CN108744093B - Multi-angle adjustable closed negative pressure drainage device - Google Patents
Multi-angle adjustable closed negative pressure drainage device Download PDFInfo
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- CN108744093B CN108744093B CN201810953755.1A CN201810953755A CN108744093B CN 108744093 B CN108744093 B CN 108744093B CN 201810953755 A CN201810953755 A CN 201810953755A CN 108744093 B CN108744093 B CN 108744093B
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- Prior art keywords
- drainage tube
- cutter
- negative pressure
- ball head
- cavity
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- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000007906 compression Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 description 10
- 206010052428 Wound Diseases 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 206010063560 Excessive granulation tissue Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- 206010048038 Wound infection Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 210000001126 granulation tissue Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000008728 vascular permeability Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/90—Negative pressure wound therapy devices, i.e. devices for applying suction to a wound to promote healing, e.g. including a vacuum dressing
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- A61F13/05—
Abstract
A multi-angle adjustable closed negative pressure drainage device belongs to the technical field of medical appliances and comprises a dressing, a drainage tube, an air bag, a semipermeable membrane, an air inlet pipe, a flow regulator, a drainage tube regulating assembly, a gas-liquid conveying assembly and a self-destruction assembly; the drainage tube adjusting assembly comprises a universal ball head, a head seat, a first clamping assembly and a second clamping assembly. According to the multi-angle adjustable closed negative pressure drainage device, the first clamping assembly and the second clamping assembly are arranged on the elastic plate, the elastic plate is arranged on the skin of a human body, the ball head seat is fixed through the first clamping assembly and the second clamping assembly, the drainage tube penetrates through the central hole of the universal ball head, the universal ball head can rotate in any direction in the ball head seat to drive the drainage tube to rotate by any angle, after the drainage tube angle is set, the drainage tube adjusting assembly is fixed through the semi-permeable membrane, and the air bag can cover the compression dressing and the drainage tube, so that the drainage tube has good fit and avoids air leakage.
Description
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a multi-angle adjustable closed negative pressure drainage device.
Background
The negative pressure sealing drainage technology (vacuum sealing drainage, VSD for short) is a treatment method for covering or filling wound surface of skin and soft tissue defect by using medical sponge dressing containing drainage tube, sealing the wound surface by using biological semipermeable membrane to make it become a sealed space, finally connecting drainage tube with negative pressure source and promoting wound surface healing by means of controllable negative pressure. Currently, VSD has been widely used in trauma orthopaedics, general surgery, thoracic surgery, urology surgery, burn department, etc., and various advantages thereof have been widely recognized: the drainage system has the advantages that the drainage system can drain liquid, pus and shed necrotic tissue in a drained area in time and thoroughly; the bacterial proliferation is inhibited, and wound infection is controlled; the edema is relieved, and the vascular permeability is reduced; the wound blood supply is increased, the microcirculation is improved, and the growth of granulation tissues is promoted; the dressing change is not needed frequently, so that the labor of medical staff is reduced, and the pain of dressing change of patients is avoided.
After the sponge dressing and the drainage tube are arranged in the negative pressure closed drainage technology, the sponge dressing and the drainage tube are generally fixed through a biological semipermeable membrane, but due to the structure of a human body structure, the surface is in an arc-shaped or concave-convex structure, and after the drainage tube is fixed, the movement of a patient can cause the deviation of the position of the drainage tube and air leakage along with the increase of time; and along with the increase of the treatment time of the patient, the position of the drainage tube may need to be adjusted, so that the semipermeable membrane needs to be uncovered, and the semipermeable membrane is inevitably contacted with the periphery of the wound, so that the pain of the patient is increased, and when the pain is serious, the wound position of the patient is pulled, and secondary injury may be caused.
Disclosure of Invention
The invention aims to: the invention aims to provide a multi-angle adjustable closed negative pressure drainage device, which solves the problems of drainage tube position deviation and drainage tube position adjustment in closed negative pressure drainage technology.
The technical scheme is as follows: the invention provides a multi-angle adjustable closed negative pressure drainage device which comprises a dressing, a drainage tube, an air bag, a semipermeable membrane, an air inlet tube, a flow regulator, a drainage tube regulating assembly, a gas-liquid conveying assembly and a self-destruction assembly, wherein one end of the drainage tube is arranged in the dressing, the other end of the drainage tube is connected with a negative pressure suction device, the air bag is covered above the dressing, the semipermeable membrane is covered above the air bag, the semipermeable membrane can be adhered to the skin of a human body, one end of the air inlet tube is connected with the air bag, the other end of the air inlet tube is connected with an air charging device, the flow regulators are arranged on the drainage tube and the air inlet tube, the drainage tube regulating assembly is arranged on the drainage tube, the gas-liquid conveying assembly is arranged on the drainage tube and the air inlet tube, and the self-destruction assembly is arranged on the flow regulator; the drainage tube adjusting assembly comprises a universal ball head, a ball head seat, a first clamping assembly and a second clamping assembly, wherein the first clamping assembly and the second clamping assembly are symmetrically arranged on two sides of the ball head seat, the universal ball head is arranged in the ball head seat, the universal ball head can rotate in the ball head seat, the universal ball head is sleeved on the outer wall of the drainage tube, and the inner wall of the universal ball head is in interference fit with the outer wall of the drainage tube. According to the multi-angle adjustable closed negative pressure drainage device, the first clamping assembly and the second clamping assembly are arranged on the elastic plate, the elastic plate is arranged on the skin of a human body, the ball head seat is fixed through the first clamping assembly and the second clamping assembly, the drainage tube penetrates through the central hole of the universal ball head, the universal ball head can rotate in any direction in the ball head seat to drive the drainage tube to rotate by any angle, after the drainage tube angle is set, the drainage tube adjusting assembly is fixed through the semi-permeable membrane, and the air bag can cover the compression dressing and the drainage tube, so that the drainage tube has good fit and avoids air leakage.
Further, the multi-angle adjustable closed negative pressure drainage device comprises a first support, a second support, a handle, a screw rod and a clamping plate, wherein the screw rod sequentially penetrates through the first support and the second support, the screw rod is in threaded connection with the first support and the second support, the handle is arranged at the end part of the screw rod far away from the ball seat, and the clamping plate is arranged at the end part of the screw rod close to the ball seat. The handle is rotated, and the adjustable screw is positioned at the first support and the second support, so that the distance between the two clamping plates is adjusted, and the ball seat can be opened or fixed.
Further, in the multi-angle adjustable closed negative pressure drainage device, the section of the clamping plate is arc-shaped, and the side wall of the clamping plate is provided with a semicircular groove. The semicircular cross-section groove is arranged, so that the drainage tube can conveniently penetrate through the clamping plate, and meanwhile, the cross-section area of the groove is far larger than that of the drainage tube, so that the angle of the drainage tube can be flexibly adjusted.
Further, the multi-angle adjustable closed negative pressure drainage device, the gas-liquid conveying assembly comprises an outer shell, a partition plate, a first cavity, a second cavity, a first sliding block, a first sliding rod, a second sliding block and a second sliding rod, wherein the partition plate is arranged at the middle position in the outer shell, the inner part of the outer shell is divided into the first cavity and the second cavity, the first sliding block is arranged in the first cavity, one end of the first sliding rod is arranged in the first cavity and connected with the first sliding block, the other end of the first sliding rod is arranged outside the outer shell, one end of the second sliding rod is arranged in the second cavity and connected with the second sliding block, the other end of the second sliding rod is arranged outside the outer shell, and the first sliding block and the second sliding block can respectively move in the first cavity and the second cavity. The position of the sliding block in the cavity can be adjusted to adjust the flow of liquid or gas, and the liquid and gas can be conveniently conveyed and separated through the two cavities formed by the partition plates.
Further, in the multi-angle adjustable closed negative pressure drainage device, a liquid inlet and a liquid outlet are formed in one side of the outer shell body, which is located on the first cavity, the liquid inlet is connected with the negative pressure suction device through a guide pipe, and the liquid outlet is connected with one end of the drainage tube; the shell body is located one side of second cavity and is equipped with air inlet and gas outlet, the air inlet passes through the trachea and is connected with aerating device, the gas outlet is connected with the one end of intake pipe. The liquid inlet and the liquid outlet, the air inlet and the air outlet are correspondingly arranged up and down, the cross-section structures are the same, and in the moving process of the sliding block, the liquid inlet and the liquid outlet, the air inlet and the air outlet can be kept to be the same in size, so that the stability of conveying liquid or gas is ensured.
Furthermore, the multi-angle adjustable closed negative pressure drainage device is characterized in that the drainage tube and the air inlet tube are respectively provided with a switch valve. The switching valve can be opened or closed, so that the liquid or gas delivery can be conducted or cut off.
Further, in the multi-angle adjustable closed negative pressure drainage device, a group of working indicator lamps are arranged on the surface of the outer shell. The indicator lamp can indicate the working state of the gas-liquid conveying assembly, red indicates that the gas-liquid conveying assembly is in a cut-off state, green indicates that the gas-liquid conveying assembly is in a normal conduction conveying state, and yellow indicates that the flow of liquid or gas is in a low state.
Further, the multi-angle adjustable closed negative pressure drainage device, the self-destruction assembly comprises a spring, a cutter, a spring placing groove, a baffle and a cutter clamping groove, wherein the spring placing groove is formed in the inner wall of the flow regulator, one end of the spring is arranged in the spring placing groove, the other end of the spring is connected with the cutter, the baffle is arranged on the shell of the flow regulator, one end of the cutter is arranged on the baffle, the cutter clamping groove is formed in the inner wall of the flow regulator, the cutter clamping groove and the cutter are positioned at the same horizontal position, and the cutter can be clamped into the cutter clamping groove. The self-destruction component can destroy the device after the sealed negative pressure drainage device is disassembled, so that secondary use is avoided, medical staff only needs to pull out the baffle, the cutter presses the drainage tube or the air suction tube under the reset action of the strong spring, the drainage tube or the air suction tube is punctured, the cutter is arranged in the cutter clamping groove, and the medical staff can pull the drainage tube or the air suction tube to enlarge the incision of the drainage tube or the air suction tube.
Further, the above-mentioned multi-angle adjustable closed negative pressure drainage device, be equipped with first buckle and second buckle on the outer wall of flow regulator, first buckle and second buckle symmetry set up, flow regulator is in the shell department between first buckle and the second buckle and is equipped with the through-hole, in the baffle can insert the through-hole, the baffle sets up the tip outside flow regulator and is equipped with first trip and second trip, first trip and first buckle block, second trip and second buckle block, first trip and second trip symmetry set up the both sides at the baffle. The first buckle and the second buckle are clamped into the first clamping hook and the second clamping hook, so that the baffle is fixed on the outer wall of the flow regulator, and falling is prevented.
Further, the multi-angle adjustable closed negative pressure drainage device is characterized in that the section of the cutter is trapezoid, a first cutting edge is arranged on the side edge, close to the baffle, of the cutter, a second cutting edge is further arranged on the cutter, and the second cutting edge is arranged on the side edge, perpendicular to the baffle, of the cutter. The structure of the three sides provided with the cutting edges is mainly used for penetrating the cutter into the drainage tube or the air suction tube, and the arranged second cutting edges can cut and amplify the damaged notch of the drainage tube or the air suction tube by pulling the drainage tube or the air suction tube.
The technical scheme can be seen that the invention has the following beneficial effects: the multi-angle adjustable closed negative pressure drainage device has reasonable structural design, convenient use, low application cost and good adaptability, the drainage tube and human body structure can be adjusted at multiple angles through the universal ball head structure, the adaptability of the drainage tube and the human body structure is improved, the gas-liquid conveying assembly is combined, the liquid or gas flow is conveniently controlled, the self-destruction structure is specially arranged for preventing the device from being reused, the drainage tube or the air suction tube can be used for ensuring the use safety of medical instruments, and meanwhile, the drainage tube and auxiliary materials can be pressed on a wound by the aid of the arranged air bag, so that air leakage is prevented.
Drawings
FIG. 1 is a schematic structural view of a multi-angle adjustable closed negative pressure drainage device according to the present invention;
FIG. 2 is a schematic view of the structure of the drainage tube adjusting assembly of the present invention;
FIG. 3 is a schematic view of a gas-liquid delivery assembly according to the present invention;
FIG. 4 is a schematic view of the self-destructing assembly of the present disclosure;
fig. 5 is a schematic diagram of the external structure of the self-destruction module according to the present invention.
In the figure: dressing 1, drainage tube 2, switching valve 21, gasbag 3, semipermeable membrane 4, intake pipe 5, flow regulator 6, first buckle 61, second buckle 62, through-hole 63, drainage tube adjusting component 7, universal bulb 71, bulb seat 72, first chucking component 73, first support 731, second support 732, handle 733, screw 734, chucking plate 735, recess 736, second chucking component 74, gas-liquid delivery component 8, outer housing 81, work indicator 811, division plate 82, first cavity 83, liquid inlet 831, liquid outlet 832, second cavity 84, air inlet 841, air outlet 842, first slider 85, first pull rod 86, second slider 87, second pull rod 88, self-destructing component 9, spring 91, cutter 92, first blade 921, second blade 922, spring holding groove 93, baffle 94, first hook 941, second hook 942, cutter holding groove 95, negative pressure suction device 10, and inflation device 20.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
The multi-angle adjustable closed negative pressure drainage device shown in fig. 1 and 2 comprises a dressing 1, a drainage tube 2, an air bag 3, a semipermeable membrane 4, an air inlet tube 5, a flow regulator 6, a drainage tube regulating component 7, a gas-liquid conveying component 8 and a self-destruction component 9, wherein one end of the drainage tube 2 is arranged in the dressing 1, the other end of the drainage tube 2 is connected with a negative pressure suction device 10, the air bag 3 is covered above the dressing 1, the semipermeable membrane 4 is covered above the air bag 3, the semipermeable membrane 4 can be adhered to the skin of a human body, one end of the air inlet tube 5 is connected with the air bag 3, the other end of the air inlet tube 5 is connected with an air charging device 20, the drainage tube 2 and the air inlet tube 5 are respectively provided with the flow regulator 6, the drainage tube regulating component 7 is arranged on the drainage tube 2, the gas-liquid conveying component 8 is arranged on the drainage tube 2 and the air inlet tube 5, the self-destruction component 9 is arranged on the flow regulator 6, the end of the drainage tube 2, which is inserted into the dressing 1 can be provided with a silver ion layer, the effect of sterilization can be achieved, and the drainage tube 2 and the air inlet tube 5 are respectively provided with a switch valve 21; wherein, flow tube adjusting part 7 includes universal bulb 71, bulb seat 72, first chucking subassembly 73 and second chucking subassembly 74 symmetry set up in the both sides of bulb seat 72, universal bulb 71 sets up in bulb seat 72 to universal bulb 71 can rotate in bulb seat 72, universal bulb 71 cover is established on the outer wall of drainage tube 2, and the inner wall of universal bulb 71 and the outer wall interference fit of drainage tube 2. The first clamping assembly 73 and the second clamping assembly 74 comprise a first support 731, a second support 732, a handle 733, a screw 734 and a clamping plate 735, wherein the screw 734 sequentially penetrates through the first support 731 and the second support 732, the screw 734 is in threaded connection with the first support 731 and the second support 732, the handle 733 is arranged at the end of the screw 734 far away from the ball seat 72, and the clamping plate 735 is arranged at the end of the screw 734 near the ball seat 72. The cross section of chucking plate 735 is arc, be equipped with semicircular recess 736 on the lateral wall of chucking plate 735. The above-described structure of the universal ball head 71 and the ball head seat 72 may employ a knuckle bearing.
The gas-liquid transporting assembly 8 as shown in fig. 3 includes an outer case 81, a partition plate 82, a first cavity 83, a second cavity 84, a first slider 85, a first pull rod 86, a second slider 87, and a second pull rod 88, the partition plate 82 is disposed at an intermediate position within the outer case 81, and divides the inside of the outer case 81 into the first cavity 83 and the second cavity 84, the first slider 85 is disposed within the first cavity 83, one end of the first pull rod 86 is disposed within the first cavity 83 to be connected with the first slider 85, and the other end of the first pull rod 86 is disposed outside the outer case 81, one end of the second pull rod 88 is disposed within the second cavity 84 to be connected with the second slider 87, and the other end of the second pull rod 88 is disposed outside the outer case 81, and the first slider 85 and the second slider 87 are movable within the first cavity 83 and the second cavity 84, respectively. The outer shell 81 is provided with a liquid inlet 831 and a liquid outlet 832 at one side of the first cavity 83, the liquid inlet 831 is connected with the negative pressure suction device 10 through a catheter, and the liquid outlet 832 is connected with one end of the drainage tube 2; the outer housing 81 is provided with an air inlet 841 and an air outlet 842 at one side of the second cavity 84, the air inlet 841 is connected with the inflator 20 through an air pipe, and the air outlet 842 is connected with one end of the air inlet pipe 5. The surface of the outer housing 81 is provided with a set of operating indicator lights 811. Two groups of working indicator lamps are arranged on two sides of the upper edge of the outer wall of the outer shell 81 and respectively indicate the working states in the first cavity 83 and the second cavity 84, so that visual inspection is facilitated.
The self-destroying assembly 9 shown in fig. 4 and 5 comprises a spring 91, a cutter 92, a spring placing groove 93, a baffle 94 and a cutter clamping groove 95, wherein the spring placing groove 93 is arranged on the inner wall of the flow regulator 6, one end of the spring 91 is arranged in the spring placing groove 93, the other end of the spring 91 is connected with the cutter 92, the baffle 94 is arranged on the shell of the flow regulator 6, one end of the cutter 92 is arranged on the baffle 94, the cutter clamping groove 95 is arranged on the inner wall of the flow regulator 6, the cutter clamping groove 95 and the cutter 92 are positioned at the same horizontal position, and the cutter 92 can be clamped into the cutter clamping groove 95. Be equipped with first buckle 61 and second buckle 62 on the outer wall of flow regulator 6, first buckle 61 and second buckle 62 symmetry set up, flow regulator 6 is in the shell department between first buckle 61 and the second buckle 62 and is equipped with through-hole 63, baffle 94 can insert in the through-hole 63, the outer tip of flow regulator 6 is equipped with first trip 941 and second trip 942 to baffle 94 setting, first trip 941 and first buckle 61 block, second trip 942 and second buckle 62 block, first trip 941 and second trip 942 symmetry set up the both sides at baffle 94. The section of cutter 92 is trapezoidal, the side that cutter 92 is close to baffle 94 is equipped with first cutting edge 921, still be equipped with the second cutting edge 922 on the cutter 92, the second cutting edge 922 sets up the side that cutter 92 and baffle 94 are perpendicular.
Based on the above-mentioned structure, the multi-angle adjustable closed negative pressure drainage device of this application's theory of operation does:
1) Placing the dressing 1 in a wound, and inserting the drainage tube 2 into the dressing 1;
2) Covering the dressing 1 and the drainage tube 2 with the air bag 3;
3) The elastic bottom plate of the drainage tube adjusting assembly 7 is stuck to a proper position near a wound, and the drainage tube adjusting assembly 7 is placed close to the air bag 3, so that the air bag 3 covers the drainage tube 2 between the drainage tube adjusting assembly 7 and the dressing 1;
4) The drainage tube 2 passes through the middle through hole of the universal ball head 71, and the direction of the universal ball head 71 in the ball head seat 72 is adjusted;
5) Covering the dressing 1, the balloon 3 and the drainage tube adjusting assembly 7 with a semipermeable membrane 4;
6) When the direction or the position of the drainage tube 2 is required to be adjusted, only one side of the semipermeable membrane 4 is required to be opened, the semipermeable membrane 4 is separated from the drainage tube 2, the depth of the drainage tube 2 inserted into the dressing 1 can be adjusted by pulling the drainage tube 2, and the direction of the drainage tube 2 can be adjusted by rotating the universal ball head 71.
After the closed negative pressure drainage device is removed, the first buckle 61 and the second buckle 62 are opened, the baffle 94 is pulled out, the spring 91 is reset, the cutter 92 punctures the drainage tube 2 or the air inlet pipe 5, the cutter 92 is inserted into the cutter clamping groove 95, the drainage tube 2 or the air inlet pipe 5 is pulled, the drainage tube 2 or the air inlet pipe 5 is continuously cut through the second blade 922 of the cutter 92, and self-destruction of the closed negative pressure drainage device is completed.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (8)
1. The utility model provides a closed negative pressure drainage device of multi-angle adjustable which characterized in that: including dressing (1), drainage tube (2), gasbag (3), semi-permeable membrane (4), intake pipe (5), flow regulator (6), drainage tube regulation subassembly (7), gas-liquid delivery subassembly (8) and self-destruction subassembly (9), the one end of drainage tube (2) sets up in dressing (1) to the other end and negative pressure suction device (10) of drainage tube (2) are connected, gasbag (3) cover in dressing (1) top, semi-permeable membrane (4) cover in gasbag (3) top to semi-permeable membrane (4) can paste on human skin, the one end of intake pipe (5) is connected with gasbag (3) to the other end and the inflatable device (20) of intake pipe (5) are connected, all be equipped with flow regulator (6) on drainage tube (2) and intake pipe (5), drainage tube regulation subassembly (7) set up on drainage tube (2), gas-liquid delivery subassembly (8) set up on drainage tube (2) and intake pipe (5), self-destruction subassembly (9) set up on flow regulator (6). The drainage tube adjusting assembly (7) comprises a universal ball head (71), a ball head seat (72), a first clamping assembly (73) and a second clamping assembly (74), wherein the first clamping assembly (73) and the second clamping assembly (74) are symmetrically arranged on two sides of the ball head seat (72), the universal ball head (71) is arranged in the ball head seat (72), the universal ball head (71) can rotate in the ball head seat (72), the universal ball head (71) is sleeved on the outer wall of the drainage tube (2), and the inner wall of the universal ball head (71) is in interference fit with the outer wall of the drainage tube (2);
the first clamping assembly (73) and the second clamping assembly (74) comprise a first support (731), a second support (732), a handle (733), a screw (734) and a clamping plate (735), the screw (734) sequentially penetrates through the first support (731) and the second support (732), the screw (734) is in threaded connection with the first support (731) and the second support (732), the handle (733) is arranged at the end part of the screw (734) far away from the ball seat (72), and the clamping plate (735) is arranged at the end part of the screw (734) close to the ball seat (72);
the gas-liquid conveying assembly (8) comprises an outer shell (81), a partition plate (82), a first cavity (83), a second cavity (84), a first sliding block (85), a first pull rod (86), a second sliding block (87) and a second pull rod (88), wherein the partition plate (82) is arranged at the middle position in the outer shell (81), the inner part of the outer shell (81) is divided into the first cavity (83) and the second cavity (84), the first sliding block (85) is arranged in the first cavity (83), one end of the first pull rod (86) is connected with the first sliding block (85) in the first cavity (83), the other end of the first pull rod (86) is arranged outside the outer shell (81), one end of the second pull rod (88) is arranged in the second cavity (84) and is connected with the second sliding block (87), the other end of the second pull rod (88) is arranged outside the outer shell (81), and the first sliding block (85) and the second sliding block (84) can move in the first cavity (83) and the second cavity (84) respectively.
2. The multi-angle adjustable closed negative pressure drainage device according to claim 1, wherein: the cross section of chucking plate (735) is the arc, be equipped with semicircular recess (736) on the lateral wall of chucking plate (735).
3. The multi-angle adjustable closed negative pressure drainage device according to claim 1, wherein: the outer shell (81) is provided with a liquid inlet (831) and a liquid outlet (832) at one side of the first cavity (83), the liquid inlet (831) is connected with the negative pressure suction device (10) through a catheter, and the liquid outlet (832) is connected with one end of the drainage tube (2); an air inlet (841) and an air outlet (842) are formed in one side, located on the second cavity (84), of the outer shell (81), the air inlet (841) is connected with the air charging device (20) through an air pipe, and the air outlet (842) is connected with one end of the air inlet pipe (5).
4. The multi-angle adjustable closed negative pressure drainage device according to claim 1, wherein: switch valves (21) are arranged on the drainage tube (2) and the air inlet tube (5).
5. The multi-angle adjustable closed negative pressure drainage device according to claim 1, wherein: a group of working indicator lamps (811) are arranged on the surface of the outer shell (81).
6. The multi-angle adjustable closed negative pressure drainage device according to claim 1, wherein: the self-destruction assembly (9) comprises a spring (91), a cutter (92), a spring placing groove (93), a baffle plate (94) and a cutter clamping groove (95), wherein the spring placing groove (93) is formed in the inner wall of the flow regulator (6), one end of the spring (91) is arranged in the spring placing groove (93), the other end of the spring (91) is connected with the cutter (92), the baffle plate (94) is arranged on the shell of the flow regulator (6), one end of the cutter (92) is arranged on the baffle plate (94), the cutter clamping groove (95) is formed in the inner wall of the flow regulator (6), the cutter clamping groove (95) and the cutter (92) are located at the same horizontal position, and the cutter (92) can be clamped into the cutter clamping groove (95).
7. The multi-angle adjustable closed negative pressure drainage device according to claim 6, wherein: be equipped with first buckle (61) and second buckle (62) on the outer wall of flow regulator (6), first buckle (61) and second buckle (62) symmetry set up, flow regulator (6) are in shell department between first buckle (61) and second buckle (62) and are equipped with through-hole (63), baffle (94) can insert in through-hole (63), baffle (94) set up and are equipped with first trip (941) and second trip (942) at the outer tip of flow regulator (6), first trip (941) and first buckle (61) block, second trip (942) and second buckle (62) block, first trip (941) and second trip (942) symmetry set up the both sides at baffle (94).
8. The multi-angle adjustable closed negative pressure drainage device according to claim 7, wherein: the section of cutter (92) is trapezoidal, the side that cutter (92) is close to baffle (94) is equipped with first cutting edge (921), still be equipped with second cutting edge (922) on cutter (92), second cutting edge (922) set up at the side that cutter (92) and baffle (94) are perpendicular.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953755.1A CN108744093B (en) | 2018-08-21 | 2018-08-21 | Multi-angle adjustable closed negative pressure drainage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810953755.1A CN108744093B (en) | 2018-08-21 | 2018-08-21 | Multi-angle adjustable closed negative pressure drainage device |
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| Publication Number | Publication Date |
|---|---|
| CN108744093A CN108744093A (en) | 2018-11-06 |
| CN108744093B true CN108744093B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810953755.1A Active CN108744093B (en) | 2018-08-21 | 2018-08-21 | Multi-angle adjustable closed negative pressure drainage device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB186698A (en) * | 1921-07-04 | 1922-10-04 | Frank Gilman | Improvements in universal joints for tubes conveying pressure fluid |
| CN1479636A (en) * | 2000-10-12 | 2004-03-03 | �Ƹ��� | Device and method for body fluid flow control in extracorpereal fluid treatment |
| CN206183717U (en) * | 2016-08-23 | 2017-05-24 | 孙彩霞 | High negative pressure enclosing drainage flushing infection prevention apparatus |
| CN107693856A (en) * | 2017-09-15 | 2018-02-16 | 孙永 | A kind of sealed vacuum drainage device for surgical wounds |
| CN209316620U (en) * | 2018-08-21 | 2019-08-30 | 太仓市第一人民医院 | A kind of adjustable disposable closed negative pressure drainage device of multi-angle |
-
2018
- 2018-08-21 CN CN201810953755.1A patent/CN108744093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB186698A (en) * | 1921-07-04 | 1922-10-04 | Frank Gilman | Improvements in universal joints for tubes conveying pressure fluid |
| CN1479636A (en) * | 2000-10-12 | 2004-03-03 | �Ƹ��� | Device and method for body fluid flow control in extracorpereal fluid treatment |
| CN206183717U (en) * | 2016-08-23 | 2017-05-24 | 孙彩霞 | High negative pressure enclosing drainage flushing infection prevention apparatus |
| CN107693856A (en) * | 2017-09-15 | 2018-02-16 | 孙永 | A kind of sealed vacuum drainage device for surgical wounds |
| CN209316620U (en) * | 2018-08-21 | 2019-08-30 | 太仓市第一人民医院 | A kind of adjustable disposable closed negative pressure drainage device of multi-angle |
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| Publication number | Publication date |
|---|---|
| CN108744093A (en) | 2018-11-06 |
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