AU2021101864A4 - Multifunctional bed convenient for excretion and nursing - Google Patents

Multifunctional bed convenient for excretion and nursing Download PDF

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Publication number
AU2021101864A4
AU2021101864A4 AU2021101864A AU2021101864A AU2021101864A4 AU 2021101864 A4 AU2021101864 A4 AU 2021101864A4 AU 2021101864 A AU2021101864 A AU 2021101864A AU 2021101864 A AU2021101864 A AU 2021101864A AU 2021101864 A4 AU2021101864 A4 AU 2021101864A4
Authority
AU
Australia
Prior art keywords
fixedly connected
bedstead
excretion
casing
rotating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2021101864A
Inventor
Yinlian He
Cuimai Huang
Yanfei LI
LianDan Liang
Jianyuan Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Youjiang Medical University for Nationalities Affiliated Hospital
Original Assignee
Youjiang Medical University for Nationalities Affiliated Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Youjiang Medical University for Nationalities Affiliated Hospital filed Critical Youjiang Medical University for Nationalities Affiliated Hospital
Priority to AU2021101864A priority Critical patent/AU2021101864A4/en
Application granted granted Critical
Publication of AU2021101864A4 publication Critical patent/AU2021101864A4/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/02Beds specially adapted for nursing; Devices for lifting patients or disabled persons with toilet conveniences, or specially adapted for use with toilets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/005Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/018Control or drive mechanisms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/0503Holders, support devices for receptacles, e.g. for drainage or urine bags

Abstract

The utility model belongs to the field of auxiliary equipment technology, involving the functional bed with excretion function, including the bedstead. The support frame is set below the bedstead, and the bedstead and the support frame are fixedly connected by the support leg. The bottom of the support frame is fixed with a self-locking wheel. The upper surface and bottom surface of the bedstead are respectively provided with the first and the second accommodating holes; The internal fixation of the bedstead is connected with a flap, and the right side of the flap is rotated and connected with a back plate. The square casing, square rod and casing are pulled down by an linear actuator. The casing pulls the rotating shaft with the left end of the pedal and the rotating rod, and the left end of the rotating rod decreases. The left end of the rotating rod decreases, while the right end of the rotating rod increases. The right end of the back plate rotates and rises. The pedal and the back plate rotate synchronously with the rotation of the rotating rod. The patients are back to the back plate, and the legs are back to the pedal. The position adjustment is completed with the rotation. The operation is simple and easy to use, which can avoid the difficulty of excretion caused by slow bowel movement and poor urination when patients lie flat. 1/5 FIGURES 113 28 7 8 9 10 1 16 18 Figure 1

Description

1/5
FIGURES
113
28 7 8 9 10 1
16
18
Figure 1
Multifunctional bed convenient for excretion and nursing
TECHNICAL FIELD
The utility model relates to the technical field of auxiliary instruments, in particular
to a multifunctional bed which is convenient for excretion and nursing.
BACKGROUND
Nursing beds are generally powered beds, electric or manual nursing beds, which are
designed according to patients' living habits and treatment needs. With family members
to accompany, with multiple nursing functions and operating buttons, the bed is insulated
and safe. The rehabilitation nursing bed can be used alone or in combination with
treatment or rehabilitation equipment, which is convenient for medical observation and
inspection and the operation and use of family members; At present, the whole society
has gradually entered an aging society. With the increase of age, various physical
functions have decreased, such as being more likely to get sick; When the patient stays in
bed for a long time and can't move, the toilet problem becomes a thorny problem for
medical staff; It is very hard to help the elderly to go to the toilet, and some families are
constrained by the economy, which often requires the elderly to go to the toilet by
themselves, which increases the risk of secondary injuries to the elderly.
For patients who are bedridden for a long time due to diseases, they are inconvenient
to move, so they often use nursing beds. In the existing nursing beds, holes are cut in the
middle to assist defecation. Because the intestinal peristalsis slows down and defecation
is not smooth when the patients lie flat and excrete, it is difficult to excrete, and it is very
troublesome to clean up.
SUMMARY
The main purpose of this utility model is to provide a multifunctional bed which is
convenient for excretion and nursing. The functional bed with excretion function solves
the technical problems of difficulty in excretion and trouble in cleaning when patients lie
flat in the past.
In order to achieve the above purpose, the utility model provides the following
technical scheme:
A support frame is arranged below the bedstead, and the bedstead is fixedly
connected with the support frame through support legs; a self-locking wheel is fixedly
installed on the bottom surface of the support frame; a first accommodating hole and a
second accommodating hole are respectively formed on the upper surface and the bottom
surface of the bedstead; a sitting plate isfixedly connected inside the bedstead; the right
side of the sitting plate is rotatably connected with a back plate; the left side of the sitting
plate is rotatably connected with a pedal;
The bottom surface of the bedstead is fixedly connected with a positioning plate, the
left side surface of the positioning plate is fixedly connected with a positioning rod and a
lead screw, and a excretory hole is positioned between the positioning rod and the lead
screw;A U-shaped chuck is arranged between the positioning rod and the lead screw, a
bedpan is arranged inside the u-shaped clamp seat, a slip ring is fixedly connected with
the right side surface of the positioning rod, and the slip ring is fixedly connected with the
right side surface of the U-shaped chuck; The external surface of the lead screw is
threadedly connected with a threaded pipe, and the threaded pipe isfixedly connected
with the left side surface of the U-shaped clamp seat; A rectangular frame is fixedly connected with the back surface of the U-shaped chuck, and the flap is positioned inside the rectangular frame;
Two sides of the bedstead are provided with rotating rods which are rotatably
connected with the two sides of the bedstead through supporting rods;The top ends of the
two rotating rods are rotatably connected with one end of the back plate far away from
the sitting plate through pin rods, the front and back surfaces of one end of the pedal far
away from the sitting plate are rotatably connected with rotating shafts, and the ends of
the two rotating shafts which are far away from each other respectively penetrate through
the two rotating rods and extend to the side where the two rotating rods are far away from
each other, and push-pull assemblies are installed at the ends of the rotating shafts which
are far away from each other.
A further scheme of the utility model:two sides of the supporting frame are provided
with linear actuators, and the fixed ends of the linear actuators are rotationally hinged
with the front and back surfaces of the supporting frame through pin shafts, and the
telescopic ends of each linear actuator are fixedly connected with square casings; And the
outer surface of each square casing is provided with a threaded hole, and screws are
threadedly connected inside the threaded hole; the top end of each square rod is fixedly
connected with a casing; and the rotating shaft is sleeved inside the casing.
Another further scheme of the utility model:the left end of the lead screw is fixedly
connected with a turntable.
One end of the rectangular frame far away from the U-shaped chuck is fixedly
provided with rolling wheels, and the number of the rolling wheels is at least three, and
the rolling wheels are in contact with the sitting plate
Further, the upper surface of each rotating rod is fixedly connected with a handle,
and the handle is located above the supporting rod.
And the lower part of the back of the flap is fixedly connected with a baffle, and the
upper surface of the baffle is provided with a groove.
Compared with the prior art, the utility model has the advantages as follows:
1. The functional bed with drainage function is operated as follows: the linear
actuator pulls the square casing, square rod and casing down, the casing pulls the rotating
shaft to bring the left end of the pedal and rotating rod down, the left end of the rotating
rod descends and its right end rises to drive the right end of the back plate to rotate and
rise, the pedal and back plate rotate synchronously with the rotation of the rotating rod,
and the patient is back to back with his legs leaning against the pedal. It is easy to operate
and convenient to use, and avoid that difficulty of excretion caused by slow bowel
movements when a patient lies flat.
2. The functional bed with excretion function, by turning the screw to make the
threaded pipe move on it, the threaded pipe drives the U-shaped chuck, the bedpan and
the rectangular frame to move in the reverse direction with the positioning plate, the
rectangular frame holds the flap and pulls it to the left, so that the flap gradually enters
the inside of the excretion hole to close it, the screw continues to turn so that the threaded
pipe drives the U-shaped card holder and the bedpan to move to the left, and the bedpan
is taken out of the gap of the U-shaped card holder by the escort to handle it and avoid
odor generation and make it easy to use and clean.
BRIEF DESCRIPTION OF THE FIGURES
In order to explain the embodiments of the utility model or the technical scheme in
the prior art more clearly, the drawings used in the embodiments or the description of the
prior art will be briefly introduced below. Obviously, the drawings in the following
description are only some embodiments of the utility model. For ordinary technicians in
the field, other drawings can be obtained according to the structures shown in these
drawings without paying creative labor.
Fig. 1 is the schematic structural diagram of the front view of the utility model;
Fig. 2 is the schematic structural diagram of the utility model from the bottom;
Fig. 3 is the enlarged structural diagram of the structure at a in Fig. 2;
Fig. 4 is the three-dimensional structural schematic diagram of the push-pull
assembly of the utility model;
Fig. 5 is the schematic structural diagram of the utility model from the bottom.
Description of reference numerals:
Label Name Label Name
1 Push-pull assembly 101 casing
102 Square rod 103 Screw
104 Square casing 105 Pin shaft
106 Linear actuator 107 Threaded hole
2 Self-locking wheel 3 First accommodating hole
4 Pedal 5 Rotating shaft
6 Supporting leg 7 Bedpan
8 Flap 9 Excretory hole
10 Handle 11 Rotating rod
12 Back plate 13 Pin rod
14 Second accommodating 15 Supporting frame hole
16 Bedstead 17 Positioning rod
18 Strut 19 Turntable
20 Guide screw 21 Positioning plate
22 Rectangular frame 23 Rolling wheel
24 Baffle 25 Slip ring
26 U-shaped chuck 27 Threaded pipe
28 Sitting plate
The object realization, functional features and advantages of the utility model will be
further explained with reference to the attached drawings in combination with the
embodiment.
DESCRIPTION OF THE INVENTION
In the following, the technical scheme in the embodiment of the utility model will be
described clearly and completely with reference to the drawings in the embodiment of the
utility model. Obviously, the described embodiment is only a part of the embodiment of
the utility model, not all embodiments. Based on the embodiments in this utility model,
all other embodiments obtained by ordinary technicians in this field without creative
labor belong to the protection scope of this utility model.
It should be noted that all directional indicators (such as up, down, left, right, front,
back, ...) in the embodiment of the utility model are only used to explain the relative
position relationship and movement situation among components in a certain specific
posture (as shown in the attached figure), and if the specific posture changes, the
directional indicators will change accordingly.
In addition, the descriptions of "first" and "second" in this utility model are only
used for description purposes, and cannot be understood as indicating or implying their
relative importance or implicitly indicating the number of indicated technical features.
Therefore, the features defined with "first" and "second" can include at least one of the
features explicitly or implicitly. In addition, the technical solutions among the various
embodiments can be combined with each other, but they must be based on the realization
by ordinary technicians in the field. When the combination of technical solutions is
contradictory or impossible to realize, it should be considered that the combination of
technical solutions does not exist, nor is it within the scope of protection required by this
utility model.
Referring to Figs. 1-5, the utility model provides a multifunctional bed convenient
for excretion and nursing, which comprises a bedstead 16, a supporting frame 15 is
arranged below the bedstead 16, and the bedstead 16 is fixedly connected with the
supporting frame 15 through supporting legs 6, a self-locking wheel 2 is fixedly installed
on the bottom surface of the supporting frame 15, and a first accommodating hole 3 and a
second accommodating hole 14 are respectively formed on the upper surface and the
bottom surface of the bedstead 16. A sitting plate 28 is fixedly connected inside the
bedstead 16, the right side of which is rotatably connected with the back plate 12, the left
side of which is rotatably connected with the pedal 4, the upper surface of which is
provided with a excretory hole 9, the inner wall of which is rotatably connected with a
flap 8, the bottom surface of the bedstead 16 isfixedly connected with a positioning plate
21, and the left side of the positioning plate 21 is fixedly connected with a positioning rod
17 and a screw 20. A U-shaped chuck 26 is arranged between the positioning rod 17 and
the lead screw 20, and a bedpan 7 is arranged inside the U-shaped clamp seat 26. The
right side of the positioning rod 17 is fixedly connected with a slip ring 25 which is
fixedly connected with the right side of the U-shaped chuck 26. A threaded pipe 27 is threadedly connected to the outer surface of the lead screw 20, and the threaded pipe 27 is fixedly connected to the left side surface of the U-shaped chuck 26, and a rectangular frame 22 is fixedly connected to the back surface of the U-shaped chuck 26, and the flap
8 is located inside the rectangular frame 22.
Both sides of the bedstead 16 are provided with rotating rods 11 which are rotatably
connected with both sides of the bedstead 16 through supporting rods 18. By providing
two rotating rods 11, the stability and supporting force are improved by adopting a way
of supporting both sides. The top ends of the two rotating rods 11 are rotatably connected
with one end of the back plate 12 far away from the sitting plate 28 through pin rods 13.
The front and back surfaces of one end of the pedal 4 far away from the sitting plate 28
are rotatably connected with a rotating shaft 5. And the ends of the two rotating shafts 5
which are far away from each other respectively penetrate through the two rotating rods
11 and extend to the sides of the two rotating rods 11 which are far away from each other,
and push-pull assemblies 1 are installed at the ends of the rotating shafts 5 which are far
away from each other.
The utility model is provided with a pedal 4, a back plate 12 and a rotating rod 11. In
practical application, the pedal 4 and the back plate 12 can be synchronously rotated and
adjusted along with the rotation of the rotating rod 11, so that the patient can quickly
complete the body position adjustment, and the operation is simple and convenient to use,
thus avoiding the difficulty of excretion caused by slow bowel movements when the
patient lies flat.
Two sides of the supporting frame 15 are provided with linear actuators 106, and the
fixed ends of the linear actuators 106 are rotationally hinged with the front and back surfaces of the supporting frame 15 through pin shafts 105. Each telescopic end of the linear actuator 106 is fixedly connected with a square casing 104, and a square rod 102 is sleeved inside the square casing 104. The outer surface of each square casing 104 is provided with a threaded hole 107, and a screw 103 is threaded inside the threaded hole
107. A casing 101 is fixedly connected to the top end of each square rod 102, and the
rotating shaft 5 is sleeved inside the casing 101.
By setting the casing 101 and the square rod 102, in practical application, the
telescopic distance is changed by adjusting the length of the square rod 102 inside the
casing 101, and the inclination angle of the rotating rod 11 is changed, so that it is
suitable for different patients and improves its applicability.
Specifically, the turntable 19 is fixedly connected to the left end of the lead screw
, which is convenient for users to grasp in practical applications and enables the lead
screw 20 to rotate faster.
Specifically, rolling wheels 23 are fixedly installed at one end of the rectangular
frame 22 away from the U-shaped chuck 26, and the number of the rolling wheels 23 is at
least three. The rolling wheels 23 are arranged in contact with the sitting plate 28. In
practical application, the rolling wheels 23 rotate to reduce the friction when the
rectangular frame 22 is in contact with the flap 8, thus avoiding the noise caused by
excessive friction when the rectangular frame 22 is in contact with the flap 8.
Specifically, a handle 10 is fixedly connected to the upper surface of each rotating
rod 11, and the handle 10 is located above the supporting rod 18. In practical application,
the patient can fix the upper body by hand, making it convenient to use.
Specifically, the lower part of the back of the flap 8 is fixedly connected with a
baffle 24, and the upper surface of the baffle 24 is provided with a groove. By arranging
the flap 8, the rectangular frame 22 can be blocked and limited in practical application, so
as to prevent the rectangular frame 22 from separating from the flap 8 and affecting
normal use.
The working principle of the utility model:
Sl. When this device is used, first turn the screw 20 so that the threaded pipe 27
moves on it, and the threaded pipe 27 drives the U-shaped holder 26, the bedpan 7 and
the rectangular frame 22 towards the positioning plate 21, and the flap 8 rotates and falls
into the interior of the rectangular frame 22 to open the drainage hole 9, and the screw 20
continues to turn so that the threaded pipe 27 drives the U-shaped chuck 26 and the
bedpan 7 to directly below the excretory hole 9.
S2.The linear actuator 106 is connected to the power supply and its telescopic end
pulls the square casing 104, the square rod 102 and the casing 101 down, the casing 101
pulls the rotation axis 5 with the pedal 4 and the left end of the rotation rod 11 down, the
rotation rod 11 left end down and its right end up drives the right end of the back plate 12
rotate up, the pedal 4 and the back plate 12 rotate with the rotation rod 11 for
synchronous rotation adjustment, the patient back against the back plate 12 legs against
the pedal 4 with the rotation to complete the position adjustment, its operation is simple
and easy to use, to avoid the patient lying flat intestinal peristalsis slowed bowel
movement caused by poor defecation;
S3.After the completion of defecation, turn the screw 20 so that the threaded tube 27
moves on it, the threaded tube 27 drives the U-shaped chuck 26, the bedpan 7 and the rectangular frame 22 to move in the reverse direction with the positioning plate 21, the rectangular frame 22 holds the flap 8 and pulls it to the left, so that the flap 8 gradually enters the inside of the excretory hole 9 to close it, the screw 20 continues to turn so that the threaded pipe 27 drives the U-shaped chuck26 and the bedpan 7 to move to the left.
By the chaperone to take out the potty 7 from the gap of the U-shaped card chuck 26 for
treatmentto avoid odor, so that it is easy to use and clean.
The above is only the preferred embodiment of this utility model, which does not
limit the patent scope of this utility model. Under the inventive concept of this utility
model, the equivalent structural transformation made by using the contents of this utility
model specification and drawings, or directly/indirectly applied to other related technical
fields, are included in the patent protection scope of this utility model.

Claims (6)

THE CLAIMS DEFINING THE INVENTION ARE AS FOLLOWS:
1. A multifunctional bed that is convenient for excretion and nursing, including
bedstead. Its characteristics are as follows: A support frame is arranged below the
bedstead, and the bedstead is fixedly connected with the support frame through support
legs; a self-locking wheel is fixedly installed on the bottom surface of the support frame;
a first accommodating hole and a second accommodating hole are respectively formed on
the upper surface and the bottom surface of the bedstead; a sitting plate is fixedly
connected inside the bedstead; the right side of the sitting plate is rotatably connected
with a back plate; the left side of the sitting plate is rotatably connected with a pedal;
The bottom surface of the bedstead is fixedly connected with a positioning plate, the
left side surface of the positioning plate is fixedly connected with a positioning rod and a
lead screw, and a excretory hole is positioned between the positioning rod and the lead
screw;A U-shaped chuck is arranged between the positioning rod and the lead screw, a
bedpan is arranged inside the u-shaped clamp seat, a slip ring is fixedly connected with
the right side surface of the positioning rod, and the slip ring is fixedly connected with the
right side surface of the U-shaped chuck; The external surface of the lead screw is
threadedly connected with a threaded pipe, and the threaded pipe is fixedly connected
with the left side surface of the U-shaped clamp seat; A rectangular frame is fixedly
connected with the back surface of the U-shaped chuck, and the flap is positioned inside
the rectangular frame;
Two sides of the bedstead are provided with rotating rods which are rotatably
connected with the two sides of the bedstead through supporting rods;The top ends of the
two rotating rods are rotatably connected with one end of the back plate far away from the sitting plate through pin rods, the front and back surfaces of one end of the pedal far away from the sitting plate are rotatably connected with rotating shafts, and the ends of the two rotating shafts which are far away from each other respectively penetrate through the two rotating rods and extend to the side where the two rotating rods are far away from each other, and push-pull assemblies are installed at the ends of the rotating shafts which are far away from each other.
2. The multifunctional bed that is convenient for excretion and nursing according to
claim 1, which is characterized in that two sides of the supporting frame are provided
with linear actuators, and the fixed ends of the linear actuators are rotationally hinged
with the front and back surfaces of the supporting frame through pin shafts, and the
telescopic ends of each linear actuator are fixedly connected with square casings; And the
outer surface of each square casing is provided with a threaded hole, and screws are
threadedly connected inside the threaded hole; the top end of each square rod is fixedly
connected with a casing; and the rotating shaft is sleeved inside the casing.
3. The multifunctional bed that is convenient for excretion and nursing according to
claim 1, which is characterized in that the left end of the lead screw is fixedly connected
with a turntable.
4. The multifunctional bed that is convenient for excretion and nursing according to
claim 1, which is characterized in that one end of the rectangular frame far away from the
U-shaped chuck is fixedly provided with rolling wheels, and the number of the rolling
wheels is at least three, and the rolling wheels are in contact with the sitting plate.
5. The multifunctional bed that is convenient for excretion and nursing according to
claim 1, which is characterized in that the upper surface of each rotating rod is fixedly
connected with a handle, and the handle is located above the supporting rod.
6. The multifunctional bed that is convenient for excretion and nursing according to
claim 1, which is characterized in that the lower part of the back of the flap is fixedly
connected with a baffle, and the upper surface of the baffle is provided with a groove.
FIGURES 1/5
Figure 1
AU2021101864A 2021-04-12 2021-04-12 Multifunctional bed convenient for excretion and nursing Ceased AU2021101864A4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2021101864A AU2021101864A4 (en) 2021-04-12 2021-04-12 Multifunctional bed convenient for excretion and nursing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2021101864A AU2021101864A4 (en) 2021-04-12 2021-04-12 Multifunctional bed convenient for excretion and nursing

Publications (1)

Publication Number Publication Date
AU2021101864A4 true AU2021101864A4 (en) 2021-06-03

Family

ID=76132917

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021101864A Ceased AU2021101864A4 (en) 2021-04-12 2021-04-12 Multifunctional bed convenient for excretion and nursing

Country Status (1)

Country Link
AU (1) AU2021101864A4 (en)

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MK22 Patent ceased section 143a(d), or expired - non payment of renewal fee or expiry