CN109077818B - Root canal filling instrument - Google Patents
Root canal filling instrument Download PDFInfo
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- CN109077818B CN109077818B CN201810717045.9A CN201810717045A CN109077818B CN 109077818 B CN109077818 B CN 109077818B CN 201810717045 A CN201810717045 A CN 201810717045A CN 109077818 B CN109077818 B CN 109077818B
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- 210000004262 dental pulp cavity Anatomy 0.000 title claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 238000009413 insulation Methods 0.000 claims description 19
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims 3
- 238000007493 shaping process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 230000003239 periodontal effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000899 Gutta-Percha Substances 0.000 description 34
- 240000000342 Palaquium gutta Species 0.000 description 34
- 229920000588 gutta-percha Polymers 0.000 description 34
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 210000001519 tissue Anatomy 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 210000002200 mouth mucosa Anatomy 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000004746 tooth root Anatomy 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/50—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
- A61C5/55—Implements for filling root canals; Methods or instruments for medication of tooth nerve channels with heating means, e.g. for heating gutta percha
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- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a novel root canal filling instrument which comprises a holding body, wherein two ends of the holding body are respectively provided with a detachable heat-carrying component and a vertical pressurizing component, and the holding body is provided with a control component for controlling the working state of the heat-carrying component. The invention has convenient operation, and the operator can flexibly switch between heating and pressurizing, thereby being convenient for clinical use and saving the time for changing instruments. The root canal filling method provided by the invention utilizes a mixed filling method, has the advantages of controllable filling depth, no over filling, small damage to periodontal tissues, low requirement on root canal manufacturing, capability of quickly and effectively filling the root canal and very high popularization.
Description
Technical Field
The invention relates to the field of medicine, further relates to the field of dental surgery, and particularly relates to a root canal filling instrument.
Background
At present, gutta-percha is still the main material for filling root canals, the main filling methods include a cold gutta-percha lateral pressurizing filling method, a hot gutta-percha vertical pressurizing filling method and a single-tip filling method, and the three methods respectively have the advantages and disadvantages: the cold gutta-percha lateral pressurizing filling method has the advantages that the filling depth is accurate and controllable, and the defects that the filling of the upper section in the root canal is not compact and uniform, and the consumed time is long; the vertical pressure filling method of the hot gutta-percha has the advantages that the root canal filling is compact and uniform, the gutta-percha flowing through heating is beneficial to the filling of irregular root canals, and the defects that firstly, the filling depth of the root canal is not easy to control and easy to be overcharged, and secondly, periodontal tissues are easy to be damaged by high temperature; the single point filling method has the advantages of simple operation and relatively high requirement on the manufacture of the root canal, and the requirement on regular shape of the root canal conforms to the size of the gutta-percha point.
In addition, taking the vertical pressurizing and filling method of the hot gutta-percha as an example, the traditional operation process needs a doctor to switch between the operation of pressurizing equipment and heating equipment, and the operation is very inconvenient; moreover, most of the existing heating devices adopt electric heating devices, so that on one hand, the psychological pressure of a patient is high due to the risk of scalding the oral mucosa of the patient, and on the other hand, the sensitivity of the electric heating devices is limited, so that the gutta-percha is easily heated unevenly, and even the dental root canal of the patient can be possibly damaged.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a root canal filling instrument which is convenient to operate, adopts a non-electric heating device and is uniformly heated, and the specific scheme is as follows:
the utility model provides a novel root canal filling apparatus, includes the body that is used for holding, the both ends of body are equipped with detachable respectively and take hot subassembly and perpendicular pressure components, be equipped with on the body and be used for control take hot subassembly operating condition's control assembly.
Furthermore, the heat-carrying assembly comprises a heat-carrying seat connected to one end of the body, a working cavity is arranged in the heat-carrying seat, an ultrasonic generator is arranged in the working cavity, the ultrasonic generator is connected with a heating head through a wire, and an energy converter and an amplifier are connected between the ultrasonic generator and the heating head through wires; the ultrasonic generator is also connected with a rechargeable battery, and the rechargeable battery is connected with a wireless charging coil and a wireless charging coil circuit board through a lead;
the portable heating seat is provided with a heat conducting head which keeps in contact with the heating head, the heat conducting head is connected with a heating rod, the heating rod is bent to form a heating tip at a position 20mm away from the tail end, and an included angle between the heating tip and the heating rod is 110-130 degrees.
Furthermore, a heat-insulating device is further arranged on the heat-carrying seat, the heat-insulating device comprises a heat-insulating sleeve which is connected to the heat-carrying seat and is positioned on one side of the heat-conducting head, and the length of the heat-insulating sleeve is equal to the distance between the heat-carrying seat and the tail part of the heating tip; the heat insulation cover is provided with a first cavity matched with one side of the heating rod and a heat conduction head, the heat insulation cover is hinged with a heat insulation cover matched with the heat insulation cover, and the inner wall of the heat insulation cover is provided with a second cavity matched with the other side of the heating rod and the heat conduction head.
Furthermore, the section of the heating tip is of a conical structure, the diameter of the cross section of the heating tip close to one end of the heating rod is 1.4-1.6 mm, the diameter of the cross section of the heating tip far away from one end of the heating rod is 0.2-0.4 mm, and the tip of the heating tip is a spherical surface.
Further, the vertical pressurizing assembly comprises a pressurizing rod connected to the other end of the body, the middle point of the pressurizing rod is bent upwards to form an arm rod, and the included angle between the arm rod and the pressurizing rod is 140-160 degrees; the arm lever is bent downwards from the position 20mm away from the tail end to form a pressurizing tip, and the included angle between the pressurizing tip and the arm lever is 90 degrees.
Furthermore, the section of the pressure tip is of a conical structure, the diameter of the cross section of the pressure tip close to one end of the arm rod is 1.4mm-1.6mm, the diameter of the cross section of the pressure tip far away from one end of the arm rod is 0.8mm-1mm, and the tip of the pressure tip is formed into a plane perpendicular to the central axis of the pressure tip.
Further, the body is made of insulating materials, the control assembly comprises a direct current voltage reducer arranged in the body, the direct current voltage reducer is connected with the rechargeable battery through a lead, a first contact and a second contact are arranged on the surface of the body, the first contact is connected with the direct current voltage reducer through a lead, and the second contact is connected with the ultrasonic generator through a lead.
Furthermore, a sliding groove is formed in the surface of the body, a plurality of clamping positions are formed in the inner wall of the sliding groove, sliding seats capable of being contained in the sliding groove are arranged below the first contact and the second contact, and clamping protrusions are arranged on two opposite side faces of each sliding seat; a limiting cavity which is axially arranged is arranged in the clamping protrusion, and a limiting groove which is axially arranged and communicated with the limiting cavity is arranged on the side wall of the clamping protrusion; the limiting cavity is internally provided with a clamping head matched with the clamping position through an elastic spring, and the clamping head is provided with an operating handle which penetrates through the limiting groove and extends out of the first contact or the second contact.
The invention has the beneficial effects that:
the root canal filling instrument provided by the invention is convenient to operate, an operator can flexibly switch between heating and pressurizing, the clinical use is convenient, and the time for replacing the instrument is saved; the filling method provided by the invention utilizes a mixed filling method, has controllable filling depth, does not cause over filling, has small damage to periodontal tissues, has low requirement on root canal manufacture, can quickly and effectively fill the root canal, and has high popularization.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of a heat carrying assembly of the present invention,
figure 3 is a schematic view (in plan view) of the structure of the thermal insulation device according to the invention,
figure 4 is a schematic view (front view) of the structure of the thermal insulation device of the present invention,
figure 5 is a schematic view of the working state of the first and second contacts of the invention,
fig. 6 is a schematic view of a mounting structure of the first contact according to the present invention.
Figure number and name: 1. the device comprises a body, 2, a heat-carrying assembly, 201, a heat-carrying seat, 202, a working cavity, 203, an ultrasonic generator, 204, a heating head, 205, a transducer, 206, an amplifier, 207, a rechargeable battery, 210, a heat conducting head, 211, a heating rod, 212, a heating tip, 3, a vertical pressurizing assembly, 301, a pressurizing rod, 302, an arm rod, 303, a pressurizing tip, 4, a control assembly, 401, a direct current step-down transformer, 402, a first contact, 403, a second contact, 404, a sliding chute, 405, a clamping position, 406, a sliding seat, 407, a clamping protrusion, 408, a limiting cavity, 409, a limiting groove, 410, an elastic spring, 411, a clamping head, 412, an operating handle, 5, a heat insulation device, 501, a heat insulation sleeve, 502, a first cavity, 503, a heat insulation cover, 504 and a second cavity.
Detailed Description
To explain the technical content, structural features, attained objects and effects of the present invention in detail, embodiments are described below in detail with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the scope of the present invention.
Referring to fig. 1, the root canal filling instrument disclosed by the invention comprises a body 1 for holding, wherein two ends of the body 1 are respectively provided with a detachable heat-carrying component 2 and a vertical pressurizing component 3, and the body 1 is provided with a control component 4 for controlling the working state of the heat-carrying component 2.
As shown in fig. 2, the heat-carrying assembly 2 comprises a heat-carrying seat 201 connected to one end of the body 1, a working chamber 202 is arranged in the heat-carrying seat 201, an ultrasonic generator 203 is arranged in the working chamber 202, the ultrasonic generator 203 is connected with a heating head 204 through a conducting wire, and a transducer 205 and an amplifier 206 are further connected between the ultrasonic generator 203 and the heating head 204 through a conducting wire; the ultrasonic generator 203 is also connected with a rechargeable battery 207, and the rechargeable battery 207 is connected with a wireless charging coil and a wireless charging coil circuit board (not shown in the drawing) through a lead. The common gutta-percha heating and melting method adopts a resistance method or a high-frequency electric heating method, the temperature is high and is not easy to control, periodontal tissues are easy to damage, the performance of a filling material is also influenced by overhigh temperature, the temperature for melting and melting the gutta-percha actually reaches 65 ℃, the requirement can be met by high-power ultrasound, the ultrasound is not easy to damage wound cavity soft tissues, the protection of a patient is facilitated, and meanwhile, the ultrasound vibration is also beneficial to filling of a root canal sealing agent to small root canal side branches. Moreover, the device can adopt wireless charging, and the arrangement of a power supply circuit is simplified. The heat-carrying seat 201 is provided with a heat conducting head 210 which keeps contact with the heating head 204, the heat conducting head 210 is connected with a heating rod 211, the heating rod 211 is bent to form a heating tip 212 at a position 20mm away from the tail end, and the included angle between the heating tip 212 and the heating rod 211 is 120 degrees.
With reference to fig. 3 and 4, the heat-carrying base 201 is further provided with a heat insulation device 5, the heat insulation device 5 includes a heat insulation sleeve 501 connected to the heat-carrying base 201 and located at one side of the heat conducting head 210, and the length of the heat insulation sleeve 501 is equal to the distance between the heat-carrying base 201 and the tail of the heating tip 212; a first cavity 502 matched with one side of the heat conducting head 210 and one side of the heating rod 211 are arranged on the heat insulating sleeve 501, a heat insulating cover 503 matched with the heat insulating sleeve 501 is hinged on the heat insulating sleeve 501, and a second cavity 504 matched with the other side of the heat conducting head 210 and the other side of the heating rod 211 is arranged on the inner wall of the heat insulating cover 503. The heat-carrying assembly adopts a single-angle corner design and is matched with a heat insulation device, so that the heating rod and the heating tip with high temperature in the operation process can be effectively prevented from touching the oral mucosa of the patient, and the patient is prevented from being scalded.
Referring to fig. 1, the cross-section of the heating tip 212 is a tapered structure, the cross-sectional diameter of the heating tip 212 near the end of the heating rod 211 is 1.5mm, the cross-sectional diameter of the heating tip 212 far from the end of the heating rod 211 is 0.3mmm, and the tip of the heating tip 212 is a spherical surface. The size of this heating point and the size cooperation of current gutta-percha point make the last inserted gutta-percha point and the gap that forms after the heating point takes out match, and the space that the shape of the sharp shape of standard heat of taking produced is more favorable to adopting the gutta-percha point of standard to remove to fill than the prepared shape of natural root canal. The vertical pressurizing assembly 3 comprises a pressurizing rod 301 connected to the other end of the body 1, the middle point of the pressurizing rod 301 is bent upwards to form an arm rod 302, and the included angle between the arm rod 302 and the pressurizing rod 301 is 150 degrees; the arm lever 302 is bent downwards at a position 20mm away from the tail end to form a pressing tip 303, and the included angle between the pressing tip 303 and the arm lever 302 is 90 degrees. The section of the pressure tip 303 is a conical structure, the diameter of the cross section of the end, close to the arm 302, of the pressure tip 303 is 1.5mm, the diameter of the cross section of the end, far away from the arm 302, of the pressure tip 303 is 0.9mm, and the tip of the pressure tip 303 is formed into a plane perpendicular to the central axis of the pressure tip 303. The size of the tip of the pressurizing tip is matched with a No. 3G drill which is most commonly used for the opening of the root canal orifice in clinic, so that the pressurizing tip is more beneficial to the vertical pressurization of the root canal orifice.
The body 1 is made of insulating materials, the control component 4 comprises a direct current voltage reducer 401 arranged in the body 1, the direct current voltage reducer 401 is connected with the rechargeable battery 207 through a conducting wire, a first contact 402 and a second contact 403 are arranged on the surface of the body 1, the first contact 402 is connected with the direct current voltage reducer 401 through a conducting wire, and the second contact 403 is connected with the ultrasonic generator 203 through a conducting wire. When in operation, the first contact and the second contact form a passage only by using an operator, so that the whole working circuit of the ultrasonic generator is connected and works normally; when the first contact and the second contact do not form a passage, the ultrasonic generator does not work. (the structure of the control component can be arranged in the body according to the actual situation on the premise of meeting the connection relation, so that the structure is not drawn in the attached drawings of the specification)
With reference to fig. 5 and 6, the surface of the main body 1 is provided with a sliding groove 404, the inner wall of the sliding groove 404 is provided with a plurality of clamping positions 405, and sliding seats 406 capable of being accommodated in the sliding groove 404 are respectively arranged below the first contact 402 and the second contact 403; referring to fig. 6, taking the first contact as an example, two opposite side surfaces of the sliding base 406 are provided with clamping protrusions 407; a limit cavity 408 which is axially arranged is arranged in the clamping protrusion 407, and a limit groove 409 which is axially arranged and communicated with the limit cavity 408 is arranged on the side wall of the clamping protrusion 407; a clamping head 411 matched with the clamping position 405 is arranged in the limiting cavity 408 through an elastic spring 410, and an operating handle 412 which penetrates through the limiting groove 409 and extends out of the first contact 402 is arranged on the clamping head 411. The position of the first contact point is adjustable, so that the first contact point can adapt to individual difference of different operators and different use habits.
Because the middle-upper section of the root canal is irregular, the lateral force is not advocated when the cold gutta-percha is filled, otherwise the root fold is caused, so the cold gutta-percha is not easy to fill the irregular area of the root canal. After the soft gutta-percha is hot melted, the method can be used for properly adding teeth in a lateral direction, which is beneficial to the filling of irregular areas and the tight connection of filling materials and root canal walls.
The filling method comprises the following steps:
before filling, an operator adjusts the positions of the first contact point and the second contact point on the body according to the use habits or individual differences, so that when the operator holds the body, one of the two contact points is tightly attached to the palm of the operator and the other contact point is positioned near the finger pulp of the index finger of the operator;
placing the main gutta-percha point stained with the sealing agent into a root canal, extending the heating point of the instrument into the root canal from the side of the main gutta-percha point to perform lateral pressurization on the main gutta-percha point, and then taking out the heating point;
taking a plurality of auxiliary gutta-percha points, putting the auxiliary gutta-percha points into the auxiliary gutta-percha points from the side gap of the main gutta-percha point one by one after being dipped with a sealing agent until the auxiliary gutta-percha points are tightly arranged;
the heat-carrying component starts to work, and the main gutta-percha point and the auxiliary gutta-percha point are fused from the root canal orifice by utilizing the high-temperature heating point;
inserting the high-temperature heating tip into the center of gutta-percha in the root canal, wherein the insertion depth is 3-4 mm;
when the gutta-percha at the middle-upper section is in a hot soft state, stopping the work of the heat carrying assembly, and slightly pressurizing the side wall of the root canal by using the heating tip;
the heat carrying component works, the heating tip is taken out after the heating component is heated for a short time, and then the work of the heat carrying component is stopped;
selecting a gutta-percha point matched with the heating point in size, dipping the gutta-percha point with a sealing agent, and inserting the gutta-percha point into a gap formed in the middle of the root canal after the heating point is taken out;
the heat carrying assembly works, the gutta-percha is fused from the root canal orifice by using a high-temperature heating tip, and then the work of the heat carrying assembly is stopped;
and (4) vertically pressurizing the gutta-percha fracture by using the pressurizing tip to complete the filling of the root canal.
Therefore, the invention is not limited to the specific embodiments and examples, but rather, all equivalent variations and modifications are within the scope of the invention as defined in the claims and the specification.
Claims (6)
1. An endodontic filling instrument comprising a body (1) for holding, characterized in that: the two ends of the body (1) are respectively provided with a detachable heat carrying component (2) and a vertical pressurizing component (3), and the body (1) is provided with a control component (4) for controlling the working state of the heat carrying component (2);
the heat-carrying assembly (2) comprises a heat-carrying seat (201) connected to one end of the body (1), a working cavity (202) is arranged in the heat-carrying seat (201), an ultrasonic generator (203) is arranged in the working cavity (202), the ultrasonic generator (203) is connected with a heating head (204) through a lead, and a transducer (205) and an amplifier (206) are connected between the ultrasonic generator (203) and the heating head (204) through leads; the ultrasonic generator (203) is also connected with a rechargeable battery (207), and the rechargeable battery (207) is connected with a wireless charging coil and a wireless charging coil circuit board through a lead;
a heat conducting head (210) which is in contact with the heating head (204) is arranged on the heat carrying seat (201), a heating rod (211) is connected to the heat conducting head (210), the position of the heating rod (211) which is 20mm away from the tail end is bent to form a heating tip (212), and the included angle between the heating tip (212) and the heating rod (211) is 110-130 degrees;
the body (1) is made of insulating materials, the control assembly (4) comprises a direct current step-down transformer (401) arranged in the body (1), the direct current step-down transformer (401) is connected with the rechargeable battery (207) through a lead, a first contact (402) and a second contact (403) are arranged on the surface of the body (1), the first contact (402) is connected with the direct current step-down transformer (401) through a lead, and the second contact (403) is connected with the ultrasonic generator (203) through a lead.
2. The root canal filling instrument according to claim 1, wherein: the heat-carrying seat (201) is further provided with a heat insulation device (5), the heat insulation device (5) comprises a heat insulation sleeve (501) which is connected to the heat-carrying seat (201) and located on one side of the heat conduction head (210), and the length of the heat insulation sleeve (501) is equal to the distance between the heat-carrying seat (201) and the tail of the heating tip (212); be equipped with on radiation shield cover (501) with heat conduction head (210) with heating rod (211) one side complex first cavity (502), on radiation shield cover (501) articulated have with radiation shield cover (501) complex lid (503) that insulates against heat, the inner wall of lid (503) that insulates against heat be equipped with heat conduction head (210) with heating rod (211) opposite side complex second cavity (504).
3. The root canal filling instrument according to claim 2, wherein: the section of heating point (212) is the toper structure, heating point (212) are close to the cross section diameter of heating rod (211) one end is 1.4mm-1.6mm, heating point (212) are kept away from the cross section diameter of heating rod (211) one end is 0.2mm-0.4mm, the most advanced of heating point (212) is the sphere.
4. The root canal filling instrument according to claim 1, wherein: the vertical pressurizing assembly (3) comprises a pressurizing rod (301) connected to the other end of the body (1), the middle point of the pressurizing rod (301) is bent upwards to form an arm rod (302), and the included angle between the arm rod (302) and the pressurizing rod (301) is 150 degrees; the arm lever (302) is bent downwards from the position 20mm away from the tail end to form a pressure tip (303), and the included angle between the pressure tip (303) and the arm lever (302) is 90 degrees.
5. The root canal filling instrument according to claim 4, wherein: the section of pressure point (303) is the toper structure, pressure point (303) are close to the cross section diameter of armed lever (302) one end is 1.4mm-1.6mm, pressure point (303) keep away from the cross section diameter of armed lever (302) one end is 0.8mm-1mm, the most advanced shaping of pressure point (303) be with the plane of pressure point (303) center pin vertically.
6. The root canal filling instrument according to claim 1, wherein: the surface of the body (1) is provided with two sliding grooves (404), the inner wall of each sliding groove (404) is provided with a plurality of clamping positions (405), a sliding seat (406) capable of being contained in each sliding groove (404) is arranged below each first contact (402) and each second contact (403), and clamping protrusions (407) are arranged on two opposite side surfaces of each sliding seat (406); a limiting cavity (408) which is axially arranged is arranged in the clamping protrusion (407), and a limiting groove (409) which is axially arranged and is communicated with the limiting cavity (408) is arranged on the side wall of the clamping protrusion (407); the limiting cavity (408) is internally provided with a clamping head (411) matched with the clamping position (405) through an elastic spring (410), and the clamping head (411) is provided with an operating handle (412) which penetrates through the limiting groove (409) and extends out of the first contact (402) or the second contact (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717045.9A CN109077818B (en) | 2018-07-03 | 2018-07-03 | Root canal filling instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810717045.9A CN109077818B (en) | 2018-07-03 | 2018-07-03 | Root canal filling instrument |
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| Publication Number | Publication Date |
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| CN109077818A CN109077818A (en) | 2018-12-25 |
| CN109077818B true CN109077818B (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810717045.9A Active CN109077818B (en) | 2018-07-03 | 2018-07-03 | Root canal filling instrument |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110368108A (en) * | 2019-07-16 | 2019-10-25 | 武汉大学 | Improve the device of root-canal filling effect |
| CN113172895A (en) * | 2021-04-23 | 2021-07-27 | 上海乐纯生物技术有限公司 | Aseptic pipe connecting machine |
| CN113135321B (en) * | 2021-04-23 | 2023-03-17 | 上海乐纯生物技术有限公司 | Pipe sealing machine |
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| CN2815300Y (en) * | 2005-08-05 | 2006-09-13 | 张少华 | Ultrasonic multifunction gutta peercha point root canal stuffer |
| CN203988429U (en) * | 2014-07-29 | 2014-12-10 | 中国人民解放军第四军医大学 | The vertical pressue device of a kind of vibration-type oral cavity root-canal filling |
| CN204072361U (en) * | 2014-06-26 | 2015-01-07 | 浙江中医药大学 | The spontaneous pattern of fever gutta-percha of hand-held scalds spoon |
| CN204698735U (en) * | 2015-03-31 | 2015-10-14 | 北京希澈科技有限公司 | Electric toothbrush |
| CN104994967A (en) * | 2013-12-27 | 2015-10-21 | 英特尔梅迪股份有限公司 | Piezoelectric device and circuitry |
| CN209253178U (en) * | 2018-07-03 | 2019-08-16 | 付少平 | A kind of novel root-canal filling instrument |
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2018
- 2018-07-03 CN CN201810717045.9A patent/CN109077818B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2815300Y (en) * | 2005-08-05 | 2006-09-13 | 张少华 | Ultrasonic multifunction gutta peercha point root canal stuffer |
| CN104994967A (en) * | 2013-12-27 | 2015-10-21 | 英特尔梅迪股份有限公司 | Piezoelectric device and circuitry |
| CN204072361U (en) * | 2014-06-26 | 2015-01-07 | 浙江中医药大学 | The spontaneous pattern of fever gutta-percha of hand-held scalds spoon |
| CN203988429U (en) * | 2014-07-29 | 2014-12-10 | 中国人民解放军第四军医大学 | The vertical pressue device of a kind of vibration-type oral cavity root-canal filling |
| CN204698735U (en) * | 2015-03-31 | 2015-10-14 | 北京希澈科技有限公司 | Electric toothbrush |
| CN209253178U (en) * | 2018-07-03 | 2019-08-16 | 付少平 | A kind of novel root-canal filling instrument |
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| CN109077818A (en) | 2018-12-25 |
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Effective date of registration: 20231219 Address after: Floor 3, Building 5, No. 28 Yuhua Road, Linkong Economic Core Zone, Shunyi District, Beijing, 101318 Patentee after: Beijing Xiaoaozhuomei Denture Co.,Ltd. Address before: 102218 Department of Stomatology, outpatient department, commercial aviation general hospital, building 17, Tiantong Xiyuan District 2, Changping District, Beijing Patentee before: Fu Shaoping |