CN218165328U - Little drilling operation instrument under arthroscope - Google Patents

Abstract

The utility model discloses a little drilling operation tool under arthroscope, the electric iron comprises a handle, the flexible soft vertebra inner core of lower extreme fixedly connected with high strength of handle, the below of handle is equipped with the director, the lower extreme of director is equipped with logical groove, the lower extreme of the flexible soft vertebra inner core of high strength extends to logical inslot, it takes the crooked head end of tooth to lead to the inslot, the lower extreme that takes the crooked head end of tooth extends to the external world, the lower extreme fixedly connected with compression spring of handle, compression spring is around establishing on the outer wall of the flexible soft vertebra inner core of high strength. This operation instrument can cooperate the director of different angles, can realize multi-angle, accurate drilling, shows deeper cancellous bone perforation and opens a large amount of bone trabecula tunnels, has the superior ability of acquireing the marrow, can carry out quick fixed and dismantlement, the operation of being convenient for with handle and director simultaneously.

Description

Little drilling operation instrument under arthroscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a little drilling operation instrument under arthroscope.

Background

The treatment of cartilage damage of knee joint has been a difficult problem in the orthopedic field, because articular cartilage has no blood vessels, nerves and lymphatic tissues and has limited repair capability, therefore, microfracture needs to be performed under arthroscopy, and the existing microfracture mode mostly uses operating tools to perform micro drilling, however, the existing micro drilling still has the following problems during operation:

the work efficiency of the instrument of current micro drilling is low for the degree of depth of drilling is lower, thereby is lower to the acquisition ability of marrow, influences the effect of clinical treatment, and current flexible soft vertebra inner core of high strength only is equipped with the director of an angle when using greatly, thereby when can't carrying out multi-angle drilling, makes the suitability of micro drilling reduce, consequently, how this problem of reasonable solution is our required consideration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the little drilling operation instrument under the arthroscope that proposes, this operation instrument can cooperate the director of different angles, can realize the multi-angle, accurate drilling, show deeper cancellous bone perforation and open a large amount of bone trabecula tunnels, the ability of superior acquisition marrow has, can be better pierce through subchondral bone, in the direct pulp chamber, and form small fracture crack, decompress bone pulp chamber, the repair mechanism of fracture is moved behind the organism simultaneously, promote cartilage regeneration, improve clinical curative effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a little drilling operation instrument under arthroscope, includes the handle, the flexible soft vertebra inner core of lower extreme fixedly connected with high strength of handle, the below of handle is equipped with the director, the lower extreme of director is equipped with logical groove, the lower extreme of the flexible soft vertebra inner core of high strength extends to logical inslot, it takes the crooked head end of tooth to lead to the inslot, the lower extreme of taking the crooked head end of tooth extends to the external world, the lower extreme fixedly connected with compression spring of handle, compression spring is around establishing on the outer wall of the flexible soft vertebra inner core of high strength.

Preferably, the toothed curved head end has a head end of multiple guide gauges.

Preferably, the diameter of the high-strength flexible soft vertebral inner core is 2mm.

Preferably, the diameter of the toothed curved head end is 1mm.

Preferably, the high-strength flexible soft vertebral inner core comprises a drill bit, a soft drill rod part and a soft drill handle part which are connected in sequence.

Compared with the prior art, the device has the advantages that:

1. compared with the prior art, the high-strength flexible soft vertebra inner core can be matched with guides with different angles, so that multi-angle and accurate drilling can be realized, the standard drilling depth of 9mm is more than three times of that of the conventional microfracture technology, deeper cancellous bone perforation and a large number of trabecular bone tunnels are displayed, the high-strength flexible soft vertebra inner core has excellent bone marrow acquisition capacity, can better penetrate subchondral bone and reach medullary cavity directly, forms tiny fracture cracks and reduces the pressure of the medullary cavity; meanwhile, the repair mechanism of the fracture of the body after movement promotes the regeneration of cartilage and improves the clinical treatment.

Drawings

Fig. 1 is a schematic structural view of an arthroscopic micro-drilling operation tool provided by the present invention;

FIG. 2 is a schematic view of the guide of FIG. 1 shown in a configuration separated from the inner core of the high strength flexible soft vertebra;

FIG. 3 is a schematic illustration of FIG. 1 with a thirty degree guided toothed bent head end installed;

figure 4 is a schematic view of the high strength flexible soft vertebral core penetrating the guide.

In the figure: the device comprises a handle 1, a guider 2, a through groove 3, a high-strength flexible soft vertebral inner core 4, a toothed bent head end 5 and a compression spring 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an arthroscopic micro-drilling operation tool comprises a handle 1, wherein the lower end of the handle 1 is fixedly connected with a high-strength flexible soft vertebra inner core 4, the diameter of the high-strength flexible soft vertebra inner core 4 is 2mm, a guider 2 is arranged below the handle 1, a through groove 3 is formed in the lower end of the high-strength flexible soft vertebra inner core 4, a toothed bending head end 5 is arranged in the through groove 3, the diameter of the toothed bending head end 5 is 1mm, the lower end of the toothed bending head end 5 extends to the outside, a compression spring 6 is fixedly connected to the lower end of the handle 1, and the compression spring 6 is wound on the outer wall of the high-strength flexible soft vertebra inner core 4.

The toothed bent head end 5 has a head end with various guiding specifications, and the specifications are respectively 0 degree, 30 degrees, 60 degrees and 90 degrees of the toothed bent head end 5.

Wherein, the high-strength flexible soft vertebral inner core 4 comprises a drill bit, a soft drill rod part and a soft drill handle part which are connected in sequence.

The utility model discloses its functional principle is explained to the following mode of operation of accessible: before drilling operation is carried out, the guider 2 with the tooth-bent head end 5 at a required angle is selected according to requirements, and the high-strength flexible soft vertebral inner core 4 penetrates into the guider 2;

after the high-strength flexible soft vertebral inner core 4 is completely inserted into the guider 2, the exposed vertebral head with the diameter of 1mm and the depth of 9mm is processed by beating the handle 1, so that the purpose of accurate microfracture with the depth of 9mm and the diameter of 1mm is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. An arthroscopic micro-drilling operation tool, comprising a handle (1), characterized in that: the soft vertebra inner core of lower extreme fixedly connected with high strength (4) of handle (1), the below of handle (1) is equipped with director (2), the lower extreme of director (2) is equipped with logical groove (3), the lower extreme of the soft vertebra inner core of high strength (4) extends to in leading to groove (3), it takes tooth crooked head end (5) to be equipped with in leading to groove (3), the lower extreme of taking tooth crooked head end (5) extends to the external world, the lower extreme fixedly connected with compression spring (6) of handle (1), compression spring (6) are around establishing on the outer wall of the soft vertebra inner core of high strength (4).

2. The arthroscopic micro-drilling tool of claim 1, wherein: the toothed bent head end (5) has a head end of various guide specifications.

3. The arthroscopic micro-drilling tool of claim 1, wherein: the diameter of the high-strength flexible soft vertebral inner core (4) is 2mm.

4. The arthroscopic micro-drilling tool of claim 2, wherein: the diameter of the toothed bent head end (5) is 1mm.

5. The arthroscopic micro-drilling tool of claim 3, wherein: the high-strength flexible soft vertebral inner core (4) comprises a drill bit, a soft drill rod part and a soft drill handle part which are sequentially connected.

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