Visual planer for minimally invasive surgery

Abstract

The utility model discloses a visual planing device for minimally invasive surgery. The visual planing device comprises a shell assembly, an outer knife tube, an inner knife tube arranged in the outer knife tube and a camera used for camera shooting. The tail end of the outer knife tube is assembled on the shell assembly, and an outer knife edge communicated with the inner space of the outer knife tube is formed in the head end of the outer knife tube; the head end of the inner knife tube is provided with an inner knife edge communicated with the inner space of the inner knife tube, and the inner knife edge is exposed out of the outer knife edge. An embedding cavity located between the tail end of the outer knife tube and the outer knife edge is formed in the side wall of the outer knife tube, the camera is embedded in the embedding cavity, and the camera faces the direction from the tail end of the outer knife tube to the head end of the outer knife tube. The visual planing device for the minimally invasive surgery integrates an image function, and overcomes the defect that an existing planing device needs to be used in cooperation with an endoscope.

Description

Technical Field

[0001] This utility model relates to a medical device, and more particularly to a visual shaving tool for minimally invasive surgery. Background Technology

[0002] As is well known, minimally invasive surgery is becoming increasingly common in the field of surgery due to its shorter recovery time, shorter operation duration, and lower cost. Minimally invasive surgery is typically performed by inserting instruments through small incisions or artificially created openings in the patient's body, and a shaving instrument is a common tool used in performing minimally invasive surgery.

[0003] However, in existing planers, it is necessary to use them in conjunction with an endoscope to insert them along the endoscope to the target and, with the help of the camera function in the endoscope, to achieve the purpose of effectively removing the target.

[0004] Therefore, there is an urgent need for a minimally invasive surgical visualization shaving tool to overcome the above-mentioned shortcomings. Utility Model Content

[0005] The purpose of this invention is to provide a visual shaving tool for minimally invasive surgery with integrated imaging function, so as to overcome the shortcomings of existing shaving tools that require the use of an endoscope.

[0006] To achieve the above objectives, the present invention provides a minimally invasive surgical visualization shaving device comprising a housing assembly, an outer blade tube, an inner blade tube disposed within the outer blade tube, and a camera for imaging. The tail end of the outer blade tube is mounted on the housing assembly, and the head end of the outer blade tube has an outer blade opening communicating with the internal space of the outer blade tube; the head end of the inner blade tube has an inner blade opening communicating with the internal space of the inner blade tube, the inner blade opening being exposed from the outer blade opening; an embedding cavity is formed on the side wall of the outer blade tube between the tail end of the outer blade tube and the outer blade opening, and the camera is embedded in the embedding cavity, with the camera facing the direction from the tail end to the head end of the outer blade tube.

[0007] Compared with existing technologies, the design of "an embedded cavity located between the tail end of the outer blade tube and the outer blade edge on the side wall of the outer blade tube, with the camera embedded in the embedded cavity and the camera facing from the tail end to the head end of the outer blade tube" ensures that the camera does not protrude out of the blade tube, thus preventing the camera from creating an obstacle to the uterine cavity during the insertion of the minimally invasive surgical visualization shaving device into the uterine cavity. Furthermore, the design integrates image functionality into the minimally invasive surgical visualization shaving device, overcoming the shortcomings of existing shaving devices that require the use of an endoscope.

[0008] Preferably, the side wall of the outer blade tube is provided with a wiring channel that communicates with the mounting cavity and extends along the direction from the head end to the tail end of the outer blade tube. The wiring channel also penetrates the tail end face of the outer blade tube, and the cable connected to the camera is placed in the wiring channel.

[0009] Preferably, the outer cutting edge is arranged at an angle relative to the center line of the outer cutting tube, and the side wall of the outer cutting tube is provided with an inclined surface that connects to the outer cutting edge and has the same inclination direction as the outer cutting edge. The inclined surface is located between the tail end of the outer cutting tube and the outer cutting edge. The side wall of the outer cutting tube is also provided with a docking channel that connects to and communicates with the mounting cavity and passes through the inclined surface.

[0010] Preferably, the mounting cavity also extends through the side wall of the outer blade tube.

[0011] Preferably, the head end of the outer blade tube is a closed end, and the outer blade edge penetrates from the side of the outer blade tube through a portion of one side wall of the outer blade tube and the head end.

[0012] Preferably, the outer cutting edge includes a cutting edge inclined surface and a first tooth segment and a second tooth segment disposed opposite to each other. The first tooth segment and the second tooth segment are each connected to the inclined surface. The cutting edge inclined surface is away from the inclined surface. The cutting edge inclined surface is also connected to the first tooth segment and the second tooth segment respectively. The cutting edge inclined surface, the first tooth segment, the second tooth segment and the inclined surface together form a ring.

[0013] Preferably, the slope of the blade bevel and the slope of the inclined plane are the same.

[0014] Preferably, the head end of the inner blade tube is a closed end, and the inner blade edge penetrates from the side of the inner blade tube through a portion of one side wall of the inner blade tube and the head end.

[0015] Preferably, the inner cutting edge has a first cutting tooth segment and a second cutting tooth segment arranged opposite to each other.

[0016] Preferably, the inner cutting edges are a plurality of those spaced apart from each other in the circumferential direction of the inner cutting tube. Attached Figure Description

[0017] Figure 1 This is a three-dimensional view of the minimally invasive surgical visualization planer of this utility model.

[0018] Figure 2 yes Figure 1 Enlarged view of section B.

[0019] Figure 3 yes Figure 1 The image shows a 3D view of a minimally invasive surgical visualization shaving tool with its housing components hidden.

[0020] Figure 4 It is along Figure 3 A plan view viewed from the opposite direction indicated by the middle arrow A.

[0021] Figure 5 It is along Figure 4 The plan view as indicated by the middle arrow C.

[0022] Figure 6 yes Figure 5 Enlarged view of section E in the middle.

[0023] Figure 7 It is along Figure 4 Internal view of the section cut along the CC line.

[0024] Figure 8 yes Figure 7 Enlarged view of section F in the middle.

[0025] Figure 9 This is a three-dimensional view of the outer blade tube in the minimally invasive surgical visualization planer of this utility model.

[0026] Figure 10 yes Figure 9 A magnified view of section G in the middle.

[0027] Figure 11 This is a three-dimensional view of the inner blade tube in the minimally invasive surgical visualization planer of this utility model.

[0028] Figure 12 yes Figure 11 Enlarged view of section H in the middle.

[0029] Figure 13 This is a 3D view of the camera connected to a cable in the minimally invasive surgical visualization planer of this utility model. Detailed Implementation

[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to specific implementation examples and accompanying drawings, and the technical solutions of this utility model will be explained. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. Embodiments of this utility model will now be described with reference to the accompanying drawings, in which similar element reference numerals represent similar elements.

[0031] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are 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 utility model.

[0032] Please see Figure 1 , Figure 2 , Figure 7 and Figure 8 The minimally invasive surgical visualization shaving device 100 of this utility model includes a housing assembly 10, an outer blade tube 20, an inner blade tube 30 placed inside the outer blade tube 20, and a camera 40 for capturing images.

[0033] The outer blade tube 20 has its tail end 21 mounted on the outer shell assembly 10, which provides support for the outer blade tube 20. The head end 25 of the outer blade tube 20 has an outer cutting edge 23 communicating with the internal space 22 of the outer blade tube 20. An insert cavity 26 is formed on the side wall 24 of the outer blade tube 20 between the tail end 21 and the outer cutting edge 23. The head end 31 of the inner blade tube 30 has an inner cutting edge 33 communicating with the internal space 32 of the inner blade tube 30. The inner cutting edge 33 protrudes from the outer cutting edge 23 to meet the need for rotational cutting during the rotation of the inner blade tube 30 relative to the outer blade tube 20, and also to allow the removed waste to enter the inner blade tube 30 through the inner cutting edge 33 and be sucked away along the inner blade tube 30.

[0034] The camera 40 is embedded in the mounting cavity 26, and the side wall 24 of the outer blade tube 20 provides stability to the camera 40, preventing the camera 40 from protruding from the side wall 24 of the outer blade tube 20 and causing collision obstacles during the insertion of the minimally invasive surgical visualization shaving instrument 100 into the uterine cavity. The camera 40 is oriented from the tail end 21 to the head end 25 of the outer blade tube 20 (i.e.,...). Figure 1 (As indicated by arrow A in the diagram), this is to ensure that the camera 40 can capture images of the area at the head end 25 of the external blade tube 20. Specifically, in conjunction with... Figures 7 to 10 and Figure 13 As an example, the side wall 24 of the outer blade tube 20 is also provided with a wiring channel 27 that communicates with the mounting cavity 26 and extends along the direction from the head end 25 to the tail end 21 of the outer blade tube 20 (see the opposite direction indicated by arrow A). The wiring channel 27 also passes through the tail end face 211 of the outer blade tube 20. The cable 50 connected to the camera 40 is passed through the wiring channel 27, so that the cable 50 connected to the camera 40 can be routed along the side wall 24 of the outer blade tube 20, and then pass out from the tail end face 211 of the outer blade tube 20 and enter the housing assembly 10, and then the corresponding wiring operation is performed. Therefore, the minimally invasive surgical visualization shaver 100 of this utility model is simpler. More specifically, as follows:

[0035] Combination Figure 2 and Figures 5 to 8 As an example, the outer cutting edge 23 is relative to the centerline of the outer cutting tube 20 (see...). Figure 6 The center line of the outer blade tube 20 is arranged at an angle, and the side wall 24 of the outer blade tube 20 is provided with an angled part that connects to the outer blade edge 23 (see [reference]). Figure 6 The inclined surface 28 (indicated by the middle arrow) is the same as the outer incision 23. The inclined surface 28 is located between the tail end 21 of the outer incision tube 20 and the outer incision 23. This design ensures that the outer incision tube 20 does not create an obstacle to the uterine cavity during insertion and removal. Furthermore, in the direction from the tail end 21 to the head end 25 of the outer incision tube 20, the head end 31 of the inner incision tube 30 is arranged with increasing lateral exposure size compared to the outer incision tube 20, effectively improving the resection effect of the inner incision 33. More importantly, the inclination of both the outer incision 23 and the inclined surface 28 relative to the centerline of the outer incision tube 20 provides a wider field of view for the camera 40 embedded in the cavity 26 on the side wall 24 of the outer incision tube 20, further improving the imaging effect of the camera 40. Additionally, regarding... Figure 2 , Figure 3 and Figure 8 As an example, the side wall 24 of the outer blade tube 20 is also provided with a docking channel 29 that connects with and communicates with the mounting cavity 26 and extends through the inclined surface 28. Optionally, in Figure 2In this example, the docking channel 29 is arranged in a straight line from the tail end 21 to the head end 25 of the outer blade tube 20, so as to effectively ensure that the front of the camera 40 is not obstructed by the outer blade tube 20. Specifically, in Figure 2 As an example, the mounting cavity 26 also extends through the side wall 241 of the outer knife tube 20 to facilitate the operation of fixing the camera 40 in the mounting cavity 26, such as, but not limited to, potting fixation operation.

[0036] like Figure 2 and Figure 4 As shown, as an example, the head end 251 of the outer blade tube 20 is a closed end, and the outer blade edge 23 penetrates from the side of the outer blade tube 20 through a portion of one side wall 24 and the head end 251. This design increases the strength of the head end 251 of the outer blade tube 20, and the closed nature of the head end 251 also ensures smooth insertion and removal of the outer blade tube 20. Furthermore, in conjunction with... Figure 4 and Figure 6 As an example, the outer cutting edge 23 includes a cutting edge inclined surface 231 and a first tooth segment 232 and a second tooth segment 233 arranged opposite to each other. The first tooth segment 232 and the second tooth segment 233 are each in contact with the inclined surface 231. The cutting edge inclined surface 231 is away from the inclined surface 28. The cutting edge inclined surface 231 is also in contact with the first tooth segment 232 and the second tooth segment 233 respectively. The cutting edge inclined surface 231, the first tooth segment 232 and the second tooth segment 233 and the inclined surface 28 together form a ring, as shown in the figure. Figure 2 As shown; the slope of the blade bevel 231 and the inclined bevel 28 are the same, so as to facilitate the processing and manufacturing of the outer blade tube 20.

[0037] like Figure 11 and Figure 12 As shown in the figure, as an example, the inner cutting edges 33 are two that are spaced apart from each other in the circumferential direction of the inner cutting tube 30. Obviously, there may be three or four depending on the actual needs, so it is not considered as... Figure 12 As shown, the inner blade tube 30 has a closed end 311, and the inner blade edge 33 extends laterally through a portion of the inner blade tube 30's side wall 34 and the inner blade tube 30's end 311; this design increases the strength of the inner blade tube 30's end 311. Specifically, further... Figure 12 As an example, the inner blade 33 has a first tooth segment 331 and a second tooth segment 333 arranged opposite to each other to better match the needs of the first tooth segment 232 and the second tooth segment 233 of the outer blade tube 20.

[0038] Compared with the prior art, the design of "an embedded cavity 26 is provided on the side wall 24 of the outer blade tube 20 between the tail end 21 and the outer blade edge 23 of the outer blade tube 20, and the camera 40 is embedded in the embedded cavity 26, with the camera 40 facing from the tail end 21 to the head end 25 of the outer blade tube 20" ensures that the camera 40 does not protrude outward from the outer blade tube 20, thus preventing the camera 40 from creating an obstacle to the uterine cavity during the insertion of the minimally invasive surgical visualization shaving instrument 100 into the uterine cavity; on the other hand, it integrates image function into the minimally invasive surgical visualization shaving instrument 100, overcoming the defect that existing shaving instruments require the use of an endoscope.

[0039] It should be noted that, at Figure 8 In the diagram, the vertical centerline is the intersection of the docking channel 29 and the mounting cavity 26, and the camera 40 is adjacent to this intersection. (See attached diagram for details.) Figure 8 As shown. Since the camera 40 is adjacent to the intersection, the distance between the camera 40 and the intersection is shortened while ensuring that the camera 40 does not protrude outward from the outer blade tube 20, creating favorable conditions for increasing the field of view of the camera 40. Furthermore, since the specific structure and working principle of the camera 40 are well known in the field of camera technology, they will not be described in detail here.

[0040] It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims. Furthermore, the embodiments disclosed above are merely preferred embodiments of this utility model and should not be construed as limiting the scope of this utility model. Therefore, equivalent variations made within the scope of the claims of this utility model are still within the scope of this utility model.

Claims

1. A visual shaving device for minimally invasive surgery, comprising a housing assembly, an outer blade tube, and an inner blade tube disposed within the outer blade tube, wherein the tail end of the outer blade tube is mounted on the housing assembly, the head end of the outer blade tube has an outer cutting edge communicating with the internal space of the outer blade tube, and the head end of the inner blade tube has an inner cutting edge communicating with the internal space of the inner blade tube, the inner cutting edge being exposed from the outer cutting edge, characterized in that... The minimally invasive surgical visualization shaving device also includes a camera for imaging. An embedded cavity is formed on the side wall of the outer blade tube between the tail end of the outer blade tube and the outer blade edge. The camera is embedded in the embedded cavity, and the camera is oriented from the tail end to the head end of the outer blade tube.

2. The visual shaving device for minimally invasive surgery according to claim 1, characterized in that, The outer blade tube also has a wiring channel on its side wall that communicates with the mounting cavity and extends from the head end to the tail end of the outer blade tube. The wiring channel also passes through the tail end face of the outer blade tube, and the cable connected to the camera is threaded through the wiring channel.

3. The visual shaving tool for minimally invasive surgery according to claim 2, characterized in that, The outer cutting edge is arranged at an angle relative to the center line of the outer cutting tube. The side wall of the outer cutting tube is provided with an inclined slope that connects to the outer cutting edge and has the same inclination direction as the outer cutting edge. The inclined slope is located between the tail end of the outer cutting tube and the outer cutting edge. The side wall of the outer cutting tube is also provided with a docking channel that connects to and communicates with the mounting cavity and passes through the inclined slope.

4. The visual shaving tool for minimally invasive surgery according to claim 3, characterized in that, The mounting cavity also extends through the side wall of the outer blade tube.

5. The visual shaving tool for minimally invasive surgery according to claim 3, characterized in that, The head end of the outer blade tube is a closed end, and the outer blade edge penetrates from the side of the outer blade tube through one side wall of the outer blade tube and a portion of the head end.

6. The visual shaving tool for minimally invasive surgery according to claim 5, characterized in that, The outer cutting edge includes a cutting edge inclined surface and a first tooth segment and a second tooth segment arranged opposite to each other. The first tooth segment and the second tooth segment are each connected to the inclined surface. The cutting edge inclined surface is away from the inclined surface. The cutting edge inclined surface is also connected to the first tooth segment and the second tooth segment respectively. The cutting edge inclined surface, the first tooth segment, the second tooth segment and the inclined surface together form a ring.

7. The visual shaving tool for minimally invasive surgery according to claim 6, characterized in that, The slope of the blade bevel and the slope of the inclined plane are the same.

8. The visual shaving tool for minimally invasive surgery according to claim 1, characterized in that, The head end of the inner blade tube is a closed end, and the inner blade extends from the side of the inner blade tube through one side wall of the inner blade tube and a portion of the head end.

9. The visual shaving tool for minimally invasive surgery according to claim 1, characterized in that, The inner cutting edge has a first cutting tooth segment and a second cutting tooth segment arranged opposite to each other.

10. The visual shaving tool for minimally invasive surgery according to claim 1, characterized in that, The inner cutting edge is a plurality of blades spaced apart from each other in the circumferential direction of the inner cutting tube.

Images