CN215129211U - Cranial vertex fat transplantation needle - Google Patents
Cranial vertex fat transplantation needle Download PDFInfo
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- CN215129211U CN215129211U CN202120659620.1U CN202120659620U CN215129211U CN 215129211 U CN215129211 U CN 215129211U CN 202120659620 U CN202120659620 U CN 202120659620U CN 215129211 U CN215129211 U CN 215129211U
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- needle
- needle tube
- fat transplantation
- connecting piece
- fat
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Abstract
The utility model discloses a cranium top fat transplantation needle, including syringe connecting piece (1) and needle tubing (2), the one end of syringe connecting piece (1) has the hickey that matches with the syringe, and the other end is connected with needle tubing back end (21), and needle tubing (2) have the radian, and the camber of needle tubing interlude (22) is greater than the camber of needle tubing anterior segment (23) and needle tubing back end (21) for the radian of hair line to cranium top on needle tubing (2) radian and the frontal bone is similar. The utility model provides a cranium top fat transplantation needle can reduce the human cranium top fat transplantation operation degree of difficulty to human skull design, and is little to the fat damage, and postoperative fat survival rate is high.
Description
Technical Field
The utility model relates to a fat transplantation needle especially relates to a cranium top fat transplantation needle, belongs to medical cosmetic apparatus technical field.
Background
The existing fat transplantation needles do not consider the special shape of the skull, and the needle mouth is difficult to directly reach the skull top when the fat transplantation of the skull top is carried out, so that the transplantation is difficult.
Therefore, there is a need to develop a transplantation needle for cranial vertex fat transplantation to reduce the difficulty of the operation and improve the success rate of the operation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above problems, the present inventors have conducted intensive studies to design a cranial vertex fat transplantation needle, which comprises a syringe connector 1 and a needle tube 2,
one end of the injector connecting piece 1 is provided with a threaded interface matched with the injector, the other end is connected with the rear section 21 of the needle tube,
further, the needle tube 2 has a curvature, and the curvature of the middle section 22 of the needle tube is larger than the curvature of the front section 23 and the rear section 21 of the needle tube, so that the curvature of the needle tube 2 is similar to the curvature of the hair line on the frontal bone to the vertex of the skull.
Preferably, the rear section 21 of the needle tube occupies 1/4-1/3 of the length of the needle tube 2;
the middle section 22 of the needle tube occupies 1/3-3/4 of the length of the needle tube 2;
the front section 23 of the needle tube occupies 1/4-1/3 of the length of the needle tube 2,
wherein the average curvature of the middle section 22 of the needle cannula is larger than that of the rear section 21 and the front section 23 of the needle cannula.
More preferably, the maximum curvature of the needle cannula 2 at any location does not exceed 5.
According to the utility model discloses, the length of needle tubing 2 is 80 ~ 110 mm.
Preferably, the needle tip of the needle tube 2 has a half-elliptical cross section.
In a preferred embodiment, the needle mouth 24 of the needle tube 2 is arranged on the side wall 3-10 mm away from the top end of the needle tip, and the needle mouth 24 is in an oval shape and the opening direction is downward.
In a preferred embodiment, the syringe attachment 1 is flat.
In a preferred embodiment, the syringe connecting piece 1 is integrally formed with the needle tube 2, one end of the inner cavity of the syringe connecting piece 1 is the same as the inner diameter of the outlet of the syringe, the other end of the inner cavity of the syringe connecting piece 1 is the same as the inner diameter of the needle tube 2, and the inner cavity of the syringe connecting piece 1 is tapered.
According to the utility model provides a cranial vertex fat transplantation needle has following advantage:
(1) aiming at the design of human skull, the difficulty of human skull top fat transplantation operation can be reduced;
(2) the damage to fat is small, and the survival rate of the fat after operation is high;
(3) simple structure, long service life and easy cleaning and disinfection.
Drawings
Fig. 1 is a schematic view illustrating a structure of a cranial vertex fat transplantation needle according to a preferred embodiment of the present invention;
fig. 2 is a schematic view illustrating a structure of a cranial vertex fat transplantation needle according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view illustrating a needle port structure of a cranial vertex fat transplantation needle according to a preferred embodiment of the present invention;
fig. 4 is a schematic view illustrating an inner cavity structure of a connector of a cranial vertex fat transplantation needle according to a preferred embodiment of the present invention.
The reference numbers illustrate:
1-syringe connection;
2-a needle tube;
21-rear section of needle tube;
22-middle section of needle tube;
23-front section of needle tube;
24-needle opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The features and advantages of the present invention will become more apparent from the description.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the utility model, a cranial vertex fat transplantation needle is provided, which comprises an injector connecting piece 1 and a needle tube 2, as shown in figure 1,
one end of the injector connecting piece 1 is provided with a threaded interface matched with the injector, and the other end is connected with the rear section 21 of the needle tube.
The skull top fat transplantation needle of the utility model is specially used for the transplantation of the skull top fat, the needle tube is pricked into the skin from the position of the skull hair line, and the needle tube is arranged above the skull top.
Furthermore, the utility model discloses in, the upper and lower position of direction is when the human body is just sitting, and the position relation of state when the skull top fat transplantation needle pricks into the skull top subcutaneous time uses needle point direction as the front end, uses syringe interface screw thread direction as the rear end.
Because the particularity of skull shape, conventional fat transplantation needle is difficult to direct action in the frontal bone top the utility model discloses in, needle tubing 2 has the radian, and needle tubing 2 can divide into 3 parts, is needle tubing back end 21, needle tubing interlude 22 and needle tubing anterior segment 23 respectively, and the camber of needle tubing interlude 22 is greater than the camber of needle tubing anterior segment 23 and needle tubing back end 21 for 2 radians of needle tubing are similar with the skeleton department radian of skull development line to the cranial bone top.
Further, the rear needle tube section 21, the middle needle tube section 22 and the front needle tube section 23 are in smooth transition.
In a preferred embodiment, the average curvature of the middle section 22 of the needle cannula is greater than the average curvature of the back section 21 and the front section 23 of the needle cannula,
more preferably, the rear section 21 of the needle tube occupies 1/4-1/3 of the length of the needle tube 2, and the average curvature is less than 3;
the middle section 22 of the needle tube occupies 1/3-3/4 of the length of the needle tube 2, and the average curvature is less than 4;
the front section 23 of the needle tube occupies 1/4-1/3 of the length of the needle tube 2, and the average curvature is less than 3.
Fat transplantation needle tube's bending degree can influence the fat transplantation survival rate, and the too big fat in-process of annotating of camber can cause great destruction to the fat the utility model discloses in, the maximum curvature of optional position is not more than 5 on the needle tubing 2 to reduce the fat damage rate of the in-process of pouring into.
Further, the length of the needle tube 2 is 80-110 mm, so that the needle tube of the skull top fat transplantation needle is matched with the size of a skull, and after the needle tube 2 is completely inserted into the skin, the needle head is close to the center of the skull top.
Further, the section of the needle tip of the needle tube 2 is in a half oval shape, as shown in fig. 2.
The section of the needle point is designed to be elliptical, so that the capability of tearing the tissue of the needle point is reduced, when the tissue such as blood vessels meets the needle head of the transplantation needle, the tissue can pass through the periphery of the needle head, and the tissue is prevented from being directly punctured by the needle head.
Furthermore, a needle opening 24 of the needle tube 2 is formed in the side wall 3-10 mm away from the top end of the needle point, the needle opening 24 is oval, and the opening direction is downward.
The 24 oval-shaped design of needle mouth has increased the area of needle mouth, and then has reduced the shearing force that fat received in the needle tubing to reduce the destruction and the damage to fat, improve fat survival rate.
According to the utility model relates to a preferred embodiment, syringe connecting piece 1 is the platykurtic, is different from other fat transplantation needles the utility model discloses in, the needle tubing is the arc, for stabilizing the needle tubing, sets up syringe connecting piece 1 into the platykurtic to can increase syringe connecting piece 1 towards facial area, through facial and syringe connecting piece 1's contact, inject the rotation of needle tubing 2, thereby be convenient for the location of needle tubing 2.
In a preferred embodiment, the edge of the syringe attachment 1 is designed to be rounded, so as to avoid scratching the skin when the edge of the syringe attachment 1 contacts the facial skin.
In a preferred embodiment, a side surface of the syringe connecting element 1, preferably a side surface far away from the bending direction of the needle tube 2, is provided with an identification of the tube diameter and the length of the needle tube 2, so that an operator can quickly identify craniocerebral fat transplantation needles with different specifications and can conveniently confirm the model of the transplantation needle and the bending direction of the needle tube 2 again in the operation.
In a preferred embodiment, the syringe connecting piece 1 and the needle tube 2 are integrally formed, so that the problems of shaking, connection stability reduction and the like after long-term sterilization and use between the needle tube and the syringe connecting piece are reduced.
Further, the syringe connecting piece 1 is provided with a cavity, one end of the cavity has the same inner diameter as the outlet of the syringe, and the other end of the cavity has the same inner diameter as the needle tube 2, as shown in fig. 4, the cavity of the syringe connecting piece 1 is tapered, so that the transplanted fat can smoothly move from the outlet of the syringe to the needle opening, and the shearing force applied to the fat in the injection process is reduced.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like indicate the position or positional relationship based on the operation state of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention has been described above in connection with preferred embodiments, which are merely exemplary and illustrative. On this basis, can be right the utility model discloses carry out multiple replacement and improvement, these all fall into the utility model discloses a protection scope.
Claims (8)
1. A cranial vertex fat transplantation needle, which comprises an injector connecting piece 1 and a needle tube 2 and is characterized in that,
one end of the injector connecting piece (1) is provided with a threaded interface matched with the injector, the other end is connected with the rear section (21) of the needle tube,
the needle tube (2) has a radian, and the curvature of the middle section (22) of the needle tube is larger than the curvatures of the front section (23) and the rear section (21) of the needle tube, so that the radian of the needle tube (2) is similar to the radian from a hairline on a frontal bone to a cranial vertex.
2. The cranial vertex fat transplantation needle according to claim 1,
the rear section (21) of the needle tube occupies 1/4-1/3 of the length of the needle tube (2);
the middle section (22) of the needle tube occupies 1/3-3/4 of the length of the needle tube (2);
the front section (23) of the needle tube occupies 1/4-1/3 of the length of the needle tube (2),
wherein the average curvature of the middle section (22) of the needle tube is larger than that of the rear section (21) and the front section (23) of the needle tube.
3. The cranial vertex fat transplantation needle according to claim 1,
the maximum curvature of any position on the needle tube (2) is not more than 5.
4. The cranial vertex fat transplantation needle according to claim 1,
the length of the needle tube (2) is 80-110 mm.
5. The cranial vertex fat transplantation needle according to claim 1,
the section of the needle point of the needle tube (2) is in a half elliptical shape.
6. The cranial vertex fat transplantation needle according to claim 1,
the needle opening (24) of the needle tube (2) is formed in the side wall which is 3-10 mm away from the top end of the needle point, the needle opening (24) is oval, and the opening direction is downward.
7. The cranial vertex fat transplantation needle according to claim 1,
the syringe connecting piece (1) is flat.
8. The cranial vertex fat transplantation needle according to claim 1,
the syringe connecting piece (1) and the needle tube (2) are integrally formed, one end of the inner cavity of the syringe connecting piece (1) is the same as the inner diameter of the outlet of the syringe, the other end of the inner cavity of the syringe connecting piece (1) is the same as the inner diameter of the needle tube (2), and the inner cavity of the syringe connecting piece (1) is tapered to shrink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659620.1U CN215129211U (en) | 2021-03-31 | 2021-03-31 | Cranial vertex fat transplantation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120659620.1U CN215129211U (en) | 2021-03-31 | 2021-03-31 | Cranial vertex fat transplantation needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215129211U true CN215129211U (en) | 2021-12-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120659620.1U Active CN215129211U (en) | 2021-03-31 | 2021-03-31 | Cranial vertex fat transplantation needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215129211U (en) |
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2021
- 2021-03-31 CN CN202120659620.1U patent/CN215129211U/en active Active
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