CN213030881U - Pulp forceps - Google Patents

Abstract

The utility model relates to a pulp forceps, including two tweezers arms, the one end integrated into one piece of two tweezers arms forms the tweezers handle, and other end interval forms the free end, the free end of two tweezers arms all is equipped with pulls out the broach and locks the tooth, pull out the broach with tweezers arm fixed connection, the lock tooth is located two relative both sides of tweezers arm respectively, it is connected with the tweezers arm rotation to lock the tooth, the lock tooth can produce relative rotation through the control of extrusion device. The utility model discloses a pulp forceps for removing marrow is different from traditional single broach for the tip through remolding two broach into tweezers for when removing the pulp, two relative both sides that can extrude the pulp simultaneously between pulling out the broach, in order to increase the traction force of pulling out the broach when pulling out the pulp, thereby make and pull out the marrow easier.

Description

Pulp forceps

Technical Field

The utility model relates to the technical field of dental medical instruments, in particular to dental pulp marrow-pulling forceps.

Background

In the oral cavity, when a patient is clinically treated with periodontal diseases such as pulpitis, pulpal necrosis and apicitis, the necrotic pulpal pulp needs to be removed, so that in the prior art, a broach is usually used to remove degenerated and necrotic pulpal tissue in the root canal or to remove cotton twist left in the root canal. The traditional broach is a generally straight broach, and the angle is required to be adjusted continuously to find the best stress point for removing dental pulp when in use, however, because the traditional broach is only one and the traction force is weak, the thick dental pulp is difficult to be removed, the angle is required to be adjusted repeatedly and larger force is required to be used, and because the space inside the oral cavity is limited, the dental pulp needle is easy to stab the oral mucosa carelessly when frequently used, and the pulp tissue close to the apical part in the root canal is easy to remain when the angle is not adjusted to the position during the removal of the dental pulp, thereby affecting the effect of the root canal therapy of grinding the teeth.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a dental pulp forceps for extracting pulp to solve the above technical problems.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a pulp forceps, includes two tweezers arms, the one end integrated into one piece of two tweezers arms forms the tweezers handle, and the other end interval forms the free end, the free end of two tweezers arms all is equipped with pulls out the broach and locks the tooth, pull out the broach with tweezers arm fixed connection, lock the tooth and be located two relative both sides of tweezers arm respectively, lock the tooth and rotate with the tweezers arm and be connected, it can produce relative rotation through extrusion device's control to lock the tooth.

Furthermore, the number of the extrusion devices is two, the two extrusion devices are respectively fixed on the two forceps arms, and the two extrusion devices are respectively used for controlling the rotation of the lock teeth on the two forceps arms.

Further, extrusion device includes button and torsional spring, the button runs through and inserts and locate on the tweezers arm, the torsional spring with tweezers arm swing joint, the one end of torsional spring with the button butt, the other end with lock tooth butt.

Furthermore, the inner side surface of the forceps arm is fixedly provided with a limiting rod, and the torsion spring is inserted on the limiting rod.

Furthermore, the button and the cooperation between the forceps arms are in clearance fit, and two ends of the button are both provided with limiting blocks.

Furthermore, the lock tooth includes locking portion and extrusion portion, locking portion and extrusion portion pass through pivot fixed connection, the pivot with the tweezers arm rotates to be connected.

Furthermore, the side wall of the broach is provided with a barb.

Furthermore, the outer side of the forceps handle is provided with anti-slip lines.

The utility model discloses compare in prior art's beneficial effect and be:

the utility model discloses a pulp forceps for removing marrow is different from traditional single broach for the tip through remolding two broach into tweezers for when removing the pulp, two relative both sides that can extrude the pulp simultaneously between pulling out the broach, in order to increase the traction force of pulling out the broach when pulling out the pulp, thereby make and pull out the marrow easier. Additionally, the utility model discloses still be equipped with the lock tooth at the free end of tweezers arm, control through extrusion device can make two lock teeth take place relative rotation, and the lock tooth can further press from both sides tight pulp when rotating, and the locking force through the lock tooth and the traction force of two broach pulls out can further increase the utility model discloses the traction force of pulling out the marrow tweezers to improve and pull out marrow efficiency and pull out the marrow effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the forceps for removing marrow according to the embodiment of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a top view of the forceps for extracting marrow according to the embodiment of the present invention.

Figure 4 is a schematic view of the connection structure of the lock tooth, the broach and the forceps handle of the embodiment of the utility model.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1-4, a preferred embodiment of the present invention is as follows.

The utility model provides a pulp marrow picking tweezers, includes two tweezers arms 1, the one end integrated into one piece of two tweezers arms 1 forms the tweezers handle, the other end interval forms the free end, the free end of two tweezers arms 1 all is equipped with pulls out the broach 2 and locks the tooth 3, pulls out broach 2 and tweezers arm 1 fixed connection, locks the tooth 3 and is located two relative both sides of tweezers arm 1 respectively, lock tooth 3 and tweezers arm 1 rotate and be connected, lock tooth 3 can produce relative rotation through the control of extrusion device 4. The thick root canal pulp extraction forceps of the embodiment is different from the traditional single pulp extraction needle 2, and the two pulp extraction needles 2 are modified into the end parts of the forceps, so that when the dental pulp is extracted, the two pulp extraction needles 2 can simultaneously extrude the two opposite sides of the dental pulp, the traction force of the pulp extraction needle 2 when the pulp is extracted is increased, and the pulp extraction is easier. In addition, this embodiment still is equipped with lock tooth 3 at the free end of tweezers arm 1, and the control through extrusion device 4 can make two lock teeth 3 take place relative rotation, and lock tooth 3 can further press from both sides tight pulp when rotating, and the locking force through lock tooth 3 and the traction force of two broach 2 can further increase the utility model discloses the traction force of broach forceps to improve broach efficiency and broach effect.

In the embodiment, the number of the extrusion devices 4 is two, the two extrusion devices 4 are respectively fixed on the two forceps arms 1, and the two extrusion devices 4 are respectively used for controlling the rotation of the lock teeth 3 on the two forceps arms 1. The forceps for removing marrow of this embodiment is held for the one hand and is used, because the finger is placed respectively on two forceps arms 1 when holding, consequently is equipped with extrusion device 4 respectively on two forceps arms 1 to conveniently realize the independent control to two lock teeth 3.

In this embodiment, the pressing device 4 includes a button 42 and a torsion spring 41, the button 42 penetrates through and is inserted on the forceps arm 1, the torsion spring 41 is movably connected with the forceps arm 1, one end of the torsion spring 41 abuts against the button 42, and the other end abuts against the lock tooth 3. One of the torsion arms of the torsion spring 41 abuts against the button 42, and the other torsion arm abuts against the lock tooth 3, so that when the button 42 is pressed, the button 42 presses one of the torsion arms of the torsion spring 41, and in order to keep the original shape of the torsion spring 41, the other torsion arm also rotates in the opposite direction, and further presses one end of the lock tooth 3, so that the lock tooth 3 rotates to generate warping, and when the button 42 is not loosened, the lock tooth 3 is always kept fixed, so that the locking function of the lock tooth is realized.

In this embodiment, the inner side surface of the forceps arm 1 is fixedly provided with a limiting rod 11, and the torsion spring 41 is inserted on the limiting rod 11. Two torsion arms of the torsion spring 41 are free ends, so that in order to avoid the torsion spring 41 from being separated from the forceps arm 1, the torsion spring 41 is fixed by adding the limiting rod 11 on the forceps arm 1, so that the torsion spring 41 does not influence the rotation of the torsion spring 41 when not being separated from the torsion arms, and the working performance of the torsion spring 41 is ensured. It should be noted that a certain distance is formed between the limiting rod 11 and the forceps arm 1, and the distance can be achieved by extending fixing blocks at two ends of the limiting rod 11 to connect with the forceps arm 1, so that the torsion spring 41 can be inserted into the limiting rod 11 and can maintain a certain degree of freedom.

In this embodiment, the button 42 is in clearance fit with the forceps arm 1, and both ends of the button 42 are provided with limit blocks. The length of the button 42 should be greater than the thickness of the forceps arm 1 in order to allow the button 42 sufficient space to move to achieve the pressing function, and the limiting block is used for preventing the button 42 from separating from the forceps arm 1 to affect the use effect.

In the embodiment, the locking tooth 3 comprises a locking part 31 and a pressing part 32, the locking part 31 and the pressing part 32 are fixedly connected through a rotating shaft 33, and the rotating shaft 33 is rotatably connected with the forceps arm 1. The locking part 31 is attached to the inner side surface of the forceps arm 1 in the initial state, the extrusion part 32 keeps a certain angle with the forceps arm 1, the torsion spring 41 is abutted to the extrusion part 32, and when the torsion spring 41 pushes the extrusion part 32, the extrusion part 32 and the locking part 31 can simultaneously rotate around the rotating shaft 33, so that the locking part 31 extends out to contact the dental pulp.

In this embodiment, the side walls of the broach 2 are provided with barbs 21, the barbs 21 serving to increase the traction force during extraction of the medullary.

In the embodiment, the outer side of the forceps handle is provided with anti-skid lines 12 for skid resistance.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims (8)

1. The utility model provides a pulp marrow pulling forceps, includes two tweezers arms, the one end integrated into one piece of two tweezers arms forms the tweezers handle, and the other end interval forms the free end, its characterized in that, the free end of two tweezers arms all is equipped with pulls out the broach and locks the tooth, pull out the broach with tweezers arm fixed connection, the lock tooth is located two relative both sides of tweezers arm respectively, it is connected with the tweezers arm rotation to lock the tooth, the lock tooth can produce relative rotation through extrusion device's control.

2. The endodontic myeloextractor forceps of claim 1, wherein there are two squeezing devices, and two squeezing devices are respectively fixed on the two forceps arms, and are respectively used for controlling the rotation of the locking teeth on the two forceps arms.

3. The endodontic myeloextractor forceps according to claim 2, wherein the pressing device comprises a button and a torsion spring, the button is inserted through the forceps arm, the torsion spring is movably connected with the forceps arm, one end of the torsion spring abuts against the button, and the other end of the torsion spring abuts against the lock tooth.

4. The endodontic myeloextractor forceps according to claim 3, wherein a limiting rod is fixedly arranged on the inner side surface of the forceps arm, and the torsion spring is inserted on the limiting rod.

5. The endodontic myeloextractor forceps of claim 3, wherein the button is in clearance fit with the forceps arms, and both ends of the button are provided with limiting blocks.

6. The endodontic myeloextractor forceps of claim 1, wherein the locking tooth comprises a locking portion and a pressing portion, the locking portion and the pressing portion are fixedly connected through a rotating shaft, and the rotating shaft is rotatably connected with the forceps arms.

7. The endodontic forceps of any one of claims 1-6 wherein the side walls of the broach are provided with barbs.

8. The endodontic myeloextracting forceps of any one of claims 1-6, wherein the outer side of the forceps handle is provided with anti-slip lines.

Images