CN114983601B - Dental pulp treatment device and application method thereof - Google Patents

Dental pulp treatment device and application method thereof Download PDF

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Publication number
CN114983601B
CN114983601B CN202210642301.9A CN202210642301A CN114983601B CN 114983601 B CN114983601 B CN 114983601B CN 202210642301 A CN202210642301 A CN 202210642301A CN 114983601 B CN114983601 B CN 114983601B
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Prior art keywords
flushing
fixed cylinder
connecting plate
handle
tube
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CN114983601A (en
Inventor
刘帅
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Chengdu Sani Medical Equipment Co ltd
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Chengdu Sani Medical Equipment Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A61C17/0208Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication combined with means providing suction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/06Saliva removers; Accessories therefor
    • A61C17/12Control devices, e.g. for suction
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00Filling or capping teeth
    • A61C5/50Implements for filling root canals; Methods or instruments for medication of tooth nerve channels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00Devices for introducing or retaining media, e.g. remedies, in cavities of the body

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

The invention discloses an endodontic treatment device and a using method thereof, and relates to the technical field of endodontic treatment. An endodontic treatment device, comprising: the device comprises a handle, a fixed cylinder which is arranged on the handle and is connected with the handle into an integrated structure, and a flushing and sucking mechanism and a medicine storage mechanism which are respectively axially arranged inside the fixed cylinder and extend to the outside of the fixed cylinder, wherein the flushing and sucking mechanism is positioned above the medicine storage mechanism; the handle is movably connected with a driving piece for quantitatively pushing out the liquid medicine in the medicine storage mechanism. The flushing and sucking mechanism can flush and suck the affected part of the oral cavity of the patient, so that the uncomfortable feeling of the patient is reduced when the affected part is treated, and the flushing and sucking mechanism is convenient for an operator to operate without replacing other cleaning devices and sucking devices; the driving piece on the control handle can realize the quantitative pushing out of the liquid medicine in the medicine storage mechanism, and the liquid medicine is uniformly smeared on the washed and sucked affected part, thereby achieving the purpose of accurately controlling the dosage.

Description

Dental pulp treatment device and application method thereof
Technical Field
The invention relates to the technical field of dental pulp treatment, in particular to a dental pulp treatment device and a use method thereof.
Background
The description of the background art to which the present invention pertains is merely for illustrating and facilitating understanding of the summary of the invention, and should not be construed as an explicit recognition or presumption by the applicant that the applicant regards the prior art as the filing date of the first filed application.
The pulp is the connective tissue transported in the pulp cavity of the tooth, surrounded by hard dentin, and infection and necrosis of the pulp can be caused by factors such as saw tooth, tooth trauma, abnormal tooth structure, etc. Once inflammation occurs in dental pulp, various current treatment methods have no obvious effect on action; especially, root canal treatment thoroughly removes the entire dental pulp tissue, resulting in the nutrition metabolism of the entire tooth with only periodontal tissue supply, loss of sensory and defensive functions, embrittlement of dental tissue, and finally, fracture of the tooth. In order to preserve the viable pulp tissue as much as possible, especially for young patients with good restoration and regeneration capacity, the inflamed pulp tissue is subjected to urgent treatments such as pulp opening and decompression, incision and pus discharge, inflammation diminishing and pain relieving. The existing dental pulp treatment device does not have the functions of flushing and sucking, only an external flushing part and an external sucking part can be adopted, and then the treatment paste is smeared on an affected part, so that the device is inconvenient to use and affects the comfort level of a patient.
Disclosure of Invention
The invention aims to provide an endodontic treatment device and a using method thereof, which are used for solving the problem that the prior endodontic treatment device has single function and is inconvenient to use.
The technical scheme for solving the technical problems is as follows:
An endodontic treatment device, comprising: the device comprises a handle, a fixed cylinder which is arranged on the handle and is connected with the handle into an integrated structure, and a flushing and sucking mechanism and a medicine storage mechanism which are respectively axially arranged inside the fixed cylinder and extend to the outside of the fixed cylinder, wherein the flushing and sucking mechanism is positioned above the medicine storage mechanism;
The handle is movably connected with a driving piece for quantitatively pushing out the liquid medicine in the medicine storage mechanism.
The beneficial effects of adopting above-mentioned technical scheme are: the oral cavity affected part of the patient is washed and sucked through the punching and sucking mechanism, so that uncomfortable feeling of the patient is reduced when the affected part is treated, and the operation of an operator is facilitated without replacing other cleaning devices and sucking devices; the handle is convenient for hold the back operation, and the driving piece on the control handle can realize ejecting the liquid medicine ration in the medicine storage mechanism to evenly scribble the affected part after washing and attracting with the liquid medicine, reach the purpose of accurate control quantity.
Further, the flushing and sucking mechanism comprises a flushing outer tube, an inner suction tube positioned in the flushing outer tube and a connector arranged at the end part of the fixed cylinder, wherein the flushing outer tube and the inner suction tube are axially arranged in the fixed cylinder and extend towards the direction of the fixed cylinder away from the connector, a first channel and a second channel are respectively arranged on the connector, the first channel is communicated with the flushing outer tube, the second channel is communicated with the inner suction tube, and the first channel and the second channel are detachably connected with a plugging head.
The beneficial effects of adopting above-mentioned technical scheme are: the first channel on the connector is used for connecting a pipeline of an external flushing device, the second channel is used for connecting a pipeline of an external negative pressure suction device, the plugging head is used for preventing sundries from entering the inner part of the flushing outer pipe and the suction inner pipe when the plugging head is not used, when an affected part is required to be flushed, the external flushing device and the negative pressure suction device are operated, and the affected part is flushed and sucked simultaneously through the flushing outer pipe and the suction inner pipe, so that discomfort of a patient during treatment is reduced, and meanwhile, the working efficiency is improved; and the first channel and the second channel can be connected with an external negative pressure suction equipment pipeline and a flushing equipment pipeline, so that the functions of the flushing outer pipe and the sucking inner pipe are exchanged, and the purposes of flushing and sucking can be achieved, thereby avoiding the situation that the device cannot be used if a worker is connected with the device by mistake during use.
Further, the driving piece includes the spanner, the connecting plate of being connected with the spanner and the elastic restoring piece of being connected with the end connection that the spanner was kept away from to the connecting plate, connecting plate and handle swing joint, and elastic restoring piece sets up the inner wall at the fixed section of thick bamboo, promotes the elastic restoring piece through spanner drive connecting plate and releases the liquid medicine in the medicine storage mechanism.
The beneficial effects of adopting above-mentioned technical scheme are: through pressing or loosening the spanner to the drive connecting plate presses or loosens elastic reset piece, thereby drives the piston rod rectilinear movement on the medicine storage mechanism, makes the liquid medicine suction to the injection tube through pressing, realizes pushing out the injection tube with the liquid medicine through loosening the spanner, and easy operation is convenient, can realize through pressing and loosening the spanner.
Further, a movable cavity matched with the connecting plate is formed in the handle, the connecting plate stretches into the movable cavity and is connected with the elastic reset piece, a tooth-shaped block is arranged on the bottom side edge of the connecting plate, and a tooth-shaped strip matched with the tooth-shaped block is arranged in the movable cavity of the handle.
The beneficial effects of adopting above-mentioned technical scheme are: the tooth-shaped blocks at the bottom side of the connecting plate are matched with the tooth-shaped strips, so that the connecting plate is convenient to fix, and after a worker sucks the liquid medicine into the injection tube, the liquid medicine cannot flow out; when the liquid medicine is needed to be pushed out, the toothed block on the connecting plate is separated from the toothed bar by operating the wrench, and the piston rod is pushed to push the liquid medicine out of the injection tube under the action of the elastic reset piece.
Further, the medicine storage mechanism comprises an injection tube axially arranged in the fixed cylinder, a piston arranged in the injection tube, a piston rod connected with the rear end of the piston, and an infusion tube arranged at the end part of the fixed cylinder and communicated with the injection tube, wherein the end part of the piston rod far away from the piston is connected with the elastic reset piece.
The beneficial effects of adopting above-mentioned technical scheme are: the elastic reset piece drives the piston rod and the piston to reciprocate in the injection tube, so that the suction and the pushing out of the liquid medicine are realized, the structure is simple, and the operation is convenient.
Further, the end of the infusion tube remote from the injection tube is provided with a coating.
The beneficial effects of adopting above-mentioned technical scheme are: the coating piece is convenient for uniformly applying the liquid medicine to the affected part.
Further, the elastic reset piece is including connecting block, connecting rod, fixed plate, the spring that connect gradually, and the connecting plate is kept away from the tip and the connecting rod connection of spanner, and the inner wall of fixed section of thick bamboo is provided with fixed sleeve, and the fixed plate passes through the spring to be connected with fixed telescopic diapire, and the fixed plate size and fixed telescopic internal diameter phase-match, and the piston rod is kept away from the tip and the connecting block connection of piston.
The beneficial effects of adopting above-mentioned technical scheme are: the connecting plate is connected with the connecting rod, and the fixed plate passes through the spring to be connected with fixed telescopic diapire, and fixed sleeve plays the guide effect to make the spring can compress and extend in fixed sleeve inside, through pressing or loosening the spanner, the spanner drives the connecting plate in the rectilinear reciprocating motion of activity intracavity, thereby drives the connecting rod through the connecting plate and drives the fixed plate and do rectilinear reciprocating motion in fixed sleeve, thereby drives the piston through connecting block and piston rod and be rectilinear movement in the injection tube, and realize sucking and ejecting action.
Further, a sliding block is arranged on the piston rod, penetrates through the side wall of the fixed cylinder and is in sliding connection with the fixed cylinder.
Further, a chute matched with the sliding block is formed in the bottom side of the fixed cylinder, and scales are arranged on the outer wall of the bottom side of the fixed cylinder.
The beneficial effects of adopting above-mentioned technical scheme are: through setting up the slider, the piston rod can drive the slider and remove when removing to make the scale that the slider corresponds different, be convenient for quantitatively release the liquid medicine in the syringe, be convenient for staff observe and operate.
The invention also provides a using method of the dental pulp treatment device, which comprises the following steps:
s1: checking the dental pulp treatment device in advance, and preparing an external flushing device and a negative pressure suction device;
S2: sucking the liquid medicine into a medicine storage mechanism through a driving piece for storage, and then connecting external flushing equipment and negative pressure suction equipment to the flushing and suction mechanism;
s3: the flushing and sucking mechanism is adjusted to enable the flushing equipment and the negative pressure sucking equipment which are respectively arranged outside to be communicated, and the flushing and sucking mechanism is used for flushing and sucking the affected part;
s4: after the flushing and suction are finished, the driving part is further driven to quantitatively push out the liquid medicine in the medicine storage mechanism, and the liquid medicine is uniformly coated on the affected part.
The beneficial effects of adopting above-mentioned technical scheme are: step one, checking dental pulp treatment equipment, wherein the equipment to be used can work normally, so that faults in the subsequent use process are avoided, and the treatment time is delayed; the external flushing device and the negative pressure suction device are respectively connected through the flushing mechanism, so that the liquid can be sucked out while flushing the affected part, the uncomfortable feeling of the oral cavity of a patient is reduced, meanwhile, the operation visual field is increased, the operation of medical staff is facilitated, the treatment time is shortened, and the treatment efficiency is improved; after the washing and suction are finished, the liquid medicine is pushed out and uniformly smeared on the affected part, thereby achieving the aim of accurately using medicine.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention can wash the affected part and suck the effusion at the same time by the flushing and sucking mechanism, and the flushing and sucking mechanism widens the visual field during treatment due to smaller capacity of the oral cavity of the human body, reduces the uncomfortable feeling of the patient, is convenient for the medical staff to operate and reduces the treatment time;
2. According to the invention, the elastic reset piece is arranged, so that the piston rod and the piston can linearly move in the injection tube, the quantity of the pushed liquid medicine is accurately observed through the sliding block on the piston rod, the operation is simple, the medicine application is more accurate, and the injection tube can be realized by pressing or loosening the wrench.
Drawings
Fig. 1 is a schematic view of the structure of an endodontic treatment apparatus;
fig. 2 is a schematic view of the structure of the endodontic treatment apparatus in a wrench-released state.
In the figure: 1-handle, 2-fixed cylinder, 21-scale, 22-fixed sleeve, 3-flushing and sucking mechanism, 31-flushing outer tube, 32-suction inner tube, 33-connector, 331-channel one, 332-channel two, 333-blocking head, 4-medicine storage mechanism, 41-syringe, 42-piston, 43-piston rod, 431-slide block, 44-infusion tube, 45-coating piece, 5-driving piece, 51-spanner, 52-connecting plate, 521-tooth-shaped block, 53-elastic reset piece, 531-connecting block, 532-connecting rod, 533-fixed plate, 534-spring.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present invention, based on the embodiments of the present invention.
As shown in fig. 1 and 2, an endodontic treatment apparatus includes: the device comprises a handle 1, a fixed cylinder 2 which is arranged on the handle 1 and is connected with the handle 1 into an integrated structure, and a flushing and sucking mechanism 3 and a medicine storage mechanism 4 which are respectively axially arranged inside the fixed cylinder 2 and extend to the outside of the fixed cylinder 2, wherein the handle 1 is connected with the fixed cylinder 2 into an integrated structure, so that the structure is more stable; the flushing and sucking mechanism 3 is positioned above the medicine storage mechanism 4;
The handle 1 is movably connected with a driving piece 5 for quantitatively pushing out the liquid medicine in the medicine storage mechanism 4. When the inflamed dental pulp tissue is treated, operations such as pulp opening, pressure reduction, incision, pus discharge and the like are firstly carried out, the flushing and sucking mechanism 3 is used for primarily flushing and sucking pus on an affected part of a patient oral cavity, and then the liquid medicine in the medicine storage mechanism 4 is pushed out by operating the driving piece 5 and uniformly coated on the affected part, so that the purposes of diminishing inflammation and relieving pain are achieved.
As shown in fig. 1, the flushing and sucking mechanism 3 includes a flushing outer tube 31, a suction inner tube 32 located inside the flushing outer tube 31, and a connector 33 disposed at an end of the fixed cylinder 2, where the flushing outer tube 31 and the suction inner tube 32 are axially disposed inside the fixed cylinder 2 and extend in a direction away from the connector 33 toward the fixed cylinder 2, the connector 33 is provided with a first channel 331 and a second channel 332, the first channel 331 is communicated with the flushing outer tube 31, the second channel 332 is communicated with the suction inner tube 32, and the first channel 331 and the second channel 332 are detachably connected with a blocking head 333. The first channel 331 is used for connecting with the pipeline of the external flushing device, and the second channel 332 is used for connecting with the pipeline of the external negative pressure suction device, so that the purposes of flushing and negative pressure suction are achieved. In this embodiment, the external flushing device may be an infusion line, flushing with a medical sterile solution, and the negative pressure suction device may be a negative pressure suction device commonly used in existing medical treatment. In the present application, the first passage 331 and the second passage 332 may be connected to an external flushing device and a negative pressure suction device, so that the flushing outer tube 31 may be flushed or used for suction; the suction inner tube 32 can be used for suction or flushing, so that the situation that the device cannot be used due to incorrect connection of staff during use is avoided.
The driving part 5 comprises a spanner 51, a connecting plate 52 connected with the spanner 51 and an elastic reset part 53 connected with the end part of the connecting plate 52 far away from the spanner 51, wherein the connecting plate 52 is movably connected with the handle 1, the elastic reset part 53 is arranged on the inner wall of the fixed cylinder 2, and the connecting plate 52 is driven by the spanner 51 to push the elastic reset part 53 to push out the liquid medicine in the medicine storage mechanism 4. By pressing or loosening the wrench 51, the connecting plate 52 is driven to linearly move in the movable cavity of the handle 1, so that the connecting plate 52 drives the elastic reset piece 53 to linearly move in the fixed sleeve 22, the spring 534 is compressed or stretched, and the elastic reset piece 53 drives the piston rod 43 on the medicine storage mechanism 4 to linearly move, so that the medicine liquid is sucked and pushed out.
The handle 1 is provided with a movable cavity matched with the connecting plate 52, the connecting plate 52 extends into the movable cavity and is connected with the elastic reset piece 53, the bottom side edge of the connecting plate 52 is provided with a tooth-shaped block 521, and the movable cavity of the handle 1 is provided with a tooth-shaped strip matched with the tooth-shaped block 521. The engagement of the tooth block 521 and the tooth bar is used for fixing the connecting plate 52, so that the elastic reset piece 53 is fixed, and when the piston rod 43 drives the piston 42 to suck the liquid medicine into the injection tube 41, the engagement of the tooth block 521 and the tooth bar can prevent the sucked liquid medicine from being automatically pushed out.
As shown in fig. 2, the medicine storage mechanism 4 includes a syringe 41 axially provided in the fixed barrel 2, a piston 42 provided in the syringe 41, a piston rod 43 connected to the rear end of the piston 42, and an infusion tube 44 provided at the end of the fixed barrel 2 and communicating with the syringe 41, the end of the piston rod 43 remote from the piston 42 being connected to the elastic restoring member 43. The piston 42 on the piston rod 43 is driven to linearly move in the injection tube 41 by the linear movement of the elastic reset piece 53, and the medicine liquid is sucked or pushed out through the infusion tube 44, so that the purposes of sucking and pushing out are achieved.
The end of the infusion tube 44 remote from the injection tube 41 is provided with a coating 45. The coating member 45 is a sponge pad which is wrapped around the end of the infusion tube 44 for uniformly coating the liquid medicine.
The elastic restoring member 53 comprises a connecting block 531, a connecting rod 532, a fixing plate 533 and a spring 534 which are sequentially connected, wherein the end part of the connecting plate 52, far away from the wrench 51, is connected with the connecting rod 532, the inner wall of the fixed cylinder 2 is provided with a fixed sleeve 22, the fixing plate 533 is connected with the bottom wall of the fixed sleeve 22 through the spring 534, the size of the fixing plate 533 is matched with the inner diameter of the fixed sleeve 22, and the end part of the piston rod 43, far away from the piston 42, is connected with the connecting block 531. The fixing sleeve 22 plays a guiding role for guiding the fixing plate 533 to make a linear motion in the fixing sleeve 22, thereby making the connection rod 532 and the connection block 531 to make a linear motion, and driving the piston rod 43 to make a linear motion.
The piston rod 43 is provided with a slider 431, and the slider 431 penetrates through the side wall of the fixed cylinder 2 and is slidably connected with the fixed cylinder 2. The bottom side of the fixed cylinder 2 is provided with a chute matched with the sliding block 431, and the outer wall of the bottom side of the fixed cylinder 2 is provided with scales 21. By arranging the sliding block 431, the piston rod 43 can drive the sliding block 431 to move when moving, so that scales 21 corresponding to the sliding block 431 are different, the liquid medicine in the injection tube 41 can be conveniently and quantitatively pushed out, and the observation and operation of staff are facilitated.
The invention also provides a using method of the dental pulp treatment device, which comprises the following steps:
s1: checking the dental pulp treatment device in advance, and preparing an external flushing device and a negative pressure suction device;
the dental pulp treatment equipment is checked in advance, so that the equipment to be used can work normally, faults in the subsequent use process are avoided, and the treatment time is prevented from being delayed;
S2: sucking the liquid medicine into the medicine storing mechanism 4 through the driving piece 5 for storing, and then connecting external flushing equipment and negative pressure suction equipment to the flushing and sucking mechanism 3;
by pressing the wrench 51 on the driving piece 5, the wrench 51 drives the connecting plate 52 to linearly move in the handle 1, the connecting plate 52 drives the connecting rod 532 and the fixing plate 533 to linearly move along the fixing sleeve 22, so that the spring 534 is compressed, meanwhile, the connecting block 531 drives the piston rod 43 and the piston 42 to move backwards along the injection tube 41, negative pressure is generated inside the injection tube 41, the liquid medicine is sucked into the injection tube 41 through the infusion tube 44, then the tooth-shaped blocks 521 on the connecting plate 52 are meshed with the tooth-shaped strips in the movable cavity, at the moment, the connecting plate 52 is fixed, and the liquid medicine is stored in the medicine storage mechanism 4.
And then the pipeline of the external flushing equipment is inserted into the first channel 331, and the pipeline of the negative pressure suction equipment is inserted into the second channel 332, so that the pipeline is in a communicated state.
S3: the flushing device and the negative pressure suction device which are respectively arranged outside are communicated by adjusting the flushing and suction mechanism 3, and the affected part is flushed and sucked by the flushing and suction mechanism 3;
by starting the external flushing device and the negative pressure suction device, the flushing outer tube 31 and the suction inner tube 32 are aligned to the affected part, the affected part is flushed, and meanwhile, the suction inner tube 32 sucks the effusion in the oral cavity of the patient, so that the comfort of the oral cavity of the patient is improved, and meanwhile, the definition of the visual field is also improved.
S4: after the flushing and suction are finished, the driving part 5 is further driven to quantitatively push out the liquid medicine in the medicine storage mechanism 4, and the liquid medicine is uniformly coated on the affected part.
After the flushing and sucking operations are finished, the connecting plate 52 is gradually loosened, the connecting plate 52 is gradually reset, so that the connecting rod 532 and the connecting block 531 are driven to move forwards, the piston rod 43 and the piston 42 are driven to move forwards along the injection tube 41 for resetting, at the moment, the liquid medicine in the injection tube 41 is pushed out under the action of pressure and flows out through the infusion tube 44, the sliding block 431 on the piston rod 43 slides along the sliding groove on the fixed cylinder 2, the medical staff observes the pushed liquid medicine amount through the scales 22, and then the liquid medicine is uniformly smeared on an affected part through the coating piece 45 on the infusion tube 44, so that the purpose of accurately using medicine is achieved.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (1)

1. An endodontic treatment device, comprising: the device comprises a handle (1), a fixed cylinder (2) arranged on the handle (1) and connected with the handle (1) into an integrated structure, and a flushing and sucking mechanism (3) and a medicine storage mechanism (4) which are axially arranged inside the fixed cylinder (2) and extend to the outside of the fixed cylinder (2), wherein the flushing and sucking mechanism (3) is positioned above the medicine storage mechanism (4);
a driving piece (5) for quantitatively pushing out the liquid medicine in the medicine storage mechanism (4) is movably connected to the handle (1);
The flushing and sucking mechanism (3) comprises a flushing outer tube (31), an attracting inner tube (32) positioned in the flushing outer tube (31) and a connector (33) arranged at the end part of the fixed cylinder (2), the flushing outer tube (31) and the attracting inner tube (32) are axially arranged in the fixed cylinder (2) respectively and extend towards the direction of the fixed cylinder (2) away from the connector (33), a first channel (331) and a second channel (332) are respectively formed in the connector (33), the first channel (331) is communicated with the flushing outer tube (31), the second channel (332) is communicated with the attracting inner tube (32), and a blocking head (333) is detachably connected to the first channel (331) and the second channel (332);
The driving piece (5) comprises a spanner (51), a connecting plate (52) connected with the spanner (51) and an elastic reset piece (53) connected with the end part, far away from the spanner (51), of the connecting plate (52), the connecting plate (52) is movably connected with the handle (1), the elastic reset piece (53) is arranged on the inner wall of the fixed cylinder (2), and the connecting plate (52) is driven by the spanner (51) to push the elastic reset piece (53) to push out liquid medicine in the medicine storage mechanism (4);
The handle (1) is provided with a movable cavity matched with the connecting plate (52), the connecting plate (52) stretches into the movable cavity and is connected with the elastic reset piece (53), the bottom side edge of the connecting plate (52) is provided with a tooth-shaped block (521), and the movable cavity of the handle (1) is provided with a tooth-shaped strip matched with the tooth-shaped block (521);
The medicine storage mechanism (4) comprises a syringe (41) axially arranged in the fixed cylinder (2), a piston (42) arranged in the syringe (41), a piston rod (43) connected with the rear end of the piston (42), and an infusion tube (44) arranged at the end part of the fixed cylinder (2) and communicated with the syringe (41), wherein the end part of the piston rod (43) far away from the piston (42) is connected with the elastic reset piece (53);
An end of the infusion tube (44) remote from the injection tube (41) is provided with a coating (45);
The elastic reset piece (53) comprises a connecting block (531), a connecting rod (532), a fixing plate (533) and a spring (534) which are sequentially connected, wherein the end part, away from the wrench (51), of the connecting plate (52) is connected with the connecting rod (532), a fixing sleeve (22) is arranged on the inner wall of the fixing cylinder (2), the fixing plate (533) is connected with the bottom wall of the fixing sleeve (22) through the spring (534), the size of the fixing plate (533) is matched with the inner diameter of the fixing sleeve (22), and the end part, away from the piston (42), of the piston rod (43) is connected with the connecting block (531);
A sliding block (431) is arranged on the piston rod (43), and the sliding block (431) penetrates through the side wall of the fixed cylinder (2) and is in sliding connection with the fixed cylinder (2);
a chute matched with the sliding block (431) is formed in the bottom side of the fixed cylinder (2), and scales (21) are formed in the outer wall of the bottom side of the fixed cylinder (2);
the spanner drives the connecting plate to linearly move in the handle by pressing the spanner on the driving piece, the connecting plate drives the connecting rod and the fixing plate to linearly move along the fixing sleeve, so that the spring is compressed, meanwhile, the connecting block drives the piston rod and the piston to move backwards along the injection tube, negative pressure is generated in the injection tube at the moment, liquid medicine is sucked into the injection tube through the infusion tube, then the tooth-shaped blocks on the connecting plate are meshed with the tooth-shaped strips in the movable cavity, at the moment, the connecting plate is fixed, and the liquid medicine is stored in the medicine storage mechanism;
then the pipeline of the external flushing equipment is spliced with the first channel, and the pipeline of the negative pressure suction equipment is spliced with the second channel, so that the pipeline is in a communicating state;
The external flushing device and the negative pressure suction device are started, the flushing outer tube and the suction inner tube are aligned to the affected part, the affected part is flushed, and meanwhile, the suction inner tube (32) sucks effusion in the oral cavity of a patient;
After the flushing and sucking operation is finished, the connecting plate (52) is gradually loosened, the connecting plate (52) is gradually reset, so that the connecting rod (532) and the connecting block (531) are driven to move forwards, the piston rod (43) and the piston (42) are driven to move forwards along the injection tube (41) for resetting, and at the moment, the liquid medicine in the injection tube (41) is pushed out under the action of pressure and flows out through the infusion tube (44).
CN202210642301.9A 2022-06-08 2022-06-08 Dental pulp treatment device and application method thereof Active CN114983601B (en)

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CN114983601B true CN114983601B (en) 2024-04-26

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Citations (5)

* Cited by examiner, † Cited by third party
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