CN115068131A - Tooth forceps and use method thereof - Google Patents
Tooth forceps and use method thereof Download PDFInfo
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- CN115068131A CN115068131A CN202210627829.9A CN202210627829A CN115068131A CN 115068131 A CN115068131 A CN 115068131A CN 202210627829 A CN202210627829 A CN 202210627829A CN 115068131 A CN115068131 A CN 115068131A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000605 extraction Methods 0.000 claims abstract description 17
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 15
- 244000309464 bull Species 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 17
- 210000000214 mouth Anatomy 0.000 description 5
- 210000003323 beak Anatomy 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 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
- A61C3/00—Dental tools or instruments
- A61C3/14—Dentists' forceps or the like for extracting teeth
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Abstract
The invention discloses a pair of tooth forceps and a using method thereof, wherein the tooth forceps comprises a forceps body, wherein the upper end and the lower end of the forceps body are provided with third sliding grooves, a forceps head, a top plate and a movable jaw are arranged in the third sliding grooves in a sliding manner, the top plate is connected with the forceps body through a fourth spring, and the movable jaw is connected with the forceps body through a fifth spring; the clamp head is provided with a sliding hole, a movable block is arranged in the sliding hole in a sliding mode and connected with the clamp head through a third spring, and symmetrically arranged wedge blocks are fixedly connected to the outer wall of the clamp head; the wedge block is arranged on one side of the third spring, and a groove matched with the movable block is further formed in the wedge block. The device can conveniently realize the replacement of the forceps head, thereby being suitable for the tooth extraction requirements of different teeth, and in addition, the length of the handle can be freely prolonged according to the actual requirements, thereby being beneficial to the tooth extraction.
Description
Technical Field
The invention relates to the technical field of dental forceps, in particular to dental forceps and a using method thereof.
Background
The oral cavity medical science is the medical science of treating patient's oral cavity, when treating patient's oral cavity, often relies on oral cavity apparatus to restore or treat patient's oral cavity, and the medical instrument of mainly using usually is the pincers of extracting teeth, and the pincers of extracting teeth are the pliers for extracting teeth in the tooth extraction. Consists of a forceps handle, a joint and a forceps beak. Dental forceps are generally divided into human dental forceps and children dental forceps.
The current dental forceps, according to the position of tooth, variation in size, the pincers beak shape of dental forceps is also different, consequently, the dentist need prepare a large amount of dental forceps usually, and use cost is higher, in addition, because the pincers handle length of current dental forceps is fixed, can't increase the arm of force, to the less dentist of strength, it is hard relatively to press from both sides tight tooth, and the tooth difficulty of extracting is big, is difficult to satisfy the demand of extracting tooth.
Disclosure of Invention
In order to solve the problems in the prior art, the tooth forceps and the use method thereof are provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a pair of tooth forceps, which comprises a forceps body, wherein third sliding grooves are formed in the upper end and the lower end of the forceps body, a forceps head, a top plate and a movable jaw are arranged in the third sliding grooves in a sliding mode, the top plate is connected with the forceps body through a fourth spring, and the movable jaw is connected with the forceps body through a fifth spring; the clamp head is provided with a sliding hole, a movable block is arranged in the sliding hole in a sliding mode, the movable block is connected with the clamp head through a third spring, and symmetrically arranged wedge blocks are fixedly connected to the outer wall of the clamp head; the wedge block is arranged on one side of the third spring, and a groove matched with the movable block is formed in the wedge block.
Preferably, a square rod fixedly connected with the tong head is arranged in the sliding hole, the third spring is sleeved on the square rod, the movable block is in sliding connection with the square rod, one end of the third spring is connected with the tong body, and the other end of the third spring is connected with the movable block.
Preferably, the movable block both ends are provided with the inclined plane, voussoir one side is provided with first inclined plane, the voussoir opposite side is provided with first straight face, the recess sets up in first straight face, activity jack catch one side is provided with the second inclined plane, activity jack catch opposite side is provided with the second straight face.
Preferably, when the wedge block is positioned between the movable jaw and the top plate, the fourth spring is in a compressed state, and the first straight surface of the wedge block is in contact with the second straight surface of the movable jaw; the third spring is in a compressed state, so that the movable block is in contact with the tong head.
Preferably, the upper end and the lower end of the pliers body are also provided with a first sliding groove and a cavity, the cavity is communicated with the first sliding groove, and an extension handle is connected in the cavity in a sliding manner; the rotating rod is rotatably connected in the cavity, a first spine is arranged at one end of the rotating rod, a first spine matched with the first spine is arranged on one side of the extension handle, a first button is slidably connected in the first sliding groove, and the other end of the rotating rod is rotatably connected with the first button.
Preferably, a positioning rod fixedly connected with the caliper body is further arranged in the first sliding groove, the first button is connected with the positioning rod in a sliding mode, a first spring is sleeved on the positioning rod, one end of the first spring is connected with the caliper body, and the other end of the first spring is connected with the first button.
Preferably, the upper end and the lower end of the clamp body are respectively and fixedly connected with an arc-shaped sliding rail and an arc-shaped sliding rod, and the arc-shaped sliding rod is arranged in the arc-shaped sliding rod in a sliding manner; the arc-shaped sliding rail is provided with a second sliding chute, a second spring and a second button are arranged in the second sliding chute in a sliding mode, and the second button is connected with the arc-shaped sliding rail through the second spring; one end of the second button is provided with a second spine, and one side of the arc-shaped sliding rod is provided with a second spine matched with the second spine.
The invention also provides a use method of the dental forceps, and by adopting the dental forceps,
when the binding clip is installed, the method comprises the following steps:
s1: moving the binding clip inwards in the third sliding groove, wherein the first inclined surface of the wedge block is contacted with the first inclined surface of the movable clamping jaw, and the wedge block drives the movable clamping jaw to slide inwards along with the continuous inward movement of the binding clip so as to compress the fifth spring;
s2: when the wedge block jumps over the movable clamping jaw, the wedge block moves to a position between the movable clamping jaw and the top plate, the top plate is in contact with the binding clip, a first straight surface of the wedge block is in contact with a second straight surface of the movable clamping jaw under the action of a fourth spring, and the fourth spring is in a compressed state, so that the mounting work of the binding clip is completed;
when the binding clip is disassembled, the method comprises the following steps:
s11: the clamp head continues to move inwards, and after the inclined surface of the movable clamping jaw is contacted with the second inclined surface of the movable block, the movable block drives the movable clamping jaw to slide inwards along with the continuous inward movement of the clamp head, so that the fifth spring is compressed;
s12: when the movable block jumps over the movable clamping jaw, the movable block moves between the movable clamping jaw and the wedge block, the movable block moves into the groove of the wedge block under the action of the fourth spring, and the inclined surface of the movable block is in contact with the second straight surface of the movable clamping jaw;
s13: and the movable block drives the wedge block to jump over the movable clamping jaw, so that the dismounting work of the binding clip is finished.
Preferably, when the length of the extension handle needs to be adjusted: the first button is pressed to drive the rotating rod to rotate, so that the first thorn of the rotating rod is separated from the first thorn of the extension handle, the extension handle can freely move in the cavity of the forceps body, the first button is loosened after the extension handle is adjusted to be in proper length, and under the action of the first spring, the first button drives the rotating rod to rotate, so that the first thorn of the rotating rod is meshed with the first thorn of the extension handle.
Preferably, when carrying out the work of drawing out teeth, press the pincers body, the arc slide bar removes in the arc slide rail, and at this moment, the second thorn of arc slide bar and second button mutually supports to drive the second button and remove in the second spout, thereby make the second spring compression, realize pressing the automatic locking work of the back pincers body of the pincers body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the wedge block fixedly connected with the binding clip, after the mounting work of the binding clip is finished, the first straight surface of the wedge block is contacted with the first straight surface of the movable clamping jaw, the relative fixing work of the position of the binding clip can be realized, the condition that the binding clip is separated in the tooth extraction process is prevented, when the binding clip is replaced, the movable block jumps over the movable clamping jaw and moves into the groove of the wedge block, at the moment, the binding clip is pulled outwards, the movable block can drive the wedge block to jump over the movable clamping jaw, so that the disassembly work of the binding clip is realized, therefore, the binding clip of the tooth extraction forceps can be freely replaced according to the actual needs, the requirements of different teeth are met, medical workers do not need to prepare excessive tooth extraction forceps, and the integral use cost is reduced.
2. According to the rotatable rotating rod provided by the invention, the first button can drive the rotating rod to rotate, so that the first thorn of the rotating rod is separated from the first thorn of the extension handle, the extension handle can freely slide in the cavity of the forceps body, the length of the extension handle is adjusted, and the tooth extraction work is convenient to carry out.
3. The automatic locking pliers are further provided with the arc-shaped sliding rails, when the pliers body is pressed, the arc-shaped sliding rods can slide in the arc-shaped sliding rails, and the second ratchet teeth of the arc-shaped sliding rods are matched with the second ratchet teeth of the second button, so that the automatic locking work of the pliers body after the pliers body is pressed is realized, the pliers body does not need to be pressed all the time, and the subsequent tooth extraction work is facilitated.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an overall front view of the present invention;
FIG. 2 is an enlarged view of the portion A in FIG. 1;
FIG. 3 is an enlarged view of the portion B of FIG. 1;
FIG. 4 is an enlarged view of the portion C of FIG. 1;
fig. 5 is a schematic view of the structure of portion D-D in fig. 4.
Description of reference numerals:
1, a clamp body; 2, extending the handle; 3 a first button; 4, arc-shaped sliding rails; 5, an arc-shaped sliding rod; 6, a binding clip; 7 a first spring; 8, rotating a rod; 9 loosening the blocks; 10 a second spring; 11 a second button; 12 a third spring; 13 a top plate; 14 a fourth spring; 15 wedge blocks; 16 movable jaws; 17 a fifth spring; 18 a movable block; 19 a square bar; 20 positioning rods; 21 a first runner; 22 a second runner; 23, grooves; 24, a slide hole; 25, closing a plate; 26 a third runner.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1-5, the present embodiment provides a tooth forceps, which includes a forceps body 1, the forceps body 1 includes an upper forceps body and a lower forceps body, the upper forceps body and the lower forceps body are rotatably connected through a rotating shaft, both the upper forceps body and the lower forceps body are provided with a third sliding slot 26 and a fourth sliding slot, and a forceps head 6, a top plate 13 and a movable jaw 16 are slidably disposed in the third sliding slot 26. The clamp body 6 is slidably disposed in the third slide groove 26, and is slidable in the third slide groove 26.
The top plate 13 is connected with the forceps body 1 through a fourth spring 14, and the movable jaw 16 is connected with the forceps body 1 through a fifth spring 17. The top plate 13 is connected with the third sliding chute 26 in a sliding mode, the fourth spring 14 is arranged between the top plate 13 and the clamp body 1, one end of the fourth spring 14 is connected with the clamp body 1, and the other end of the fourth spring 14 is connected with the top plate 13.
The fourth sliding groove is communicated with the third sliding groove 26, the fourth sliding groove is perpendicular to the third sliding groove 26, the movable clamping jaw 16 is arranged in the fourth sliding groove in a sliding mode, the fifth spring 17 is arranged between the movable clamping jaw 16 and the clamp body 1, one end of the fifth spring 17 is connected with the clamp body 1, the other end of the fifth spring 17 is connected with the movable clamping jaw 16, the movable clamping jaw 16 is parallel to the top plate 13, two movable clamping jaws 16 are arranged in each third sliding groove 26, and the movable clamping jaws are symmetrically arranged on two sides of the top plate 13.
The clamp head 6 is provided with a sliding hole 24, a movable block 18 is arranged in the sliding hole 24 in a sliding mode, the movable block 18 is connected with the clamp head 6 through a third spring 12, and symmetrically arranged wedge blocks 15 are fixedly connected to the outer wall of the clamp head 6; the wedge 15 is arranged at one side of the third spring 12, and the wedge 15 is further provided with a groove 23 matched with the movable block 18.
The bottom fixedly connected with shrouding 25 of binding clip 6, be provided with in the slide opening 24 with shrouding 25 fixed connection's square pole 19, third spring 12 cover is established on square pole 19, movable block 18 and square pole 19 sliding connection, and third spring 12 one end links to each other with shrouding 25, and the third spring 12 other end links to each other with movable block 18, and third spring 12 is used for the reset work of movable block 18.
Under the effect of the closing plate 25, the sliding hole 24 is blocked, and under the effect of the square rod 19, the movable block 18 can only slide along the length direction of the square rod 19 without rotating, wherein the third spring 12 is always in a compressed state, so that under the effect of the third spring 12, the movable block 18 is in contact with the forceps head 6 under the initial state.
Inclined planes are arranged at two ends of the movable block 18, a first inclined plane is arranged at one side of the wedge block 15, a first straight plane is arranged at the other side of the wedge block 15, a second inclined plane is arranged at one side of the movable clamping jaw 16, and a second straight plane is arranged at the other side of the movable clamping jaw 16. The width of the wedge 15 is greater than the width of the movable block 18 so that a first straight surface of the wedge 15 contacts a second straight surface of the movable jaw 16, the groove 23 is arranged in the first straight surface, the groove 23 is matched with the movable block 18, and half of the volume of the movable block 18 can move into the groove 18.
When the wedge 15 is located between the movable jaw 16 and the top plate 13, the fourth spring 14 is in a compressed state, the first straight surface of the wedge 15 is in close contact with the second straight surface of the movable jaw 16, so that the clamp head 6 is prevented from shaking, and the contact surface of the wedge 15 and the movable jaw 16 is a straight surface, so that the clamp head 6 can be well fixed. The binding clip 6 comprises a plurality of specifications, and the binding clip 6 with the corresponding specification can be selected according to actual requirements.
The upper clamp body and the lower clamp body are also provided with a first chute 22 and a cavity, the cavity is communicated with the first chute 22, and an extension handle 2 is connected in the cavity in a sliding way; the cavity internal rotation is connected with bull stick 8, and 8 one ends of bull stick are provided with first thorn, and extension handle 2 one side is provided with the first ratchet with first thorn looks adaptation, and sliding connection has first button 3 in the first spout 22, and the other end of bull stick 8 rotates with first button 3 and is connected.
Wherein, still be provided with the dead lever in the cavity, dead lever and pincers body 1 fixed connection, the middle part and the dead lever of bull stick 8 rotate to be connected, and bull stick 8 can rotate around the dead lever. First 3 one ends fixedly connected with stoppers of button, the stopper slides all the time and sets up in first spout 21, stopper and bull stick 8 rotate to be connected, and the 3 other ends of button set up in the outside of first spout 21.
Still be provided with the locating lever 20 with pincers body 1 fixed connection in the first spout 22, first button 3 and locating lever 20 sliding connection, the cover is equipped with first spring 7 on the locating lever 20, and first spring 7 one end links to each other with pincers body 1, and the first spring 7 other end links to each other with the stopper.
The first spring 7 is always in a compressed state, so that under the action of the first spring 7, the limiting block and the forceps body 1 are in a close contact state, and at the moment, the first thorns on the rotating rod 8 and the first thorns on the extension handle 2 are mutually matched, so that the relative fixing work of the position of the extension handle 2 is realized.
The upper clamp body and the lower clamp body are respectively and fixedly connected with an arc-shaped slide rail 4 and an arc-shaped slide rod 5, and the arc-shaped slide rod 5 is arranged in the arc-shaped slide rod 4 in a sliding manner; the arc-shaped slide rail 4 is provided with a second slide groove 22, a second spring 10 and a second button 11 are arranged in the second slide groove 22 in a sliding manner, and the second button 11 is connected with the arc-shaped slide rail 4 through the second spring 10; one end of the second button 11 is provided with a second thorn, and one side of the arc-shaped sliding rod 5 is provided with a second thorn matched with the second thorn.
The second spring 10 is sleeved on the second button 11, one end of the second spring 10 is connected with the arc-shaped slide rail 4, the other end of the second spring 10 is connected with the second button 11, and the second spring 10 is always in a compressed state, so that the second thorn of the second button 11 and the second thorn of the arc-shaped slide bar 5 are in a mutual contact state.
Because one side of the contact surface of the second thorn and the second ratchet tooth is an inclined surface, and the other side is a straight surface, when the pliers body 1 is pressed, the arc-shaped slide rod 5 can slide in the arc-shaped slide rail 4, and under the action of the inclined surface, the second button 11 can be driven to slide in the second slide groove 22, so that the second spring 10 is compressed, and the automatic locking work of the pliers body 1 can be realized under the action of the straight surface after the pliers body 1 is pressed.
The invention also provides a use method of the dental forceps, and the dental forceps also comprises the dental forceps,
when the binding clip 6 is installed, the method comprises the following steps:
s1: moving the binding clip 6 inwards in the third sliding groove 26, wherein the first inclined surface of the wedge block 15 is in contact with the first inclined surface of the movable clamping jaw 16, and as the binding clip 6 continues to move inwards, the wedge block 15 drives the movable clamping jaw 16 to slide inwards, so that the fifth spring 17 is compressed;
s2: when the wedge block 15 jumps over the movable jaw 16, the wedge block moves to a position between the movable jaw 16 and the top plate 13, the top plate 13 is in contact with the binding clip 6 at the moment, under the action of the fourth spring 14, the first straight surface of the wedge block 15 is in contact with the second straight surface of the movable jaw 16, and the fourth spring 14 is in a compressed state at the moment, so that the installation work of the binding clip 6 is completed;
when the binding clip 6 is disassembled, the method comprises the following steps:
s11: the tong head 6 is continuously moved inwards, and after the inclined surface of the movable jaw 16 is contacted with the second inclined surface of the movable block 18, the movable block 18 drives the movable jaw 16 to slide inwards along with the continuous inward movement of the tong head 6, so that the fifth spring 17 is compressed;
s12: when the movable block 18 jumps over the movable jaw 16, the movable block 18 moves between the movable jaw 16 and the wedge 15, the movable block 18 moves into the groove 23 of the wedge 15 under the action of the fourth spring 14, and the inclined surface of the movable block 18 is in contact with the second straight surface of the movable jaw 16;
s13: the binding clip 6 is pulled outwards, the movable block 18 drives the movable clamping jaw 16 to slide inwards, the fifth spring 17 is compressed, and the movable block 18 drives the wedge block 15 to jump over the movable clamping jaw 16, so that the dismounting work of the binding clip 6 is completed.
When the length of the extension handle 2 needs to be adjusted: pressing first button 3, first button 3 drives bull stick 8 and rotates, makes the first thorn of bull stick 8 break away from the first thorn of extension handle 2, and extension handle 2 can freely move in the cavity of pincers body 1, after the suitable length of adjustment extension handle 2, loosens first button 3, under the effect of first spring 7, first button 3 drives bull stick 8 and rotates, makes the first thorn of bull stick 8 and the first thorn intermeshing of extension handle 2.
When the tooth extraction work is carried out, the pincer body 1 is pressed, the arc-shaped sliding rod 5 moves in the arc-shaped sliding rail 4, at the moment, the second ratchet of the arc-shaped sliding rod 5 and the second ratchet of the second button 11 are matched with each other, so that the second button 11 is driven to move in the second sliding groove 22, the second spring 10 is compressed, and the automatic locking work of the pincer body 1 after the pincer body 1 is pressed is realized.
After the tooth extraction operation is completed, the second button 11 is pulled outwards, so that the second ratchet of the arc-shaped slide rod 5 and the second ratchet of the second button 11 are separated from each other, and at the moment, the arc-shaped slide rod 5 can freely slide in the arc-shaped slide rail 4.
It should be noted that, after the installation of the binding clip 6 is completed, the first straight surface of the wedge 15 contacts the first straight surface of the movable jaw 16, so as to realize the relative fixing work of the position of the binding clip 6, and prevent the binding clip 6 from separating during the tooth extraction process, when the binding clip 6 is replaced, the movable block 18 jumps over the movable jaw 16 and then moves into the groove 23 of the wedge 15, at this time, the binding clip 6 is pulled outwards, the movable block 18 can drive the wedge 15 to jump over the movable jaw 16, so as to realize the disassembly work of the binding clip 6, therefore, the binding clip 6 of the tooth extraction forceps can be freely replaced according to the actual needs, so as to meet the needs of different teeth, so that the medical staff does not need to prepare too many tooth extraction forceps, and the use cost of the whole is reduced.
In addition, the rotatable rotating rod 8 is arranged, the first button 3 can drive the rotating rod 8 to rotate, so that the first thorn of the rotating rod 8 is separated from the first thorn of the extension handle 2, the extension handle 2 can freely slide in the cavity of the forceps body 1, the length of the extension handle 2 is adjusted, and tooth extraction work is facilitated.
In addition, the arc-shaped sliding rail 4 is further arranged, when the forceps body 1 is pressed, the arc-shaped sliding rod 5 can slide in the arc-shaped sliding rail 4, the second ratchet of the arc-shaped sliding rod 5 is matched with the second ratchet of the second button 11, automatic locking work of the forceps body 1 after the forceps body 1 is pressed is achieved, the forceps body 1 does not need to be pressed all the time, and therefore follow-up tooth extraction work is facilitated.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The tooth forceps comprise a forceps body (1), and are characterized in that third sliding grooves (26) are formed in the upper end and the lower end of the forceps body (1), forceps heads (6), a top plate (13) and movable jaws (16) are arranged in the third sliding grooves (26) in a sliding mode, the top plate (13) is connected with the forceps body (1) through a fourth spring (14), and the movable jaws (16) are connected with the forceps body (1) through a fifth spring (17); the clamp head (6) is provided with a sliding hole (24), a movable block (18) is arranged in the sliding hole (24) in a sliding mode, the movable block (18) is connected with the clamp head (6) through a third spring (12), and symmetrically arranged wedge blocks (15) are fixedly connected to the outer wall of the clamp head (6); the wedge block (15) is arranged on one side of the third spring (12), and a groove (23) matched with the movable block (18) is further formed in the wedge block (15).
2. The dental forceps as claimed in claim 1, characterized in that a square rod (19) fixedly connected with the forceps head (6) is arranged in the slide hole (24), the third spring (12) is sleeved on the square rod (19), the movable block (18) is slidably connected with the square rod (19), one end of the third spring (12) is connected with the forceps body (1), and the other end of the third spring (12) is connected with the movable block (18).
3. The dental forceps as claimed in claim 2, characterized in that the movable block (18) is provided with inclined surfaces at both ends, the wedge (15) is provided with a first inclined surface at one side, the wedge (15) is provided with a first straight surface at the other side, the groove (23) is provided in the first straight surface, the movable jaw (16) is provided with a second inclined surface at one side, and the movable jaw (16) is provided with a second straight surface at the other side.
4. A forceps as claimed in claim 3, characterised in that when the wedge (15) is located between the movable jaw (16) and the top plate (13), the fourth spring (14) is in compression and the first straight face of the wedge (15) is in contact with the second straight face of the movable jaw (16); in the initial state, the third spring (12) is in a compressed state, so that the movable block (18) is in contact with the forceps head (6).
5. The tooth forceps as claimed in claim 1, characterized in that the upper and lower ends of the forceps body (1) are further provided with a first chute (22) and a cavity, the cavity is communicated with the first chute (22), and an extension handle (2) is slidably connected in the cavity; the hollow cavity is rotationally connected with a rotating rod (8), one end of the rotating rod (8) is provided with a first thorn, one side of the extension handle (2) is provided with a first thorn matched with the first thorn, the first sliding groove (22) is connected with a first button (3) in a sliding mode, and the other end of the rotating rod (8) is rotationally connected with the first button (3).
6. The tooth forceps according to claim 5, characterized in that a positioning rod (20) fixedly connected with the forceps body (1) is further arranged in the first sliding groove (22), the first button (3) is slidably connected with the positioning rod (20), a first spring (7) is sleeved on the positioning rod (20), one end of the first spring (7) is connected with the forceps body (1), and the other end of the first spring (7) is connected with the first button (3).
7. The dental forceps as claimed in claim 1, wherein the upper and lower ends of the forceps body (1) are further fixedly connected with an arc-shaped slide rail (4) and an arc-shaped slide rod (5) respectively, and the arc-shaped slide rod (5) is slidably arranged in the arc-shaped slide rail (4); the arc-shaped sliding rail (4) is provided with a second sliding chute (22), a second spring (10) and a second button (11) are arranged in the second sliding chute (22) in a sliding mode, and the second button (11) is connected with the arc-shaped sliding rail (4) through the second spring (10); one end of the second button (11) is provided with a second thorn, and one side of the arc-shaped sliding rod (5) is provided with a second thorn matched with the second thorn.
8. A method of using a dental forceps, characterized in that a dental forceps according to any of claims 4-7 is used,
when the binding clip (6) is installed, the method comprises the following steps:
s1: the tong head (6) moves inwards in the third sliding groove (26), the first inclined surface of the wedge block (15) is contacted with the first inclined surface of the movable clamping jaw (16), and the wedge block (15) drives the movable clamping jaw (16) to slide inwards along with the continuous inward movement of the tong head (6) so that the fifth spring (17) is compressed;
s2: when the wedge block (15) jumps over the movable jaw (16), the wedge block moves to a position between the movable jaw (16) and the top plate (13), the top plate (13) is in contact with the tong head (6), under the action of a fourth spring (14), a first straight surface of the wedge block (15) is in contact with a second straight surface of the movable jaw (16), and the fourth spring (14) is in a compressed state, so that the installation work of the tong head (6) is completed;
when the binding clip (6) is disassembled, the method comprises the following steps:
s11: the tong head (6) is continuously moved inwards, and after the inclined surface of the movable clamping jaw (16) is contacted with the second inclined surface of the movable block (18), the movable block (18) drives the movable clamping jaw (16) to slide inwards along with the continuous inward movement of the tong head (6), so that the fifth spring (17) is compressed;
s12: when the movable block (18) jumps over the movable clamping jaw (16), the movable block (18) moves to a position between the movable clamping jaw (16) and the wedge block (15), the movable block (18) moves into the groove (23) of the wedge block (15) under the action of the fourth spring (14), and the inclined surface of the movable block (18) is in contact with the second straight surface of the movable clamping jaw (16);
s13: the clamp head (6) is pulled outwards, the movable block (18) drives the movable clamping jaw (16) to slide inwards, the fifth spring (17) is compressed, and the movable block (18) drives the wedge block (15) to jump over the movable clamping jaw (16), so that the disassembly work of the clamp head (6) is completed.
9. A method of use of a dental forceps as claimed in claim 8, characterized in that when the length of the extension grip (2) needs to be adjusted: pressing first button (3), first button (3) drive bull stick (8) rotate, make the first thorn of bull stick (8) break away from the first thorn tooth of extension handle (2), extension handle (2) can be in the cavity of the pincers body (1) free movement, after adjustment extension handle (2) suitable length, loosen first button (3), under the effect of first spring (7), first button (3) drive bull stick (8) rotate, make the first thorn of bull stick (8) and the first thorn intermeshing of extension handle (2).
10. The method for using the tooth extraction forceps as claimed in claim 8, wherein the forceps body (1) is pressed during tooth extraction, the arc-shaped slide rod (5) moves in the arc-shaped slide rail (4), and at this time, the second ratchet of the arc-shaped slide rod (5) and the second ratchet of the second button (11) are mutually matched, so as to drive the second button (11) to move in the second sliding groove (22), so that the second spring (10) is compressed, and the automatic locking operation of the forceps body (1) after the forceps body (1) is pressed is realized.
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| CN115068131B (en) | 2024-05-17 |
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Effective date of registration: 20240419 Address after: Xi'an Central Hospital, 161 Xiwu Road, Xincheng District, Xi'an City, Shaanxi Province, 710003 Applicant after: XI'AN CENTRAL Hospital Country or region after: China Address before: Building 1, No. 29, Section 2, Renmin Middle Road, Qingyang District, Chengdu, Sichuan 610000 Applicant before: Su Zili Country or region before: China |
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