CN114569370A

CN114569370A - Auxiliary device for respiratory nursing

Info

Publication number: CN114569370A
Application number: CN202210199687.0A
Authority: CN
Inventors: 贾丽芬; 陈占伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-03

Abstract

The invention relates to an auxiliary device for respiratory care, which comprises a bottom plate, a lower jaw adjusting mechanism and a headrest, wherein the lower jaw adjusting mechanism is arranged above the bottom plate, the headrest corresponds to the lower jaw adjusting mechanism, one side of the bottom plate is provided with a displacement mechanism for adjusting the height of a mechanical arm, one end of the mechanical arm, which is far away from the displacement mechanism, is connected with a mask for positive pressure ventilation, and the lower jaw adjusting mechanism, the displacement mechanism, the mechanical arm and the mask cooperate to realize the anti-jaw opening position during non-invasive positive pressure ventilation; the auxiliary device provided by the invention realizes the anti-jaw opening position during noninvasive positive pressure ventilation, frees medical staff, relieves the working strength, and can reduce the pain of patients so as to ensure that the optimal breathing condition is achieved without damaging human bodies.

Description

Auxiliary device for respiratory nursing

Technical Field

The invention belongs to the technical field of respiratory assistance, and particularly relates to an auxiliary device for respiratory nursing.

Background

ICU is intensive care unit promptly, also known as strengthens the intensive care unit comprehensive treatment room, and treatment, nursing, recovery all can be gone on in step, provide isolation place and equipment for severe or stupor patient, and wherein, the most leading equipment in ICU ward is the breathing machine, and the breathing machine is used for providing oxygen for the patient, makes patient's blood oxygen concentration reach normal level.

Muscle in the severe patient oral cavity is lax, and soft tissue tension reduces, can lead to the mandible joint lax, and the tongue root tenesmus and lead to the air flue to block, when having no wound malleation and ventilating, for guaranteeing that the air flue is unobstructed, needs the doctor to mention patient's mandible joint slant, makes the air flue open, and the oral cavity is slightly opened in order to avoid the tongue tenesmus this moment. After the airway is established, the mask is fastened to ensure the air tightness, then the posture is kept unchanged, and meanwhile, the parameters of the breathing machine are observed, and the pose is continuously adjusted. Obviously, in order to ensure that the airway is opened, a doctor needs to specially support the lower jaw and buckle the mask, the physical consumption is huge in long-time operation, and the airway pressure is unstable due to fatigue, so that the quality of noninvasive positive pressure ventilation is reduced.

Disclosure of Invention

The invention aims to solve the problems in the background art, and provides an auxiliary device for respiratory care, which realizes the anti-jaw opening position during noninvasive positive pressure ventilation, liberates medical staff, relieves the working strength, and can reduce the pain of patients so as to ensure that the optimal respiratory condition is achieved without damaging human bodies.

The purpose of the invention is realized as follows:

an auxiliary device for respiratory care comprises a base plate, a lower jaw adjusting mechanism and a headrest, wherein the lower jaw adjusting mechanism is arranged above the base plate, the headrest corresponds to the lower jaw adjusting mechanism, a displacement mechanism used for adjusting the height of a mechanical arm is arranged on one side of the base plate, one end, far away from the displacement mechanism, of the mechanical arm is connected with a mask used for positive pressure ventilation, and the lower jaw adjusting mechanism, the displacement mechanism, the mechanical arm and the mask cooperate to realize the anti-jaw opening position during noninvasive positive pressure ventilation.

Preferably, the lower jaw adjusting mechanism comprises two symmetrical coupling seats fixed on two sides above the bottom plate through a fixing plate, a lead screw is connected between the two symmetrical coupling seats, the lead screw is connected with two balance sleeves through a matched nut, the upper ends of the two balance sleeves are connected with jaw supports corresponding to the lower jaw through electric push rods, neck support plates corresponding to the headrest are arranged between the upper end of the lead screw and the two balance sleeves, and the jaw supports are pushed by a stepping motor to adjust the linear freedom degree of the jaw supports.

Preferably, the screw rod is formed by connecting a first screw rod and a second screw rod which have opposite thread directions, and the two balance sleeves are respectively arranged on the first screw rod and the second screw rod.

Preferably, the displacement mechanism include X slip table and locate the Y slip table of X slip table top through the guide block perpendicularly, the X slip table on be equipped with the guide bar, the guide block slide on the guide bar, the arm pass through slide sliding connection Y slip table, realize that the arm reciprocates in a flexible way.

Preferably, the return bend upper end of face guard be connected with the nasogastric tube, the tube hole of nasogastric tube on be equipped with the handhole door, the outer wall of handhole door and return bend be connected through two at least hasp, the handhole door correspond with the tube hole of nasogastric tube, the handhole door be used for sealing the tube hole of nasogastric tube, the handhole door structure about having, be provided with respectively on the bottom surface of structure about, control and control the recess and control the silica gel pad about being provided with respectively in the recess, control and be provided with the sealing silica gel pad between the structure.

Preferably, the mask is an adhesive dressing made of three polyurethane compositions, the outer surface of the mask is a pink thin polyurethane film, the middle of the mask is a hydrophilic polyurethane foam pad, and the lower surface close to the skin of the patient is a porous polyurethane film coated with an acrylic adhesive.

Preferably, the headrest is sleeved on the two parallel guide rails, and a fixing belt for fixing the head of the patient is arranged above the headrest.

Preferably, two shaft coupling seats between still be connected with the bracing piece parallel with the lead screw, balanced cover locate the outside of bracing piece, balanced cover inside still is equipped with ratchet gear, the lead screw pass through the adaptation nut and be connected with ratchet gear's central point, the bracing piece passes ratchet gear, ratchet gear is connected with the locking seat, the locking seat be connected with ratchet gear adaptation, be used for fixed ratchet gear's locating pin.

Preferably, the auxiliary device still including locate the bottom plate side, with the bracket that is used for placing the face guard of face guard adaptation, the bracket be by the curved cylindric support body that forms of reinforcing bar, the support body inner space of bracket constitute the room that holds the face guard, the anterior of bracket has been seted up and has been held in the palm thing groove for the pipeline that support face guard and breathing machine are connected, the spacing groove that is the U-shaped is seted up to the lateral part of bracket for place face guard flank and bandeau, the lateral wall in support thing groove and the lateral wall in spacing groove and bracket junction are the arc structure of rounding off.

Preferably, the bracket rear portion is equipped with the mounting, the mounting including have 90 rotation axis and the spring clamp of bending, rotation axis one end is connected perpendicularly on the bracket, and relative support body is around its axle center rotation, the rotation axis other end is connected with the spring clamp, and the rotation axis other end is the center pin of spring clamp.

Preferably, when the face guard contacts with the patient face, face guard and the mutual extrusion contact of patient face, when the face guard agrees with patient face and prevents that patient face from producing and pressing the sore, the face guard is the same with patient face's inclined plane inclination, and the face guard receives the thrust F of arm and satisfies this moment:

F＝2Msinα/μ(r₁+r₂)+2Mcosα/(r₁+r₂) Wherein M is the locking torque provided by the mechanical arm for the connecting frame, mu is the friction coefficient between the mask and the face of the patient, alpha is the angle of the connecting part of the connecting frame and the mask, and r is the locking torque₁、r₂The radius of the connecting surface of the mask and the connecting frame and the radius of the connecting surface of the mask and the face of the patient are respectively.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the auxiliary device for respiratory care, the lower jaw adjusting mechanism supports and fixes the lower jaw, the mechanical arm and the connecting frame determine the position of the mask and adjust the posture of the mask, the displacement mechanism realizes flexible up-and-down movement of the mechanical arm, all the parts are coordinated and matched, and the anti-jaw opening position during noninvasive positive pressure ventilation is realized.

2. When a patient needs to use the nasal feeding tube, the mask is taken away, the nasal feeding tube is inserted, the hinge on the mask is opened, the tail end of the nasal feeding tube passes through the hole cover and then is closed, and the nasal feeding tube is sealed and fixed by the silica gel pads of the left structure and the right structure.

3. According to the auxiliary device for respiratory nursing, the bracket solves the problem of safe placement of the noninvasive ventilator mask, and the mask is prevented from being damaged and polluted.

4. The auxiliary device for respiratory care provided by the invention has the advantages that the adhesive dressing is low in sensitivity, the discomfort of the skin can be reduced, the independent wound contact layer is arranged, the damage of the granulation tissue of the new generation is reduced, the bleeding and pain of the wound are reduced, the peripheral skin can be prevented from being soaked, the external surface is tight, the contact of various external microorganisms such as methicillin staphylococcus aureus and pseudomonas aeruginosa with the wound can be prevented, a bacterial barrier is formed, the foam pad with a certain thickness is arranged in the middle, the pressure can be redistributed, the local pressure can be effectively buffered, the auxiliary device can be used as a buffering and pressure reducing pad, and the skin of a patient can be protected while the patient feels comfortable.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary device for respiratory care of the invention.

Fig. 2 is a schematic view of a displacement mechanism of an auxiliary device for respiratory care according to the present invention.

Fig. 3 is a schematic view of a mask for a respiratory care aid of the present invention.

Fig. 4 is a schematic view of a balancing sleeve of an auxiliary device for respiratory care according to the present invention.

Fig. 5 is a schematic view of a cradle for a respiratory care assistance apparatus of the present invention.

Fig. 6 is a bottom view of fig. 5.

In the figure: 1. a base plate; 2. a headrest; 3. a neck splint; 4. a shaft coupling seat; 5. an electric push rod; 6. a jaw support; 7. an X sliding table; 8. a guide bar; 9. a guide block; 10. a Y-shaped sliding table; 11. a slide plate; 12. a connecting frame; 13. a face mask; 14. a screw rod; 15. bending the pipe; 16. a nasal feeding tube; 17. an orifice cover; 18. a support bar; 19. a ratchet gear; 20. a bracket; 21. a material supporting groove; 22. a fixed mount; 23. a limiting groove; 24. a rotating shaft; 25. a spring clip; 26. and a balance sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Example 1

With reference to fig. 1, an auxiliary device for respiratory care comprises a base plate 1, a lower jaw adjusting mechanism arranged above the base plate 1 and a headrest 2 corresponding to the lower jaw adjusting mechanism, wherein the position of the headrest 2 can be adjusted by the headrest 2 through a guide rail, one side of the base plate 1 is provided with a displacement mechanism for adjusting the height of a mechanical arm, one end of the mechanical arm far away from the displacement mechanism is connected with a mask 13 for positive pressure ventilation through a connecting frame 12, the lower jaw adjusting mechanism realizes the lifting and fixing of the lower jaw, the mechanical arm and the connecting frame realize the position determination of the mask and the posture adjustment of the mask, the displacement mechanism realizes the flexible up-and-down movement of the mechanical arm, all parts are in coordination, and the opening position of the opposite jaw during noninvasive positive pressure ventilation is realized.

The lower jaw adjusting mechanism comprises two symmetrical coupling seats 4 fixed on two sides above the bottom plate 1 through a fixing plate, a screw rod 14 is connected between the two symmetrical coupling seats 4, the screw rod 14 is connected with two balancing sleeves 26 through adaptive nuts, the upper ends of the two balancing sleeves 26 are connected with jaw supports 6 corresponding to the lower jaw through electric push rods 5, neck supporting plates 3 corresponding to the headrest 2 are arranged between the upper end of the screw rod 14 and the two balancing sleeves 26, and the jaw supports 6 are pushed by a stepping motor to adjust the linear freedom degree of the screw rod 14.

The screw rod 14 is formed by connecting a first screw rod and a second screw rod which have opposite thread directions, the screw rod is a bidirectional trapezoidal screw rod, and the two balance sleeves 26 are respectively arranged on the first screw rod and the second screw rod.

The two balance sleeves are arranged on the screw rod I and the screw rod II which are opposite in thread direction and move in opposite directions or in opposite directions along with the driving of the motor, the thread screwing directions are symmetrical about the middle, the screw rod has self-locking capacity, the position of an electric push rod for fixing the jaw support can be limited when the motor stops, the height of the jaw support is adjusted through the electric push rod, the position of the jaw support 6 relative to the lower jaw of a patient is adjusted, the fixation of the head position of the patient is completed, and meanwhile the formation of the inverted jaw position of the lower jaw is realized.

Example 2

On embodiment 1's basis, combine fig. 2, one side of bottom plate 1 be equipped with the displacement mechanism that is used for adjusting the arm height, the arm adopt the four joint structures of three degrees of freedom among the prior art, the one end that displacement mechanism was kept away from to the arm is connected with the face guard 13 that is used for the malleation to ventilate through link 12, displacement mechanism include X slip table 7 and locate the Y slip table 10 of X slip table 7 top perpendicularly through guide block 9, X slip table 7 on be equipped with guide bar 8, guide block 9 slide on guide bar 8, the arm pass through slide 11 sliding connection Y slip table 10, realize that the arm reciprocates in a flexible way.

The displacement mechanism supports the passive positioning mechanical arm and adjusts the position of the mask, and adjusts the height of the mechanical arm and the height of the mask, so that the vertical up-and-down movement of the whole mechanical arm along the Z-axis direction is realized.

Example 3

On the basis of embodiment 1, with reference to fig. 3, the upper end of the elbow 15 of the face mask 13 is connected with a nasogastric tube 16, a nasogastric tube hole is surrounded by nasogastric tube hole surfaces and comprises a left hole surface and a right hole surface, the left hole surface and the right hole surface are both arc-shaped, are circular holes after being spliced and are fixed through hinges and latches, hole covers 17 are arranged on the hole holes of the nasogastric tube 16, the hole covers 17 are connected with the outer wall of the elbow 15 through at least two latches, the hole covers 17 correspond to the hole holes of the nasogastric tube 16, the hole covers 17 are used for sealing the hole holes of the nasogastric tube 16, the hole covers 17 have left and right structures, left and right grooves are respectively arranged on the bottom surfaces of the left and right hole covers of the left and right structures, left and right silicone pads are respectively arranged in the left and right grooves, and sealing silicone pads are arranged between the left and right structures.

When a patient needs to use the nasal feeding tube, the respirator mask is taken away firstly, after the nasal feeding tube is inserted, the hinge on the respirator mask is opened, the tail end of the nasal feeding tube passes through the hole cover, then the hinge is closed, and the nasal feeding tube is sealed and fixed by the silica gel pads of the left cover and the right cover.

Example 4

On embodiment 1's basis, combine figure 4, two shaft coupling seats between still be connected with the bracing piece parallel with the lead screw, balanced cover locate the outside of bracing piece, balanced cover inside still is equipped with ratchet gear, the lead screw pass through the adaptation nut and be connected with ratchet gear's central authorities, the bracing piece passes ratchet gear, ratchet gear is connected with the locking seat, the locking seat be connected with ratchet gear adaptation, be used for fixed ratchet gear's locating pin.

The rotation degree of freedom of the electric push rod is realized by the ratchet gear matched with the electric push rod, the balance sleeve plays the roles of connecting the ratchet and limiting the rotation of the support rod, the electric push rod linearly moves the degree of freedom to realize the lifting of the lower jaw, when the ratchet gear is moved to a proper position, the locking seat is started, the positioning pin is extended out to be matched with the teeth, the fixing effect is realized, and the adjustment of the angle of the jaw support is realized.

Example 5

Combine fig. 5 and fig. 6, auxiliary device still including locate the bottom plate side, with the bracket that is used for placing the face guard of face guard adaptation, the bracket be by the curved cylindric support body that forms of reinforcing bar, the support body inner space of bracket constitute the accommodation chamber that holds the face guard, the anterior of bracket has been seted up and has been held in the palm thing groove for support the pipeline that face guard and breathing machine are connected, the spacing groove that is the U-shaped is seted up to the lateral part of bracket for place face guard flank and bandeau, the lateral wall in support thing groove and the lateral wall in spacing groove and bracket junction are the arc structure of rounding off.

The bracket rear portion is equipped with the mounting, the mounting including have 90 rotation axis and the spring clamp of bending, rotation axis one end is connected perpendicularly on the bracket, and relative support body is rotatory around its axle center, the rotation axis other end is connected with the spring clamp, and the rotation axis other end is the center pin of spring clamp.

During the use, place the breathing machine face guard in the face guard of support body and hold the room, place breathing line joint end in holding in the palm the thing inslot, rely on the face guard natural inclination on support body back wall, place the bandeau of face guard both sides in the spacing inslot of support body both sides in, ensure that the shape of breathing machine face guard does not receive the destruction, the spacing groove can also prevent face guard horizontal tilt, the mount adopts the structure that has 90 rotation axes and the spring clamp of bending and uses jointly, the spring clamp can be rotatory around the center pin, make the mount use nimble.

Example 6

The face mask 13 adopts an adhesive dressing formed by three polyurethane compositions, the outer surface of the face mask 13 is a pink thin polyurethane film, the middle part of the face mask is a hydrophilic polyurethane foam pad, and the lower surface close to the skin of a patient is a porous polyurethane film coated with an acrylic adhesive.

The adhesive dressing is low in sensitivity, can reduce discomfort of skin, is provided with an independent wound contact layer, reduces injury of granulation tissues, reduces bleeding and pain of wounds, can prevent surrounding skin from being soaked, and can prevent various external microorganisms such as methicillin staphylococcus aureus, pseudomonas aeruginosa and the like from contacting the wounds due to tight outer surface, so that a bacterial barrier is formed.

When face guard and the facial contact of patient, face guard and the mutual extrusion contact of patient's face, when the face guard agrees with patient's face and prevents that patient's face from producing and pressing the sore, the inclined plane inclination homogeneous phase of face guard and patient's face is the same, and the face guard receives the thrust F of arm this moment and satisfies:

Because the restriction of motor power and harmonic output rated torque, the arm receives the ascending thrust of X slip table to be certain, under the prerequisite that satisfies required locking torque, make required thrust minimum be the target of optimizing, the value range of alpha is 0-90, in the value range, when alpha is 0, F gets the minimum, so when the contact surface of face guard and patient's face does not have the inclination, required theoretical thrust is minimum, if let alpha be 0, because tight fit, there is certain interference between face guard and the patient's face, when the interference is less, the contact is unreliable, when the interference is too big, can produce and press the sore, consequently face guard and patient's face must have an angle that is not 0.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and substitutions made within the scope of the present invention should be included.

Claims

1. An aid for respiratory care characterized by: the non-invasive positive pressure ventilation device comprises a bottom plate (1), a lower jaw adjusting mechanism arranged above the bottom plate (1) and a headrest (2) corresponding to the lower jaw adjusting mechanism, wherein a displacement mechanism used for adjusting the height of a mechanical arm is arranged on one side of the bottom plate (1), one end, far away from the displacement mechanism, of the mechanical arm is connected with a mask (13) used for positive pressure ventilation through a connecting frame (12), and the lower jaw adjusting mechanism, the displacement mechanism, the mechanical arm and the mask (13) cooperatively realize the opening position of the anti-jaw during the non-invasive positive pressure ventilation.

2. An aid for respiratory care according to claim 1 wherein: the lower jaw adjusting mechanism comprises two symmetrical shaft coupling seats (4) fixed on two sides above a bottom plate (1) through a fixing plate, a lead screw (14) is connected between the two symmetrical shaft coupling seats (4), the lead screw (14) is connected with two balance sleeves (26) through a matched nut, the upper ends of the two balance sleeves (26) are connected with jaw supports (6) corresponding to the lower jaw through an electric push rod (5), neck supporting plates (3) corresponding to a headrest (2) are arranged between the upper end of the lead screw (14) and the two balance sleeves (26), and the jaw supports (6) are pushed by a stepping motor to lead screws (14) to adjust the linear freedom degree of the jaw supports.

3. An aid for respiratory care according to claim 2, wherein: the screw rod (14) is formed by connecting a first screw rod and a second screw rod which are opposite in thread direction, and the two balance sleeves (26) are respectively arranged on the first screw rod and the second screw rod.

4. An aid for respiratory care according to claim 1 wherein: displacement mechanism include X slip table (7) and locate Y slip table (10) of X slip table (7) top perpendicularly through guide block (9), X slip table (7) on be equipped with guide bar (8), guide block (9) slide on guide bar (8), the arm pass through slide (11) sliding connection Y slip table (10), realize that the arm reciprocates in a flexible way.

5. An aid for respiratory care according to claim 1 wherein: elbow pipe (15) upper end of face guard (13) be connected with nasogastric tube (16), the tube hole of nasogastric tube (16) on be equipped with handhole door (17), handhole door (17) be connected through two at least hasp with the outer wall of elbow pipe (15), handhole door (17) correspond with the tube hole of nasogastric tube (16), handhole door (17) be used for sealing up the tube hole of nasogastric tube (16), handhole door (17) structure about having, be provided with respectively on the bottom surface of structure about and control recess, control about being provided with respectively in the recess about, control and be provided with sealing silica gel pad between the structure.

6. An aid for respiratory care according to claim 1 wherein: the face guard (13) adopt the viscidity dressing that constitutes by three kinds of polyurethane compositions, the surface of face guard (13) is pink thin polyurethane film, and the centre is hydrophilic polyurethane foam pad, and the lower surface that is close to patient's skin is the porous polyurethane film who scribbles the acrylic acid adhesive.

7. An aid for respiratory care according to claim 1 wherein: the pillow (2) is sleeved on the two parallel guide rails, the pillow (2) moves along the guide rails, and a fixing band for fixing the head of a patient is arranged above the pillow (2).