CN109394354B - Tooth gel filling instrument easy to clean and maintain - Google Patents
Tooth gel filling instrument easy to clean and maintain Download PDFInfo
- Publication number
- CN109394354B CN109394354B CN201811605622.1A CN201811605622A CN109394354B CN 109394354 B CN109394354 B CN 109394354B CN 201811605622 A CN201811605622 A CN 201811605622A CN 109394354 B CN109394354 B CN 109394354B
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- Prior art keywords
- piston
- sleeve
- cavity
- push rod
- piston sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003670 easy-to-clean Effects 0.000 title claims abstract description 9
- 239000000899 Gutta-Percha Substances 0.000 claims abstract description 46
- 240000000342 Palaquium gutta Species 0.000 claims abstract description 46
- 229920000588 gutta-percha Polymers 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000003292 glue Substances 0.000 claims abstract description 40
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 5
- 229920002530 polyetherether ketone Polymers 0.000 claims description 5
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 description 5
- 210000004262 dental pulp cavity Anatomy 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000003479 dental cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 210000004746 tooth root Anatomy 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a gutta-percha filling instrument easy to clean and maintain, which comprises a piston cylinder, a piston sleeve, a piston push rod and a glue injection assembly, wherein a front mounting cavity, a piston cavity and a rear mounting cavity are sequentially arranged in the piston cylinder, the piston sleeve comprises a sleeve body and a limiting ring table which is arranged in a protruding mode, the sleeve body is in plug-in fit with the piston cavity, the front end of the sleeve body stretches into the front mounting cavity, the front part of the sleeve body is sleeved with a front end sealing ring for isolating the piston cavity and the front end mounting cavity, and/or the tail part of the piston sleeve is provided with a rear end sealing ring which is tightly matched with the piston push rod, the front end of the piston push rod stretches into the sleeve body, and the glue injection assembly is fixedly arranged at the front end of the piston sleeve, and when the gutta-percha in the piston sleeve is in use, the piston push rod is moved to be extruded by the glue injection assembly after being melted.
Description
Technical Field
The invention relates to the technical field of dental equipment, in particular to a gutta-percha filling instrument easy to clean and maintain.
Background
In the prior art, gutta-percha filling instruments are used in the dental root canal treatment process to fill the enlarged root canal which has been completed by using other equipment. Root canal filling is typically performed by heating to soften the gutta-percha point, injecting a filling material, and the like.
A gutta-percha filling gun in a gutta-percha filling instrument is characterized in that solid gutta-percha is placed in a piston cavity, the gutta-percha is softened into fluid by heating, then thrust is applied by a piston at the rear end, and the fluid gutta-percha is pushed out from a tiny silver needle at the front end and enters a root canal for filling.
However, the filling guns which are common in the market at present have a sealing structure which is designed as a movable piston. The fluid gutta-percha is easy to leak from the sealing structure to the rear end of the piston in the use process; or when a new gutta percha is replaced, the gutta percha is moved to the rear end of the piston due to the fact that the piston needs to be withdrawn from the piston cavity. The gutta-percha leaked to the rear end of the piston can influence the use effect of the filling gun, and is not easy to clean up when in cleaning maintenance, but also greatly influences the use experience of a user, so that the gutta-percha becomes a reason that a plurality of operators do not use the filling gun.
Disclosure of Invention
The invention aims to solve the technical problem of providing the gutta-percha filling instrument which has the advantages of simple structure, lower cost and easy cleaning and maintenance.
In order to solve the technical problems, the gutta-percha filling instrument easy to clean and maintain comprises a piston cylinder, a piston sleeve, a piston push rod and a glue injection assembly, wherein a front mounting cavity, a piston cavity and a rear mounting cavity are sequentially arranged in the piston cylinder, the piston sleeve comprises a sleeve body and a limiting ring table which is arranged in a protruding mode, the sleeve body is in plug-in fit with the piston cavity, the front end of the sleeve body stretches into the front mounting cavity, the front end of the sleeve body is sleeved with a front end sealing ring for isolating the piston cavity and the front mounting cavity, and/or the tail of the piston sleeve is provided with a rear end sealing ring which is tightly matched with the piston push rod, the front end of the piston push rod stretches into the sleeve body, and the glue injection assembly is fixedly arranged at the front end of the piston sleeve, so that the gutta-percha in the piston sleeve is extruded by the glue injection assembly after being subjected to hot melting in use.
Further, the gutta-percha filling instrument further comprises a front end locking nut in threaded fit with the front mounting cavity, the glue injection assembly comprises a glue injection needle and a piston end cap, the piston end cap comprises an end cap body, the tail of the end cap body is provided with a piston sleeve inserting groove matched with the piston sleeve, the front end of the end cap body is provided with a glue injection needle connecting cylinder suitable for inserting the glue injection needle, the center of the front end locking nut is provided with a nut through hole suitable for the glue injection needle connecting cylinder to penetrate, the piston end cap is arranged in the front mounting cavity and the front end of the piston sleeve is arranged in the piston sleeve inserting groove during assembly, the front end locking nut is in threaded connection with the front mounting cavity and used for compressing the piston end cap, and the glue injection needle connecting cylinder penetrates through the nut through hole and the glue injection needle to be inserted into the glue injection needle connecting cylinder.
Further, the limiting ring platform is arranged at the tail end of the piston sleeve, the inner diameter of the rear mounting cavity is larger than that of the piston cavity, so that an annular bottom wall is formed between the rear mounting cavity and the piston cavity, the inner side surface of the limiting ring platform is tightly attached to the annular bottom wall during assembly, and the tail of the piston cavity is sealed by the limiting ring platform.
Further, the gutta-percha filling instrument further comprises a rear end locking nut in threaded fit with the rear mounting cavity, a rear end locking nut through hole which is suitable for the piston push rod to pass through is arranged in the center of the rear end locking nut, and the rear end locking nut is in threaded connection with the rear mounting cavity during assembly and is used for compressing a rear end sealing ring.
Further, the piston sleeve inserting groove comprises a cylinder section and a conical section arranged at the tail end of the piston sleeve inserting groove, so that the tail end of the piston sleeve inserting groove is in a horn shape, the piston sleeve is convenient to insert into the piston sleeve inserting groove, and during assembly, the inner wall of the cylinder section is in small clearance fit with the outer wall of the piston sleeve, so that overflow of hot-melt dental adhesive is reduced.
Further, an annular limiting table is arranged in the cylinder section, and the front end of the piston sleeve is abutted with the limiting table during assembly, so that overflow of hot-melt dental adhesive is reduced.
Furthermore, the front end sealing ring and the rear end sealing ring are PEEK sealing rings or PTFE sealing rings, have excellent new performances of sliding wear resistance and fretting wear resistance, and especially can keep high wear resistance and low friction factor at 250 ℃, so that the performances of the front end sealing ring and the rear end sealing ring are prevented from being influenced when gutta-percha is heated.
Further, the piston sleeve is a stainless steel sleeve, and the piston push rod is a stainless steel push rod or a ceramic push rod.
The invention has the technical effects that: (1) Compared with the prior art, the gutta-percha filling instrument easy to clean and maintain is characterized in that gutta-percha is arranged in the piston sleeve, the front end of the piston sleeve extends into the front mounting cavity after being fixed, and the rear end sealing ring seals the piston push rod, so that the overflow of the gutta-percha after hot melting between the piston push rod and the piston sleeve can be effectively avoided; the piston sleeve inserting groove is provided with a cylinder section, a limiting table is arranged in the cylinder section, and the piston end cap is tightly pressed by a front end locking nut during assembly, so that the limiting table is abutted with the front end of the piston sleeve, the entry of the hot-melted gutta-percha into a front mounting cavity can be reduced, and the piston cavity and the front mounting cavity are isolated by a front end sealing ring, so that the hot-melted gutta-percha cannot enter a gap between the piston sleeve and the piston cylinder when entering the hot-melted gutta-percha in the front mounting cavity; (2) The glue injection assembly is arranged to be detachable, is in threaded connection with the piston sleeve through the locking nut at the front end, is convenient to replace and detach, and is low in cost, so that the glue injection assembly becomes a disposable product and is clean and sanitary; (3) The end part of the piston sleeve splicing groove is in a horn shape, so that the piston end cap is easy to assemble.
Drawings
The invention is described in further detail below with reference to the drawings of the specification:
Fig. 1 is a schematic perspective view of a gutta-percha filling machine according to embodiment 1 of the present invention;
fig. 2 is a schematic sectional view of a gutta-percha filling machine according to embodiment 1 of the present invention;
Fig. 3 is an exploded view of the gutta-percha filling machine of embodiment 1 of the present invention;
FIG. 4 is a schematic perspective view of a piston end cap;
FIG. 5 is a schematic cross-sectional view of a piston end cap;
FIG. 6 is a schematic perspective view of a piston cylinder;
FIG. 7 is a schematic cross-sectional view of a piston cartridge;
FIG. 8 is a schematic perspective view of a piston sleeve;
fig. 9 is a schematic sectional view of a gutta-percha filling machine according to embodiment 2 of the present invention;
Fig. 10 is a schematic sectional view of a gutta-percha filling machine according to embodiment 3 of the present invention.
In the figure: the injection needle 1, the front end locking nut 2, the piston end cap 3, the end cap body 31, the injection needle connecting cylinder 32, the piston sleeve mounting groove 33, the conical section 34, the cylinder section 35, the limit table 36, the piston cylinder 4, the front mounting cavity 41, the piston cavity 42, the rear mounting cavity 43, the annular bottom wall 44, the front end sealing ring 6, the gutta percha 7, the piston sleeve 8, the sleeve body 81, the limit ring table 82, the rear end sealing ring 9, the rear end locking nut 10 and the piston push rod 11.
Detailed Description
Embodiment 1 as shown in fig. 1 to 8, the gutta-percha filling instrument easy to clean and maintain in this embodiment includes a piston cylinder 4, a piston sleeve 8, a piston push rod 11 and a glue injection assembly, wherein the piston cylinder 4 is formed by plastic integral injection molding, and a front mounting cavity 41, a piston cavity 42 and a rear mounting cavity 43 are sequentially arranged in the piston cylinder, wherein the inner diameter of the piston cavity 42 is smaller than the inner diameters of the front mounting cavity 41 and the rear mounting cavity 43, the front mounting cavity 41 is used for assembling the glue injection assembly, and the rear mounting cavity 43 is used for assembling the piston push rod 11.
The piston sleeve 8 is a stainless steel sleeve, comprising a sleeve body 81 and a limiting ring table 82 which are integrally formed, wherein the limiting ring table 82 is arranged at the tail end of the sleeve body 81, the inner diameter of the rear mounting cavity 43 is larger than that of the piston cavity 42, so that an annular bottom wall 44 is formed between the rear mounting cavity 43 and the piston cavity 42, the outer wall of the sleeve body 81 is in small clearance fit with the inner wall of the piston cavity 42 during assembly, when the sleeve body 81 is inserted into the piston cavity 42, the inner side surface of the limiting ring table 82 is tightly attached to the annular bottom wall, and the tail of the piston cavity 42 is sealed by the limiting ring table 82.
The front end of the sleeve body 81 extends into the front mounting cavity 41, and the front end sealing ring 6 for isolating the piston cavity 42 and the front end mounting cavity 41 is sleeved on the front part of the sleeve body 81, and the front end sealing ring 6 is arranged in the front mounting cavity 41 and is close to the piston cavity, so that the front end sealing ring 6 seals and isolates the piston cavity 42.
The afterbody of piston sleeve 8 sets up with piston push rod 11 tight fit's rear end sealing washer 9, piston push rod 11's front end stretches into in sleeve body 81 after passing rear end sealing washer 9, rear end sealing washer 9 is compressed tightly fixedly by with rear end locking nut 10 of rear installation chamber 43 screw-thread fit, rear end locking nut 10's center sets up the rear end locking nut through-hole that is suitable for piston push rod 11 to pass, rear end locking nut 10's outer wall sets up the external screw thread, rear installation chamber 43's inner wall sets up the internal screw thread, rear end locking nut 10 and rear installation chamber 43 screw-thread connection during the assembly, piston push rod 11's tail end stretches out rear end locking nut 10 setting, and piston push rod 11's tail end and the cooperation of peripheral hardware, make piston push rod 11 can remove in piston sleeve 8 and piston push rod 11's tail end can not break away from piston sleeve 8, rear end locking nut 10 can compress tightly rear end sealing washer 9 at spacing ring bench 82's lateral surface after screwing up, seal the clearance between piston push rod 11 and the piston chamber 42 by rear end sealing washer 9.
The piston push rod 11 can be made of stainless steel or enamel, and has smooth surface and difficult deformation. The front end sealing ring 6 and the rear end sealing ring 9 are PEEK sealing rings (namely polyether ether ketone sealing rings) or PTFE sealing rings (namely polytetrafluoroethylene sealing rings), have excellent new performances of sliding wear resistance and fretting wear resistance, can particularly keep high wear resistance and low friction factor at 250 ℃, and avoid influencing the performances of the front end sealing ring 6 and the rear end sealing ring 9 when gutta-percha is heated.
The glue injection assembly comprises a glue injection needle 1 and a piston end cap 3, the piston end cap 3 comprises an end cap body 31, the front end of the end cap body 31 is provided with a glue injection needle connecting cylinder 32 which is suitable for inserting the glue injection needle 1, and after the glue injection needle 1 is inserted into the glue injection needle connecting cylinder 32, the glue injection needle can be fixed in a gluing or crimping mode, so that the glue injection needle 1 is fixedly connected with the piston end cap 3.
The afterbody of end cap body 31 sets up the piston sleeve spliced groove 33 with piston sleeve 8 looks adaptation, piston sleeve spliced groove 33 includes drum segment 35 and arranges the toper section 34 in piston sleeve spliced groove 33 tail end in, the tail end of piston sleeve spliced groove 33 is the tubaeform setting by the setting of toper section 34, be convenient for piston sleeve 8 inserts piston sleeve spliced groove 33, set up annular spacing platform 36 in the drum segment 35, piston end cap 3 is fixed by front end locking nut 2 in front mounting cavity 41, the center of front end locking nut 2 sets up the nut through-hole that is suitable for injecting glue needle connecting tube 31 to pass, the outer wall of front end locking nut 2 sets up the external screw thread, the inner wall of front mounting cavity 41 sets up the internal screw thread, front end locking nut 2 and front mounting cavity 41 threaded connection during the assembly, press piston end cap 3 into front mounting cavity 41 by front end locking nut 2, make piston sleeve 8 insert piston sleeve spliced groove 33, the inner wall of drum segment 35 and the small clearance fit between the outer wall of piston sleeve 8, the front end of piston sleeve 8 and spacing platform 36 butt, injecting glue needle connecting tube 31 and injecting needle 1 pass through the nut through-hole setting. The front end locking nut 2, the piston end cap 3 and the rear end locking nut 10 are plastic pieces.
The application method of the gutta-percha filling instrument comprises the following steps:
A. The front locking nut 2 and the piston end cap 3 are disassembled, and the planned amount of solid gutta-percha 7 is loaded into the piston sleeve from the front end of the gutta-percha filling instrument according to the gutta-percha dosage.
B. The piston end cap 3 is placed in the front mounting cavity 41 such that the front end of the piston sleeve 8 is inserted into the piston sleeve insertion groove 33, and the piston end cap 3 is screwed down such that the front end of the piston sleeve 8 abuts against the stopper 36.
C. the gutta-percha 7 in the piston sleeve 8 is heated to obtain the gutta-percha in a molten state.
D. The piston push rod 11 is driven to move forwards, so that the gutta-percha in the piston sleeve 8 is extruded out of the small hole of the glue injection needle and enters into the root canal until the gutta-percha in the piston sleeve 8 is completely extruded out, and the glue injection is completed.
E. after the glue injection is completed, the piston push rod 11 is reset, the front locking nut 2 is dismounted, and the used piston end cap 3 and the glue injection needle 1 are dismounted.
Example 2
On the basis of example 1, the gutta-percha filling instrument of this example has the following deformations:
As shown in fig. 9, the piston sleeve 8 is tightly matched with the piston cavity 42, the piston cylinder 4 is formed by integrally injection molding polytetrafluoroethylene plastic, after the piston sleeve 8 is inserted into the piston cavity 42, the front end of the piston sleeve 8 is not provided with the front end sealing ring 6, and the tight matching between the piston sleeve 8 and the piston cavity 42 is utilized for sealing.
Example 3
On the basis of example 1, the gutta-percha filling instrument of this example has the following deformations:
As shown in fig. 10, the rear end locking nut 10 is formed by integrally injection molding polytetrafluoroethylene plastic or polyether-ether-ketone plastic, after the piston sleeve 8 is inserted into the piston cavity 42, the rear end locking nut 10 is in threaded connection with the rear mounting cavity 43, the rear end of the piston push rod 11 extends out of the rear end locking nut 10, the rear mounting cavity 43 is not provided with the rear end sealing ring 9, the rear end locking nut 10 is directly pressed on the outer side surface of the limiting ring table 82 after being screwed, and a gap between the piston push rod 11 and the piston cavity 42 is sealed by the rear end locking nut 10. To reduce leakage, the piston sleeve 8 is also in close fit with the piston chamber 42.
It is apparent that the above examples are merely illustrative of the present invention and are not limiting of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which come within the spirit of the invention are desired to be protected.
Claims (2)
1. The utility model provides an easy clean tooth gum filling appearance of maintaining, its characterized in that includes piston cylinder, piston sleeve, piston push rod, injecting glue subassembly, set gradually preceding installation cavity, piston cavity, back installation cavity in the piston cylinder, the piston sleeve includes sleeve body and bulge setting's spacing ring platform, the sleeve body with piston cavity grafting cooperation just the front end of sleeve body stretches into preceding installation cavity, the front end cover of sleeve body is established and is used for keeping apart the front end sealing washer in piston cavity and front end installation cavity, the afterbody of piston sleeve set up with piston push rod closely matched with rear end sealing washer, piston push rod's front end stretches into in the sleeve body, injecting glue subassembly is fixed to be set up piston sleeve's front end, moves piston push rod in order to make the tooth gum in the piston sleeve extrude by injecting glue subassembly after the hot melt during the use;
The glue injection assembly comprises a glue injection needle and a piston end cap, the piston end cap comprises an end cap body, a piston sleeve inserting groove matched with the piston sleeve is formed in the tail of the end cap body, a glue injection needle connecting cylinder suitable for inserting the glue injection needle is arranged at the front end of the end cap body, a nut through hole suitable for the glue injection needle connecting cylinder to penetrate is formed in the center of the front end locking nut, the piston end cap is arranged in the front mounting cavity during assembly, and the front end of the piston sleeve is arranged in the piston sleeve inserting groove;
The limiting ring table is arranged at the tail end of the piston sleeve, the inner diameter of the rear mounting cavity is larger than that of the piston cavity, so that an annular bottom wall is formed between the rear mounting cavity and the piston cavity, and the inner side surface of the limiting ring table is tightly attached to the annular bottom wall during assembly;
The front end sealing ring is arranged in the front mounting cavity and is close to the piston cavity;
The rear end locking nut is in threaded fit with the rear mounting cavity, a rear end locking nut through hole which is suitable for the piston push rod to pass through is arranged in the center of the rear end locking nut, and the rear end locking nut is in threaded connection with the rear mounting cavity during assembly and is used for compressing a rear end sealing ring;
The piston sleeve inserting groove comprises a cylinder section and a conical section arranged at the tail end of the piston sleeve inserting groove, so that the tail end of the piston sleeve inserting groove is arranged in a horn shape, and the inner wall of the cylinder section is in small clearance fit with the outer wall of the piston sleeve during assembly;
an annular limiting table is arranged in the cylinder section, and the front end of the piston sleeve is abutted against the limiting table during assembly;
the front end sealing ring and the rear end sealing ring are PEEK sealing rings or PTFE sealing rings.
2. The easy-to-clean gutta-percha filling instrument according to claim 1, wherein said piston sleeve is a stainless steel sleeve and said piston push rod is a stainless steel push rod or a ceramic push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605622.1A CN109394354B (en) | 2018-12-26 | 2018-12-26 | Tooth gel filling instrument easy to clean and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605622.1A CN109394354B (en) | 2018-12-26 | 2018-12-26 | Tooth gel filling instrument easy to clean and maintain |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109394354A CN109394354A (en) | 2019-03-01 |
| CN109394354B true CN109394354B (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811605622.1A Active CN109394354B (en) | 2018-12-26 | 2018-12-26 | Tooth gel filling instrument easy to clean and maintain |
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| Country | Link |
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| CN (1) | CN109394354B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109953833B (en) * | 2019-04-01 | 2024-06-25 | 常州赛乐医疗技术有限公司 | Gutta-percha filling instrument for conical surface sealing gutta-percha |
| CN114732543A (en) * | 2022-04-02 | 2022-07-12 | 桂林市啄木鸟医疗器械有限公司 | Glue injection control system and method and hot-melt gutta-percha filling machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208274636U (en) * | 2018-01-08 | 2018-12-25 | 长沙得悦科技发展有限公司 | A kind of gutta-percha heating of heated gutta-percha filling gun and device for filling |
| CN209301351U (en) * | 2018-12-26 | 2019-08-27 | 常州赛乐医疗技术有限公司 | A kind of gutta-percha filling instrument of maintenance easy to clean |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265618A (en) * | 1977-09-09 | 1981-05-05 | Solar Energy Technology, Inc. | Electrically heated endodontic syringe for injecting thermoplastic material into a root canal cavity |
| CN106377434B (en) * | 2016-11-18 | 2019-06-11 | 莫总鸣 | The manufacturing method of canalis radicis dentis filling point |
| CN206687781U (en) * | 2016-12-29 | 2017-12-01 | 长沙得悦科技发展有限公司 | A kind of glue-leakage-resistant gutta-percha filling gun |
| FR3063885A1 (en) * | 2017-03-16 | 2018-09-21 | Eurobytech | DEVICE FOR DAMPING VIBRATION ON A DENTAL TURBINE HEAD |
| CN208259779U (en) * | 2018-10-30 | 2018-12-21 | 长沙得悦科技发展有限公司 | A kind of piston in combination mode |
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2018
- 2018-12-26 CN CN201811605622.1A patent/CN109394354B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208274636U (en) * | 2018-01-08 | 2018-12-25 | 长沙得悦科技发展有限公司 | A kind of gutta-percha heating of heated gutta-percha filling gun and device for filling |
| CN209301351U (en) * | 2018-12-26 | 2019-08-27 | 常州赛乐医疗技术有限公司 | A kind of gutta-percha filling instrument of maintenance easy to clean |
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| CN109394354A (en) | 2019-03-01 |
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