Medical wound dressing change device

Abstract

The invention discloses a medical wound dressing changing device, and belongs to the technical field of medical instruments, the medical wound dressing changing device comprises an upper transverse plate, a lower transverse plate and a supporting rod for fixing, dressing is applied to a wound through medical gauze, and a dressing soft shell, an injection needle cylinder and a dressing supply assembly are arranged on the upper transverse plate and the lower transverse plate; the bottom end of the lower transverse plate is rotationally provided with a rotating disc, a medicine changing assembly and a stripping assembly. Through cooperative arrangement of the dressing soft shell, the injection needle cylinder, the dressing supply assembly, the rotating disc, the stripping assembly and the dressing change assembly, old medical gauze and dressing are stripped and taken down from the wound surface of a patient through the stripping assembly, and then the rotating disc is rotated to enable the stripping assembly and the dressing change assembly to change positions; the dressing is injected into the medical gauze through the dressing supply assembly, and finally the dressing is uniformly laid in the medical gauze through the dressing change assembly, so that the situation that the wound healing effect is affected due to the fact that the permeability degree of the whole wound is not uniform when the dressing is agglomerated in the past is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, in particular to a medical wound dressing changing device. Background Art

[0002] In the treatment process of traumatic diseases, a very important step is to change the wound dressing, especially for the care of burn patients. Since burn wounds are more prone to inflammation and infection, which in turn leads to the onset of diseases in other parts of the body, the disinfection and dressing care of burn patients also need to be more frequent.

[0003] The existing technology has the following defects: First, during the use of non-woven sealing dressings, the non-woven dressing needs to be torn off the skin when changing the dressing. During the tearing process, the patient's wound is easily torn again, thereby affecting the healing of the wound; Second, the existing wound healing is basically maintained by dressings and bandages. Both dressings and bandages are bound by medical adhesive tape. In the process of tearing off the dressings and bandages for changing the dressings, the tearing of the wound edge by the adhesive tape may also cause secondary damage to the wound; In order to overcome defect one, the existing technology (application number: 202420657119.5, Chinese patent application date 2024-04-02) discloses a medical non-woven sealing device, which cooperates with each other through the positioning belt, the non-woven belt and the medical dressing. By pre-positioning the positioning belt around the patient's wound, it is convenient to fix the non-woven belt with the dressing on its top, so that during the dressing change process, direct contact between the non-woven adhesive tape and the patient's skin is avoided. Tearing facilitates better healing of the patient's wound, solving the above-mentioned defect 1; in order to overcome the second defect, the prior art (application number: 202311747429.2, Chinese patent application date 2023-12-29) discloses a wound care device for dermatology, which cooperates with the wound adhesion component and the dressing component, and exposes the skin wound through the rectangular through hole in the paper-shaped medical tape, so that the hydrogel dressing is adhered to the bottom of the silicone liner in the dressing component and contacts the wound, so as to avoid tearing the wound edge when changing the dressing and directly apply the medicine, solving the above-mentioned defect 2; although the prior art 1 and the prior art 2 can overcome the above-mentioned defects, the existing dressings are usually placed in a separate breathable gauze bag and then pasted on the wound with medical tape. Since the dressing is easy to clump together in the gauze bag, the penetration degree of the dressing into the entire wound is uneven, which in turn affects the wound healing effect.

[0004] In response to the above problems, it is urgent to carry out innovative design based on the original equipment. Therefore, we have proposed a medical wound dressing device that can well solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a medical wound dressing changing device to solve the problem raised in the above background technology that the dressings currently on the market are usually placed in a separate breathable gauze bag and then adhered to the wound with medical tape. However, since the dressings are prone to clump together in the gauze bag, the degree of penetration of the dressing into the entire wound is uneven, which in turn affects the wound healing effect.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a medical wound dressing changing device, comprising: an upper horizontal plate and a lower horizontal plate, and the upper horizontal plate and the lower horizontal plate are fixed by two support rods, and the dressing is applied to the wound through medical gauze; the upper horizontal plate and the lower horizontal plate are provided with a dressing soft shell, an injection syringe and a dressing supply assembly, a turntable is rotatably installed at the bottom end of the lower horizontal plate, and the needle at the bottom end of the injection syringe passes through the lower horizontal plate to the bottom of the turntable, and a dressing changing assembly is provided on the outside of the needle, and a stripping assembly is provided at the bottom of the turntable relative to the other end of the dressing changing assembly; the dressing changing assembly includes a second electric screw installed at the bottom of the turntable, and the outer side of the second electric screw is symmetrically threaded with two sliders, and one end of the slider is fixedly connected to a movable shaft, and the outer side of the movable shaft is rotatably sleeved with a rolling pressure cylinder.

[0007] Preferably, the medical gauze is composed of a non-woven fabric body, an upper sealing layer and an adhesive layer. The upper sealing layer is fixedly sewn to the inner top of the non-woven fabric body, and a circular hole for inserting the injection syringe needle is opened on its top. The adhesive layer is bonded to the bottom of the non-woven fabric body.

[0008] Preferably, the injection syringe is clamped between the upper horizontal plate and the lower horizontal plate, the dressing soft shell is installed on the top of the lower horizontal plate, and the dressing soft shell and the injection syringe are communicated through a connecting tube, and the dressing supply assembly includes a lifting plate fixedly connected to the suction rod on the top of the injection syringe, a first electric screw is installed on the top of the upper horizontal plate, and the lifting plate is threadedly connected to the outside of the rod body of the first electric screw, a pressing piece is fixedly connected to the bottom end of the lifting plate, and the pressing piece slides through between the upper horizontal plate and the lower horizontal plate, and a spring is fixedly connected between the pressing piece and the upper horizontal plate, so that the pressing piece is suspended above the dressing soft shell.

[0009] Preferably, a motor is fixedly installed on the top of the lower horizontal plate, and the bottom output shaft of the motor is fixedly connected to a driving gear, a driven gear is rotatably provided on the bottom end of the lower horizontal plate, and the driven gear is engaged with the driving gear, and a gear ring is fixedly connected to the top of the turntable, and the driven gear is engaged with the inner side of the gear ring.

[0010] Preferably, the driven gear and the gear ring are both rotatably connected to the bottom end of the lower transverse plate through a connecting block fixed at the top, and a semicircular ring groove is provided on the turntable.

[0011] Preferably, the stripping assembly includes a driven screw installed at the bottom end of the turntable, the outer walls of the driven screw and the second electric screw are fixedly connected to sprockets, and the outer sides of the two sprockets are connected to chains for transmission, the outer wall of the driven screw is threadedly connected to a sliding rod, and a scraper is formed at the bottom end of the sliding rod.

[0012] Preferably, the outer wall of the second electric screw is formed with symmetrically distributed bidirectional threads, and the density of the two sections of threads is twice the density of the threads on the outer wall of the driven screw.

[0013] Preferably, both sides of the non-woven fabric body are tilted upward, and the bottom end of the scraping element is tilted downward.

[0014] Preferably, the bottom ends of the two support rods are fixedly connected to a C-shaped lap plate, and the inner side of the lap plate is slidably connected to a pressure plate, the bottom end of the lap plate is threadedly connected to a lifting threaded member, and the lifting threaded member is rotatably connected to the bottom of the pressure plate, and the top inner wall of the lap plate and the top of the pressure plate are both formed with anti-slip strips.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the medical wound dressing changing device, through the coordinated arrangement of the dressing soft shell, the injection syringe, the dressing supply assembly, the turntable, the stripping assembly and the dressing changing assembly, first uses the stripping assembly to strip off the old medical gauze and dressing from the patient's wound, then rotates the turntable to exchange the positions of the stripping assembly and the dressing changing assembly, and uses the dressing supply assembly to inject the dressing into the medical gauze, and finally uses the dressing changing assembly to evenly lay the dressing on the medical gauze, thereby avoiding the situation in which the dressing clumps and the uneven penetration of the entire wound affect the wound healing effect. The specific contents are as follows: 1. When in use, the device is installed on the side of the patient, and the stripping assembly is located above the patient's wound, and then the second electric screw is started, and the transmission of the sprocket and the chain can make the driven screw rotate synchronously, and the driven screw continues to drive the sliding rod and the scraping member to perform translational motion, and when the scraping member translates, the medical gauze can be picked up from the side and slowly stripped along the wound.

[0016] 2. Through the coordinated setting of the motor, driving gear, driven gear and gear ring, when the stripping assembly is used up, the motor starts to drive the driving gear to rotate, the driving gear continues to drive the meshing driven gear to rotate, and the driven gear continues to drive the meshing gear ring to rotate, so that the turntable will rotate synchronously. When the turntable rotates 180°, the motor stops working, and the position of the stripping assembly and the dressing changing assembly is interchanged.

[0017] 3. By setting up a dressing supply assembly, when changing the dressing, the first electric screw is started to drive the lifting plate to descend, and the injection syringe is simultaneously lowered so that the bottom needle is inserted into the upper sealing layer, and the pressing part is simultaneously lowered and squeezes the dressing soft shell downward, so that the dressing enters the injection syringe through the connecting tube, and the suction rod of the injection syringe descends to continue squeezing the dressing downward and finally enter the medical gauze.

[0018] 4. By setting up a dressing change component, the second electric screw rotates to drive the two sliders to move away from each other, and the moving axis moves synchronously and rolls along the surface of the medical gauze, pressing the injected dressing to the inner sides of the medical gauze, so that the dressing is evenly laid in the medical gauze, thereby avoiding the previous situation where the dressing clumps together and the uneven penetration of the entire wound affects the wound healing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of the present invention as a whole; Figure 2 It is a bottom view structural diagram of the present invention as a whole; Figure 3 It is a schematic diagram of the cutaway structure of the present invention; Figure 4 This is a schematic structural diagram of the dressing supply assembly of the present invention; Figure 5 This is a schematic structural diagram of the stripping assembly and the dressing changing assembly of the present invention; Figure 6 This is a schematic diagram of the installation and transmission structure of the turntable of the present invention; Figure 7 This is a schematic structural diagram of the dressing change assembly of the present invention; Figure 8 Schematic diagram of the explosion structure of the medical gauze of the present invention.

[0020] In the figure: 1. Upper horizontal plate; 2. Lower horizontal plate; 3. Support rod; 4. Medical gauze; 401. Non-woven fabric body; 402. Upper sealing layer; 403. Adhesive layer; 5. Dressing soft shell; 6. Injection syringe; 7. Lifting plate; 8. First electric screw; 9. Pressing member; 10. Spring; 11. Turntable; 12. Second electric screw; 13. Driven screw; 14. Sprocket; 15. Chain; 16. Sliding rod; 17. Scraping member; 18. Sliding block; 19. Moving shaft; 20. Rolling pressing cylinder; 21. Motor; 22. Driving gear; 23. Driven gear; 24. Gear ring; 25. Connecting block; 26. Lap plate; 27. Pressing plate; 28. Lifting screw. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figures 1-8 As shown, existing dressings are usually placed in a separate breathable gauze bag and then adhered to the wound surface with medical tape. However, since the dressing easily clumps in the gauze bag, the dressing does not penetrate the entire wound surface uniformly, which in turn affects the wound healing effect. To solve this technical problem, this embodiment discloses the following technical content: An upper horizontal plate 1 and a lower horizontal plate 2 are fixed together by two supporting rods 3, and the dressing is applied to the wound surface through medical gauze 4; a dressing soft shell 5, an injection syringe 6 and a dressing supply assembly are provided on the upper horizontal plate 1 and the lower horizontal plate 2, a turntable 11 is rotatably installed at the bottom end of the lower horizontal plate 2, and the needle at the bottom end of the injection syringe 6 passes through the lower horizontal plate 2 to the bottom of the turntable 11, and a dressing change assembly is provided on the outside of the needle, and a stripping assembly is provided at the bottom of the turntable 11 relative to the other end of the dressing change assembly; the dressing change assembly includes a second electric screw 12 installed at the bottom of the turntable 11, and the outer side of the second electric screw 12 is symmetrically threaded with two sliders 18, and one end of the slider 18 is fixedly connected to a movable shaft 19, and the outer side of the movable shaft 19 is rotatably sleeved with a rolling pressure cylinder 20.

[0023] When in use, the device is installed on the patient's side and the stripping assembly is located above the patient's wound. At this time, the old medical gauze 4 and dressing can be stripped off and removed from the patient's wound through the stripping assembly, and then a new medical gauze 4 can be placed on the patient's wound, and the turntable 11 is rotated to exchange the position of the stripping assembly and the dressing changing assembly, that is, the dressing changing assembly is located on the medical gauze 4. At this time, the dressing feeding assembly operates to transport the dressing in the dressing soft shell 5 to the bottom needle of the injection syringe 6, and the dressing is squeezed into the interior of the medical gauze 4. Then the second electric screw 12 starts to rotate, driving the two sliders 18 to move away from each other, and the moving shaft 19 moves synchronously, so that the moving shaft 19 can roll along the surface of the medical gauze 4 and crush the injected dressing to both sides of the interior of the medical gauze 4, so that the dressing is evenly laid in the medical gauze 4, thereby avoiding the situation in which the dressing clumps into agglomerates and the uneven penetration of the entire wound affects the wound healing effect.

[0024] Among them, the medical gauze 4 is composed of a non-woven fabric body 401, an upper sealing layer 402 and an adhesive layer 403. The upper sealing layer 402 is fixedly sewn to the inner top of the non-woven fabric body 401, and a round hole is opened on its top for inserting the needle of the injection syringe 6. The adhesive layer 403 is bonded to the bottom of the non-woven fabric body 401. When the two rolling rollers 20 roll on the surface of the medical gauze 4, the adhesive layer 403 can be tightly bonded to the skin outside the patient's wound.

[0025] In addition, the bottom ends of the two support rods 3 are fixedly connected with a C-shaped lap plate 26, and the inner side of the lap plate 26 is slidably connected with a pressure plate 27, the bottom end of the lap plate 26 is threadedly connected with a lifting screw member 28, and the lifting screw member 28 is rotatably connected to the bottom of the pressure plate 27, and the top inner wall of the lap plate 26 and the top of the pressure plate 27 are both formed with anti-slip strips. When in use, first clamp the lap plate 26 on the outside of the bed board, and then twist the lifting screw member 28 to make the pressure plate 27 rise until it is tightly pressed against the bottom end of the bed board, and then cooperate with the setting of the protective strip to firmly install the device on the side of the patient's bed.

[0026] Example 2: The technical content disclosed in this example is a further improvement based on the above example 1. Figures 1-8 As shown, this embodiment discloses the following technical contents: The injection syringe 6 is clamped between the upper horizontal plate 1 and the lower horizontal plate 2, the dressing soft shell 5 is installed on the top of the lower horizontal plate 2, and the dressing soft shell 5 and the injection syringe 6 are connected through a connecting tube. The dressing supply assembly includes a lifting plate 7 fixedly connected to the suction rod on the top of the injection syringe 6, a first electric screw 8 is installed on the top of the upper horizontal plate 1, and the lifting plate 7 is threadedly connected to the outside of the rod body of the first electric screw 8, a pressing piece 9 is fixedly connected to the bottom end of the lifting plate 7, and the pressing piece 9 slides through between the upper horizontal plate 1 and the lower horizontal plate 2, and the pressing piece 9 is connected to the upper horizontal plate 1 is fixedly connected with a spring 10, so that the pressing piece 9 is suspended above the dressing soft shell 5. By adopting the above technical solution, when changing the dressing, the first electric screw 8 is started to drive the lifting plate 7 to descend, and the injection syringe 6 is synchronously lowered so that the bottom needle is inserted into the upper sealing layer 402, and the pressing piece 9 is synchronously lowered and squeezes the dressing soft shell 5 downward. The dressing inside the dressing soft shell 5 will enter the interior of the injection syringe 6 through the connecting tube, and the suction rod of the injection syringe 6 will continue to squeeze the dressing downward and finally enter the medical gauze 4.

[0027] The top of the turntable 11 is fixedly provided with a motor 21, and the bottom output shaft of the motor 21 is fixedly connected to the driving gear 22. The bottom end of the lower cross plate 2 is rotatably provided with a driven gear 23, and the driven gear 23 meshes with the driving gear 22. The top of the turntable 11 is fixedly connected with a gear ring 24, and the driven gear 23 meshes with the inner side of the gear ring 24. The driven gear 23 and the gear ring 24 are both rotatably connected to the bottom end of the lower cross plate 2 through the connecting block 25 fixed at the top. When the stripping assembly is used, the motor 21 starts to drive the driving gear 22 to rotate, and the driving gear 22 continues to drive the meshing driven gear 23 to rotate, and the driven gear 23 continues to drive the meshing gear ring 24 to rotate, so that the turntable 11 will rotate synchronously. When the turntable 11 rotates 180°, the motor 21 stops operating, that is, the position of the stripping assembly and the dressing changing assembly is interchanged, and a semicircular ring groove is provided on the turntable 11 to accommodate the bottom needle of the injection syringe 6 when rotating.

[0028] The stripping assembly includes a driven screw 13 installed at the bottom end of the turntable 11, and the outer walls of the driven screw 13 and the second electric screw 12 are fixedly connected to a sprocket 14, and the outer sides of the two sprockets 14 are connected to the chain 15 for transmission. The outer wall of the driven screw 13 is threadedly connected to a slide rod 16, and the bottom end of the slide rod 16 is formed with a scraper 17. By adopting the above technical solution, when the second electric screw 12 is started, the driven screw 13 can be rotated synchronously through the transmission of the sprocket 14 and the chain 15, and the driven screw 13 continues to drive the slide rod 16 and the scraper 17 to perform translational motion, and when the scraper 17 is translated, The medical gauze 4 can be picked up from the side and slowly peeled off along the wound surface, and the two sides of the non-woven fabric main body 401 are tilted upward, and the bottom end of the scraper 17 is tilted downward, so that when the scraper 17 moves, the non-woven fabric main body 401 can be smoothly picked up along the tilted side and peeled off from the skin outside the wound surface. It should be noted that the outer wall of the second electric screw 12 is formed with symmetrically distributed bidirectional threads, and the density of the two sections of threads is twice the density of the threads on the outer wall of the driven screw 13, so as to adapt to the distance difference between the two sliders 18 moving along the second electric screw 12 and the slide rod 16 moving along the driven screw 13.

[0029] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A medical wound dressing changing device, comprising an upper horizontal plate (1) and a lower horizontal plate (2), wherein the upper horizontal plate (1) and the lower horizontal plate (2) are fixed by two support rods (3), and a dressing is applied to the wound by medical gauze (4); It is characterized by: The upper horizontal plate (1) and the lower horizontal plate (2) are provided with a dressing soft shell (5), an injection syringe (6) and a dressing supply assembly, a turntable (11) is rotatably mounted on the bottom end of the lower horizontal plate (2), and the bottom end needle of the injection syringe (6) passes through the lower horizontal plate (2) to the bottom of the turntable (11), and a dressing change assembly is provided on the outside of the needle, and a stripping assembly is provided at the other end of the bottom of the turntable (11) relative to the dressing change assembly; The dressing changing assembly comprises a second electric screw (12) mounted on the bottom of the turntable (11), the outer side of the second electric screw (12) being symmetrically threaded with two sliders (18), one end of the slider (18) being fixedly connected to a moving shaft (19), and the outer side of the moving shaft (19) being rotatably sleeved with a rolling pressing cylinder (20).

2. A medical wound dressing changing device according to claim 1, characterized in that: The medical gauze (4) is composed of a non-woven fabric body (401), an upper sealing layer (402) and an adhesive layer (403). The upper sealing layer (402) is fixedly sewn to the inner top of the non-woven fabric body (401), and a circular hole for inserting the needle of the injection syringe (6) is opened on the top. The adhesive layer (403) is bonded to the bottom of the non-woven fabric body (401) around.

3. A medical wound dressing changing device according to claim 2, characterized in that: The injection syringe (6) is clamped between the upper horizontal plate (1) and the lower horizontal plate (2), the dressing soft shell (5) is installed on the top of the lower horizontal plate (2), and the dressing soft shell (5) and the injection syringe (6) are connected through a connecting tube. The dressing supply assembly includes a lifting plate (7) fixedly connected to the suction rod at the top of the injection syringe (6), a first electric screw (8) is installed at the top of the upper horizontal plate (1), and the lifting plate (7) is threadedly connected to the outside of the rod body of the first electric screw (8), a pressing piece (9) is fixedly connected to the bottom end of the lifting plate (7), and the pressing piece (9) slides through between the upper horizontal plate (1) and the lower horizontal plate (2), and a spring (10) is fixedly connected between the pressing piece (9) and the upper horizontal plate (1), so that the pressing piece (9) is suspended above the dressing soft shell (5).

4. A medical wound dressing changing device according to claim 3, characterized in that: A motor (21) is fixedly mounted on the top of the lower transverse plate (2), and a driving gear (22) is fixedly connected to the bottom output shaft of the motor (21). A driven gear (23) is rotatably provided on the bottom end of the lower transverse plate (2), and the driven gear (23) is meshed with the driving gear (22). A gear ring (24) is fixedly connected to the top of the turntable (11), and the driven gear (23) is meshed with the inner side of the gear ring (24).

5. The medical wound dressing changing device according to claim 4, characterized in that: The driven gear (23) and the gear ring (24) are both rotatably connected to the bottom end of the lower transverse plate (2) via a connecting block (25) fixed at the top, and a semicircular ring groove is provided on the rotating disk (11).

6. The medical wound dressing changing device according to claim 1, characterized in that: The stripping assembly includes a driven screw (13) installed at the bottom end of the turntable (11), the outer walls of the driven screw (13) and the second electric screw (12) are fixedly connected to sprockets (14), and the outer sides of the two sprockets (14) are transmission-connected to chains (15), the outer wall of the driven screw (13) is threadedly connected to a sliding rod (16), and the bottom end of the sliding rod (16) is formed with a scraping member (17).

7. The medical wound dressing changing device according to claim 6, characterized in that: The outer wall of the second electric screw (12) is formed with symmetrically distributed bidirectional threads, and the density of the two sections of threads is twice the density of the threads on the outer wall of the driven screw (13).

8. The medical wound dressing changing device according to claim 6, characterized in that: Both sides of the medical gauze (4) are tilted upward, and the bottom end of the scraping member (17) is tilted downward.

9. The medical wound dressing changing device according to claim 1, characterized in that: The bottom ends of the two support rods (3) are fixedly connected to a C-shaped lap plate (26), and the inner side of the lap plate (26) is slidably connected to a pressure plate (27), the bottom end of the lap plate (26) is threadedly connected to a lifting screw member (28), and the lifting screw member (28) is rotatably connected to the bottom of the pressure plate (27), and the top inner wall of the lap plate (26) and the top of the pressure plate (27) are both formed with anti-slip strips.

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