Maxillary sinus mucosa lifter for dental implant

By using a hydraulic lifting method, the maxillary sinus floor mucosa is lifted within the implant cavity using a lifting head and adapter. This solves the problems of patient discomfort and mucosal rupture in traditional methods, resulting in smaller incisions and better operational outcomes.

CN223810670UActive Publication Date: 2026-01-20THE FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (GUANGZHOU RESPIRATORY CENT)
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Patent Information

Application Number
CN202520132857.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-20
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

In existing technologies, maxillary sinus floor mucosal lifting surgery is prone to causing discomfort to patients during and after the operation, and there is a risk of mucosal rupture. The traditional top-lifting method is complicated to operate and has poor results.

Method used

The procedure employs a hydraulic lifting method. By using a lifting head, adapter, and locking device, the lifting head is inserted into the implant cavity. Liquid is injected using hydraulic equipment, and the adapter is rotated by the locking device to lift the maxillary sinus floor mucosa upward, thereby achieving mucosal elevation.

Benefits of technology

It reduces surgical incisions, minimizes patient discomfort during and after surgery, improves efficacy, is easy to operate, and avoids the risk of mucosal rupture.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223810670U_ABST
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Abstract

The maxillary sinus mucous membrane lifter comprises a lifting head, an adapter, a locking piece and a water injector, an injection hole is formed in the lifting head in the axial direction, the injection hole is communicated with the tail portion of the lifting head and a bottom wall mucous membrane of a maxillary sinus, the adapter is assembled at the tail portion of the lifter, and the locking piece is assembled at the tail portion of the lifter. The lifting head is inserted into the planting hole by rotating the adapter through the locking piece, a water injection channel is formed in the water injector, one end of the water injector is detachably connected with the tail of the lifting head, and the other end of the water injector is connected with external hydraulic equipment. According to the utility model, the mucous membrane on the bottom wall of the maxillary sinus is lifted in a hydraulic lifting manner, so that a better lifting effect is achieved, and the operation method is simple and convenient, so that the wound of an operation is smaller, and the discomfort of a patient during and after the operation is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of implant tooth, especially maxillary sinus mucosa lifter of implant tooth. BACKGROUND

[0002] With the continuous progress of oral medical technology, implant tooth has become one of the commonly used methods for repairing missing teeth. In particular, when the maxillary posterior teeth are missing, the bottom wall of the maxillary sinus will drop to the position of the original tooth root of the missing tooth. At this time, once implanting, it is possible to penetrate the maxillary sinus wall. In order to implant the implant, it is often necessary to transplant some synthetic bone substitutes to lift them to the original position, so as to ensure that the implant is in the maxilla.

[0003] However, in the prior art, the bottom wall mucosa of the maxillary sinus is lifted by penetrating the alveolar ridge to lift the maxillary sinus. Specifically, the principle of maxillary sinus lifting is to lift and separate the maxillary sinus bottom mucosa to form a cavity, and to make the bone hyperplasia by generating fibrin clot. Generally, the commonly used punch type maxillary sinus lifting is to punch the sinus bottom bone into the sinus to lift the sinus bottom mucosa by using the punch after drilling the alveolar ridge, so as to lift the maxillary sinus bottom mucosa, create bone grafting space, and lift the bone height, so as to achieve the purpose of lifting. The punch type method is easy to cause intraoperative and postoperative discomfort of the patient due to the need for knocking, and is also easy to cause rupture of the maxillary sinus bottom mucosa. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a maxillary sinus mucosa lifter of implant tooth, which inserts the lifting head into the implant hole, and the top end of the lifting head is close to the maxillary sinus bottom which has been penetrated by bone in advance. The bottom wall mucosa of the maxillary sinus is lifted by using the hydraulic lifting method.

[0005] The utility model solves the technical problems by adopting the following technical scheme: a maxillary sinus mucosa lifter of implant tooth, comprising a lifting head, an adapter, a locking piece and a water injector, the lifting head is provided with an injection hole in the axial direction, the injection hole is communicated with the tail part of the lifting head and the bottom wall mucosa of the maxillary sinus, the adapter is assembled at the tail part of the lifter, the lifting head is inserted into the implant hole by rotating the adapter through the locking piece, the water injector is provided with a water injection channel, one end of the water injector is detachably connected with the tail part of the lifting head, and the other end of the water injector is connected with an external hydraulic device.

[0006] As a further improvement of the utility model, a stop ring is further arranged on the outside of the lifting head, the stop ring is sleeved on the lifting head, and the stop ring is further connected with the outside of the lifting head in the radial direction of the lifting head.

[0007] As a further improvement of the utility model: the lifting head is provided with an insertion main body and a first adapting part, the insertion main body is integrally fixedly connected with the first adapting part, and the first adapting part is detachably connected with the adapter.

[0008] As a further improvement of the utility model: the insertion main body is provided with threads on the outer side, the insertion main body is adapted to the implantation cavity, and the insertion main body is assembled in the implantation cavity in a plug-in mode through thread cooperation.

[0009] As a further improvement of the utility model: the adapter is provided with a rotating seat and a second adapting part, the rotating seat is integrally fixedly connected with the second adapting part, and the second adapting part is detachably connected with the first adapting part.

[0010] As a further improvement of the utility model: the rotating seat is provided with a rotating part on the outer periphery, the rotating part is provided in the form of a nut, and the insertion main body is plugged into the implantation cavity by rotating the adapter through the locking piece.

[0011] As a further improvement of the utility model: the locking piece is provided in the form of a wrench, the locking piece is provided with a driving part and a handle, and the driving part and the handle are fixedly connected.

[0012] As a further improvement of the utility model: the water injector is provided with a third adapting part and a fourth adapting part at both ends respectively, the third adapting part and the fourth adapting part are communicatively arranged, the third adapting part is detachably connected with the first adapting part, and the fourth adapting part is connected with external hydraulic equipment.

[0013] As a further improvement of the utility model: the insertion main body is further provided with an adjusting groove in the axial direction on the outer side, the insertion main body is further provided with a clamping groove in the circumferential direction on the outer side, the clamping groove is communicated with the adjusting groove, and the stop ring is slidably matched with the adjusting groove and the clamping groove.

[0014] As a further improvement of the utility model: the first adapting part is provided with a first clamping part, the second adapting part is provided with a second clamping part, and the second adapting part is clamped with the first adapting part in a plug-in mode through cooperation of the first clamping part and the second clamping part.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a lifting head, adapter and locking piece cooperate, adapter is first assembled in the lower end of lifting head, utilizes locking piece to rotate adapter, and the lifting head is inserted into the planting hole, and the top end of lifting head is close to the maxillary sinus bottom that has been advanced to carry out the through bone, and then water injector is assembled in the lower end of adapter and is connected with external hydraulic equipment, and after injecting liquid in the space between maxillary sinus bottom mucosa and lifting head, rotates adapter upward with locking piece and lifts lifting head, and the bottom wall mucosa of maxillary sinus is lifted with the mode of hydraulic lifting, reaches good lifting effect, and the operation method is simple, so that the operation wound is smaller, and the discomfort of patient during operation and postoperative is reduced.

[0017] 2. The utility model discloses a lifting head and adapter are detachably connected, and the lifting head is inserted into the planting hole by rotating adapter with locking piece, mainly, the lifting head mainly includes insertion main body and first adaptation part, and the adapter mainly includes rotary seat and second adaptation part, and the assembly mode of lifting head and adapter is that the second adaptation part of adapter is assembled on the first adaptation part of lifting head, so that they become a rotatable fixed structure, and the rotary seat of adapter is rotated with locking piece, and the lifting head is inserted into the planting hole.

[0018] 3. The adapter cooperates with water injector, and the third adaptation part of one end of water injector is sleeved with the lower end of adapter, the water injection channel of water injector is communicated with the lifting head, and after injecting liquid in the space between maxillary sinus bottom mucosa and lifting head, the bottom wall mucosa of maxillary sinus is lifted with the mode of hydraulic lifting, reaches good lifting effect, and the operation method is simple.

[0019] 4. The insertion main body outside is provided with the stop ring, and the stop ring can prevent the insertion main body of lifting head from advancing upward, adapts with the planting hole, and avoids passing through maxillary sinus mucosa. DRAWINGS

[0020] Fig. 1 It is the structural diagram of the utility model.

[0021] Fig. 2 It is the structural diagram of the utility model lifting head.

[0022] Fig. 3 It is the structural diagram of the utility model adapter.

[0023] Drawing reference: 1, lifting head, 11, insertion main body, 12, first adaptation part, 13, first clamping part, 2, adapter, 21, rotary seat, 22, second adaptation part, 23, second clamping part, 3, stop ring, 4, injection hole. SPECIFIC IMPLEMENTATION

[0024] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model technical scheme will be described clearly and completely in combination with specific embodiments and corresponding drawings of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] In order to solve the technical problems in the prior art, the utility model is further illustrated in combination with drawings and embodiments as follows:

[0026] As Figs. 1 to 3 Embodiments of the utility model disclose a maxillary sinus mucosa lifter of implant tooth, including the lifting head 1, the adapter 2, the locking piece and the water injector, the lifting head 1 is along the axial injection hole 4, the injection hole 4 is communicated with the tail part of lifting head 1 and the bottom wall mucosa of maxillary sinus, the adapter 2 is assembled in the tail part of the lifter, the lifting head 1 is inserted in the implant cavity by the adapter 2 of locking piece rotation the lifting head 1, the water injector is opened with the water injection channel, one end of the water injector is detachably connected with the tail part of the lifting head 1, the other end of the water injector is connected with external hydraulic equipment.

[0027] According to the maxillary sinus mucosa lifter of implant tooth of the application, the application mainly includes four parts of lifting head 1, adapter 2, locking piece and water injector, first, through the cooperation of lifting head 1, adapter 2 and locking piece, adapter 2 is first assembled at the lower end of lifting head 1, adapter 2 is rotated by locking piece, lifting head 1 is inserted into the implant cavity, the top end of lifting head 1 is close to the maxillary sinus bottom that has been penetrated through the bone, the adapter has a through hole, then the water injector is assembled at the lower end of adapter 2 and connected with external hydraulic equipment, after injecting liquid into the space between the maxillary sinus bottom mucosa and the lifting head, the adapter is rotated upward by locking piece, the bottom wall mucosa of maxillary sinus is lifted by hydraulic lifting, good lifting effect is achieved, the operation method is simple, so that the surgical wound is smaller, and the discomfort of the patient during and after the operation is further reduced. The injection hole 4 can be connected with the water injector and external hydraulic equipment, the bottom wall mucosa of maxillary sinus provides hydraulic pressure, so that the bottom wall mucosa of maxillary sinus is lifted, and the injection hole 4 can also be connected with the bone powder injector, after the bottom wall mucosa of maxillary sinus is lifted, the bone powder is injected into the space of the bottom wall of maxillary sinus through the connection of the bone powder injector and the injection hole 4 of lifting head 1, so that the bone powder of the bone powder injector can be injected into the space of the bottom wall of maxillary sinus.

[0028] In an embodiment of the present application, the lifting head 1 is further provided with a stop ring 3 outside the lifting head 1, the stop ring 3 is sleeved on the lifting head 1, and the stop ring 3 is further connected with the outside of the lifting head 1 in a radial adjustable manner. In this embodiment, the stop ring 3 is arranged outside the insertion body 11 of the lifting head 1, and the stop ring 3 can prevent the insertion body 11 of the lifting head 1 from advancing upward to adapt to the implantation cavity, so as to avoid the implantation of the lifting head 1 in the implantation cavity to be too deep to cause the rupture of the maxillary sinus mucosa. In this embodiment, the stop ring 3 can be fixedly connected with the lifting head 1, and when designed, stop rings 3 of various depths can be designed, and the corresponding lifting head 1 can be selected according to the depth requirement of the implantation cavity.

[0029] In an embodiment of the present application, the lifting head 1 is provided with an insertion body 11 and a first adapter 12, the insertion body 11 is fixedly connected with the first adapter 12 in an integral manner, and the first adapter 12 is detachably connected with the adapter 2. Further, the adapter 2 is provided with a rotating seat 21 and a second adapter, the rotating seat 21 is fixedly connected with the second adapter in an integral manner, and the second adapter is detachably connected with the first adapter 12.

[0030] In this embodiment, the lifting head 1 and the adapter 2 are detachably connected, the adapter 2 is rotated by the locking member to insert the lifting head 1 into the implantation cavity. Mainly, the lifting head 1 mainly includes an insertion body 11 and a first adapter 12, the adapter 2 mainly includes a rotating seat 21 and a second adapter, and the assembly mode of the lifting head 1 and the adapter 2 is that the second adapter of the adapter 2 is assembled on the first adapter 12 of the lifting head 1, so that they become a rotatable fixed structure, and the rotating seat 21 of the adapter 2 is rotated by the locking member to rotate and insert the lifting head 1 into the implantation cavity.

[0031] In an embodiment of the present application, the insertion body 11 is provided with threads outside, the insertion body 11 is adapted to the implantation cavity, and the insertion body 11 is assembled in the implantation cavity in a plug-in manner through thread cooperation. In this embodiment, by arranging threads outside the insertion body 11, the insertion body 11 is guided to rotate into the implantation cavity smoothly, which is more conducive to the extrusion of the insertion body 11 to the implantation cavity to form a closed space, and then the hydraulic lifting of the maxillary sinus mucosa is realized.

[0032] In an embodiment of the present application, the outer periphery of the rotating seat 21 is provided with a rotating part, which is arranged in the form of a nut, and the insertion body 11 is inserted into the implant cavity by rotating the adapter 2 through a locking member. Further, the locking member is arranged in the form of a wrench, and the locking member is provided with a driving part and a handle, which are fixedly connected. By arranging the rotating part on the outer periphery of the rotating seat 21 of the adapter 2, the rotating part cooperates with the driving part of the wrench, the handle of the wrench is held and rotated, the adapter 2 is rotated, and the lifting head 1 is rotated and inserted into the implant cavity.

[0033] In an embodiment of the present application, the water injector is provided with a third adapter part and a fourth adapter part at two ends, respectively, and the third adapter part and the fourth adapter part are communicatively arranged. The third adapter part is detachably connected with the first adapter part 12, and the fourth adapter part is connected with an external hydraulic equipment. Since the adapter has a through hole, the water injector cooperates with the adapter part, the third adapter part at one end of the water injector is sleeved with the lower end of the adapter part, the water injection channel of the water injector is communicated with the lifting head 1, and after the lifting head 1 is inserted into the implant cavity, the top end of the lifting head 1 is close to the maxillary sinus bottom which has been penetrated through the bone, the liquid is injected into the space between the maxillary sinus bottom mucosa and the lifting head, and then the adapter is rotated by the locking member to lift the lifting head upward. In this way, the maxillary sinus bottom mucosa is lifted by hydraulic lifting, a good lifting effect is achieved, and the operation method is simple.

[0034] On the other hand, in some embodiments of the present application, an adjusting groove is further arranged on the outer side of the insertion body 11 along the axial direction, and a clamping groove is further arranged on the outer side of the insertion body 11 along the circumferential direction. The clamping groove is communicated with the adjusting groove, and the stop ring 3 is slidably cooperated with the adjusting groove and the clamping groove. In this embodiment, the stop ring 3 can slide along the axial direction of the insertion body 11 and rotate and clamp along the outer periphery of the insertion body 11. According to the depth requirement of the implant cavity, the stop ring 3 is adjusted to the corresponding adjusting groove, and the stop ring 3 is rotated and clamped into the clamping groove, so that the stop ring 3 cannot slide along the axial direction of the insertion body 11. In this way, the upward movement of the insertion body 11 of the lifting head 1 is prevented, the implant cavity is adapted, and the lifting head 1 is prevented from entering too deep to cause the rupture of the maxillary sinus mucosa.

[0035] In an embodiment of the present application, the first adapter part 12 is provided with a first clamping part 13, the second adapter part is provided with a second clamping part 23, and the second adapter part is clamped with the first adapter part 12 in the form of insertion through the cooperation of the first clamping part 13 and the second clamping part 23. In this embodiment, the first adapter part 12 and the second adapter part are clamped in the form of insertion through the first clamping part 13 and the second clamping part 23, so that the lifting head 1 can be synchronously rotated when the adapter 2 is rotated.

[0036] In summary, the ordinary skilled in the art after reading the present utility model file, according to the technical scheme and technical concept of the present utility model without creative mental effort makes other various corresponding transformation scheme, all belong to the range of the present utility model is protected.

Claims

1. A maxillary sinus mucosa lifter for an implant, characterized by, The utility model provides an implantation cavity lifting device, which comprises a lifting head, an adapter, a locking piece and a water injector, the lifting head is provided with an injection hole in the axial direction, the injection hole is communicated with the bottom wall mucosa of the maxillary sinus, the adapter is assembled at the tail of the lifting device, the lifting head is inserted into the implantation cavity through the adapter rotated by the locking piece, the water injector is provided with a water injection channel, one end of the water injector is detachably connected with the tail of the lifting head, and the other end of the water injector is connected with external hydraulic equipment.

2. The maxillary sinus mucosa lifter for dental implant according to claim 1, characterized in that, The lifting head is further provided with a stop ring, the stop ring is sleeved on the lifting head, and the stop ring is further connected with the outer side of the lifting head in the radial direction.

3. The maxillary sinus mucosal lifter for dental implant according to claim 2, characterized in that, The lifting head is provided with an insertion main body and a first adapter part, the insertion main body is fixedly connected with the first adapter part in an integral mode, and the first adapter part is detachably connected with the adapter.

4. The maxillary sinus mucosal lifter for dental implant according to claim 3, characterized in that, The insertion main body is provided with threads on the outer side, the insertion main body is matched with the implantation cavity, and the insertion main body is assembled in the implantation cavity in a plug-in mode through thread cooperation.

5. The maxillary sinus mucosal lifter for dental implant according to claim 4, characterized in that, The adapter is provided with a rotating seat and a second adapter part, the rotating seat is fixedly connected with the second adapter part in an integral mode, and the second adapter part is detachably connected with the first adapter part.

6. The maxillary sinus mucosal lifter for dental implant according to claim 5, characterized in that, The rotating seat is provided with a rotating part on the outer periphery, the rotating part is provided in the form of a nut, and the insertion main body is inserted into the implantation cavity through the adapter rotated by the locking piece.

7. The maxillary sinus mucosal lifter for dental implant according to claim 6, characterized in that, The locking piece is provided in the form of a wrench, and the locking piece is provided with a driving part and a handle.

8. The maxillary sinus mucosal lifter for dental implant according to claim 7, characterized in that, The water injector is provided with a third adapter part and a fourth adapter part at two ends respectively, the third adapter part and the fourth adapter part are communicated, the third adapter part is detachably connected with the first adapter part, and the fourth adapter part is connected with external hydraulic equipment.

9. The maxillary sinus mucosal lifter for dental implant according to claim 3, characterized in that, The insertion main body is further provided with an adjusting groove in the axial direction on the outer side, the insertion main body is further provided with a clamping groove in the circumferential direction on the outer side, the clamping groove is communicated with the adjusting groove, and the stop ring is slidably matched with the adjusting groove and the clamping groove.

10. The maxillary sinus mucosal lifter for dental implant according to claim 5, characterized in that, The first adapter part is provided with a first clamping part, the second adapter part is provided with a second clamping part, and the second adapter part is clamped with the first adapter part in a plug-in mode through cooperation of the first clamping part and the second clamping part.