CN116807734A - Omnibearing cold compress device for continuous knee joint - Google Patents
Omnibearing cold compress device for continuous knee joint Download PDFInfo
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- CN116807734A CN116807734A CN202311099037.XA CN202311099037A CN116807734A CN 116807734 A CN116807734 A CN 116807734A CN 202311099037 A CN202311099037 A CN 202311099037A CN 116807734 A CN116807734 A CN 116807734A
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- bag
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- cold compress
- wall
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- 210000000629 knee joint Anatomy 0.000 title abstract description 21
- 210000003127 knee Anatomy 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 7
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 7
- 239000002356 single layer Substances 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims description 33
- 229920003023 plastic Polymers 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 16
- 239000011229 interlayer Substances 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 30
- 230000008569 process Effects 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 20
- 210000002414 leg Anatomy 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 208000006820 Arthralgia Diseases 0.000 description 3
- 206010061218 Inflammation Diseases 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 3
- 230000004054 inflammatory process Effects 0.000 description 3
- 238000013150 knee replacement Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 208000024765 knee pain Diseases 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000012659 Joint disease Diseases 0.000 description 1
- 208000003947 Knee Osteoarthritis Diseases 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005714 functional activity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007830 nerve conduction Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/10—Cooling bags, e.g. ice-bags
- A61F7/103—Cooling bags, e.g. ice-bags refillable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F2007/0001—Body part
- A61F2007/0039—Leg or parts thereof
- A61F2007/0042—Knee
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
- A61F7/10—Cooling bags, e.g. ice-bags
- A61F7/103—Cooling bags, e.g. ice-bags refillable
- A61F2007/105—Closures specially adapted for icebags or packs
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Massaging Devices (AREA)
Abstract
The invention relates to the field of knee rehabilitation, in particular to a continuous knee joint omnibearing cold compress device which comprises a cylindrical bag and a supporting air bag, wherein the cylindrical bag is made of waterproof cloth, a waterproof zipper and the supporting air bag are arranged on the wall of the cylindrical bag, two annular air bags are respectively and fixedly connected to two ends of the cylindrical bag, the two annular air bags and the cylindrical bag form a closed cavity together, and a layer of waterproof silica gel is covered on the outer wall of the annular air bag, which is contacted with skin; the bag wall of the cylindrical bag is provided with a water discharge nozzle, and the annular air bag and the supporting air bag are both provided with air nozzles for inflating and deflating. The device has better wearing comfort and wearing convenience, the device can select a cylindrical bag with a single-layer or double-layer structure as required, the cold compress effect is most direct, and the device has the best wearing experience and the better cold compress effect; the device is provided with the water discharging nozzle, can discharge water in the cold compress process, and opens the zipper to add ice cubes, so that continuous cold compress in the disassembly-free process is realized.
Description
Technical Field
The invention relates to the field of knee rehabilitation, in particular to a cold compress device with a quick-dismantling function for knees.
Background
The artificial knee joint replacement is a new technology for treating knee joint diseases, which is developed gradually after the modern artificial hip joint is successfully applied to patients, can effectively eradicate late knee joint pain, and greatly improves the life quality of the patients.
Currently, knee replacement surgery has become an effective method for treating final-stage knee osteoarthritis, which can significantly relieve knee pain, thereby improving the quality of life of patients. However, aseptic inflammatory reactions such as knee pain and swelling may be seen in the early stages after knee replacement. Aiming at the situation, the ice compress can effectively alleviate the problems.
First, ice compress belongs to a kind of physiotherapy-cold therapy, it can shrink blood vessel, relieve local congestion, reduce nerve conduction velocity, relieve pain, prevent spasm, and has effects of lowering temperature, stopping bleeding, relieving pain and detumescence. Ice compress is beneficial to reducing inflammatory reactions and preventing swelling after artificial knee replacement. Usually, ice compress is recommended within 1-3 months after operation, every 2-3 hours/time, and every 15-20 minutes. After 1 month, the ice compress is properly reduced according to the specific conditions of the operation mouth. In general, the knee joint must be ice-coated after functional activities. In addition, ice compress should be applied when there is an acute inflammatory reaction of red, swelling, heat and pain in the affected area.
The ice compress is various, for the characteristics of artificial knee joint postoperative patient, the method of using is ice towel method, ice water bag method, ice compress bag method, many cold compress device have mechanical structure more and complicated shortcoming at present, wear the travelling comfort very poor, some other cold compress device that adopts magic tape or bandage form to wrap up outside knee joint, it is through putting into ice-cube or ice bag form in waterproof cloth intermediate layer to indirectly compress knee joint, because the whole knee joint department of packing that its wearing form indicates can't be fine, thereby lead to cold compress contact surface less, can only effectively compress to knee front side, and cold compress effect to knee joint both sides is relatively poor, moreover, many cold compress bags of present needs to pull down whole when needs ice bag or ice-cube replacement, cross again and compress after waiting to change new ice bag or ice-cube, the persistence is relatively poor.
Disclosure of Invention
Based on this, it is necessary to provide a cold compress device with a quick-release function for the knee in view of the prior art.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
a cold compress device with quick release function for the knee, comprising:
the tubular bag is made of waterproof cloth and is of a trouser leg structure with two open ends, a straight slit opening consistent with the axial direction of the tubular bag is arranged on the wall of the tubular bag, a waterproof zipper for opening and closing the tubular bag is arranged on the straight slit opening, and a supporting air bag for supporting a region in the middle of the knee is arranged on the wall of the tubular bag, opposite to the waterproof zipper, on one side of the tubular bag;
the number of the annular air bags is two, the annular air bags are respectively and fixedly connected to two ends of the cylindrical bag, when the two annular air bags are inflated and are tightly adhered to the skin, a closed cavity for accommodating a refrigerant is formed together with the cylindrical bag, and a layer of waterproof silica gel is covered on the outer wall of the annular air bags, which is contacted with the skin;
the manual inflating bag is used for inflating and deflating the annular air bag and the supporting air bag;
wherein, a drain nozzle communicated with the closed cavity is arranged on the bag wall of the cylindrical bag;
the annular air bag and the supporting air bag are both provided with air nozzles for inflating and deflating.
Preferably, the cylindrical bag has a single-layer structure, and the closed cavity is a region between the inner side of the cylindrical bag and the two annular air bags.
Preferably, the tubular bag is a double-layer mechanism, the closed cavity is an area between an interlayer of the tubular bag and the two annular air bags, and the straight slit opening is positioned on the outer wall of the tubular bag.
Preferably, the interlayer of the cylindrical bag is a closing part with inner and outer walls in a mutually-tight state at one side far away from the waterproof zipper, the interlayers at two sides taking the closing part as a dividing line are not communicated with each other, and the supporting air bag is arranged at the outer side of the closing part.
Preferably, the drainage nozzle is arranged at the low position of the closed cavity, and consists of a plastic lining, a thread bush outer lining and a screw cap, wherein the plastic lining outwards penetrates through the side wall of the cylindrical bag, the thread bush outer lining is fixedly clamped and sleeved on the outer side of the plastic lining and the outer ends of the thread bush outer lining are flush, the plastic lining and the thread bush outer lining are jointly clamped on the bag wall of the cylindrical bag, and the screw cap is tightly screwed on the end part of the thread bush outer lining and can be internally provided with a rubber sealing ring for tightly propping against the end part of the thread bush outer lining.
Preferably, the side walls of the annular air bag and the supporting air bag are both glued with a rubber valve core seat for embedding the air supply nozzle, a through hole is formed in the rubber valve core seat, an annular caulking groove is formed in the hole wall of the through hole, and an annular flange which is in sealing jogged with the annular caulking groove is formed in the outer wall of the air nozzle.
Preferably, the manual air inflation bag is inflated and deflated by a directional three-way connector, the directional three-way connector comprising:
the shell body is internally provided with a step-shaped through round hole extending along the two ends of the axial direction of the shell body, and the side walls of the two ends of the shell body are respectively provided with an air inlet hole communicated with the small end of the step-shaped through round hole and a pressure relief hole communicated with the large end of the step-shaped through round hole;
the end cover is fixedly embedded at the large end of the step-shaped through round hole, a central hole which is communicated with the outer side and the step-shaped through round hole is formed in the center of the end cover, and the central hole and the step-shaped through round hole are coaxial;
the valve core is coaxially arranged in the large end of the stepped through round hole, one end of the valve core is inserted into the central hole in a sliding manner, one end of the valve core, which is far away from the end cover, is formed with a sealing head part for abutting against the stepped through round hole, the inner side of the valve core is formed with an air guide hole extending towards the direction far away from the sealing head part, and the side wall of the valve core is formed with an air guide groove communicated with the inner side air guide hole;
the first spring is sleeved on the outer side of the valve core, and two ends of the first spring respectively abut against the sealing head and the end cover;
wherein, a one-way ventilation mechanism for supplementing air into the manual air bag is arranged in the air inlet hole;
the pressure relief hole is internally provided with a pressure relief mechanism for relieving pressure of air entering the valve core.
Preferably, the one-way ventilation mechanism comprises a valve seat and a plastic diaphragm, the outer end of the air inlet is provided with a sinking groove for embedding the valve seat, the valve seat consists of a circular ring part and an arc ring part which are coaxially arranged, one side of the plastic diaphragm is clamped in a clamping groove formed between the circular ring part and the arc ring part, and the plastic diaphragm can completely cover the inner hole of the circular ring part;
one side of the sinking groove is provided with a crescent supporting table which corresponds to the arc ring part and is used for abutting against the ring part, and one side of the plastic membrane, which is far away from the arc ring part, is provided with a flat opening part which is used for avoiding the crescent supporting table.
Preferably, the pressure release mechanism includes:
the cylinder pipe lining is arranged in the pressure relief hole, an annular flange used for limiting the cylinder pipe lining is formed at the inner end of the pressure relief hole, and a plurality of first sealing rings which are abutted against the inner wall of the pressure relief hole are embedded in the outer wall of the cylinder pipe lining;
the valve rod is arranged on the inner side of the cylindrical pipe liner in a penetrating manner, a gap for air to pass through is reserved between the valve rod and the cylindrical pipe liner, one end of the valve rod extending to the step-shaped through round hole is provided with a limiting head, the joint of the limiting head and the valve rod is provided with a second sealing ring for propping against the lower edge of the cylindrical pipe liner, the outer end of the valve rod is fixedly connected with a pressing cap, and a part of the pressing cap extends into the pressure release hole and is reserved with the gap for air to pass through before the part of the pressing cap extends into the inner wall of the pressure release hole;
the second spring is sleeved outside the valve rod, and two ends of the second spring respectively abut against the pressing cap and the cylinder tube lining;
the inner diameter of the cylindrical pipe lining is smaller than the diameter of the annular flange, the diameter of the annular flange is larger than that of the limiting head, and a gap is reserved between the limiting head and the limiting flange.
Compared with the prior art, the invention has the following beneficial effects:
firstly, compared with the traditional mechanical locking cold compress device, the device has better wearing comfort and wearing convenience, the wearing device is similar to wearing knee pads, and the wearing process can be completed by inflating the device through the saccule after the device is worn to a proper position;
secondly, the device can select a cylindrical bag with a single-layer or double-layer structure as required, the cold compress effect is most direct, and the device has the best wearing experience and the better cold compress effect, so that the device is flexible in actual use;
thirdly, the device is provided with an inflatable and adjustable supporting air bag behind the knee for supporting the principal area so as to enable the knee joint of the patient to find comfortable curvature;
fourth, this device is furnished with the water discharge mouth and can drain at the cold compress in-process to open the zip fastener and add the ice-cube, realized exempting from to tear open the continuous cold compress of in-process, and the ice-cube can fill in whole airtight cavity and carry out comprehensive cold compress to knee joint.
Fifthly, the device is provided with the special directional tee joint device, so that the processes of inflation and deflation and flexible pressure relief are realized, the hand is flexibly regulated and controlled, and the device is extremely convenient to use.
Drawings
FIG. 1 is a top view of the present invention in use;
FIG. 2 is a side view of the invention in use;
FIG. 3 is a cross-sectional view of the dual layer cartridge bag of the present invention during use;
FIG. 4 is a schematic view of the structure of the drain nozzle of the present invention;
FIG. 5 is a schematic view of an air faucet according to the present invention;
FIG. 6 is a schematic structural view of the manual air bag of the present invention;
FIG. 7 is a plan cross-sectional view of the directional tee connector of the present invention;
FIG. 8 is a schematic view of a pressure relief mechanism of the directional tee connector of the present invention;
FIG. 9 is a schematic view of the one-way venting mechanism of the directional tee connector of the present invention;
FIG. 10 is a schematic perspective view of a one-way venting mechanism of the present invention;
the reference numerals in the figures are: 1-a cylindrical bag; 2-straight slit opening; 3-a waterproof zipper; 4-supporting an air bag; a 5-ring balloon; 6-sealing the cavity; 7-waterproof silica gel; 8-a drain nozzle; 9-an air tap; 10-a closure; 11-plastic liner; 12-a thread bush outer liner; 13-turning the cap; 14-a rubber sealing ring; 15-a rubber valve core seat; 16-an annular flange; 17-manual inflation of the bag; 18-hose; 19-an inflation needle; 20-knee joint; 21-mattress; 22-directional tee connectors; 23-a housing body; 24-step type through round holes; 25-an air inlet hole; 26-a pressure relief hole; 27-end caps; 28-a central hole; 29-valve core; 30-sealing the head; 31-air vent; 32-vent grooves; 33-a first spring; 34-a one-way venting mechanism; 35-a pressure release mechanism; 36-valve seat; 37-plastic film; 38-sinking groove; 39-a ring portion; 40-arc ring part; 41-clamping grooves; 42-crescent support; 43-flat mouth; 44-a cylindrical tube liner; 45-an annular flange; 46-a first sealing ring; 47-valve stem; 48-limiting heads; 49-a second seal ring; 50-pressing the cap; 51-a second spring; 52-limiting blocks.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 10, a cold compress device having a quick release function for a knee, comprising:
a tubular bag 1, which is made of waterproof cloth and has a trouser leg structure with two open ends, wherein a straight slit opening 2 consistent with the axial direction of the tubular bag is arranged on the wall of the tubular bag, a waterproof zipper 3 for opening and closing the straight slit opening 2 is arranged on the straight slit opening 2, and a supporting air bag 4 for supporting a region in the rear of knee is arranged on one side of the tubular bag 1 opposite to the waterproof zipper 3;
the number of the annular air bags 5 is two, the annular air bags are respectively and fixedly connected to two ends of the cylindrical bag 1, when the two annular air bags 5 are inflated and are tightly adhered to the skin, a closed cavity 6 for accommodating a refrigerant is formed together with the cylindrical bag 1, and a layer of waterproof silica gel 7 is covered on the outer wall of the annular air bags 5, which is contacted with the skin;
wherein, a drain nozzle 8 communicated with the closed cavity 6 is arranged on the bag wall of the cylindrical bag 1;
the annular air bag 5 and the supporting air bag 4 are respectively provided with an air tap 9 for inflating and deflating.
When the device is used, the tubular bag 1 and the two annular air bags 5 are worn on the knee joint 20 together, so that the two annular air bags 5 are respectively sleeved on the thigh and the calf, the tubular bag 1 is positioned outside the knee joint 20 like a trouser leg, two ends of the tubular bag 1 are sewn or glued with the outer surface of the annular air bags 5 into a whole, a layer of waterproof cloth fabric is covered on the outer side of the annular air bags 5, the end part of the tubular bag 1 is sewn or glued with waterproof cloth on the outer layer of the annular air bags 5, and waterproof silica gel 7 can be coated outside the waterproof cloth fabric;
then the position is adjusted to enable the waterproof zipper 3 to face upwards, the supporting air bags 4 are positioned at the rear parts of the knees, the two annular air bags 5 are inflated through the air nozzles 9 respectively, the inner rings of the annular air bags 5 are inflated, so that the inner diameters of the annular air bags 5 are continuously reduced until the annular air bags are tightly adhered to the skin, then waterproof silica gel 7 is tightly adhered to the skin, a patient needs to be inquired about the feeling of the pressure of the annular air bags 5 on the legs in the inflation process, the annular air bags 5 are prevented from being tightly adhered to the legs to block the blood circulation, the outer edges of the annular air bags 5 are inflated outwards in the inflation process of the annular air bags 5, and the cylindrical bag 1 which is originally in a fold shrinkage shape is circumferentially expanded and unfolded, so that the sealed cavity 6 is gradually enlarged;
and then the supporting air bag 4 is inflated through the air tap 9, the supporting air bag 4 is gradually inflated to upwards support and lift the back of the knee, the knee joint 20 is finally in a slightly bent state, the patient is asked for feeling in the process, the bending degree of the knee joint 20 is adjusted by adjusting the inflation degree of the supporting air bag 4, the patient is in a most comfortable state, finally the waterproof zipper 3 is pulled open, an ice bag or ice cubes are put into the sealed cavity 6 through the straight seam opening 2 to physically cool the knee joint 20, melted ice water is discharged through the water discharge nozzle 8 after the cold compress is finished, the supporting air bag 4 and the annular air bag 5 are sequentially deflated, and finally the whole device is taken off from the leg of the patient.
The cylindrical bag 1 may have a single-layer structure or a double-layer structure, and if the single-layer structure is adopted, the closed cavity 6 is a region between the inner side of the cylindrical bag 1 and the two annular air bags 5, and the cold compress mode at the moment is that the refrigerant is in direct contact with the skin of the knee joint 20, so that the cold compress effect is most direct;
if a double-layer structure is adopted, the closed cavity 6 is the area between the interlayer of the tubular bag 1 and the two annular air bags 5, the straight slit opening 2 is positioned on the outer wall of the tubular bag 1, at the moment, the refrigerant can be contacted with the skin of the knee joint 20 through the inner side wall of the tubular bag 1, the cooling effect is mild, and in the form, the closed cavity 6 is the interlayer of the tubular bag 1, so that the waterproof and leak-proof performance is better, the leakage of melted cold water from the contact position of the annular air bags 5 and the skin is not worry, and the air pressure of the annular air bags 5 can be further regulated by adopting the form to obtain the optimal wearing comfort level of patients;
the two forms of the cylindrical bag 1 can be selected according to actual requirements when in use, wherein a single-layer cylindrical bag 1 is adopted if the best cold compress effect is pursued, and a double-layer cylindrical bag 1 is adopted if the best comfort level is pursued.
In the case of the cylindrical bag 1 having a double-layer structure, the interlayer of the cylindrical bag 1 is a closed portion 10 having inner and outer walls in a mutually fastened state on a side far from the waterproof zipper 3, the interlayers on both sides of the dividing line by the closed portion 10 are not communicated with each other, the forming of the closed portion 10 is achieved by gluing or heat-sealing, and the support airbag 4 is disposed on the outer side of the closed portion 10.
Because the position behind the knee does not need to be cold compress usually, when adopting tubular bag 1 of bilayer structure, directly with the tubular bag 1 intermediate layer glue that is located behind the knee into closed state to make the cold water that melts in the intermediate layer unable decline to behind the knee, the support gasbag 4 that is located the bottom of closing part 10 this moment can be better support knee nest department, promoted patient's comfort level when having taken care of local cold compress sense of body.
The drain nozzle 8 is arranged at the low position of the closed cavity 6, the drain nozzle 8 consists of a plastic inner liner 11, a thread sleeve outer liner 12 and a screw cap 13, the plastic inner liner 11 outwards penetrates through the side wall of the tubular bag 1, the thread sleeve outer liner 12 is fixedly clamped and sleeved on the outer side of the plastic inner liner 11, the outer ends of the thread sleeve outer liner and the plastic inner liner are flush, the plastic inner liner 11 and the thread sleeve outer liner 12 are jointly clamped on the bag wall of the tubular bag 1, and the screw cap 13 is tightly screwed on the end part of the thread sleeve outer liner 12 and can be internally provided with a rubber sealing ring 14 used for tightly propping against the end part of the thread sleeve outer liner 12.
The central hole of the plastic liner 11 is communicated with the inner side and the outer side of the closed cavity 6, after cold compress is finished, the rotary cap 13 is screwed down to slowly empty cold water in the closed cavity 6, and at the moment, when the annular air bag 5 is deflated, a great amount of cold water does not overflow to dye the mattress 21; when the screw cap 13 is screwed, the rubber sealing ring 14 in the screw cap is abutted against the plastic lining 11 so as to seal the central hole communicated with the closed cavity 6, thereby preventing water leakage in the cold compress process.
The side walls of the annular air bag 5 and the supporting air bag 4 are both glued with a rubber valve core seat 15 for embedding the air supply nozzle 9, a through hole is formed in the rubber valve core seat 15, an annular caulking groove is formed in the hole wall of the through hole, and an annular flange 16 which is in sealing embedding with the annular caulking groove is formed in the outer wall of the air supply nozzle 9.
The air tap 9 is detachably connected with the rubber valve core seat 15, so that the air tap 9 can be replaced when the sealing performance of the air tap 9 is reduced or damaged and needs to be replaced, when the air tap 9 needs to be replaced, the air tap 9 is plugged into the through hole of the rubber valve core seat 15 by a tool and hooked on the annular flange 16 of the air tap 9, then the air tap 9 is pulled outwards forcefully, and a new air tap 9 is plugged into the through hole, so that the annular flange 16 of the air tap 9 is completely embedded into the annular caulking groove.
The device also comprises an inflation mechanism, and the inflation and deflation processes of the annular air bag 5 and the supporting air bag 4 are realized through the inflation mechanism, and the inflation and deflation processes can be specifically divided into two forms of electric operation and manual operation:
if the electric type is adopted, the inflating mechanism can be a small-sized inflator pump, and the automatic inflating and deflating process of the annular air bag 5 and the supporting air bag 4 is realized by controlling the small-sized inflator pump, so that time and labor are saved.
If a manual mode is adopted, the inflation mechanism can be a manual inflation bag 17, no matter the manual inflation bag 17 or a small inflation pump inflates the air tap 9 through a hose 18 and an inflation needle 19, when the manual inflation bag 17 is inflated, the manual inflation bag 17 is pinched by hand once to inflate a little air, the inflation of the annular air bag 5 can be regulated and controlled more flexibly and accurately in this way, and the pressure of the annular air bag 5 to the legs is regulated and controlled accurately through pinching and placing each time.
The manual air bag 17 is inflated and deflated by a directional three-way connector 22, and the directional three-way connector 22 comprises:
the casing body 23 is internally formed with a step-shaped through round hole 24 extending along two ends of the axial direction of the casing body 23, and air inlet holes 25 communicated with the small ends of the step-shaped through round hole 24 and pressure relief holes 26 communicated with the large ends of the step-shaped through round hole 24 are respectively formed on the side walls of the two ends of the casing body 23;
the end cover 27 is fixedly embedded at the large end of the step-shaped through round hole 24, a central hole 28 which is communicated with the outer side and the step-shaped through round hole 24 is formed in the center of the end cover 27, and the central hole 28 and the step-shaped through round hole 24 are coaxial;
the valve core 29 is coaxially arranged in the large end of the stepped through round hole 24, one end of the valve core 29 is slidably inserted into the central hole 28, one end of the valve core 29 away from the end cover 27 is formed with a sealing head 30 for abutting against the stepped through round hole 24, the inner side of the valve core 29 is formed with an air guide hole 31 extending towards the direction away from the sealing head 30, and the side wall of the valve core 29 is formed with an air guide groove 32 communicated with the inner side air guide hole 31;
the first spring 33 is sleeved outside the valve core 29, and two ends of the first spring 33 respectively abut against the sealing head 30 and the end cover 27;
wherein, a one-way ventilation mechanism 34 for supplementing air into the manual air-filling bag 17 is arranged in the air inlet hole 25;
the pressure relief hole 26 is provided therein with a pressure relief mechanism 35 for relieving pressure of air entering the valve core 29.
When the manual air-filled bag 17 is inflated, the valve core 29 is gripped and pinched, air pressure in the process can rush the valve core 29 to enable the valve core 29 to overcome the pressure of the first spring 33, so that the sealing head 30 is separated from the step of the step-shaped through round hole 24, air in the manual air-filled bag 17 enters the large end of the step-shaped through round hole 24 and sequentially passes through the ventilation groove 32 and the air guide hole 31 to complete a single inflation process of the target air-filled bag, after the air in the manual air-filled bag 17 is completely flushed, the first spring 33 forces the valve core 29 to reset to enable the sealing head 30 to be abutted against the step of the step-shaped through round hole 24 again, then the manual air-filled bag 17 is released to enable the valve core 29 to recover to be in an initial shape under the action of self elastic force, the process is integrated, the air is sucked into the manual air-filled bag 17 from the air inlet hole 25 by means of negative pressure, the next inflation process is repeated, and the inflation process can be controlled in a perfect mode through the pinching speed and the force of each time.
The unidirectional ventilation mechanism 34 comprises a valve seat 36 and a plastic membrane 37, a sinking groove 38 for embedding the valve seat 36 is formed at the outer end of the air inlet 25, the valve seat 36 consists of a circular ring part 39 and an arc ring part 40 which are coaxially arranged, one side of the plastic membrane 37 is clamped in a clamping groove 41 formed between the circular ring part 39 and the arc ring part 40, and the plastic membrane 37 can completely cover the inner hole of the circular ring part 39; the valve seat 36 is in interference press connection in the sinking groove 38, one side of the plastic membrane 37 is tightly inserted in the clamping groove 41, and the plastic membrane 37 is prevented from falling off in the process that the plastic membrane 37 is bent and deformed by the outside air.
A crescent-shaped supporting table 42 corresponding to the arc ring portion 40 and used for abutting against the annular portion 39 is formed on one side of the sinking groove 38, and a flat portion 43 used for avoiding the crescent-shaped supporting table 42 is formed on one side of the plastic membrane 37 away from the arc ring portion 40. The final arc ring 40 will be pressed against the bottom of the sink groove 38 during the process of embedding the valve seat 36 into the sink groove 38, and a suspended state will exist between the other side of the circular ring 39 and the sink groove 38, so a crescent-shaped supporting table 42 is processed on the opposite side of the sink groove 38 to support the suspended end of the circular ring 39, and meanwhile, in order to avoid the plastic membrane 37 being blocked by the crescent-shaped supporting table 42 during the air intake process and unable to bend and deform upwards, a flat portion 43 is cut off at the edge of the plastic membrane 37 for avoiding.
In the process of restoring the manual air charging bag 17 from the pinching and flattening state to the initial state, because negative pressure exists in the manual air charging bag 17, the external air pressure is larger than the internal air pressure, so that the external air rushes out of the plastic membrane 37 from outside to inside and is supplemented into the manual air charging bag 17 through the air inlet, and in the process of pinching and flattening the manual air charging bag 17, the air in the manual air charging bag 17 can tightly press the plastic membrane 37 to be attached to the circular ring part 39 so as to cover the air inlet hole 25, and the air is ensured to only rush out of the valve core 29 to enter the air guide hole 31.
The pressure release mechanism 35 includes:
the cylindrical pipe lining 44 is arranged in the pressure relief hole 26, an annular flange 45 for limiting the cylindrical pipe lining 44 is formed at the inner end of the pressure relief hole 26, and a plurality of first sealing rings 46 which are abutted against the inner wall of the pressure relief hole 26 are embedded on the outer wall of the cylindrical pipe lining 44;
the valve rod 47 is arranged on the inner side of the cylindrical pipe lining 44 in a penetrating manner, a gap for air to pass through is reserved between the valve rod 47 and the cylindrical pipe lining 44, one end of the valve rod 47 extending to the stepped through round hole 24 is provided with a limiting head 48, the joint of the limiting head 48 and the valve rod 47 is provided with a second sealing ring 49 for abutting against the lower edge of the cylindrical pipe lining 44, the outer end of the valve rod 47 is fixedly connected with a pressing cap 50, and a part of the pressing cap 50 extends into the pressure relief hole 26 and is in front of the inner wall of the pressure relief hole 26 for air to pass through;
the second spring 51 is sleeved outside the valve rod 47, and two ends of the second spring 51 respectively abut against the pressing cap 50 and the cylindrical tube lining 44;
wherein, the inner diameter of the cylindrical tube lining 44 is smaller than the diameter of the annular flange 45 and the diameter of the limiting head 48 is larger than the diameter of the limiting head 48, and a gap is reserved between the limiting head 48 and the limiting flange.
The pressing cap 50 is provided with two limiting blocks 52 evenly distributed along the circumferential direction at the contact position with the outer end of the pressure relief hole 26, and when the pressing cap 50 is pressed down to touch the bottom, the limiting blocks 52 are abutted against the end part of the pressure relief hole 26, so that the pressure relief hole 26 is prevented from being completely covered by the pressing cap 50, and the air leakage effect is affected.
When the target air bag is required to be deflated, the valve rod 47 is only required to be pressed down by the pressing cap 50, the pressing cap 50 is used for carrying the valve rod 47 to overcome the elasticity of the second spring 51 in the process, the limiting head 48 is used for carrying the second sealing ring 49 which is originally abutted against the cylindrical tube lining 44 to descend, so that the second sealing ring 49 is separated from the lower edge of the cylindrical tube lining 44 for the internal air to pass through, and then the air is sequentially discharged outwards through the gap between the cylindrical tube lining 44 and the valve rod 47 and the gap between the pressing cap 50 and the pressure relief hole 26, so that the pressure relief process is completed, and the target air bag is further relaxed.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A cold compress device with a quick release function for a knee, comprising:
the trousers tube structure with two open ends is made of waterproof cloth, a straight slit opening (2) consistent with the axial direction of the trousers tube structure is arranged on the wall of the trousers tube structure, a waterproof zipper (3) used for opening and closing the straight slit opening (2) is arranged on the straight slit opening (2), and a supporting air bag (4) used for supporting a region in the middle of a knee is arranged on the wall, opposite to the waterproof zipper (3), of the trousers tube structure (1);
the annular air bags (5) are two in number and are respectively and fixedly connected to two ends of the cylindrical bag (1), when the two annular air bags (5) are inflated and are tightly adhered to the skin, a closed cavity (6) for accommodating a refrigerant is formed together with the cylindrical bag (1), and a layer of waterproof silica gel (7) is covered on the outer wall of the annular air bags (5) which is contacted with the skin;
a manual air inflation bag (17) for inflating and deflating the annular air bag (5) and the supporting air bag (4);
wherein, a drain nozzle (8) communicated with the closed cavity (6) is arranged on the bag wall of the cylindrical bag (1);
the annular air bag (5) and the supporting air bag (4) are both provided with air nozzles (9) for inflating and deflating.
2. A cold compress device with a quick-release function for knees according to claim 1, characterized in that the tubular bag (1) is of single-layer structure, and the closed cavity (6) is the area between the inner side of the tubular bag (1) and the two annular air bags (5).
3. A cold compress device with a quick-release function for knees according to claim 1, characterized in that the tubular bag (1) is a double-layer mechanism, the closed cavity (6) is the area between the interlayer of the tubular bag (1) and two annular air bags (5), and the straight slit opening (2) is located on the outer wall of the tubular bag (1).
4. A cold compress device with a knee quick release function according to claim 3, characterized in that the interlayer of the cylindrical bag (1) is a closing part (10) with inner and outer walls in a mutually stuck state at the side far from the waterproof zipper (3), the interlayers at the two sides of the closing part (10) as dividing line are not communicated with each other, and the supporting airbag (4) is arranged at the outer side of the closing part (10).
5. The cold compress device with the knee quick-release function according to claim 1, characterized in that the water drain nozzle (8) is arranged at the low position of the closed cavity (6), the water drain nozzle (8) consists of a plastic inner liner (11), a thread sleeve outer liner (12) and a screw cap (13), the plastic inner liner (11) outwards penetrates through the side wall of the tubular bag (1), the thread sleeve outer liner (12) is fixedly clamped and sleeved on the outer side of the plastic inner liner (11) and the outer ends of the thread sleeve outer liner and the screw sleeve outer liner are flush, the plastic inner liner (11) and the thread sleeve outer liner (12) are clamped on the bag wall of the tubular bag (1) together, and the screw cap (13) is screwed on the end part of the thread sleeve outer liner (12) and can be internally provided with a rubber sealing ring (14) for abutting against the end part of the thread sleeve outer liner (12).
6. The cold compress device with the knee quick-dismantling function according to claim 1, wherein rubber valve core seats (15) for embedding an air supply nozzle (9) are glued on the side walls of the annular air bag (5) and the supporting air bag (4), a through hole is formed in the rubber valve core seat (15), an annular caulking groove is formed in the hole wall of the through hole, and annular flanges (45) (16) which are in sealing jogged with the annular caulking groove are formed in the outer wall of the air nozzle (9).
7. A cold compress device with quick release function for the knee according to claim 1, characterized in that the manual balloon (17) is inflated and deflated by means of a directional three-way connector (22), said directional three-way connector (22) comprising:
the shell body (23) is internally provided with a step-shaped through round hole (24) extending along the two ends of the axial direction of the shell body, and the side walls of the two ends of the shell body (23) are respectively provided with an air inlet hole (25) communicated with the small end of the step-shaped through round hole (24) and a pressure relief hole (26) communicated with the large end of the step-shaped through round hole (24);
the end cover (27) is fixedly embedded at the large end of the step-shaped through round hole (24), a central hole (28) communicated with the outer side and the step-shaped through round hole (24) is formed in the center of the end cover (27), and the central hole (28) and the step-shaped through round hole (24) are coaxial;
the valve core (29) is coaxially arranged in the large end of the stepped through round hole (24), one end of the valve core (29) is slidably inserted into the central hole (28), one end, far away from the end cover (27), of the valve core (29) is provided with a sealing head (30) for abutting against the stepped through round hole (24), the inner side of the valve core (29) is provided with an air guide hole (31) extending towards the direction far away from the sealing head (30), and the side wall of the valve core (29) is provided with an air guide groove (32) communicated with the inner side air guide hole (31);
the first spring (33) is sleeved on the outer side of the valve core (29), and two ends of the first spring (33) respectively abut against the sealing head (30) and the end cover (27);
wherein, a one-way ventilation mechanism (34) for supplementing air into the manual air bag (17) is arranged in the air inlet hole (25);
the pressure relief hole (26) is internally provided with a pressure relief mechanism (35) for relieving pressure of air entering the valve core (29).
8. The cold compress device with the knee quick-release function according to claim 7, wherein the one-way ventilation mechanism (34) comprises a valve seat (36) and a plastic membrane (37), a sinking groove (38) for embedding the valve seat (36) is formed at the outer end of the air inlet hole (25), the valve seat (36) is composed of a circular ring part (39) and an arc ring part (40) which are coaxially arranged, one side of the plastic membrane (37) is clamped in a clamping groove (41) formed between the circular ring part (39) and the arc ring part (40), and the plastic membrane (37) can completely cover an inner hole of the circular ring part (39);
one side of the sinking groove (38) is provided with a crescent supporting table (42) which corresponds to the arc ring part (40) and is used for abutting against the circular ring part (39), and one side of the plastic membrane (37) away from the arc ring part (40) is provided with a flat opening part (43) which is used for avoiding the crescent supporting table (42).
9. A cold compress device with quick-release function for the knee according to claim 7, characterized in that the pressure relief mechanism (35) comprises:
the cylindrical pipe lining (44) is arranged in the pressure relief hole (26), an annular flange (45) for limiting the cylindrical pipe lining (44) is formed at the inner end of the pressure relief hole (26), and a plurality of first sealing rings (46) which are abutted against the inner wall of the pressure relief hole (26) are embedded on the outer wall of the cylindrical pipe lining (44);
the valve rod (47) penetrates through the inner side of the cylindrical pipe lining (44), a gap for air to pass through is reserved between the valve rod (47) and the cylindrical pipe lining (44), a limit head (48) is formed at one end of the valve rod (47) extending to the step-shaped through round hole (24), a second sealing ring (49) for abutting against the lower edge of the cylindrical pipe lining (44) is arranged at the joint of the limit head (48) and the valve rod (47), a pressing cap (50) is fixedly connected to the outer end of the valve rod (47), and a part of the pressing cap (50) extends into the pressure relief hole (26) and is reserved in front of the inner wall of the pressure relief hole (26) for air to pass through;
the second spring (51) is sleeved outside the valve rod (47), and two ends of the second spring (51) respectively abut against the pressing cap (50) and the cylindrical tube lining (44);
the inner diameter of the cylindrical pipe lining (44) is smaller than the diameter of the annular flange (45), the aperture of the cylindrical pipe lining is larger than the diameter of the limiting head (48), and a gap is reserved between the limiting head (48) and the limiting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311099037.XA CN116807734A (en) | 2023-08-30 | 2023-08-30 | Omnibearing cold compress device for continuous knee joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311099037.XA CN116807734A (en) | 2023-08-30 | 2023-08-30 | Omnibearing cold compress device for continuous knee joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116807734A true CN116807734A (en) | 2023-09-29 |
Family
ID=88118810
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311099037.XA Pending CN116807734A (en) | 2023-08-30 | 2023-08-30 | Omnibearing cold compress device for continuous knee joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116807734A (en) |
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| CN205515100U (en) * | 2016-03-07 | 2016-08-31 | 成都科瑞普医疗器械有限公司 | Knee joint cold compress atmospheric pressure brace |
| US20180318120A1 (en) * | 2017-05-03 | 2018-11-08 | Charles Dexter Oliver | U' knee-que ice pack |
| US20200128886A1 (en) * | 2018-10-31 | 2020-04-30 | Miguel Chavarria | Therapeutic Garment |
| CN112107409A (en) * | 2020-08-28 | 2020-12-22 | 右江民族医学院附属医院 | Limb wound low-temperature sterile protection device for emergency department |
| US20200405531A1 (en) * | 2019-06-27 | 2020-12-31 | Stephen Eugene Juaire | Apparatus, system, and method for at least one of icing, heating, and compressing a user's body part |
| US20210007888A1 (en) * | 2017-05-29 | 2021-01-14 | Jarviel Rayford, SR. | Wearable rehabilitation and relaxation aid |
| US20210275350A1 (en) * | 2016-06-18 | 2021-09-09 | Susan B. Orr | Equine cryotherapy dual compartment boot |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976262A (en) * | 1989-01-27 | 1990-12-11 | Jed Palmacci | Ice bag holding device |
| CN2266957Y (en) * | 1996-04-03 | 1997-11-12 | 黄维荣 | Inflated air bag |
| US20160235614A1 (en) * | 2013-08-12 | 2016-08-18 | Neil Kay | Integrated cryotherapy apparatus |
| CN105380694A (en) * | 2015-11-16 | 2016-03-09 | 中国人民解放军第四军医大学 | Visible bandaging fixation device for anterior cubital region skin grafting |
| CN205515100U (en) * | 2016-03-07 | 2016-08-31 | 成都科瑞普医疗器械有限公司 | Knee joint cold compress atmospheric pressure brace |
| US20210275350A1 (en) * | 2016-06-18 | 2021-09-09 | Susan B. Orr | Equine cryotherapy dual compartment boot |
| US20180318120A1 (en) * | 2017-05-03 | 2018-11-08 | Charles Dexter Oliver | U' knee-que ice pack |
| US20210007888A1 (en) * | 2017-05-29 | 2021-01-14 | Jarviel Rayford, SR. | Wearable rehabilitation and relaxation aid |
| US20200128886A1 (en) * | 2018-10-31 | 2020-04-30 | Miguel Chavarria | Therapeutic Garment |
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| CN112107409A (en) * | 2020-08-28 | 2020-12-22 | 右江民族医学院附属医院 | Limb wound low-temperature sterile protection device for emergency department |
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Application publication date: 20230929 |