Tooth pulp aspirator

By designing an automated rotating mounting head and a button-controlled transmission mechanism in the dental pulp suction device, combined with the interaction of the fastening head, extrusion block and control seat, the automatic rotation and rapid clamping of the root canal file is achieved, solving the problems of unstable and low efficiency of manual operation in the prior art, and improving the safety and efficiency of treatment.

CN222889035UActive Publication Date: 2025-05-23URUMQI STOMATOLOGICAL HOSPITAL
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Patent Information

Application Number
CN202421798034.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-29
Publication Date
2025-05-23
Estimated Expiration
2034-07-29

AI Technical Summary

Technical Problem

When using existing dental pulp aspirators, doctors need to manually rotate the root canal file back and forth, making it difficult to ensure that the root canal file is in the correct position, which increases the risk of disengagement and lacks automatic rotation function, limits operating efficiency.

Method used

A tooth pulp suction device is designed, using the rotation design of the mounting head on the handle, and combined with a button-controlled transmission mechanism to realize the automatic rotation of the root canal file. The fastening head, extrusion block and control seat interaction enables rapid clamping and release of the root canal file, and is equipped with airbags and suction tubes to provide a stable source of suction power.

Benefits of technology

The automatic rotation of the root canal file is achieved, which reduces the operating burden of the doctor, improves the stability and accuracy of the rotation, reduces the risk of the root canal file leaving the root canal, improves the safety and efficiency of treatment, and improves the cleanliness of the treatment environment, and reduces the patient's discomfort.

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Abstract

The utility model relates to the field of dental medical instruments, and discloses a tooth and pulp aspirator which comprises a handle, an aspirator body and an aspirator body, the mounting head is mounted at one end of the handle; the root canal file is mounted at one end of the mounting head and is used for cleaning dental pulp and degenerative and necrotic tissues in a root canal; the mounting head comprises a mounting groove, the mounting groove is formed in one end of the mounting head, and one end of the root canal file is connected into the mounting groove. According to the root canal file, through the rotary design of the mounting head on the handle, automatic rotation of the root canal file is achieved, the operation burden of a doctor is relieved, the stability and accuracy of rotation of the root canal file in a root canal are improved, the doctor can concentrate on treatment, and the treatment effect is improved. The air bag and the suction pipe provide a stable suction power source for the treatment process, and in the rotary cleaning process of the root canal file, the suction pipe can suck away the cleaned dental pulp and residues in time.
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Description

Technical Field

[0001] The utility model relates to the field of dental medical instruments, in particular to a tooth pulp aspirator. Background Art

[0002] The dental pulp aspirator is an important device in the field of medical device technology. It is mainly used to extract dental pulp and remove saliva, blood, residues and other secretions in the oral cavity during dental treatment. It can extract dental pulp or remove secretions in the oral cavity through the principle of negative pressure or mechanical means.

[0003] After searching, the publication number is: CN116849842B discloses a dental pulp aspirator, including a root file body, a hand-held tube and a connecting assembly, the outer periphery of the root file body is provided with a barb for hooking the dental pulp; one end of the hand-held tube is connected to the root file body, and a first through hole is opened on the outer wall close to the root file body, a hollow tube is inserted into the first through hole, the hollow tube is connected to the suction tube, and the other end of the hand-held tube is connected to an air pump to deliver or extract air into the hand-held tube; the connecting assembly is arranged in the hand-held tube and is detachably connected to the hand-held tube, the connecting assembly is connected to the root file body, and the connecting assembly is used to reciprocate in the hand-held tube driven by the air pump to drive the root file body to reciprocate.

[0004] When using the existing dental pulp aspirator, the doctor usually needs to manually rotate it back and forth to clean the pulp tissue in the root canal. During the rotation process, due to the complex shape of the root canal and the difficulty in viewing it directly, the doctor often finds it difficult to ensure that the root canal file always remains in the correct position, which increases the risk of the root canal file detaching from the root canal. The manual rotation of the root canal file also limits the operating efficiency, and the aspirator lacks the function of being directly combined with the root canal file. During the treatment process, the doctor needs to frequently change tools, which not only increases the complexity of the operation but also reduces the treatment efficiency. Utility Model Content

[0005] In order to solve the above-mentioned problems, the present invention is implemented through the following technical solutions:

[0006] A dental pulp aspirator comprises: a handle; a mounting head mounted at one end of the handle; a root canal file mounted at one end of the mounting head and used for cleaning the dental pulp and degenerated and necrotic tissue in the root canal; the mounting head comprises a mounting groove, the mounting groove is opened at one end of the mounting head, one end of the root canal file is connected to the mounting groove, the mounting head is configured to rotate on the handle and used for cleaning the dental pulp and degenerated and necrotic tissue in the root canal; a button is mounted on the handle and configured to move on the handle and used for controlling the rotation of the mounting head when the button is pressed.

[0007] The handle comprises: a groove, which is provided on the handle, and the button is connected in the groove; an air bag, which is installed at one end of the handle; and a suction tube, one end of which is installed on the air bag and is used for sucking the dental pulp.

[0008] The button includes: a rack installed on the button; a rotating rod, one end of which passes through the side wall of the groove and extends to the outside of the handle, and the mounting head is installed on the rotating rod; a gear arranged in the groove, the other end of the rotating rod is connected to the gear, and the gear is connected to the rack.

[0009] The button further comprises: a first elastic member, one end of which is connected to the side wall of the groove, and the other end of which is connected to the button, and is used to provide a restoring force for the button to its initial position.

[0010] The mounting head further comprises: a plurality of fastening heads, which are arranged in the mounting groove and are arranged to simultaneously approach or move away from the center of the mounting groove, and are used to clamp and fix the root canal file when approaching the center of the mounting groove; and a control seat, which is arranged to move on the mounting head and is used to control the movement of the fastening heads when moving.

[0011] The mounting head also includes: a plurality of connecting holes, which are opened on the inner wall of the mounting groove and distributed in a circular array, and the fastening head is connected in the connecting holes; a plurality of extrusion blocks, which are installed on the control seat and distributed in a circular array, and the extrusion block is set in the connecting hole, and the fastening head is in contact with the extrusion block; a second elastic member, one end of which is connected to the inner wall of the connecting hole and the other end is connected to the extrusion block, and the second elastic member is used to provide a restoring force for the initial position of the extrusion block and the control seat.

[0012] A side of the fastening head close to the extrusion block is formed with an inclined surface.

[0013] The control seat is projected in a circular shape.

[0014] The utility model provides a dental pulp aspirator. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The rotating design of the mounting head on the handle, combined with the button-controlled transmission mechanism, realizes the automatic rotation of the root canal file, which not only reduces the doctor's operating burden, but also improves the stability and accuracy of the root canal file's rotation in the root canal, reduces the risk of the root canal file being out of the root canal due to improper manual rotation, and improves the safety of treatment.

[0016] 2. The automatic rotation function significantly reduces the number of times the doctor needs to manually rotate the root canal file back and forth during the treatment process, allowing the doctor to focus more on the treatment itself rather than tedious manual operations. Through the interaction of components such as the fastening head, extrusion block and control seat, the root canal file can be quickly clamped and released, simplifying the process of replacing the root canal file, and the replacement of the root canal file can be easily completed.

[0017] 3. The equipped air bag and suction tube provide a stable suction power source for the treatment process. During the rotation and cleaning process of the root canal file, the suction tube can immediately suck away the cleaned pulp and residues, avoiding the accumulation and diffusion of these substances in the oral cavity, improving the cleanliness of the treatment environment, and also reducing the patient's discomfort during the treatment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure proposed by the utility model.

[0019] Figure 2 This is a structural schematic diagram of the handle, button, mounting head and control seat proposed by the utility model.

[0020] Figure 3 This is a schematic cross-sectional structure diagram of the handle, button, mounting head and control seat proposed by the utility model.

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the mounting head, the fastening head, the extrusion block and the control seat proposed in the utility model.

[0022] The reference numerals in the figure are:

[0023] 1. handle; 101. groove; 102. air bag; 103. suction tube;

[0024] 2. button; 201. rack; 202. first elastic member; 203. rotating rod; 204. gear;

[0025] 3. Mounting head; 301. Mounting groove; 302. Fastening head; 303. Connecting hole; 304. Extrusion block; 305. Second elastic member;

[0026] 4. Control seat;

[0027] 5. Root canal files. DETAILED DESCRIPTION

[0028] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the protection scope of the present invention.

[0029] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0030] Reference Figure 1-Figure 4 A dental pulp aspirator, comprising: a handle 1, which serves as the operating basis of the entire aspirator. The handle 1 is designed to be easy for the doctor to hold, provides a stable and comfortable operating platform, and ensures that the movement and strength of the aspirator can be accurately controlled during the treatment process; a mounting head 3, which is mounted at one end of the handle 1. The mounting head 3 is designed to allow a root canal file 5 to be quickly installed and removed, which is convenient for replacing root canal files 5 of different specifications or wear. The fastening mechanism in the mounting groove 301 ensures the stability of the root canal file 5 during the rotation process, prevents it from falling off or shaking, and improves the safety and efficiency of the treatment; the root canal file 5, which is mounted at one end of the mounting head 3, is used to clean the pulp and degenerative necrotic tissue in the root canal. The root canal file 5 integrated in the mounting head 3 is not only used to aspirate the pulp, but also has a cleaning function, which can effectively remove the pulp and degenerative necrotic tissue in the root canal during the rotation process, reduce the treatment steps, and improve the treatment effect; the mounting head 3 includes a mounting groove 301, which is opened at one end of the mounting head 3, and one end of the root canal file 5 is connected to the mounting groove 301. The mounting head 3 is configured to be mounted on the handle 1. The handle 1 is rotated to clean the pulp and degenerative necrotic tissue in the root canal; the button 2 is installed on the handle 1 and is configured to move on the handle 1 to control the rotation of the mounting head 3 when the button 2 is pressed; the handle 1 includes: a groove 101, which is opened on the handle 1, and the button 2 is connected in the groove 101. The pressing operation of the button 2 is converted into the rotational movement of the mounting head 3 through the rack 201, the rotating rod 203, and the gear 204, thereby realizing the simplification and automation of the operation. The first elastic member 202 ensures that the button 2 is in operation. After that, it can be quickly reset to prepare for the next press, which improves the smoothness and continuity of the operation; the airbag 102 is installed at one end of the handle 1; the suction tube 103, one end of which is installed on the airbag 102, is used to suction the dental pulp. The airbag 102 serves as a suction power source and is connected through the suction tube 103, thereby realizing the instant suction of the cleaned dental pulp and residues, avoiding the trouble of frequent tool replacement in traditional methods, and improving the treatment efficiency. The flexible design of the airbag 102 makes the suction process smoother and reduces the stimulation to the patient.

[0031] Reference Figure 3The button 2 includes: a rack 201, which is installed on the button 2; a rotating rod 203, one end of which passes through the side wall of the groove 101 and extends to the outside of the handle 1, and the mounting head 3 is installed on the rotating rod 203; a gear 204, which is arranged in the groove 101, and the other end of the rotating rod 203 is connected to the gear 204, and the gear 204 is connected to the rack 201; a first elastic member 202, one end of which is connected to the side wall of the groove 101, and the other end is connected to the button 2, for providing a restoring force for the button 2 to the initial position.

[0032] Reference Figure 4 The mounting head 3 also includes: a plurality of fastening heads 302, which are arranged in the mounting groove 301 and are arranged to approach or move away from the center of the mounting groove 301 at the same time, and are used to clamp and fix the root canal file 5 when approaching the center of the mounting groove 301; a control seat 4, which is installed on the mounting head 3, and the control seat 4 is arranged to move on the mounting head 3, and is used to control the movement of the fastening head 302 when moving, and the projection shape of the control seat 4 is a circular ring; a plurality of connecting holes 303, which are opened on the inner wall of the mounting groove 301 and are distributed in a circumferential array, and the fastening head 302 is connected to the connecting hole 303, and a side of the fastening head 302 close to the extrusion block 304 is formed with an inclined surface; a plurality of extrusion blocks 304, which are installed on the control seat 4 and are distributed in a circumferential array, and the extrusion block 304 is arranged in the connecting hole 303, and the fastening head 302 contacts the extrusion block 304; a second elastic member 305, one end of which is connected to It is connected to the inner wall of the connecting hole 303, and the other end is connected to the extrusion block 304. The second elastic member 305 is used to provide a restoring force for the extrusion block 304 and the control seat 4 to the initial position. By controlling the movement of the seat 4 on the mounting head 3 and utilizing the interaction between the extrusion block 304 and the fastening head 302, the root canal file 5 is quickly clamped and released. Under the action of the extrusion block 304, the fastening head 302 simultaneously approaches the center of the mounting groove 301, ensuring the firm fixation of the root canal file 5. The second elastic member 305 ensures that the control seat 4 and the extrusion block 304 can automatically return to the initial position when no clamping is required, so as to prepare for the next clamping operation. This design not only simplifies the process of replacing the root canal file 5, but also improves the stability and reliability of the clamping. The second elastic member 305 and the first elastic member 202 are both made of stainless steel springs, and can also be made of elastic rubber.

[0033] During use, a suitable root canal file 5 is selected, and the control seat 4 is moved. The control seat 4 applies pressure in the direction of the handle 1, and the control seat 4 drives the extrusion block 304 to move in the connecting hole 303. After the extrusion block 304 is separated from the fastening head 302, the extrusion of the fastening head 302 can be cancelled, and one end of the root canal file 5 is aligned with the mounting groove 301 of the mounting head 3 and pushed in. After the control seat 4 is released, the second elastic member 305 can drive the extrusion block 304 and the control seat 4 to reset, and the extrusion block 304 squeezes the fastening head 302, so that the fastening head 302 moves and clamps the root canal file 5 in the mounting groove 301. The doctor holds the handle 1 and aligns the root canal file 5 with the patient's tooth root canal. Entrance, adjust the angles of the handle 1 and the mounting head 3 to ensure that the root canal file 5 can smoothly enter the root canal, the doctor presses the button 2 on the handle 1, and the rack 201 on the button 2 moves accordingly, and the movement of the rack 201 is transmitted to the rotating rod 203 through the gear 204, and the rotating rod 203 drives the mounting head 3 and the root canal file 5 to rotate. The root canal file 5 cleans and removes the pulp and degenerated necrotic tissue in the root canal during the rotation process, and the handle 1 is changed. The airbag 102 is used as a suction power source to immediately suck away the cleaned pulp and residues through the suction tube 103 to avoid accumulation in the oral cavity, and the above steps are repeated until the pulp and degenerated necrotic tissue in the root canal are completely cleaned.

[0034] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0035] By means of the rotating design of the mounting head 3 on the handle 1, combined with the transmission mechanism controlled by the button 2, the automatic rotation of the root canal file 5 is achieved, which not only reduces the operating burden of the doctor, but also improves the stability and accuracy of the rotation of the root canal file 5 in the root canal, reduces the risk of the root canal file 5 being out of the root canal due to improper manual rotation, and improves the safety of treatment.

[0036] The automatic rotation function significantly reduces the number of times the doctor needs to manually rotate the root canal file 5 back and forth during the treatment process, allowing the doctor to focus more on the treatment itself rather than tedious manual operations. Through the interaction of the fastening head 302, the extrusion block 304, the control seat 4 and other components, the root canal file 5 is quickly clamped and released, which simplifies the process of replacing the root canal file 5 and can easily complete the replacement of the root canal file 5.

[0037] The equipped air bag 102 and suction tube 103 provide a stable suction power source for the treatment process. During the rotation and cleaning process of the root canal file 5, the suction tube 103 can instantly suck away the cleaned pulp and residues, avoiding the accumulation and diffusion of these substances in the oral cavity, improving the cleanliness of the treatment environment, and also reducing the patient's discomfort during the treatment process.

[0038] Thus, although the present invention has been described herein with reference to specific embodiments thereof, freedom of modification, various changes and substitutions are also within the above disclosure, and it should be understood that in some cases, some features of the present invention will be adopted without corresponding use of other features without departing from the scope and spirit of the proposed utility model. Therefore, many modifications can be made to adapt specific environments or materials to the essential scope and spirit of the present utility model. The present utility model is not intended to be limited to the specific terms used in the claims below and / or the specific embodiments disclosed as the best mode for carrying out the present utility model, but the present utility model will include any and all embodiments and equivalents falling within the scope of the appended claims. Therefore, the scope of the present utility model will be determined solely by the appended claims.

Claims

1. A dental pulp aspirator, characterized in that: include: Handle (1); A mounting head (3) mounted on one end of the handle (1); A root canal file (5) mounted on one end of the mounting head (3) and used for cleaning the dental pulp and degenerated and necrotic tissue in the root canal; The mounting head (3) comprises a mounting groove (301), wherein the mounting groove (301) is formed at one end of the mounting head (3), one end of the root canal file (5) is connected to the mounting groove (301), and the mounting head (3) is configured to rotate on the handle (1); A button (2) is mounted on the handle (1) and is configured to move on the handle (1) so as to control the rotation of the mounting head (3) when the button (2) is pressed.

2. The dental pulp aspirator according to claim 1, characterized in that: The handle (1) comprises: A groove (101) is formed on the handle (1), and the button (2) is connected in the groove (101); An air bag (102) mounted on one end of the handle (1); A suction tube (103) has one end mounted on the air bag (102) and is used for suctioning the dental pulp.

3. The dental pulp aspirator according to claim 2, characterized in that: The button (2) comprises: A rack (201) mounted on the button (2); A rotating rod (203), one end of which penetrates through the side wall of the groove (101) and extends to the outside of the handle (1), and the mounting head (3) is mounted on the rotating rod (203); A gear (204) is arranged in the groove (101); the other end of the rotating rod (203) is connected to the gear (204); and the gear (204) is connected to the rack (201).

4. The dental pulp aspirator according to claim 2, characterized in that The button (2) further comprises: A first elastic member (202) has one end connected to the side wall of the groove (101) and the other end connected to the button (2), and is used to provide a restoring force for the button (2) to return to its initial position.

5. The dental pulp aspirator according to claim 1, characterized in that: The mounting head (3) further comprises: A plurality of fastening heads (302) are arranged in the installation groove (301) and are arranged to simultaneously approach or move away from the center of the installation groove (301) so as to clamp and fix the root canal file (5) when approaching the center of the installation groove (301); A control seat (4) is mounted on the mounting head (3); the control seat (4) is configured to move on the mounting head (3) and is used to control the movement of the fastening head (302) when moving.

6. The dental pulp aspirator according to claim 5, characterized in that: The mounting head (3) further comprises: A plurality of connection holes (303) are formed on the inner wall of the installation groove (301) and are distributed in a circular array, and the fastening head (302) is connected to the connection hole (303); A plurality of extrusion blocks (304) are mounted on the control seat (4) and distributed in a circumferential array, the extrusion blocks (304) are arranged in the connection holes (303), and the fastening heads (302) are in contact with the extrusion blocks (304); The second elastic member (305) has one end connected to the inner wall of the connection hole (303) and the other end connected to the extrusion block (304), and the second elastic member (305) is used to provide a restoring force for the initial position of the extrusion block (304) and the control seat (4).

7. The dental pulp aspirator according to claim 6, characterized in that: A slope is formed on one side of the fastening head (302) close to the extrusion block (304).

8. The dental pulp aspirator according to claim 5, characterized in that: The control seat (4) has a projected shape of a circular ring.

Citation Information

Patent Citations

  • A dental pulp aspirator

    CN116849842B