CN210990697U

CN210990697U - Surgical electrode loop pad cooled by air source

Info

Publication number: CN210990697U
Application number: CN201921675616.3U
Authority: CN
Inventors: 节云峰; 张凡; 谭志大
Original assignee: Chongqing Yingpaier Medical Technology Co ltd
Current assignee: Yingpaier (Chongqing) Medical Technology Co.,Ltd.
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-14
Anticipated expiration: 2029-10-09

Abstract

The utility model provides an operation electrode loop pad cooled by an air source, which comprises an electrode loop pad main body (9), a circulating air pump (10) and an air source cooler (11); the electrode loop pad main body (9) is composed of a first TPU film layer (1), an upper sponge layer (2), a second TPU film layer (3), conductive cloth (4), a third TPU film layer (5), a lower sponge layer (6), a cooling layer (7) and a PU film layer (8) which are sequentially arranged from top to bottom; the cooling layer (7) is internally and uniformly distributed with air ducts (71). The operation electrode loop pad of the utility model has good temperature uniformity, can realize large-area cooling, achieves the purpose of temporarily blocking human blood circulation, and avoids the phenomena of electric leakage and electric shock; simultaneously, the utility model discloses it is more convenient, safe to use, can monitor in real time, the process of operation has been guaranteed more directly perceived, portably.

Description

Surgical electrode loop pad cooled by air source

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an utilize air supply refrigerated operation electrode return circuit pad.

Background

At present, when a high-frequency scalpel is used for carrying out operation on a patient, the mode of forming a high-frequency current loop by the scalpel through a human body and a high-frequency generator of the scalpel is mainly realized as follows: one is a conventional negative plate type, and the other is a capacitive type circuit pad type.

When the capacitive loop pad is used for operation, a high-frequency current generated by the high-frequency generator of the electric knife is used for forming a high-frequency current loop by the body of a patient and the metal cloth conductive polar plate in the loop pad so as to cut and coagulate tissues in the operation. The capacitive loop pad is increasingly used in surgery because it does not need to select a fixed part and is not easy to burn the skin.

Brain surgery requires cooling the human body to temporarily block the blood flow. In general, the optimal temperature for temporarily blocking blood circulation in brain surgery is below 30 ℃, so that the blood supply temperature of a human body is below 30 ℃ during the operation process to ensure the normal operation. The electrode loop pad is used for cooling the human body, and the electrode loop pad, the surgical electrotome and the human body form a high-frequency loop, so that the electric shock, the electric leakage and other damages can be caused when the electrode loop pad is cooled by water or cooling liquid, and the life of a patient can be seriously damaged. Thus, the common water or ice cooling methods are not suitable for surgical electrode circuit pads.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model aims at providing an utilize air supply refrigerated operation electrode return circuit pad, it can cool off, temporarily block human blood at the operation in-process to the human body, simultaneously, can not appear electric leakage and electric shock phenomenon, can not influence the normal clear of operation, has security, reliability more.

The utility model discloses the purpose is realized through following technical scheme:

an operation electrode loop pad cooled by an air source is characterized in that: comprises an electrode loop pad main body, a circulating air pump and an air source cooler; the electrode loop pad main body consists of a first TPU film layer, an upper sponge layer, a second TPU film layer, conductive cloth, a third TPU film layer, a lower sponge layer, a cooling layer and a PU film layer which are sequentially arranged from top to bottom;

wherein, the cooling layer is internally and uniformly provided with air ducts which are inserted and extended from one corner of the cooling layer and are respectively an air inlet pipe and an air outlet pipe; the corners of two adjacent and mutually parallel air guide pipes are in a semi-circular arc shape, and the corners of two mutually perpendicular air guide pipes are in an 1/4 circular arc shape; the semicircular arc far away from the end of the air inlet pipe is close to the edge of the cooling layer, and the semicircular arc close to the end of the air inlet pipe is at a certain distance from the edge of the cooling layer so that the air guide pipe vertically extends out from the lowest end; the diameter of the air duct is 3/4 of the thickness of the cooling layer, and the circle center of the air duct is positioned on the central line of the cooling layer;

the circulating air pump is connected with the cooling layer through the air inlet pipe and the air outlet pipe; the air inlet pipe is sequentially provided with an air valve device a, an air source cooler, a temperature sensor a and a pressure sensor a from far to near the electrode loop pad; the air outlet pipe is sequentially provided with an air valve device b, a temperature sensor b and a pressure sensor b from far to near the electrode loop pad;

for preventing that the air duct from blockking up, guaranteeing the homogeneity of temperature, ensure the temperature that effectively reduces patient's health simultaneously, the thickness on lower part sponge layer is 5 ~ 8mm, the thickness on cooling layer is 9 ~ 10 mm.

Through the design of the semicircular arc shape, the 1/4 circular arc shape and the sponge layer of the air duct, the air duct is ensured not to be blocked due to external pressure when the operation electrode loop pad works, and the stability of air pressure and flow velocity of the air duct is ensured; simultaneously, through the arrangement of air duct position and the setting of air duct size, cooling layer thickness, guarantee the homogeneity of operation electrode return circuit pad temperature, guarantee that operation return circuit pad can carry out the heat exchange fast through the air duct, and then absorb the heat, reduce patient's blood temperature, avoid influencing the operation process because of the temperature of somewhere is too high or low, lead to patient's unexpected damage to appear in the operation in-process.

Through the setting of pneumatic valve, sensor, realize monitoring intake pipe and outlet duct temperature, pressure, and then directly perceived, convenient, swift adjusts and control the temperature and the atmospheric pressure of operation electrode circuit pad, avoids the potential safety hazard among the operation process, ensures that the operation goes on smoothly.

Further, the thicknesses of the first TPU film layer, the second TPU film layer and the third TPU film layer are all 0.2-0.5 mm; the thickness of the upper sponge layer is 1.2-1.7 mm; the thickness of the conductive cloth is 0.1 mm; the thickness of the PU film layer is 0.1-0.5 mm; the total thickness of the electrode circuit pad main body is 16-21.5 mm.

Further, in order to ensure the uniformity of temperature, the distance between the semi-circular arc close to the end of the air inlet pipe and the edge of the cooling layer is 2 times of the distance between two adjacent air guide pipes which are parallel to each other.

Further, in order to ensure that heat is absorbed quickly for cooling, the wall thickness of the air guide pipe is 0.05-0.1 mm.

Further, the air valve device a, the temperature sensor a, the pressure sensor a, the air valve device b, the temperature sensor b and the pressure sensor b are all one.

The utility model discloses has following technological effect:

the utility model provides an operation electrode loop pad cooled by an air source, which is mainly used for brain surgery and cooling the human body, the utility model realizes integration, can set the temperature required by the air source according to the needs of the human body, has high cooling efficiency, does not have the phenomenon of unstable temperature, and has higher efficiency and practicability; compared with cooling by water or cooling liquid, the temperature control device has higher safety, avoids damages such as electric leakage, electric shock and the like, avoids the phenomenon of local supercooling or overheating, has more uniform and safer temperature distribution, and can ensure smooth operation process.

Drawings

Fig. 1 is a schematic view of the overall structure of the surgical electrode circuit pad according to the embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the surgical electrode circuit pad according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the cooling layer of the surgical electrode circuit pad according to the embodiment of the present invention.

Fig. 4 is a partially enlarged view in the direction a of fig. 3.

Wherein, 1, a first TPU film layer; 2. an upper sponge layer; 3. a second TPU film layer; 4. a conductive cloth; 5. a third TPU film layer; 6. a lower sponge layer; 7. a cooling layer; 71. an air duct; 72. a semicircular arc shape; 73. 1/4 circular arc shape; 8. a PU film layer; 9. an electrode circuit pad body; 10. a circulating air pump; 11. an air source cooler; 101. an air inlet pipe; 102. an air outlet pipe; 103. an air valve device a; 104. a temperature sensor a; 105. A pressure sensor a; 106. an air valve device b; 107. a temperature sensor b; 108. and a pressure sensor b.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments.

1-4, a surgical electrode circuit pad cooled by an air supply, comprising: comprises an electrode loop pad main body 9, a circulating air pump 10 and an air source cooler 11; the electrode loop pad main body 9 is composed of a first TPU film layer 1, an upper sponge layer 2, a second TPU film layer 3, a conductive cloth 4, a third TPU film layer 5, a lower sponge layer 6, a cooling layer 7 and a PU film layer 8 which are sequentially arranged from top to bottom;

the cooling layer 7 is internally and uniformly provided with air ducts 71, and the air ducts 71 are inserted into and extend out from one corner of the cooling layer 7 and are respectively an air inlet pipe 101 and an air outlet pipe 102; the corners of two adjacent and parallel air ducts 71 are in a semi-circular arc shape 72, and the corners of two mutually perpendicular air ducts 71 are in an 1/4 circular arc shape 73; the semi-circular arc 72 far away from the end of the air inlet pipe 101 is close to the edge of the cooling layer 7, and the semi-circular arc 72 close to the end of the air inlet pipe 101 is at a certain distance from the edge of the cooling layer 7 so that the air guide pipe 71 vertically extends out from the lowest end; the diameter of the air duct 71 is 3/4 of the thickness of the cooling layer 7, and the circle center of the air duct 71 is located on the central line of the cooling layer 7;

the air circulation pump 10 is connected with the cooling layer 7 through the air inlet pipe 101 and the air outlet pipe 102; the air inlet pipe 101 is sequentially provided with an air valve device a 103, an air source cooler 11, a temperature sensor a104 and a pressure sensor a105 from far to near the electrode circuit pad; the air outlet pipe 102 is sequentially provided with an air valve device b106, a temperature sensor b 107 and a pressure sensor b 108 from far to near the electrode loop pad;

in order to prevent the air duct 71 from being blocked, ensure the uniformity of temperature and simultaneously ensure that the temperature of the body of a patient is effectively reduced, the thickness of the lower sponge layer 6 is 5-8 mm, and the thickness of the cooling layer 7 is 9-10 mm; the thicknesses of the first TPU film layer 1, the second TPU film layer 3 and the third TPU film layer 5 are all 0.2-0.5 mm; the thickness of the upper sponge layer 2 is 1.2-1.7 mm; the thickness of the conductive cloth 4 is 0.1 mm; the thickness of the PU film layer 8 is 0.1-0.5 mm; the total thickness of the electrode loop pad main body 9 is 16-21.5 mm.

As shown in fig. 3, to ensure the uniformity of the temperature, the distance between the semi-circular arc 72 near the end of the air inlet pipe 101 and the edge of the cooling layer 7 is 2 times the distance between two adjacent and parallel air guide pipes 72; the wall thickness of the air duct 71 is 0.05-0.1 mm.

As shown in fig. 4, the air valve device a 103, the temperature sensor a104, the pressure sensor a105, the air valve device b106, the temperature sensor b 107, and the pressure sensor b 108 are all one. The temperature sensor a104, the pressure sensor a105, the temperature sensor b 107 and the pressure sensor b 108 are connected with a control device with a display screen.

In the operation electrode loop pad cooled by air source, the air valve device a 103 and the air valve device b106 are in the closed state in the initial state. When in use, the air source cooler 11 is started and the required reduced temperature is set, then the circulating air pump 10, the air valve device a 103 and the air valve device b106 are slowly opened, and cooling air is input into the operation electrode loop pad and air in the air guide pipe 71 is exhausted; when the values fed back by the temperature sensor a104 and the temperature sensor b 107 are the same and are temperatures required by the operation, the operation electrode loop pad realizes circulating cooling, the operation can be started at the moment, and the temperature of the gas in the operation electrode loop pad cannot rise due to the lapse of time, so that the operation progress is not influenced. After the operation is completed, the air circulation pump 10 and the air valve device a 103 are closed, then the air source cooler 11 is closed, and when the value fed back by the temperature sensor b 107 approaches 0, the air valve device b106 is closed.

The temperature sensor a104 and the temperature sensor b 107 are also used for monitoring the temperature of the air inlet pipe 101 and the air outlet pipe 102 in the operation process, if the temperature difference between the two ends is large, the temperature in the operation electrode loop pad is proved to be increased, cooling needs to be supplied again, and the continuity of the operation is ensured; meanwhile, if the air pressure of the pressure sensor b 108 is far less than that of the pressure sensor a105, it is proved that the air duct 71 in the loop pad has air leakage, and the loop pad needs to be replaced.

The surgical electrode loop pad has good temperature uniformity, can realize large-area cooling, temporarily block human blood circulation, and avoid electric leakage and electric shock; simultaneously, the utility model discloses it is more convenient, safe to use, can monitor in real time, the process of operation has been guaranteed more directly perceived, portably.

Claims

1. An operation electrode loop pad cooled by an air source is characterized in that: comprises an electrode loop pad main body (9), a circulating air pump (10) and an air source cooler (11); the electrode loop pad main body (9) is composed of a first TPU film layer (1), an upper sponge layer (2), a second TPU film layer (3), conductive cloth (4), a third TPU film layer (5), a lower sponge layer (6), a cooling layer (7) and a PU film layer (8) which are sequentially arranged from top to bottom;

wherein, the cooling layer (7) is internally and uniformly provided with air ducts (71), and the air ducts (71) are inserted and extended from one corner of the cooling layer (7) and respectively comprise an air inlet pipe (101) and an air outlet pipe (102); the corners of two adjacent and parallel air ducts (71) are in a semi-circular arc shape (72), and the corners of two mutually perpendicular air ducts (71) are in an 1/4 circular arc shape (73); the semicircular arc (72) far away from the end of the air inlet pipe (101) is close to the edge of the cooling layer (7), and the semicircular arc (72) close to the end of the air inlet pipe (101) has a certain distance with the edge of the cooling layer (7); the diameter of the air duct (71) is 3/4 of the thickness of the cooling layer (7), and the circle center of the air duct (71) is positioned on the central line of the cooling layer (7);

the circulating air pump (10) is connected with the cooling layer (7) through the air inlet pipe (101) and the air outlet pipe (102); the air inlet pipe (101) is sequentially provided with an air valve device a (103), an air source cooler (11), a temperature sensor a (104) and a pressure sensor a (105) from far to near the electrode loop pad; an air valve device b (106), a temperature sensor b (107) and a pressure sensor b (108) are sequentially arranged on the air outlet pipe (102) from far to near the electrode loop pad;

the thickness of lower part sponge layer (6) is 5 ~ 8mm, the thickness of cooling layer (7) is 9 ~ 10 mm.

2. A surgical electrode circuit pad cooled by an air supply as claimed in claim 1, wherein: the thicknesses of the first TPU film layer (1), the second TPU film layer (3) and the third TPU film layer (5) are all 0.2-0.5 mm; the thickness of the upper sponge layer (2) is 1.2-1.7 mm; the thickness of the conductive cloth (4) is 0.1 mm; the thickness of the PU film layer (8) is 0.1-0.5 mm; the total thickness of the electrode circuit pad main body (9) is 16-21.5 mm.

3. A surgical electrode circuit pad cooled by an air supply as claimed in claim 2, wherein: the distance between the semicircular arc (72) close to the end of the air inlet pipe (101) and the edge of the cooling layer (7) is 2 times of the distance between two adjacent parallel air guide pipes (71).

4. A surgical electrode circuit pad cooled by an air supply as claimed in claim 3, wherein: the wall thickness of the air duct (71) is 0.05-0.1 mm.

5. A surgical electrode circuit pad cooled by an air supply as claimed in claim 4, wherein: the gas valve device a (103), the temperature sensor a (104), the pressure sensor a (105), the gas valve device b (106), the temperature sensor b (107) and the pressure sensor b (108) are all one.