CN215840951U

CN215840951U - Needle holding forceps

Info

Publication number: CN215840951U
Application number: CN202122085570.3U
Authority: CN
Inventors: 李燕玲; 蒋腊梅; 黄俏荣; 袁梅; 莫一岚
Original assignee: First Peoples Hospital of Nanning
Current assignee: First Peoples Hospital of Nanning
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-02-18
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a needle holder. The needle holding forceps comprise two mutually hinged forceps bodies, wherein the front ends of the two forceps bodies are forceps heads, the rear ends of the two forceps bodies are forceps handles, the needle holding forceps further comprise a clamping device, the clamping device comprises a fastening rod and a fastening block provided with a connecting groove, the fastening rod stretches across between the two forceps handles, one end of the fastening rod is rotatably connected with one of the forceps handles, a pressing piece is arranged at the other end of the fastening rod, the fastening block is arranged on the other forceps handle, and when the fastening rod is located in the connecting groove, the pressing piece can enable the forceps heads to be clamped tightly. The utility model can clamp the needle head so as to facilitate the installation or the disassembly of the needle head by medical staff.

Description

Needle holding forceps

Technical Field

The utility model relates to the field of medical instruments, in particular to a needle holder.

Background

Oral anesthesia is one of the most important basic operations in the department of stomatology, and is a necessary technology for completing extraoral and intraoral repair. At present, an injector used by medical staff during oral anesthesia is still a common injector and comprises a needle cylinder, a pull rod piston and a needle head, wherein before the medical staff injects anaesthetics such as Bilan (articaine epinephrine injection) and the like, the disposable disinfection injection needle head needs to be installed or replaced, the needle head and the needle cylinder are generally installed or separated by hands, and in the process, the medical staff can easily stab the hands by the needle head carelessly, so that the infection risk of the medical staff is increased. Therefore, in order to reduce the risk of the medical staff being punctured, a clamping tool which can replace the medical staff to contact the needle by hands to install or dismantle the needle is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a needle holder which can hold a needle head so as to facilitate the mounting or dismounting of the needle head and a needle cylinder by medical staff.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a needle holding forceps, includes two mutual articulated pincers bodies, and two pincers body front ends are the binding clip, the rear end is the pincers handle, still includes clamping device, and clamping device includes the anchorage bar and is provided with the fastening block of spread groove, and the anchorage bar spans between two pincers handles, and its one end is rotated with one of them pincers handle and is connected, and the other end is provided with the compressing tightly piece, and the anchorage bar sets up on another pincers handle, and when the anchorage bar was located in the spread groove, the compressing tightly piece can make the binding clip press from both sides tightly.

As a further improvement of the above technical solution:

the pressing piece comprises a limiting plate, a sliding block and a spring, the limiting plate is connected to the end portion of the fastening rod, the sliding block is movably sleeved outside the fastening rod, and the spring is sleeved outside the fastening rod and is connected with the limiting plate and the sliding block at two ends respectively.

The clamp handle connected with the fastening rod in a rotating mode is provided with a connecting rod, the upper end of the connecting rod is provided with a limiting block, the fastening rod is provided with a connecting ring, the connecting ring is sleeved on the connecting rod in a rotating mode, and the aperture of the connecting ring is smaller than the diameter of the limiting block.

The connecting groove notch is positioned on one side of the fastening block facing the binding clip.

The clamping surface of the forceps head is arranged in a tooth shape.

The clamping surfaces of the two clamp heads are symmetrically provided with clamping grooves.

Furthermore, the lower end surfaces of the two clamp heads are respectively connected with a clamping piece, and the clamping groove extends from the clamp heads to the tail ends of the clamping pieces.

The utility model has the beneficial effects that:

the utility model comprises a forceps head, a forceps handle and a clamping device, wherein the clamping device comprises a fastening rod and a fastening block provided with a connecting groove, when in use, a needle head can be clamped through the forceps head, the fastening rod is shifted into the connecting groove of the fastening block to limit the fastening rod, so that the forceps head is clamped and locked, the needle head is stably clamped, the operation is simple and convenient, the needle head does not need to be pulled out by hands, and the risk that medical staff are stabbed by the needle head is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

FIG. 1 is a schematic view showing a structure of the present invention when the binding clip is clamped.

Fig. 2 is an enlarged view of the area a of fig. 1.

Fig. 3 is a schematic view of the pliers head of the present invention when released.

Fig. 4 is an enlarged view of the region B of fig. 3.

Reference numbers in the figures: 1. a clamp body; 11. a binding clip; 111. a clamping groove; 12. a forceps handle; 121. a limiting block; 2. a clamping device; 21. a fastening rod; 211. a connecting ring; 212. a compression member; 213. a limiting plate; 214. a slider; 215. a spring; 22. a fastening block; 221. connecting grooves; 3. a clip.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.

As shown in fig. 1 to 4, the needle holder of the present embodiment includes two mutually hinged forceps bodies 1 and a clamping device 2, the front ends of the two forceps bodies 1 are forceps heads 11, the rear ends are forceps handles 12, and the clamping device 2 is used for clamping and locking the forceps heads 11.

The clamping surfaces of the two forceps heads 11 are both provided with teeth, the clamping surfaces of the two forceps heads 11 are symmetrically provided with semicircular clamping grooves 111, and the clamping grooves 111 form circular grooves after the two forceps heads 11 are combined. The lower terminal surface at two binding clip 11 is connected with a clamping piece 3 respectively, and presss from both sides groove (111) and extends to the end of clamping piece (3) by binding clip (11), and the length of clamping piece 3 can set up according to actual conditions for live the syringe needle parcel, avoid accidentally stabbing other people or oneself when pulling out the needle.

The tail end of the forceps handle 12 is provided with a hand-held ring, so that the forceps handle is convenient to hold. A connecting rod is arranged on one of the forceps handles 12, and a limiting block 121 is arranged at the upper end of the connecting rod.

The clamping device 2 comprises a fastening rod 21 and a fastening block 22 provided with a coupling slot 221, the coupling slot 221 being located on the side of the fastening block 22 facing the binding clip 11. The both ends of anchorage bar 21 are rotation end and compress tightly the end respectively, and anchorage bar 21 stretches over between two pincers handles 12, rotates end and pincers handle 12 rotatable coupling, and anchorage bar 21 rotates the end and is provided with go-between 211, and the rotatable cover of go-between 211 is established on the connecting rod, and the aperture of go-between 211 is less than the diameter of stopper 121. A compression member 212 is disposed on the compression end. The fastening block 22 is arranged on the other forceps holder 12. The fastening rod 21 can be rotated into the connecting groove 221 of the fastening block 22 by rotating the fastening rod 21 with the connecting position of the rotating end as a rotating shaft, and the pressing piece 212 is used for limiting the fastening rod 21 in the connecting groove 221 so as to clamp the forceps head 11.

Specifically, the pressing part 212 includes limiting plate 213, slider 214 and spring 215, limiting plate 213 is connected at the tip that fastening rod 21 compressed tightly the end, the mobilizable cover of slider 214 is established outside fastening rod 21, spring 215 is established outside fastening rod 21, and spring 215 is located between limiting plate 213 and slider 214, limiting plate 213 and slider 214 are connected respectively at both ends, when rotating fastening rod 21 to connecting groove 221 in, slip slider 214 to the connecting groove 221 outside, spring 215 is compressed and is produced elasticity, make slider 214 compress tightly in fastening block 22 outer wall, realize spacing to fastening rod 21.

When the novel needle clamp is used, the common needle is clamped by the clamp head 11, and the clamping surface of the clamp head 11 is toothed, so that the friction force between the novel needle clamp and the needle can be increased; after the needle head is clamped, as the fastening rod 21 is rotatably connected with the forceps handle 12 on one side, the fastening rod 21 can be rotated into the connecting groove 221 of the fastening block 22, and the sliding block 214 can slide to the outer side of the connecting groove 221, so that the fastening rod 21 is limited, and the needle head can be conveniently pulled out or mounted by clamping and locking the needle head. The needle head does not need to be pulled out by hands, and the risk that medical staff are stabbed by the needle head is reduced.

It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. Needle forceps includes two mutually articulated pincers bodies (1), two pincers body (1) front end is binding clip (11), rear end for pincers handle (12), its characterized in that: the clamp is characterized by further comprising a clamping device (2), wherein the clamping device (2) comprises a fastening rod (21) and a fastening block (22) provided with a connecting groove (221), the fastening rod (21) stretches across between the two clamp handles (12), one end of the fastening rod is rotatably connected with one of the clamp handles (12), a pressing piece (212) is arranged at the other end of the fastening rod, the fastening block (22) is arranged on the other clamp handle (12), and when the fastening rod (21) is located in the connecting groove (221), the pressing piece (212) can enable the clamp head (11) to be clamped.

2. The needle holder according to claim 1, wherein: compress tightly piece (212) including limiting plate (213), slider (214) and spring (215), the tip at anchorage bar (21) is connected in limiting plate (213), the mobilizable cover of slider (214) is established outside anchorage bar (21), limiting plate (213) and slider (214) are connected respectively at both ends to spring (215) cover and establish outside anchorage bar (21).

3. The needle holder according to claim 1, wherein: the clamp is characterized in that a connecting rod is arranged on a clamp handle (12) rotatably connected with the fastening rod (21), a limiting block (121) is arranged at the upper end of the connecting rod, a connecting ring (211) is arranged on the fastening rod (21), the connecting ring (211) is rotatably sleeved on the connecting rod, and the aperture of the connecting ring (211) is smaller than the diameter of the limiting block (121).

4. The needle holder according to claim 3, wherein: the notch of the connecting groove (221) is positioned on one side of the fastening block (22) facing the binding clip (11).

5. The needle holder according to claim 1, wherein: the clamping surface of the forceps head (11) is arranged to be tooth-shaped.

6. The needle holder according to claim 1, wherein: clamping grooves (111) are symmetrically arranged on the clamping surfaces of the two tong heads (11).

7. Needle holder according to claim 6, characterized in that: the lower end faces of the two clamp heads (11) are respectively connected with a clamping piece (3), and the clamping groove (111) extends to the tail end of the clamping piece (3) from the clamp heads (11).