CN204863515U - Modular broken instruments remove device in root canal - Google Patents
Modular broken instruments remove device in root canal Download PDFInfo
- Publication number
- CN204863515U CN204863515U CN201520657982.1U CN201520657982U CN204863515U CN 204863515 U CN204863515 U CN 204863515U CN 201520657982 U CN201520657982 U CN 201520657982U CN 204863515 U CN204863515 U CN 204863515U
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- inner core
- syringe needle
- holding rod
- hollow holding
- fracture
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Abstract
The utility model discloses a modular broken instruments remove device in root canal relates to dentistry medical instrument field, the utility model discloses hollow handheld pole, hollow handheld pole lower extreme be connected with the syringe needle connecting seat, be equipped with the syringe needle sleeve pipe on the syringe needle connecting seat, hollow handheld pole in be provided with the inner core subassembly, hollow handheld pole outside be provided with the boosting slider that makes inner core subassembly reciprocating motion, the inner core subassembly is including setting up the inner core fixing base in hollow handheld pole, the inner core fixing base is fixed and is provided with the inner core, the inner core to extend to syringe needle cover through the syringe needle connecting seat intraductal, the inner core can overlap move within the barrel at the syringe needle, the utility model has the advantages of compact structure, stability is strong, the planner sexualization, convenient to use is laborsaving, can use in the under a microscope direct -view, can regard as the MTA biomaterial conveyer simultaneously, draws that the damaged on end is bad can locally be replaced.
Description
Technical field
This utility model relates to type medical instrument for dental use field, relates to fracture in a kind of combination type root pipe apparatus withdrawing device more specifically.
Background technology
The most effective method of dental pulp disease and periapical disease is treated in root canal at present, and root canal treatments has developed into and comprises rich content, enriches a whole set of full theoretical system that is theoretical and accurate operation technology.Root canal effectively reduces the microorganism in root pipe by mechanical-chemical preparation, and by three-dimensional filling, thus effectively promote the healing of periapical lesion.Its therapeutic process comprises root canal preparation, root canal disinfection and root-canal filling.Wherein the quality of root canal preparation is the key factor determining root canal success or not.Governance is treated and is particularly used multiple apparatus in root canal preparation, and as NiTi apparatus, barbed broach, Nickel-titanium stainless file, reamer etc., these apparatuses all fracture may occur in endodontic procedure.Once this thing happens to root canal, cause extreme difficulties.First the apparatus fractureed in Yu Genguan will take out by this kind of case of current process, and then carries out perfect root canal.The taking-up of apparatus of fractureing is a job very consuming time, and success rate is not high, has danger root canal wall side occurring and wears.
General step first uses root pipe ring to bore to remove a small amount of dentin around apparatus that the fractures apparatus that can make to fracture to loosen, then adopt in root pipe the apparatus withdrawing device that fractures to take out in root pipe the apparatus that fractures.
Fracture in existing gear division root pipe apparatus withdrawing device poor stability in foreign body leaching process, cannot straightforward manipulation under the microscope, and the extraction end diameter of the apparatus withdrawing device that fractures in root pipe is little, intensity is low, easy fatigue damage after using a period of time, cause using, the apparatus withdrawing device that fractures in existing gear division root pipe is mostly overall structure, once it is bad to extract damaged on end, entirety is just needed to replace but not only replace the extraction section of foreign body extractor, add cost, therefore it is simple to design a kind of structure, foreign body extracts in the removable combination type root pipe of end the apparatus withdrawing device that fractures has realistic meaning very much.
Utility model content
This utility model, in order to overcome above-mentioned technical deficiency, provides in the strong and dismountable combination type root pipe of a kind of compact conformation, handled easily, stability the apparatus withdrawing device that fractures.
This utility model to achieve these goals concrete by the following technical solutions:
Fracture in a kind of combination type root pipe apparatus withdrawing device, comprise hollow holding rod, described hollow holding rod lower end is connected with syringe needle Connection Block, syringe needle Connection Block is provided with needle sleeve, its components is provided with in described hollow holding rod, described hollow holding rod outer setting makes the reciprocating boosting slide block of its components, its components comprises the inner core holder be arranged in hollow holding rod, inner core holder is fixedly installed inner core, described inner core extends in needle sleeve by syringe needle Connection Block, and described inner core can at pinhead sleeve in-pipe.
Further, described syringe needle Connection Block and needle sleeve are that dismountable is connected.
Further, described needle sleeve comprises the sleeve pipe and joint that link into an integrated entity, and described syringe needle Connection Block is arranged with the protective cover preventing joint looseness.
Described sleeve pipe and the diameter of inner core match.The internal diameter of described sleeve pipe has multiple specification, and the inner core diameter of corresponding its components also has multiple specification.Suitable needle sleeve and its components is chosen according to the diameter of the apparatus broken ends of fractured bone.
Further, be provided with boosting bar in hollow holding rod, boosting bar is drawn from hollow holding rod upper end, and described boosting bar upper end is provided with rotary handle.
Further, the end of needle sleeve is provided with oval window, described inner core comprises stiff end and guiding oblique section end, and when extracting foreign body, the guiding oblique section end of inner core coordinates with oval window and extracts foreign body.
Further, described hollow holding rod is provided with bar shaped spacing hole, described inner core holder arranges spacing screwed hole, described boosting slide block is provided with stop screw, stop screw is coordinated with spacing screwed hole by bar shaped spacing hole, stop screw and bar shaped spacing hole matched in clearance, the gap produced when the axial length of described bar shaped spacing hole coordinates with stop screw is 2 ~ 6mm.
Further, described inner core holder end face center is provided with spliced eye vertically, and inner core holder radial direction is provided with collet threaded hole, is provided with hold-down bolt in described collet threaded hole, the stiff end of described inner core axially inserts in spliced eye, then is compressed locked by hold-down bolt.
Further, described hollow holding rod is connected by threaded engagement with syringe needle Connection Block, and described hollow holding rod is connected by threaded engagement with boosting bar, described boosting bar and its components with the use of.
Operation principle:
During work, assemble each parts, with boosting slide block on the hollow holding rod of hand propelled, boosting slide block drives its components, its components can be made to reciprocate in the scope of the axial length of bar shaped spacing hole, thus drive inner core to reciprocate at needle sleeve, realize the extraction of the foreign bodies such as the interior disconnected apparatus of tooth; When the foreign bodies such as disconnected apparatus ratio in tooth is tight, need larger chucking power just can extract, depend merely on hand propelled boosting slide block, very effort and also stability poor, not easily the foreign bodies such as disconnected apparatus are extracted, at this moment need the rotary handle rotating boosting bar upper end, boosting bar compresses its components, thus inner core is compressed the foreign bodies such as disconnected apparatus, thus extract the foreign bodies such as disconnected apparatus.
The beneficial effects of the utility model are as follows:
1, this utility model structure is simple, easy to use, when needle sleeve and inner core in use for some time, when fatigue damage causes using, directly locally can replace needle sleeve, other parts can continue to use, need not overallly replace, this knockdown mechanism reduces cost, and all dismountable assembling parts of each parts of this equipment forms, other damage of components, can replace separately equally and replace without the need to entirety, further saving cost; Easy to operate when boosting slide block uses, axially promote reasonable in design, hommization.Syringe needle can adopt the pre-bending of pre-bending device simultaneously, is convenient to straightforward manipulation under the microscope.
2, when the foreign bodies such as disconnected apparatus ratio in tooth is tight, need larger chucking power just can extract, depend merely on hand propelled boosting slide block, very effort and also stability poor, not easily the foreign bodies such as disconnected apparatus are extracted, at this moment need to rotate the rotary handle of boosting bar upper end, boosting bar compresses its components, thus inner core is compressed the foreign bodies such as disconnected apparatus, thus extract the foreign bodies such as disconnected apparatus, the design of boosting bar adds the stability of this equipment; The needle sleeve and its components extracting foreign body can be replaced to the syringe needle and its components that can carry MTA, realize the multiplex of equipment.
3, needle sleeve is provided with oval window away from the end of syringe needle Connection Block side, guiding oblique section and the oval window of described inner core are oppositely arranged, the setting of this structure makes the foreign bodies such as disconnected apparatus go out from the oval window of needle sleeve under the guiding of guiding oblique section, make the foreign bodies such as disconnected apparatus press tighter at needle sleeve, thus improve the taking-up success rate resolving the foreign bodies such as apparatus.
Accompanying drawing explanation
Fig. 1 be fracture in a kind of combination type root of this utility model pipe apparatus withdrawing device do not use booster time structural representation;
Structural representation when Fig. 2 is this utility model use booster;
Fig. 3 is the structural representation of this utility model protective cover useless;
Fig. 4 is the structural representation of boosting bar;
Fig. 5 is the structural scheme of mechanism of hollow holding rod;
Fig. 6 is its components structural representation;
Fig. 7 is the structural representation of syringe needle Connection Block;
Fig. 8 is the structural representation of needle sleeve;
Structural representation when Fig. 9 is utility model works;
Figure 10 is the partial structurtes schematic diagram of Fig. 7;
Reference numeral: 1-needle sleeve, 1-1 sleeve pipe-, the oval window of 1-1.1-; 1-2-joint, 2-syringe needle Connection Block, 3-its components; 3-1-inner core, 3-1.1-leads oblique section, 3-1.2-stiff end; 3-2-inner core holder; 3-2.1-collet threaded hole, the spacing screwed hole of 3-2.2-, 3-2.3-spliced eye; 3-3-hold-down bolt; 4-boosting slide block, 4-1-stop screw, the hollow holding rod of 5-; 5-2-bar shaped spacing hole; 6-boosting bar, 6-1-rotary handle, 7-protective cover; 8-equipment upper end, 9-equipment lower end.
Detailed description of the invention
In order to those skilled in the art person better understands this utility model, below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 3, the present embodiment provides in a kind of combination type root pipe the apparatus withdrawing device that fractures, comprise hollow holding rod 5, described hollow holding rod 5 lower end is connected with syringe needle Connection Block 2, syringe needle Connection Block 2 is provided with needle sleeve 1, its components 3 is provided with in described hollow holding rod 5, described hollow holding rod 5 outer setting makes the reciprocating boosting slide block 4 of its components 3, its components 3 comprises the inner core holder 3-2 be arranged in hollow holding rod 5, inner core holder 3-2 is fixedly installed inner core 3-1, described inner core 3-1 is extended in needle sleeve 1 by syringe needle Connection Block 2.Described inner core 3-1 can move in needle sleeve 1, described syringe needle Connection Block 2 with needle sleeve 1 for dismountable is connected.
In the present embodiment, with boosting slide block 4 on the hollow holding rod 5 of hand propelled, boosting slide block 4 drives its components 3, its components 4 can be made to reciprocate in the scope of the axial width of bar shaped spacing hole 5-2, thus drive inner core 3-1 to reciprocate at needle sleeve 1, realize the extraction of the foreign bodies such as the interior disconnected apparatus of tooth, when needle sleeve 1 in use for some time, when fatigue damage causes using, directly can locally replace needle sleeve 1, other parts can continue use and need not overallly replace, this knockdown mechanism reduces cost, each parts of this equipment are all dismountable to be assembled, other damage of components, can replace separately and replace without the need to entirety equally, further save cost.
Embodiment 2
As shown in Fig. 1 to 8, the present embodiment provides in a kind of combination type root pipe the apparatus withdrawing device that fractures, comprise hollow holding rod 5, described hollow holding rod 5 lower end is connected with syringe needle Connection Block 2, syringe needle Connection Block 2 is provided with needle sleeve 1, its components 3 is provided with in described hollow holding rod 5, described hollow holding rod 5 outer setting makes the reciprocating boosting slide block 4 of its components 3, its components 3 comprises the inner core holder 3-2 be arranged in hollow holding rod 5, inner core holder 3-2 is fixedly installed inner core 3-1, described inner core 3-1 is extended in needle sleeve 1 by syringe needle Connection Block 2.Described inner core 3-1 can move in needle sleeve 1.
Be provided with boosting bar 6 in described hollow holding rod 5, boosting bar 6 is drawn from hollow holding rod 5 upper end, and described boosting bar 6 upper end is provided with rotary handle 6-1.
The end of described needle sleeve 1 is provided with oval window 1-1.1, and described inner core 3-1 comprises stiff end 3-1.2 and guiding oblique section end 3-1.1.
Described hollow holding rod 5 is provided with bar shaped spacing hole 5-2, described inner core holder 3-2 arranges spacing screwed hole 3-2.2, described boosting slide block 4 is provided with stop screw 4-1, stop screw 4-1 is coordinated with spacing screwed hole 3-2.2 by bar shaped spacing hole 5-2, described stop screw 4-1 and bar shaped spacing hole 5-2 matched in clearance, the gap produced when the axial length of described bar shaped spacing hole coordinates with stop screw is 2 ~ 6mm.
In the present embodiment, when the foreign bodies such as disconnected apparatus ratio in tooth is tight, need larger chucking power just can extract, depend merely on hand propelled boosting slide block 4, very effort and also stability poor, not easily the foreign bodies such as disconnected apparatus are extracted, at this moment need the rotary handle 6-1 rotating boosting bar 6 upper end, boosting bar 6 compresses its components 3, thus inner core is compressed the foreign bodies such as disconnected apparatus, thus extract the foreign bodies such as disconnected apparatus, the design of boosting bar 6 adds the stability of this equipment; The needle sleeve 1 and its components 3 extracting foreign body can be replaced to the syringe needle and its components that can send to medicine, realize the multiplex of equipment.
Embodiment 3
As shown in Fig. 1 to 8, the present embodiment provides in a kind of combination type root pipe the apparatus withdrawing device that fractures, comprise hollow holding rod 5, described hollow holding rod 5 lower end is connected with syringe needle Connection Block 2, syringe needle Connection Block 2 is provided with needle sleeve 1, its components 3 is provided with in described hollow holding rod 5, described hollow holding rod 5 outer setting makes the reciprocating boosting slide block 4 of its components 3, its components 3 comprises the inner core holder 3-2 be arranged in hollow holding rod 5, inner core holder 3-2 is fixedly installed inner core 3-1, described inner core 3-1 is extended in needle sleeve 1 by syringe needle Connection Block 2.Described inner core 3-1 can move in needle sleeve 1.Described syringe needle Connection Block 2 with needle sleeve 1 for dismountable is connected.
Described inner core holder 3-2 end face center is provided with spliced eye 3-2.3 vertically, inner core holder 3-2 radial direction is provided with collet threaded hole 3-2.1, hold-down bolt 3-3 is provided with in described collet threaded hole 3-2.1, the stiff end 3.12 of described inner core 3-1 axially inserts in spliced eye 3-2.3, then compresses locked by hold-down bolt 3-3.Convenient manufacture, assembling being set and dismantling of this structure, practical.
Embodiment 4
As shown in figures 1-8, the present embodiment be any embodiment of embodiment 1 to 3 basis on done further improvement, specifically:
Described hollow holding rod 5 is connected by threaded engagement with syringe needle Connection Block 2, and described hollow holding rod 5 is connected by threaded engagement with boosting bar 6, described boosting bar 6 and its components 3 with the use of, the form be threaded facilitates processing and manufacturing and dismounting.
Described needle sleeve 1 comprises the sleeve pipe 1-1 and joint 1-2 that link into an integrated entity; described syringe needle Connection Block 2 is arranged with the protective cover 7 preventing joint 1-2 from loosening; arranging of protective cover can make equipment good looking appearance and the loosening landing of placing needle sleeve, and the diameter of sleeve pipe 1-1 and inner core 3-1 matches.The internal diameter of described sleeve pipe 1-1 has multiple specification, and the inner core diameter of corresponding its components 3 also has multiple specification.Suitable needle sleeve 1 and its components 3 is chosen according to the diameter of the apparatus broken ends of fractured bone.
On described hollow holding rod 5, boosting slide block 4 both sides are provided with two symmetrical anti-slip positioning platform 5-4.
The above; be only preferred embodiment of the present utility model; not in order to limit this utility model; scope of patent protection of the present utility model is as the criterion with claims; the equivalent structure change that every utilization description of the present utility model and accompanying drawing content are done, in like manner all should be included in protection domain of the present utility model.
Claims (8)
1. fracture in a combination type root pipe apparatus withdrawing device, it is characterized in that, comprise hollow holding rod (5), hollow holding rod (5) lower end is connected with syringe needle Connection Block (2), syringe needle Connection Block (2) is provided with needle sleeve (1), its components (3) is provided with in described hollow holding rod (5), its components (3) comprises the inner core holder (3-2) be arranged in hollow holding rod (5), inner core holder (3-2) is fixedly installed inner core (3-1), described inner core (3-1) extends in needle sleeve (1) by syringe needle Connection Block (2), described hollow holding rod (5) outer setting makes the reciprocating boosting slide block (4) of its components (3).
2. fracture in combination type root pipe according to claim 1 apparatus withdrawing device, it is characterized in that: described syringe needle Connection Block (2) with needle sleeve (1) for dismountable is connected.
3. fracture in combination type root pipe according to claim 1 apparatus withdrawing device; it is characterized in that; described needle sleeve (1) comprises the sleeve pipe (1-1) and joint (1-2) that link into an integrated entity, and described syringe needle Connection Block (2) is arranged with the protective cover (7) preventing joint (1-2) loosening.
4. fracture in combination type root pipe according to claim 1 apparatus withdrawing device, it is characterized in that: in hollow holding rod (5), be provided with boosting bar (6), boosting bar (6) is drawn from hollow holding rod (5) upper end, and described boosting bar (6) upper end is provided with rotary handle (6-1).
5. fracture in combination type root pipe according to claim 1 apparatus withdrawing device, it is characterized in that, the end of needle sleeve (1) is provided with oval window (1-1.1), described inner core (3-1) comprises stiff end (3-1.2) and guiding oblique section end (3-1.1).
6. fracture in combination type root pipe according to claim 1 apparatus withdrawing device, it is characterized in that, described hollow holding rod (5) is provided with bar shaped spacing hole (5-2), described inner core holder (3-2) arranges spacing screwed hole (3-2.2), described boosting slide block (4) is provided with stop screw (4-1), stop screw (4-1) is coordinated with spacing screwed hole (3-2.2) by bar shaped spacing hole (5-2), described stop screw (4-1) and bar shaped spacing hole (5-2) matched in clearance.
7. fracture in combination type root pipe according to claim 1 apparatus withdrawing device, it is characterized in that, described inner core holder (3-2) end face center is provided with spliced eye (3-2.3) vertically, inner core holder (3-2) radial direction is provided with collet threaded hole (3-2.1), hold-down bolt (3-3) is provided with in described collet threaded hole (3-2.1), the stiff end (3.12) of described inner core (3-1) axially inserts in spliced eye (3-2.3), then compresses locked by hold-down bolt (3-3).
8. fracture in combination type root pipe according to claim 4 apparatus withdrawing device, it is characterized in that, described hollow holding rod (5) is connected by threaded engagement with syringe needle Connection Block (2), described hollow holding rod (5) is connected by threaded engagement with boosting bar (6), described boosting bar (6) and its components (3) with the use of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657982.1U CN204863515U (en) | 2015-08-28 | 2015-08-28 | Modular broken instruments remove device in root canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520657982.1U CN204863515U (en) | 2015-08-28 | 2015-08-28 | Modular broken instruments remove device in root canal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204863515U true CN204863515U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520657982.1U Expired - Fee Related CN204863515U (en) | 2015-08-28 | 2015-08-28 | Modular broken instruments remove device in root canal |
Country Status (1)
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| CN (1) | CN204863515U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167866A (en) * | 2015-08-28 | 2015-12-23 | 成都普瑞幂尔医疗咨询有限公司 | Combined interacanal fractured instrument extracting device |
| US10813719B1 (en) | 2017-06-07 | 2020-10-27 | Sherif Radwan | Method and extraction device for removal of broken root canal file fragment |
| CN115105230A (en) * | 2022-07-06 | 2022-09-27 | 四川大学 | Combined lantern ring system for taking out broken instrument in root canal |
-
2015
- 2015-08-28 CN CN201520657982.1U patent/CN204863515U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167866A (en) * | 2015-08-28 | 2015-12-23 | 成都普瑞幂尔医疗咨询有限公司 | Combined interacanal fractured instrument extracting device |
| CN105167866B (en) * | 2015-08-28 | 2017-10-17 | 成都普瑞幂尔医疗咨询有限公司 | Fracture apparatus withdrawing device in a kind of combined type root pipe |
| US10813719B1 (en) | 2017-06-07 | 2020-10-27 | Sherif Radwan | Method and extraction device for removal of broken root canal file fragment |
| CN115105230A (en) * | 2022-07-06 | 2022-09-27 | 四川大学 | Combined lantern ring system for taking out broken instrument in root canal |
| CN115105230B (en) * | 2022-07-06 | 2023-11-03 | 四川大学 | Combined lantern ring system for taking out root canal internal fracture instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |