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KR-20260065326-A - Surgical instruments with straight flow path

KR20260065326AKR 20260065326 AKR20260065326 AKR 20260065326AKR-20260065326-A

Abstract

The present invention relates to a suction cleaning device having a straight flow path, and in particular, when supplying a cleaning solution to a surgical site to suction and discharge contaminated water formed by electrical cauterization of the lesion tissue in the surgical site or to secure the surgeon's field of vision, the flow path through which the contaminated water and the cleaning solution flow is aligned in a straight line, thereby having the effect of preventing a decrease in flow rate.

Inventors

  • 김사량
  • 홍완기

Assignees

  • 국립강릉원주대학교산학협력단

Dates

Publication Date
20260508
Application Date
20241101

Claims (6)

  1. A main body (100) equipped with a suction button (110) and a cleaning button (120); An insertion tube (200) installed at the front of the main body (100) and inserted into the patient's body; A suction tube (300) installed at the rear of the main body (100) to suck up contaminated water; A cleaning tube (400) installed at the rear of the main body (100) to supply cleaning fluid; A suction port (511) connected to the suction tube (300) is provided with a straight suction channel (511a) through which contaminated water flows, and a cleaning port (512) connected to the cleaning tube (400) is provided with a straight cleaning channel (512a) through which cleaning liquid flows, and a switch valve unit (500) that opens the straight suction channel (511a) or the straight cleaning channel (512a) when the suction button (110) or the cleaning button (120) is pressed; A suction cleaning device having a straight path, characterized by comprising: a tube connector (600) installed in the switch valve unit (500) to guide contaminated water supplied from the insertion tube (200) to the straight suction path (511a) of the suction port (511) and to guide cleaning liquid supplied through the straight cleaning path (512a) of the cleaning port (512) to the insertion tube (200).
  2. In claim 1, The above switch valve unit (500) comprises a cleaning switch body (510) having a suction port (511) and a cleaning port (512) arranged vertically and a tube connector (600) installed on the side; A suction switch body (520) spaced apart from the cleaning switch body (510) and connected through the suction port (511); A cleaning switch bar (530) inserted inside the cleaning switch body (510), with its upper end connected to the cleaning button (120) and having a cleaning hole (531) formed that communicates with the straight cleaning channel (512a) of the cleaning port (512) when the cleaning button (120) is pressed, and a first suction hole (532) formed on the upper side of the cleaning hole (531) that is longer in the vertical direction than the cleaning hole (531); A suction cleaning device having a straight path, characterized by comprising: a suction switch bar (540) inserted inside the suction switch body (520), with its upper end connected to the suction button (110), and having a second suction hole (541) formed therein that communicates with the first suction hole (532) while communicating with the straight suction path (511a) of the suction port (511) when the suction button (110) is pressed.
  3. In claim 2, A suction cleaning device having a straight flow path, characterized in that the cleaning switch bar (530) and the suction switch bar (540) are inserted into the interior through the open bottom surfaces of the cleaning switch body (510) and the suction switch body (520) and move in the up and down direction, and the open bottom surfaces of the cleaning switch body (510) and the suction switch body (520) are each sealed by two support plates (130) installed inside the main body (100).
  4. In claim 1, A suction cleaning device having a straight flow path, characterized in that the inner surface of the tube connector (600) is formed at an angle, and as it moves away from the switch valve unit (500) and closer to the insertion tube (200), its inner width gradually decreases.
  5. In claim 1, A suction cleaning device having a straight flow path, characterized in that an insertion tube connector (700) and a connecting tube (800) are installed between the insertion tube (200) and the tube connector (600).
  6. In claim 5, A suction cleaning device having a straight flow path, characterized in that a mounting groove (710) is formed on the outer surface of the insertion tube connector (700), and the front portion of the main body (100) is inserted into the mounting groove (710).

Description

Suction cleaning device with a straight flow path {Surgical instruments with straight flow path} The present invention relates to a suction irrigation device that enables the surgeon to secure a clear view by suctioning contaminated water formed by the electrical cauterization of lesion tissue at a surgical site and supplying a cleaning solution. In particular, the invention relates to a suction irrigation device having a straight flow path that prevents a decrease in flow rate by making the flow path through which the contaminated water and cleaning solution flow in a straight line. This project (result) is the result of the Phase 3 Leading University Industry-Academic Cooperation Project (LINC 3.0), funded by the Ministry of Education and the National Research Foundation of Korea. Laparoscopic surgery is a surgical technique performed by making an incision of 0.5 to 1.5 cm in the abdomen to secure a view using an endoscopic camera and inserting various surgical instruments, such as laparoscopic surgical forceps, ultrasonic cutters, and suction irrigation devices, into the abdominal cavity. Laparoscopic surgery is a minimally invasive surgery that has the advantage of leaving fewer scars and causing less pain compared to general open surgery, and also has a faster recovery rate for the patient. It is currently the most widely used surgical technique and is primarily utilized in surgical procedures such as surgery for gallstones, cholecystitis, and colorectal cancer. Meanwhile, the suction and cleaning device is a surgical instrument used for the discharge of various contaminants generated at the surgical site and for cleaning the surgical site. As shown in FIG. 1, a switch valve unit is installed between the insertion tube inserted into the surgical site of the patient's body and the tubes (suction tube and cleaning tube) that discharge contaminated water or supply cleaning fluid, thereby allowing suction and cleaning to be performed by selectively determining the flow path. However, most switch valve units used in conventional suction cleaning devices have a structure in which the flow path of cleaning water or contaminated water is sharply bent, or in which the flow path undergoes rapid expansion and contraction, which causes problems such as reduced fluid flow and loss of flow rate. FIG. 1 is a figure showing the flow of contaminated water and cleaning liquid in a suction cleaning device according to the prior art. FIG. 2 is a perspective view showing a suction cleaning device having a straight flow path according to the present invention. FIG. 3 is an exploded view of the suction cleaning device shown in FIG. 1. Figure 4 is a figure showing the flow of cleaning liquid and contaminated water in the suction cleaning device illustrated in Figure 1. Figure 5 is a more simplified drawing of the flow of cleaning solution and contaminated water shown in Figure 4. Hereinafter, an embodiment of a suction cleaning device having a straight flow path according to the present invention will be described in detail with reference to the attached drawings. FIG. 2 is a perspective view showing a suction cleaning device having a straight flow path according to the present invention, and FIG. 3 is an exploded perspective view of the suction cleaning device shown in FIG. 1. Also, Fig. 4 is a diagram showing the flow of cleaning liquid and contaminated water in the suction cleaning device illustrated in Fig. 1, and Fig. 5 is a diagram showing the flow of cleaning liquid and contaminated water shown in Fig. 4 in a more simplified manner. A suction cleaning device having a straight flow path according to the present invention is configured to supply an external cleaning solution to a surgical site or to discharge contaminated water containing contaminants generated at the surgical site to the outside, and comprises a main body (100), an insertion tube (200) installed at the front of the main body (100), a suction tube (300) and a cleaning tube (400) installed at the rear of the main body (100), and a switch valve unit (500) and a tube connector (600) installed inside the main body (100). The above main body (100) is a part that is held by hand, and a suction button (110) and a cleaning button (120) are provided on the upper side of the main body (100). The above suction button (110) is a button used to suction and discharge contaminated water containing contaminants generated in the surgical site inside the patient's body, and is protruded from the upper part of the main body (100) so as to be pressed. The above cleaning button (120) is a button used to supply cleaning solution to the surgical site inside the patient's body, and is protruded from the upper part of the main body (100) in front of the suction button (110) so as to be pressed. The above insertion tube (200) is installed at the front of the main body (100), and its end is inserted into the patient's body. Through this insertion tube (200), an external cleaning s