CN113143494B - Oral cavity anti-drop expands file needle lantern ring and has expand file needle of lantern ring - Google Patents
Oral cavity anti-drop expands file needle lantern ring and has expand file needle of lantern ring Download PDFInfo
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- CN113143494B CN113143494B CN202110428147.0A CN202110428147A CN113143494B CN 113143494 B CN113143494 B CN 113143494B CN 202110428147 A CN202110428147 A CN 202110428147A CN 113143494 B CN113143494 B CN 113143494B
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- 210000000214 mouth Anatomy 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 239000003351 stiffener Substances 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 210000004262 dental pulp cavity Anatomy 0.000 description 21
- 230000003014 reinforcing effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/40—Implements for surgical treatment of the roots or nerves of the teeth; Nerve needles; Methods or instruments for medication of the roots
- A61C5/42—Files for root canals; Handgrips or guiding means therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
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- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to the field of medical equipment, a oral cavity anti-drop expands file lantern ring and has expanding file of lantern ring is disclosed, oral cavity anti-drop expands the file lantern ring and includes the ring body, stopper and one end and ring body fixed connection's flexible rope with the outer peripheral edges fixed connection of ring body, the expanding file needle that has the lantern ring includes the needle handle and locates the syringe needle on the needle handle, coupling assembling and needle handle connection are passed through to the one end that the ring body was kept away from to flexible rope, link up along the axial on the lateral wall of needle handle and seted up the spacing groove, the stopper slides with the spacing groove and cooperates. The flexible rope of this application fixes the needle handle with the stopper jointly to the possibility that the syringe needle stabbed patient's oral cavity has been reduced.
Description
Technical Field
The application relates to the field of medical equipment, in particular to an oral anti-drop file expanding needle lantern ring and a file expanding needle with the lantern ring.
Background
The tooth root extracting technique with file enlarging needle is one novel minimally invasive tooth extracting technique, and during operation of patient's oral cavity, the operator inserts the file enlarging needle into residual root canal and cuts the root canal with the friction force and mechanical embedding force between the file enlarging needle and the root canal wall.
Chinese patent publication No. CN2513538 discloses an easy-to-pick file needle, which comprises a needle handle and a file expanding needle body connected with the needle handle, wherein a ball chamber is arranged at the rear part of the needle handle, and a falling-off preventing ball is arranged in the ball chamber. The one end that the ball room kept away from the file expanding needle body is established to the open end, and the one end that the needle handle kept away from the file expanding needle body is equipped with the needle handle cap, and the open end of ball room is plugged up to the needle handle cap. The needle handle cap is provided with a snap ring, the needle handle is provided with a clamping groove, and the snap ring is in clamping fit with the clamping groove. The anti-drop ball is connected with a rope, the needle handle cap is provided with a rope hole, one end of the rope, far away from the anti-drop ball, penetrates through the rope hole, and is fixedly connected with a finger sleeve. When in use, an operator sleeves the finger with the finger sleeve and holds the needle handle to operate.
In view of the above-mentioned related art, the inventor believes that, since the distance between the finger stall and the filing needle body is not fixed, after the needle handle falls off from the hand of the operator, the filing needle body is out of the control range of the operator, and there is a possibility that the filing needle body stabs the oral cavity of the patient.
Disclosure of Invention
In order to improve the defect that the oral cavity of a patient is easily punctured by the file expanding needle body after the needle handle falls off from the hand of an operator, the application provides an oral cavity falling-off prevention file expanding needle lantern ring and a file expanding needle with the lantern ring.
In a first aspect, the application provides an oral anti-drop file expanding needle lantern ring, which is obtained by adopting the following technical scheme:
the utility model provides an oral cavity anti-drop expands file needle lantern ring, includes ring body, with the outer peripheral edges fixed connection's of ring body stopper and one end and ring body fixed connection's flexible rope, the one end that the ring body was kept away from to flexible rope is passed through coupling assembling and is connected with the needle handle, link up along the axial on the lateral wall of needle handle and seted up the spacing groove, the stopper slides with the spacing groove and cooperates.
Through the technical scheme, during operation, an operator firstly penetrates the finger through the ring body, then wears to establish the limiting groove with the limiting block, then drives the ring body to move through the finger, the ring body drives the limiting block to slide along the limiting groove along the axial direction of the needle handle, and meanwhile the limiting block drives the flexible rope to move until the flexible rope is straightened. The operator then inserts the needle into the patient's root canal and applies a pushing force to the needle handle through the finger ring body and flexible cord, the needle cutting the patient's root canal. In the operation process, the stopper is spacing to the needle handle along the radial of needle handle, and the operator keeps flexible rope in the state of flare-outing to exert thrust through flexible rope to the needle handle, make the syringe needle support tightly with patient's root canal all the time, patient's root canal wall and flexible rope carry on spacingly to the needle handle along the axial jointly, thereby realized the fixed to the needle handle, reduced the possibility that the needle handle punctures patient's oral cavity after dropping patient's oral cavity.
Preferably: coupling assembling includes connecting rod and first screw rod, connecting rod and first screw rod fixed connection, the needle handle is worn to establish by first screw rod, and with needle handle threaded connection, the one end and the connecting rod fixed connection of ring body are kept away from to flexible rope.
Through the technical scheme, when the operator needs to change the ring body, the operator rotates the connecting rod until the threaded connection between the first screw rod and the needle handle is removed, then another first screw rod is in threaded connection with the needle handle, the ring body can be replaced, the operator can conveniently select the ring body according to the thickness degree of the fingers, and therefore the adaptability between the ring body and the operator is improved.
Preferably, the following components: the connecting rod is provided with a concave part along the periphery.
Through the technical scheme, the concave part of the connecting rod can be attached to the convex part of the finger, the contact area between the finger and the finger is increased, so that the friction force between the finger of an operator and the connecting rod is increased, the possibility of slipping when the operator rotates the connecting rod is reduced, and the stability of the operator in replacing the ring body is improved.
Preferably: coupling assembling still includes a plurality of fixed connection reference columns on the connecting rod lateral wall, and is a plurality of the reference column sets up along the axial interval of connecting rod.
Through above-mentioned technical scheme, during the operation, when the distance undersize of ring body and syringe needle, when causing the hindrance to the operation, the operator only needs to wind a part of flexible rope and establishes in the connecting rod outside to the messenger is crossing around the flexible rope and the reference column established in the connecting rod outside, can carry out spacingly through the reference column to flexible rope, with unnecessary flexible rope rolling on the connecting rod. Then, the operator straightens the flexible rope again, can shorten the distance between ring body and the syringe needle, has realized the effect of adjusting the position of ring body.
Preferably, the following components: the periphery of the ring body is sleeved with a rubber anti-slip sleeve.
Through the technical scheme, the rubber anti-slip sleeve increases the friction force between the fingers of the operator and the ring body, and reduces the possibility of relative sliding between the fingers of the operator and the positioning ring, thereby improving the stability of operation.
In a second aspect, the present application provides a rasping needle with a collar, which adopts the following technical solution
The utility model provides a expand file needle with lantern ring, includes needle handle and syringe needle, the cavity has been seted up towards the one end of syringe needle to the needle handle, the syringe needle wears to establish into the cavity, and with the chamber wall fixed connection of cavity, be equipped with the coil spring in the cavity, the one end of coil spring and the chamber wall fixed connection of cavity, the other end pass through the connecting piece with the part that the cavity was worn to establish into to the syringe needle is connected.
Through above-mentioned technical scheme, in the operation process, when the operator rotated the needle handle, the syringe needle received the reaction force from the root canal wall to the distortion takes place. At the moment, the twisted needle head drives the coil spring through the connecting piece to compress the coil spring, and the coil spring exerts elasticity on the needle head through the connecting piece, so that the twisting process of the needle head is resisted, and the shape stability of the needle head is improved.
Preferably: the needle handle rotates along the periphery and is provided with the holding ring, the holding ring keeps coaxial with the needle handle, just set up the breach that is used for supplying the stopper to pass through on the holding ring.
Through above-mentioned technical scheme, when setting up the ring body, the operator rotates the holding ring, and the breach and the spacing groove that reach the holding ring correspond the intercommunication, then slide the stopper to the holding ring towards one side of syringe needle. Then, the operator rotates the positioning ring again until the positioning ring blocks the limiting groove, and the setting of the ring body is finished. After the operation, when the operator need take out the syringe needle of joint in the root canal, the ring body drives the stopper and moves along the spacing groove towards the direction of keeping away from the syringe needle, and is contradicted with the holding ring until the stopper. At the moment, the flexible rope is already bent, so the positioning ring can replace the flexible rope to limit the ring body. The positioning ring drives the needle handle and the needle head to move under the traction of the ring body until the needle handle and the needle head leave the oral cavity of a patient. Through the setting of holding ring, the operator need not to use a plurality of fingers to extract the syringe needle from patient's root canal simultaneously, only needs to remove the joint and can accomplish the operation at this internal finger of ring to reduce because patient's oral cavity is narrow and cause the possibility of hindrance to the operation, improved the convenient degree of operation.
Preferably: the needle handle is internally provided with a second screw rod in a penetrating manner, the second screw rod is in threaded connection with the needle handle, and one end, close to the needle head, of the second screw rod is abutted to the positioning ring.
Through above-mentioned technical scheme, after the operator accomplished the setting to the stopper, the operator rotated the second screw rod again, contradict with the holding ring until the second screw rod, can realize spacing to the holding ring to reduced the operator and made the holding ring take place pivoted possibility after touching the holding ring in operation process mistake, improved the stability when operating.
Preferably: one end of the needle handle facing the needle head is fixedly connected with a plurality of LED lamps.
Through above-mentioned technical scheme, during the operation, the LED lamp is thrown light on patient's oral cavity to reduced because patient's intraoral light is dim, lead to the possibility that operation error appears.
Preferably: the connecting piece includes the stiffener of burying underground in the syringe needle along the axial of syringe needle, the one end that the stiffener is close to the needle handle is worn to establish into the cavity to wear to establish the coil spring, and with coil spring fixed connection, the periphery fixedly connected with a plurality of reinforcement posts of stiffener, it is a plurality of all bury underground in the syringe needle.
Through above-mentioned technical scheme, when the syringe needle has the trend of taking place the distortion, the spring passes through the stiffener with in elasticity transmits the syringe needle, the enhancement post has increased the area of stiffener with the syringe needle contact, has increased the firmness that stiffener and syringe needle are connected, has reduced the possibility of stiffener slippage in from the syringe needle. In addition, when the needle head is deformed in a twisting mode, the reinforcing column blocks the deformation, and therefore the possibility of deformation of the needle head is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the finger ring is used, an operator connects the needle handle to a finger through the finger ring body, the limiting block limits the needle handle along the radial direction of the needle handle, and the flexible rope and the root canal wall of a patient limit the needle handle along the axial direction of the needle handle together, so that the needle handle is fixed, the needle handle is not easy to be separated from the hand of the operator, and the possibility that the oral cavity of the patient is stabbed by a needle head is reduced;
2. through the setting of holding ring, after the operation finishes, the operator only need remove to embolia this internal finger of ring and can take out the syringe needle, need not to use a plurality of fingers to operate simultaneously to reduced because patient's oral cavity is narrow and cause the possibility of hindrance to the operation, improved the convenient degree of operation.
Drawings
Fig. 1 is a schematic structural diagram of an oral cavity anti-drop rasping needle collar and an rasping needle with the collar according to an embodiment of the present application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
FIG. 3 is a schematic structural diagram for showing a second screw position according to an embodiment of the present application.
Fig. 4 is an enlarged view of a portion B in fig. 3.
Fig. 5 is a schematic structural diagram for showing a cavity according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram for showing a reinforcing rod according to an embodiment of the present application.
Reference numerals: 1. a needle handle; 2. a needle head; 3. a ring body; 31. a limiting block; 32. a flexible cord; 4. a connecting assembly; 41. a connecting rod; 411. a recessed portion; 42. a first screw; 43. a positioning column; 5. an LED lamp; 6. a rubber anti-slip sleeve; 7. an annular chute; 8. a positioning ring; 9. a notch; 10. a second screw; 11. a limiting groove; 12. a coil spring; 13. a reinforcing bar; 14. a reinforcement column; 15. a cavity.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses an oral anti-drop file expanding needle lantern ring and a file expanding needle with the lantern ring. Referring to fig. 1 and 2, the file enlarging needle with the lantern ring comprises a needle handle 1, a needle head 2 and an oral cavity anti-drop file enlarging needle lantern ring, wherein the needle head 2 is fixedly connected with the needle handle 1 and coaxially arranged, and a spiral part is arranged on the periphery of the needle head 2 so as to cut and drill a root canal; the oral cavity anti-drop expands and files the needle lantern ring and locates on the needle handle 1, and needle handle 1 is towards the one end fixedly connected with three LED lamp of syringe needle 2. During operation, an operator fixes the needle handle 1 on a finger through the oral anti-drop filing needle lantern ring, and then performs operation on the root canal of a patient through the needle head 2. The LED lamp illuminates the oral cavity of the patient to reduce the possibility of operation errors caused by lack of illumination.
Referring to fig. 1 and 2, the oral cavity anti-drop rasp needle ring comprises a finger ring body 3, a limiting block 31 and a flexible rope 32. The side wall of the needle handle 1 is provided with a limit groove 11 along the axial direction, and the limit block 31 is matched with the limit groove 11 in a sliding manner. One side that stopper 31 deviates from the spout and ring body 3 fixed connection, the one end of flexible rope 32 and the terminal surface fixed connection of ring body 3, the other end passes through coupling assembling 4 and is connected with needle handle 1. The ring body 3 is gone up and is equipped with four rubber antiskid cover 6 along the periphery cover, and four rubber antiskid cover 6 set up along the periphery of ring body 3 equidistant, and rubber antiskid cover 6 has increased the frictional force between ring body 3 and the operator finger to the finger possibility of relative slip has been reduced to ring body 3 and operator's finger. The shape of the limiting block 31 is isosceles trapezoid, and the length of the bottom edge of the limiting block 31 close to one side of the finger ring body 3 is larger than that of the bottom edge of the side far away from one side of the finger ring body 3, so that the needle handle 1 is limited along the radial direction of the needle handle 1.
Referring to fig. 1 and 2, during operation, an operator clamps fingers in the finger ring body 3, arranges the limiting block 31 in the limiting groove 11, then pushes the finger ring body 3 along the limiting groove 11 until the finger ring body 3 straightens the flexible rope 32, and then the operator pierces the needle head 2 into the root canal of a patient and starts to perform an operation. Thereafter, the stopper 31 is used for limiting the needle handle 1 along the radial direction of the needle handle 1, the flexible rope 32 and the tube wall of the root canal of the patient are used for limiting the needle handle 1 along the axial direction of the needle handle 1 together, and the needle handle 1 is fixed on the finger ring body 3. In the operation process, when the needle handle 1 slides down from the hand of an operator, the operator can drag the needle handle 1 through the finger ring body 3 at any time, thereby reducing the possibility that the needle head 2 stabs the oral cavity of a patient.
Referring to fig. 2 and 3, the needle handle 1 is provided with an annular chute 7 along the outer periphery, a positioning ring 8 is rotatably arranged in the annular chute 7, the positioning ring 8 and the needle handle 1 are coaxial, and the inner side wall of the positioning ring 8 is attached to the bottom wall of the annular chute 7. The positioning ring 8 is provided with a notch 9, the cross section of the notch 9 is the same as that of the limiting block 31, and the notch 9 is communicated with the limiting groove 11. One end of the needle handle 1, which is far away from the needle head 2, penetrates through the axial direction and is in threaded connection with a second screw rod 10, and one end of the second screw rod 10, which penetrates through the needle handle 1, is abutted against the end face of the positioning ring 8.
Referring to fig. 2 and 3, when the finger ring body 3 is set, after the stopper 31 passes through the notch on the positioning ring 8, the operator rotates the positioning ring 8 along the annular sliding groove 7 until the notch 9 and the stopper groove 11 are dislocated, and then the positioning ring 8 blocks the stopper groove 11. Then, the operator rotates the second screw 10 until the end of the second screw 10 close to the needle 2 abuts against the positioning ring 8 and fixes the positioning ring 8. After the operation is finished, when the needle head 2 embedded into the root canal of the patient needs to be pulled out, the operator pulls the ring body 3 towards the direction far away from the needle head 2 until the limiting block 31 is abutted to the positioning ring 8. At this time, the flexible rope 32 is no longer in a straightened state, the positioning ring 8 replaces the flexible rope 32 to limit the needle handle 1 along the axial direction of the needle handle 1, and the operator drives the needle handle 1 to move through the positioning ring 8 until the needle head 2 is pulled out of the root canal of the patient. Through the setting of holding ring 8, at the in-process of extracting syringe needle 2, the operator need not to stretch into patient's oral cavity with a plurality of fingers is whole, only needs to drag ring body 3 and can take out syringe needle 2 to reduce because of the narrow possibility that causes the hindrance to the operation in patient's oral cavity, improved the convenient degree of operation.
Referring to fig. 3 and 4, the connection assembly 4 includes a connection rod 41, a first screw 42, and four positioning posts 43. Connecting rod 41 and first screw rod 42 set up coaxially, and fixed connection, the one end that first screw rod 42 was kept away from to connecting rod 41 and the one end fixed connection that the ring body 3 was kept away from to flexible rope 32, and connecting rod 41 is equipped with depressed part 411 along the periphery to the protruding shape of laminating operator's finger reduces the finger of operator and connecting rod 41 and takes place the relative slip's possibility. The first screw rod 42 penetrates into the needle handle 1 along the axial direction of the needle handle 1 and is in threaded connection with the needle handle 1. The four positioning columns 43 are all fixedly connected with the connecting rod 41 and are perpendicular to the connecting rod 41, and the four positioning columns 43 are arranged at intervals along the axial direction of the connecting rod 41.
Referring to fig. 3 and 4, when needing to change the ring body 3, the operator rotates the connecting rod 41 until the threaded connection between the first screw rod 42 and the needle handle 1 is released, then the first screw rod 42 connected with another ring body 3 is inserted into the needle handle 1 and is in threaded connection with the needle handle 1, thereby realizing the change of the ring body 3, when the operator with different finger thickness degrees operates, the ring bodies 3 with different sizes can be changed through the first screw rod 42, thereby improving the convenience of operation. When the distance between the ring body 3 and the needle 2 is small after the flexible rope 32 is straightened, and the operation of an operator is blocked, the operator winds a part of the flexible rope 32 outside the connecting rod 41, and limits the flexible rope 32 through the four positioning columns 43, so that the moving range of the flexible rope 32 is limited. After the flexible rope 32 is stretched straight again, the distance between the finger ring body 3 and the needle head 2 is increased, so that the position of the finger ring body 3 is adjusted, the possibility of obstruction to operation due to the fact that the distance between the finger ring body 3 and the needle head 2 is too small is reduced, and convenience in operation is improved.
Referring to fig. 5 and 6, a cavity 15 is formed in one end of the needle handle 1 facing the needle head 2, a coil spring 12 is arranged in the cavity 15, one end of the coil spring 12 is welded with the cavity wall of the cavity 15, one end of the needle head 2 far away from the tip penetrates through the cavity wall of the cavity 15 and is fixedly connected with the cavity wall of the cavity 15, and the needle head 2 is connected with the coil spring 12 through a connecting piece. The connecting piece includes stiffener 13, and stiffener 13 buries underground in syringe needle 2 to wear to establish the terminal surface of syringe needle 2 along the axial of syringe needle 2, and coil spring 12 is worn to establish by the one end that stiffener 13 kept away from syringe needle 2, and keeps away from the one end fixed connection in cavity 15 chamber wall with coil spring 12. The reinforcing rod 13 is provided with a plurality of groups of reinforcing columns 14 along the axial direction, the groups of reinforcing columns 14 are arranged at intervals, the group of reinforcing columns 14 comprises four reinforcing columns 14, the four reinforcing columns 14 in the same group are arranged at equal intervals along the periphery of the reinforcing rod 13, and the plurality of reinforcing columns 14 are embedded in the needle head 2.
Referring to fig. 5 and 6, in operation, when the operator rotates the needle handle 1, the needle 2 is twisted by the reaction force of the wall of the patient's root canal to the needle 2, the twist of the needle 2 is transmitted to the coil spring 12 through the reinforcing rod 13, the coil spring 12 is compressed, the elastic force of the coil spring 12 is transmitted to the needle 2 through the reinforcing rod 13, and the coil spring and the reinforcing rod 13 together resist the twist of the needle 2, so that the possibility of deformation of the needle 2 is reduced, and the stability of the shape of the needle 2 is improved. In addition, the reinforcing column 14 increases the contact range of the reinforcing rod 13 with the needle 2, thereby improving the firmness of the connection between the reinforcing rod 13 and the needle 2 and reducing the possibility that the reinforcing rod 13 slips off the needle 2.
The implementation principle of the file expanding and filing needle in the embodiment of the application is as follows: during the operation, the operator will point the joint in ring body 3, move ring body 3 and stopper 31 along spacing groove 11 again, straighten flexible rope 32 up to ring body 3, then the operator pierces the patient's root canal with syringe needle 2. Thereafter, the tube wall of the root canal, the flexible rope 32 and the limiting block 31 limit the needle handle 1 together, and the needle handle 1 is fixed on the finger ring body 3, so that the possibility of separating the needle handle 1 from the finger ring body 3 is reduced. After the operation is finished, the operator moves the ring body 3 towards the direction far away from the needle head 2 until the limiting block 31 is abutted against the positioning ring 8. Thereafter, the operator pushes the positioning ring 8 and the needle handle 1 through the stop block 31, so as to drive the needle head 2 to move until the needle head 2 leaves the root canal of the patient, and the operation can be finished. When the ring body 3 needs to be replaced, the operator releases the threaded connection between the first screw rod 42 and the needle handle 1, and then the other first screw rod 42 is in threaded connection with the needle handle 1, so that the ring body 3 can be replaced, the adaptability between the ring body 3 and the operator is improved, and the convenience of operation is increased.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The utility model provides an oral cavity anti-drop expands file needle lantern ring which characterized in that: comprises a ring body (3), a limiting block (31) fixedly connected with the outer periphery of the ring body (3) and a flexible rope (32) with one end fixedly connected with the ring body (3), one end of the flexible rope (32) far away from the ring body (3) is connected with the needle handle (1) through the connecting component (4), a limit groove (11) is axially arranged on the side wall of the needle handle (1) in a through way, the limiting block (31) is matched with the limiting groove (11) in a sliding manner, the connecting component (4) comprises a connecting rod (41) and a first screw rod (42), the connecting rod (41) is fixedly connected with a first screw rod (42), the first screw rod (42) penetrates through the needle feeding handle (1), and is connected with the needle handle (1) by screw thread, one end of the flexible rope (32) far away from the ring body (3) is fixedly connected with the connecting rod (41), and the connecting rod (41) is provided with a concave part (411) along the periphery.
2. The oral anti-drop rasp needle collar according to claim 1, wherein: coupling assembling (4) still include a plurality of fixed connection reference column (43) on connecting rod (41) lateral wall, it is a plurality of reference column (43) set up along the axial interval of connecting rod (41).
3. The oral anti-drop rasp needle collar according to claim 1, wherein: the periphery of the ring body (3) is sleeved with a rubber anti-slip sleeve (6).
4. A rasp needle using the collar according to any one of claims 1 to 3, wherein: including needle handle (1) and syringe needle (2), cavity (15) have been seted up towards the one end of syringe needle (2) in needle handle (1), syringe needle (2) wear to establish into cavity (15), and with the chamber wall fixed connection of cavity (15), be equipped with wind spring (12) in cavity (15), the one end of wind spring (12) and the chamber wall fixed connection of cavity (15), the other end pass through the connecting piece with the part that cavity (15) were worn to establish in syringe needle (2) is connected.
5. The rasping needle according to claim 4, wherein: the needle handle (1) rotates along the periphery and is provided with a positioning ring (8), the positioning ring (8) keeps coaxial with the needle handle (1), and a notch (9) for a limiting block (31) to pass through is formed in the positioning ring (8).
6. The rasping needle according to claim 5, wherein: wear to be equipped with second screw rod (10) in needle handle (1), second screw rod (10) and needle handle (1) threaded connection, second screw rod (10) are close to the one end and the holding ring (8) conflict of syringe needle (2).
7. The rasping needle according to claim 4, wherein: one end of the needle handle (1) facing the needle head (2) is fixedly connected with a plurality of LED lamps (5).
8. The rasping needle according to claim 4, wherein: the connecting piece includes and buries in the stiffener (13) of syringe needle (2) underground along the axial of syringe needle (2), one end that stiffener (13) is close to needle handle (1) is worn to establish into cavity (15) to wear to establish coil spring (12), and with coil spring (12) fixed connection, the periphery fixedly connected with of stiffener (13) is a plurality of reinforcement post (14), and a plurality of reinforcement post (14) all bury underground in syringe needle (2).
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CN202110428147.0A CN113143494B (en) | 2021-04-21 | 2021-04-21 | Oral cavity anti-drop expands file needle lantern ring and has expand file needle of lantern ring |
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CN202110428147.0A CN113143494B (en) | 2021-04-21 | 2021-04-21 | Oral cavity anti-drop expands file needle lantern ring and has expand file needle of lantern ring |
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CN113143494A CN113143494A (en) | 2021-07-23 |
CN113143494B true CN113143494B (en) | 2022-06-21 |
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CN202110428147.0A Expired - Fee Related CN113143494B (en) | 2021-04-21 | 2021-04-21 | Oral cavity anti-drop expands file needle lantern ring and has expand file needle of lantern ring |
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CN212996807U (en) * | 2020-04-29 | 2021-04-20 | 山西医科大学 | Children department of stomatology root canal file magnetic force hasp protection suit |
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