Bone pullout needle

Abstract

The utility model discloses a broach which comprises a needle handle, a detachable needle body is installed on the end portion of the needle handle, an installation head used for installing the needle body is arranged on the end portion of the needle handle, a fixing seat matched with the installation head is arranged on the installation head, the needle body is composed of an installation end and a broach pulling end, and the installation end and the broach pulling end are arranged on the fixing seat. An arc-shaped design is adopted between the mounting end and the marrow pulling end, a plurality of barbs which are arranged at equal intervals are arranged on the marrow pulling end, the convenience is increased when a patient is treated by a user through the mounting end and the marrow pulling end which are connected in an arc-shaped mode, and an anti-skid sleeve is further arranged on the needle handle. According to the utility model, not only is the use convenience of the needle body increased by arranging the needle handle, but also the needle body which can be conveniently detached is arranged, so that after use, the needle body only needs to be detached and discarded, and then the needle handle is disinfected for use, thereby avoiding the waste caused by direct discarding, and further improving the practicability of the needle.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the extraction of dental pulp, particularly relates to an extraction of dental pulp. BACKGROUND

[0002] Extraction of dental pulp, also known as root canal treatment needle, is often used as a tool in the process of tooth root canal treatment. Its main function is to remove infected tissue in the tooth and remove bacteria in the dental pulp and root canal to treat tooth infection or pain. The extraction of dental pulp is usually made of stainless steel, with a slender handle and a sharp tip. The tip is usually divided into two parts, a surgical cutter and a needle tip. The surgical cutter part has a sharp triangular or hook-shaped cutting edge, which can be used for cutting and removing dental pulp tissue. The needle tip part has a sharp tip for removing bacteria and infected tissue in the root canal.

[0003] A kind of extraction of dental pulp is disclosed in Chinese patent with publication number CN201175386Y, it includes handle, needle body and burr, the handle is placed at the end of the needle body, the burr is placed at the front end of the needle body, the needle body is curved into arc shape. The extraction of dental pulp of the utility model has reasonable structure, novel design, is suitable for accurate treatment when filling tooth in stomatology, since it is designed as arc shape, the damage to other parts in oral cavity is reduced;

[0004] A kind of extraction of dental pulp for tooth root canal treatment is disclosed in Chinese patent with publication number CN219000616U, including needle body, the bottom of needle body is fixed with extraction sharp cone part, the outer side of extraction sharp cone part is provided with multiple barbs, the barb is provided with stabilizing structure, stabilizing structure is used to prevent barb fracture, stabilizing structure includes connecting arc surface, connecting arc surface is arranged at the bottom of barb and close to one side of extraction sharp cone part, barb and extraction sharp cone part are fixedly connected by connecting arc surface, the outer side of extraction sharp cone part and the inner side of barb are fixed with reinforcing rib, and reinforcing rib is connected with the inner side of barb, barb is also installed with hooking assembly, hooking assembly is used to assist barb to hook object, hooking assembly includes multiple auxiliary barbs, and auxiliary barb is arranged on the outer side of barb.

[0005] Although the above technical solutions solve the corresponding technical problems, the above technical solutions still have the following defects:

[0006] The extraction of dental pulp of the above technical solutions is not convenient for disassembling needle head, so needle head needs to be discarded together with needle handle after use, thereby increasing use cost. UTILITY MODEL CONTENT

[0007] The utility model discloses a purpose is to provide a kind of extraction needle, not only by setting needle handle increases the convenience of using to needle body, and by setting the needle body of convenient disassembly, only needs to be disassembled after use, and discard, then needle handle is used after disinfection, avoid the waste caused by direct discard, to improve the practicality of the utility model.

[0008] In order to achieve the above purpose, the utility model discloses an embodiment provides an extraction needle, comprising: needle handle, the end of the needle handle is detachably mounted with a needle body, the end of the needle handle is provided with a mounting head for mounting the needle body, and the mounting head is provided with a fixing seat matched with the mounting head.

[0009] The above-mentioned extraction needle, wherein the needle body is composed of a mounting end and an extraction end, the mounting end and the extraction end are arc-shaped, and a plurality of barbs are arranged at equal distances on the extraction end.

[0010] The needle handle is further provided with an anti-skid sleeve, which increases the stability of the user holding the needle handle.

[0011] The above-mentioned extraction needle, wherein the mounting head comprises a mounting seat fixedly connected to the end of the needle handle, and a plurality of elastic clamping pieces are fixedly connected to the side surface of the mounting seat at equal distances.

[0012] The above-mentioned extraction needle, wherein the fixing seat comprises a screwing sleeve matched with the elastic clamping pieces.

[0013] The above-mentioned extraction needle, wherein the inner wall of the screwing sleeve is designed in a circular truncated cone shape.

[0014] The above-mentioned extraction needle, wherein an inner thread is formed in the inner wall of the screwing sleeve, and an outer thread matched with the inner thread is formed in the elastic clamping piece.

[0015] The above-mentioned extraction needle, wherein a through hole matched with the mounting end is formed in the side surface of the screwing sleeve, which provides space for the mounting end to pass through.

[0016] The above-mentioned extraction needle, wherein an anti-skid rubber sheet is arranged on the inner wall of the elastic clamping piece, which increases the stability of clamping the mounting end.

[0017] The utility model has at least the following beneficial effects:

[0018] In the utility model, the pull-out nerve needle is convenient to use, the needle body can be conveniently disassembled, the needle body is disassembled and discarded after use, the needle handle is used after sterilization, the waste caused by direct discarding is avoided, and the practicability of the utility model is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0020] Figure 1 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0021] Figure 2 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0022] Figure 3 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0023] Figure 4 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0024] Figure 5 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0025] Figure 6 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0026] Figure 7 It is the structure schematic diagram of pull-out nerve needle of the utility model;

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, needle handle;2, needle body;

[0029] 201, mounting end;202, pull-out nerve end;2021, barb;

[0030] 101, anti-skid sleeve;

[0031] 102, mounting head;1021, mounting seat;1022, elastic clamping piece;1023, external thread;1024, anti-skid rubber sheet;

[0032] 103, fixed seat;1031, screwing sleeve;1032, through opening;1033, internal thread. DETAILED DESCRIPTION

[0033] The embodiments of the present application will be described in detail below with the accompanying drawings and embodiments, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0034] Please refer to Figures 1 to 7 The embodiment of the utility model provides a kind of extraction needle, comprising: needle handle 1, the end of needle handle 1 is detachably installed needle body 2, the end of needle handle 1 is provided with the installation head 102 for installing needle body 2, installation head 102 is provided with the fixed seat 103 matched with installation head 102 for use;

[0035] By using the above technical scheme, not only the convenience of using needle body 2 is increased by setting needle handle 1, but also the needle body 2 can be conveniently disassembled after use, and then the needle handle 1 is sterilized and used again, avoiding waste caused by direct disposal, thereby improving the practicability of the utility model.

[0036] Please refer to Figures 1 to 7 As shown in the figure, needle body 2 is composed of mounting end 201 and extraction end 202, and the mounting end 201 and the extraction end 202 are designed in an arc shape, and a plurality of barbs 2021 are arranged at equal distances on the extraction end 202, and the arc-shaped mounting end 201 and extraction end 202 increase the convenience of the user when treating the patient.

[0037] Among them, anti-skid sleeve 101 is further provided on needle handle 1, which increases the stability of the user holding needle handle 1.

[0038] Please refer to Figures 1 to 7 As shown in the figure, mounting head 102 includes mounting seat 1021 fixedly connected to the end of needle handle 1, and a plurality of elastic clamping pieces 1022 are fixedly connected to the side surface of mounting seat 1021 at equal distances, and the plurality of elastic clamping pieces 1022 can conveniently clamp mounting end 201, thereby improving the convenience of mounting needle body 2 to the end of needle handle 1.

[0039] Please refer to Figures 1 to 7 As shown in the figure, fixed seat 103 includes screwing sleeve 1031 matched with elastic clamping piece 1022.

[0040] Please refer to Figures 1 to 7 As shown in the figure, the inner wall of screwing sleeve 1031 is designed in a circular truncated cone shape.

[0041] Please refer to Figures 1 to 7As shown, the inner wall of the screw sleeve 1031 is provided with an internal thread 1033, and the elastic clamping piece 1022 is provided with an external thread 1023 matched with the internal thread 1033. By rotating the screw sleeve 1031 and under the thread action of the internal thread 1033 and the external thread 1023, the screw sleeve 1031 is driven to move to the right, so that the plurality of elastic clamping pieces 1022 can be squeezed inward under the action of the circular table design of the inner wall of the screw sleeve 1031, thereby achieving stable fixing of the needle body 2.

[0042] Please refer to Figures 1 to 7 As shown, the side surface of the screw sleeve 1031 is provided with a through hole 1032 matched with the mounting end 201, and the through hole 1032 provides space for the mounting end 201 to pass through.

[0043] Please refer to Figures 1 to 7 As shown, the inner wall of the elastic clamping piece 1022 is provided with an anti-skid rubber sheet 1024, which increases the stability of clamping the mounting end 201.

[0044] The working principle of the utility model is: not only by setting needle handle 1, when installing, the mounting end 201 passes through the elastic clamping piece 1022 and is inserted between the plurality of elastic clamping pieces 1022, then by rotating the screw sleeve 1031 and under the thread action of the internal thread 1033 and the external thread 1023, the screw sleeve 1031 is driven to move to the right, so that the plurality of elastic clamping pieces 1022 can be squeezed inward under the action of the circular table design of the inner wall of the screw sleeve 1031, thereby achieving stable fixing of the needle body 2, thereby increasing the convenience of using the needle body 2, after use, only need to loosen the mounting seat 1021, and make the elastic clamping piece 1022 separate the clamping of the mounting end 201, so that the needle body 2 can be disassembled and discarded, then the needle handle 1 is disinfected and used again, avoiding the waste caused by direct disposal, thereby improving the practicability of the utility model.

[0045] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept disclosed herein by the above teaching or related technology or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. An extractor needle comprising a needle handle (1), characterized in that The end of the needle handle (1) is detachably mounted with a needle body (2), and the end of the needle handle (1) is provided with a mounting head (102) for mounting the needle body (2), and the mounting head (102) is provided with a fixing seat (103) used in cooperation with the mounting head (102).

2. A dental broach according to claim 1, wherein: The needle body (2) is composed of a mounting end (201) and a pulp extraction end (202), and the pulp extraction end (202) is provided with a plurality of barbs (2021) arranged at equal distances.

3. A dental broach according to claim 2, wherein: The mounting head (102) comprises a mounting seat (1021) fixedly connected to the end of the needle handle (1), and the side surface of the mounting seat (1021) is fixedly connected with a plurality of elastic clamping pieces (1022) arranged at equal distances.

4. A dental broach according to claim 3, wherein: The fixing seat (103) comprises a screwing sleeve (1031) matched with the elastic clamping pieces (1022).

5. A dental broach according to claim 4, wherein: The inner wall of the screwing sleeve (1031) is designed in a circular truncated cone type.

6. A dental broach according to claim 5, wherein: An internal thread (1033) is formed on the inner wall of the screwing sleeve (1031), and an external thread (1023) matched with the internal thread (1033) is formed on the elastic clamping piece (1022).

7. A dental broach according to claim 6, wherein: A through hole (1032) matched with the mounting end (201) is formed on the side surface of the screwing sleeve (1031).

8. A dental broach according to claim 7, wherein: An antiskid rubber sheet (1024) is arranged on the inner wall of the elastic clamping piece (1022).

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