Medical skin taking machine convenient to operate
By designing a medical skin harvesting machine with an opening and locking mechanism, the problem of assistants tightening the skin during skin grafting surgery has been solved, achieving the effect of rapid skin cutting by a single person and reducing infection.
Patent Information
- Application Number
- CN202211613176.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2042-12-15
AI Technical Summary
In existing technologies, doctors need assistants to help tighten the skin and control the cutting thickness during skin grafting surgery, which is a complex operation and makes the surgery inconvenient.
An easy-to-operate medical skin harvesting machine was designed, which includes an opening mechanism and a locking mechanism. The opening mechanism tightens the skin, and the locking mechanism controls the thickness of the skin cut, reducing reliance on assistants.
It enables rapid skin incision by a single operator, reducing patient pain and infection risk, and improving surgical efficiency.
Smart Images

Figure CN115919419B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical devices, in particular to a medical skin taking machine convenient to operate. BACKGROUND
[0002] When the burn area of a patient is large, skin grafting needs to be used, that is, a part of the patient's healthy skin is taken to cover the skin surface of the burned position, and the transplanted skin at the burned position will survive under the supply of the blood vessels at the burned position.
[0003] When the patient undergoes skin grafting surgery, a roller skin taking knife needs to be used to take the skin at the healthy position of the patient, and an assistant needs to tighten the skin at the healthy position of the patient when operating the roller skin taking knife, and then the skin taking knife is pressed on the healthy skin surface of the patient, and the skin surface is cut at an angle of 40°, and then the skin surface is cut at an angle of 20° along the skin surface after the skin surface is cut, so as to cut the skin surface layer, and then the skin is cut off when the length of the cut skin is appropriate.
[0004] However, during the actual operation of the doctor, an assistant needs to open the skin surface to assist, and the doctor needs to control the pressure of the blade to control the thickness of the skin cutting during the skin cutting, and the operation is relatively inconvenient and not convenient for the doctor's surgery. Therefore, we propose a medical skin taking machine convenient to operate. SUMMARY
[0005] The purpose of the present application is to provide a medical skin taking machine convenient to operate to solve the problems in the background art.
[0006] To achieve the above purpose, the present application provides the following technical scheme: a medical skin taking machine convenient to operate, comprising:
[0007] The pressing frame is provided with two pressing frames, and two tracks are arranged between the two pressing frames.
[0008] The opening mechanism is installed between the two pressing frames, and the opening mechanism tightens the skin of the patient when the pressing frame presses the skin surface.
[0009] The moving frame is installed between the two tracks, and the bottom of the moving frame is provided with a blade.
[0010] The locking mechanism is installed between the moving frame and the blade, and the locking mechanism locks the blade after the blade is lifted.
[0011] Preferably, the opening mechanism comprises a pressing plate installed in the pressing frame, the top of the pressing plate abuts against the inner wall of the pressing frame through a spring, the inner part of the pressing frame is provided with a guide block for guiding the pressing plate, and the two sides of the pressing plate are provided with springs which support the pressing plate in the pressing frame.
[0012] Preferably, an auxiliary mechanism is arranged between the track and the pressing frame, the auxiliary mechanism comprises a rubber strip mounted at the bottom of the track, the side of the track is provided with an auxiliary frame, the track and the auxiliary frame are connected through a spring three, the top of the auxiliary frame is provided with a spring four supported on the inner wall of the pressing frame, the top of the pressing plate is provided with a plurality of tooth grooves, and the bottom of the auxiliary frame is provided with a plurality of teeth corresponding to the tooth grooves.
[0013] Preferably, one side of the track is fixedly connected with a guide sleeve, and the inner wall of the pressing plate is fixedly connected with a guide column in sliding connection with the guide sleeve.
[0014] Preferably, the teeth are in a strip shape and are in parallel distribution with the tooth grooves.
[0015] Preferably, the teeth are in a strip shape and are in parallel distribution with the tooth grooves.
[0016] Preferably, the pressing frame is provided with a bandage one and a bandage two on both sides, one side of the bandage one is provided with a magic tape hook face and a nap face, and one end of the bandage two is provided with a buckle.
[0017] Preferably, the moving frame comprises sliding parts in sliding connection with the track, and the two sliding parts are provided with a mounting part connected with the sliding parts through a sleeve and a sleeve rod.
[0018] Preferably, the locking mechanism comprises a hand-held frame mounted in the mounting part, the inside of the hand-held frame is provided with a lifting frame, the hand-held frame is fixedly connected with the mounting part, the lifting frame is in sliding connection with the hand-held frame, the lifting frame and the mounting part are provided with a spring five, the inside of the lifting frame is rotatably connected with a rotating pin, the outside of the rotating pin is provided with a plurality of rubber blocks, the surface of the lifting frame is provided with rotating grooves for the rotation of the rubber blocks, and the inside of the hand-held frame is provided with a plurality of concaves in central symmetry distribution, and the rubber blocks are clamped in the concaves after rotation.
[0019] Preferably, one side of the mounting part is provided with a smearing mechanism, the smearing mechanism comprises a barrel fixedly connected to one side of the mounting part, the bottom of the barrel is provided with a discharge port, the inside of the barrel is provided with a piston, the top of the piston is fixedly connected with a screw rod, the two sides of the screw rod are provided with two guide rods, the outside of the screw rod is provided with a threaded barrel, the threaded barrel is in threaded connection with the screw rod, and the threaded barrel is in rotary connection with the barrel.
[0020] The present application has at least the following advantages:
[0021] The skin of the patient needing to be supplied is tautened by the opening mechanism, and the thickness of the skin cut by the blade is locked by the locking mechanism, compared with the prior art, in the actual operation process of the doctor, an assistant is needed to open the skin surface to assist, and the pressure of the blade is needed to be controlled by the doctor to control the thickness of the skin cutting during the skin cutting, the operation is relatively inconvenient, and the operation of the doctor is inconvenient, the present application only needs a single doctor to operate, the skin is directly tautened by the opening mechanism, after the doctor controls the thickness of the preliminary skin cutting, the locking mechanism locks the blade, and then the cutting knife can be directly pulled, the cutting speed is accelerated, the pain of the patient is reduced, the time of the skin of the patient after cutting exposed to the air is reduced, and the possibility of infection of the patient is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 It is a whole structure schematic diagram of the present application;
[0023] Figure 2 It is a pressing frame structure diagram of the present application;
[0024] Figure 3 It is an opening mechanism structure diagram of the present application;
[0025] Figure 4 It is an auxiliary mechanism structure diagram of the present application;
[0026] Figure 5 It is a local structure diagram of the present application;
[0027] Figure 6 It is a locking mechanism structure diagram of the present application;
[0028] Figure 7 It is a local sectional view of the locking mechanism of the present application;
[0029] Figure 8 It is an explosion diagram of the locking mechanism of the present application;
[0030] Figure 9 It is a structure diagram of the second embodiment of the present application;
[0031] Figure 10 It is a local plan view of the present application.
[0032] In the figure: 1-pressing frame; 2-track; 3-blade; 4-expansion mechanism; 41-pressing plate; 42-spring one; 43-guide block; 44-spring two; 5-assistant mechanism; 51-rubber strip; 52-assistant frame; 53-spring three; 54-spring four; 55-tooth groove; 56-tooth; 57-guide sleeve; 58-guide column; 6-moving frame; 61-sliding part; 62-mounting part; 63-sleeve; 64-sleeve rod; 7-locking mechanism; 71-handheld frame; 72-lifting frame; 73-spring five; 74-rotary pin; 75-rubber block; 76-groove; 8-applying mechanism; 81-cylinder; 82-piston; 83-screw; 84-guide rod; 85-threaded cylinder; 86-belt pulley one; 87-belt pulley two; 88-extrusion wheel; 89-belt; 9-bandage one; 10-bandage two; 11-clasp; 12-scraper one; 13-scraper two; 14-tensioning wheel; 15-spring six; 16-optical sensor. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0034] Please refer to Figures 1-10 The present application provides a technical solution:
[0035] Embodiment one,
[0036] A medical skin taking machine convenient to operate, comprising:
[0037] Pressing frame 1, two pressing frames 1 are provided, two tracks 2 are provided between the two pressing frames 1, and the pressing frame 1 plays a supporting role to adhere the blade 3 to the skin surface of the patient;
[0038] Expansion mechanism 4, the expansion mechanism 4 is installed between the two pressing frames 1, and the expansion mechanism 4 tightens the skin of the patient when the pressing frame 1 presses the skin surface, so that the expansion mechanism 4 facilitates the expansion of the skin of the patient, and in turn facilitates the medical staff to take off the skin with the blade 3;
[0039] Moving frame 6, the moving frame 6 is installed between the two tracks 2, the bottom of the moving frame 6 is provided with the blade 3, and the moving frame 6 facilitates the parallel movement of the blade 3;
[0040] The locking mechanism 7 is installed between the moving frame 6 and the blade 3, and locks the blade 3 after the blade 3 is lifted. After the skin is cut, if the thickness of the cut skin meets the requirements, the locking mechanism 7 is used to lock the height of the blade 3, so that the blade 3 can conveniently cut the skin with uniform thickness in the subsequent process.
[0041] The expansion mechanism 4 comprises a pressing plate 41 installed in the pressing frame 1. The top of the pressing plate 41 is abutted against the inner wall of the pressing frame 1 by a spring 42. The top of the spring 42 is fixedly connected with a movable block. The inner part of the pressing frame 1 is provided with a guide block 43 for guiding the pressing plate 41. The contact surface between the guide block 43 and the pressing plate 41 is an inclined surface. The two sides of the pressing plate 41 are provided with springs 44 fixedly connected with the pressing frame 1. The end of the spring 44 is fixedly connected with a movable block abutting against the side of the pressing plate 41. The spring 44 supports the pressing plate 41 in the pressing frame 1.
[0042] The auxiliary mechanism 5 is arranged between the track 2 and the pressing frame 1. The auxiliary mechanism 5 comprises a rubber strip 51 installed at the bottom of the track 2. The rubber strip 51 is fixedly connected with the track 2. The side of the track 2 is provided with an auxiliary frame 52. The contact surface between the auxiliary frame 52 and the track 2 is an inclined surface. The track 2 and the auxiliary frame 52 are connected by a spring 53. The spring 53 is fixedly connected with the auxiliary frame 52. The spring 53 is slidingly connected with the track 2 by a sliding block. The top of the auxiliary frame 52 is provided with a spring 54 supported on the inner wall of the pressing frame 1. The spring 54 is fixedly connected with the auxiliary frame 52. The end of the spring 54 is abutted against the inner wall of the pressing frame 1 by a movable block. The top of the pressing plate 41 is provided with a plurality of tooth grooves 55. The bottom of the auxiliary frame 52 is provided with a plurality of teeth 56 opposite to the tooth grooves 55.
[0043] One side of the track 2 is fixedly connected with a guide sleeve 57. The inner wall of the pressing plate 41 is fixedly connected with a guide column 58. The guide column 58 is slidingly connected with the guide sleeve 57.
[0044] The teeth 56 are in a strip shape and are parallelly distributed with the tooth grooves 55.
[0045] The two sides of the pressing frame 1 are provided with a bandage 9 and a bandage 10. The bandage 9 and the bandage 10 are fixedly connected with the pressing frame 1. One side of the bandage 9 is provided with a magic tape hook surface and a hair surface. One end of the bandage 10 is provided with a buckle 11 fixedly connected with the bandage 10.
[0046] The moving frame 6 comprises sliding parts 61 slidingly connected with the track 2. The two sliding parts 61 are provided with an installation part 62 connected with the sliding parts 61 by a sleeve 63 and a sleeve rod 64. The sleeve 63 is fixedly connected with the installation part 62. The sleeve rod 64 is fixedly connected with the sliding parts 61.
[0047] The locking mechanism 7 comprises a hand holder 71 mounted in the mounting portion 62, the inside of the hand holder 71 is provided with a lifting frame 72, the hand holder 71 is fixedly connected with the mounting portion 62, the lifting frame 72 is slidingly connected with the hand holder 71, a spring five 73 is arranged between the lifting frame 72 and the mounting portion 62, the two ends of the spring five 73 are fixedly connected with the lifting frame 72 and the mounting portion 62 respectively, a rotating pin 74 is rotatably connected in the inside of the lifting frame 72, a plurality of rubber blocks 75 are fixedly connected to the outside of the rotating pin 74, a rotating groove is formed in the surface of the lifting frame 72 for the rotation of the rubber blocks 75, a plurality of recesses 76 are formed in the inside of the hand holder 71 and are centrally symmetrically distributed, and the rubber blocks 75 are clamped in the recesses 76 after being rotated.
[0048] In the implementation of the above embodiment, first, the medical staff lifts the auxiliary frame 52, the auxiliary frame 52 extrudes the spring four 54, the tooth 56 at the bottom of the auxiliary frame 52 is separated from the tooth groove 55, and the two auxiliary frames 52 move to the two sides, thereby driving the two tracks 2 to move to the two sides, until the width of the skin for the patient to use is adjusted to be appropriate, the auxiliary frame 52 is loosened, the spring four 54 rebounds, the tooth 56 at the bottom of the auxiliary frame 52 is clamped into the tooth groove 55 of the pressing plate 41, and the sleeve 63 slides relative to the sleeve rod 64, and then the pressing frames 1 on the two sides are placed on the surface of the skin of the patient, and are placed in the length direction of the body trunk or in the length direction of the leg, the two bands one 9 are respectively threaded through the buckle ring 11, and then the two bands one 9 are pulled, folded and attached, and the hook surface of the magic tape is attached to the wool surface of the magic tape. In the process of tightening the band one 9, the pressing plate 41 is extruded by the extrusion force of the pressing frame 1, the pressing plate 41 rises, the spring one 42 is extruded, the pressing plate 41 contacts the inclined surface of the guide plate, the two pressing plates 41 move away from each other, thereby the skin at the bottom of the pressing plate 41 is pulled outward, so as to be tightened along the length direction of the track 2, and at the same time, the pressing plate 41 pushes the auxiliary frame 52 to rise, the tooth 56 at the bottom of the auxiliary frame 52 is clamped in the tooth groove 55 of the pressing plate 41, the auxiliary frame 52 cannot be positioned in the width direction, the auxiliary frame 52 extrudes the track 2, the two tracks 2 move away from each other, thereby the skin is tightened in the other direction, thereby it is more convenient for the medical staff to take skin on the surface of the skin, after the skin is stretched, the medical staff presses the lifting frame 72 downward, so that the blade 3 is extruded on the surface of the skin of the patient, the medical staff cuts the skin first, after moving 1-2 CM, the thickness of the skin is observed, if the thickness is appropriate, the rotating pin 74 is directly rotated, the rubber block 75 driven by the rotating pin 74 is directly inserted into the recess 76 of the hand holder 71, thereby the blade 3 is positioned relative to the hand holder 71, and the medical staff only needs to push the hand holder 71 to slide on the track 2, so as to cut the skin which is more uniform.
[0049] The pressing plate 41, the auxiliary frame 52 and the track 2 are mounted in the pressing frame 1 by the spring 1 42, the spring 2 44, the spring 3 53 and the spring 4 54, the stability of the device is maintained, and the medical staff is convenient to carry and use.
[0050] According to the above-mentioned embodiment, embodiment two,
[0051] The plurality of teeth 56 are arranged in a matrix, each tooth 56 can be inserted into the corresponding tooth groove 55, at this time the auxiliary frame 52 can still be limited relative to the pressing plate 41 after rotating a certain angle, the auxiliary frame 52 on both sides can be adjusted to different angles, so that the track 2 is at different angles, and then the skin can be cut into a trapezoidal shape, which is more convenient to take the skin with appropriate size and shape, and reduces the damage to the patient's skin taking position.
[0052] According to the above-mentioned embodiment, embodiment three,
[0053] One side of the mounting portion 62 is provided with a smearing mechanism 8, the smearing mechanism 8 includes a cylinder body 81 fixedly connected to one side of the mounting portion 62, the bottom of the cylinder body 81 is provided with a discharge port, the inside of the cylinder body 81 is provided with a piston 82, the piston 82 is in sliding connection with the cylinder body 81, the top of the piston 82 is fixedly connected with a screw rod 83, the two sides of the screw rod 83 are provided with two guide rods 84, the guide rods 84 are fixedly connected with the piston 82, the guide rods 84 are in sliding connection with the cylinder body 81, the outside of the screw rod 83 is provided with a threaded cylinder 85, the threaded cylinder 85 is in threaded connection with the screw rod 83, and the threaded cylinder 85 is in rotary connection with the cylinder body 81.
[0054] The outside of the threaded cylinder 85 is provided with a pulley 1 86, one side of the sliding portion 61 is rotatably connected with a pulley 2 87, the bottom of the pulley 2 87 is coaxially fixedly connected with a squeezing wheel 88, the squeezing wheel 88 is in surface contact with the track 2, the pulley 1 86 and the pulley 2 87 are in transmission connection through a belt 89, the bottom of each of the two sliding portions 61 is provided with a scraper 1 12 and a scraper 2 13, the scraper 1 12 and the scraper 2 13 are in sliding connection, and the scraper 1 12 and the scraper 2 13 are respectively fixedly connected with the corresponding sliding portion 61. When the medical staff pushes the handheld frame 71, at this time the squeezing wheel 88 is rotated after being scraped by the track 2, the squeezing wheel 88 drives the pulley 2 87 to rotate, the pulley 2 87 drives the pulley 1 86 to rotate through the belt 89, the pulley 1 86 drives the threaded cylinder 85 to rotate, the threaded cylinder 85 drives the screw rod 83 to separate from the threaded cylinder 85 when rotating, the screw rod 83 descends, the piston 82 synchronously descends, the piston 82 extrudes the dressing in the cylinder body 81, and then the subsequent scraper 1 12 and the scraper 2 13 directly scrape the dressing on the skin surface of the patient after taking skin, so that the skin after taking skin is exposed to the air for a short time, the possibility of infection is reduced, and the recovery of the patient's skin taking position is facilitated.
[0055] Meanwhile, when the width or angle is adjusted, the length of the first scraper 12 and the second scraper 13 changes synchronously, one side of the belt 89 is provided with a tension pulley 14, the tension pulley 14 is connected to the sliding part 61 through a spring 15, the extrusion wheel 88 is a hollow wheel, air can be introduced into the extrusion wheel 88, a photoelectric sensor 16 is arranged between the two tracks 2, when the distance between the two tracks 2 changes, the distance of the photoelectric sensor 16 also changes, the air in the extrusion wheel 88 is extruded, the amount of extruded dressing can be controlled according to the width of the incision, and the device is more intelligent, which is convenient for medical staff to use.
[0056] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0057] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.
Claims
1. A medical dermatome that is easy to operate, characterized by: Include: Press frame (1), two press frames (1) are provided with two tracks (2) between the two press frames (1); The opening mechanism (4) is installed between the two press frames (1), and the opening mechanism (4) makes the patient's skin tight when the press frame (1) presses the skin surface; The moving frame (6) is installed between the two tracks (2), and the bottom of the moving frame (6) is provided with a blade (3); The locking mechanism (7) is installed between the moving frame (6) and the blade (3), and the locking mechanism (7) locks the blade (3) after the blade (3) is lifted; The opening mechanism (4) includes a pressing plate (41) installed inside the press frame (1), the top of the pressing plate (41) is abutted on the inner wall of the press frame (1) through the spring (42), the inside of the press frame (1) is provided with a guide block (43) guiding the pressing plate (41), and the two sides of the pressing plate (41) are provided with spring (44), the spring (44) supports the pressing plate (41) in the press frame (1).
2. The medical skin harvesting system of claim 1, wherein: The track (2) and the press frame (1) are provided with auxiliary mechanism (5), the auxiliary mechanism (5) includes rubber strip (51) installed at the bottom of track (2), the side of track (2) is provided with auxiliary frame (52), the track (2) and auxiliary frame (52) are connected through spring (53), the top of auxiliary frame (52) is provided with spring (54) supported on the inner wall of press frame (1), the top of pressing plate (41) is provided with a plurality of tooth groove (55), the bottom of auxiliary frame (52) is provided with a plurality of teeth (56) opposite to tooth groove (55).
3. The medical skin harvesting system of claim 2, wherein: One side of the track (2) is fixedly connected with a guide sleeve (57), and the inner wall of the pressing plate (41) is fixedly connected with a guide column (58), and the guide column (58) and the guide sleeve (57) are in sliding connection.
4. The medical skin harvesting system of claim 2, wherein: The teeth (56) are long strip-shaped, and the teeth (56) are distributed in parallel with the tooth grooves (55).
5. The medical skin harvesting system of claim 2, wherein: The teeth (56) are provided with a plurality of teeth (56), and the plurality of teeth (56) are distributed in matrix, and each tooth (56) can be inserted into the corresponding tooth groove (55).
6. The medical skin harvesting system of claim 1, wherein: The two sides of the press frame (1) are provided with a bandage (9) and a bandage (10), one side of the bandage (9) is provided with a magic tape hook face and a hair face, and one end of the bandage (10) is provided with a buckle (11).
7. The medical skin harvesting system of claim 1, wherein: The moving frame (6) includes a sliding part (61) connected with the track (2), two sliding parts (61) are provided with an installation part (62), and the installation part (62) is connected with the sliding part (61) through the sleeve (63) and the sleeve rod (64).
8. The medical skin harvesting system of claim 7, wherein: The locking mechanism (7) includes a hand support (71) mounted in the mounting portion (62), the inside of the hand support (71) is provided with a lifting frame (72), the hand support (71) is fixedly connected with the mounting portion (62), the lifting frame (72) is slidingly connected with the hand support (71), the spring five (73) is arranged between the lifting frame (72) and the mounting portion (62), the inside of the lifting frame (72) is rotatably connected with a rotating pin (74), the outside of the rotating pin (74) is provided with a plurality of rubber blocks (75), the surface of the lifting frame (72) is provided with rotating grooves for the rotation of the rubber blocks (75), the inside of the hand support (71) is provided with a plurality of recesses (76) which are centrally symmetrically distributed, and the rubber blocks (75) are clamped in the recesses (76) after being rotated.
9. The medical skin harvesting system of claim 8, wherein: One side of the mounting portion (62) is provided with a smearing mechanism (8), the smearing mechanism (8) includes a cylinder (81) fixedly connected on one side of the mounting portion (62), the bottom of the cylinder (81) is provided with a discharge port, the inside of the cylinder (81) is provided with a piston (82), the top of the piston (82) is fixedly connected with a screw rod (83), the two sides of the screw rod (83) are provided with two guide rods (84), the outside of the screw rod (83) is provided with a threaded cylinder (85), the threaded cylinder (85) is threadedly connected with the screw rod (83), and the threaded cylinder (85) is rotatably connected with the cylinder (81).
Citation Information
Patent Citations
Skin remover capable of controlling skin removing thickness
CN106725750A
External member for fast adjusting opening and closing angle and width of dermatotome
CN110063773A