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Mechanical and electrical impedance type detection method and equipment for bone bridging degree of oral cavity implant

An oral implant, electromechanical impedance technology, used in diagnostic recording/measurement, medical science, dentistry, etc., can solve the problems of detection, bone bridging without oral implants, etc. The effect of small measurement errors

Inactive Publication Date: 2020-10-02
陕西工业职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no equipment that can meet the above three conditions, and there is no really effective method to detect the degree of bony fusion of oral implants

Method used

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  • Mechanical and electrical impedance type detection method and equipment for bone bridging degree of oral cavity implant
  • Mechanical and electrical impedance type detection method and equipment for bone bridging degree of oral cavity implant
  • Mechanical and electrical impedance type detection method and equipment for bone bridging degree of oral cavity implant

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Experimental program
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Effect test

Embodiment 1

[0055] It should be noted that, if Figure 6 As shown, the implant 4 is implanted into the alveolar bone 5 through orthopedic surgery. After a period of rehabilitation, the joint surface of the implant 4 and the alveolar bone 5 undergoes bone reconstruction and bone bonding. In order to detect the implant 4 and the The stability of the combination of the alveolar bone 5 is determined by the method involved in this embodiment.

[0056] The invention relates to an electromechanical impedance detection method for the degree of bony fusion of oral implants, which is used to detect the stability of the combination between the implant and the alveolar bone. please combine figure 1 and figure 2 , including the following steps:

[0057] S01 detects and calculates the inverse function of the transfer function of the impedance detection module 322 after the output terminal of the signal output circuit 3221 and the input terminal of the signal acquisition circuit 3223 are directly co...

Embodiment 2

[0134] A device using an electromechanical impedance type detection method for the degree of bony fusion of oral implants, used to detect the degree of integration between the alveolar bone 5 and the implant 4, such as image 3 As shown, it includes an electromechanical impedance sensor 1 , a signal cable 2 , and a bone joint degree detector 3 . The lower end of the electromechanical impedance sensor 1 extends into the implant 4, the electromechanical impedance sensor 1 is screwed to the implant 4, the top of the electromechanical impedance sensor 1 is electrically connected to one end of the signal cable 2, and the other end of the signal cable 2 is connected to the bone joint degree detection Instrument 3 is electrically connected. Among them, the electromechanical impedance sensor 1 is used to convert the mechanical impedance signal of the joint surface of the implant 4 and the alveolar bone 5 into an electrical impedance signal, and transmit the electrical impedance signal...

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Abstract

The invention discloses a mechanical and electrical impedance type detection method for bone bridging degree of an oral cavity implant. The detection method comprises the following steps of generatinga driving signal according to the circuit characteristics of an impedance detection module, detecting and calculating virtual transfer functions of the impedance detection module and an impedance detection circuit under different loading conditions under the action of the driving signal, calculating the electrical impedance of a mechanical and electrical impedance sensor under free state and close connection state through the virtual transfer functions, and calculating a standard-quantitative implant bone bridging degree index by using the electrical impedance as a middle parameter, so as todecrease the influence of parameter errors of a structure and a circuit on the measuring result. The invention also discloses equipment using the mechanical and electrical impedance type detection method for the bone bridging degree of the oral cavity implant. The equipment comprises a mechanical and electrical impedance sensor, a signal cable and a bone bridging degree detector. Mechanical impedance is changed into electrical impedance, the shear elasticity modulus of the junction surface of the whole implant and an alveolar bone, the bone bridging degree of the oral cavity implant is accurately reflected, the circuit is simple, and operations are convenient.

Description

technical field [0001] The invention relates to the technical field of detection equipment for the degree of bony cohesion of oral implants, in particular to an electromechanical impedance type detection method and equipment for the degree of bone cohesion of oral implants. Background technique [0002] In the clinical program of replacing missing teeth, oral implants are welcomed by patients with missing teeth and promoted by the field of stomatology because of their natural function, beautiful appearance, durability and physiological friendliness. Clinically, oral implant surgery is generally performed in two steps: the first step is to implant the implant into the alveolar bone where the missing tooth is located through orthopedic surgery; the second step is to recover for three to six months, and wait for the implant- The alveolar osseointegrated surface forms a stable bone bridge through the reconstruction of new bone, and then the abutment and crown are installed to co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61C19/04A61B5/00
CPCA61B5/0051A61B5/4542A61B5/4547A61B5/4851A61B5/682A61B5/72A61B5/7257A61C19/04
Inventor 唐忠林
Owner 陕西工业职业技术学院
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