Surgery field expansion device for laparoscope
By designing a laparoscopic field expansion device including a suspended head, a suspended line, a puncture needle and a firing gun, the problem of tissue occlusion in laparoscopic surgery is solved, and effective expansion of the surgical field and surgical efficiency are achieved. improve.
Patent Information
- Application Number
- CN202420957607.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-06
AI Technical Summary
During laparoscopic surgery, the tissue occlusion field in the abdominal cavity increases the difficulty and time of the operation and affects the efficiency of the operation.
A laparoscopic field expansion device is designed, including a suspended head, a suspended line, a puncture needle and a firing gun. After the puncture needle passes through the tissue and abdominal wall of the occlusion field, the puncture needle and the suspension line are pulled, so that the suspension head can drive the tissue movement of the occlusion field, expand the field, and expose the target position.
The device is simple to use, can effectively expand the surgical field, improve surgical efficiency and reduce surgical time.
Smart Images
Figure CN222487480U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and more specifically, to a laparoscopic surgical field expansion device. Background Art
[0002] Laparoscopy is a minimally invasive surgical treatment method that is widely used today. It is mainly done by puncturing holes in the abdomen, usually 3-4 holes, and placing instruments through the holes to perform abdominal and pelvic surgery. The other end is connected to a monitor, just like a TV screen, through which you can see what is happening inside the abdominal and pelvic cavities. However, during laparoscopic surgery, some tissues in the abdominal cavity (such as the greater omentum) will block the surgical field, increase the difficulty of the operation, and affect the progress of the operation. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the utility model innovatively provides a laparoscopic surgical field expansion device, which is simple to use. After the puncture needle passes through the tissue and abdominal wall blocking the surgical field, the puncture needle and the suspension wire are pulled, so that the suspension head drives the tissue blocking the surgical field to move, thereby expanding the surgical field, exposing the target position, and improving the efficiency of the operation.
[0004] In order to achieve the above technical purpose, the utility model discloses a laparoscopic surgical field expansion device, comprising a suspension head, a suspension line, a puncture needle and a firing gun.
[0005] The suspension head is block-shaped, and a through hole is provided in the center of the suspension head for the puncture needle to pass through. One end of the suspension wire is connected to the suspension head, and the other end of the suspension wire is connected to the needle tail of the puncture needle.
[0006] The suspension head is detachably connected to the gun head of the launching gun, and the launching gun pushes the puncture needle to move along the through hole and pass through the tissue and abdominal wall that block the surgical field.
[0007] Furthermore, the suspension head is magnetically attracted to the gun head of the launching gun.
[0008] Furthermore, the launching gun includes a gun barrel, a propulsion rod and a spring, the rod body of the propulsion rod is in a step shape, the rod body with a smaller diameter of the propulsion rod is close to the suspension head, the inner cavity of the gun barrel is in a step shape matching the propulsion rod, the gun barrel is sleeved on the outside of the propulsion rod, the propulsion rod slides along the inner cavity of the gun barrel, the spring is sleeved on the rod body with a smaller outer diameter of the propulsion rod, one end of the spring is fixed on the step surface of the propulsion rod, and the other end of the spring is fixed on the step surface of the inner cavity of the gun barrel.
[0009] Furthermore, a limiting plate is fixed to one end of the propulsion rod away from the suspension head, and the diameter of the limiting plate is greater than the outer diameter of the gun barrel.
[0010] Furthermore, a gripping handle is symmetrically arranged on the outer side wall of the gun barrel at one end away from the suspension head.
[0011] Furthermore, a winding drum is fixed inside the suspension head, and one end of the suspension wire away from the needle tail of the puncture needle is wound around the winding drum, and the winding drum is sleeved outside the through hole.
[0012] The beneficial effects of the utility model are:
[0013] The utility model provides a laparoscopic surgical field expansion device with a simple method of use. After the puncture needle passes through the tissue and the abdominal wall blocking the surgical field, the puncture needle and the suspension wire are pulled so that the suspension head drives the tissue blocking the surgical field to move, thereby expanding the surgical field, exposing the target position, and improving the surgical efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic structural diagram of a laparoscopic surgical field expansion device according to an embodiment of the utility model.
[0015] Figure 2 It is a structural schematic diagram of a suspension head according to an embodiment of the utility model.
[0016] Figure 3 It is a schematic diagram of the connection relationship between the suspension head, the puncture needle and the suspension wire in an embodiment of the utility model.
[0017] Figure 4 It is a structural schematic diagram of a suspension head according to another embodiment of the utility model.
[0018] Figure 5 The utility model is another embodiment of the connection relationship between the suspension head, the puncture needle and the suspension wire.
[0019] Figure 6 It is a schematic diagram of the state of the launching gun of the embodiment of the utility model when launching the puncture needle.
[0020] Figure 7 It is a cross-sectional view of the state of the launching gun of the embodiment of the utility model when launching the puncture needle.
[0021] Figure 8 This is a state diagram of the suspension head, puncture needle and suspension wire of the embodiment of the utility model during field dilation.
[0022] In the figure,
[0023] 1. Suspension head; 11. Through hole; 12. Winding drum; 2. Suspension wire; 3. Puncture needle; 4. Launch gun; 41. Gun barrel; 42. Push rod; 43. Spring; 44. Limiting plate; 45. Holding handle; 5. Tissue and abdominal wall covering the surgical field. DETAILED DESCRIPTION
[0024] The laparoscopic surgical field expansion device provided by the utility model is explained and illustrated in detail below in conjunction with the drawings in the specification.
[0025] This embodiment specifically discloses a laparoscopic surgical field expansion device, such as Figure 1 As shown, it includes a suspension head 1, a suspension wire 2, a puncture needle 3 and a launching gun 4. The suspension head 1 is block-shaped to increase the contact area with the tissue. A through hole 11 is provided in the center of the suspension head 1 for the puncture needle 3 to pass through. One end of the suspension wire 2 is connected to the suspension head 1, and the other end of the suspension wire 2 is connected to the needle tail of the puncture needle 3. The suspension head 1 is detachably connected to the gun head of the launching gun 4, and the launching gun 4 pushes the puncture needle 3 to move along the through hole 11 and pass through the tissue and abdominal wall that block the surgical field.
[0026] like Figure 1 As shown, in the initial state, the suspension head 1 is installed on the gun head of the launch gun 4, the puncture needle 3 is in the through hole 11, the needle tip of the puncture needle 3 is away from the launch gun 4, the suspension head 1 is placed at the tissue blocking the surgical field, the launch gun 4 pushes the puncture needle 3 to move along the through hole 11, the needle tip of the puncture needle passes through the tissue blocking the surgical field and the abdominal wall, and the puncture needle is pulled by the surgical forceps to move the puncture needle outside the abdominal wall. At this time, the puncture needle 3 is pulled, and the puncture needle 3 makes the suspension head 1 fit the tissue through the action of the suspension line 2 and can drive the tissue to move, thereby expanding the surgical field and exposing the target position. The whole operation process is simple and improves the efficiency of the operation.
[0027] The area of the suspension head 1 in contact with the tissue is set according to actual needs, and can play the role of driving the tissue to move and expand the surgical field. In this embodiment, the suspension head 1 is a cylindrical block with a hollow interior and an open end, and the opening is closer to the needle head of the puncture needle, providing a movable space for the suspension wire, so that after the puncture needle passes through the suspension head, the suspension wire can be smoothly unfolded. Figure 2 and 3 As shown, the suspension head 1 includes a cylindrical plate and an annular plate with one end of the cylindrical plate fixed, and the opening in the center of the annular plate serves as a through hole 11 for the puncture needle 3 to pass through. The through hole 11 serves to limit the movement path of the puncture needle 3. Figure 4 and 5 As shown, a cylinder coaxial with the opening of the annular plate is fixed inside the cylindrical plate, and the inner cavity of the cylinder is connected with the opening of the annular plate to form a through hole 11, that is, the length of the through hole 11 is lengthened, the limiting effect is better, and the length of the cylinder is less than the length of the cylindrical plate. The connection point between the suspension wire and the suspension head is located inside the suspension head to ensure that the end face of the suspension head is in contact with the tissue.
[0028] In some embodiments, Figure 2-5As shown, a winding drum 12 is fixed inside the suspension head 1, and one end of the suspension wire 2 away from the needle tail of the puncture needle 3 is wound on the winding drum 12, and the winding drum 12 is sleeved outside the through hole 11. A part of the suspension wire 2 is wound on the winding drum 12, so that the suspension wire 2 has a sufficient length, one end of the winding drum 12 is fixed on the annular plate, and the gap between the other end of the winding drum 12 and the cylindrical plate serves as the outlet of the suspension wire 2. In the process of the puncture needle 3 passing through the through hole 11, the suspension wire 2 is unwound from the outlet and released from the winding drum under the drive of the puncture needle 3, so that the puncture needle 3 can completely penetrate tissues of different thicknesses and move to the outside of the abdominal wall, and it is convenient to pull the puncture needle 3 outside the abdominal wall.
[0029] In some embodiments, the suspension head 1 is magnetically attracted to the head of the launching gun 4 , and the magnetic attraction facilitates the connection and separation of the suspension head 1 and the launching gun 4 .
[0030] like Figure 1 , 6 As shown in FIG. 7 , the firing gun 4 includes a gun barrel 41, a push rod 42 and a spring 43. The rod body of the push rod 42 is in a step shape. The rod body of the push rod 42 with a smaller diameter is close to the suspension head 1. The inner cavity of the gun barrel 41 is in a step shape matching the push rod 42. The gun barrel 41 is sleeved on the outside of the push rod 42. The push rod 42 slides along the inner cavity of the gun barrel 41. The minimum diameter of the inner cavity of the gun barrel 41 is larger than the outer diameter of the puncture needle 3. The spring 43 is sleeved on the rod body with a smaller outer diameter of the push rod 42. One end of the spring 43 is fixed on the step surface of the push rod 42, and the other end of the spring 43 is fixed on the step surface of the inner cavity of the gun barrel 41. In this embodiment, the needle tail portion of the puncture needle 3 can enter the gun barrel 41, and the outer diameter of the rod body of the push rod 42 close to the suspension head 1 is smaller than the inner diameter of the through hole 11. The rod body of the push rod 42 close to the suspension head can also enter the through hole to push the puncture needle. As shown in FIG. Figure 1 As shown, in the initial state, the suspension head 1 is magnetically adsorbed on the head end of the gun barrel 41, and the needle tail of the puncture needle 3 can enter the inner cavity of the gun barrel 41, and then push the push rod 42, as shown in FIG. Figure 6 and 7As shown, the spring 43 is compressed, and the head end of the push rod 42 contacts the needle tail of the puncture needle 3, pushing the puncture needle 3 to move along the through hole. If the rod body of the push rod 42 close to the suspension head is long enough, the push rod 42 can completely push the puncture needle 3 out of the suspension head 1, and the puncture needle 3 passes through the tissue and the abdominal wall. The length of the rod body of the push rod 42 close to the suspension head 1, that is, the rod body in contact with the puncture needle 3, is designed according to needs. As long as the puncture needle 3 can be pushed forward and the needle head of the puncture needle 3 can penetrate the tissue and the abdominal wall, it is not necessary to completely push the puncture needle 3 out of the suspension head 1. After the needle head of the puncture needle 3 passes through the tissue and the abdominal wall, the puncture needle 3 can be clamped and pulled outside the abdominal wall by surgical insertion to completely move the puncture needle 3 outside the abdominal wall. Preferably, the rod body of the push rod 42 close to the suspension head 1 is longer than the length of the cavity of the inner cavity of the barrel 41 close to the suspension head 1, so that when the spring 43 is compressed to the maximum state, the head of the push rod 42 protrudes to the outside of the barrel 41, ensuring that the needle tip of the puncture needle 3 can penetrate the tissue and the abdominal wall and move to the outside of the abdominal wall. The length of the rod body of the push rod 42 away from the suspension head 1 is greater than the length of the cavity of the barrel 41 with a larger diameter.
[0031] Optionally, a limit plate 44 is fixed to one end of the push rod 42 away from the suspension head 1 , and the diameter of the limit plate 44 is larger than the outer diameter of the barrel 41 , so as to facilitate the application of force when pushing the puncture needle 3 .
[0032] In some embodiments, a gripping handle 45 is symmetrically provided on the outer side wall of the end of the gun barrel 41 away from the suspension head 1 , so as to facilitate gripping and pushing the propulsion rod 42 .
[0033] The method of using the laparoscopic surgical field expansion device of this embodiment is as follows:
[0034] During laparoscopic surgery, multiple holes are punctured in the abdomen, and the suspension head 1 and the puncture needle 3 are magnetically attracted to the gun head position of the launch gun 4. The gun head of the launch gun 4, the suspension head 1 and the puncture needle 3 are inserted into one of the holes. The doctor holds the gun barrel 41, presses the thumb on the limit plate 44, and fits the index finger and the middle finger on the two gripping handles 45, and then pushes the push rod 42 to make the needle head of the puncture needle 3 pass through the tissue and abdominal wall 5 blocking the surgical field. At this time, the connection between the launch gun 4 and the suspension head 1 can be disconnected to separate the two, and then the needle head of the puncture needle 3 is clamped with surgical forceps such as hemostatic forceps, and the puncture needle 3 is completely pulled out of the abdominal wall, and then the puncture needle 3 is continued to be pulled. Through the pulling effect of the suspension line 2, one end of the suspension line release opening of the suspension head 1 contacts the tissue and drives the tissue to move, expand the surgical field, and expose the target position. Its state is as shown in FIG. Figure 8 After the operation is completed, the suspension wire 2 is cut off, and the part of the suspension wire 2 connected to the puncture needle 3 is taken out. The suspension head 1 can be taken out by magnetically sucking the suspension head 1 through the firing gun 4, or the suspension head 1 can be clamped out from the hole using a surgical insert.
[0035] The laparoscopic surgical field expansion device of the present application is simple to use and can improve surgical efficiency.
[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0037] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be an external connection between two elements or an interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0038] In the description of this specification, the description with reference to the terms "this embodiment", "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any at least one embodiment or example. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement and simple improvement made to the essential content of the present invention shall be included in the protection scope of the present invention.
Claims
1. A laparoscopic surgical field expansion device, characterized in that: It comprises a suspension head (1), a suspension line (2), a puncture needle (3) and a firing gun (4). The suspension head (1) is block-shaped, and a through hole (11) is provided at the center of the suspension head (1) for the puncture needle (3) to pass through. One end of the suspension wire (2) is connected to the suspension head (1), and the other end of the suspension wire (2) is connected to the needle tail of the puncture needle (3). The suspension head (1) is detachably connected to the gun head of the launch gun (4), and the launch gun (4) pushes the puncture needle (3) to move along the through hole (11) and pass through the tissue and abdominal wall that block the surgical field.
2. The laparoscopic surgical field expansion device according to claim 1, characterized in that: The suspension head (1) is magnetically attracted to the gun head of the launching gun (4).
3. The laparoscopic surgical field expansion device according to claim 1, characterized in that: The firing gun (4) comprises a gun barrel (41), a propulsion rod (42) and a spring (43); the rod body of the propulsion rod (42) is in a step shape; the rod body of the propulsion rod (42) with a smaller diameter is close to the suspension head (1); the inner cavity of the gun barrel (41) is in a step shape matching the propulsion rod (42); the gun barrel (41) is sleeved on the outside of the propulsion rod (42); the propulsion rod (42) slides along the inner cavity of the gun barrel (41); the spring (43) is sleeved on the rod body with a smaller outer diameter of the propulsion rod (42); one end of the spring (43) is fixed on the step surface of the propulsion rod (42); and the other end of the spring (43) is fixed on the step surface of the inner cavity of the gun barrel (41).
4. The laparoscopic surgical field expansion device according to claim 3, characterized in that: A limiting plate (44) is fixed to one end of the propulsion rod (42) away from the suspension head (1), and the diameter of the limiting plate (44) is greater than the outer diameter of the gun barrel (41).
5. The laparoscopic surgical field expansion device according to claim 3, characterized in that: A gripping handle (45) is symmetrically arranged on the outer side wall of the gun barrel (41) at one end away from the suspension head (1).
6. The laparoscopic surgical field expansion device according to claim 1, characterized in that: A winding drum (12) is fixed inside the suspension head (1), and one end of the suspension wire (2) away from the needle tail of the puncture needle (3) is wound around the winding drum (12), and the winding drum (12) is sleeved outside the through hole (11).