CN212853583U

CN212853583U - Instrument for minimally-invasive convenient cutting of anterior cortex of costal cartilage

Info

Publication number: CN212853583U
Application number: CN202020811305.1U
Authority: CN
Inventors: 刘洪游
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-04-02
Anticipated expiration: 2030-05-15

Abstract

The utility model relates to a minimal access surgery apparatus technical field, specifically speaking relates to a convenient instrument of surely getting the preceding cortex of costal cartilage of wicresoft, including the cutter body, the one end of cutter body can be dismantled and is connected with the handle of a knife, the upper surface that the handle of a knife was kept away from to the cutter body has seted up the cortex export, the one end outer wall that the handle of a knife was kept away from to the cutter body has seted up cortex storage port, cortex storage port's outer mouthful is semi-circular structure, the inside of cutter body is through the cavity with cortex storage port and cortex export intercommunication, the inside of cortex storage port is provided with the blade, the blade includes the tool bit, the top. The utility model discloses a design can be easily scraped the cortex on the rib through the cutter body, and is simple easy-to-use, through the device's operation, can make the operation safe, simplify and wicresoft to the material of getting can satisfy the needs that the bionical nose of completion synthesizes the tip of nose and takes shape.

Description

Instrument for minimally-invasive convenient cutting of anterior cortex of costal cartilage

Technical Field

The utility model relates to a minimal access surgery apparatus technical field, specifically speaking relates to a convenient instrument of incising the preceding cortex of costal cartilage of wicresoft.

Background

The utility model discloses a shaping is raised to nose point extension based on in the present nose synthesis art uses autologous cartilage mainly be septum of nose cartilage, auricular cartilage and costal cartilage, because oriental person's septum of nose cartilage generally develops weaknesses, should not adopt, adopt the soft bone of ear often because of quantity, not enough of holding power, the skin of paste growth, local blood circulation and deformation are influenced to ear's scar, it is restricted to make the soft bone of ear use, if adopt whole section costal cartilage, obvious operation wound, the risk increases and makes the integrality of thorax impaired, lead to the material of getting can not satisfy the needs that accomplish the shaping of bionical nose synthesis nose point.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient instrument of cutting the preceding cortex of costal cartilage of wicresoft to solve the problem that proposes in the above-mentioned background art.

In order to achieve the purpose, the utility model provides a convenient instrument of surely getting preceding cortex of costal cartilage of wicresoft, including the cutter body, the one end of cutter body can be dismantled and is connected with the handle of a knife, the cutter body is kept away from the upper surface of handle of a knife and has been seted up the cortex export, the one end outer wall that the handle of a knife was kept away from to the cutter body has been seted up the cortex and has been accomodate the mouth, the outer mouthful of cortex is semi-circular structure, the inside of cutter body is through cavity with cortex accomodate mouthful and cortex export intercommunication, the inside of cortex accomodate mouthful is provided with the blade, the blade includes the tool bit.

Preferably, one end of the cutter handle is of a bending structure, and one end of the cutter handle is provided with an external thread and is in threaded connection with the cutter body.

Preferably, the outer side wall of the knife handle is provided with a plurality of finger fitting arc surfaces.

Preferably, the leather receiving opening is arranged at the end of the cutter body in an inclined mode, and the inclined angle is 60 degrees.

Preferably, the outer wall of the knife handle is sleeved with an anti-skidding sleeve.

Preferably, the cross section of the cutter body is of a semicircular structure.

Preferably, both ends of the cutter head are rotatably connected with the inner wall of the leather containing opening through a rotating shaft.

Preferably, the blade is connected with two parallel connecting rods through bolts at the position close to the handle, and one end of each connecting rod far away from the blade is tightly welded with the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

this instrument of the preceding cortex of convenient surely getting costal cartilage of wicresoft can be scraped the cortex on the rib through the cutter body easily, and is simple easy-to-use, and the handle at rear portion conveniently grips, can carry out the push-and-pull around the cutter body, conveniently takes off the cortex, and in addition, blade axial rotates, is convenient for scrape through different angles the cortex on the rib and gets to the material of getting can satisfy the needs that the bionic nose synthesizes the tip of nose and takes shape.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of the middle knife body of the present invention.

The various reference numbers in the figures mean: 1. a cutter body; 11. (ii) a cortex outlet; 12. a cortex receiving opening; 2. a knife handle; 21. an anti-slip sleeve; 22. the fingers are attached to the cambered surface; 23. a connecting rod; 3. a blade; 31. a cutter head; 311. cutting a notch; 312. a rotating shaft.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a convenient instrument of surely getting preceding cortex of costal cartilage of wicresoft, as shown in fig. 1-fig. 3, including cutter body 1, be convenient for install the blade, cutter body 1's one end can be dismantled and be connected with handle of a knife 2, the hand of being convenient for grips, cutter body 1 keeps away from the upper surface of handle of a knife 2 and has seted up cortex export 11, cutter body 1 keeps away from the one end outer wall of handle of a knife 2 and has seted up cortex storage port 12, be convenient for carry out the cortex and accomodate, the outer mouthful of cortex storage port 12 is semi-circular structure, the cortex of being convenient for gets into, the inside of cutter body 1 is passed through the cavity and is communicate cortex storage port 12 and cortex export 11, the inside of cortex storage port 12 is provided with blade 3, be convenient for scrape the cortex and get, blade 3 includes tool bit 31, be convenient for scrape the.

Specifically, the one end of handle of a knife 2 is the bending structure, and the hand of being convenient for is held, and cutter body 1 is close to the one end of handle of a knife and is provided with the internal thread, and the one end of handle of a knife 2 is provided with the external screw thread and with cutter body 1 threaded connection, and the pull down of the handle of a knife 2 of being convenient for makes things convenient for the later stage to clear up.

In addition, the lateral wall of handle of a knife 2 is provided with a plurality of fingers laminating cambered surface 22, can not slide when being convenient for the hand to grip and push-and-pull.

Further, the cortex outlet 11 is of a semicircular structure, and one end close to the blade 3 is of an arc structure.

Further, the cortex accommodating port 12 is obliquely arranged at the end of the knife body 1, and the inclination angle is 60 degrees, so that the cortex can be conveniently scraped by being attached to the surface of the skin.

Furthermore, the outer wall cover of handle of a knife 2 is equipped with anti-skidding cover 21, guarantees that the hand grips comfortablely.

Further, the cross-section of the cutter body 1 is of a semicircular structure, so that the internal tissues of a patient can be prevented from being scratched.

Further, the two ends of the cutter head 31 are rotatably connected with the inner wall of the leather containing opening 12 through the rotating shaft 312, so that the leather can be conveniently cut.

When the instrument for minimally invasive and convenient cutting of the cortex in front of the costal cartilage is used, the knife handle 2 is firstly held on a hand, the knife body 1 is pushed into a rib of a patient, then the cortex on the surface of the rib is smoothly taken down through the blade 3, the angle is adjusted through axial rotation of the knife head 31, then the ribs with different angles are cut and rubbed, the taken-down cortex is accommodated in the cortex accommodating port 12, and along with the cutting, the taken-down cortex slides backwards to the cortex outlet 11 and can be taken out through the cortex outlet 11 through the instrument.

Example 2

Further, for the convenience of replacing the blade 3, the connection of the blade 3 and the handle 2 is improved on the basis of the embodiment 1, the two ends of the blade 3 are connected with the inner wall of the leather containing port 12 in a sliding manner, the blade 3 is close to the handle 2 and is connected with two parallel connecting rods 23 through bolts, one end, away from the blade 3, of each connecting rod 23 is tightly welded with the handle 2, the blade 3 can be conveniently taken down when the handle 2 is taken down, and the blade 3 is conveniently replaced.

When the instrument for minimally invasive convenient cutting of the cortex in front of the costal cartilage is used, the knife handle 2 is firstly held on a hand, the knife body 1 is pushed into a rib of a patient, then the cortex on the surface of the rib is smoothly taken down through the blade 3, the angle is adjusted through rotating the knife head 31, then the ribs at different angles are cut and rubbed, the taken-down cortex is slidingly accommodated in the cortex accommodating port 12, the handle 2 is pulled out outwards, the blade 3 can be taken out together, and the cut-down cortex can be taken out through the cortex accommodating port 12 at the front end of the knife body 1 or the connection part of the knife body 1 and the handle 2.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a convenient instrument of cutting out preceding cortex of costal cartilage of wicresoft, includes cutter body (1), its characterized in that: the leather cutting tool is characterized in that one end of the tool body (1) is detachably connected with the tool handle (2), the upper surface of the tool body (1) far away from the tool handle (2) is provided with a leather outlet (11), the outer wall of one end of the tool body (1) far away from the tool handle (2) is provided with a leather containing port (12), the outer opening of the leather containing port (12) is of a semicircular structure, the leather containing port (12) is communicated with the leather outlet (11) through a cavity in the tool body (1), the inside of the leather containing port (12) is provided with a blade (3), the blade (3) comprises a tool bit (31), and a cutting opening (311) is formed in the top surface of the tool bit (31).

2. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: one end of the knife handle (2) is of a bending structure, and one end of the knife handle (2) is provided with external threads and is in threaded connection with the knife body (1).

3. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the outer side wall of the knife handle (2) is provided with a plurality of finger fitting cambered surfaces (22).

4. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the leather containing opening (12) is obliquely arranged at the end of the cutter body (1), and the inclination angle is 60 degrees.

5. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the outer wall cover of handle of a knife (2) is equipped with antiskid cover (21).

6. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the cross section of the cutter body (1) is of a semicircular structure.

7. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the two ends of the cutter head (31) are rotatably connected with the inner wall of the leather containing port (12) through a rotating shaft (312).

8. The instrument for minimally invasive convenient harvesting of costal cartilage anterior cortex according to claim 1, characterized in that: the blade (3) is close to the handle (2) and is connected with two parallel connecting rods (23) through bolts, and one end, far away from the blade (3), of each connecting rod (23) is tightly welded with the handle (2).