CN108261223B

CN108261223B - Skin scraping device

Info

Publication number: CN108261223B
Application number: CN201810080630.2A
Authority: CN
Inventors: 穆震; 张超; 曹璨; 孙亚娟
Original assignee: Individual
Current assignee: Mu Zhen
Priority date: 2018-01-28
Filing date: 2018-01-28
Publication date: 2020-09-04
Anticipated expiration: 2038-01-28
Also published as: CN108261223A

Abstract

The invention relates to a novel skin scraping device, which effectively solves the problems of inconvenience in scraping and unsurpassed scraping in the existing skin scraping process; the technical scheme includes that the device comprises two support rods, a pressure box is arranged on each support rod, a sleeve is arranged below the pressure box, a piston capable of moving up and down is arranged in the sleeve, a support rod is arranged on the piston, an arc-shaped scraping blade is arranged at the other end of the support rod, a connecting rod is hinged to the upper end of each support rod, the upper ends of the two connecting rods are hinged to each other, the two connecting rods are connected through a tension spring, a roller capable of moving up and down is arranged below the hinged position of the upper ends of the two connecting rods, a stepping motor is connected onto the roller, the hinged point of the roller and the upper ends of the two connecting rods is fixedly connected through a first rope, a lantern ring is sleeved on the roller, a winding wheel is arranged below the lantern ring, the lantern ring is fixedly connected with the winding wheel through a second rope, a gear.

Description

Skin scraping device

Technical Field

The invention relates to the field of skin scraping, in particular to a skin scraping device.

Background

In clinical dermatology, the in-process of treating skin needs to be cleared the skin surface usually and scrapes, current clear mode of scraping adopts medical personnel to carry out slow grinding and clear scraping to patient's skin surface through the scraper usually, and this kind of clear mode of scraping needs medical personnel to press down the skin for a long time to fix a position, and clear the scraping through the reciprocating motion of arm, this kind of clear mode of scraping needs the unsettled operation of the long-time arm of medical personnel, this kind of long-time unsettled work load that makes medical personnel is grow, and long-time unsettled messenger of arm can clearly scrape the appearance deviation, thereby cause the secondary injury of disease.

In order to liberate medical personnel, the skin scraper that generally adopts of hospital now carries out the clearance of skin, but this kind of scraper mostly adopts direct scraping, this kind of mode of scraping, the action is rapid, very easily causes the secondary damage of patient's skin, owing to adopt equipment to scrape in addition, consequently the effect of the skin of closely laminating can not be satisfied to the scraper generally, the in-process of using the scraper usually need press the location to skin and place the wrinkle simultaneously, but the requirement more than can not effectually be satisfied to the present skin scraper.

Accordingly, the present invention provides a skin scraping device to solve the above problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the skin cleaning and scraping device, which effectively solves the problems of inconvenience in cleaning and scraping and no humanization in the existing skin cleaning and scraping process.

The technical scheme for solving the problems comprises two support rods which are horizontally arranged at intervals and can move left and right, a pressure box is respectively fixed at the lower part of each support rod, a plurality of sleeves which are arranged at intervals are arranged at the lower part of each pressure box, the axes of the plurality of sleeves are positioned on the vertical surface in the same front-back direction, the pressure box is communicated with the plurality of sleeves, a piston which can move up and down in the sleeve is arranged in each sleeve, the piston, the sleeves and the pressure boxes form a closed cavity, a support rod which is horizontal and can move up and down along with the piston is arranged on each piston, one end of the support rod is fixed on the piston, the other end of the support rod extends out of the sleeve and is fixed with an arc-shaped doctor blade, the arc-shaped doctor blade is arranged between the sleeves, the, can be inserted into the interval between the arc-shaped scraping blades on the corresponding side of the blade and forms a tightly meshed state;

the upper end of every bracing piece articulates there is a connecting rod that tilt up placed, the upper end of two connecting rods is articulated each other, connect through the extension spring between two connecting rods, be equipped with the level under two connecting rod upper end articulated position and place and the roller that can up-and-down motion, be connected with on the roller and make its low-speed pivoted step motor, through first rope fixed connection between roller and the two connecting rod upper end pin joints, the cover is equipped with the lantern ring on the roller, the lantern ring does not rotate along with the roller, the below of the lantern ring is equipped with the reel, through second rope fixed connection between lantern ring and the reel, the front side of reel is equipped with rather than coaxial arrangement's gear, the top of gear is equipped with can rather than the incomplete gear.

The invention has novel conception, ingenious structure and strong practicability, realizes equal force of each arc-shaped scraping blade contacting the skin through the pressure box, ensures more comfort and humanization in the process of scraping the skin through the arc-shaped scraping blades and simultaneously scraping the skin left and right, and simultaneously realizes more thorough skin scraping by adopting a reciprocating slow propelling mode.

Drawings

FIG. 1 is a front sectional view of the present invention.

FIG. 2 is a left side sectional view of the present invention.

Fig. 3 is a top view of the present invention.

FIG. 4 is a schematic top view of the reciprocating slow-pushing device of the present invention.

FIG. 5 is a front sectional view of the reciprocating slow propulsion device of the present invention.

Fig. 6 is a left side view of the reciprocating slow propulsion device of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As can be seen from fig. 1 to 6, the invention comprises two support rods 1 which are horizontally arranged at intervals and can move left and right, a pressure box 2 is respectively fixed at the lower part of each support rod 1, a plurality of sleeves 3 which are arranged at intervals are arranged at the lower part of each pressure box 2, the axes of the plurality of sleeves 3 are positioned on the same vertical surface in the front-back direction, the pressure boxes 2 are communicated with the plurality of sleeves 3, a piston 4 which can move up and down in each sleeve 3 is arranged in each sleeve 3, the piston 4, the sleeves 3 and the pressure boxes 2 form a closed cavity, a support rod 5 which is horizontal and can move up and down along with the piston 4 is arranged on each piston 4, one end of the support rod 5 is fixed on the piston 4, the other end of the support rod extends out of the sleeve 3 and is fixed with an arc-shaped scraping blade 6, the arc-shaped scraping blade 6 is arranged between the sleeves 3 and, can be inserted into the space between the arc-shaped scraping blades 6 on the corresponding side and forms a tightly occluded state;

the upper end of every bracing piece 1 articulates there is a connecting rod 7 that the tilt up was placed, the upper end of two connecting rods 7 is articulated each other, connect through extension spring 8 between two connecting rods 7, be equipped with the level under two connecting rod 7 upper end articulated positions and place and can up-and-down motion's roller 9, be connected with on the roller 9 and make its low-speed pivoted step motor 10, through first rope 11 fixed connection between roller 9 and the two connecting rod 7 upper end pin joint, the cover is equipped with lantern ring 12 on the roller 9, lantern ring 12 does not rotate along with roller 9, the below of lantern ring 12 is equipped with reel 13, through second rope 14 fixed connection between lantern ring 12 and the reel 13, the front side of reel 13 is equipped with rather than coaxial arrangement's gear 15, the top of gear 15 is equipped with can rather than the incomplete gear 16 of meshing.

In order to realize more convenient support and the sliding effect of bracing piece 1, the below of two bracing pieces 1 is equipped with frame 17, and the both ends of every bracing piece 1 are fixed with a first slider 18 respectively, are equipped with the first spout 19 of mutually supporting with first slider 18 on the frame 17, make two bracing pieces 1 more stable at gliding in-process through frame 17 and the first spout 19 of first slider 18, have also satisfied the bearing effect of two bracing pieces 1 simultaneously.

In order to realize that this device laminates skin more in the use, be equipped with landing leg 20 on the frame 17, the below of every landing leg 20 is equipped with rubber pad 21, is equipped with pressure spring 22 between every landing leg 20 and the rubber pad 21 of its below, the one end of pressure spring 22 and the lower bottom surface fixed connection of landing leg 20, the other end and rubber pad 21 fixed connection, it makes to realize the whole flexible compression downwards of this device at the in-process of motion to set up pressure spring 22 between landing leg 20 and the rubber pad 21, and make this device laminate skin more in the use.

In order to realize that the sleeve 3 can continuously keep rotating in the up-and-down movement process, the left end and the right end of the roller 9 are respectively provided with a rectangular sliding block 23, the roller 9 is respectively connected with the rectangular sliding blocks 23 on the two sides in a rotating mode through a bearing, the outer side of each rectangular sliding block 23 is provided with a sliding rail 24 matched with the rectangular sliding block 23, the rectangular sliding blocks 23 can move up and down in a sliding mode and cannot be separated from the sliding rails 24, and the roller 9 can keep rotating in the up-and-down movement process through the matching of the rectangular sliding blocks 23 and the.

In order to realize the stable connection of each part of the device, the front end and the rear end of the frame 17 are respectively provided with a supporting plate 25, the sliding rail 24 is fixed on the supporting plate 25 at the rear side through a fixing rod, the gear 15 is connected on the supporting plate 25 at the front side through a shaft in a rotating manner, the incomplete gear 16 is sleeved with a rotating shaft 26, the rotating shaft 26 is connected with a motor fixed on the supporting plate 25 at the front side, the supporting relationship among each part is realized through the supporting plates 25 at the front side and the rear side, and therefore the device can meet the stable effect in the specific use process.

In order to realize the up-and-down motion of branch 5, be equipped with the logical groove 27 of mutually supporting with branch 5 on the sleeve 3, the length that leads to groove 27 will be short in piston 4 length, and the up-and-down motion that realizes branch 5 through setting up logical groove 27 can not produce the interference with sleeve 3, and the length of the piston 4 of setting is longer than logical groove 27 and has satisfied no matter how the piston 4 moves, can not cause logical groove 27 and pressure tank 2 to produce the intercommunication.

In order to realize the pressure stabilization of the pressure tanks 2, an air pump 28 is arranged on each pressure tank 2, and the air pump 28 is arranged to ensure that the pressure in the pressure tanks 2 is always kept in a stable state, so that when the arc-shaped scraper 6 touches the skin on the non-same horizontal plane to cause the air pressure in the pressure tanks 2 to change, the air pump 28 can automatically supplement the pressure.

The specific working process of the invention is as follows: when the device is in an initial state, the arc-shaped scraping blades 6 on the two sides are simultaneously in the middle position, the starting positions of the arc-shaped scraping blades 6 on the two sides are located on the same straight line, the lower ends of the two connecting rods 7 shrink towards the center, and the tension spring 8 is in a non-stretching state.

When the device is used, firstly, the skin disease of a patient is judged, different pressure values are set according to different skin diseases, different pressure values are set to meet different patients, different scraping depths are realized, pressure increase in the pressure tank 2 is realized under the action of the air pump 28, when the pressure in the pressure tank 2 is increased, the piston 4 is pushed to move downwards in the sleeve 3, in the moving process, the downward movement of the piston 4 drives the supporting rod 5 to move downwards along the through groove 27, the downward movement of the supporting rod 5 can drive the arc-shaped scraping blade 6 fixed at one end of the supporting rod 5 to move downwards, the downward movement of the arc-shaped scraping blade 6 can enable the lower end of the arc-shaped scraping blade 6 to contact with the skin, the whole device can be driven to move upwards when the arc-shaped scraping blade 6 contacts with the skin, at the moment, the frame 17 is pressed downwards by hands, the stress of the frame 17 moves downwards, the downward movement of the frame 17, the movement process can enable the supporting leg 20 to downwards extrude the pressure spring 22, enable the pressure spring 22 to contract, and enable the fixed rubber pad 21 at the lower part of the pressure spring to be pressurized in the contraction process of the pressure spring 22, so that the rubber pad 21 is tightly attached to the skin, and in the process of downwards extruding the frame 17, as the arc-shaped scraping blade 6 contacted with the skin is subjected to resistance from the skin, the arc-shaped scraping blade 6 can be driven to upwards move under the action of the resistance, so as to overcome the pressure provided by the pressure box 2, and in the process of pressing the skin to overcome the pressure in the pressure box 2, the arc-shaped scraping blade 6 can drive the supporting rod 5 to upwards move, the piston 4 can be driven to upwards move in the sleeve 3 by the upwards movement of the supporting rod 5, and the pressure in a sealed cavity formed by the piston 4, the sleeve 3 and the pressure box 2 can be increased by the upwards movement of the piston 4, and the pressure in the sealed cavity formed by, therefore, the depth change of the arc-shaped scraping blade 6 cut into the skin is realized, and the requirement of different patients on scraping skin lesion areas with different depths is met.

When the arc-shaped scraper 6 cutting into the skin reaches the preset depth, the driving motors of the stepping motor 10 and the incomplete gear 16 are simultaneously turned on, and the rotating speeds of the two motors are required to be far greater than that of the stepping motor 10, after the stepping motor 10 rotates, the stepping motor 10 drives the roller 9 to rotate, the roller 9 rotates to drive the first rope 11 to slowly wind on the roller, so that the first rope 11 is tightened, in the process that the roller 9 rotates to tighten the first rope 11, the two hinged connecting rods 7 move downwards under the action of the first rope 11, in the process that the hinged position of the connecting rod 7 is stretched downwards under the action of the first rope 11, the two inclined connecting rods 7 tend to be pulled to be horizontal, and in the moving process, the connecting rod 7 pushes the supporting rod 1 hinged with the connecting rod outwards, the support rod 1 moves towards two sides under the action of the connecting rod 7.

The first sliding blocks 18 at the two ends of the supporting rod 1 can slide outwards in the corresponding first sliding grooves 19 in the process that the supporting rod 1 moves towards the two sides, the pressure box 2 fixed on each supporting rod 1 can move outwards in the moving process, and therefore the sleeve 3, the piston 4 and the arc-shaped scraping blade 6 fixed on the pressure box 2 are driven to move outwards, and the skin of a lesion area can be scraped clearly.

In the moving process, the driving motor on the incomplete gear 16 simultaneously rotates, so that the motor rotates to drive the output shaft of the incomplete gear to rotate, the incomplete gear 16 is driven to rotate by the transmission shaft, when the toothed part of the incomplete gear 16 starts to contact with the gear 15 below, the rotation of the incomplete gear 16 is meshed with and drives the gear 15 to rotate, the rotation of the incomplete gear 16 drives the winding wheel 13 to rotate by the shaft, the rotation of the winding wheel 13 can realize the winding of the second rope 14 thereon and the tightening of the second rope, and in the tightening process, the second rope 14 can pull the lantern ring 12 downwards, the downward movement of the lantern ring 12 can drive the roller 9 to move downwards, and the lantern ring 12 is sleeved on the roller 9, so that the rotation of the roller 9 is not influenced when the lantern ring 12 drives the roller 9 downwards, when the roller 9 moves downwards, the roller 9 drives the first rope 11 to move downwards, the two connecting rods 7 with hinged upper ends are driven to move downwards under the action of the first rope 11, the connecting rods 7 push the supporting rods 1 to move outwards quickly, the tension of the tension spring 8 can be realized in the moving process, and the tension spring 8 has the rebound tendency and elastic potential energy.

After the toothless part of the incomplete gear 16 rotates to the position corresponding to the gear 15, because the teeth on the incomplete gear 16 can not be meshed with and drive the gear 15 any more, at this time, the gear 15 does not receive the driving force from the incomplete gear 16 any more, so that the two supporting rods 5 with hinged upper ends can be contracted towards the middle under the action of the tension spring 8 under the rebound action of the tension spring 8, in the contraction movement process, the two supporting rods 1 move towards the middle and drive the pressure box 2 and the arc-shaped scraping blade 6 fixed on the supporting rods to close towards the middle, and in the middle closing process, the blade part of the arc-shaped scraping blade 6 does not move forwards any more, so that the process can not cause secondary damage to the skin of a patient.

When the two support rods 1 move towards the middle, the hinged position of the two support rods 5 moves upwards, and the upward movement drives the first rope 11 to stretch upwards, during the stretching of first rope 11, first rope 11 drives roller 9 to move upwards, and the upward movement of roller 9 can make rectangular sliding blocks 23 arranged at two sides of roller 9 move up and down in sliding rails 24, in the process, the stepping motor 10 continuously drives the roller 9 to tighten the first rope 11, when the roller 9 moves upwards, the lantern ring 12 is driven to move upwards, the upward movement of the lantern ring 12 drives the second rope 14 to move upwards, during this movement, the second rope 14 is stretched by the loop 12, so that the second rope 14 wound on the winding wheel 13 drives the winding wheel 13 to rotate in the opposite direction, since the reel 13 is mounted coaxially with the gear 15, the rotation of the reel 13 effects the return of the gear 15.

After the skin on one side is scraped, the device is rotated, so that the arc-shaped scraping blades 6 on the two sides scrape the skin on the corresponding side, and the whole lesion area is scraped.

This device has following benefit compared with traditional skin scraper:

1. the device provides a preset and fixed pressure value for the pressure tank 2 through the air pump 28, so that the piston 4 moves downwards under the action of air pressure before the skin is cleaned, the arc-shaped scraping blade 6 connected to the piston 4 is connected with the skin, when the arc-shaped scraping blade 6 contacts the skin, the skin can provide a reaction force for the arc-shaped scraping blade 6, the arc-shaped scraping blade 6 which contacts the hair skin firstly stops moving downwards due to the reaction force, the arc-shaped scraping blades 6 which do not contact the skin move downwards until all the arc-shaped scraping blades 6 contact the skin, and at the moment, all the sleeves 3 are communicated, so that the pressure in each sleeve 3 is the same, the force of the arc-shaped scraping blade 6 contacting the skin is also constant, and the device can be ensured to be attached to the skin at an uneven position more perfectly and ensure that the skin is uniformly stressed in the cleaning process The secondary damage caused by the scraper and manual scraping is effectively avoided.

2. The device adopts a bidirectional movement mode in the process of cleaning, namely, when in an initial position, the blade parts of the arc-shaped scrapers on the left side and the right side are firstly positioned on the same horizontal plane, the two parts are separated to simultaneously clean the left side and the right side, and the diseased region on the same side is only cleaned in a half region, but the time trend of cleaning a large area is the same, the cleaning mode effectively solves the problem that the skin is loosened due to the scraping of the scrapers in the process of cleaning the skin, the loosening effect can realize the skin fold when the skin is cleaned, the fold is extremely easy to cause the secondary damage of the scrapers to the skin, the skin cannot wrinkle and be cleaned by pressing with one hand in the traditional process of solving the problem, but the mode is not labor-saving, and the device adopts bidirectional simultaneous cleaning, even the arc doctor-bar 6 of both sides is scraped the instrument and is simultaneously again for the clear in-process of scraping of offside is provided effectual pressing the effect and is realized scraping and can not appear skin not hard up to the secondary damage to skin has been avoided.

3. Traditional skin is clearly scraped and is generally adopted the scraper to carry out a reciprocating motion on the skin surface and realize advancing simultaneously, the benefit of doing so is reciprocating slowly to advance and is carrying out surperficial grinding to skin, it is not hard up to make the pathological change region on the skin through slow grinding, the benefit of doing so is avoided directly to scrape and causes the damage to skin, current skin is clearly scraped the ware and is generally all adopted once only to clearly scrape, such clear mode of scraping, use the cutting part directly to scrape, it is huge to scrape the skin injury of process to the patient, simultaneously also can not guarantee skin pathological change district and can clearly scrape thoroughly, and this device simulation manual work is clearly scraped, realize clearly scraping through reciprocating slowly advancing and realize the skin jointly scraping more humanized of in-process with the grinding.

4. The device drives the roller 9 to rotate through the stepping motor 10 which continuously rotates, the roller 9 slowly rotates to realize continuous pull-down of the first rope 11 to the two connecting rods 7 which are hinged together, so as to realize left-right pushing of the supporting rods 1, because the stepping motor 10 continuously rotates, the initial positions of the two supporting rods 1 are continuously pushed in the process, namely the process of the device which slowly pushes forwards, the incomplete gear 16 is meshed with the gear 15 to drive the winding wheel 13 to drive the roller 9 to move downwards through the second rope 14, the incomplete gear 16 is not meshed with the gear 15, the roller 9 is reset under the action of the tension spring 8, the process is reciprocating motion, the motion process of the reciprocating motion is a timed and quantitative process, namely the process of the device for grinding the leather, because the rotating speed of the incomplete gear 16 is higher than the rotating speed of the stepping motor 10, therefore, the cleaning and scraping are more thorough by reciprocating for a plurality of times in the process of slowly pushing each time, and the cleaning and scraping are more mild and humanized.

Claims

1. A skin scraping device comprises two supporting rods (1) which are horizontally arranged at intervals and can move left and right, and is characterized in that a pressure box (2) is fixed on the lower portion of each supporting rod (1), a plurality of sleeves (3) which are arranged at intervals are arranged on the lower portion of each pressure box (2), the axes of the plurality of sleeves (3) are positioned on the vertical surface of the same front and back direction, the pressure boxes (2) are communicated with the plurality of sleeves (3), a piston (4) which can move up and down in each sleeve (3) is arranged in each sleeve (3), the piston (4), the sleeves (3) and the pressure boxes (2) form a closed cavity, a horizontal supporting rod (5) which can move up and down along with the piston (4) is arranged on each piston (4), one end of the supporting rod (5) is fixed on the piston (4), the other end of the supporting rod extends out of each sleeve (3) and is fixed with an arc scraping blade (6, the arc-shaped scraping blades (6) are arranged between the sleeves (3), the blade parts of the arc-shaped scraping blades (6) face outwards, and when the arc-shaped scraping blades (6) on the left side and the right side move towards the middle, the arc-shaped scraping blades can be inserted into the intervals between the arc-shaped scraping blades (6) on the corresponding sides and form a tightly meshed state;

the upper end of each supporting rod (1) is hinged with a connecting rod (7) which is obliquely arranged upwards, the upper ends of the two connecting rods (7) are hinged with each other, the two connecting rods (7) are connected through a tension spring (8), a roller (9) which is horizontally arranged and can move up and down is arranged right below the hinged position of the upper ends of the two connecting rods (7), the roller (9) is connected with a stepping motor (10) which can enable the roller to rotate at a low speed, the hinged point of the upper ends of the roller (9) and the two connecting rods (7) is fixedly connected through a first rope (11), a lantern ring (12) is sleeved on the roller (9), the lantern ring (12) does not rotate along with the roller (9), a winding wheel (13) is arranged below the lantern ring (12), the lantern ring (12) is fixedly connected with the winding wheel (13) through a second rope (14), a gear (15) which is coaxially arranged on the front side of the winding wheel (13) is arranged, and an incomplete;

a frame (17) is arranged below the two support rods (1), a first sliding block (18) is fixed at each of two ends of each support rod (1), and a first sliding groove (19) matched with the first sliding block (18) is formed in the frame (17);

last pivoted step motor (10) drive roller (9) and rotate, roller (9) slowly rotate and realize first rope (11) to two articulated connecting rod (7) of being in the same place continuously pull down, thereby realize promoting about bracing piece (1), this is the process of the slow forward lapse of this device, incomplete gear (16) and gear (15) meshing drive winding wheel (13) and drive roller (9) through second rope (14) and move down, incomplete gear (16) do not mesh with gear (15), realize the reseing of roller (9) under the effect of extension spring (8), this process is the reciprocating motion process promptly, two movements combine to realize anthropomorphic dummy hand operation effect.

2. The skin scraping device according to claim 1, wherein the frame (17) is provided with legs (20), a rubber pad (21) is arranged below each leg (20), a compression spring (22) is arranged between each leg (20) and the rubber pad (21) below the leg (20), one end of the compression spring (22) is fixedly connected with the lower bottom surface of the leg (20), and the other end of the compression spring is fixedly connected with the rubber pad (21).

3. The skin scraping device according to claim 1, wherein rectangular sliding blocks (23) are arranged at the left end and the right end of the roller (9), the roller (9) is rotatably connected with the rectangular sliding blocks (23) at the two sides through bearings, sliding rails (24) matched with the rectangular sliding blocks (23) are arranged at the outer sides of the rectangular sliding blocks (23), and the rectangular sliding blocks (23) can move up and down in a sliding manner and cannot be separated from the sliding rails (24).

4. The skin scraping device according to claim 1, wherein the frame (17) is provided with a support plate (25) at each of the front and rear ends thereof, the slide rail (24) is fixed to the rear support plate (25) via a fixing rod, the gear (15) is rotatably connected to the front support plate (25) via a shaft, the incomplete gear (16) is sleeved with a rotating shaft (26), and the rotating shaft (26) is connected to a motor fixed to the front support plate (25).

5. A skin scraping device according to claim 1, wherein the sleeve (3) is provided with a through slot (27) cooperating with the bar (5), the length of the through slot (27) being shorter than the length of the piston (4).

6. A skin scraping device according to claim 1, wherein an air pump (27) is provided on each pressure tank (2).