CN107411828B - Automatic control dental elevator - Google Patents
Automatic control dental elevator Download PDFInfo
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- CN107411828B CN107411828B CN201710386301.6A CN201710386301A CN107411828B CN 107411828 B CN107411828 B CN 107411828B CN 201710386301 A CN201710386301 A CN 201710386301A CN 107411828 B CN107411828 B CN 107411828B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/14—Dentists' forceps or the like for extracting teeth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
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Abstract
The invention discloses an automatic control dental elevator, and belongs to the technical field of medical equipment. Comprises a tappet, a head sleeve and an operating rod; one end of the tappet is provided with a tappet edge, and the tappet is provided with a groove; the head sleeve is provided with a hollow through hole and at least one clamping groove communicated with the hollow through hole; the operating rod is provided with a hollow through hole; when one end of the tappet head, which is far away from the tappet edge, penetrates through the hollow through hole in the head sleeve and is inserted in the hollow through hole in the operating rod, the groove in the tappet head is fixedly clamped with the clamping groove in the head sleeve through the clamping device; the head sleeve is also provided with a sliding sleeve for fixing the clamping device, the outer wall of the head sleeve is provided with a first boss for positioning the sliding sleeve, and the sliding sleeve is sleeved on the outer wall of the head sleeve in a sliding manner; one end of the head sleeve, which is far away from the tappet edge, is fixedly connected with the operating rod; a hollow cavity communicated with the hollow through hole is further arranged in the operating rod, and a control mechanism for controlling the tappet to operate automatically is arranged in the hollow cavity. Has the advantages of convenient and safe operation and good experience effect of patients.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a novel pneumatic dental elevator.
Background
A dental elevator is one of the most commonly used tools for tooth extraction and is used to deliver the dental elevator prior to tooth extraction. In the conventional department of stomatology, when teeth are extracted, particularly when the complex wisdom teeth of the lower jaw are extracted, a dental elevator is inserted into a periodontal membrane between the teeth and an alveolar bone, the periodontal membrane is cut off, and the teeth are pried and loosened. However, the prior art elevator is wedged into the periodontal space by hammering, and when the elevator tip is wedged into the periodontal space with little effort, the elevator cannot enter the periodontal space, and if the effort is large, the elevator may slip out and penetrate into the adjacent soft tissue causing additional damage.
In order to solve the technical problem brought when the dental elevator is hammered, chinese patent N203970585U discloses a dental elevator of pulling out of teeth through vibration mechanism control dental elevator high frequency swing, and it includes handle, tappet, the tappet is provided with a cavity through-hole, tappet tip symmetry is provided with two first straight sword, be provided with the telescopic round bar in the cavity through-hole, the round bar tip is provided with the second straight sword, the handle is provided with and is used for adjusting the locking the regulating switch of round bar telescopic position, still be provided with in the handle with the vibration mechanism that the round bar is connected.
When the technical scheme is used, the first straight blade is firstly adopted to cut the periodontal tissue, when the first straight blade is limited by the periodontal tissue and cannot be further cut, the second straight blade can be extended out and fixed to further cut the periodontal tissue at a deep part, and the round rod can be transversely or longitudinally oscillated at high frequency by the vibration mechanism to enable the second straight blade to more effectively cut the periodontal tissue. Above-mentioned technical scheme replaces the hammering to increase the clearance and cuts very pine to gum tissue through mechanical shock mode to a certain extent, but because above-mentioned technical scheme sets up two kinds of straight sword simultaneously on a gum, when using the second straight sword, because gum rapid motion, the injury is brought very easily to patient or dentist to the first straight sword of naked sharpness, causes unnecessary unexpected damage. In addition, above-mentioned technical scheme sets up two kinds of straight sword simultaneously, if change straight sword in the use, needs the patient to wait for certain change time in treatment process, can bring uncomfortable treatment for the patient like this and experience, has awkward problem. How to solve the technical problems that the dental elevator in the prior art is inconvenient to use, easy to cause accidental damage and poor in experience effect of patients is a problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
In order to overcome the technical problems that the dental elevator in the prior art is inconvenient to use, is unsanitary, is easy to cause accidental damage to a patient and has poor experience effect, the novel automatic control dental elevator which is convenient to use, sanitary and not easy to cause accidental damage and has good experience effect on the patient is provided.
The invention relates to an automatic control dental elevator, which comprises an elevator head, a head sleeve and an operating rod;
a tappet edge is arranged at one end of the tappet head, and a groove is also formed in the tappet head;
the head sleeve is provided with a hollow through hole for inserting the tappet, and at least one clamping groove which is communicated with the hollow through hole and matched with the groove is also arranged on the head sleeve;
the operating rod is provided with a hollow through hole for the socket tappet;
when one end of the tappet head, which is far away from the tappet edge, penetrates through the hollow through hole in the head sleeve and is inserted into the hollow through hole in the operating rod, the groove in the tappet head is fixedly clamped with the clamping groove in the head sleeve through the clamping device;
the head sleeve is also provided with a sliding sleeve for covering the clamping groove, the outer wall of the head sleeve is provided with a first boss for positioning the sliding sleeve, and the sliding sleeve is sleeved on the outer wall of the head sleeve in a sliding manner; one end of the head sleeve, which is far away from the tappet edge, is fixedly connected with the operating rod;
the operating rod is also internally provided with a hollow cavity communicated with the hollow through hole, and the hollow cavity is internally provided with a control mechanism for controlling the automatic operation of the tappet.
Furthermore, the sliding fixing mode of the sliding sleeve is any fixing mode capable of realizing sliding.
Furthermore, the operating rod sets up the second boss along the outer wall all around in the one end that is close to the headgear set up expanding spring between first boss and the second boss, the sliding sleeve passes through expanding spring for latch device telescopic sliding.
The sliding sleeve is provided with a sliding rail on the head sleeve, and the inner wall of the sliding sleeve is matched with the sliding rail to be provided with a sliding groove for sliding fixation; or the sliding sleeve is provided with a sliding groove on the head sleeve, and the inner wall of the sliding sleeve is matched with the sliding groove to be provided with a sliding rail for sliding fixation.
The control mechanism for controlling the automatic operation of the tappet is an electric motor control mechanism, and the tappet is controlled to move by the electric motor.
The control mechanism for controlling the automatic operation of the tappet is a pneumatic control mechanism, and the pneumatic control mechanism has the following specific structure: the end, far away from the head sleeve, of the operating rod is spirally fixed with a tappet cap, a connecting air pipe communicated with the hollow cavity of the operating rod is arranged on the tappet cap, a cylinder sleeve and a steel core are arranged in the hollow cavity in the operating rod, the cylinder sleeve is fixedly arranged in the hollow cavity, and the cylinder core is inserted in the cylinder sleeve and can move back and forth left and right along a through hole in the cylinder sleeve by controlling air pressure so as to control the tappet to move.
One end of the steel core, which is close to the tappet cap, is connected with the tappet cap through a return spring.
The side wall of the cylinder sleeve is provided with at least one air groove, the connecting air pipe on the tappet cap is directly communicated with the air groove, and the inner wall of the cylinder sleeve is also provided with at least one air hole communicated with the air groove and the inside of the cylinder sleeve;
the cylinder core comprises a columnar sliding rod and a guide rod arranged at the front end and smaller in diameter, an air cavity with an opening at one end is arranged at one end, close to the lifting cap, of the columnar sliding rod, and an air inlet hole communicated with the interior of the cylinder sleeve and the air cavity is formed in the side face of the guide rod.
The clamping groove on the head sleeve is vertically communicated with the hollow through hole on the head sleeve; the width of the groove on the tappet, which is axially parallel to the tappet, is greater than the width of the clamping groove on the headgear, which is axially parallel to the headgear.
One end of the head sleeve, which is far away from the tappet edge, is spirally and fixedly connected with the operating rod; the tappet of the tappet head is in any shape, and the hollow through hole on the head sleeve is in any shape matched with the shape of the tappet; the clamping groove is in any shape, and the clamping device is in any shape matched with the clamping groove. Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the automatic control dental elevator, the tappet head, the head sleeve and the operating rod are arranged, the groove is formed in the tappet head, the clamping groove is formed in the head sleeve, the tappet head is inserted into the head sleeve and the operating rod, and then the clamping groove in the head sleeve and the groove in the tappet head are matched and fixed through the clamping device. Therefore, the automatic control dental elevator has outstanding beneficial effects.
(2) According to the automatic control dental elevator, the second boss is further arranged at one end, close to the head sleeve, of the operating rod along the periphery of the outer wall, the telescopic spring is arranged between the first boss and the second boss, the sliding sleeve telescopically slides relative to the clamping device through the telescopic spring, and the sliding sleeve can conveniently slide open through the telescopic spring, so that the clamping device is very convenient to take out to replace the head, and the automatic control dental elevator has the advantage of convenience in operation.
Drawings
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a third schematic structural view of the present invention;
FIG. 4 is a fourth schematic structural view of the present invention;
FIG. 5 is a fifth schematic structural view of the present invention;
FIG. 6 is a sixth schematic structural view of the present invention;
FIG. 7 is a seventh schematic view of the present invention
1-straightening head; 11-a straight edge; 12-a groove; 2-head cover; 21-a card slot; 22-a snap-in device; 23-a first boss; 3-an operating lever; 31-a second boss; cylinder jacket-32; an air tank-321; air hole-322; a steel core-33; a cylindrical glider-331; a guide rod-332; an air cavity-333; an inlet aperture-334; a return spring-34; a hollow cavity-35; -36 control means; a tappet cap-4; a connecting air pipe-41; a sliding sleeve-5; a telescopic spring-51.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The automatic control dental elevator in the embodiment, as shown in fig. 1 and fig. 2, comprises a tappet 1, a head cover 2 and an operating rod 3; a tappet edge 11 is arranged at one end of the tappet 1, and a groove 12 is also arranged on the tappet 1;
the head sleeve 2 is provided with a hollow through hole for the spigot-and-socket tappet 1, the hollow through hole is preferably arranged in parallel with the central axis of the head sleeve, and certainly can be arranged at a certain angle with the central axis of the head sleeve, and any hollow through hole capable of playing a spigot-and-socket tappet can be used by the invention in a specific embodiment;
the head cover 2 is further provided with at least one clamping groove 21 which is communicated with the hollow through hole and is matched with the groove 12, and in the embodiment, the clamping groove 21 which is perpendicular to the hollow through hole is preferably arranged; further, the width of the groove 12 on the tappet 1, which is parallel to the axial direction of the tappet, may be preferably set to be greater than the width of the clamping groove on the headgear 2, which is parallel to the axial direction of the headgear, so that the tappet can be wedged into periodontal tissue under a certain acting force;
the operating rod 3 is provided with a hollow through hole of the socket tappet 1; when one end of the tappet, which is far away from the tappet edge, penetrates through the hollow through hole in the head sleeve 2 and is inserted in the hollow through hole in the operating rod 3, the groove 12 in the tappet 1 and the clamping groove 21 in the head sleeve 2 can be clamped and fixed just through the clamping device 22, and the clamping device can select any clamping device which is matched with the size and the shape of the clamping groove 21 and can play a role in fixing the tappet in the actual use process;
the headgear 2 is further provided with a sliding sleeve 5 for covering the clamping groove 21, the sliding sleeve is slidably fixed on the headgear in any slidable manner, in this embodiment, preferably, a sliding rail is arranged on the headgear, and a sliding groove is arranged on the inner wall of the sliding sleeve in cooperation with the sliding rail, so that the sliding fixation of the sliding sleeve is realized; in order to further limit the slidable position of the sliding sleeve, in this embodiment, a first boss 23 for positioning the sliding sleeve 5 is further disposed on the outer wall of the head sleeve 2, and when the sliding sleeve 5 is slidably sleeved on the outer wall of the head sleeve 2, the sliding sleeve can be tightly coupled with the head sleeve through the first boss 23;
one end of the headgear 2, which is far away from the tappet edge, is detachably and fixedly connected with the operating rod 3, the detachable and fixed connection mode can be any mode capable of realizing detachable and fixed connection, and a spiral fixed connection mode is preferably adopted in the embodiment;
a hollow cavity 35 communicated with the hollow through hole is further arranged in the operating rod 3, a control mechanism 36 for controlling the automatic operation of the tappet is arranged in the hollow cavity, and in the embodiment, the control mechanism 36 preferably adopts an automatic control mechanism of an electric motor to automatically control the tappet.
Above-mentioned embodiment is when using, at first according to patient's age, concrete reasons such as the state of an illness, select suitable tappet, and pass headgear socket joint with the tappet in the action bars, slide the sliding sleeve to the exposed back of draw-in groove on the headgear, put into the draw-in groove with latch device, can conveniently be fixed in the headgear with the tappet like this, it is fixed with the headgear spiral, open electric motor, the motor drives tappet high-frequency motion, make the tappet can conveniently wedge into periodontal tissue, cut off the periodontal membrane, the damage to the indent bone that has significantly reduced, tooth extraction time has been shortened. The automatic control dental elevator has the outstanding beneficial effects because the automatic control dental elevator is used.
As a modification of the above embodiment, as shown in fig. 3, the present embodiment is different from the above embodiment in that a ring-shaped second boss 31 is provided along the outer wall circumference at one end of the operating lever 3 near the head cover, a telescopic spring 51 is preferably provided between the first boss 23 and the second boss 31, and the slide sleeve 5 is telescopically slid with respect to the latch device by the telescopic spring.
When the telescopic sliding sleeve is used, the fixing mode of the sliding sleeve is replaced by fixing the sliding groove sliding rail through the telescopic spring, so that the sliding of the sliding sleeve is more convenient, the tappet is further convenient to replace, and the telescopic sliding sleeve has the more prominent advantage.
As a variation of the other embodiment, as shown in fig. 4, the present embodiment is different from the first embodiment in that the control mechanism for controlling the automatic operation of the tappet is a pneumatic control mechanism, and the pneumatic control mechanism has the following specific structure: a tappet cap 4 is spirally fixed at one end of the operating rod 3, which is far away from the head sleeve, a connecting air pipe 41 communicated with the hollow cavity of the operating rod is arranged on the tappet cap 4, a cylinder sleeve 32 and a steel core 33 are arranged in the hollow cavity in the operating rod 3, the cylinder sleeve 32 is fixedly arranged in the hollow cavity, and the cylinder core 33 is inserted in the cylinder sleeve 32 and can make the steel core 33 reciprocate left and right along a through hole in the cylinder sleeve by controlling the air pressure, so that the movement of the tappet 1 is controlled.
The embodiment replaces the electric motor to drive the movement of the tappet head into a pneumatic control mode, and when the integrated treatment chair is used, the connecting air pipe is tightly combined with the mobile phone interface on the oral cavity comprehensive treatment chair, so that the integrated treatment chair can provide an air source for the pneumatic control dental elevator, and the electric dental elevator is manually held by an improved pen holding posture, so that the tappet head is in contact with the alveolar bone corresponding to the dental body to be extracted. Treading a foot switch of the dental comprehensive treatment chair to enable high-pressure airflow to enter through a connecting air pipe, pushing the steel core to move by the airflow, enabling the steel core to enter into the hollow through hole of the operating rod downwards to further push the tappet to move, adjusting the pressure when the pressure reaches a certain value, reducing the pressure of the inner cavity of the operating rod to be smaller than the external air pressure, retracting the steel core, and completing a reciprocating cycle. When in actual use, can make steel core circulation reciprocating motion through setting up the device of sensor etc. according to actual use effect automatically regulated pressure, drive the tappet and continuously push down the atress to the alveolar bone, the very light removal of consisting of the tappet can hinder living wisdom tooth and remove difficult tooth, can easily wedge into the periodontal membrane, and it is little to alveolar bone damage.
As a variation of another embodiment, as shown in fig. 5 and 6, this embodiment is different from the above embodiments in that a return spring 34 is preferably provided on one end of the steel core 33 near the tappet cap 4, and the steel core 33 is connected to the tappet cap 4 through the return spring 34.
When the embodiment is used, the difference from the previous embodiment is that high-pressure airflow enters the inner cavity of the operating rod through the connecting air pipe to push the steel core to move downwards, and when the retraction force of the spring is greater than the air pressure, the steel core retracts under the control of the elastic force of the telescopic spring to complete a reciprocating motion. The steel core is constantly circulating reciprocating motion under airflow pressure and expanding spring's dual control, drives the tappet and continuously pushes down the atress to the alveolar bone, and the very light extraction of dental elevator hinders the growing wisdom tooth and extracts difficult tooth, can easily wedge into the periodontal membrane, and is little to alveolar bone damage. In addition, if the tappet needs to be replaced, as shown in fig. 6, the head sleeve is forced to the tappet cap direction to compress the spring, the clamping device is exposed, and after the clamping device is taken out, the tappet can be pulled out for replacement.
As a variation of another embodiment, as shown in fig. 7, the present embodiment is different from the above embodiment in that no return spring is provided to connect the steel core 33 with the tappet cap 4, but at least one air groove 321 is provided on the side wall of the cylinder liner 32, for example, two or four air grooves 321 may be uniformly provided along the side wall of the cylinder liner, in the present embodiment, one air groove 321 is provided on the side wall of the cylinder liner, the connecting air pipe on the tappet cap is directly communicated with the air groove 321, and at least one air hole 322 communicating the air groove 321 with the inside of the cylinder liner 32 is further provided on the inner wall of the cylinder liner 32; the cylinder core 33 comprises a columnar sliding rod 331 and a guide rod 332 which is arranged at the front end and has a smaller diameter, an air cavity 333 is arranged at one end of the columnar sliding rod 331 close to the tappet cap, and an air inlet 334 which is communicated with the interior of the cylinder sleeve and the air cavity 333 is arranged on the side surface of the guide rod 332.
When the integrated dental elevator is used, the connecting air pipe is tightly combined with the mobile phone interface on the oral cavity comprehensive treatment chair, so that an air source can be provided for pneumatically controlling the dental elevator, the electric dental elevator is held by an improved holding gesture, and the head of the electric dental elevator is in contact with the alveolar bone corresponding to the dental body to be extracted. When the steel core is in a retracted state, the air flow enters the air cavity 333 of the steel core through the air inlet 334, and when the air pressure in the air cavity 333 is sufficiently high, the air flow reversely pushes the steel core to move towards the tooth lifter, the steel core downwards enters the hollow through hole of the operating rod to further push the tappet to move, when the steel core 33 is in an extended state, the air inlet 334 on the steel core 33 cannot enter the air flow, and after the air flow enters the space between the cylinder sleeve 32 and the steel core 33 through the air hole 322 on the cylinder sleeve, a large amount of air flow enters the space between the steel core 32 and the cylinder sleeve 33, and the air flow pushes the steel core 33 to retract until the steel core retracts into the cylinder sleeve 32, so that a reciprocating cycle is completed. When the air current lasts the during operation, steel core circulation reciprocating motion drives the tappet and continues to push down the atress to the alveolar bone, and the very light extraction of very young wisdom tooth and the difficult tooth of extraction that hinders can easily wedge into the periodontal membrane, and is little to the alveolar bone damage. Therefore, the automatic control dental elevator has outstanding beneficial effects.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention that are made by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention, and the technical contents of the present invention that are claimed shall be fully described in the claims.
Claims (7)
1. An automatic control dental elevator is characterized in that,
comprises a tappet (1), a head sleeve (2) and an operating rod (3);
a tappet edge (11) is arranged at one end of the tappet (1), and a groove (12) is also formed in the tappet (1);
the head sleeve (2) is provided with a hollow through hole for inserting the tappet (1), and the head sleeve (2) is also provided with at least one clamping groove (21) which is communicated with the hollow through hole and is matched with the groove (12);
the operating rod (3) is provided with a hollow through hole for the socket tappet (1);
when one end of the tappet, which is far away from the tappet edge, penetrates through the hollow through hole in the head cover (2) and is inserted into the hollow through hole in the operating rod (3), the groove (12) in the tappet (1) is fixedly clamped with the clamping groove (21) in the head cover (2) through the clamping device (22);
the head sleeve (2) is further provided with a sliding sleeve (5) used for covering the clamping groove (21), the outer wall of the head sleeve (2) is provided with a first boss (23) which plays a role in positioning the sliding sleeve (5), and the sliding sleeve (5) is sleeved on the outer wall of the head sleeve (2) in a sliding manner; one end of the head sleeve (2) far away from the tappet sharp edge is detachably and fixedly connected with the operating rod (3);
a hollow cavity (35) communicated with the hollow through hole is also arranged in the operating rod (3), a control mechanism (36) for controlling the tappet to operate automatically is arranged in the hollow cavity,
the clamping groove (21) on the head sleeve (2) is vertically communicated with the hollow through hole on the head sleeve (2); the width of the groove (12) on the tappet (1) which is parallel to the axial direction of the tappet is larger than the width of the clamping groove (21) on the head sleeve (2) which is parallel to the axial direction of the head sleeve,
one end of the head sleeve (2) far away from the tappet edge of the tappet (1) is spirally and fixedly connected with the operating rod (3); the tappet of the tappet (1) is in any shape, and the hollow through hole in the head sleeve (2) is in any shape matched with the tappet in shape; the clamping groove (21) is in any shape, the clamping device (22) is in any shape matched with the clamping groove (21),
the control mechanism for controlling the automatic operation of the tappet is an electric motor control mechanism or a pneumatic control mechanism and controls the movement of the tappet (1).
2. The automatically controlled dental elevator as set forth in claim 1,
the sliding fixing mode of the sliding sleeve (5) is any fixing mode capable of realizing sliding.
3. The automatically controlled dental elevator according to claim 2,
the utility model discloses a clamping device, including bayonet device (22), action bars (3) are setting up second boss (31) around the outer wall in the one end that is close to the headgear along the outer wall set up expanding spring (51) between first boss (23) and second boss (31), slip cap (5) pass through expanding spring (51) for clamping device (22) slip telescopically.
4. The automatically controlled dental elevator according to claim 2,
the sliding sleeve (5) is provided with a sliding rail on the head sleeve, and the inner wall of the sliding sleeve is matched with the sliding rail to be provided with a sliding groove for sliding fixation; or the sliding sleeve (5) is provided with a sliding groove on the head sleeve, and the inner wall of the sliding sleeve is matched with the sliding groove to be provided with a sliding rail for sliding fixation.
5. The automatic control dental elevator as claimed in any one of claims 1 to 4,
the control mechanism for controlling the automatic operation of the tappet is a pneumatic control mechanism, and the pneumatic control mechanism has the following specific structure: the operation rod (3) is far away from one end of the head sleeve to fix the tappet cap (4) in a spiral mode, the tappet cap (4) is provided with a connecting air pipe (41) communicated with a hollow cavity of the operation rod, a cylinder sleeve (32) and a cylinder core (33) are arranged in the hollow cavity in the operation rod (3), the cylinder sleeve (32) is fixedly arranged in the hollow cavity, and the cylinder core (33) is inserted in the cylinder sleeve (32) in a socket mode and can move in a left-right reciprocating mode along a through hole in the cylinder sleeve through controlling air pressure, so that the tappet (1) is controlled to move.
6. The automatically controlled dental elevator according to claim 5,
one end of the cylinder core (33) close to the support cap (4) is connected with the support cap (4) through a return spring (34).
7. The automatically controlled dental elevator according to claim 5,
the side wall of the cylinder sleeve (32) is provided with at least one air groove (321), a connecting air pipe on the tappet cap is directly communicated with the air groove (321), and the inner wall of the cylinder sleeve (32) is also provided with at least one air hole (322) for communicating the air groove (321) with the interior of the cylinder sleeve (32);
the cylinder core (33) comprises a columnar sliding rod (331) and a guide rod (332) which is arranged at the front end and has a smaller diameter, an air cavity (333) with an opening at one end is arranged at one end, close to the lifting cap, of the columnar sliding rod (331), and an air inlet hole (334) which is communicated with the interior of the cylinder sleeve and the air cavity (333) is arranged on the side surface of the guide rod (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710386301.6A CN107411828B (en) | 2017-05-26 | 2017-05-26 | Automatic control dental elevator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710386301.6A CN107411828B (en) | 2017-05-26 | 2017-05-26 | Automatic control dental elevator |
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| CN107411828A CN107411828A (en) | 2017-12-01 |
| CN107411828B true CN107411828B (en) | 2023-01-06 |
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| CN201710386301.6A Active CN107411828B (en) | 2017-05-26 | 2017-05-26 | Automatic control dental elevator |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108553181A (en) * | 2018-04-27 | 2018-09-21 | 南方医科大学南方医院 | Self-taped type exempts to hammer apical elevator |
| CN108969281B (en) * | 2018-08-14 | 2021-01-05 | 青岛市黄岛区中心医院 | Robot for pulling out wisdom teeth |
| CN213156588U (en) | 2020-05-29 | 2021-05-11 | 河北闰悦医疗器械有限公司 | Pneumatic tappet and dental elevator |
| CN111643201B (en) * | 2020-07-02 | 2021-06-01 | 西安交通大学口腔医院 | Clamping device for oral tooth implantation |
| CN111772829B (en) * | 2020-07-08 | 2021-10-01 | 诸暨市人民医院 | Digital display dental elevator |
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| US20160074135A1 (en) * | 2014-09-12 | 2016-03-17 | Umm Al-Qura University | Adjustable dental hand instrument |
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| CN204337062U (en) * | 2014-11-27 | 2015-05-20 | 李文超 | Multifunctional combination Wicresoft Exelcymosis knife |
| CN205758739U (en) * | 2016-06-07 | 2016-12-07 | 邢树哲 | A kind of novel pneumatic dental elevator |
| CN207804402U (en) * | 2017-05-26 | 2018-09-04 | 邢树哲 | One kind automatically controlling dental elevator |
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| CN107411828A (en) | 2017-12-01 |
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Effective date of registration: 20190624 Address after: Room 108, 1st floor, Lixiangyuan, 660 Chengjiao Street, Qiaoxi District, Shijiazhuang City, Hebei Province Applicant after: Hebei Runyue Medical Devices Co.,Ltd. Address before: 071200 Zhengyang Road, Zhongzhi Village, Anguo Wurenqiao Town, Baoding City, Hebei Province Applicant before: Xing Shuzhe |
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