure of the utility model is simple, scientifically reasonable in design, and convenient to use. During the process of assisting the dissection of the maxillary sinus floor mucosa by the strip method, it can realize safe and efficient collagen strip delivery and strip-assisted dissection of the maxillary sinus floor mucosa, effectively reduce the risk of perforation of the sinus floor mucosa, improve the surgical efficiency, and save medical resources.

[0086] The oral maxillary sinus floor mucosal elevator of the present utility model has a smooth top, with a large contact area with the sinus floor mucosa during the elevation process, without the risk of perforation. Moreover, the upper part is a gentle arc surface, which has an effect of "gradually peeling" on the sinus floor mucosa during the elevation process, reducing the mucosal tension during the elevation of the sinus floor mucosa, and effectively reducing the risk of sinus floor mucosal perforation.

[0087] On the basis of Embodiment 1, Embodiment 10 gives a more preferable structure of the sinus floor mucosal peeling head 2, specifically: the distance between the top and the bottom of the sinus floor mucosal peeling head 2 is 2 mm, and the length of the long axis on the sinus floor mucosal peeling head 2 is 2.7 mm - 3.5 mm. The length of the long axis on the sinus floor mucosal peeling head 2 is preferably 2.7 mm, 3.0 mm, or 3.5 mm. The length of the long axis on the sinus floor mucosal peeling head 2 is the distance between the left end and the right end of the sinus floor mucosal peeling head 2. The sinus floor mucosal peeling heads 2 of multiple sizes such as 2.7 mm, 3.0 mm, and 3.5 mm are used to meet the implant placement requirements of different diameters and types.

[0088] The present utility model designs a new sinus floor mucosal elevator adapted to the strip method-assisted maxillary sinus floor mucosal elevation technique, which can achieve safe and efficient collagen strip delivery and strip-assisted maxillary sinus floor mucosal elevation, so as to reduce the risk of sinus floor mucosal perforation, improve the surgical efficiency, and save medical resources.

[0089] The present utility model provides a new oral maxillary sinus floor mucosal elevator, aiming to reduce the risk of perforation during maxillary sinus floor mucosal elevation. The elevator includes a handle 1, a connecting structure 7, and a sinus floor mucosal peeling head 2. Scale marks are provided on the connecting section A4, and the surface of the sinus floor mucosal peeling head 2 is smooth. The sinus floor mucosal peeling head 2 is in an ellipsoidal shape as a whole, made of medical stainless steel material, and the surface of the connection between the connecting structure 7 and the sinus floor mucosal peeling head 2 is smooth, which can ensure that the collagen strip will not be carried away during the operation process.

[0090] The new oral maxillary sinus floor mucosal elevator of the present utility model has the following characteristics:

[0091] 1. Visual depth measurement: Scale marks are provided on the connecting section A4 of the oral maxillary sinus floor mucosal elevator of the present utility model, and the elevation depth of the maxillary sinus floor mucosa can be observed in real time to meet different elevation height requirements.

[0092] 2. Design of the maxillary sinus floor mucosal elevator with a smooth top: The sinus floor mucosal peeling head is in an ellipsoidal shape with a smooth top, having a large contact area with the sinus floor mucosa during the elevation process, without the risk of perforation. Moreover, the upper part is in the shape of a gentle curved surface, which has an effect of "gradually peeling" on the sinus floor mucosa during the elevation process, can effectively reduce the mucosal tension during the elevation of the sinus floor mucosa, effectively reduce the risk of sinus floor mucosal perforation, improve the surgical efficiency, and save medical resources.

[0093] 3. The surface of the sinus floor mucosa dissector head is smooth and round at the edges: The sinus floor mucosa dissector head has round edges around and at the top. During the multiple collagen strip delivery processes in maxillary sinus elevation, it can effectively reduce the risk of damage to the sinus floor mucosa tissue.

[0094] 4. It is not easy to carry away the collagen strip: The connection between the sinus floor mucosa dissector head and the connecting section A4 is a smooth connection. The connection is smooth, which can effectively reduce the friction on the collagen strip. Moreover, the lower part of the sinus floor mucosa dissector head is also an arc surface without grooves that can produce a "spoon" effect, effectively eliminating the defect that traditional disc-shaped dissectors are prone to carry away the collagen strip.

[0095] 5. Anti-slip treatment for the handle: The handle is roughened to prevent the instrument from falling off during the operation.

[0096] 6. Detachable assembly and multi-angle sinus membrane dissector head: An angle of 60° - 150° is formed between the connecting section A4 and the connecting section B5, so that an angle of 60° - 150° is formed between the handle and the sinus floor mucosa dissector head, which can meet the needs of patients with different mouth opening degrees. The angles between the handle and the sinus floor mucosa dissector head are mostly 90° and 120°. The handle and the connecting section B5 are connected by detachable screws, which is convenient for disassembly and replacement when changing sinus floor mucosa dissector heads with different angles.

[0097] 7. Sinus floor mucosa dissector heads of multiple sizes: The length of the long axis of the sinus floor mucosa dissector head 2 is 2.7 mm - 3.5 mm, preferably 2.7 mm, 3.0 mm, 3.5 mm, to meet the implantation requirements of implants with different diameters and types.

[0098] 8. High-strength material: The whole oral maxillary sinus floor mucosa dissector of the present utility model is made of high-strength medical-grade stainless steel material, which can effectively ensure the durability and safety of the instrument.

[0099] 9. Easy to clean: The whole surface of the sinus floor mucosa dissector head of the present utility model is smooth, with a simple design, easy to clean and disinfect, and can effectively reduce the risk of cross-infection.

[0100] 10. Portable design: The whole oral maxillary sinus floor mucosa dissector of the present utility model is small, light, easy to carry and use, and is suitable for dental clinics and mobile medical services.

[0101] 11. Simple operation: The design of the oral maxillary sinus floor mucosa dissector of the present utility model makes the operation simpler, can effectively lower the operation threshold, and improve the efficiency of the operation.

[0102] 12. Improve patient comfort: The oral maxillary sinus floor mucosal elevator of the present utility model can effectively reduce the mucosal tension during the elevation of the maxillary sinus floor mucosa, reduce the risk of perforation of the sinus floor mucosa, can reduce the discomfort of patients during the operation, and improve the treatment experience.

[0103] 13. Optimize the separation effect of the sinus floor mucosa: The design of the sinus floor mucosal separation head 2 of the present utility model optimizes the separation effect of the sinus floor mucosa, which helps the operation to proceed more smoothly.

[0104] Finally, it should be noted that: The above embodiments are only the relatively preferred embodiments of the present utility model to illustrate the technical solutions of the present utility model, rather than limiting it, and certainly not limiting the patent scope of the present utility model. Any meaningless changes or touch-ups made on the main design concept and spirit of the present utility model, as long as the technical problems solved are still the same as those of the present utility model, should be included in the protection scope of the present utility model; in addition, directly or indirectly applying the technical solutions of the present utility model to other related technical fields shall also be included in the patent protection scope of the present utility model by the same token.

Claims

1. An oral maxillary sinus floor mucosa dissector, characterized in that, It includes a handle (1), a sinus floor mucosa dissection head (2), and a connection structure (7) that is connected to the sinus floor mucosa dissection head (2) and detachably connected to the handle (1); the sinus floor mucosa dissection head (2) is ellipsoidal in shape, its outer surface is smooth, and the connection between the connection structure (7) and the sinus floor mucosa dissection head (2) is smooth.

2. The oral maxillary sinus floor mucosal dissector according to claim 1, characterized in that, The connection structure (7) includes a connection section A (4) connected to the bottom of the sinus floor mucosa dissection head (2), a connection section B (5) detachably connected to the handle (1), and a connection section C (6) connected between the connection section A (4) and the connection section B (5); scale markings are provided on the connection section A (4).

3. The oral maxillary sinus floor mucosal dissector according to claim 2, characterized in that, The scale markings include successively connected scale marking section A (71), scale marking section B (72), scale marking section C (73), scale marking section D (74), scale marking section E (75), and scale marking section F (76). The connection between the scale marking section A (71) and the sinus floor mucosa dissection head (2) is smooth, and the connection between the scale marking section F (76) and the connection section C (6) is smooth.

4. The oral maxillary sinus floor mucosal dissector according to claim 3, characterized in that, The total length of the connection section A (4) is 12 mm, the length of the scale marking section A (71) is 3 mm, and the lengths of the scale marking section B (72), scale marking section C (73), scale marking section D (74), and scale marking section E (75) are 2 mm, and the length of the scale marking section F (76) is 1 mm.

5. The oral maxillary sinus floor mucosal dissector according to claim 3, characterized in that, The outer surfaces of the scale marking section A (71), scale marking section B (72), scale marking section C (73), scale marking section D (74), scale marking section E (75), and scale marking section F (76) are distributed with alternating colors.

6. The oral maxillary sinus floor mucosa dissector according to claim 2, characterized in that, The connection section A (4), connection section B (5), and connection section C (6) are of an integral structure. The connection section C (6) is a bent section, and the included angle between the connection section A (4) and the connection section B (5) is 60° - 150°.

7. The oral maxillary sinus floor mucosal dissector according to claim 2, characterized in that, A stud (8) is provided on the connection section B (5), and a threaded blind hole (9) adapted to the stud (8) is provided on the handle (1). The stud (8) is threadedly connected to the threaded blind hole (9).

8. The oral maxillary sinus floor mucosal dissector according to claim 2, wherein The connection section A (4) is cylindrical, and the axis line of the connection section A (4) passes through the center of the sinus floor mucosa dissection head (2).

9. The oral maxillary sinus floor mucosal dissector according to claim 1, characterized in that, The handle (1), the sinus floor mucosa dissection head (2), and the connection structure are all made of medical stainless steel material, and the outer surface of the handle (1) is provided with a rough anti-slip structure.

10. The oral maxillary sinus floor mucosal dissector according to claim 1, wherein The distance between the top and the bottom of the sinus floor mucosa dissection head (2) is 2 mm, and the length of the major axis on the sinus floor mucosa dissection head (2) is 2.7 mm - 3.5 mm.

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