Electric surgical equipment for minimally invasive rotary cutting removal of abscess focus in thoracic and abdominal cavity

Abstract

The electric surgical equipment comprises a surgical tool, the surgical tool is connected with a control system through a control line, and the electric surgical tool is connected with one connector of a sealed collection bottle through a negative pressure pipeline; the other connector of the sealed collecting bottle is connected with the other connector of the sealed collecting bottle through the other negative pressure pipeline; and the ultrasonic probe is connected with the ultrasonic display. The chest abscess focus can be removed in a minimally invasive mode in a rotary cutting and negative pressure mode, meanwhile, a corresponding rotary cutting movement mode is achieved in an electric mode, and the working intensity of a surgeon can be reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of ultrasonic interventional medical surgery electric equipment, and relates to electric surgery equipment for minimally invasive removal of abscess lesions in the chest and abdomen. Background Art

[0002] In the treatment of abscesses during acute inflammation, the use of traditional treatment methods has great limitations. Medical diagnosis and treatment standards clearly stipulate that during acute inflammation, large-scale surgical incisions, especially open surgery on some important organs such as the liver, lungs, kidneys, and abdominal cavity, are contraindications for treatment. At present, due to the inability to solve the problem of drainage tube blockage in clinical practice, the types of abscesses that can be treated with minimally invasive interventional treatment are limited to abscesses that are completely liquefied in the middle stage of inflammation and have low viscosity. There is still no way to treat abscesses that are not completely liquefied in the early, middle and late stages, and contain flocculent necrotic tissue in the pus and have high viscosity. It is necessary to wait for the abscess to be completely liquefied before suction, or only catheterization and saline flushing can be performed, which leads to the inability of most patients to relieve their condition in time, increases the patient's pain, prolongs the hospitalization time, and increases the cost of treatment. For abscesses that are not completely liquefied and contain flocculent necrotic tissue and high viscosity, there is a lack of effective treatment methods and interventional devices in clinical practice. Most methods can only be surgical incisions, which have a serious risk of further aggravation of infection and reinfection and rupture of the wound, and there are often many postoperative complications and high patient mortality. Summary of the invention

[0003] The purpose of the present invention is to provide an electric surgical device for minimally invasive removal of intrathoracic and abdominal abscess lesions. The device can achieve minimally invasive removal of chest abscess lesions by means of rotary cutting and negative pressure, and at the same time adopts an electric mode to achieve the corresponding movement mode of rotary cutting, which can reduce the workload of the surgeon.

[0004] The technical solution adopted by the present invention is an electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions, comprising a surgical tool, the surgical tool is connected to a control system via a control line, the electric surgical tool is connected to an interface of a sealed collection bottle via a negative pressure pipeline; another interface of the sealed collection bottle is connected to another interface of the sealed collection bottle via another negative pressure pipeline; The ultrasonic probe is also included, and the ultrasonic probe is connected to an ultrasonic display.

[0005] The present invention is also characterized in that: The electric surgical tool comprises inner and outer knife tube components, which are connected to a driving seat component via a buckle.

[0006] The inner and outer knife tube components comprise a knife tube component seat body, one end of which is connected to an outer knife tube seat through a thread, and an outer knife tube is coaxially connected to the center of the outer knife tube seat.

[0007] The outer knife tube is a hollow structure, the inner knife tube is coaxially sleeved inside the outer knife tube, the inner knife tube passes through the knife tube component seat body and is connected with the inner knife tube seat, and the inner knife tube seat is connected with the epicyclic gear through a spline.

[0008] The drive seat component includes a drive seat body, on which two DC motors are installed. The two DC motors are respectively connected to a feed drive motor gear and a rotary drive motor gear. Both DC motors are fixed to the drive seat body by a pressure plate and corresponding screws.

[0009] A handle shell I is installed on the driving seat body, and a button trigger is connected to the handle shell I through a trigger pin. A travel switch is installed on one side of the button trigger, and the travel switch contact is against the bottom surface of the button trigger, and one end of the button trigger is against the opening of the driving seat body.

[0010] The main body of the driving seat is provided with two buckle grooves corresponding to the clamping heads.

[0011] A guide column is installed at the bottom of the knife tube component seat body of the inner and outer knife tube components. The guide column limits the rotational freedom of the screw sleeve along the axis through the guide groove at the bottom of the screw sleeve; the screw sleeve has a trapezoidal thread on the outside, which meshes with the inside of the feed gear through the trapezoidal thread.

[0012] The outer knife tube seat is connected to the needle core handle through threads, and the needle core is coaxially mounted on the needle core handle.

[0013] The front end of the outer knife tube is provided with a rectangular outer knife groove; the front end of the inner knife tube is provided with an inner knife groove.

[0014] The beneficial effect of the present invention is that the electric surgical device for minimally invasive excision and removal of abscess lesions in the chest and abdomen provided by the present invention only needs to break the skin at the corresponding part of the human body, and the doctor, with the help of ultrasonic image guidance, inserts the combined needle with a needle core in the outer knife tube into the lesion. Then the needle core is pulled out, the end of the inner knife tube is inserted into the outer knife tube to the lesion position, the outer knife tube is connected and fixed with the electric surgical tool, and at the same time, by pressing the button on the electric surgical tool, the inner and outer knife tubes will perform corresponding excision movements, and the pus and flocculent necrotic tissue of the lesion where the end of the knife tube is located will be excision, and at the same time, the pus and necrotic tissue cut off will be pumped into the collection bottle through the negative pressure pipeline connected to the rear of the inner knife tube, thereby achieving the effect of removing and reducing chest and abdominal abscesses. This surgical device can not only remove chest and abdominal abscesses with minimal invasion, which is beneficial to the rapid recovery of patients, but also saves the doctor's physical strength and shortens the operation time through the electric mode, which is beneficial to the smooth progress of the operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the electric surgical device used for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention; Figure 2It is a schematic structural diagram of the inner and outer blade drive system of the electric surgical device used for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention; Figure 3 It is a schematic structural diagram of the inner and outer knife tube components of the electric surgical device used for minimally invasive rotary excision of intrathoracic and abdominal abscess lesions of the present invention; Figure 4 It is a schematic structural diagram of a driving seat component in an electric surgical device for minimally invasive removal of intrathoracic and abdominal abscess lesions according to the present invention; Figure 5 It is a schematic diagram of the overall structure of the electric surgical tool in the electric surgical device used for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention; Figure 6 A structural diagram of a combined needle with a needle core installed in the electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention; Figure 7 A diagram of the inner and outer blade tubes and blade grooves on the electric surgical device used for minimally invasive excision of intrathoracic and abdominal abscess lesions of the present invention; Figure 8 This is a control interface diagram on the human-machine interaction interface of the control system in the electric surgical equipment used for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention.

[0016] In the figure, 1. ultrasonic probe, 2. ultrasonic display, 3. vacuum pump, 4. negative pressure pipeline, 5. touch screen, 6. control system, 7. control line, 8. electric surgical tool, 9. inner and outer knife tube components, 10. drive seat component, 11. buckle, 12. inner knife tube, 13. outer knife tube, 14. outer knife tube seat, 15. thread, 16. knife tube component seat, 17. buckle head, 18. shaft retaining ring, 19. screw sleeve, 20. feed gear, 21. epicyclic gear, 22. spline, 23. inner knife tube Seat, 24. Negative pressure pipeline interface, 25. Drive seat body, 26. Buckle groove, 27. DC motor, 28. Pressure plate, 29. Screw, 30. Feed drive motor gear, 31. Rotation drive motor gear, 32. Handle housing I, 33. Button trigger, 34. Trigger pin, 35. Travel switch, 36. Handle housing II, 37. Guide column, 38. Guide groove, 39. Trapezoidal thread, 40. Sealed collection bottle, 41. Needle core, 42. Needle core handle, 43. Inner knife groove, 44. Outer knife groove. DETAILED DESCRIPTION

[0017] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] Example 1 The present invention is an electric surgical device for minimally invasive removal of intrathoracic and abdominal abscess lesions, such as Figure 1As shown, it includes an ultrasonic probe 1, an ultrasonic display 2, a vacuum pump 3, a negative pressure pipeline 4, a touch screen 5, a control system 6, a control line 7, and an electric surgical tool 8, wherein the ultrasonic probe 1 is connected to the ultrasonic display 2; the vacuum pump 3 is connected to one of the interfaces of the sealed collection bottle 40 through a negative pressure pipeline 4, and the other interface on the sealed collection bottle 40 is connected to the electric surgical tool 8 through another negative pressure pipeline 4; the touch screen 5 is connected to the control system 6 as a host computer, and is connected to the electric surgical tool 8 through a control line.

[0019] Example 2 like Figure 2 As shown, the electric surgical tool 8 is divided into two major parts: an inner and outer blade tube component 9 and a drive seat component 10. The inner and outer blade tube component 9 and the drive seat component 10 are connected by a buckle 11. Such a structure is easy to disassemble and connect.

[0020] like Figure 3 As shown, the main part of the inner and outer knife tube components 9 is a knife tube component seat body 16, and the front section of the knife tube component seat body 16 is connected to the outer knife tube seat 14 through a thread 15. The end of the outer knife tube seat 14 is fixed together with the outer knife tube 13 by glue.

[0021] Example 3 The middle of the outer blade tube 13 is a hollow structure, and the inner blade tube 12 is coaxially sleeved inside the outer blade tube 13. The inner blade tube 12 passes through the front end of the blade tube component seat body 16, and the rear end of the inner blade tube 12 is fixed to the front of the inner blade tube seat 23 by glue. The inner blade tube seat 23 has a spline 22 structure on the outside, and the spline 22 is matched with the revolving gear 21 with a spline A structure inside (the spline 22 and the spline A structure are meshed with each other). The front end of the spline 22 of the inner blade tube seat 23 supports the inner step end of the screw sleeve 19, and the axial movement freedom between the inner blade tube seat 23 and the screw sleeve 19 is limited by the shaft retaining ring 18, but because the inside of the screw sleeve 19 is a smooth circumferential structure, the mutual rotation freedom between the inner blade tube seat 23 and the screw sleeve 19 is not limited.

[0022] like Figure 4 As shown, the main part of the drive seat component 10 is the drive seat body 25, and two DC motors 27 are installed on the drive seat body 25. The function of one DC motor 27 is to provide power for the feeding of the inner knife tube seat 23, and the function of the other DC motor 27 is to provide power for the turnover of the inner knife tube seat 23. The two DC motors 27 are respectively fixed with a feeding drive motor gear 30 and a turnover drive motor gear 31. The two DC motors 27 are respectively fixed to the drive seat body 25 by a pressing plate 28 and corresponding screws 29.

[0023] A handle shell I 32 is installed at the right end of the driving seat body 25, and a button trigger 33 is connected to the handle shell I 32 through a trigger pin 34. The button trigger 33 can rotate along the trigger pin 34, and a travel switch 35 is installed next to the button trigger 33. The contact of the travel switch 35 is against the bottom surface of the button trigger 33, and the travel switch 35 is installed on the handle shell II 36. The other end of the button trigger 33 is against the opening of the driving seat body 25. There are also two buckle grooves 26 on the driving seat body 25 corresponding to the clamping head 17 on the knife tube component seat body 16 on the inner and outer knife tube components 9, so as to connect the inner and outer knife tube components 9 and the driving seat component 10. This is because the inner and outer knife tube components 9 are disposable products and will be discarded after a patient is operated on. The driving seat component 10 is a long-term tool, and such a design is mainly for easy disassembly. In addition, a guide column 37 is installed at the bottom of the knife tube component seat body 16 of the inner and outer knife tube components 9. The guide column 37 limits the rotational freedom of the screw sleeve 19 along the axis through the guide groove 38 at the bottom of the screw sleeve 19.

[0024] like Figure 5 As shown, the screw sleeve 19 has a trapezoidal thread 39 on the outside, which meshes with the inside of the feed gear 20 through the trapezoidal thread 39. The knife tube component base 16 is processed with buckle heads 17 at two locations, and the rear part thereof is processed with a negative pressure pipeline interface 24 of an inverted triangle structure for connecting with the negative pressure pipeline 4.

[0025] like Figure 6 As shown, the needle core 41 is mounted on the needle core handle 42 by means of a universal glue. The front end of the needle core handle 42 is connected to the outer knife tube seat 14 by means of a thread 15, so that the needle core 41 passes through the interior of the outer knife tube 13 and exposes the needle tip, which is convenient for puncture.

[0026] like Figure 7 As shown, the front end of the outer knife tube 13 is provided with a rectangular outer knife groove 44. The front end of the inner knife tube 12 is provided with an inner knife groove 43.

[0027] The working process of the electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions of the present invention is as follows: during operation, the doctor holds the electric surgical tool 8 and breaks the skin 2 mm at the position corresponding to the patient's lesion to make a needle entrance. The outer knife tube 13 and the needle core 41 are punctured into the lesion through the puncture entrance under ultrasound guidance. Then the needle core 41 and its needle core handle 42 are removed, and the inner knife tube 12 is installed. The inner knife tube 12 that fits together with the front section of the electric surgical tool 8 is extended into the outer catheter through the outer knife tube 13 and connected and fixed to the electric surgical tool 8. Under the detection of the ultrasonic probe 1, the doctor adjusts the knife tube head at the front of the electric surgical tool 8 to the position of the patient's chest lesion through the internal image detected by the ultrasonic probe 1 displayed on the ultrasonic display 2. The doctor adjusts the knife tube head at the front of the electric surgical tool 8 to the position of the patient's chest lesion through the internal image detected by the ultrasonic probe 1 displayed on the ultrasonic display 2. Figure 8The touch screen control interface shown is used to set the movement speed and stroke as well as the turnover speed and stroke, and select the movement mode as "movement + turnover", "movement only" or "turnover only" through options. When the knife tube head reaches the lesion, the doctor presses the button trigger 33 on the electric surgical tool 8, and the button trigger 33 rotates to trigger the travel switch 35. The travel switch 35 transmits the signal to the control system 6 through the control line 7. The control system 6 transmits the control signal to the DC motor 27 on the driving seat component 10 on the surgical tool 8 through the control line 7 according to the parameters set in the control interface on the touch screen 5, and controls the feed drive motor gear 30 and the turnover drive motor gear 31 fixed on the DC motor 27 to rotate respectively through pulse + direction. Since the inner and outer knife tube components 9 and the driving seat component 10 are combined into the electric surgical tool 8 by the buckle 11 during use, the feed drive motor gear 30 and the turnover drive motor gear 31 are respectively meshed with the feed gear 20 and the turnover gear 21, so that the feed gear 20 and the turnover gear 21 rotate. When the feed gear 20 rotates, the trapezoidal thread 39 inside it meshes with the trapezoidal thread 39 on the screw sleeve 19. Since the guide groove 38 at the bottom of the screw sleeve 19 cooperates with the guide column 37 installed at the bottom of the knife tube component seat body 16, the screw sleeve 19 cannot rotate, so it can only feed forward and backward. Since the axial freedom of movement between the screw sleeve 19 and the inner knife tube seat 23 is limited by the shaft retaining ring 18, the screw sleeve 19 drives the inner knife tube seat 23 to feed forward and backward. The inner knife tube seat 23 is bonded to the inner knife tube 12, so the inner knife tube 12 moves forward and backward. The outer knife tube 13 is stationary, so the inner knife tube 12 moves forward and backward relative to the outer knife tube 13.

[0028] In addition, the rotation of the epicyclic gear 21, through the spline 22 at the bottom thereof, cooperates with the spline 22 on the outside of the inner knife tube seat 23, so that the inner knife tube seat 23 is driven to rotate, thereby rotating the inner knife tube 12. In this way, the inner knife tube 12 moves back and forth and rotates relative to the outer knife tube 13. Because the inner knife tube 12 is a hollow structure, the inner knife tube seat 23 to which it is fixed is also hollow, and the rear part of the inner knife tube seat 23 is connected to the negative pressure pipeline 4 through the negative pressure pipeline interface 24. In addition, the vacuum pump 3 connected to the negative pressure pipeline 4 provides vacuum, so that negative pressure is formed in the sealed collection bottle 40. Therefore, the pus and necrotic tissue at the patient's lesion are sucked in through the square-mouthed groove on the inner knife tube 12. Since the inner knife tube 12 moves back and forth and repeatedly rotates relative to the outer knife tube 13, the pus and flocculent necrotic tissue in the lesion are cut by the inner knife groove 43 on the inner knife tube 12 and the outer knife groove 44 on the outer knife tube 13, and the pus and necrotic tissue cut by the rotation are sucked into the collection bottle by the negative pressure generated by the vacuum pump 3. In this way, the abscess removal of the patient with thoracic and abdominal abscess is completed.

Claims

1. An electric surgical device for minimally invasive excision of intrathoracic and abdominal abscess lesions, characterized in that: The surgical tool (8) is connected to a control system (6) via a control line (7); the electric surgical tool (8) is connected to an interface of a sealed collection bottle (40) via a negative pressure pipeline (4); and another interface of the sealed collection bottle (40) is connected to another interface of the sealed collection bottle (40) via another negative pressure pipeline (4); It also includes an ultrasonic probe (1), wherein the ultrasonic probe (1) is connected to an ultrasonic display (2).

2. The electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions according to claim 1, characterized in that: The electric surgical tool (8) comprises inner and outer blade tube components (9), and the inner and outer blade tube components (9) are connected to the drive seat component (10) via a buckle (11).

3. The electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions according to claim 2, characterized in that: The inner and outer knife tube components (9) comprise a knife tube component seat body (16), one end of which is connected to an outer knife tube seat (14) via a thread (15), and the center of the outer knife tube seat (14) is coaxially connected to an outer knife tube (13).

4. The electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions according to claim 3, characterized in that: The outer knife tube (13) is a hollow structure, the inner knife tube (12) is coaxially sleeved inside the outer knife tube (13), the inner knife tube (12) passes through the knife tube component seat body (16) and is connected to the inner knife tube seat (23), and the inner knife tube seat (23) is connected to the epicyclic gear (21) via a spline (22).

5. The electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions according to claim 4, characterized in that: The drive seat component (10) comprises a drive seat body (25), on which two DC motors (27) are mounted, the two DC motors (27) being respectively connected to a feed drive motor gear (30) and a rotation drive motor gear (31), and the two DC motors (27) are both fixed to the drive seat body (25) by a pressing plate (28) and corresponding screws (29).

6. The electric surgical device for minimally invasive excision of intrathoracic and abdominal abscess lesions according to claim 5, characterized in that: A handle housing I (32) is mounted on the driving seat body (25), a button trigger (33) is connected to the handle housing I (32) via a trigger pin (34), a travel switch (35) is mounted on one side of the button trigger (33), a contact of the travel switch (35) abuts against the bottom surface of the button trigger (33), and one end of the button trigger (33) abuts against the opening of the driving seat body (25).

7. The electric surgical device for minimally invasive excision of intrathoracic and abdominal abscess lesions according to claim 6, characterized in that: The driving seat body (25) is provided with two buckle grooves (26) corresponding to the clamping heads (17).

8. The electric surgical device for minimally invasive excision and removal of intrathoracic and abdominal abscess lesions according to claim 6, characterized in that: A guide column (37) is installed at the bottom of the knife tube component seat body (16) of the inner and outer knife tube components (9), and the guide column (37) limits the rotational freedom of the screw sleeve (19) along the axis through a guide groove (38) at the bottom of the screw sleeve (19); the screw sleeve (19) has a trapezoidal thread (39) on the outside, which meshes with the inside of the feed gear (20) through the trapezoidal thread (39).

9. The electric surgical device for minimally invasive excision of intrathoracic and abdominal abscess lesions according to claim 8, characterized in that: The outer blade tube seat (14) is connected to the needle core handle (42) via a thread (15), and the needle core (41) is coaxially mounted on the needle core handle (42).

10. The electric surgical device for minimally invasive excision of intrathoracic and abdominal abscess lesions according to claim 9, characterized in that: The front end of the outer knife tube (13) is provided with a rectangular outer knife groove (44); the front end of the inner knife tube (12) is provided with an inner knife groove (43).

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