CN217162229U - Scalpel for acutely separating adhesion of subcutaneous tissue of acne - Google Patents
Scalpel for acutely separating adhesion of subcutaneous tissue of acne Download PDFInfo
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- CN217162229U CN217162229U CN202120655702.9U CN202120655702U CN217162229U CN 217162229 U CN217162229 U CN 217162229U CN 202120655702 U CN202120655702 U CN 202120655702U CN 217162229 U CN217162229 U CN 217162229U
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- knife
- scalpel
- handle
- acne
- subcutaneous tissue
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Images
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- Surgical Instruments (AREA)
Abstract
The utility model provides a scalpel for acutely separating acne subcutaneous tissue adhesion, which consists of a scalpel holder, a scalpel handle and a scalpel body, wherein the scalpel holder is arc-shaped and is positioned at the tail part of the scalpel, the middle point of the outer cambered surface is precisely welded and fixed with the knife handle and the knife body, the knife handle is in a sheet semicircular shape, the plane of the knife handle is vertical to the plane of the knife holder, the arc side of the semicircle of the knife handle faces upwards, the radial side is precisely welded and fixed with the knife body, the knife body consists of two parts, the first part is a part which is jointed with the knife handle and the knife holder and is in a semi-cylindrical shape, the top end of the semi-cylindrical shape is precisely welded with the midpoint of the outer arc of the knife holder, the cylindrical surface of the semi-cylindrical shape faces downwards, the plane of the semi-cylindrical shape is precisely welded with one radial side of the knife handle, the second part is a sharp separation part which can be punctured and can be cut in two lateral directions, and the front end of the sharp separation part adopts an apex double-edge design; the scalpel can realize sharp separation of acne subcutaneous tissue adhesion, and has small incision and regular tangent plane.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a scalpel that is used for sharp separation of acne subcutaneous tissue adhesion.
Background
Acne is a common chronic skin disease, and mainly occurs in exposed parts of the face, the chest and the like. Scars are one of the most severe injuries caused by acne and affect the quality of life and mental state of the patient. It is believed that acne scars are caused by dermal tissue destruction, connective tissue repair, and subcutaneous collagen disorders at the affected area, leading to tissue adhesions. The common methods for clinically treating acne scars comprise laser therapy, traditional Chinese medicine therapy, surgical treatment and the like, wherein the surgical treatment is the simplest and most effective, and the common techniques comprise drilling resection, trephine elevation and subcutaneous resection. At present, no surgical scalpel special for acne scars is clinically used, a small scalpel is usually used, or even a syringe needle is simply bent and then directly penetrates into the skin of the acne to carry out sharp separation, but a wound caused by a patient is large, or the section is irregular, the scar treatment effect is not good, and a scalpel capable of easily puncturing and stably cutting is urgently needed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a scalpel for acute separation of acne subcutaneous tissue adhesion.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a scalpel for adhesion sharp nature of acne subcutaneous tissue separates, comprises sword support, handle of a knife and blade, the sword support is convex, is located the scalpel afterbody, and the middle point of its cambered surface is perpendicular with handle of a knife and the accurate welded fastening of blade, the handle of a knife is slice semicircle type, and the handle of a knife plane is the face with the plane of sword support place face perpendicular, and the circular arc one side of handle of a knife semicircle is up, and radial one side is accurate welded fastening with the blade, the blade comprises two parts, and the first part is the part that combines together with handle of a knife and sword support, is the semicolumn type, and the top and the middle point accurate welded of the outer arc of handle of a knife support, the cylinder of semicolumn face down, the plane of semicolumn and the radial one side accurate welded of handle of a knife, the second part is the sharp separation part that can puncture and bilateral cutting, sharp separation part front end adopts top twolip type design.
Preferably, in the scalpel for acutely separating the adhesion of the subcutaneous tissue of the acne, the arc of the holder corresponds to an inner diameter of 14.5-21.0mm, an arc length of 11.5-16.5mm, a width of 4mm and a thickness of 2 mm. The function of the knife holder is to provide stable support for the needle type scalpel to penetrate into acne scar tissue. The knife rest is designed by human engineering, the diameter of the knife rest is similar to that of a middle finger of a common adult, the length of the knife rest is one quarter of the circumference of the middle finger, so that an operation operator can flexibly and naturally abut the side surface of the middle finger on the knife rest, and stable supporting force along the radial direction of the knife body is provided for the needle-shaped scalpel. Simultaneously, the sufficient width of sword support can guarantee the steadiness of sword support with thickness, supports effectively for supplementary centre gripping sword support of thumb and forefinger.
Preferably, the diameter of the knife handle is 0.38 times of the length of the knife body, the thickness of the knife handle is the same as that of the knife body, when the scalpel is used, the knife handle is pinched by the thumb and the index finger, and the side, close to the middle finger, of the thumb and the index finger can assist the middle finger in fixing the knife holder, so that the scalpel can be used for stably puncturing and bilaterally cutting.
Preferably, in the scalpel for acutely separating the adhesion of the subcutaneous tissue of the acne, the two surfaces of the handle, which can be grasped by the scalpel, are provided with the strip-shaped anti-skid lines.
Preferably, the surgical knife for acutely separating the adhesion of the subcutaneous tissue of the acne is characterized in that the bevel angle of the tip of the front end of the acute separation component is 18 degrees, the section of the blade surface is rhombic, the blade angle is 30 degrees, and the thickness of the blade ridge is 0.21-1.54 mm.
Preferably, the scalpel for acute separation of acne subcutaneous tissue adhesion is characterized in that the holder, the handle and the body are made of medical stainless steel meeting the national standard and are formed by precision welding, so that the scalpel can be sterilized by hot pressing, can resist common chemical reagents such as alcohol, ethylene oxide and benzalkonium chloride for sterilization, and is sterile.
Has the advantages that:
the scalpel for acute separation of acne subcutaneous tissue adhesion can be firmly held by a thumb, an index finger and a middle finger by virtue of the holder and the handle, the structure of the scalpel body has the functions of radial puncture along the bottom of acne and vertical radial horizontal bidirectional cutting, particularly, the angle of the tip of the scalpel body is similar to the thickness of a cutting edge, an operator can easily transit from general injection operation to acute separation of acne subcutaneous tissue adhesion by slight training, the hand feeling of the operation is also relatively close to intramuscular injection, and the scalpel is more flexible than a common scalpel, and is a portable surgical tool for treating acne scars.
Drawings
Fig. 1 is a schematic structural diagram of a scalpel for acutely separating adhesion of subcutaneous tissue of acne according to the present invention;
fig. 2 is a schematic plan structure diagram of a sharp separation component of the scalpel for sharply separating adhesion of subcutaneous tissues of acne according to the present invention;
FIG. 3 is a schematic cross-sectional structure view of the sharp separation component of the scalpel for sharp separation of acne subcutaneous tissue adhesion according to the present invention;
FIG. 4 is a subcutaneous three-dimensional CT imaging of an acne site of a patient prior to surgery;
fig. 5 is a subcutaneous three-dimensional CT image of the acne site of the patient after surgery.
In the figure: 1-knife holder 2-knife handle 3-knife body 4-anti-skid veins
Detailed Description
Example 1
As shown in fig. 1-3, the scalpel for acute separation of adhesion of subcutaneous tissues of acne comprises a holder 1, a handle 2 and a blade 3, wherein the holder, the handle and the blade are all made of medical stainless steel meeting national standards and are formed by precision welding, the holder is arc-shaped and is positioned at the tail of the scalpel, the middle point of the outer arc surface of the holder is precisely welded and fixed with the handle and the blade, the inner diameter corresponding to the arc of the holder is 14.5-21.0mm, the arc length is 11.5-16.5mm, the width is 4mm, and the thickness is 2 mm. The knife handle is in a sheet semicircular shape, the plane of the knife handle is perpendicular to the plane of the knife holder, the arc side of the semicircular knife handle faces upwards, the radial side of the semicircular knife handle is precisely welded and fixed with the knife body, strip-shaped anti-skidding lines 4 are engraved on the two surfaces of the knife handle which can be gripped, the diameter of the knife handle is 0.38 times of the length of the knife body, and the thickness of the knife handle is the same as that of the knife body; the knife body consists of two parts, the first part is a part which is jointed with the knife handle and the knife holder and is in a semi-cylinder shape, the top end of the semi-cylinder is precisely welded with the middle point of the outer arc of the knife holder, the cylindrical surface of the semi-cylinder faces downwards, the plane of the semi-cylinder is precisely welded with one radial side of the knife handle, the portion acts as a grippable support member as does the handle, the second portion is a sharp separation member that can pierce and bilaterally cut, the part is an effective working structure of the scalpel, the front end of the sharp separation part adopts a tip double-edge design, the angle of the bevel of the front tip of the sharp separation component is 18 degrees, the section of the blade surface is diamond-shaped, the blade angle is 30 degrees, the thickness of the blade ridge is 0.21-1.54mm, when the scalpel is used, the knife handle is pinched by the thumb and the index finger, and the thumb and the index finger close to one side of the middle finger can assist the middle finger in fixing the knife holder, so that the scalpel can stably puncture and cut in the bilateral direction.
Application example 1
Taking 12 male adult rabbits with weight of 2-2.5kg and opening of ear canal at inner side of ears of 2cm × 2cm, uniformly coating with 50% oleic acid 0.2mL for 1 time per day, and injecting Staphylococcus epidermidis (10) into ear skin on day 12-14 8 cfu/mL)30 μ L, replicating the acne model. On the 28 th day after surgery, the scalpel described in example 1 (knife holder arc inner diameter 14.5mm, arc length 11.5mm, and blade ridge thickness 0.21mm) was selected, and the scalpel was inserted into the skin from the middle edge of the acne scar on the inner side of the right ear in the centripetal direction, and cut parallel to the ear edge until the epidermis was separated from the subcutaneous tissue, and allowed to recover naturally after hemostasis, and the left ear was not treated with any treatment as a control. The thickness of scar formed on each wound surface was measured with a color ultrasonic diagnostic apparatus under the same conditions on the 4 th and 28 th days of sharp isolation. The results show that the scar hyperplasia thickness of the auricle acne adopting the scalpel of the embodiment 1 to carry out sharp separation of subcutaneous adhesion tissues is obviously lower than that of a control group (see table 1), which shows that the scalpel has practicability in controlling scars.
TABLE 1 Rabbit ear scar hyperplasia index (mean. + -. standard deviation, mm)
Note: p <0.05 compared to the left ear; compared to day 4, # P < 0.05.
Application example 2
A facial acne adult male patient 6 is characterized in that a sore surface is infiltrated and anesthetized by 0.5% procaine, a needle type scalpel (the inner diameter of a knife supporting arc is 21.0mm, the arc length is 16.5mm, and the thickness of a blade ridge is 1.54mm) described in example 1 is selected, the needle type scalpel is penetrated into the skin from the middle edge of an acne scar in the centripetal direction, the needle type scalpel is parallel to the face and cut until the epidermis is separated from subcutaneous tissues, the skin is naturally recovered after hemostasis is achieved, a three-dimensional skin CT imaging detection system is used for irradiating a surgical position after 7 days, the scalpel described in example 1 is used for carrying out sharp separation on the subcutaneous adhesion tissues on the acne scar, the dermal collagen fibers of the scar tissues are arranged in parallel and neat, and no obvious thickening overlapping exists, and is shown in figures 4 and 5.
In conclusion, the scalpel can realize sharp separation of acne subcutaneous tissue adhesion, has small incision and regular section, can effectively interfere generation of acne scars, and is a simple and easy-to-use scalpel special for treating acne scars in surgery.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A scalpel for acutely separating acne subcutaneous tissue adhesion is characterized in that: constitute by sword support, handle of a knife and blade, the sword support is convex, is located the scalpel afterbody, and the middle point of its extrados is with handle of a knife and the accurate welded fastening of blade, the handle of a knife is slice semicircle type, and the handle of a knife plane is perpendicular with the plane of sword support place face, and circular arc one side of handle of a knife semicircle is up, radial one side and the accurate welded fastening of blade, the blade comprises two parts, and the first part is the part that engages with handle of a knife and sword support, is the semicylindrical type, and the top of semicylindrical and the middle point accurate welded of sword support outer arc are down, and the cylinder of semicylindrical is down, and the plane of semicylindrical and the radial one side accurate welded of handle of a knife, and the second part is the sharp separating component of puncture and bilateral direction cutting, sharp separating component front end adopts top twolip type design.
2. The scalpel for sharp separation of acne subcutaneous tissue adhesions as in claim 1, wherein: the arc of the knife holder corresponds to an inner diameter of 14.5-21.0mm, an arc length of 11.5-16.5mm, a width of 4mm and a thickness of 2 mm.
3. The scalpel for sharp separation of acne subcutaneous tissue adhesions as in claim 1, wherein: the diameter of the knife handle is 0.38 times of the length of the knife body, and the thickness of the knife handle is the same as that of the knife body.
4. The scalpel for sharp separation of acne subcutaneous tissue adhesions as in claim 1, wherein: two surfaces of the handle, which can be grasped, are carved with strip-shaped anti-skid lines.
5. The scalpel for sharp separation of acne subcutaneous tissue adhesions as in claim 1, wherein: the angle of the inclined plane of the front end tip of the sharp separation part is 18 degrees, the section of the blade surface is in a diamond shape, the blade angle is 30 degrees, and the thickness of the blade ridge is 0.21-1.54 mm.
6. The scalpel for sharp separation of acne subcutaneous tissue adhesions as in claim 1, wherein: the knife holder, the knife handle and the knife body are all made of medical stainless steel meeting the national standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655702.9U CN217162229U (en) | 2021-03-31 | 2021-03-31 | Scalpel for acutely separating adhesion of subcutaneous tissue of acne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655702.9U CN217162229U (en) | 2021-03-31 | 2021-03-31 | Scalpel for acutely separating adhesion of subcutaneous tissue of acne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217162229U true CN217162229U (en) | 2022-08-12 |
Family
ID=82706943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120655702.9U Expired - Fee Related CN217162229U (en) | 2021-03-31 | 2021-03-31 | Scalpel for acutely separating adhesion of subcutaneous tissue of acne |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217162229U (en) |
-
2021
- 2021-03-31 CN CN202120655702.9U patent/CN217162229U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220812 |
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