Non-injury liver retractor

By designing a damage-free liver retractor and using a combined structure of the L-shaped retractor and a U-shaped handle, the problem of vulnerability to the liver in the prior art is solved, stable traction to the liver is achieved, surgical risks are reduced, and the stability and applicability of the device are improved.

CN222787789UActive Publication Date: 2025-04-25PEOPLES HOSPITAL OF XINJIANG UYGUR AUTONOMOUS REGION
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Patent Information

Application Number
CN202421354473.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-25
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The fan-shaped forceps used in human laparoscopic liver surgery can easily cause liver damage and increase the risk of surgery.

Method used

A damage-free liver retractor is designed, including a handle, a pull rod and an L-shaped pull hook. All components are made of medical titanium alloy. The handle is U-shaped. The pull hook and the handle are integrated into an integrated structure, and are equipped with a protective sleeve and a retractable pull hook.

Benefits of technology

Through the design of the L-shaped pull hook and U-shaped handle, stable tumbling, lifting and traction of the liver is achieved, reducing the risk of liver damage, and improving the stability and applicability of the device through protective sleeves and telescopic structures.

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Abstract

The utility model relates to the technical field of surgical instruments, in particular to a non-injury liver retractor which comprises a handle, a retractor rod and a retractor hook, the handle, the retractor rod and the retractor hook are of an integrated structure, the retractor rod is located between the retractor hook and the handle, and the handle, the retractor rod and the retractor hook are all made of medical titanium alloy. The retractor hook is in an L shape, the handle is in a U shape, the outer surface of the handle is movably connected with a protective sleeve, the outer surface of one end of the retractor hook is sleeved with a medical hose, by arranging the protective sleeve, the friction force between the palm center and the handle can be effectively increased, and the handle is prevented from sliding off from the palm; the L-shaped retractor hook and the U-shaped handle are arranged, so that the L-shaped retractor hook and the U-shaped handle can be in contact with the liver conveniently, the liver can be shifted, lifted and dragged, the L-shaped retractor hook cannot cause injury to the liver in the using process, and the risk of an operation is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of surgical instruments, in particular to a non-damage liver retractor. Background Art

[0002] During laparoscopic liver surgery, the liver needs to be moved, pulled and pulled. As the liver is soft and tender, it is easy to be damaged during the moving, pulling and pulling process. The existing technology uses three-leaf or five-leaf fan-shaped forceps for surgery. The defect is that the blades of the fan-shaped forceps are thin and made of metal materials. There are gaps when the blades are opened, which can easily cause liver damage during the moving, pulling and pulling process, increasing the risk of surgery.

[0003] Therefore, it is necessary to provide a non-destructive liver retractor to solve the above technical problems. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a non-destructive liver retractor.

[0005] The utility model provides a non-damaging liver retractor, comprising: a handle, a retractor rod and a retractor hook, wherein the handle, the retractor rod and the retractor hook are an integrated structure, the retractor rod is located between the retractor hook and the handle, the handle, the retractor rod and the retractor hook are all made of medical titanium alloy, the retractor hook is L-shaped, the handle is U-shaped, the outer surface of the handle is movably connected to a protective sleeve, and the outer surface of one end of the retractor hook is sleeved with a medical hose.

[0006] Preferably, the retraction rod includes an upper end and a lower end, the top of the upper end is connected to the handle, the bottom of the lower end is connected to the retraction hook, and the bottom of the upper end is provided with a connecting screw hole, and the connecting screw hole is threadedly connected to the outer surface of the lower end.

[0007] Preferably, the upper portion of the lower end is coated with identification paint, and the outer surface of the upper end is movably connected to the second protective cover.

[0008] Preferably, the outer surface of the protective sleeve is provided with anti-slip convex patterns, and the bottom of the protective sleeve is provided with a plurality of protrusions, and the shape of the protrusions is arc-shaped.

[0009] Preferably, one end of the outer surface of the handle is sleeved with a first fixing ring, and the other end of the outer surface of the handle is threadedly connected to a second fixing ring.

[0010] Preferably, the medical hose is made of a transparent material, and one end of the retractor hook away from the medical hose is movably connected to a flat retractor.

[0011] Compared with the related art, the non-destructive liver retractor provided by the utility model has the following beneficial effects:

[0012] 1. The utility model provides a protective cover, which can effectively increase the friction between the palm and the handle when the hand grasps the handle, preventing the handle from slipping off the palm when subjected to external force or when the palm is sweating. The retractor hook is L-shaped and the handle is U-shaped, so that the retractor hook can contact the liver to move, pull and pull the liver. The L-shaped retractor hook will not cause damage to the liver during use, reducing the risk of surgery. The U-shaped handle further improves the stability of the handle when grasping.

[0013] 2. The utility model makes the pull rod a retractable structure by setting the upper end and the lower end, and realizes the up and down movement of the lower end inside the upper end by rotation, thereby realizing the adjustment of the length of the pull rod, which can improve the overall applicability of the device, and by providing a protective coating on the upper part of the lower end, it is convenient to remind the user of the rotation length when rotating and moving, prevent excessive rotation, move the lower end out of the connecting screw hole, and increase the friction of the outer surface of the upper end through the second protective sleeve, so as to facilitate rotation;

[0014] 3. The utility model can increase the friction of the protective cover by providing anti-slip convex patterns, thereby improving the stability of the handle when grasping, and by providing protrusions, it is easy to place fingers between the protrusions, which is convenient for users to grasp. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A structural schematic diagram of a preferred embodiment of a non-damage liver retractor provided by the utility model;

[0016] Figure 2 for Figure 1 The structural schematic diagram of the handle shown;

[0017] Numbers in the figure: 1. retractor hook; 2. retractor rod; 3. upper end; 4. lower end; 5. second protective cover; 6. protective cover; 7. protrusion; 8. first fixing ring; 9. second fixing ring; 10. medical hose; 11. retractor; 12. handle. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0019] 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 present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, if the terms "first", "second", "third", etc. appear, they are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0023] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] refer to Figure 1 to Figure 2The utility model provides a non-destructive liver retractor, comprising: a handle 12, a retractor rod 2 and a retractor hook 1, wherein the handle 12, the retractor rod 2 and the retractor hook 1 are an integrated structure, the retractor rod 2 is located between the retractor hook 1 and the handle 12, and the materials of the handle 12, the retractor rod 2 and the retractor hook 1 are all medical titanium alloys, the retractor hook 1 is L-shaped, the handle 12 is U-shaped, the outer surface of the handle 12 is movably connected to a protective cover 6, and the outer surface of one end of the retractor hook 1 is sleeved with a medical hose 10.

[0026] It should be noted that: by providing the protective cover 6, when the hand grasps the handle 12, the friction between the palm and the handle 12 can be effectively increased to prevent the handle 12 from slipping from the palm when subjected to external force or the palm is sweating. By setting the shape of the retractor hook 1 to be L-shaped and the shape of the handle 12 to be U-shaped, it is convenient to contact the liver through the retractor hook 1 to achieve the movement, lifting and traction of the liver. In addition, the L-shaped retractor hook 1 will not cause damage to the liver during use, thereby reducing the risk of surgery. In addition, the U-shaped handle 12 further improves the stability of the handle 12 when grasping.

[0027] In the embodiments of the present invention, reference is made to Figure 1 As shown, the retraction rod 2 includes an upper end 3 and a lower end 4, the top of the upper end 3 is connected to the handle 12, the bottom of the lower end 4 is connected to the retraction hook 1, and a connecting screw hole is provided at the bottom of the upper end 3, and the connecting screw hole is threadedly connected to the outer surface of the lower end 4.

[0028] In the embodiments of the present invention, reference is made to Figure 1 As shown, the upper portion of the lower end 4 is coated with identification paint, and the outer surface of the upper end 3 is movably connected to the second protective cover 5.

[0029] It should be noted that: by setting the upper end 3 and the lower end 4, the retraction rod 2 becomes retractable, and the lower end 4 is moved up and down inside the upper end 3 by rotation, thereby adjusting the length of the traction rod, which can improve the overall applicability of the device, and by providing a protective coating on the upper part of the lower end 4, it is convenient to remind the user of the rotation length when rotating and moving, to prevent excessive rotation, to remove the lower end 4 from the connecting screw hole, and to increase the friction of the outer surface of the upper end 3 through the second protective sleeve 5, so as to facilitate rotation.

[0030] In the embodiments of the present invention, reference is made to Figure 1 As shown, the outer surface of the protective sleeve 6 is provided with anti-slip convex patterns, and the bottom of the protective sleeve 6 is provided with a plurality of protrusions 7, and the shape of the protrusions 7 is arc-shaped.

[0031] It should be noted that by providing anti-slip convex patterns, the friction of the protective cover 6 can be increased, thereby improving the stability of the handle 12 when gripping, and by providing protrusions 7, it is convenient to place fingers between the protrusions 7, which is convenient for users to grip.

[0032] In the embodiments of the present invention, reference is made to Figure 1 As shown, one end of the outer surface of the handle 12 is sleeved with a first fixing ring 8 , and the other end of the outer surface of the handle 12 is threadedly connected to a second fixing ring 9 .

[0033] It should be noted that: by providing the first fixing ring 8 and the movably connected second fixing ring 9, the two ends of the protective sleeve 6 can be limited so that the protective sleeve 6 will not slide during use, thereby affecting subsequent use.

[0034] In the embodiments of the present invention, reference is made to Figure 1 As shown, the medical hose 10 is made of a transparent material, and one end of the retractor hook 1 away from the medical hose 10 is movably connected to a flat retractor 11 .

[0035] It should be noted that the flat retractor 11 is provided to prevent the liver from being moved, pulled and pulled, and to prevent the front end of the retractor hook 1 from being too sharp, thereby causing damage to the liver and increasing the risk of the operation.

[0036] The working principle of the non-destructive liver retractor provided by the utility model is as follows:

[0037] By providing the protective cover 6, when the hand grasps the handle 12, the friction between the palm and the handle 12 can be effectively increased to prevent the handle 12 from slipping off the palm when subjected to external force or when the palm sweats. By setting the shape of the retractor hook 1 to be L-shaped and the shape of the handle 12 to be U-shaped, it is convenient for the retractor hook 1 to contact the liver, thereby realizing the movement, lifting and traction of the liver. In addition, the L-shaped retractor hook 1 will not cause damage to the liver during use, thereby reducing the risk of surgery. In addition, the U-shaped handle 12 further improves the stability of the handle 12 when grasping.

[0038] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A non-damaging liver retractor, characterized in that: include: The handle (12), the retractor rod (2) and the retractor hook (1) are an integrated structure. The retractor rod (2) is located between the retractor hook (1) and the handle (12). The handle (12), the retractor rod (2) and the retractor hook (1) are all made of medical titanium alloy. The retractor hook (1) is L-shaped, and the handle (12) is U-shaped. The outer surface of the handle (12) is movably connected to a protective sleeve (6), and the outer surface of one end of the retractor hook (1) is sleeved with a medical hose (10).

2. A non-invasive liver retractor according to claim 1, characterized in that: The retraction rod (2) comprises an upper end (3) and a lower end (4), the top of the upper end (3) is connected to the handle (12), the bottom of the lower end (4) is connected to the retraction hook (1), and the bottom of the upper end (3) is provided with a connecting screw hole, and the connecting screw hole is threadedly connected to the outer surface of the lower end (4).

3. A non-invasive liver retractor according to claim 2, characterized in that: The upper part of the lower end (4) is coated with identification paint, and the outer surface of the upper end (3) is movably connected to the second protective cover (5).

4. A non-invasive liver retractor according to claim 3, characterized in that: The outer surface of the protective sleeve (6) is provided with anti-slip convex patterns, and the bottom of the protective sleeve (6) is provided with a plurality of protrusions (7), and the shape of the protrusions (7) is arc-shaped.

5. The non-invasive liver retractor according to claim 1, characterized in that: One end of the outer surface of the handle (12) is sleeved with a first fixing ring (8), and the other end of the outer surface of the handle (12) is threadedly connected to a second fixing ring (9).

6. The non-invasive liver retractor according to claim 1, characterized in that: The medical hose (10) is made of a transparent material, and one end of the retractor hook (1) away from the medical hose (10) is movably connected to a flat retractor (11).