CN115887049A - Retractor for operation of extracting impacted teeth in oral and maxillofacial surgery and use method thereof - Google Patents
Retractor for operation of extracting impacted teeth in oral and maxillofacial surgery and use method thereof Download PDFInfo
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- CN115887049A CN115887049A CN202211495381.6A CN202211495381A CN115887049A CN 115887049 A CN115887049 A CN 115887049A CN 202211495381 A CN202211495381 A CN 202211495381A CN 115887049 A CN115887049 A CN 115887049A
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Abstract
The invention discloses a surgical retractor for pulling out impacted teeth in oral and maxillofacial surgery and a use method thereof, belonging to the technical field of medical instruments in oral and maxillofacial surgery.
Description
Technical Field
The invention relates to the technical field of medical instruments for oral and maxillofacial surgery, in particular to a retractor for a surgical operation of extracting impacted teeth in oral and maxillofacial surgery and a using method thereof.
Background
The term "impacted tooth" refers to a tooth that partially or completely fails to erupt due to various reasons and that does not erupt normally in the future. If the impacted tooth can not be removed in time, a series of influences can be caused, such as: crowding and disorganization of the dentition, damage to the adjacent teeth of the impacted teeth, and pericoronitis of the wisdom teeth. Some patients also have pain and inflammation, tooth loosening, jaw osteomyelitis and other symptoms, and in severe cases, the symptoms of cheek swelling, mouth opening difficulty and the like can be caused, and the patients need to be pulled out as soon as possible.
In the clinical impacted tooth extraction of oral maxillofacial surgery, especially in the complicated impacted tooth extraction operation that needs to turn over lamella and remove bone operation, in order to obtain clear operation field of vision, it is essential to turn over lamella operation drag hook.
Based on the above, the present inventors found that: when the shell operation of adopting conventional shell operation structure to carry out oral cavity maxillofacial is performed, if can not play traction tissue skin flap well, pull open and expose the operation field of vision, all brought a great deal of inconvenience for operation medical personnel and patient like this to the edge of the shell operation drag hook commonly used is comparatively sharp, often leads to patient's unnecessary pain and discomfort in the art because of oppression gum tissue, has influenced the efficiency that the operation was pulled out to the department of stomatolmaxillofacial surgery hinders the tooth to a certain extent.
Therefore, in view of the above, research and improvement are made on the existing structure, and a retractor for the impacted tooth extraction operation in the oral and maxillofacial surgery and a using method thereof are provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a surgical retractor for pulling out the impacted teeth in the oral and maxillofacial surgery and a using method thereof, which can pull and push the soft tissue valve in the oral cavity, so that the medical staff can fully pull out the visual field of the operation with small force, the operation convenience in the operation process is improved, the efficiency of the impacted tooth pulling-out operation can be improved, and meanwhile, the edge of the surgical retractor is provided with a round shape, so that the unnecessary pain and discomfort of a patient in the operation caused by the compression of gum tissues can be effectively avoided.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a be used for department of oral cavity maxillofacial surgery to hinder tooth and pull out operation drag hook, including integrated into one piece fashioned angle hook, drag hook inflection portion and handle portion, angle hook fixed connection is in the one end of drag hook inflection portion, handle portion fixed connection is in the other end of drag hook inflection portion, the one end fixedly connected with cheek mucosa hook portion of drag hook inflection portion is kept away from to the angle hook, cheek mucosa hook portion's one end fixedly connected with cheek gum drag hook portion, just one side surface of cheek mucosa hook portion inlays and is equipped with reflection of light mirror surface, the one end fixedly connected with handle backplate of drag hook inflection portion is kept away from to handle portion, just one side fixed surface of handle portion is equipped with anti-skidding line.
Further, cheek gum draw hook portion, cheek mucosa hook portion, mouth horn hook, drag hook inflection portion, handle portion and handle backplate all adopt 304 stainless steel to make, just cheek gum draw hook portion, cheek mucosa hook portion, mouth horn hook, drag hook inflection portion, handle portion and handle backplate are the integrated forging shaping and adopt the blunt excessive connection of circle, and wholly present S type structure.
Further, the whole length of cheek gum draw hook portion is 1.5cm, and the working end width is 3mm to be 45 angular distributions with cheek mucosa hook portion, the whole length of cheek mucosa hook portion is 4cm, and the width is 2cm, the length of mouth corner hook is 4cm, and is 120 angular distributions with cheek mucosa hook portion, the whole length of handle portion is 6cm, and is 150 angular distributions with drag hook inflection portion, the whole length of handle backplate is 2.5cm, and is 130 angle backbends with the handle portion and distributes.
Furthermore, the buccal gum hook part is a small triangle-shaped bent blade structure fixed at the tail end of the buccal mucosa hook part 2.
Further, the reflecting mirror surface is formed by carrying out metal chromium plating polishing surface treatment on the hook part of the buccal mucosa.
Further, the side edges of the buccal mucosa hook are curled to form a round blunt edge structure.
Furthermore, one end of the buccal mucosa hook part close to the buccal gum pull hook part is narrowed to form a triangular structure and is connected with the buccal gum pull hook part.
Furthermore, the anti-skid lines are anti-skid diamond lines arranged on the handle part.
A use method of a retractor for an operation of extracting impacted teeth in oral and maxillofacial surgery comprises the following specific steps;
step S1: finding out the oral cavity part of the patient needing the operation of extracting the impacted teeth;
step S2: the handle part is tightly held, the hand part is kept to be tightly attached to the anti-skid lines, the buccal mucosa hook part of the buccal gum hook part of the surgical hook is inserted into the oral cavity, and the oral horn hook is tightly attached to the oral angle;
and step S3: the buccal mucosa hook part is tightly attached to the oral cavity, lips and cheek soft tissues, meanwhile, the reflecting mirror surface is ensured not to be contacted with the oral cavity, lips and cheek soft tissues, and the buccal gum hook part at the tail end of the buccal mucosa hook part is used for fixing and pulling the tissue flap;
and step S4: the handle part is shifted to expose the anti-growth teeth to the visual field of the medical worker;
step S5: adjusting the position of the handle part, further synchronously controlling the positions of the gum buccal hook part, the gum buccal hook part and the gum buccal hook part, performing an operation, and observing the operation process by using the reflecting mirror surface;
step S6: and (5) finishing the operation and taking out the surgical retractor.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the operation retractor for pulling out the impacted tooth in the oral and maxillofacial surgery has the functions of pulling and pushing and pulling the oral soft tissue flap, and meanwhile, the function of fixing and pulling the tissue flap can be realized at the cheek and gum pulling hook part at the tail end of the cheek and mucosa pulling hook.
(2) This scheme, the operation drag hook that uses carries out the in-process at the operation, and the ability of specific better operation and fixed tissue lamella, the edge of operation drag hook simultaneously sets up round blunt shape, can effectively avoid oppression gum tissue to lead to patient's in the art unnecessary painful and uncomfortable condition to take place, and when using, but cheek mucosa hook portion's mirror surface structure reflection of light makes the field of vision brighter clear in the art, improves treatment effeciency, makes whole operation drag hook use convenient high-efficient.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the non-contact mucosal surface of the surgical retractor of the present invention;
fig. 3 is a schematic flow chart of the operation process of the surgical retractor.
The reference numbers in the figures illustrate:
1. a gum hook portion; 2. a buccal mucosal hook; 3. a mouth corner hook; 4. a retractor reflexed portion; 5. a handle portion; 6. a handle guard plate; 7. a reflective mirror surface; 8. and (4) anti-skid lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
Example 1:
referring to fig. 1-3, a hook for oral and maxillofacial surgery anti-hair tooth extraction surgery comprises an integrally formed hook 3, a hook inflection portion 4 and a handle portion 5, wherein the hook 3 is fixedly connected to one end of the hook inflection portion 4, the handle portion 5 is fixedly connected to the other end of the hook inflection portion 4, one end of the hook 3, which is far away from the hook inflection portion 4, is fixedly connected with a buccal mucosa hook portion 2, one end of the buccal mucosa hook portion 2 is fixedly connected with a buccal gingiva hook portion 1, a reflective mirror surface 7 is embedded on one side surface of the buccal mucosa hook portion 2, one end of the handle portion 5, which is far away from the hook inflection portion 4, is fixedly connected with a handle guard plate 6, and an anti-skid grain 8 is fixedly arranged on one side surface of the handle portion 5;
before carrying out the operation of oral cavity maxillofacial surgery hindering the living tooth to pull out, hold handle portion 5, inside exploring the oral cavity with the one end of tang hook 3, handle backplate 6 is outside the oral cavity this moment, can form the blunt face of handle portion 5, play certain guard action, anti-skidding line 8 on the handle backplate 6 can play skid-proof effect holding handle portion 5 tightly, when carrying out the operation of oral cavity maxillofacial surgery hindering the living tooth to pull out, drag hook inflection portion 4 pastes tightly with oral cavity lip department, and play the effect of tractive mouth angle, then utilize 2 terminal buccal gum draw hook portion 1 of buccal mucosa hook portion to fix with pull the tissue flap, and can guarantee the stability when the tissue flap is fixed, can make medical personnel use just fully to pull open patient's oral cavity field of vision this moment, simultaneously, reflection of light mirror surface 7 reflectable light on the hook portion 2 of buccal mucosa hook portion, make hinder the operation and pull out the field of vision brighter in the operation, and then improve the convenient effect when operation drag hook uses, and then improve the efficiency of hindering the living tooth to pull out.
Example 2
Based on the above example 1, further discussion is made:
referring to fig. 1 and 2, the buccal gingival pull hook portion 1, the buccal mucosa hook portion 2, the buccal horn hook 3, the hook inflection portion 4, the handle portion 5 and the handle guard plate 6 are all made of 304 stainless steel, and the buccal gingival pull hook portion 1, the buccal mucosa hook portion 2, the buccal horn hook 3, the hook inflection portion 4, the handle portion 5 and the handle guard plate 6 are integrally formed by forging and are connected by rounding and transition, and are integrally in an S-shaped structure;
the biocompatibility of 304 stainless steel' S component is good, high temperature resistance is good, can disappear high temperature and high pressure disinfection repeatedly and use, can avoid appearing the condition of corrosion simultaneously, accomplish after the disinfection and when hindering the operation of taking out of the living tooth and removing, can effectively avoid appearing the condition of oral cavity postoperative infection, the structure of the fashioned operation drag hook of integrative forging simultaneously, can guarantee the stability of whole operation drag hook when using, and the structure of S type can make things convenient for the operation drag hook to visit intracavitary inside, improve the convenient effect of operation drag hook.
Referring to fig. 1 and 2, the buccal gum hook part 1 has an overall length of 1.5cm, a working end width of 3mm and is distributed at an angle of 45 ° with the buccal mucosa hook part 2, the buccal mucosa hook part 2 has an overall length of 4cm and a width of 2cm, the buccal mucosa hook part 3 has a length of 4cm and is distributed at an angle of 120 ° with the buccal mucosa hook part 2, the handle part 5 has an overall length of 6cm and is distributed at an angle of 150 ° with the retractor inflection part 4, and the handle guard plate 6 has an overall length of 2.5cm and is distributed at an angle of 130 ° with the handle part 5;
cheek gum drag hook portion 1, cheek mucosa hook portion 2 and the specification of canthus hook 3 in the accurate control operation drag hook, guarantee that these structures have sufficient operating length in oral cavity inside, avoid these structural length overlengths to cause the damage to the oral cavity simultaneously, then the specification of drag hook inflection portion 4, handle portion 5 and handle backplate 6 in the accurate control operation drag hook, guarantee in the outside these structures in oral cavity in operation with the collision of patient's cheek, guarantee the operation effect of whole operation drag hook.
Referring to fig. 1 and 2, the gum buccal hook 1 is a small triangular bent blade structure fixed at the end of the gum buccal hook 2;
the triangular bent small edge structure of the gum hook part 1 can pull and fix a tissue valve in an operation, so that the tissue valve is prevented from slipping, and the operation visual field is fully exposed.
Referring to fig. 1 and 2, the reflector 7 is formed by performing chrome plating polishing surface treatment on the buccal mucosa hook 2;
in the clinical operation, the surgical lamp light can be reflected, so that the visual field is clearer and brighter, and the operation efficiency is improved.
Referring to fig. 1 and 2, the side edge of the buccal mucosa hook 2 is curled to form a rounded blunt edge structure;
the round blunt edge structure can avoid sharp edges from appearing on the part of the surgical retractor positioned in the oral cavity, and the protection of the impacted tooth pulling-out surgery on the oral cavity tissue is realized.
Referring to fig. 1 and 2, one end of the buccal mucosa hook part 2 close to the buccal gingival hook part 1 narrows to present a triangular structure, and is connected with the buccal gingival hook part 1;
the narrowed triangular structure can reduce the contact between the hook part 2 of the buccal mucosa and oral tissue, thereby further reducing the possible damage to the oral cavity.
Referring to fig. 1 and 2, the anti-slip pattern 8 is an anti-slip diamond pattern provided on the handle portion 5;
the stability of the handle portion 5 when held by hand is enhanced by the anti-slip lines 8 of the anti-slip diamond lines.
Example 3
Based on the above examples 1 and 2, further discussion is made:
referring to fig. 3, a method for using the retractor for the operation of extracting the impacted teeth in the oral and maxillofacial surgery comprises the following specific steps;
step S1: finding out the oral cavity part of the patient needing the operation of extracting the impacted teeth;
step S2: the handle part is held tightly, the hand is kept to be attached to the anti-skid grains, the buccal mucosa hook part of the buccal and gingival hook part of the surgical drag hook is explored into the oral cavity, and the hook at the mouth corner is attached to the mouth corner;
and step S3: the buccal mucosa hook part is tightly attached to the oral cavity, lips and cheek soft tissues, meanwhile, the reflecting mirror surface is ensured not to be contacted with the oral cavity, lips and cheek soft tissues, and the buccal gum hook part at the tail end of the buccal mucosa hook part is used for fixing and pulling the tissue flap;
and step S4: the handle part is shifted to expose the anti-growth teeth to the visual field of the medical worker;
step S5: adjusting the position of the handle part, further synchronously controlling the positions of the gum buccal hook part, the gum buccal hook part and the gum buccal hook part, performing an operation, and observing the operation process by using the reflecting mirror surface;
step S6: and (5) finishing the operation and taking out the surgical retractor.
When in use:
firstly, finding out the oral cavity part of a patient needing the operation of extracting the impacted tooth, and then probing into the oral cavity of the patient by using the operation retractor, specifically comprising the following steps: the handle part 5 is tightly held and the hand is kept to be tightly attached to the anti-skidding lines 8, the buccal gum pulling hook part 1 and the buccal mucosa hook part 2 of the surgical pulling hook are inserted into the oral cavity, meanwhile, the oral angle hook 3 is tightly attached to the oral angle, in the process, the anti-skidding lines 8 on the handle guard plate 6 can play a role in skidding resistance in the handle part 5, when the oral and maxillofacial surgery impacted tooth pulling-out surgery is carried out, the pulling hook reverse-folded part 4 is tightly attached to the oral lip and plays a role in pulling the oral angle, then the contact between the buccal mucosa hook part 2 and the oral tissue can be reduced through the narrowed buccal mucosa hook part 2 with the triangular structure, further damage to the oral cavity is reduced, meanwhile, the blunt edge of the round blade type of the buccal gum pulling hook part 1 can further realize the damage protection to the oral cavity, meanwhile, the triangular bent small blade structure of the buccal gum pulling hook part 1 can fix a tissue flap in the surgery, the anti-slip effect is avoided, the visual field of the surgery is fully exposed, and meanwhile, the reflective mirror 7 is not in contact with the soft tissues of the buccal lip;
when an operation is performed, the handle part 5 is shifted again, so that the impacted teeth are completely exposed to the visual field of medical workers, then the position of the handle part 5 is adjusted, the positions of the buccal gum hook part 1, the buccal mucosa hook part 2 and the oral horn hook 3 are further synchronously controlled, and in the clinical operation, the reflecting mirror surface 7 is used for reflecting operation light for observation, so that the visual field is clearer and brighter, and the operation efficiency is improved;
then the operation is finished, and the operation drag hook is taken out after the operation is finished;
thus, the operation hook can be used in the operation of extracting the impacted tooth in the oral and maxillofacial surgery.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. The utility model provides a be used for department of stomatoglossal and maxillofacial surgery to hinder and give up operation drag hook, includes integrated into one piece fashioned mouth horn hook (3), drag hook inflection portion (4) and handle portion (5), its characterized in that: mouth corner hook (3) fixed connection is in the one end of drag hook inflection portion (4), handle portion (5) fixed connection is in the other end of drag hook inflection portion (4), the one end fixedly connected with buccal mucosa hook portion (2) of drag hook inflection portion (4) are kept away from in mouth corner hook (3), the one end fixedly connected with buccal gum drag hook portion (1) of buccal mucosa hook portion (2), just one side surface of buccal mucosa hook portion (2) inlays and is equipped with reflection of light mirror surface (7), the one end fixedly connected with handle backplate (6) of drag hook inflection portion (4) are kept away from in handle portion (5), just one side fixed surface of handle portion (5) is equipped with anti-skidding line (8).
2. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery as claimed in claim 1, wherein: cheek gum draw hook portion (1), cheek mucosa hook portion (2), oral horn hook (3), draw hook inflection portion (4), handle portion (5) and handle backplate (6) all adopt 304 stainless steel to make, just cheek gum draw hook portion (1), cheek mucosa hook portion (2), oral horn hook (3), draw hook inflection portion (4), handle portion (5) and handle backplate (6) are the integrated forging shaping and adopt the blunt excessive connection of circle, and wholly present S type structure.
3. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery according to claim 1, wherein: the whole length of cheek gum drag hook portion (1) is 1.5cm, and the working end width is 3mm to be 45 angular distributions with cheek mucosa hook portion (2), the whole length of cheek mucosa hook portion (2) is 4cm, and the width is 2cm, the length of mouth corner hook (3) is 4cm, and is 120 angular distributions with cheek mucosa hook portion (2), the whole length of handle portion (5) is 6cm, and is 150 angular distributions with drag hook inflection portion (4), the whole length of handle backplate (6) is 2.5cm, and is 130 angle inflection distributions with handle portion (5).
4. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery as claimed in claim 1, wherein: the cheek gum hook part (1) is a small return triangular bent blade structure fixed at the tail end of the cheek mucosa hook part (2).
5. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery as claimed in claim 1, wherein: the reflecting mirror surface (7) is formed by performing chrome plating polishing surface treatment on the buccal mucosa hook part (2).
6. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery according to claim 1, wherein: the side edge of the buccal mucosa hook part (2) is curled to form a round blunt edge structure.
7. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery according to claim 1, wherein: one end of the buccal mucosa hook part (2) close to the buccal gum pull hook part (1) is narrowed to form a triangular structure and is connected with the buccal gum pull hook part (1).
8. The retractor for the operation of extracting the impacted tooth in the oromaxillofacial surgery as claimed in claim 1, wherein: the anti-skid lines (8) are anti-skid diamond lines arranged on the handle part (5).
9. A use method of a retractor for an operation of pulling out impacted teeth in oral and maxillofacial surgery is characterized in that: the method comprises the following specific steps;
step S1: finding out the oral cavity part of the patient needing the operation of extracting the impacted teeth;
step S2: the handle part is tightly held, the hand part is kept to be tightly attached to the anti-skid lines, the buccal mucosa hook part of the buccal gum hook part of the surgical hook is inserted into the oral cavity, and the oral horn hook is tightly attached to the oral angle;
and step S3: the buccal mucosa hook part is tightly attached to the oral cavity, lips and cheek soft tissues, meanwhile, the reflecting mirror surface is ensured not to be contacted with the oral cavity, lips and cheek soft tissues, and the buccal gum hook part at the tail end of the buccal mucosa hook part is used for fixing and pulling the tissue flap;
and step S4: the handle part is shifted to expose the anti-growth teeth to the visual field of the medical worker;
step S5: adjusting the position of the handle part, further synchronously controlling the positions of the gum buccal hook part, the gum buccal hook part and the gum buccal hook part, performing an operation, and observing the operation process by using the reflecting mirror surface;
step S6: and (5) finishing the operation and taking out the surgical retractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211495381.6A CN115887049A (en) | 2022-11-27 | 2022-11-27 | Retractor for operation of extracting impacted teeth in oral and maxillofacial surgery and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211495381.6A CN115887049A (en) | 2022-11-27 | 2022-11-27 | Retractor for operation of extracting impacted teeth in oral and maxillofacial surgery and use method thereof |
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| Publication Number | Publication Date |
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| CN115887049A true CN115887049A (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211495381.6A Pending CN115887049A (en) | 2022-11-27 | 2022-11-27 | Retractor for operation of extracting impacted teeth in oral and maxillofacial surgery and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119606584A (en) * | 2025-02-12 | 2025-03-14 | 上海交通大学医学院附属瑞金医院 | Multifunctional hook assembly |
| WO2025059963A1 (en) * | 2023-09-21 | 2025-03-27 | 陈良诚 | Dental auxiliary appliance, impacted tooth traction apparatus, and mounting method therefor |
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| CN201586016U (en) * | 2009-07-20 | 2010-09-22 | 中国人民解放军第四军医大学 | cheek retractor |
| CN201977951U (en) * | 2011-03-02 | 2011-09-21 | 赵璧 | Draw hook type odontoscope |
| US20170280987A1 (en) * | 2016-03-29 | 2017-10-05 | Molly Weiandt | Intra-oral tongue or cheek retractor with a mirror |
| WO2019156592A1 (en) * | 2018-02-06 | 2019-08-15 | Сергей Васильевич МОШАК | Retractor |
| CN210727796U (en) * | 2019-07-03 | 2020-06-12 | 中国人民解放军联勤保障部队第九二〇医院 | Lip and cheek retractor with visual function |
| CN217066621U (en) * | 2022-04-28 | 2022-07-29 | 姜健 | Retractor for gingival flap on lingual side of wisdom tooth |
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2022
- 2022-11-27 CN CN202211495381.6A patent/CN115887049A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201586016U (en) * | 2009-07-20 | 2010-09-22 | 中国人民解放军第四军医大学 | cheek retractor |
| CN201977951U (en) * | 2011-03-02 | 2011-09-21 | 赵璧 | Draw hook type odontoscope |
| US20170280987A1 (en) * | 2016-03-29 | 2017-10-05 | Molly Weiandt | Intra-oral tongue or cheek retractor with a mirror |
| WO2019156592A1 (en) * | 2018-02-06 | 2019-08-15 | Сергей Васильевич МОШАК | Retractor |
| CN210727796U (en) * | 2019-07-03 | 2020-06-12 | 中国人民解放军联勤保障部队第九二〇医院 | Lip and cheek retractor with visual function |
| CN217066621U (en) * | 2022-04-28 | 2022-07-29 | 姜健 | Retractor for gingival flap on lingual side of wisdom tooth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025059963A1 (en) * | 2023-09-21 | 2025-03-27 | 陈良诚 | Dental auxiliary appliance, impacted tooth traction apparatus, and mounting method therefor |
| CN119606584A (en) * | 2025-02-12 | 2025-03-14 | 上海交通大学医学院附属瑞金医院 | Multifunctional hook assembly |
| CN119606584B (en) * | 2025-02-12 | 2025-06-03 | 上海交通大学医学院附属瑞金医院 | Multifunctional drag hook assembly |
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Application publication date: 20230404 |