CN219048899U

CN219048899U - Maxillary sinus internal bone lifting chisel for planting

Info

Publication number: CN219048899U
Application number: CN202223173639.9U
Authority: CN
Inventors: 王兴; 赵翔宇; 田春瑞; 周紫蓝; 陈小航; 郝雨佳
Original assignee: Stomatological Hospital Of Shanxi Medical University
Current assignee: Stomatological Hospital Of Shanxi Medical University
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-05-23
Anticipated expiration: 2032-11-29

Abstract

The utility model belongs to the technical field of medical instruments for oral implantation, and discloses an intraosseous bone chisel for maxillary sinus implantation. The bone hammer driving device comprises a handle, a connecting handle, an illuminating pipe fitting, an osteotome end head and a bone meal injector, wherein a miniature electric push rod, a control button, a driving module and a battery are respectively arranged on the handle, the miniature electric push rod enables a first piston at the near end to move in a piston manner under the control of the driving module, a second piston at the far end is transmitted through a closed air medium to move along with the piston, and then the bone hammer is driven to realize hammering; meanwhile, the sleeve is made of transparent materials, and scales are added, so that the movement of the first piston is conveniently observed to judge the lifting height. According to the bone powder filling device, the bone powder conveying pipe is communicated with the end head main body, the injection port is communicated with the end head main body, and the pushing injector is connected with the end head main body through the injection port, so that each time one round of hammering operation is completed, bone powder can be pushed to be filled according to a certain amount, and the operation time is greatly shortened.

Description

Maxillary sinus internal bone lifting chisel for planting

Technical Field

The utility model belongs to the technical field of medical instruments for oral implantation, and particularly relates to an intraosseous bone chisel for planting an maxillary sinus.

Background

When the maxillary posterior teeth are missing for a long time, the bottom wall of the maxillary sinus is lowered, at this time, the implant may penetrate the maxillary sinus wall, and the maxillary sinus floor elevation is to raise the maxillary sinus floor by using a surgical method and implant a bone substitute material, which effectively increases the bone height, thereby enabling the implant operation.

At present, the topping method is one of the methods for lifting the maxillary sinus, and has the advantages of indirect, local and small wound. The roof punching method is to prepare to approach the maxillary sinus floor, the operator uses a special bone chisel and a bone hammer for implantation, and uses the force of manual hammering to lift the sinus floor mucosa, and simultaneously implants bone substitute material, thereby lifting the maxillary sinus height. However, the following problems exist in the conventional topping method in which the bone chisel is hammered by using a bone hammer: 1. the lifting strength of the manual knocking is difficult to control for operators with insufficient clinical experience, and the upper jaw Dou Chuantong is most likely to be caused; 2. in the whole top punching operation, the bone chisel is taken out to fill bone powder every 1-2mm lifting, so that the repeated operation is complicated.

After searching related patents, we found that although there are many patents about "maxillary sinus lifting osteotome", for example, three utility models with publication numbers CN210962182U, CN210962182U and CN204484234U respectively disclose different schemes of maxillary sinus lifting osteotome, for example, the utility model with publication number CN210228251U also discloses a maxillary sinus lifting osteotome. Although the above-mentioned patent publications all make different technical modifications for lifting the osteotome in the maxillary sinus, the operator uses the force of the hammer to manually hammer to lift the mucosa of the sinus floor when preparing to approach the maxillary sinus floor, and the problem of simultaneous filling of the maxillary Dou Chuantong and bone powder is not solved in practice.

Disclosure of Invention

Aiming at the problems of manual hammering by using a bone hammer in the existing maxillary sinus osteotome in the prior art, the utility model introduces a miniature electric push rod, controls the intermittent motion of the miniature electric push rod through a driving module, drives a first piston to push a second piston to reciprocate in a closed tube, thereby replacing the manual hammering osteotome, and designs and provides the maxillary sinus osteotome for planting.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plant and use interior bone chisel that carries of maxillary sinus, including the handle, it is connected with bone chisel end through the connecting handle, the handle is including the antiskid handle body to be provided with electronic pushing mechanism above that, electronic pushing mechanism makes inclosed air produce aerodynamic force through clearance nature reciprocating motion, the connecting handle includes the hollow tube, is connected with first external screw thread sealing joint and first internal screw thread sealing joint on it respectively, bone chisel end is including the end main part, fixedly connected with indent chisel head and second external screw thread joint respectively at its both ends the fixedly connected with shutoff piece on the end main part inner wall has offered the through-hole on it, is located be connected with the second piston through extension spring on the shutoff piece of the other side of second external screw thread joint, the activity of second piston sets up in the end main part to fixedly connected with bone tup above that, the bone tup is in the aerodynamic force that produces under the drive of electronic pushing mechanism advances and makes the second piston makes the piston motion, so that realize clearance nature and play the effect of hammer, communicate on the end main part, and be connected with bone meal carrier on its port intercommunication, injection interface is used for the injection interface.

As a further supplementary explanation of the above technical scheme, the electric pushing mechanism comprises a control button installed on the anti-slip handle body, a battery installed in the control button, a miniature electric push rod and a driving module connected with the control button, wherein the miniature electric push rod is connected with the battery through the driving module and is controlled to reciprocate by the control button, the output end of the miniature electric push rod is connected with a first piston through a pushing connecting rod, the first piston is movably arranged in a sleeve and is driven by the miniature electric push rod to perform piston movement, a first external threaded connector connected with a first internal threaded sealing interface is fixedly connected to a port of the sleeve, and a battery cap is installed on the other end of the sleeve.

As a further explanation and limitation of the above technical solution, the sleeve is made of transparent material and is provided with graduations on its side wall, which facilitate the observation of the movement of the first piston, in order to determine the lifting height.

As the further supplementary explanation of above-mentioned technical scheme, still including sealed set up in the illumination pipe fitting between stem and the osteotome end, the illumination pipe fitting is used for improving the inside light environment of oral cavity, assists the art person to observe the inside condition of oral cavity.

As a further supplementary explanation of the technical scheme, the lighting pipe fitting comprises a pipe fitting main body, and a second external thread sealing joint and a second internal thread sealing interface which are respectively arranged at two ends of the pipe fitting main body, a button cell and a switch button are embedded in the pipe fitting main body, a plurality of lighting beads are embedded on one side surface of the pipe fitting main body, and the lighting beads control the on-off of a circuit between the lighting beads and the button cell through the switch button, so that lighting is realized.

Compared with the existing maxillary sinus bone lifting chisel, the utility model has the following advantages:

1. according to the utility model, the miniature electric push rod, the control button, the driving module and the battery are respectively arranged on the handle, the miniature electric push rod is connected with the first piston through the pushing connecting rod under the control of the driving module, and the piston motion of the near-end first piston is transmitted through a closed air medium, so that the far-end second piston moves along with the piston, and the bone hammer head is driven to realize hammering action, so that the manual hammering of the bone hammer is replaced.

2. The sleeve outside the first piston is made of transparent materials, and scales are arranged on the side wall of the sleeve, so that the movement of the first piston can be conveniently observed, and the lifting height can be judged.

3. According to the bone powder filling device, the bone powder conveying pipe is communicated with the end head main body, and the injection port is communicated with the end head main body, so that each time after one round of hammering operation is completed, bone powder can be pushed to be filled according to a certain amount through the pushing injector connected with the injection port. Therefore, the operation inconvenience caused by hammering and filling bone powder can be greatly reduced, and the whole operation time is shortened.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a top view of an embodiment of the present utility model;

FIG. 3 is a block diagram of a stem in an embodiment of the utility model;

FIG. 4 is a block diagram of the interior of the handle in an embodiment of the utility model;

FIG. 5 is a cross-sectional view of an illuminated tube according to an embodiment of the present utility model;

FIG. 6 is an A-side view of an illuminated tube in an embodiment of the present utility model;

fig. 7 is a sectional internal construction view of an osteotome head in an embodiment of the utility model.

In the figure: the bone powder injector comprises a handle 1, a connecting handle 2, an illumination pipe fitting 3, an osteotome head 4, a bone powder injector 5, a miniature electric push rod 6, a control button 7, a driving module 8, a battery 9, a pushing connecting rod 10, a first piston 11, scales 12 and a spring 13, wherein the second piston 14, the osteotome head 15, a bone powder conveying pipe 16 and an injection interface 17 are connected.

The handle comprises an anti-slip handle body 101, a battery cap 102, a sleeve 103 and a first external threaded joint 104;

wherein the connection handle comprises a hollow tube 201, a first externally threaded sealing joint 202, a first internally threaded sealing interface 203;

the lighting pipe fitting comprises a pipe fitting main body 301, a button battery 302, a lighting lamp bead 303, a switch button 304, a second internal thread sealing interface 305 and a second external thread sealing joint 306;

the osteotome head comprises a head main body 401, a concave chisel head 402, a second external threaded connector 403, a blocking block 404 and a through hole 405.

Detailed Description

In order to further illustrate the technical scheme of the utility model, the utility model is further illustrated by three examples.

Example 1

As shown in fig. 1 to 7, an in-maxillary sinus osteotome for planting comprises a handle 1 connected with an osteotome head 4 through a connecting handle 2, the handle 1 comprises an anti-slip handle body 101, a sleeve 103 fixedly connected with one end of the anti-slip handle body 101, wherein the sleeve 103 is made of transparent material and is provided with scales 12 on the side wall thereof, which are convenient for observing the movement of the first piston 11 so as to judge the lifting height, a first external threaded joint 104 is fixedly connected with the port of the sleeve 103, a battery cap 102 is mounted on the other end of the sleeve, an electric pushing mechanism is arranged on the anti-slip handle body 101, wherein the electric pushing mechanism comprises a control button 7 mounted on the anti-slip handle body 101, a battery 9 mounted in the anti-slip handle body, a miniature electric push rod 6 and a driving module 8 connected with the control button 7, the miniature electric push rod 6 is connected with the battery 9 through the driving module 8 and is controlled to reciprocate by the control button 7, the output end of the miniature electric push rod 6 is connected with the first piston 11 through the pushing connecting rod 10, the first piston 11 is movably arranged in the sleeve 103 and is driven by the miniature electric push rod 6 to perform the piston movement, the connecting handle 2 comprises a hollow tube 201, a first external thread sealing joint 202 and a first internal thread sealing joint 203 are respectively connected on the hollow tube 201, the osteotome end 4 comprises an end main body 401, an inward concave chisel 402 and a second external thread joint 403 are respectively and fixedly connected at two ends of the osteotome end 4, a sealing block 404 is fixedly connected on the inner wall of the end main body 401, a through hole 405 is formed on the sealing block 404 positioned at the other side of the second external thread joint 403, a second piston 14 is connected on the sealing block 404 through a tension spring 13, the second piston 14 is movably arranged in the end head main body 401, and is fixedly connected with a bone hammer 15 thereon, the first piston 11 controls the miniature electric push rod 6 to perform intermittent reciprocating motion through the driving module 8 so as to enable airtight air to generate aerodynamic force, and the second piston 14 is further driven to follow the piston motion, so that the bone hammer 15 performs the function of bone hammer in an intermittent hammering manner.

Example two

In order to solve the operational inconvenience caused by repeatedly hammering and filling bone powder, in the first embodiment, the bone powder conveying pipe 16 is connected to the end head main body 401, and the injection port 17 is connected to the port of the bone powder conveying pipe, and the injection port 17 is used for externally connecting the bone powder injector 5. After each round of hammering operation, we can fill the bone powder by pushing the injector according to a certain amount.

Example III

Because the preparation has a certain depth, the lamplight can not enter the hole, so the planting nest is darker and the field of vision is poorer. For this purpose, in the two embodiments described above, we add to us a design of the lighting tube 3, wherein the lighting tube 3 is sealingly mounted between the shank 2 and the osteotome head 4 for assisting the lighting. The lighting pipe fitting 3 comprises a pipe fitting main body 301, and a second external thread sealing joint 306 and a second internal thread sealing joint 305 which are respectively arranged at two ends of the pipe fitting main body 301, a button cell 302 and a switch button 304 are embedded in the pipe fitting main body 301, a plurality of lighting lamp beads 303 are embedded on one side surface of the pipe fitting main body, and the lighting lamp beads 303 control the on-off of a circuit between the lighting lamp beads and the button cell 302 through the switch button 304, so that lighting is realized to assist a worker to observe the condition inside an oral cavity.

In the above three embodiments, referring to the existing bone chisel for lifting in the maxillary sinus, we use a connecting handle made of hollow tube, and can be divided into two types of straight type and curved type according to actual requirements.

The working principle is as follows:

before the bone meal injector is used, the bone meal injector is inserted into an injection interface of an osteotome end, the miniature electric push rod is started through pressing control, the miniature electric push rod is controlled by the driving module to reciprocate, at the moment, the first piston synchronously makes piston movement in the sleeve, at the moment, gas is connected with the pipe fitting main body and the end main body through the hollow pipe to form a sealing gas channel, so that the second piston synchronously makes piston movement along with the first piston, the bone hammer head imitates manual hammering action, the bone hammer is replaced by manual hammering, the lifting degree brought by hammering every time is consistent and easy to control, so that the jaw sinus punching risk caused by different bone hammer forces is reduced, and meanwhile, the specific lifting quantity can be observed through scales on the sleeve. After each hammering, during the gap of the miniature electric putter, the injector can be pushed to fill bone powder according to a certain amount, and the miniature electric putter is continuously started to drive the bone hammer to perform hammering action, so that the hammering and bone powder filling actions are repeated, and the bone powder filling and maxillary sinus lifting operations are synchronously completed.

While the principal features and advantages of the present utility model have been shown and described, it will be apparent to those skilled in the art that the detailed description of the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the utility model, and the inventive concept and design concept of the utility model shall be equally included in the scope of the utility model disclosed in the appended claims. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a implant is with carrying osteotome in maxillary sinus, includes handle (1), and it is connected with osteotome end (4) through connecting handle (2), its characterized in that: the handle (1) comprises an anti-slip handle body (101) and is provided with an electric pushing mechanism, the electric pushing mechanism enables airtight air to generate aerodynamic force through intermittent reciprocating motion, the connecting handle (2) comprises a hollow tube (201), a first external thread sealing joint (202) and a first internal thread sealing joint (203) are respectively connected onto the hollow tube, the osteotome head (4) comprises a head main body (401), an inward concave chisel head (402) and a second external thread joint (403) are respectively fixedly connected onto two ends of the osteotome head main body (401), a plugging block (404) is fixedly connected onto the inner wall of the head main body (401), a through hole (405) is formed on the plugging block (404) on the other side of the second external thread joint (403), a second piston (14) is connected onto the plugging block (404) on the other side of the second external thread joint (403) through a tension spring (13), the second piston (14) is movably arranged in the head main body (401) and is fixedly connected onto the first internal thread sealing joint (203), the osteotome head (15) enables the second piston (14) to perform the aerodynamic force generated by driving of the electric pushing mechanism to move under the driving of the electric pushing mechanism, and the second piston (14) is communicated with the bone plug (16) to the injection joint (17), the injection interface (17) is used for externally connecting the bone meal injector (5).

2. An implant maxillary sinus osteotome according to claim 1, wherein: the electric pushing mechanism comprises a control button (7) arranged on the anti-slip handle body (101), a battery (9) arranged in the anti-slip handle body, a miniature electric push rod (6) and a driving module (8) connected with the control button (7), wherein the miniature electric push rod (6) is connected with the battery (9) through the driving module (8) and is controlled to reciprocate by the control button (7), the output end of the miniature electric push rod (6) is connected with a first piston (11) through a pushing connecting rod (10), the first piston (11) is movably arranged in a sleeve (103) and is driven by the miniature electric push rod (6) to perform piston movement, a first external threaded connector (104) connected with a first internal threaded sealing interface (203) is fixedly connected to a port of the sleeve (103), and a battery cap (102) is arranged on one end of the anti-slip handle body (101) and the other end of the sleeve.

3. An implant maxillary sinus osteotome according to claim 2, wherein: the sleeve (103) is made of transparent material and is provided with graduations (12) on its side walls, which facilitate the observation of the movement of the first piston (11) in order to determine the lifting height.

4. A maxillary sinus endoprosthesis for planting according to any one of claims 1 to 3, wherein: the bone chisel is characterized by further comprising an illumination pipe fitting (3) which is arranged between the connecting handle (2) and the bone chisel end (4) in a sealing mode, wherein the illumination pipe fitting (3) is used for improving the light environment in the oral cavity and assisting an operator in observing the condition in the oral cavity.

5. An implant maxillary sinus osteotome according to claim 4, wherein: the lighting pipe fitting (3) comprises a pipe fitting main body (301), and a second external thread sealing joint (306) and a second internal thread sealing joint (305) which are respectively arranged at two ends of the pipe fitting main body (301), a button cell (302) and a switch button (304) are embedded in the pipe fitting main body, a plurality of lighting lamp beads (303) are embedded on one side surface of the pipe fitting main body, and the lighting lamp beads (303) are used for controlling the on-off of a circuit between the lighting lamp beads and the button cell (302) through the switch button (304), so that lighting is realized.