CN210354825U - Bone chisel - Google Patents

Abstract

The utility model discloses an osteotome through setting up oblique radial first handle for when using the osteotome, external force passes to the chisel rod through the side direction, and at this moment, the finger combination of application of force or palm can not block doctor's sight, can make the doctor observe the real-time status of operation at any time, improve the degree of accuracy of operation.

Description

Bone chisel

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to osteotome.

Background

Osteotomes, as the name implies, are medical application instruments used in bone surgery. In the prior art, an osteotome is generally integrally provided, and generally comprises a chisel head, a chisel rod and a handle, wherein the chisel head is used for breaking a bone part needing an operation, the chisel rod is used for transmitting a force applied to the chisel head, and the handle generally plays a role in supporting or applying a force.

With the rapid development of medical technology, orthopedic minimally invasive surgery is increasingly applied to practical processes, wherein, in order to reduce the pain of patients, the orthopedic minimally invasive surgery process is generally carried out by using a sleeve, during surgery, when the sleeve is extended to a bone part needing surgery through a minimally invasive incision, when the existing osteotome structure is used, the palm or fingers of a doctor are required to hold the handle, so that the observation of the doctor in the sleeve is obstructed by the palm or the fingers of the doctor, the surgery on the surgery part is difficult to be accurately carried out, and the accuracy of the surgery is further influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an osteotome, it includes: an osteotome, comprising:

a chisel rod; one end of the chisel rod is connected with a chisel head, the other end of the chisel rod is provided with a first handle along the oblique radial direction, and the first handle is of a straight rod type.

Further, the drilling tool further comprises a second handle, and one end of the second handle is connected with the end, far away from the chisel rod, of the first handle.

Further, the end of the second handle far away from the first handle forms a first pier head.

Furthermore, the end part, far away from the chisel head, of the chisel rod is connected with a second pier head, and the second pier head is detachably connected with the chisel rod.

Further, an extension line of the second handle pointing to the chisel head passes through a connection part of the chisel head and the chisel rod.

The novel electric chisel further comprises a first auxiliary rod and a second auxiliary rod which are connected with each other, meanwhile, the other end of the first auxiliary rod is connected with the end, far away from the chisel head, of the chisel rod, and the other end of the second auxiliary rod is connected with the connection position of the first handle and the second handle.

Further, a concave arc structure is formed on the first auxiliary rod.

Further, the chisel head is detachably connected with the chisel rod.

Preferably, the first handle is curved.

Compared with the prior art, the technical scheme of the utility model have following advantage:

(1) the utility model discloses an osteotome is through setting up oblique radial first handle for when using the osteotome, external force passes to the chisel rod through the side direction, and at this moment, the finger combination of application of force or palm can not block doctor's sight, can make the doctor observe the real-time status of operation at any time, improves the degree of accuracy of operation.

(2) The osteotome of the utility model is provided with the second handle, when in use, the end part of the second handle is propped against the palm part of a doctor, so that the doctor can apply more force more easily; simultaneously, set up the mound head at the tip of second handle, firstly let the doctor further exert oneself more easily, secondly can use appurtenance such as hammer to implement the big bone surgery of the degree of difficulty, for example, can't accomplish hard through the doctor hand.

(3) The osteotome of the utility model is provided with the first auxiliary rod and the second auxiliary rod which are arranged in a triangle with the first handle, so that doctors can adjust the force at any time according to the difference of the pinching parts of fingers, and the operation accuracy is higher; simultaneously, set up the arc setting on first auxiliary rod, can also let a finger catch first auxiliary rod, be fit for the multiple selection of exerting oneself.

(4) The osteotome of the utility model can be specifically selected according to specific conditions by arranging the chisel head to be detachably connected with the chisel rod; through the end connection that keeps away from the chisel head of chisel bar has the second pier nose, can select manual and appurtenance common application of force operation, and the connection can be dismantled in the setting, just indicates to install when needs and use.

(5) The utility model discloses an osteotome, first handle is the curve type, sets to the curve type, can simplify the structure of osteotome, utilizes curved characteristic, need not increase extra structure, like second handle, first auxiliary rod and second auxiliary rod, concave arc structure isotructure, can realize the function that above-mentioned several kinds of structures brought.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the osteotome of the present invention;

figure 2 is a schematic view of an extension of the second handle of the osteotome of the present invention;

fig. 3 is a schematic structural view of an osteotome of the present invention;

FIG. 4 is a modified view of FIG. 3;

fig. 5 is a schematic view of an osteotome according to the present invention;

the reference numbers in the figures denote: 1-a chisel rod; 2-chiseling the head; 3-a first handle; 4-a second handle; 5-a first pier head; 6-second pier heads; 7-a first auxiliary lever; 8-a second auxiliary lever; 9-a concave arc structure; 10-curve.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. The embodiments in the present invention, other embodiments obtained by a person of ordinary skill in the art without creative work, all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1, the present embodiment discloses an osteotome, which includes a chisel rod 1, wherein the chisel rod 1 may be a chisel rod structure of an existing osteotome, and in the present embodiment, the chisel rod 1 is a rod-shaped body, such as a round rod; one end of the chisel rod 1 is connected with a chisel head 2, and the chisel head 2 can be a chisel head structure of the existing osteotome, such as a straight pointed head body; the connection mode of the chisel rod 1 and the chisel head 2 is not limited, and the chisel rod and the chisel head can be integrally fixedly connected or detachably connected, and in the embodiment, the connection mode is integrally fixedly connected; a first handle 3 is arranged at the other end of the chisel rod 1 along an oblique radial direction, the first handle 3 is a straight rod type, the shape of the first handle 3 is not particularly limited, and the first handle is a round rod in the embodiment. The included angle between the first handle 3 and the chisel rod 2 is greater than 90 degrees and less than 180 degrees, preferably between 110 degrees and 150 degrees, and in this embodiment, preferably 120 degrees.

Further, the osteotome further comprises a second handle 4, an end of said second handle 4 being connected to an end of said first handle 3 remote from the chisel 2, said second handle 4 preferably being a round rod. Furthermore, a first pier head 5 is formed at the end of the second handle 4 far away from the first handle 3, and the connection mode of the first pier head 5 and the second handle is not particularly limited, such as detachable or integrally fixed, and preferably integrally fixed; still further, the end connection of keeping away from chisel head 2 of chisel bar 1 has second pier head 6, second pier head 6 with chisel bar 1 can be dismantled and be connected, second pier head 6 with the connected mode of chisel bar does not specifically limit, if can dismantle or the integration is fixed, preferably can dismantle, and the accessible forms threaded rod and the mode realization of inner chamber screw thread can be dismantled and be connected.

In this embodiment, the second handle 4 is in a plane with the chisel 1 and the first handle 3; as shown in fig. 2, an extension of the second handle 4 directed to the chisel head 2 passes through the connection between the chisel head 2 and the chisel rod 1

Example 2

As shown in fig. 3 and 4, the present embodiment discloses an osteotome, which is an improvement over embodiment 1, except that: the osteotome further comprises a first auxiliary rod 7 and a second auxiliary rod 8 connected to each other, while the other end of the first auxiliary rod 7 is connected to the end of the chisel 1 remote from the chisel head 2 and the other end of the second auxiliary rod 8 is connected to the junction of the first handle 3 and the second handle 4. The shape of the first auxiliary lever 7 and the second auxiliary lever 8 is not particularly limited, and preferably, the first auxiliary lever 7 is a square lever and the second auxiliary lever 8 is a round lever. Further, a concave arc structure 9 is formed on the first auxiliary lever 7.

Example 3

As shown in fig. 5, the present embodiment discloses an osteotome, which includes a chisel rod 1; a chisel head 2 is connected to one end of the chisel rod 1, a first handle 3 is arranged at the other end of the chisel rod 1 along an oblique radial direction, and the first handle 3 is in a curve 10.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (9)

1. An osteotome, comprising:

a chisel rod; one end of the chisel rod is connected with a chisel head, and the other end of the chisel rod is provided with a first handle along the oblique radial direction;

the special-shaped chisel further comprises a second handle, and one end of the second handle is connected with the end, far away from the chisel rod, of the first handle.

2. The osteotome of claim 1, wherein an end of said second handle distal to said first handle forms a first abutment.

3. The osteotome of claim 2, wherein a second abutment is attached to an end of said chisel shaft distal from said chisel head, said second abutment being removably attached to said chisel shaft.

4. An osteotome according to any one of claims 1 to 3, wherein an extension of said second handle directed towards said chisel head passes through a junction of said chisel head and said chisel rod.

5. An osteotome according to claim 4, further comprising first and second auxiliary rods interconnected with one another, with the other end of said first auxiliary rod being connected to the end of the chisel rod remote from the chisel head and the other end of said second auxiliary rod being connected to the junction of said first and second handles.

6. The osteotome of claim 5, wherein said first auxiliary rod defines a concave arc configuration thereon.

7. An osteotome according to claim 6, wherein said chisel head is removably attached to said chisel shaft.

8. An osteotome according to any one of claims 1 to 3, wherein said first handle is of the straight shank type.

9. The osteotome of claim 1, wherein said first handle is curvilinear.

Images