CN211213405U - Costal cartilage cortex cutting knife - Google Patents

Costal cartilage cortex cutting knife Download PDF

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Publication number
CN211213405U
CN211213405U CN201922026929.2U CN201922026929U CN211213405U CN 211213405 U CN211213405 U CN 211213405U CN 201922026929 U CN201922026929 U CN 201922026929U CN 211213405 U CN211213405 U CN 211213405U
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cutting
opening
costal cartilage
handle
cortex
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CN201922026929.2U
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Chinese (zh)
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吴新建
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Individual
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Individual
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Abstract

The utility model provides a costal cartilage cortex is cut and is got sword relates to medical instrument technical field. Wherein, this kind of costal cartilage cortex cuts and gets sword, contains: the handheld mechanism comprises a strip-shaped handle, the handle is provided with a plurality of through holes for light to pass through, and an opening is formed in the end part of one side of the handle; a cutting mechanism including a blade provided with a cutting portion having a blade edge, and a pair of ear portions disposed at both ends of the cutting portion and perpendicular to the cutting portion; the ear part is used for being fixed on two sides of the opening so that the cutting part and the opening are encircled to form a square shape; the supporting mechanism is arranged in the opening and used for supporting the surface of the object to be cut so as to ensure that the thickness of the cut object is relatively uniform. The costal cartilage cortical layer cutting knife can directly cut off the cortical layer of the costal cartilage without cutting off the costal cartilage.

Description

Costal cartilage cortex cutting knife
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a costal cartilage cortex is cut and is got sword.
Background
The use of autologous costal cartilage transplantation for nasal reshaping in medical cosmetology is increasing. In the application of costal cartilage nose plastic surgery, a section of 6 th or 7 th costal cartilage of a human body is cut, the cut length is about 3 to 5cm, and 3 to 5cm of defect of the costal cartilage of the chest is left after the cut length is finished. In the existing elastic nose tip shaping, only the cortical part of the costal cartilage is used, and other cartilage parts are basically not used. Not only waste is caused, but also damage is increased. However, there is currently no suitable medical device that can shave cartilage cortex without cutting a section of costal cartilage. In view of the above, the inventors of the present invention have made a study of the prior art and then have made the present application.
SUMMERY OF THE UTILITY MODEL
The utility model provides a costal cartilage cortex is cut and is got sword aims at improving and does not have suitable medical instrument to cut the problem of getting the cartilage cortex.
In order to solve the technical problem, the utility model provides a costal cartilage cortex is cut and is got sword, it contains:
the handheld mechanism comprises a strip-shaped handle, the handle is provided with a plurality of through holes for light to pass through, and an opening is formed in the end part of one side of the handle;
a cutting mechanism including a blade detachably disposed on the handle, the blade having a cutting portion with a cutting edge, and a pair of ear portions disposed at both ends of the cutting portion and perpendicular to the cutting portion; the ear part is used for being fixed on two sides of the opening so that the cutting part and the opening are encircled to form a square shape;
the supporting mechanism is detachably arranged in the opening and used for supporting the surface of the object to be cut so as to ensure that the thickness of the cut object to be cut is relatively uniform.
As a further optimization, the handle extends along the length direction of the cutting part to form a flat strip shape, the through hole is formed in the surface of the flat strip shape, and the through hole is perpendicular to the cutting part.
As a further optimization, an included angle is arranged between the cutting part and the handle, and the included angle is 50-70 degrees.
As a further optimization, mounting holes matched with the ear parts are formed in two sides of the opening, and the ear parts can be inserted into the mounting holes to be fixed on the handle;
first through holes penetrating through the mounting holes are formed in two sides of the opening, and second through holes corresponding to the first through holes are formed in the lug parts;
the supporting mechanism comprises a supporting rod arranged at the opening, the supporting rod is parallel to the cutting part and forms a Chinese character 'ri' shape with the opening and the cutting part; the both ends of bracing piece are provided with the spring catch, the spring catch can insert first through-hole with the second through-hole, so that the bracing piece is fixed in the opening, and make the ear be fixed in the opening.
As a further optimization, the vertical distance between the support rod and the cutting part is 4-6 mm.
Preferably, the opening is provided with a support part parallel to the support rod, and the vertical distance from the support part to the cutting part is the same as the vertical distance from the support rod to the cutting part.
As a further optimization, the length of the handle is 10 to 20 cm.
As a further optimization, the included angle is 60 °.
As a further optimization, the vertical distance is 5 mm.
As a further optimization, the length is 15 cm.
By adopting the technical scheme, the utility model discloses can gain following technological effect: the costal cartilage cortical layer cutting knife can directly cut off the cortical layer of the costal cartilage without cutting off the costal cartilage. Specifically, during the use, push down supporting mechanism on the surface of costal cartilage tip a little, then pull forward along costal cartilage's direction to make the cutting edge cut into the cortex on costal cartilage surface, the cortex that will need to use is cuted down, and remains costal cartilage in original position, and can cut down the cortex of thickness homogeneous relatively, improved the utilization ratio of cortex greatly, had fine practical meaning.
The utility model discloses a sword is got in cutting of costal cartilage cortex not only can not downcut the cortex layer of costal cartilage under the condition of costal cartilage directly and downcut, and the cortex layer thickness that assurance that moreover can be fine downcuts is even relatively, can not appear the uneven problem of thickness, has fine actual meaning.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is an isometric view of a costal cartilage cortex removal knife, in accordance with an embodiment of the present invention;
fig. 2 is an exploded view of a costal cartilage cortex cutting knife in a first view according to an embodiment of the present invention;
FIG. 3 is an exploded view of an embodiment of the present invention, showing a costal cartilage cortex removal knife at a second viewing angle;
FIG. 4 is a front view of a costal cartilage cortex cutting knife according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 3;
the labels in the figure are: 1-a handheld mechanism; 2-a support mechanism; 3-a cutting mechanism; 4-a handle; 5-a blade; 6-a support part; 7-opening; 8-a support bar; 9-ear part; 10-a blade edge; 11-a cutting part; 12-a through hole; 13-mounting holes; 14-a first via; 15-a second via; s-length; l-vertical distance; the beta-angle.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 3, in this embodiment, a costal cartilage cortex cutting knife includes:
the handheld mechanism 1 comprises a strip-shaped handle 4, wherein the handle 4 is provided with a plurality of through holes 12 for light rays to pass through, and an opening 7 is formed in one side end part;
a cutting mechanism 3 including a blade 5 detachably disposed on the handle 4, the blade 5 having a cutting portion 11 having a blade edge 10, and a pair of ear portions 9 disposed at both ends of the cutting portion 11 and perpendicular to the cutting portion 11; the ear parts 9 are fixed on two sides of the opening 7, so that the cutting part 11 and the opening 7 are enclosed into a square shape;
the supporting mechanism 2 is detachably disposed in the opening 7 for supporting the surface of the object to be cut, so as to ensure that the thickness of the cut object is relatively uniform. Specifically, during use, the supporting mechanism 2 is pressed downwards slightly on the surface of the end part of the costal cartilage and then pulled forwards along the direction of the costal cartilage, so that the cutting edge 10 is cut into the cortical layer on the surface of the costal cartilage, the cortical layer to be used is cut off, the costal cartilage is kept at the original position, and the cortical layer with relatively uniform thickness can be cut off, the utilization rate of the cortical layer is greatly improved, and the supporting mechanism has good practical significance. The through hole 12 arranged on the handle 4 can enable an operator to directly view the state of the cutting part in the cutting process, so that the angle, the force and the like can be adjusted in time. Has good practical significance.
As shown in fig. 1 and 2, in the present embodiment, the handle 4 extends in a flat strip shape along the length S direction of the cutting portion 11, the through hole 12 is disposed on the flat strip shape, and the through hole 12 is perpendicular to the cutting portion 11. Specifically, the handle 4 is in a flat bar shape, so that the hand can be held conveniently during operation, the through hole 12 is perpendicular to the cutting part 11, light can be directly emitted from the through hole 12, an operator can visually see the cutting part, and the cutting tool has good practical significance.
As shown in fig. 1 and 2, in the present embodiment, an included angle β is provided between the cutting portion 11 and the handle 4, and the included angle β is 50 ° to 70 °, and preferably 60 °. Specifically, the cutting part 11 and the handle 4 form a certain included angle β, so that the force application direction of the operator can be more smooth, and part of the through holes 12 can be directly opposite to the cutting part 11, so that the operator can more visually see the state of the cutting part.
As shown in fig. 1 and 2, in the present embodiment, mounting holes 13 adapted to the ear portions 9 are provided on both sides of the opening 7, and the ear portions 9 can be inserted into the mounting holes 13 to be fixed to the handle 4; both sides of the opening 7 are provided with first through holes 14 penetrating the mounting hole 13, and the ear portion 9 is provided with second through holes 15 corresponding to the first through holes 14. The supporting mechanism 2 comprises a supporting rod 8 arranged at the opening 7, and the supporting rod 8 is parallel to the cutting part 11 and forms a Chinese character 'ri' shape with the opening 7 and the cutting part 11. The two ends of the support bar 8 are provided with spring pins which can be inserted into the first through hole 14 and the second through hole 15 to secure the support bar to the opening and the ear 9 to the opening 7. Specifically, the rotatable configuration of bracing piece 8 is at opening 7, and it is smooth to roll in getting the constitution, reduces the resistance, makes the operation more convenient to the control that can be fine is cut the thickness of the cortex of taking off, guarantees that its thickness is even relatively, the uneven condition of thickness can not appear, has fine practical meaning. Blade 5 is using the easy blunting of back cutting edge 10 once, therefore blade 5 and 8 detachable configurations of bracing piece in handle 4 are convenient for change the blade, have torn away behind the blade 5 bracing piece 8 and handle 4 can be solitary disinfect, can not pollute when guaranteeing to use next time, have fine practical meaning.
As shown in fig. 1 and 2, in the present embodiment, the vertical distance L between the support bar 8 and the cutting portion 11 is 4 to 6mm, preferably 5 mm. In particular, in the prior art, a preferred thickness of the cortical layer required to be used is 5 mm. Therefore, the support rod 8 is arranged in parallel at a position 5mm away from the cutting part 11, and the thickness of the cut cortical layer can be well ensured.
As shown in fig. 1 and 2, in the present embodiment, the opening 7 is provided with the support portion 6 parallel to the support rod 8, and the vertical distance L from the support portion 6 to the cutting portion 11 is the same as the vertical distance L from the support rod 8 to the cutting portion 11. Specifically, an arc-shaped support portion 6 is provided at the opening 7, and the support portion 6 is disposed in parallel with the support bar 8 in tandem. The support 6 and the support bar 8 are pressed against the surface of the cortical layer simultaneously during use, ensuring and cutting that the blade 10 advances along the surface of the cortical layer, resulting in a relatively uniform thickness of the cortical layer being removed.
As shown in fig. 1 and 2, in the present embodiment, the length S of the handle 4 is 10 to 20cm, and preferably 15 cm. Specifically, 10 to 20mm is the most comfortable length S for normal gripping.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A costal cartilage cortex extraction knife, comprising:
the handheld mechanism (1) comprises a strip-shaped handle (4), the handle (4) is provided with a plurality of through holes (12) for light to pass through, and an opening (7) is formed in one side end part;
a cutting mechanism (3) including a blade (5) detachably disposed on the handle (4), the blade (5) having a cutting portion (11) having a blade (10), and a pair of ear portions (9) disposed at both ends of the cutting portion (11) and perpendicular to the cutting portion (11); the ear parts (9) are fixed on two sides of the opening (7) so that the cutting part (11) and the opening (7) enclose a square shape;
the supporting mechanism (2) is detachably arranged on the opening (7) and is used for supporting the surface of the object to be cut so as to ensure that the thickness of the cut object to be cut is relatively uniform.
2. The costal cartilage cortex scraping knife according to claim 1, wherein the handle (4) extends in a flat strip shape along the length (S) of the scraping portion (11), the through hole (12) is formed in the flat strip shape, and the through hole (12) is perpendicular to the scraping portion (11).
3. The costal cartilage cortex cutting knife according to claim 2, characterized in that an included angle (β) is provided between the cutting portion (11) and the handle (4), the included angle (β) being 50 ° to 70 °.
4. The costal cartilage cortex cutting knife according to claim 2, characterized in that the opening (7) is provided with mounting holes (13) at two sides thereof, the mounting holes (13) being adapted to the ear parts (9), the ear parts (9) being capable of being inserted into the mounting holes (13) to be fixed to the handle (4);
first through holes (14) penetrating through the mounting holes (13) are formed in two sides of the opening (7), and second through holes (15) corresponding to the first through holes (14) are formed in the lug parts (9);
the supporting mechanism (2) comprises a supporting rod (8) arranged at the opening (7), the supporting rod (8) is parallel to the cutting part (11), and the supporting rod, the opening (7) and the cutting part (11) enclose a Chinese character 'ri'; the both ends of bracing piece (8) are provided with the spring catch, the spring catch can insert first through-hole (14) with second through-hole (15), so that the bracing piece is fixed in the opening, and make ear (9) are fixed in opening (7).
5. The costal cartilage cortex cutting knife according to claim 4, characterized in that the vertical distance (L) between the support bar (8) and the cutting part (11) is 4-6 mm.
6. The costal cartilage cortex cutting knife according to claim 5, characterized in that the opening (7) is provided with a support (6) parallel to the support bar (8), and the vertical distance (L) from the support (6) to the cutting portion (11) is the same as the vertical distance (L) from the support bar (8) to the cutting portion (11).
7. The costal cartilage cortex extraction knife according to claim 5, wherein the handle (4) has a length (S) of 10 to 20 cm.
8. The costal cartilage cortex extraction knife according to claim 3, wherein the angle (β) is 60 °.
9. The costal cartilage cortex extraction knife according to claim 5, wherein the vertical distance (L) is 5 mm.
10. The costal cartilage cortex extraction knife according to claim 7, wherein the length (S) is 15 cm.
CN201922026929.2U 2019-11-21 2019-11-21 Costal cartilage cortex cutting knife Active CN211213405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922026929.2U CN211213405U (en) 2019-11-21 2019-11-21 Costal cartilage cortex cutting knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922026929.2U CN211213405U (en) 2019-11-21 2019-11-21 Costal cartilage cortex cutting knife

Publications (1)

Publication Number Publication Date
CN211213405U true CN211213405U (en) 2020-08-11

Family

ID=71919123

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922026929.2U Active CN211213405U (en) 2019-11-21 2019-11-21 Costal cartilage cortex cutting knife

Country Status (1)

Country Link
CN (1) CN211213405U (en)

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