CN111110258A - Adjustable skin tension tester - Google Patents
Adjustable skin tension tester Download PDFInfo
- Publication number
- CN111110258A CN111110258A CN202010045921.5A CN202010045921A CN111110258A CN 111110258 A CN111110258 A CN 111110258A CN 202010045921 A CN202010045921 A CN 202010045921A CN 111110258 A CN111110258 A CN 111110258A
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- China
- Prior art keywords
- skin
- wound
- pressure sensor
- connecting rod
- needle frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000036558 skin tension Effects 0.000 title claims abstract description 28
- 230000001737 promoting effect Effects 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 17
- 238000000338 in vitro Methods 0.000 abstract description 2
- 206010052428 Wound Diseases 0.000 description 39
- 208000027418 Wounds and injury Diseases 0.000 description 39
- 238000005259 measurement Methods 0.000 description 5
- 206010072170 Skin wound Diseases 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 206010020718 hyperplasia Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000302 ischemic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
- A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
- A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Dermatology (AREA)
- Physical Education & Sports Medicine (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
Skin tension apparatus with adjustable, including two fixed feet that are used for fixing on wound both sides skin, link to each other through the connecting rod between two fixed feet, fixed foot on be connected with and impel the piece, impel the piece and be used for promoting two fixed feet and slide on the connecting rod, impel the piece on one end be provided with locking structure, the other end is provided with the spring, the spring tail end set up pressure sensor, the last display 7 that is connected with of pressure sensor. The device can be used in vitro, has small damage to the skin, is simple to operate, is convenient to disinfect, and can be used clinically.
Description
Technical Field
The invention relates to the technical field of skin tension measurement, in particular to an adjustable skin tension measuring device.
Background
The skin tension at the wound site is directly related to whether the wound can be directly closed, which method and material should be selected for wound closure, and the degree of scar hyperplasia after wound healing. The simple and adjustable wound skin tension measuring device is manufactured, and has important guiding significance for clinical application and scientific research.
At present, no measuring instrument specially used for measuring the skin tension of wounds exists clinically. The skin stretching device which is used clinically at present aims at the problem that the wound has too high tension and can not be directly drawn together and sutured. In the traditional skin stretching device, a kirschner wire penetrates into two sides of a skin wound in parallel, and then the kirschner wires on the two sides of the wound are stretched by mechanical force to close the wound. The device aims to pull the skin to close the wound, but cannot measure the skin tension at the wound. It is known that the tension that the skin can bear is limited, and excessive tension can tear the skin and cause the risk of ischemic necrosis of the skin margin. Therefore, an adjustable apparatus for measuring the skin tension of a wound is needed to measure the skin tension of the wound.
There have been improvements to conventional skin retractors. Chinese patent document CN201711065999.8 introduces a tension measurable adjustable skin stretching anastomat. The device comprises a force measuring structure and two sets of skin stretching structures distributed on two sides of the force measuring structure, wherein the force measuring structure adopts a spring dynamometer. Although the device can measure the tension of the skin at a wound site, the device is still a skin stretching device which is used for stretching the skin to close the wound, and is not specially used for measuring the skin tension of the wound. In addition, the measuring device adopts a spring dynamometer, is relatively heavy, and has inaccurate force measurement, especially for the part with small wound skin tension, the wound skin tension cannot be accurately measured.
It is therefore the background of the present invention to develop a measuring device which is primarily intended for the accurate measurement of the skin tension at a wound site and which is capable of measuring skin tensions of different sizes, and to provide a medical device which can assist in the stretching of the skin when necessary.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an adjustable skin tension tester, which can be used for testing the skin tension of wounds at different positions, is used in vitro, has small damage to the skin, is simple to operate, is convenient to disinfect, and can be used clinically.
In order to achieve the purpose, the invention adopts the technical scheme that:
skin tension apparatus with adjustable, including two fixed feet 1 that are used for fixing on wound both sides skin, link to each other through connecting rod 2 between two fixed feet 1, fixed foot 1 on be connected with propulsion piece 3, propulsion piece 3 is used for promoting two fixed feet 1 and slides on connecting rod 2, propulsion piece 3 on one end be provided with locking structure 4, the other end is provided with spring 5, 5 tail ends of spring set up pressure sensor 6, be connected with display 7 on the pressure sensor 6.
The fixed foot 1 comprises a needle frame and 2 metal sheets connected above the needle frame and arranged side by side, the direction of each metal sheet is vertical to that of the needle frame, small holes are formed in the metal sheets, and the 2 metal sheets are spaced by 1 cm.
The connecting rod 2 is a cylindrical metal rod with the diameter of about 2mm, one end of the connecting rod is connected and fixed with the needle frame, and the other end of the connecting rod penetrates through the needle frame, so that the needle frame can freely move on the connecting rod 2 without resistance.
The propelling part 3 is a threaded metal rod, penetrates through the needle frame from the middle of the two connecting rods 2, one end of the propelling part 3 is provided with a spring 5 and a pressure sensor 6, and the other end of the propelling part is provided with a locking structure 4.
The pressure sensor 6 is connected to the display 7 through an electric wire to display the strength.
The invention has the beneficial effects that:
(1) the invention utilizes the skin stretching device and the pressure sensor to manufacture the tension measuring device which can be used for measuring the skin tension of different wounds. The device can accurately measure the skin tension of the wound, and makes up the defect that no accurate wound tension measuring device exists clinically at present.
(2) The skin traction device has the advantages of simple structure, light weight and easy installation, the device has little influence on the skin tension during measurement, the device is easy to remove after the measurement is finished, and if the device is not removed, the device can be used as a skin traction device for continuously stretching after the tension is measured.
(3) The pressure sensor is adopted by the force measuring device, compared with the traditional spring force meter, the data measured by the pressure sensor is more accurate, the weight of the device is reduced, and the influence of overlarge devices on wounds is reduced, so that the force measuring result is influenced.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1:
the skin tension measuring device comprises a force measuring device and a set of skin stretching devices which can be fixed on two sides of the skin of a wound. The skin stretching device comprises two fixing feet 1 used for being fixed on the skin on two sides of a wound, a connecting rod 2 used for connecting the two fixing feet 1, a pushing piece 3 used for pushing the two fixing feet 1 to slide on the connecting rod 2, and a locking structure 4 arranged on the pushing piece 3. Propulsion piece 3 is the screw thread form, and when rotatory propulsion piece 3, two fixed feet 1 can be close to along the screw thread direction, make the wound closure, and when the wound reached the closure back, use locking structure 4 to lock.
Furthermore, two fixed feet 1 that can be used to fix on wound both sides skin comprise a needle frame and connect 2 sheetmetals of arranging side by side above it, and the sheetmetal direction is perpendicular with the needle frame direction, has the aperture on the sheetmetal, and the interval is 1cm between 2 sheetmetals. The metal sheet can be well attached to the surface of the skin and is adhered or sewed to the skin through the adhesive tape.
Further, the two needle frames are connected into a whole through two connecting rods 2. The connecting rod 2 is a metal rod with the diameter of about 2mm, one end of the connecting rod is fixed with the needle frame, and the other end of the connecting rod penetrates through the needle frame, so that the needle frame can freely move on the connecting rod without resistance. The middle of the two connecting rods 2 is provided with a propelling part 3, the propelling part 3 is a threaded metal rod, the needle frame penetrates through the centers of the two connecting rods 2, and the fixing foot on one side is pushed to move towards the other direction by rotating the locking structure 4 at the tail end until the skins on the two sides are involuted.
Further, the force measuring device is a pressure sensing force measuring device. A spring 5 is arranged at the other end (opposite to the locking structure) of the propelling part 3, and a pressure sensor 6 is arranged at the tail end of the spring 5. The other end of the pressure sensor 6 is connected to a display 7. In the case of a skin wound which is free from any external force and which is naturally open, the spring on the side of the pressure sensor 6 is completely relaxed, and there is no pressure on the pressure sensor 6, which reads zero. When the locking structure 4 at the tail end of the pushing piece 3 is rotated, the wound is closed under the action of tension, and the spring 5 at the tail end of the pushing piece 3 is pressed to press the pressure sensor 6, so that the pressure applied is sensed, and finally the pressure sensor 6 displays the pressure in a numerical mode, thereby indirectly reflecting the tension of the skin of the wound.
The working principle of the invention is as follows:
when the fixing foot device is used, the two fixing feet 1 are respectively fixed on two sides of a skin wound, the metal sheets on the fixing feet 1 can be well attached to the surface of the skin, and the fixing foot device is fixed on the skin through adhesive tape adhesion or suture. When the tension is particularly high, a kirschner wire can be used for penetrating through the metal sheet on the fixing foot 1 and then penetrating through the skin on two sides of the wound to be fixed on the wound.
After the two fixing feet 1 are tightly fixed with the skin on two sides of the wound, the locking structure 4 on the pushing piece 3 is adjusted to enable the locking structure 4 to be located at the initial position of zero tension of the wound. At the moment, the wound is naturally opened without any external force, the two fixing feet 1 are positioned at the two sides of the wound, and the locking structure 4 is tightly close to the fixing feet 1. The spring 5 at the other end is in a fully relaxed state and the pressure sensor 6 does not receive any pressure and reads zero.
When the tension needs to be measured, the locking structure 4 on the pushing rod 3 is rotated to enable the skin on two sides of the wound to be closed under the pushing force, the spring 5 at the other end of the rod of the pushing piece 3 is infected with pressure and is compressed and deformed, and the pressure sensor 6 at the tail end of the spring 5 displays the sensed pressure value specifically. When the skin of the wounds on the two sides is completely closed, the locking structure 4 stops being screwed at the moment, and the pressure sensed by the pressure sensing device on the other rod of the push rod 3 is the tension of the skin wound.
Claims (5)
1. Skin tension apparatus with adjustable, its characterized in that includes two fixed feet (1) that are used for fixing on wound both sides skin, links to each other through connecting rod (2) between two fixed feet (1), fixed foot (1) on be connected with propulsion piece (3), propulsion piece (3) are used for promoting two fixed feet (1) and slide on connecting rod (2), propulsion piece (3) on one end be provided with locking structure (4), the other end is provided with spring (5), spring (5) tail end set up pressure sensor (6), be connected with display (7) on pressure sensor (6).
2. The adjustable skin tension tester as claimed in claim 1, wherein the fixed foot (1) is composed of a needle frame and 2 metal sheets connected above the needle frame and arranged side by side, the direction of the metal sheets is perpendicular to that of the needle frame, small holes are formed in the metal sheets, and the interval between the 2 metal sheets is 1 cm.
3. The adjustable skin tension tester as claimed in claim 1, wherein the connecting rod (2) is a cylindrical metal rod with a diameter of about 2mm, one end of which is connected and fixed with the needle frame, and the other end of which passes through the needle frame, so that the needle frame can move freely on the connecting rod (2) without resistance.
4. The adjustable skin tension tester as claimed in claim 1, wherein the pushing member (3) is a threaded metal rod passing through the needle holder from the middle of the two connecting rods (2), and one end of the pushing member (3) is provided with a spring (5) and a pressure sensor (6), and the other end is provided with a locking structure (4).
5. The adjustable skin tension tester as claimed in claim 1, wherein the pressure sensor (6) is connected to a display (7) by a wire to display the force level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045921.5A CN111110258A (en) | 2020-01-10 | 2020-01-10 | Adjustable skin tension tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010045921.5A CN111110258A (en) | 2020-01-10 | 2020-01-10 | Adjustable skin tension tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111110258A true CN111110258A (en) | 2020-05-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010045921.5A Pending CN111110258A (en) | 2020-01-10 | 2020-01-10 | Adjustable skin tension tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111110258A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043405A (en) * | 2020-08-25 | 2020-12-08 | 浙江大学 | Animal skin expansion device based on three-dimensional printing |
| CN114199543A (en) * | 2021-12-13 | 2022-03-18 | 东华大学 | System and method for testing ankle joint varus protection efficacy of ankle protector |
| CN115590570A (en) * | 2022-11-28 | 2023-01-13 | 山东百多安医疗器械股份有限公司（Cn） | Intelligent induction wound tensile scar inhibiting instrument |
| RU217970U1 (en) * | 2023-03-02 | 2023-04-27 | федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодская государственная молочнохозяйственная академия имени Н.В. Верещагина" (ФГБОУ ВО Вологодская ГМХА) | Device for tensiometric assessment of the strength of wound healing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112043405A (en) * | 2020-08-25 | 2020-12-08 | 浙江大学 | Animal skin expansion device based on three-dimensional printing |
| CN112043405B (en) * | 2020-08-25 | 2021-11-16 | 浙江大学 | Animal skin expansion device based on three-dimensional printing |
| CN114199543A (en) * | 2021-12-13 | 2022-03-18 | 东华大学 | System and method for testing ankle joint varus protection efficacy of ankle protector |
| CN115590570A (en) * | 2022-11-28 | 2023-01-13 | 山东百多安医疗器械股份有限公司（Cn） | Intelligent induction wound tensile scar inhibiting instrument |
| RU217970U1 (en) * | 2023-03-02 | 2023-04-27 | федеральное государственное бюджетное образовательное учреждение высшего образования "Вологодская государственная молочнохозяйственная академия имени Н.В. Верещагина" (ФГБОУ ВО Вологодская ГМХА) | Device for tensiometric assessment of the strength of wound healing |
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