阅读说明：本技术 一种多功能伸缩式根管测量仪 (Multi-functional telescopic root canal measuring apparatu ) 是由 王洪英 唐金菊 杨金玲 杨帆 徐文卉 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种多功能伸缩式根管测量仪,属于医疗器械技术领域,测量仪本体的一端固定连接有径向对称的固定板,固定板的侧面套接有短杆,短杆的一端表面通过螺纹连接有螺纹套,短杆的表面套接有固定齿轮,固定齿轮的表面固定连接有连接管,连接管的一端开设有收纳孔,收纳孔的内壁通过螺纹连接有螺纹块,该多功能伸缩式根管测量仪通过设置的卡块和固定齿轮,使得根管扩大针具有调节倾斜角度的功能,而且根管扩大针具有伸缩的功能,给使用者带来了极大的使用便利性和舒适性,并且设置的口腔挂片不仅提高了其使用安全性,而且通过设置的导电条保证了其导电性,同时还具有分拆组合的功能,方便进行组装和后期的单独更换。(The invention discloses a multifunctional telescopic root canal measuring instrument, belonging to the technical field of medical instruments, wherein one end of a measuring instrument body is fixedly connected with a radially symmetrical fixed plate, the side surface of the fixed plate is sleeved with a short rod, the surface of one end of the short rod is connected with a threaded sleeve through threads, the surface of the short rod is sleeved with a fixed gear, the surface of the fixed gear is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a containing hole, the inner wall of the containing hole is connected with a threaded block through threads, the multifunctional telescopic root canal measuring instrument enables a root canal expanding needle to have the function of adjusting the inclination angle through the arranged clamping block and the fixed gear, the root canal expanding needle has the telescopic function, great use convenience and comfort are brought to a user, the use safety of the multifunctional telescopic root canal measuring instrument is improved through the arranged oral hanging piece, and the electrical conductivity of the multifunctional telescopic root canal expanding needle is ensured through the arranged conducting bar, simultaneously still have the function of the combination of disassembling and assembling, conveniently assemble and the independent change in later stage.)

1. The utility model provides a multi-functional telescopic root canal measuring apparatu, includes measuring apparatu body (1), its characterized in that: the measuring instrument comprises a measuring instrument body (1), wherein one end of the measuring instrument body (1) is fixedly connected with a radially symmetrical fixing plate (2), the side face of the fixing plate (2) is sleeved with a short rod (21), the surface of one end of the short rod (21) is connected with a threaded sleeve (11) through threads, the surface of the short rod (21) is sleeved with a fixed gear (3), the surface of the fixed gear (3) is fixedly connected with a connecting pipe (43), one end of the connecting pipe (43) is provided with a containing hole (44), the inner wall of the containing hole (44) is connected with a threaded block (42) through threads, one end of the threaded block (42) is fixedly connected with a root canal enlargement needle (4), the surface of the fixed gear (3) is clamped with a clamping block (5), the surface of the clamping block (5) is provided with symmetrical clamping teeth (51), and one surface of the clamping block (5) is sleeved with a spring (54) through a mounting hole (53), the other end of measuring apparatu body (1) is through last adapter sleeve (13) fixedly connected with wire (6), adapter sleeve (61) under the other end fixedly connected with of wire (6), there is oral cavity lacing film (7) one end of adapter sleeve (61) down through threaded connection, the one end fixedly connected with anchorage bar (73) of oral cavity lacing film (7), conducting strip (74) have been plated on the surface of oral cavity lacing film (7).

2. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the anti-skidding groove (12) that the annular equidistance distributes are seted up on the surface of thread bush (11), a side of thread bush (11) is equipped with the extrusion portion, the surface of the extrusion portion that thread bush (11) set up contacts the extrusion with the side of fixed plate (2).

3. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the shape of screw thread piece (42) is cylindrical, and the surface has seted up the external screw thread, the inner wall of accomodating hole (44) is seted up with screw thread piece (42) external screw thread assorted internal thread, the external diameter of screw thread piece (42) is greater than the biggest external diameter of root canal expansion needle (4).

4. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the surface of root canal enlargement needle (4) is equipped with scale mark (41), scale mark (41) divide into one millimeter scale, five millimeters scales and a centimetre scale, one millimeter scale, five millimeters scales and a centimetre scale that scale mark (41) set up are black, yellow and red respectively.

5. The multi-functional telescopic endodontic instrument according to claim 1, wherein: an anti-falling groove (14) is formed in one end of the measuring instrument body (1), the inner wall of the anti-falling groove (14) is in contact connection with the surface of one end of the spring (54), and the anti-falling groove (14) and the mounting hole (53) are concentric and coaxial.

6. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the side surface of the clamping block (5) is detachably connected with a sliding rod (52), one end surface of the sliding rod (52) is connected with a sliding groove (22) in a sliding mode, and the cross sections of the sliding groove (22) and the sliding rod (52) are square.

7. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the surface of the fastening rod (73) is provided with external threads, and one end face of the lower connecting sleeve (13) is provided with an internal thread hole matched with the external threads of the fastening rod (73).

8. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the oral cavity hanging piece (7) is made of an elastic stainless steel sheet, and a hanging opening (72) is formed in a bending part of the oral cavity hanging piece (7).

9. The multi-functional telescopic endodontic instrument according to claim 1, wherein: the inner walls of the lower connecting sleeve (61) and the upper connecting sleeve (13) are made of conductive metal.

10. The multi-functional telescopic endodontic instrument according to claim 1, wherein: one end of the oral cavity hanging piece (7) is provided with a rolling part (71).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a multifunctional telescopic root canal measuring instrument.

Background

The root canal length is a parameter which is often measured by dentists, and in the modern medical industry, particularly in the field of oral medicine, very high requirements are placed on the performance and size of auxiliary tools.

But its root canal enlarged needle of current multi-functional root canal measuring instrument is fixed connection mostly with between the measuring apparatu, need the crooked just can conveniently use it of user's hand in the use, but the hand keeps crooked for a long time, not only hard, and also be convenient for operate the root canal enlarged needle, very big discomfort has been brought for the user, and the length of current root canal enlarged needle is mostly fixed, do not adjust its flexible length's function, also bring certain inconvenience for the user when in-service use, current multi-functional root canal measuring instrument wire is mostly fixed with the disease lip through the stainless steel couple simultaneously, the not only electric conductive property of stainless steel couple is poor, and very easily scratch the oral cavity of disease, for this reason, we have designed a multi-functional telescopic root canal measuring instrument, solve above-mentioned problem.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a multifunctional telescopic root canal measuring instrument, which has the function of adjusting the inclination angle of a root canal expanding needle through a clamping block and a fixed gear, has the telescopic function, brings great use convenience and comfort to a user, improves the use safety of the oral cavity hanging piece, ensures the conductivity of the oral cavity hanging piece through a conducting strip, has the functions of splitting and combining, and is convenient to assemble and replace independently in the later period.

In order to solve the above problems, the present invention adopts the following technical solutions.

A multifunctional telescopic root canal measuring instrument comprises a measuring instrument body, wherein one end of the measuring instrument body is fixedly connected with a radially symmetrical fixed plate, a short rod is sleeved on the side face of the fixed plate, one end surface of the short rod is connected with a threaded sleeve through threads, the surface of the short rod is sleeved with a fixed gear, the surface of the fixed gear is fixedly connected with a connecting pipe, one end of the connecting pipe is provided with a containing hole, the inner wall of the containing hole is connected with a threaded block through threads, one end of the threaded block is fixedly connected with a root canal enlarging needle, the surface of the fixed gear is clamped with a clamping block, the surface of the clamping block is provided with symmetrical clamping teeth, one surface of the clamping block is sleeved with a spring through a mounting hole, the other end of the measuring instrument body is fixedly connected with a lead through an upper connecting sleeve, and the other end of the lead is fixedly connected with a lower connecting sleeve, the one end of lower adapter sleeve has the oral cavity lacing film through threaded connection, the one end fixedly connected with anchorage bar of oral cavity lacing film, the busbar has been plated on the surface of oral cavity lacing film, this multi-functional telescopic root canal measuring apparatu is through fixture block and the fixed gear that sets up for the root canal enlarged needle has the function of adjusting inclination, and the root canal enlarged needle has flexible function moreover, very big user convenience and travelling comfort have been brought for the user, and the oral cavity lacing film that sets up has not only improved its safety in utilization, and guaranteed its electric conductivity through the busbar that sets up, still have the function of tear-down combination simultaneously, conveniently assemble and the independent change in later stage.

Furthermore, the antiskid groove that annular equidistance distributes is seted up on the surface of thread bush, a side of thread bush is equipped with the extrusion portion, the surface of the extrusion portion that the thread bush set up contacts the extrusion with the side of fixed plate, and the thread bush can prevent that the finger from skidding, and convenient to use person's manual rotation makes things convenient for installing and removing of quarter butt.

Further, the shape of screw thread piece is cylindrical, and the surface has seted up the external screw thread, the inner wall of accomodating the hole set up with screw thread piece external screw thread assorted internal thread, the external diameter of screw thread piece is greater than the biggest external diameter of root canal expansion pin, and the screw thread piece can drive the root canal expansion pin under the effect of screw thread and carry out the flexible removal.

Furthermore, root canal enlargement needle's surface is equipped with the scale mark, the scale mark divide into one millimeter scale, five millimeters scales and one centimetre scale, one millimeter scale, five millimeters scales and one centimetre scale that the scale mark set up are black, yellow and red respectively, and the scale mark of different colours is convenient for the quick reading of user, has the mistake proofing function.

Furthermore, the measuring instrument body is provided with an anti-falling groove at one end, the inner wall of the anti-falling groove is in contact connection with one end surface of the spring, the anti-falling groove and the mounting hole are concentric and coaxial, the anti-falling groove and the mounting hole are convenient for mounting and dismounting the spring, and the spring can be prevented from being inclined.

Furthermore, the side of fixture block can be dismantled and be connected with the slide bar, a terminal surface sliding connection of slide bar has the spout, the cross-sectional shape of spout and slide bar is square, and the slide bar not only makes the fixture block have gliding function, can avoid the fixture block to take place the rotation moreover.

Furthermore, the surface of anchorage bar is equipped with the external screw thread, the internal thread hole with anchorage bar external screw thread assorted is seted up to a terminal surface of lower adapter sleeve, and the anchorage bar passes through the screw thread and fastens with lower adapter sleeve for have the function of disassembling and combining between oral cavity lacing film and the wire.

Furthermore, the material of oral cavity lacing film is elasticity stainless steel piece, the portion of bending of oral cavity lacing film is equipped with hangs the mouth, and the oral cavity lacing film passes through compression elasticity can be quick fix at the lip of disease.

Furthermore, the inner walls of the lower connecting sleeve and the upper connecting sleeve are made of conductive metal, and the upper connecting sleeve enables the wire to have the function of independent disassembly, so that later-stage replacement is facilitated.

Furthermore, one end of the oral cavity hanging piece is provided with a rolling part, and the rolling part can prevent the end surface of the oral cavity hanging piece from scratching the oral cavity of a patient.

Compared with the prior art, the invention has the advantages that:

(1) this scheme is through fixture block and the fixed gear that sets up for root canal enlarged footing has the function of adjusting inclination, and the root canal enlarged footing has flexible function moreover, has brought very big convenience in use and travelling comfort for the user, and the oral cavity lacing film that sets up has not only improved its safety in utilization, has guaranteed its electric conductivity through the busbar that sets up moreover, still has the function of the partition combination simultaneously, conveniently assembles and the independent change in later stage.

(2) The anti-skidding groove that annular equidistance distributes is seted up on the surface of thread bush, and a side of thread bush is equipped with the extrusion portion, and the surface of the extrusion portion that the thread bush set up contacts the extrusion with the side of fixed plate, and the thread bush can prevent that the finger from skidding, and convenient to use person is manual rotatory, makes things convenient for installing and removing of quarter butt.

(3) The shape of screw thread piece is cylindrical, and the external screw thread has been seted up on the surface, the inner wall of accomodating the hole set up with screw thread piece external screw thread assorted internal thread, the external diameter of screw thread piece is greater than the biggest external diameter of root canal enlarged footing, the screw thread piece can drive the root canal enlarged footing under the effect of screw thread and carry out flexible removal.

(4) The surface of root canal enlargement needle is equipped with the scale mark, and the scale mark divide into one millimeter scale, five millimeters scales and one centimetre scale, and the one millimeter scale, five millimeters scales and the one centimetre scale that the scale mark set up are black, yellow and red respectively, and the scale mark of different colours is convenient for the quick reading of user, has the mistake proofing function.

(5) The anti-drop groove is formed in one end of the measuring instrument body, the inner wall of the anti-drop groove is in surface contact connection with one end of the spring, the anti-drop groove and the mounting hole are concentric and coaxial, the anti-drop groove and the mounting hole are convenient to assemble and disassemble the spring, and the spring can be prevented from being inclined.

(6) The side of the clamping block is detachably connected with a sliding rod, one end face of the sliding rod is connected with a sliding groove in a sliding mode, the sliding groove and the sliding rod are square in cross section shape, the sliding rod enables the clamping block to have a sliding function, and the clamping block can be prevented from rotating.

(7) The surface of anchorage bar is equipped with the external screw thread, and the internal thread hole with anchorage bar external screw thread assorted is seted up to one end face of lower adapter sleeve, and the anchorage bar passes through the screw thread and fastens with the lower adapter sleeve for have the function of disassembling and assembling between oral cavity lacing film and the wire.

(8) The material of oral cavity hanging piece is elastic stainless steel piece, and the portion of bending of oral cavity hanging piece is equipped with the string mouth, and the lip at the disease can be fixed fast to the oral cavity hanging piece through compression elasticity.

(9) The inner walls of the lower connecting sleeve and the upper connecting sleeve are made of conductive metal, and the upper connecting sleeve enables the lead to have the function of independent disassembly, so that later-stage replacement is facilitated.

(10) One end of the oral cavity hanging piece is provided with a rolling part, and the rolling part can prevent the end surface of the oral cavity hanging piece from scratching the oral cavity of a patient.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the mounting structure of the fixing plate and the housing of the measuring instrument according to the present invention;

fig. 3 is a bottom view of the latch structure of fig. 2;

FIG. 4 is a side view of an oral hanging piece structure of the present invention;

FIG. 5 is a bottom view of the threaded sleeve and stub mounting structure of FIG. 2.

The reference numbers in the figures illustrate:

the measuring instrument comprises a measuring instrument body 1, a threaded sleeve 11, an anti-slip groove 12, an upper connecting sleeve 13, a drop-proof groove 14, a fixing plate 2, a short rod 21, a sliding groove 22, a fixed gear 3, a enlarged pin 4, a scale mark 41, a thread block 42, a connecting pipe 43, a receiving hole 44, a fixture block 5, a fixture tooth 51, a sliding rod 52, a mounting hole 53, a spring 54, a lead 6, a lower connecting sleeve 61, a mouth hanging piece 7, a coiling part 71, a hanging opening 72, a fastening rod 73 and a conducting strip 74.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a multifunctional telescopic root canal measuring instrument includes a measuring instrument body 1, referring to fig. 1-5, one end of the measuring instrument body 1 is fixedly connected with a radially symmetrical fixing plate 2, the measuring instrument body 1 is convenient for a user to hold, the surface of the measuring instrument body 1 is provided with components such as a control switch and a display screen, which are standard components, the working principle of which is well known to those skilled in the art, and belongs to the prior art, and it is not described herein in detail that a short rod 21 is sleeved on the side surface of the fixing plate 2, a thread sleeve 11 is connected on the surface of one end of the short rod 21, a fixed gear 3 is sleeved on the surface of the short rod 21, the fixed gear 3 has a rotating function, so as to conveniently rotate an enlarged pin 4 to adjust an inclination angle, a connecting pipe 43 is fixedly connected on the surface of the fixed gear 3, one end of the connecting pipe 43 is provided with a receiving hole 44, the receiving hole 44 enables the enlarged root canal needle 4 to have a function of adjusting length in a telescopic manner, and a user can conveniently go in and out of the connecting pipe, the inner wall of the receiving hole 44 is connected with a thread block 42 through a thread, one end of the thread block 42 is fixedly connected with the enlarged root canal needle 4, the surface of the fixed gear 3 is clamped with a fixture block 5, the fixture block 5 is used for fixing the rotating position of the fixed gear 3, the surface of the fixture block 5 is provided with symmetrical fixture teeth 51, the fixture teeth 51 are used for being clamped with the teeth of the fixed gear 3 and have an anti-skidding effect, one surface of the fixture block 5 is sleeved with a spring 54 through a mounting hole 53, the spring 54 is in a state of compression elasticity, so that the fixture block 5 has an automatic fastening function, the other end of the measuring instrument body 1 is fixedly connected with a lead 6 through an upper connecting sleeve 13, the other end of the lead 6 is fixedly connected with a lower connecting sleeve 61, and the inner walls of the lower connecting sleeve 61 and the upper connecting sleeve 13 are both made of conductive metal, go up adapter sleeve 61 and make wire 6 have the function of independent partition, the change in the later stage of being convenient for, there is oral cavity lacing film 7 lower adapter sleeve 61's one end through threaded connection, the one end fixedly connected with anchorage bar 73 of oral cavity lacing film 7, conducting bar 74 has been plated on the surface of oral cavity lacing film 7, the material of conducting bar 74 is silver-colored or copper that electric conductivity is extremely strong, can guarantee root canal measuring instrument measuring circuit's intercommunication, its measurement accuracy has been guaranteed, the one end of oral cavity lacing film 7 is equipped with convolution portion 71, convolution portion 71 can avoid the terminal surface fish tail disease oral cavity of oral cavity lacing film 7, the material of oral cavity lacing film 7 is elastic stainless steel piece, the portion of bending of oral cavity lacing film 7 is equipped with string mouth 72, oral cavity lacing film 7 can be quick through the lip at the disease of fixing of compression elasticity.

Referring to fig. 1 and 5, the surface of the thread bushing 11 is provided with the anti-slip grooves 12 distributed in an annular and equidistant manner, one side of the thread bushing 11 is provided with the extrusion portion, the surface of the extrusion portion of the thread bushing 11 is in contact extrusion with the side of the fixing plate 2, the thread bushing 11 can prevent slipping of fingers, the short rod 21 can be conveniently rotated manually by a user, the thread block 42 is cylindrical, the surface of the thread block is provided with external threads, the inner wall of the accommodating hole 44 is provided with internal threads matched with the external threads of the thread block 42, the outer diameter of the thread block 42 is larger than the maximum outer diameter of the root canal expansion needle 4, and the thread block 42 can drive the root canal expansion needle 4 to move telescopically under the action of the threads.

Referring to fig. 1 and 2, the surface of the root canal reamer 4 is provided with scale lines 41, the scale lines 41 are divided into one millimeter scale, five millimeter scale and one centimeter scale, the one millimeter scale, the five millimeter scale and the one centimeter scale provided on the scale lines 41 are respectively black, yellow and red, the scale lines 41 with different colors are convenient for a user to read quickly, and have an error-proofing function, one end of the measuring instrument body 1 is provided with an anti-falling groove 14, the inner wall of the anti-falling groove 14 is in surface contact connection with one end of the spring 54, the anti-falling groove 14 is concentric and coaxial with the mounting hole 53, the anti-falling groove 14 and the mounting hole 53 are convenient for the assembly and disassembly of the spring 54, and the spring 54 can be prevented from being inclined.

Referring to fig. 2 and 4, a sliding rod 52 is detachably connected to a side surface of the fixture block 5, a sliding groove 22 is slidably connected to one end surface of the sliding rod 52, cross-sectional shapes of the sliding groove 22 and the sliding rod 52 are square, the sliding rod 52 not only enables the fixture block 5 to have a sliding function, but also can prevent the fixture block 5 from rotating, an external thread is arranged on the surface of the fastening rod 73, an internal thread hole matched with the external thread of the fastening rod 73 is formed in one end surface of the lower connecting sleeve 13, and the fastening rod 73 is fastened with the lower connecting sleeve 13 through a thread, so that a detachable and combined function is achieved between the oral cavity hanging piece 7 and the lead 6.

In the using process of the multifunctional telescopic root canal measuring instrument, the inclination angle between the root canal expanding needle 4 and the measuring instrument body 1 can be adjusted according to needs, the root canal expanding needle 4 can be directly rotated to a proper inclination angle, the root canal expanding needle 4 rotates to drive the connecting pipe 43 to rotate, the connecting pipe 43 rotates to drive the fixed gear 3 to rotate, the fixed gear 3 rotates to extrude the fixture block 5 and the fixture teeth 51, meanwhile, the fixture block 5 is extruded to drive the slide rod 52 to move rightwards along the chute 22, the fixture block 5 moves rightwards to extrude the spring 54, the spring 54 forms compression elasticity, the elasticity pushes the fixture block 5 to clamp the fixed gear 3 leftwards, thereby automatically fastening the rotating position of the fixed gear 3, when the length of the root canal expanding needle 4 needs to be adjusted, the root canal expanding needle 4 is manually rotated anticlockwise, the thread block 42 rotates anticlockwise and retracts into the accommodating hole 44 under the action of the thread, thereby shortening the length of the enlarged root canal needle 4, increasing the length of the enlarged root canal needle 4 by manually rotating the enlarged root canal needle 4 clockwise, leading the enlarged root canal needle 4 to have the function of adjusting the inclination angle through the arranged fixture block 5 and the fixed gear 3, leading the enlarged root canal needle 4 to have the function of adjusting the length in a telescopic way, bringing great convenience and comfort for users, then hanging the oral cavity hanging piece 7 on the lip of a patient, leading the measurement circuit of the root canal measuring instrument to be communicated for measurement, leading the contact area of the arranged oral cavity hanging piece 7 and the lip to be large, reducing the local extrusion strength, arranging the rolling part 71, improving the use safety, increasing the conductivity of the oral cavity hanging piece 7 through the arranged conducting bar 74, ensuring the measurement stability of the detection circuit, simultaneously leading the arranged fastening rod 73 to be capable of being separated from the lower connecting sleeve 61 when being rotated anticlockwise, not only conveniently assemble, be convenient for moreover the later stage of oral cavity hanging piece 7 is changed alone.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.