CN219896213U - Prone position ventilation device - Google Patents
Prone position ventilation device Download PDFInfo
- Publication number
- CN219896213U CN219896213U CN202320942182.9U CN202320942182U CN219896213U CN 219896213 U CN219896213 U CN 219896213U CN 202320942182 U CN202320942182 U CN 202320942182U CN 219896213 U CN219896213 U CN 219896213U
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- waist
- pad
- prone position
- cushion
- supporting
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- 238000009423 ventilation Methods 0.000 title claims abstract description 38
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- 238000005399 mechanical ventilation Methods 0.000 description 2
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- Invalid Beds And Related Equipment (AREA)
Abstract
The utility model discloses a prone position ventilation device which comprises a base cushion, a waist support lifter and a head cushion, wherein the head cushion and the waist support lifter are respectively arranged on the top surface of the base cushion, the waist support lifter comprises support sheets, an adjusting mechanism and a waist cushion, a plurality of support sheets are sequentially arranged from front to back and are all in a bent shape with the middle part protruding upwards, the bending degree of each support sheet is simultaneously adjusted by the adjusting mechanism, and the waist cushion is simultaneously covered on each support sheet. The waist supporting lifter is formed by the supporting sheets, the adjusting mechanism and the waist cushion, the bending degree of the bending supporting sheets which are sequentially arranged from front to back and are respectively protruded upwards in the middle can be adjusted by the adjusting mechanism, and the waist supporting lifter is connected with the base cushion and the head cushion for use, so that the waist height of a patient can be freely adjusted under the condition that the head height of the patient is basically unchanged, and the prone position ventilation requirements of patients with different shapes or illness states can be met.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to the technical field of prone position ventilation devices.
Background
Acute Respiratory Distress Syndrome (ARDS) is a complex clinical condition caused by a variety of injury factors within and outside the lung, such as pneumonia, sepsis and severe trauma. Under the influence of these damaging factors, pulmonary and systemic inflammatory responses are uncontrolled, resulting in changes in alveolar capillary endothelial cells and alveolar epithelial cells and an increase in capillary permeability, which in turn causes massive fluid exudation into the alveoli and the alveolar interstitium to cause pulmonary edema. Mechanical ventilation is one of the important treatments for ARDS. Currently, well-accepted mechanical ventilation means include lung protective ventilation (small tidal volume, high positive end expiratory pressure), lung re-tension, and prone position ventilation.
Prone position (process position), which means that the patient is prone, the two arms are bent to lie on both sides of the head, the two legs are extended backward, and the head is biased to one side. Prone position ventilation has the following pathophysiological effects: 1. the method is characterized by comprising the steps of promoting collapse alveolar re-tension (when ventilation is carried out in a prone position, negative pressure in a chest cavity is gradually reduced from a back side to an ventral side, negative pressure in the chest cavity is increased, cross-lung pressure is increased, and back side alveoli can be promoted to reopen; 2. improving ventilation blood flow ratio (redistribution of blood flow in the lungs in prone position, increase of blood flow in ventral region and decrease of blood flow in dorsal region, simultaneously decrease of ventilation in ventral region and increase of ventilation in dorsal region, ventilation blood flow ratio is markedly improved); 3. improving respiratory compliance (in prone position, the dorsal lung ventilation area changes from gravity-dependent to non-gravity-dependent, increasing compliance. The ventral ventilation area changes from non-gravity-dependent to gravity-dependent, decreasing compliance; but the dorsal ventilation area has a significant decrease in lung compliance than the ventral ventilation area, a more "uniform" alveolar ventilation, an increase in total lung compliance); 4, the sputum drainage is facilitated (the deep sputum is difficult to be effectively drained due to the body position and sedative muscle relaxation medicines of a mechanically ventilated patient, and the sputum drainage is more sufficient due to the gravity in the prone position); 5. promoting circulatory system (prone position ventilation promotes alveolar re-tension, improves oxygenation, thereby reducing pulmonary vascular resistance and reducing right ventricular afterload. Additionally, abdominal pressure increases, blood volume of the heart increases, cardiac preload and left ventricular afterload increase in prone position.
For prone position ventilation operation, due to lack of professional supporting cushions on the market, medical staff usually have to adopt a plurality of common soft pillows to be overlapped and matched for replacement, so that the operation is inconvenient, the risk of soft pillow displacement exists, and further the artificial airway tube falling off can be caused. For this reason, some of those skilled in the art have devised a support device for assisting in ventilation in the prone position, such as a portable intelligent ventilation treatment device for prone position disclosed in the patent publication CN 218515887U. However, such support devices cannot adjust the amplitude of the lifting of the patient's waist according to the actual needs of the patient. In addition, the utility model patent with the publication number of CN213697637U also discloses a groveling pillow device used for ventilation of a severe patient in a prone position. Although the supporting device can realize the lifting function by using inflation and deflation, the waist and the head of a patient can be lifted synchronously, and the waist of the patient cannot be lifted independently.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a prone position ventilation device which can freely adjust the waist height of a patient under the condition that the head height of the patient is basically unchanged, so as to meet the prone position ventilation requirements of patients with different shapes or illness states.
In order to achieve the above purpose, the utility model provides a prone position ventilation device, which comprises a base cushion, a waist supporting lifter and a head cushion, wherein the head cushion and the waist supporting lifter are respectively arranged on the top surface of the base cushion, the waist supporting lifter comprises supporting sheets, an adjusting mechanism and a waist cushion, a plurality of supporting sheets are sequentially arranged from front to back and are all in a bending shape with the middle part protruding upwards, the bending degree of each supporting sheet is simultaneously adjusted by the adjusting mechanism, and the waist cushion is simultaneously covered on each supporting sheet.
Preferably, the top surface of the head pad is provided with a notch, and the side wall of the head pad is also provided with a vent for communicating the notch with the outside.
Preferably, the utility model further comprises a foot pad and a knee pad, wherein the head pad and the waist support lifter, the knee pad and the foot pad are arranged on the top surface of the base pad from left to right.
Preferably, a plurality of limit belts are wound among the waist pad, each supporting sheet and the patient.
Preferably, the adjusting mechanism comprises a shell, a bidirectional telescopic part, a handle and a fastener, wherein the bidirectional telescopic part comprises a mandrel, gears and racks, the mandrel is rotatably connected in an inner cavity of the shell and is arranged in the front-back direction, a plurality of gears are sequentially sleeved outside the mandrel from front to back, the racks which are horizontally arranged in the left-right direction are respectively meshed with the upper part and the lower part of each gear, the racks are respectively connected with the inner wall of the shell in a sliding mode, the racks above and below the same gear are respectively connected with the two ends of a supporting piece which are opposite to each other, extend out of the shell and are corresponding to the two ends of the supporting piece, the handle is connected with one end of the mandrel, and the shell is detachably connected with each rack through a plurality of fasteners.
Preferably, a plurality of strip through holes which are arranged in a front-back through mode are sequentially formed in each rack from left to right, and a plurality of shell through holes which correspond to each other in front-back mode are formed between the front side and the back side of the shell.
Preferably, an extension rod is further arranged between each rack and the corresponding support piece, and each extension rod is hinged with the corresponding support piece.
The utility model has the beneficial effects that:
1) The waist supporting lifter is formed by the supporting sheets, the adjusting mechanism and the waist cushion, and the bending degree of the bending supporting sheets which are sequentially arranged from front to back and are respectively in a middle part protruding upwards can be adjusted by the adjusting mechanism, and the waist supporting lifter is connected with the base cushion and the head cushion for use, so that the waist height of a patient can be freely adjusted under the condition that the head height of the patient is basically unchanged, and the prone position ventilation requirements of patients with different shapes or illness states are met;
2) The shell, the bidirectional telescopic piece, the handle and the fastening piece jointly form an adjusting mechanism, meanwhile, the mandrel, the gear and the racks jointly form the bidirectional telescopic piece, the mandrel can rotate by rotating the handle, so that each gear sleeved outside each mandrel drives each rack to slide linearly along the shell, each supporting piece further protrudes upwards or gradually sinks under the pressing force of the two ends approaching or far away from each other, each fastening piece is matched for shaping, the overall structure is simple, the adjustment is convenient, and the supporting mode is more comfortable;
3) And through additionally arranging hinged extension rods between each rack and the corresponding support piece, the shape of each support piece is changed into stable.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic illustration of the use of the prone position ventilation device of the present utility model;
FIG. 2 is a front view of a lumbar support lifter of the prone position ventilation device of the present utility model;
fig. 3 is a schematic view of the assembly of the support tab and the adjustment mechanism of the prone position ventilation device of the present utility model.
In the figure: 1-base cushion, 2-lumbar support lifter, 21-support sheet, 22-adjustment mechanism, 221-housing, 222-bi-directional telescoping, 2221-spindle, 2222-gear, 2223-rack, 2224-extension bar, 223-handle, 224-fastener, 23-lumbar cushion, 3-head cushion, 4-foot cushion, 5-knee cushion, 6-limit strap.
Detailed Description
Referring to fig. 1, 2 and 3, the prone position ventilation device of the present utility model comprises a base pad 1, a lumbar support lifter 2 and a head pad 3, wherein the head pad 3 and the lumbar support lifter 2 are respectively arranged on the top surface of the base pad 1, the lumbar support lifter 2 comprises a support sheet 21, an adjusting mechanism 22 and a lumbar pad 23, a plurality of support sheets 21 are sequentially arranged from front to back and are all in a bending shape with the middle part protruding upwards, the bending degree of each support sheet 21 is simultaneously adjusted by the adjusting mechanism 22, and the lumbar pad 23 is simultaneously covered on each support sheet 21.
The top surface of the head cushion 3 is provided with a notch, and the side wall of the head cushion 3 is also provided with a vent for communicating the notch with the outside. By the design, the requirement that the head of a patient is required to be laterally placed when the patient ventilates in the traditional prone position is avoided, the burden on the shoulder and neck of the patient is reduced, and the normal ventilation of the patient can be ensured.
The utility model also comprises a foot pad 4 and a knee pad 5, wherein the head pad 3 and the lumbar support lifter 2, the knee pad 5 and the foot pad 4 are arranged on the top surface of the base pad 1 from left to right. Wherein, the head cushion 3, the shell 221, the knee cushion 5 and the foot cushion 4 can be respectively attached to the base cushion 1 through the magic tape to avoid displacement during use.
A plurality of limit belts 6 are wound among the waist cushion 23, the supporting sheets 21 and the patient. Wherein, the limit belt 6 can adopt elastic belts and be matched with buckles to adjust the length of the belt body. In addition, a soft cushion can be additionally arranged between the limit belt 6 and the patient to further avoid the generation of pressure sores.
The adjusting mechanism 22 comprises a casing 221, two-way telescopic members 222, a handle 223 and a fastener 224, the two-way telescopic members 222 comprise a mandrel 2221, gears 2222 and racks 2223, the mandrel 2221 is rotatably connected in an inner cavity of the casing 221 and is arranged in a front-back direction, a plurality of gears 2222 are sequentially sleeved outside the mandrel 2221 from front to back, racks 2223 which are horizontally arranged in a left-right direction are respectively meshed above and below the gears 2222, the racks 2223 are respectively connected with the inner wall of the casing 221 in a sliding mode, the racks 2223 above and below the same gears 2222 are respectively connected with two ends of a corresponding supporting sheet 21, two opposite ends of the racks 2223 extend outside the casing 221, the handle 223 is connected with one end of the mandrel 2221, and the casing 221 is detachably connected with the racks 2223 through a plurality of fasteners 224.
A plurality of strip through holes are sequentially formed in each rack 2223 from left to right, wherein the strip through holes are arranged in a front-back penetrating manner, and a plurality of shell through holes corresponding to each other are formed between the front side and the rear side of the shell 221.
An extension rod 2224 is further arranged between each rack 2223 and the corresponding support piece 21, and each extension rod 2224 is hinged with the corresponding support piece 21.
The working process of the utility model comprises the following steps:
taking as an example that the left end of each rack 2223 located below each gear 2222 protrudes outside the housing 221 and the right end of each rack 2223 located above each gear 2222 protrudes outside the housing 221.
Before use, a healthcare worker holds the handle 223 and rotates the same, and drives each gear 2222 to rotate simultaneously by the mandrel 2221, so that each rack 2223 moves horizontally. Wherein, when the left end of each rack 2223 located below each gear 2222 further protrudes outside the housing 221 and the right end of each rack 2223 located above each gear 2222 further protrudes outside the housing 221, the middle portion of each support piece 21 gradually sinks (the visual shape is more flat); when the left end of each rack 2223 located below each gear 2222 is gradually retracted into the housing 221 and the right end of each rack 2223 located above each gear 2222 is gradually retracted into the housing 221, the middle portion of each piece of support piece 21 is further convex (more curved in visual shape). When the shape of each supporting piece 21 is adjusted to a desired extent, the medical staff first passes the screw rod of the fastener 224 through the corresponding housing through hole and the corresponding strip through hole from front to back, and then screws the nut of the fastener 224 until the housing 221 is connected with each rack 2223.
In use, the patient is laid down in a prone position as shown in fig. 1 (with the patient's head placed in the recess of the head pad 3, the patient's chest, waist and crotch resting on the waist pad 23, the patient's knee resting against the knee pad 5, the patient's ankle resting on the foot pad 4). In addition, the medical staff can also wind and strengthen the waist pad 23, each supporting piece 21 and the thighs of the patient by using a plurality of limiting belts 6.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (6)
1. Prone position ventilation unit, its characterized in that: the waist support lifting device comprises a base pad (1), a waist support lifting device (2) and a head pad (3), wherein the head pad (3) and the waist support lifting device (2) are respectively arranged on the top surface of the base pad (1), the waist support lifting device (2) comprises a supporting sheet (21), an adjusting mechanism (22) and a waist pad (23), a plurality of supporting sheets (21) are sequentially arranged from front to back and are all in a bent shape with the middle part protruding upwards, the bending degree of each supporting sheet (21) is simultaneously adjusted by the adjusting mechanism (22), the waist pad (23) is simultaneously covered on each supporting sheet (21), the adjusting mechanism (22) comprises a shell (221), a bidirectional telescopic piece (222), a handle (223) and a fastener (224), the bidirectional telescopic piece (222) comprises a mandrel (2221), gears (2222) and racks (2223), the mandrel (2221) are rotatably connected in an inner cavity of the shell (221) and are arranged in a front-back direction, a plurality of gears (2222) are sequentially sleeved on the back and are sequentially arranged on the front of the inner walls (2221) of the mandrel (2223) in a left-side and right side respectively arranged on the left side and the left side (2223) and the right side (2223) respectively, racks (2223) located above and below the same gear (2222) extend out of the casing (221) from opposite ends respectively and are connected with two ends of a corresponding supporting plate (21), a handle (223) is connected with one end of the mandrel (2221), and the casing (221) is detachably connected with each rack (2223) through a plurality of fasteners (224).
2. The prone position ventilation device of claim 1, wherein: the top surface of the head pad (3) is provided with a notch, and the side wall of the head pad (3) is also provided with an air vent for communicating the notch with the outside.
3. The prone position ventilation device of claim 1, wherein: still include callus on the sole (4) and knee pad (5), head rest (3) and waist support lifting ware (2), knee pad (5) and callus on the sole (4) set gradually from left to right in the top surface of base pad (1).
4. The prone position ventilation device of claim 1, wherein: a plurality of limiting belts (6) are wound among the waist pad (23), each supporting piece (21) and the patient.
5. The prone position ventilation device of claim 1, wherein: a plurality of strip body through holes which are arranged in a front-back through mode are sequentially formed in each rack (2223) from left to right, and a plurality of shell through holes which correspond to each other in front-back mode are formed between the front side and the back side of the shell (221).
6. The prone position ventilation device of claim 1, wherein: an extension rod (2224) is further arranged between each rack (2223) and the corresponding support piece (21), and each extension rod (2224) is hinged with the corresponding support piece (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942182.9U CN219896213U (en) | 2023-04-20 | 2023-04-20 | Prone position ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320942182.9U CN219896213U (en) | 2023-04-20 | 2023-04-20 | Prone position ventilation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219896213U true CN219896213U (en) | 2023-10-27 |
Family
ID=88430932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320942182.9U Active CN219896213U (en) | 2023-04-20 | 2023-04-20 | Prone position ventilation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219896213U (en) |
-
2023
- 2023-04-20 CN CN202320942182.9U patent/CN219896213U/en active Active
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