Active heat preservation water cushion for surgical patient

Abstract

The invention relates to the technical field of heat preservation water cushions, in particular to an active heat preservation water cushion for a surgical patient, which comprises an external constant-temperature host and a water cushion assembly, the external constant-temperature host comprises a heating assembly, a circulating water pump and an exhaust device, the heating assembly is connected with a water outlet pipe and a water inlet pipe, and the water outlet pipe is connected with the water inlet end of the circulating water pump; the water outlet end of the circulating water pump is connected with a water supply pipeline, and the sterile distilled water is driven by an external constant-temperature host to circularly flow in the multi-layer TPU water bag and is heated, so that the core body temperature of a patient during an operation is maintained. The water cushion adopts a disposable latex-free design, the surface of the water cushion is covered with a medical silica gel antibacterial layer, and X-ray-penetrable barium sulfate lines are embedded in the water cushion; the ergonomic partition supporting structure reduces the risk of pressure sores and is suitable for surgery scenes such as the orthopedics department and the laparoscope needing intraoperative fluoroscopy. The method has the technical advantages that the hospital infection risk is avoided, the body temperature fluctuation during operation is reduced by 80%, and the X-ray shielding rate lt is reduced; 5%.

Description

Technical Field

[0001] This invention relates to the field of thermal pad technology, specifically to an active thermal pad for surgical patients. Background Technology

[0002] Operating room patient temperature management equipment is particularly suitable for orthopedic and thoracic surgeries that require intraoperative X-ray fluoroscopy, as traditional temperature management equipment has shortcomings.

[0003] Existing defects:

[0004] - Inflatable thermal blankets: Pressure can obstruct local blood flow (27% of patients experienced skin redness due to pressure);

[0005] - Reusable circulating water pads: 15% of nosocomial infections originate from disinfection residues (YY / T 0505 test failure rate 12%);

[0006] - Metal heating wire heating pad: X-ray obstruction rate >40%, affecting intraoperative fluoroscopy.

[0007] - Necessity of innovation: 60% of surgical patients experience hypothermia, leading to complications such as coagulation dysfunction and delayed postoperative recovery. Summary of the Invention

[0008] The purpose of this section is to outline some aspects of the embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0009] In view of the problems existing in current active warming water pads for surgical patients, this invention is proposed.

[0010] Therefore, the purpose of this invention is to provide an active warming water pad for surgical patients. This pad uses an external constant-temperature unit to drive the circulation and heating of sterile distilled water within a multi-layered TPU water bladder, thus maintaining the patient's core body temperature during surgery. The water pad features a disposable, latex-free design, with a medical-grade silicone antibacterial layer on the surface and embedded X-ray-permeable barium sulfate filaments. Its ergonomic, zoned support structure reduces the risk of pressure ulcers, making it suitable for surgical scenarios requiring intraoperative fluoroscopy, such as orthopedic and laparoscopic surgeries. Technical advantages: zero risk of hospital-acquired infections, 80% reduction in intraoperative body temperature fluctuations, and X-ray obstruction rate <5%.

[0011] To address the aforementioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0012] A surgical patient active warming water pad, comprising an external constant temperature host and a water pad assembly;

[0013] The external thermostatic unit includes a heating element, a circulating water pump, and an exhaust device. The heating element is connected to an outlet pipe and an inlet pipe. The outlet pipe is connected to the inlet of the circulating water pump, and the inlet pipe is connected to the top of the exhaust device. The outlet of the circulating water pump is connected to a water supply pipe, and the other end of the return pipe is connected to the exhaust device. The bottom of the exhaust device is connected to a return pipe. A water storage tank is located at the rear of the external thermostatic unit, and the water storage tank is connected to the inlet of the circulating water pump via a water replenishment pipe. A door is rotatably connected to the front of the external thermostatic unit. A display screen is mounted on the front surface of the door, and a control module is mounted on the rear surface of the door. The water supply and return pipes are connected to a water cushion assembly. The water cushion assembly consists of a silicone layer, a barium sulfate line, and a water bladder, arranged sequentially from top to bottom. A support groove is formed at the bottom of the silicone layer, the water bladder is located within the support groove, and the barium sulfate line is located between the silicone layer and the water bladder.

[0014] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the heating component includes a main body, on which a circulation channel is provided, and a heating element is disposed within the circulation channel. Both the circulation channel and the heating element have a spiral structure.

[0015] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the water tank includes a transparent outer shell and a water inlet, and a sealing cap is screwed onto the water inlet.

[0016] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the water bladder includes a head support area, an upper body support area, and a lower body support area. The head support area, upper body support area, and lower body support area are provided with water inlet and water outlet interfaces. The water inlet interface is connected to a water supply pipe, and the water outlet interface is connected to a return water pipe.

[0017] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the inner cavities of the head support area, upper body support area, and lower body support area are equipped with temperature sensors and pressure sensors. The pressure sensors and temperature sensors are connected to a control module via wires, and the control module is connected to a display screen.

[0018] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the top of the silicone layer is provided with anti-slip texture, and the edges of the silicone layer and the water bladder are curved upwards at a 15° arc.

[0019] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, the water bladder is specifically composed of three layers of TPU film heat-sealed together, and methylene blue colorant is filled between the top layer and the middle layer of TPU film.

[0020] As a preferred embodiment of the active warming water pad for surgical patients described in this invention, its usage process is as follows:

[0021] Step 1: Unpack the water pad assembly and quickly connect the water supply and return pipes on the external thermostat unit to the water pad assembly;

[0022] Step 2: The patient lies supine on the water mat, and the pressure in the head area is adjusted to 15 mmHg and the pressure in the trunk area to 25 mmHg;

[0023] Step 3: Start the external thermostat, maintain a constant flow of water at 40℃, and keep the core temperature at 36.8±0.2℃;

[0024] Step 4: Intraoperative C-arm fluoroscopy, hip joint image clarity score 4.8 / 5

[0025] Compared with existing technologies, the advantages of this invention are: It maintains the patient's core body temperature during surgery by using an external constant-temperature unit to drive the circulation and heating of sterile distilled water within a multi-layered TPU water cushion. The water cushion features a disposable latex-free design, with a medical-grade antibacterial silicone layer on the surface and embedded X-ray-permeable barium sulfate filaments. Its ergonomic, zoned support structure reduces the risk of pressure ulcers, making it suitable for surgical scenarios requiring intraoperative fluoroscopy, such as orthopedic and laparoscopic surgeries. Technical advantages: zero risk of hospital-acquired infections, 80% reduction in intraoperative body temperature fluctuations, and X-ray obstruction rate <5%. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0027] Figure 1 This is a schematic diagram of the structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the three-dimensional structure of the external constant temperature host of the present invention;

[0029] Figure 3 This is a cross-sectional view of the external constant temperature host of the present invention;

[0030] Figure 4 This is a schematic diagram of the three-dimensional structure of the door body of the present invention;

[0031] Figure 5 This is a three-dimensional structural diagram of the water cushion assembly of the present invention;

[0032] Figure 6 This is a schematic diagram of the three-dimensional structure of the silicone layer of the present invention;

[0033] Figure 7 This is a schematic diagram of the three-dimensional structure of the water bladder of the present invention;

[0034] Figure 8 This is a schematic diagram of the cross-sectional structure of the water bladder of the present invention;

[0035] Figure 9 This is a schematic diagram of the location and structure of the barium sulfate line in this invention.

[0036] In the diagram: 100 External constant temperature host, 110 Heating component, 111 Main body, 112 Circulation channel, 113 Heating element, 120 Water outlet pipe, 130 Circulating water pump, 140 Water supply pipeline, 150 Exhaust device, 151 Water inlet pipe, 160 Water return pipeline, 170 Water replenishment pipeline, 180 Water storage tank, 181 Transparent outer shell, 190 Water inlet, 200 Door, 210 Display screen, 220 Control module, 300 Water pad assembly, 310 Silicone layer, 311 Support groove, 320 Water bladder, 321 Head support area, 322 Upper body support area, 323 Lower body support area, 330 Water inlet interface, 340 Water outlet interface, 350 Temperature sensor, 360 Pressure sensor, 370 Barium sulfate wire. Detailed Implementation

[0037] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0038] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0039] Secondly, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of the present invention. In addition, actual fabrication should include three-dimensional spatial dimensions of length, width, and depth.

[0040] To make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0041] This invention provides the following technical solution: an active warming water pad for surgical patients. During use, an external constant temperature unit drives sterile distilled water to circulate and heat within a multi-layered TPU water bladder, maintaining the patient's core body temperature during surgery. The water pad features a disposable latex-free design, with a medical-grade silicone antibacterial layer on the surface and embedded X-ray-permeable barium sulfate filaments. Its ergonomic, zoned support structure reduces the risk of pressure ulcers, making it suitable for orthopedic, laparoscopic, and other surgical scenarios requiring intraoperative fluoroscopy. Technical advantages: zero risk of hospital-acquired infections, 80% reduction in intraoperative body temperature fluctuations, and X-ray obstruction rate <5%.

[0042] Figures 1-9 The diagram shown is a structural schematic of a first embodiment of the active warming water pad for surgical patients according to the present invention. Please refer to [link / reference]. Figures 1-9 The active warming water pad for surgical patients according to this embodiment includes an external constant temperature host 100 and a water pad assembly 300 in its main unit.

[0043] The external thermostatic unit 100 includes a heating element 110, a circulating water pump 130, and an exhaust device 150. The heating element 110 is connected to an outlet pipe 120 and an inlet pipe 151. The outlet pipe 120 is connected to the inlet of the circulating water pump 130, and the inlet pipe 151 is connected to the top of the exhaust device 150. The outlet of the circulating water pump 130 is connected to a water supply pipe 140. A return water pipe 160 is connected to the bottom of the exhaust device 150. A water storage tank 180 is located at the rear of the external thermostatic unit 100. The water storage tank 180 is connected to the inlet of the circulating water pump 130 via a water replenishment pipe 170. The water-end connection is provided. The front of the external constant temperature host 100 is rotatably connected to the door body 200. The front surface of the door body 200 is equipped with a display screen 210, and the rear surface of the door body 200 is equipped with a control module 220. The water supply pipe 140 and the return water pipe 160 are connected to the water pad assembly 300. The water pad assembly 300 is provided with a silicone layer 310, a barium sulfate line 370 and a water bladder 320 from top to bottom. The bottom of the silicone layer 310 is provided with a bearing groove 311. The water bladder 320 is located in the inner cavity of the bearing groove 311. The barium sulfate line 370 is located between the silicone layer 310 and the water bladder 320.

[0044] The heating assembly 110 includes a main body 111, on which a circulation channel 112 is formed, and a heating element 113 is disposed within the circulation channel 112. Both the circulation channel 112 and the heating element 113 have a spiral structure. The water storage tank 180 includes a transparent outer shell 181 and a water inlet 190, with a sealing cap screwed onto the water inlet 190. The water bladder 320 includes a head support area 321, an upper body support area 322, and a lower body support area 323. The head support area 321, upper body support area 322, and lower body support area 323 are provided with a water inlet 330 and a water outlet 340. The water inlet 330 is connected to the water supply pipe 14. 0. The water outlet 340 is connected to the return water pipe 160. The inner cavity of the head support area 321, upper body support area 322 and lower body support area 323 is equipped with a temperature sensor 350 and a pressure sensor 360. The pressure sensor 360 and the temperature sensor 350 are connected to the control module 220 through wires. The control module 220 is connected to the display screen 210. The top of the silicone layer 310 is provided with anti-slip texture, and the edges of the silicone layer 310 and the water bladder 320 are curved upward at 15°. The water bladder 320 is specifically composed of three layers of TPU film heat-sealed, and methylene blue colorant is filled between the top layer and the middle layer of TPU film.

[0045] An external thermostatic unit 100 is used to support the heating element 110, the circulating water pump 130, and the exhaust device 150. The heating element 110 is used to heat sterile distilled water. The main body 111 is used to form a circulation channel 112, which supports the heating element 113. The heating element 113 is used to heat sterile distilled water. The outlet pipe 120 is used to connect to the circulating water pump 130, which is used to transport the heated sterile distilled water to the water supply pipe 140. The water supply pipe 140 is used to connect to the water bladder 320. The connecting pipe is used to connect the exhaust device 150 and the heating element 110. The return water pipe 160 is used to connect the exhaust device 150 and the water bag 320. The water supply pipe 170 is used to connect the circulating water pump 130 and the water storage tank 180. The water storage tank 180 is used to store sterile distilled water. The transparent outer shell 181 is used to facilitate observation of the water storage tank 180. The water inlet 190 is used to add sterile distilled water. The door 200 is used to support the display screen 210 and the control module 220. The display screen 210 is used to display the values ​​detected by the temperature sensor 350 and the pressure sensor 360. The control module 220 is used to connect the display screen 210 and the temperature sensor 350 and the pressure sensor 360.

[0046] The water cushion assembly 300 is used to support the patient and, together with the external constant temperature host 100, maintains the patient's core body temperature during surgery (target 37℃±0.3℃). The silicone layer 310 adopts an antibacterial design (antibacterial rate >99.9%). The support groove 311 is used to support the water bag 320. The water bag 320 is used to support the patient and maintain temperature through the circulation of sterile distilled water inside. The pressure inside the head support area 321, upper body support area 322, and lower body support area 323 is independently controlled. The water inlet 330 is used to connect to the water supply pipe 140, and the water outlet 340 is used to connect to the water inlet pipe 151. The temperature sensor 350 is used to detect the stability inside the water bag 320, and the pressure sensor 360 is used to detect the pressure inside the water bag 320, which facilitates the control of the pressure and water temperature inside the water bag 320. The barium sulfate lines 370 are arranged in parallel (line width ≤0.1mm, spacing 5cm), and the radiolucent area accounts for ≥95%.

[0047] Usage process:

[0048] Step 1: Unpack the water pad assembly 300 and quickly connect the water supply pipe 140 and return pipe 160 on the external thermostat 100 to the water pad assembly 300 (operation time < 1 min).

[0049] Step 2: The patient lies supine on the water mattress assembly 300, and the pressure in the head area is adjusted to 15 mmHg and the pressure in the trunk area to 25 mmHg;

[0050] Step 3: Start the external thermostat 100, maintain a constant flow of water at 40℃, and keep the core temperature at 36.8±0.2℃;

[0051] Step 4: Intraoperative C-arm fluoroscopy, hip joint image clarity score 4.8 / 5 (3.2 / 5 in the traditional electric blanket group).

[0052] Working Principle: An external constant temperature unit 100 drives the circulation and heating of sterile distilled water within a multi-layered TPU water bag 320, maintaining the patient's core body temperature during surgery. The water bag 320 is composed of a disposable three-layer TPU membrane, with a medical-grade antibacterial silicone layer on the surface and an embedded X-ray-permeable barium sulfate 370. Its ergonomic, zoned support structure reduces the risk of pressure ulcers, making it suitable for orthopedic, laparoscopic, and other surgical procedures requiring intraoperative fluoroscopy. Technical Advantages: Zero risk of hospital-acquired infections, 80% reduction in intraoperative body temperature fluctuations, and X-ray obstruction rate <5%.

[0053] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The control method of this invention is through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming. It should be noted that the electrical components mentioned in this invention have been sorted according to the actual situation during manufacturing, so as not to cause the wire harness to become tangled or affect the operation. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0054] In the description of this invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A surgical patient active warming water pad, characterized in that: Includes an external thermostat unit (100) and a water pad assembly (300); The external thermostatic host (100) includes a heating element (110), a circulating water pump (130), and an exhaust device (150). The heating element (110) is connected to an outlet pipe (120) and an inlet pipe (151). The outlet pipe (120) is connected to the inlet end of the circulating water pump (130), and the inlet pipe (151) is connected to the top of the exhaust device (150). The outlet end of the circulating water pump (130) is connected to a water supply pipe (140). The bottom of the exhaust device (150) is connected to a return water pipe (160). A water storage tank (180) is located at the rear of the external thermostatic host (100). The water storage tank (180) is connected to the inlet end of the circulating water pump (130) via a water replenishment pipe (170). The external thermostat host (100) is rotatably connected to a door (200) at the front. A display screen (210) is installed on the front surface of the door (200), and a control module (220) is installed on the rear surface of the door (200). The water supply pipe (140) and the return water pipe (160) are connected to the water pad assembly (300). The water pad assembly (300) is provided with a silicone layer (310), a barium sulfate line (370), and a water bladder (320) from top to bottom. A bearing groove (311) is opened at the bottom of the silicone layer (310). The water bladder (320) is located in the inner cavity of the bearing groove (311), and the barium sulfate line (370) is located between the silicone layer (310) and the water bladder (320).

2. The active warming water pad for surgical patients according to claim 1, characterized in that: The heating component (110) includes a main body (111), on which a circulation channel (112) is provided, and a heating element (113) is provided in the circulation channel (112). Both the circulation channel (112) and the heating element (113) are spiral structures.

3. The active warming water pad for surgical patients according to claim 1, characterized in that: The water storage tank (180) includes a transparent outer shell (181) and a water inlet (190), and a sealing cap is screwed onto the water inlet (190).

4. The active warming water pad for surgical patients according to claim 1, characterized in that: The water bladder (320) includes a head support area (321), an upper body support area (322) and a lower body support area (323). The head support area (321), the upper body support area (322) and the lower body support area (323) are provided with a water inlet (330) and a water outlet (340). The water inlet (330) is connected to the water supply pipe (140) and the water outlet (340) is connected to the return water pipe (160).

5. The active warming water pad for surgical patients according to claim 4, characterized in that: Temperature sensors (350) and pressure sensors (360) are installed in the inner cavities of the head support area (321), upper body support area (322) and lower body support area (323). The pressure sensors (360) and temperature sensors (350) are connected to the control module (220) via wires. The control module (220) is connected to the display screen (210).

6. The active warming water pad for surgical patients according to claim 1, characterized in that: The top of the silicone layer (310) has anti-slip texture, and the edges of the silicone layer (310) and the water bladder (320) are curved upwards at a 15° arc.

7. The active warming water pad for surgical patients according to claim 1, characterized in that: The water bladder (320) is specifically composed of three layers of TPU film heat-sealed together, and methylene blue colorant is filled between the top layer and the middle layer of TPU film.

8. The procedure for using an active warming water pad for surgical patients according to claims 1-7 is as follows: Step 1: Unpack the water pad assembly (300) and quickly connect the water supply pipe (140) and return water pipe (160) on the external thermostat (100) to the water pad assembly (300); Step 2: The patient lies supine on the water mat, and the pressure in the head area is adjusted to 15 mmHg and the pressure in the trunk area to 25 mmHg; Step 3: Start the external thermostat (100) host, the water temperature is 40℃ constant flow circulation, and the core body temperature is maintained at 36.8±0.2℃; Step 4: Intraoperative C-arm fluoroscopy, hip joint image clarity score 4.8 / 5.

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