Surgical device for identifying arteriovenous and luminal organs

Abstract

The utility model discloses a surgical device for identifying arteriovenous and luminal organs, which comprises a shell, a switch arranged on the shell, a power line and a data line arranged at the rear end of the shell, the data line is electrically connected with a processor, a detection probe is arranged at the front end of the shell, an ultrasonic wave group and a light group are arranged on the detection probe, and the ultrasonic wave group and the light group are electrically connected with the processor. The ultrasonic wave group is used for detecting blood flow velocity, and the light group is used for detecting oxyhemoglobin saturation. The utility model has the beneficial effects that the blood flow velocity is detected through the ultrasonic wave group, then the oxyhemoglobin saturation is detected through the light group, the detection signal is transmitted to the processor through the data line, and the processor judges the detection signal according to the existing logistic algorithm, so that the artery, vein or lumen visceral organs are distinguished, the blood vessel is prevented from being accidentally injured, and the accuracy of blood flow detection is improved. And the operation difficulty is reduced.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a surgical device for identifying arteries, veins and luminal organs. Background Technology

[0002] With the development of technology, laparoscopic surgery, with its advantages of being minimally invasive, providing clear visualization, and being convenient, has gradually become the mainstream surgical method for various abdominal organ surgeries. In human anatomy, arteries and veins often coexist in many organs. Different surgeries have different requirements for the transection and preservation of arteries and veins. Excessive transection of arteries may affect the blood vessels of organs and impact surgical outcomes. Furthermore, some luminal organs, such as the ureter and cystic duct, may resemble blood vessels before being completely dissected. Accidental injury to these organs can increase surgical time and even cause postoperative complications, increasing patient suffering. Currently, in anatomical surgeries, surgeons often rely on experience to determine the location of blood vessels, the color of the vascular sheath, and the presence of pulsation, while also using magnified laparoscopic images for assistance. However, some patients have anatomical variations, potentially including multiple arteries and veins. In some patients, the color difference in the vascular sheath is not obvious, and arterial pulsation may be subtle during anesthesia when blood pressure is not high. These factors all increase the probability of accidental injury to blood vessels, increasing the difficulty of the surgery. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a surgical device for identifying arteries, veins and luminal organs.

[0004] The purpose of this utility model is achieved through the following technical solution: a surgical device for identifying arteries, veins and luminal organs, including a housing, a switch on the housing, a power cord and a data cord at the rear end of the housing, the data cord being electrically connected to a processor, and a detection probe at the front end of the housing, the detection probe being equipped with an ultrasonic group and an optical group, the ultrasonic group being used to detect blood flow velocity, and the optical group being used to detect blood oxygen saturation.

[0005] Preferably, the ultrasonic array includes an ultrasonic transmitter and an ultrasonic receiver, both of which are disposed on the upper layer of the detection probe.

[0006] Preferably, the light group includes a red LED, an infrared LED, and a light sensor. The red LED and the infrared LED are both disposed on the upper layer of the detection probe and are located on the side of the ultrasound receiver. The light sensor is disposed on the lower layer of the detection probe and is used to receive red light and infrared light passing through the blood vessel.

[0007] Preferably, the red LED emits 665 nanometers of red light.

[0008] Preferably, the infrared LED emits infrared light at a wavelength of 880 nanometers.

[0009] This invention has the following advantages: It uses an ultrasonic wave group to detect blood flow velocity and an optical wave group to detect blood oxygen saturation. The detection signals are then transmitted to a processor via a data cable. The processor uses an existing logistic algorithm to judge the detection signals, thereby distinguishing between arteries, veins, or vascular organs, avoiding accidental damage to blood vessels, and reducing the difficulty of surgery. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the surgical device.

[0011] Figure 2 This is a schematic diagram of the detection probe.

[0012] In the diagram, 1-detection probe, 2-switch, 3-data cable, 4-power cable, 5-processor, 6-ultrasonic transmitter, 7-ultrasonic receiver, 8-red LED, 9-infrared LED, 10-light sensor. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0014] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0015] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0016] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0017] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0018] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] In this embodiment, as Figure 1 As shown, a surgical device for identifying arteries, veins, and luminal organs includes a housing with a switch 2. A power cord 4 and a data cord 3 are located at the rear of the housing, with the data cord 3 electrically connected to a processor 5. A detection probe 1 is located at the front of the housing, equipped with an ultrasonic wave group and an optical wave group. The ultrasonic wave group detects blood flow velocity, and the optical wave group detects blood oxygen saturation. The power cord 4 is connected to an external power source. Pressing the switch 2 sends a detection command to the detection probe 1, causing the ultrasonic wave group to detect blood flow velocity and the optical wave group to detect blood oxygen saturation. The detection signals are transmitted to the processor 5 via the data cord 3. The processor 5 uses an existing logistic algorithm to analyze the detection signals, thereby distinguishing between arteries, veins, and luminal organs, avoiding accidental damage to blood vessels, and reducing the difficulty of the surgery.

[0020] Furthermore, such as Figure 2 As shown, the ultrasound array includes an ultrasound transmitter 6 and an ultrasound receiver 7, both positioned above the detection probe 1. Specifically, the ultrasound transmitter 6 emits ultrasound waves, and the receiver 7 receives the returned waves. The Doppler principle is then used to detect the blood flow velocity, calculated using the following formula:

[0021] ;

[0022] in, For the transmission frequency, The speed of sound (1540 m / s). For the frequency to be received, The angle between the blood flow and the sound beam is the angle between the blood flow and the sound beam. In other words, this formula calculates the frequency change caused by the blood flow velocity, thereby estimating the blood flow velocity. This is an existing method, and it has not been improved, so it will not be elaborated further.

[0023] Furthermore, the optical assembly includes a red LED 8, an infrared LED 9, and a light sensor 10. Both the red LED 8 and the infrared LED 9 are positioned on the upper layer of the detection probe 1, and are located on one side of the ultrasound receiver 7. Preferably, the red LED 8 emits 665 nm red light, and the infrared LED 9 emits 880 nm infrared light. The light sensor 10 is positioned on the lower layer of the detection probe 1 and is used to receive the red and infrared light passing through the blood vessel. Specifically, a red LED 8 emits 665 nm red light, and an infrared LED 9 emits 880 nm infrared light. A photosensor 10 receives the red and infrared light passing through the blood vessels. Since hemoglobin-oxygenated blood (HbO2) absorbs very little 665 nm red light, but unbound hemoglobin-oxygenated blood (Hb) absorbs it very well, the absorption of 880 nm infrared light is minimal for both HbO2 and Hb. When red light passes through the blood vessels, more HbO2 results in more light passing through, and thus more light is received by the photosensor 10; conversely, less HbO2 results in less light received. For infrared light, the amount of light passing through remains relatively constant regardless of whether it's HbO2 or Hb. Therefore, by using the infrared light transmittance as a baseline, the ratio of HbO2 to Hb, i.e., blood oxygen saturation, can be calculated based on the ratio of red light to infrared light received by the photosensor 10.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A surgical device for identifying arteries, veins, and luminal organs, comprising a housing, a switch (2) disposed on the housing, a power cord (4) and a data cord (3) disposed at the rear end of the housing, the data cord (3) being electrically connected to a processor (5), characterized in that: The front end of the housing is provided with a detection probe (1), and the detection probe (1) is provided with an ultrasonic group and an optical group. The ultrasonic group is used to detect blood flow velocity, and the optical group is used to detect blood oxygen saturation.

2. The surgical device for identifying arteries, veins, and luminal organs according to claim 1, characterized in that: The ultrasonic array includes an ultrasonic transmitter (6) and an ultrasonic receiver (7), both of which are located on the upper layer of the detection probe (1).

3. The surgical device for identifying arteries, veins, and luminal organs according to claim 2, characterized in that: The light group includes a red LED (8), an infrared LED (9), and a light sensor (10). The red LED (8) and the infrared LED (9) are both disposed on the upper layer of the detection probe (1) and are located on one side of the ultrasound receiver (7). The light sensor (10) is disposed on the lower layer of the detection probe (1) and is used to receive red light and infrared light passing through the blood vessels.

4. The surgical device for identifying arteries, veins, and luminal organs according to claim 3, characterized in that: The red LED (8) emits 665 nanometers of red light.

5. The surgical device for identifying arteries, veins, and luminal organs according to claim 4, characterized in that: The infrared LED (9) emits infrared light at 880 nanometers.

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