CN112057278A - Split type oxygen pressure treatment hood - Google Patents
Split type oxygen pressure treatment hood Download PDFInfo
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- CN112057278A CN112057278A CN202010980884.7A CN202010980884A CN112057278A CN 112057278 A CN112057278 A CN 112057278A CN 202010980884 A CN202010980884 A CN 202010980884A CN 112057278 A CN112057278 A CN 112057278A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
- A61G10/023—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
- A61G10/026—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure for hyperbaric oxygen therapy
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a split type oxygen pressure treatment hood, which comprises an outer support ring, a hood body, a breathing machine joint, a breathing safety valve, a pressure regulating valve, an inner support ring, a neck sleeve and a clamp, wherein the inner wall of the outer support ring is an inner conical surface which is thin at the upper part and thick at the lower part, the outer wall of the inner support ring is an outer conical surface which is thin at the upper part and thick at the lower part and matched with the inner conical surface, the inner support ring is inserted into the outer support ring and realizes the sealing connection through the matching of the inner conical surface and the outer conical surface, a plurality of L-shaped buckles are uniformly fixed on the outer support ring, the neck sleeve is sleeved on the neck of a patient and forms a folding layer through tensioning, and the clamp realizes the sealing of the joint part of the neck sleeve and the neck of the. The split oxygen pressure treatment hood disclosed by the invention adopts a split form of combining the inner support ring and the outer support ring, so that the outer support ring and the hood body can be conveniently taken down, the later-stage feeding, treatment and head movement of a patient are facilitated, and the neck comfort of the patient is realized to the greatest extent.
Description
Technical Field
The invention relates to a hood, in particular to a split type oxygen pressure treatment hood.
Background
Severe respiratory distress syndrome is a symptom phenomenon of patients with lung diseases, and pneumonia, lung contusion, systemic severe infection, shock and high-risk operations can all cause the patients to have the severe respiratory distress syndrome. The current main means for treating severe respiratory distress syndrome is invasive mechanical ventilation, but the mechanical ventilation can not change the hypoxia phenomenon of a patient under the condition of atelectasis of the patient. Oxygen pressure treatment is to place the head area (mouth and nose) of a patient in an oxygen environment with certain pressure, improve the ventilation of the lung of the patient by means of the oxygen environment with positive pressure, and enable the alveoli of the patient to have higher oxygen pressure as much as possible so as to improve the oxygen deficiency phenomenon of the lung of the patient.
The hood is an effective device for oxygen pressure treatment of a patient, the hood is worn on the head of the patient, oxygen is introduced into the hood, so that the oral cavity and the nose of the patient are placed in an oxygen environment with the pressure greater than the standard atmospheric pressure, the ventilation effect of the lung of the patient can be improved, and the purpose of treating the lung diseases of the patient is finally achieved. As for the existing hood, the existing hood is usually in an integrated form and is not taken down after being sleeved on the head of a patient, so that the patient is inconvenient to eat and care for the mouth and the nose in the treatment process, and if the existing hood is taken down, the existing hood is inconvenient to wear again, especially for the patient provided with a nasogastric tube; moreover, for different patients, due to the fact that the neck portions of the patients are different in thickness, if the head cover with the uniform specification is adopted, the patients with the thick neck portions can be pressed greatly, neck discomfort is caused, and for the patients with the thin neck portions, the phenomena of untight neck sealing and air leakage can occur.
Disclosure of Invention
The present invention has been made to overcome the above-mentioned problems, and it provides a split type oxygen pressure therapy head cap.
The invention discloses a split type oxygen pressure treatment hood, which comprises an outer supporting ring, a hood body, a breathing machine joint, a breathing safety valve, a pressure regulating valve, an inner supporting ring, a neck sleeve and a clamp, wherein the lower end opening and the interior of the hood body are cavities for accommodating the head of a patient; when the pressure in the cavity in the hood body is lower than the pressure in the external environment, the breathing safety valve is communicated with the outside and the cavity in the hood body; the neck sleeve is made of soft material, and the upper end and the lower end of the neck sleeve are both open; the method is characterized in that: the periphery of an opening at the upper end of the neck sleeve is fixed at the middle position of the inner wall of the inner support ring, the inner wall of the outer support ring is an inner conical surface which is thin at the upper part and thick at the lower part, the outer wall of the inner support ring is an outer conical surface which is thin at the upper part and thick at the lower part and is matched with the inner conical surface, more than one groove is formed in the outer wall of the inner support ring, and a sealing ring is arranged in the groove; the inner support ring is inserted into the outer support ring and is in sealing connection through the matching of the inner conical surface and the outer conical surface, a plurality of L-shaped buckles are uniformly fixed on the outer support ring, and the L-shaped buckles realize the fastening connection of the outer support ring and the inner support ring;
the lower extreme opening of neck cover is for passing patient's head and stretch into the fore-set mouth in the head cover body, and the opening diameter of fore-set mouth is greater than the diameter of patient's head, and neck ways forms the folded layer through taut on patient's neck, and the clip passes through the centre gripping and realizes the sealed of neck cover and patient's neck joint position on the folded layer.
The split oxygen pressure treatment hood comprises an L-shaped buckle and a transverse plate, wherein the upper end of the vertical plate is rotatably fixed on the outer wall of the outer support ring through a pin shaft, the lower end of the vertical plate is fixedly connected with one end of the transverse plate, and the upper surface of the other end of the transverse plate is fixed on a convex rib matched with the lower edge of the inner wall of the inner support ring.
The split oxygen pressure treatment hood is characterized in that the outer support ring is provided with two hanging straps used for being hung under two armpits of a patient, two ends of each hanging strap are respectively provided with a plurality of connecting holes which are distributed at equal intervals, and the front end surface and the rear end surface of two sides of the outer support ring are respectively and fixedly provided with a fixing column inserted into the connecting holes.
The invention relates to a split type oxygen pressure treatment hood, wherein a breathing safety valve consists of a disc, a sealing piece, a central column and a central shaft, a circular hole for accommodating the disc is formed in a hood body, the outer wall of the periphery of the disc is fixed with the hood body, and the sealing piece is positioned on the inner side of the disc; the center post is located the center of disc, and the center post is connected rather than outlying disc through a plurality of even interval distribution's connecting rod, forms the air inlet between the adjacent connecting rod, sets up the shaft hole that the center pin passed on the center post, and the internal diameter in shaft hole is greater than the diameter of center pin, and the center of gasket is fixed in on the center pin.
The split oxygen pressure treatment head cover is characterized in that the feeding port is composed of a cylinder and a sealing cover, two ends of the cylinder are open, a cavity for accommodating the cylinder is formed in the head cover body, the outer wall of the cylinder is fixed on the head cover body, the sealing cover seals the outer port of the cylinder, and the sealing cover is in threaded connection with the cylinder.
The split type oxygen pressure treatment hood comprises a pressure regulating valve, a pressure regulating valve and a first support spring, wherein the pressure regulating valve comprises a thin cylindrical barrel, a thick cylindrical barrel, a regulating cap, a sealing plug, a guide rod and a first support spring; the sealing ring is positioned in the inner cavity of the thick cylindrical barrel and used for plugging the inner cavity of the thin cylindrical barrel, and the thick cylindrical barrel is provided with an air outlet communicated with the outside; the guide rod is positioned in the inner cavity of the thick cylindrical barrel and is coaxially arranged with the inner cavity, the adjusting cap is arranged on the outer end of the thick cylindrical barrel in a threaded connection mode, a through hole through which the guide rod passes is formed in the adjusting cap, one end of the guide rod is fixed with the sealing plug, and the other end of the guide rod passes through the through hole in the adjusting cap; the first supporting spring is positioned on the periphery of the guide rod, and two ends of the first supporting spring are respectively propped against the sealing plug and the adjusting cap.
The split oxygen pressure treatment hood is characterized in that a pressure indicating device is arranged on a thick cylindrical tube and consists of a transparent cylindrical tube, a rubber plug, a second supporting spring and a communicating tube, wherein the interior of the transparent cylindrical tube is a cavity, the lower end of the transparent cylindrical tube is fixed on the thick cylindrical tube, the upper end of the transparent cylindrical tube is provided with a vent hole, the rubber plug and the second supporting spring are both positioned in the cavity of the interior of the transparent cylindrical tube, and the second supporting spring is positioned between the rubber plug and the upper top wall of the transparent cylindrical tube; the inner cavity at the lower end of the transparent cylindrical tube is communicated with the inner cavity of the thin cylindrical tube through a communicating tube.
The invention discloses a split type oxygen pressure treatment hood, which comprises an outer supporting ring, a hood body, a breathing machine joint, a breathing safety valve, a pressure regulating valve, a connecting band, a neck sleeve and a clamp, wherein the lower end opening and the interior of the hood body are cavities for accommodating the head of a patient; when the pressure in the cavity in the hood body is lower than the pressure in the external environment, the breathing safety valve is communicated with the outside and the cavity in the hood body; the neck sleeve is made of soft material; the method is characterized in that: the connecting band is in a strip shape, the neck sleeve is in a long sheet shape, one long edge of the neck sleeve is fixed on the connecting band, an annular groove is formed in the outer surface of the outer supporting ring, and a sealing convex rib matched with the annular groove is fixed on the surface of the connecting band; one end of the connecting belt is provided with a connecting hole, the other end of the connecting belt is fixed with a connecting column matched with the connecting hole, and the end part of the connecting belt close to the connecting hole is fixed with a force application handle convenient to hold; the connecting band is sleeved on the periphery of the outer support ring, the sealing convex ribs are positioned in the annular grooves to realize sealing, the connecting columns are inserted into the connecting holes to realize fixed connection, the neck sleeve has an overlapping part more than 1/3, and the clamp realizes the sealing of the neck of the patient through clamping the overlapping part.
The invention has the beneficial effects that: the split oxygen pressure treatment hood is characterized in that the outer support ring is provided with a hood body, the hood body is provided with a breathing machine head, a breathing safety valve and a pressure regulating valve, the inner support ring is provided with a neck sleeve, the lower end opening of the neck sleeve is larger than the head size of a patient, the inner conical surface of the inner support ring is matched with the inner conical surface of the outer support ring, and the sealing of the sealing ring on the outer conical surface is utilized, so that the inner support ring and the outer support ring have good sealing performance after being connected, and the phenomenon of air leakage cannot occur. When the oxygen pressure treatment head is used, the head of a patient extends out through a sleeve opening at the lower end of a neck sleeve, the neck sleeve is tightly folded on the neck of the patient and clamped by a clamp, an outer support ring is sleeved on an inner support ring and clamped by an L-shaped buckle, then the head of a breathing machine is connected with the breathing machine, the maximum pressure value which can be maintained in the head sleeve body is adjusted to the required size by a pressure adjusting valve, and the oxygen pressure treatment of the patient can be realized by starting the breathing machine.
Therefore, the split oxygen pressure treatment hood disclosed by the invention adopts a split form of combining the inner support ring and the outer support ring, so that the outer support ring and the hood body can be conveniently taken down, and the convenience is brought to the later-stage feeding, treatment and head movement of a patient; the neck sleeve can be very conveniently sleeved on the neck of a patient in a form of arranging the lower end of the neck sleeve to be larger than the head size of the patient, the thickness of the neck sleeve is adjusted according to the thickness of the neck of the patient to seal, and the neck comfort of the patient is realized to the maximum extent.
Drawings
FIG. 1 is a schematic structural view of a split type oxygen pressure therapy head cover according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of an outer support ring and an inner support ring connected together in embodiment 1 of the present invention;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
FIG. 4 is a schematic view showing the structure of a split type oxygen pressure therapy head cover according to embodiment 1 of the present invention combined together;
fig. 5 is a schematic structural view of a respiratory relief valve in embodiment 1 of the present invention;
fig. 6 is a schematic structural view of the breath safety valve in an open state according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of the structure of a food inlet in example 1 of the present invention;
FIG. 8 is a schematic structural view of a pressure-regulating valve in embodiment 1 of the present invention;
fig. 9 is a sectional view of a pressure-regulating valve in embodiment 1 of the invention;
fig. 10 is a schematic structural view of an outer support ring portion in embodiment 2 of the present invention;
FIG. 11 is a front view of the connecting band and neck sleeve portion in example 2 of the present invention;
FIG. 12 is a top view of the connecting band and neck brace portions of example 2 of the present invention;
fig. 13 is a schematic view of the outer support ring after being coupled with the connection band in example 2 of the present invention;
fig. 14 is a sectional view of the outer support ring after being coupled with the connection band in example 2 of the present invention;
FIG. 15 is a schematic view showing the use of the split type oxygen pressure therapy head cap of embodiment 1 of the present invention.
In the figure: the breathing mask comprises an outer supporting ring 1, a mask body 2, a breathing machine joint 3, a breathing safety valve 4, a pressure regulating valve 5, a food inlet 6, an inner supporting ring 7, a neck sleeve 8, a sleeve opening 9, a buckle 10L-shaped, a vertical plate 11, a transverse plate 12, a pin shaft 13, a convex rib 14, a hanging strip 15, a fixed column 16, a connecting hole 17, an inner conical surface 18, an outer conical surface 19, a groove 20, a sealing ring 21, a folding layer 22 and a clamp 23; 24 disks, 25 sealing pieces, 26 center columns, 27 center shafts, 28 through holes, 29 connecting rods, 30 cylinders and 31 sealing covers; 32 thin cylindrical barrels, 33 thick cylindrical barrels, 34 adjusting caps, 35 sealing plugs, 36 guide rods, 37 first supporting springs, 38 air outlets, 39 transparent cylindrical tubes, 40 rubber plugs, 41 second supporting springs, 42 communicating tubes and 43 pressure indication scales; 44 annular groove, 45 connecting belt, 46 sealing rib, 47 connecting hole, 48 force application handle, 49 connecting column, 50 overlapping part.
Detailed Description
The invention is further described with reference to the following figures and examples.
The pressure regulating valve 5 is also arranged on the head cover body 2, the pressure regulating valve 5 is used for regulating the maximum pressure which can be maintained in the head cover body 2, when the oxygen pressure in the head cover body 2 is greater than the set pressure of the pressure regulating valve 5, the pressure regulating valve 5 is opened to discharge air so as to maintain the pressure in the head cover body 2 at a constant value; thus, the pressure regulating valve 5 also acts as a vent during use.
Two hanging strips 15 are arranged on the outer supporting ring 1, and the two hanging strips 15 are used for being wound under the double armpits of a patient, so that the pulling effect on the outer supporting ring 1 and the head cover body 2 is realized, and the acting force is prevented from being transmitted to the neck sleeve 8 under the condition that oxygen is introduced into the head cover body 2. A plurality of connecting holes 17 are uniformly formed in the two ends of the sling 15, fixing columns 16 are fixed on the outer support ring 1, and when the sling is used, the fixing columns 16 are found in the corresponding connecting holes 17 according to different body types of patients.
As shown in fig. 2, a schematic structural view of the connection of the outer support ring and the inner support ring according to the present invention is shown, and fig. 3 is a partially enlarged view of the area a in fig. 2, in which the upper and lower ends of the neck cover 8 are open, the periphery of the upper end opening of the neck cover 8 is fixed to the central position of the inner wall of the inner support ring 7, and the lower end opening of the neck cover 8 is larger than the diameter of the head of the patient, so that the head of the patient can be conveniently inserted into the neck cover 8. The outer wall of the inner support ring 7 is an outer conical surface 19 which is thin at the top and thick at the bottom, the inner wall of the outer support ring 1 is an inner conical surface 18 which is thin at the top and thick at the bottom and is matched with the outer conical surface 19, two parallel grooves 20 are formed in the outer conical surface 19, and a sealing ring 21 is arranged in each groove 20, so that after the inner support ring 7 is inserted into the outer support ring 1, the air tightness of the joint of the inner support ring 7 and the outer support ring 1 can be effectively ensured through the matching of the inner conical surface 18 and the outer conical surface 19 and the sealing effect of the sealing ring 21, and the air leakage of the joint of the inner support ring 7 and the outer support ring 1 can be avoided under the condition that positive pressure oxygen is introduced into the mask body 2.
In order to realize the firm connection of the inner support ring 7 and the outer support ring 1, a plurality of L-shaped buckles 10 are uniformly arranged on the outer support ring 1, each L-shaped buckle 10 is composed of a vertical plate 11 and a transverse plate 12, the upper end of each vertical plate 11 is rotationally fixed on the outer support ring 1 through a pin shaft 13, the lower end of each vertical plate 11 is connected with one end of each transverse plate 12, a convex rib 14 is arranged on the upper surface of the inner side end of each transverse plate 12, and each convex rib 14 is used for being clamped on the lower edge of the inner wall of the inner support ring 7. When the device is used, the L-shaped buckle 10 is rotated to the position where the inner support ring 7 is not blocked from being inserted into the outer support ring 1, then the inner support ring 7 is inserted into the outer support ring 1, then the L-shaped buckle 10 is pulled down, and the convex rib 14 is clamped on the lower edge of the inner wall of the inner support ring 7, so that the firm connection between the outer support ring 1 and the inner support ring 7 is realized. As shown in fig. 4, a structural schematic view of the combination of the split type oxygen pressure treatment head cover of the present invention is shown.
As shown in fig. 5, which shows a schematic structural diagram of the respiratory safety valve of the present invention, the respiratory safety valve 4 shown is composed of a disc 24, a sealing piece 25, a central column 26, a central shaft 27 and connecting rods 29, the periphery of the disc 24 is fixed on the head cover body 2, the sealing piece 25 is located on the inner side of the disc 24, the central column 26 is located at the central position of the disc 24, the central column 26 is connected with the disc 24 part on the rest periphery of the plurality of evenly distributed connecting rods 29, so that an air inlet is formed between the adjacent connecting rods 29; the central post 26 is provided with a through hole 28, the central shaft 27 passes through the through hole 28, and the inner diameter of the through hole 28 is larger than the diameter of the central shaft 27, so that the central shaft 27 can move along the through hole 28. The sealing piece 25 is fixed at the inner end of the central shaft 17, so that when the pressure in the head cover body 2 is higher than the external pressure, the sealing piece 25 is tightly attached to the disc 24 under the action of the pressure, and air leakage cannot occur; when the pressure in the headgear body 2 is lower than the external pressure, as shown in fig. 6, a schematic structural view is shown in which the respiratory safety valve of the present invention is in an open state, the external air pushes the sealing piece 25 backward through the air inlet between the connecting rods 29, and the external air sequentially enters the internal cavity of the headgear body 2 through the air inlet between the connecting rods 29 and the gap between the sealing piece 25 and the disc 24, so as to prevent the suffocation of the patient.
Referring to fig. 7, which shows a schematic structural view of the food intake port of the present invention, the illustrated food intake port 6 is composed of a cylinder 30 and a sealing cover 31, the cylinder 30 is in a cylindrical shape with two open ends, the outer wall of the cylinder 30 is fixed to the head housing 2, and the sealing cover 31 is fastened to the outer end of the cylinder 30 in a threaded manner. After the sealing cover 31 is screwed on the cylinder 30, the outer port of the cylinder 30 is in a sealing state, and the sealing performance of the inner cavity of the head cover body 2 is ensured. When the patient needs to eat, the sealing cover 31 is opened to drink and eat food, unlike the case that the outer support ring 1 is removed.
As shown in fig. 8 and fig. 9, which respectively show a schematic structural view and a cross-sectional view of the pressure regulating valve of the present invention, the pressure regulating valve 5 is composed of a thin cylindrical tube 32, a thick cylindrical tube 33, a regulating cap 34, a sealing plug 35, a guide rod 36 and a first supporting spring 37, the interiors of the thin cylindrical tube 32 and the thick cylindrical tube 33 are hollow and open at both ends, and the outer wall of the thin cylindrical tube 32 is fixed to the head cover body 2 so that the interior cavity of the head cover body 2 is communicated with the interior cavity of the thin cylindrical tube 32. The connection part of the thin cylinder 32 and the thick cylinder 33 forms a boss, the sealing plug 35 is located in the inner cavity of the thick cylinder 33, and the sealing plug 35 is located at the boss position and used for plugging the inner cavity of the thin cylinder 32.
Seted up a plurality of gas outlets 38 on thick cylinder 33, adjust cap 34 and set up in thick cylinder 33's outer end with threaded connection's mode, guide bar 36 and first supporting spring 37 all are located thick cylinder 33's inside cavity, guide bar 36 leads to the axle with thick cylinder 33 and sets up, adjust and set up the through-hole that guide bar 36 passed on cap 34, the one end of guide bar 36 is fixed in on sealing plug 35, the other end passes the through-hole on adjusting cap 34, first supporting spring 37 is located the periphery of guide bar 36, and the both ends of first supporting spring 37 are pushed up respectively and are touched on sealing plug 35 and adjusting cap 34. Thus, when the adjustment cap 34 is moved in the direction of the sealing plug 35, the compression amount of the first supporting spring 37 becomes large, and the force required for opening the sealing plug 35 becomes large, so that the maximum pressure that can be maintained in the head housing 2 becomes large. Conversely, when the joint cap 34 is moved away from the sealing plug 35, the amount of compression of the first supporting spring 37 becomes small, and the force required to open the sealing plug 35 becomes small, so that the maximum pressure that can be maintained in the head housing 2 becomes small.
Still be provided with pressure indicating device on the thick cylinder section of thick bamboo 33 shown, pressure indicating device is by transparent cylinder 39, rubber buffer 40, second supporting spring 41 and communicating pipe 42 are constituteed, transparent cylinder 39 lower extreme is fixed in on thick cylinder 33, the venthole has been seted up to the upper end, rubber buffer 40 and second supporting spring 41 all are located transparent cylinder 39's inside cavity, rubber buffer 40 is located the bottom, second supporting spring 41 is located between rubber buffer 40 and the inner wall of transparent cylinder 39 top. The hollow portion of the transparent cylindrical tube 39 below the rubber stopper 40 is shown as being communicated with the inner hollow of the thin cylindrical tube 32 through the communication tube 42, so that the value of the internal pressure on the head housing 2 can be reflected by the height position of the rubber stopper 40 on the transparent cylindrical tube 39. The outer surface of the transparent cylindrical tube 39 is provided with a pressure indication scale 43 in the range of 2-17 cm of water.
As shown in fig. 15, which shows a schematic diagram of the use of the split oxygen pressure therapy head cap of the present invention, when in use, the head of a patient firstly passes through the sleeve opening 9, the neck sleeve 8 and the inner support ring 7 are sleeved on the periphery of the neck of the patient, then the inner support ring 7 is inserted into the outer support ring 1, and the outer support ring 1 and the inner support ring 7 are tightly connected together through the L-shaped buckle 10. Then, the neck cover 8 is pulled strongly to be adhered to the skin of the neck of the patient, the folded layer 22 is formed, and the folded layer 22 is held by the clip 23, so that the portion of the neck cover 8 adhered to the patient is in a sealed state. Finally, the maximum pressure to be maintained in the head cover body 2 is adjusted to a required value by the pressure adjusting valve 5, the breathing machine connector 3 is connected with the breathing machine, and the breathing machine is started, so that oxygen pressure treatment on the patient can be realized.
The connecting band 45 is provided with a connecting hole 47 at one end and a connecting column 49 fixed at the other end, the connecting column 49 and the sealing rib 46 are arranged on different surfaces of the connecting band 45, and the connecting column 49 is inserted into the connecting hole 47 when in use. The outer end of the connecting belt 45 close to the connecting hole 47 is fixed with a force application handle 48, and the force application handle 48 is used for clamping the connecting hole 47 to the connecting column 49 through pulling, so that interference fit of the connecting belt 45 and the outer support ring 1 after connection is realized, and the sealing performance of the connecting part is ensured. The connecting strap 45 shown near the connecting post 49 may also be provided with a plurality of recesses, the end of the force application handle 48 is snapped into the recesses to tighten the connecting strap 45, and the connecting hole 47 and the connecting post 49 are engaged with each other only by the connecting strap 45 after being tightened.
Referring to fig. 13 and 14, which are schematic and sectional views showing the connection of the outer support ring and the connection band in example 2 of the present invention, in use, the outer support ring 1 and the head housing 2 are firstly fitted around the periphery of the head of a patient with the outer support ring 1 around the periphery of the neck of the patient, the connection band 45 is then placed behind the neck of the patient with the sealing ribs 46 on the connection band 45 being snapped into the annular grooves 44 of the outer support ring 1, and then the connection band 45 is tensioned and the connection posts 49 are inserted into the connection holes 47 by inserting the lower ends of the force application handles 48 into the recesses near the connection posts 49 (e.g., left side in fig. 12), so that the connection of the connection band 45 and the outer support ring 1 is achieved, and the sealing performance of the connection is ensured by the interference fit of the sealing ribs 46 and the annular grooves 44. Finally, the overlapping portion 50 of the neck cover 8 is tightened by the clamp 23 and then clamped.
Claims (8)
1. A split type oxygen pressure treatment hood comprises an outer support ring (1), a hood body (2), a breathing machine joint (3), a breathing safety valve (4), a pressure regulating valve (5), an inner support ring (7), a neck sleeve (8) and a clamp (23), wherein the lower end of the hood body is opened, a cavity for accommodating the head of a patient is arranged inside the hood body, the periphery of the lower end opening of the hood body is fixed on the outer support ring, the breathing machine joint, the breathing safety valve and the pressure regulating valve are all arranged on the hood body, the breathing machine joint is communicated with the inner cavity of the hood body, and the pressure regulating valve is used for regulating the maximum pressure which can be maintained by the inner cavity of the hood body; when the pressure in the cavity in the hood body is lower than the pressure in the external environment, the breathing safety valve is communicated with the outside and the cavity in the hood body; the neck sleeve is made of soft material, and the upper end and the lower end of the neck sleeve are both open; the method is characterized in that: the periphery of an opening at the upper end of the neck sleeve is fixed at the middle position of the inner wall of the inner support ring, the inner wall of the outer support ring (1) is an inner conical surface (18) which is thin at the top and thick at the bottom, the outer wall of the inner support ring is an outer conical surface (19) which is thin at the top and thick at the bottom and is matched with the inner conical surface, more than one groove (20) is formed in the outer wall of the inner support ring, and a sealing ring (21) is arranged in each groove; the inner support ring is inserted into the outer support ring and is in sealing connection through the matching of the inner conical surface and the outer conical surface, a plurality of L-shaped buckles (10) are uniformly fixed on the outer support ring, and the L-shaped buckles realize the fastening connection of the outer support ring and the inner support ring;
the lower end opening of the neck sleeve is convenient for the head of a patient to penetrate through and extend into the sleeve opening (9) in the head cover body, the opening diameter of the sleeve opening (9) is larger than the diameter of the head of the patient, the neck sleeve is sleeved on the neck of the patient and forms a folding layer (22) through tensioning, and the clamp (23) is clamped on the folding layer to seal the joint of the neck sleeve and the neck of the patient.
2. The split oxygen pressure therapy hood of claim 1, wherein: the L-shaped buckle (10) is composed of a vertical plate (11) and a transverse plate (12), the upper end of the vertical plate is rotationally fixed on the outer wall of the outer support ring (1) through a pin shaft (13), the lower end of the vertical plate is fixedly connected with one end of the transverse plate, and a convex rib (14) matched with the lower edge of the inner wall of the inner support ring (7) is fixed on the upper surface of the other end of the transverse plate.
3. The split oxygen pressure therapy hood of claim 1 or 2, wherein: the outer supporting ring (1) is provided with two hanging strips (15) used for being hung below two armpits of a patient, a plurality of connecting holes (17) distributed at equal intervals are formed in the two ends of each hanging strip, and fixing columns (16) inserted into the connecting holes are fixed on the front end face and the rear end face of the two sides of the outer supporting ring.
4. The split oxygen pressure therapy hood of claim 1 or 2, wherein: the breathing safety valve (4) consists of a disc (24), a sealing piece (25), a central column (26) and a central shaft (27), a circular hole for accommodating the disc is formed in the head cover body (2), the outer wall of the periphery of the disc is fixed with the head cover body, and the sealing piece is positioned on the inner side of the disc; the center post is located the center of disc, and the center post is connected rather than outlying disc through a plurality of even interval distribution's connecting rod (29), forms the air inlet between the adjacent connecting rod, sets up the shaft hole that the center pin passed on the center post, and the internal diameter in shaft hole is greater than the diameter of center pin, and the center of gasket is fixed in on the center pin.
5. The split oxygen pressure therapy hood of claim 1 or 2, wherein: the food intake (6) is composed of a cylinder (30) and a sealing cover (31), the two ends of the cylinder are both opened, a cavity for accommodating the cylinder is formed in the head cover body, the outer wall of the cylinder is fixed on the head cover body, the sealing cover seals the outer port of the cylinder, and the sealing cover is in threaded connection with the cylinder.
6. The split oxygen pressure therapy hood of claim 1 or 2, wherein: the pressure regulating valve consists of a thin cylindrical barrel (32), a thick cylindrical barrel (33), a regulating cap (34), a sealing plug (35), a guide rod (36) and a first supporting spring (37), wherein the thin cylindrical barrel and the thick cylindrical barrel are internally provided with cavities, two ends of the thin cylindrical barrel and the thick cylindrical barrel are opened, the thin cylindrical barrel and the thick cylindrical barrel are connected, a boss is formed at the joint of the thin cylindrical barrel and the thick cylindrical barrel, the outer wall of the thin cylindrical barrel is fixed on a head cover body, and the internal cavity of the head cover body is communicated with the internal cavity of the thin cylindrical barrel; the sealing ring (21) is positioned in the inner cavity of the thick cylindrical barrel and is used for plugging the inner cavity of the thin cylindrical barrel, and the thick cylindrical barrel is provided with an air outlet (38) communicated with the outside; the guide rod is positioned in the inner cavity of the thick cylindrical barrel and is coaxially arranged with the inner cavity, the adjusting cap is arranged on the outer end of the thick cylindrical barrel in a threaded connection mode, a through hole through which the guide rod passes is formed in the adjusting cap, one end of the guide rod is fixed with the sealing plug, and the other end of the guide rod passes through the through hole in the adjusting cap; the first supporting spring is positioned on the periphery of the guide rod, and two ends of the first supporting spring are respectively propped against the sealing plug and the adjusting cap.
7. The split oxygen pressure therapy hood of claim 6, wherein: the pressure indicating device is arranged on the thick cylindrical tube (33) and consists of a transparent cylindrical tube (39), a rubber plug (40), a second supporting spring (41) and a communicating tube (42), the interior of the transparent cylindrical tube is a cavity, the lower end of the transparent cylindrical tube is fixed on the thick cylindrical tube, the upper end of the transparent cylindrical tube is provided with a vent hole, the rubber plug and the second supporting spring are both positioned in the cavity of the interior of the transparent cylindrical tube, and the second supporting spring is positioned between the rubber plug and the upper top wall of the transparent cylindrical tube; the inner cavity at the lower end of the transparent cylindrical tube is communicated with the inner cavity of the thin cylindrical tube through a communicating tube.
8. A split type oxygen pressure treatment hood comprises an outer supporting ring (1), a hood body (2), a breathing machine joint (3), a breathing safety valve (4), a pressure regulating valve (5), a connecting belt (45), a neck sleeve (8) and a clamp (23), wherein the lower end of the hood body is opened, a cavity for containing the head of a patient is arranged in the lower end of the hood body, the periphery of the lower end opening of the hood body is fixed on the outer supporting ring, the breathing machine joint, the breathing safety valve and the pressure regulating valve are all arranged on the hood body, the breathing machine joint is communicated with the cavity in the hood body, and the pressure regulating valve is used for regulating the maximum pressure which can be maintained in the inner cavity of the hood; when the pressure in the cavity in the hood body is lower than the pressure in the external environment, the breathing safety valve is communicated with the outside and the cavity in the hood body; the neck sleeve is made of soft material; the method is characterized in that: the connecting belt (45) is in a strip shape, the neck sleeve (8) is in a long sheet shape, one long edge of the neck sleeve is fixed on the connecting belt, an annular groove (44) is formed in the outer surface of the outer supporting ring (1), and a sealing convex rib (46) matched with the annular groove is fixed on the surface of the connecting belt; one end of the connecting belt is provided with a connecting hole (47), the other end of the connecting belt is fixed with a connecting column (49) matched with the connecting hole, and the end part of the connecting belt close to the connecting hole is fixed with a force application handle (48) convenient to hold by hand; the connecting band (45) is sleeved on the periphery of the outer supporting ring (1), the sealing convex ribs are positioned in the annular grooves to realize sealing, the connecting columns (49) are inserted into the connecting holes to realize fixed connection, the neck sleeve is provided with an overlapping part (50) above 1/3, and the clamp (23) realizes the sealing of the neck of the patient through clamping the overlapping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980884.7A CN112057278A (en) | 2020-09-17 | 2020-09-17 | Split type oxygen pressure treatment hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980884.7A CN112057278A (en) | 2020-09-17 | 2020-09-17 | Split type oxygen pressure treatment hood |
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| Publication Number | Publication Date |
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| CN112057278A true CN112057278A (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010980884.7A Pending CN112057278A (en) | 2020-09-17 | 2020-09-17 | Split type oxygen pressure treatment hood |
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| CN (1) | CN112057278A (en) |
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Application publication date: 20201211 |