Surgical retractor
By designing a retraction mechanism with a sleeve and retraction bracket, the problem of existing surgical retraction devices requiring multiple people to assist in installation and adjustment has been solved, enabling a single person to quickly retract the surgical field of view and reduce costs.
Patent Information
- Application Number
- CN202520244000.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing surgical retraction devices require two to three people to assist in installing and adjusting the retraction blades one by one, which is complicated and inconvenient.
A traction mechanism comprising a sleeve, a traction bracket, an inner liner, a rotating rod, a slider, and a side frame is designed. The slider is driven by a handle to slide, thereby achieving synchronous flipping of the four traction brackets and simplifying operation.
It enables a single person to quickly retract the tissues around the surgical incision, expand the surgical field, and the operation is simple, labor-saving, and cost-effective.
Smart Images

Figure CN223695929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to the technical field of medical instruments, specifically to a surgical retractor. BACKGROUND
[0002] Medical instrument refers to the instrument, equipment, appliance, in-vitro diagnostic reagent and calibrant, material and other similar or related articles for human body directly or indirectly, its purpose is mainly for the diagnosis, prevention, monitoring, treatment or mitigation of disease, the diagnosis, monitoring, treatment, mitigation or function compensation of injury, the test, replacement, adjustment or support of physiological structure or physiological process, and provides information for medical or diagnostic purposes by checking the sample from human body.
[0003] Abdominal surgery is a surgical operation, the abdominal cavity is a body cavity in the human abdomen, contains numerous important organs, in this area, disease diagnosis, treatment or organ repair operation, etc. In this process, surgical retractor is needed to pull open the tissue to facilitate medical personnel operation, in the existing surgical retractor, such as application number 202420424157.6 (an abdominal surgery incision retraction auxiliary device), 201020132524.3 (abdominal surgery retractor) and other patent schemes, the abdominal retractor is generally composed of a support main body (similar to a ring structure), a plurality of retraction blades (drag hooks) and a plurality of adjusting structures. In the process of use, the retraction blades need to be installed on the support main body one by one, and then the position of the retraction blade, i.e. the opening degree, is adjusted one by one through the adjusting structure. Two or three people are needed to assist during the operation, which is complicated and inconvenient to use. UTILITY MODEL CONTENTS
[0004] The utility model provides a surgical retractor to solve the technical problem of inconvenient operation of the existing surgical retractor in the background art, which needs two or three people to assist in installing and adjusting the position of the retraction blade on the support main body.
[0005] The utility model solves the above technical problems by the following technical scheme:
[0006] A surgical retractor comprises a retraction mechanism, the retraction mechanism comprises a hollow sleeve, four retraction supports and an inner liner, the inner liner is located at the upper end of the sleeve, the inner liner is screw-connected with a rotating rod, the lower end of the rotating rod is movably connected with a sliding block, the sliding block slides in the sleeve, the sliding block is hingedly connected with four side frames, and the lower end of each side frame is hingedly connected with a corresponding retraction support.
[0007] Further, the end of the sleeve close to the retraction support is provided with a connecting ring, and the four retraction supports are movably connected to the connecting ring.
[0008] Further, the front end of each of the retractor brackets is provided with an arc-shaped part, and the lower end of the arc-shaped part is a curved surface structure.
[0009] Further, four openings are equidistantly arranged on the outer wall of the sleeve, and the four protruding parts of the sliding block slide in the openings.
[0010] Further, the upper end of the sleeve is provided with a positioning plate.
[0011] Further, the upper end of the rotating rod is provided with a handle.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The sleeve, the connecting ring, the retractor bracket, the inner lining, the rotating rod, the handle, the sliding block and the side frame are arranged, in the process of the abdominal operation, the tissue and the organ around the operation incision can be quickly retracted, only need to rotate the handle, can open four retractor brackets simultaneously, support the incision into similar circular structure, expand the operation field of vision, it is simple and convenient to operate, saves time and labor, one person can complete, need not like traditional instrument generally adjusts one by one, and simple structure, low in cost, has certain practical value.
[0014] The utility model will be explained in detail in combination with the specific embodiment and the accompanying drawings. DRAWINGS
[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;
[0016] Fig. 2 It is the whole structure exploded schematic diagram of the utility model;
[0017] Fig. 3 It is the sleeve structure schematic diagram of the utility model.
[0018] In the drawing: 1, retraction mechanism;11, sleeve;111, connecting ring;112, opening;113, positioning plate;12, retractor bracket;121, arc-shaped part;13, inner lining;14, rotating rod;141, handle;15, sliding block;16, side frame. DETAILED DESCRIPTION
[0019] In order to facilitate understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, and the drawings give several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, provides these embodiments is to make the disclosed content of the utility model more thorough and comprehensive.
[0020] It is to be understood that where an element such as a layer, region or substrate is described as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element such as a layer, region or substrate is described as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0021] Reference will now be made in detail to the embodiments of the present application, one or more examples of which are shown in the drawings. Figs. 1-3 The utility model provides a surgical retractor device, including retractor mechanism 1, retractor mechanism 1 includes the sleeve 11 of inside hollow, four retractor support 12 and inner liner 13, inner liner 13 is located the upper end of sleeve 11, the inner liner 13 is screw connected with rotating rod 14, the lower end of rotating rod 14 swingly connected with sliding block 15, and sliding block 15 slides in sleeve 11, four side frames 16 are hinged to sliding block 15, and the lower end of each side frame 16 is hinged with corresponding retractor support 12.
[0022] Through the above structure, in the process of carrying out abdominal operation, the tissue and organ around the surgical incision can be quickly retracted, the surgical field is enlarged, it is simple and convenient to operate, saves time and effort, and one person can complete, need not like traditional instrument generally adjusts one by one, and the simple structure is low in cost, has certain practical value.
[0023] Specific operation is as follows, first, the arc-shaped part 121 of retractor support 12 is placed into the lower end abdominal incision, and the positioning plate 113 is installed on the bracket (prior art structure, not drawn in the figure) of both sides of medical bed through bolt, then rotates handle 141, pulls sliding block 15 to move up, and four retractor supports 12 are made to turn up as the fulcrum of the connecting position of connecting ring 111 through the traction of upper side frame 16 of sliding block 15, to reach the purpose of retraction of the four around abdominal cavity simultaneously.
[0024] Reference will now be made in detail to the embodiments of the present application, one or more examples of which are shown in the drawings. Fig. 2 and attached Fig. 3The sleeve 11 is provided with a connecting ring 111 near one end of the retractor 12, four retractor 12s are movably connected to the connecting ring 111, and a fulcrum for turning the retractor 12 upward is provided through the connecting ring 111. The front end of each retractor 12 is provided with an arc-shaped part 121, and the lower end of the arc-shaped part 121 is a curved surface structure. Through the design of the arc-shaped part 121, the tissue at the incision is facilitated to be retracted, and the tissue damage is reduced. Four openings 112 are equidistantly arranged on the outer wall of the sleeve 11, and the four protruding parts of the sliding block 15 slide in the openings 112. The movement of the sliding block 15 is facilitated through the openings 112. The upper end of the sleeve 11 is provided with a positioning plate 113. The device is installed on the supports on both sides of the medical bed through the positioning plate 113. The upper end of the rotating rod 14 is provided with a handle 141. The rotating rod 14 is facilitated to rotate through the handle 141.
[0025] The utility model is described above in conjunction with the drawings, and obviously, the specific implementation of the utility model is not limited by the above mode. As long as the method concept and the technical scheme of the utility model are adopted for such non-essential improvement or the concept and the technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A surgical retraction device comprising a retraction mechanism (1), characterized in that, The retractor mechanism (1) comprises a hollow sleeve (11), four retractor supports (12) and an inner lining (13), the inner lining (13) is located at the upper end of the sleeve (11), the inner lining (13) is threadedly connected with a rotating rod (14), the lower end of the rotating rod (14) is movably connected with a sliding block (15), the sliding block (15) slides in the sleeve (11), the sliding block (15) is hingedly connected with four side frames (16), and the lower end of each side frame (16) is hingedly connected with a corresponding retractor support (12).
2. A surgical retractor according to claim 1, wherein, The sleeve (11) is provided with a connecting ring (111) at one end close to the retractor supports (12), and the four retractor supports (12) are movably connected to the connecting ring (111).
3. The surgical retractor of claim 1, wherein: The front end of each retractor support (12) is provided with an arc-shaped part (121), and the lower end of the arc-shaped part (121) is a curved surface structure.
4. The surgical retractor of claim 2, wherein: Four openings (112) are equidistantly arranged on the outer wall of the sleeve (11), and the four protruding parts of the sliding block (15) slide in the openings (112).
5. A surgical retractor according to claim 4, wherein, The upper end of the sleeve (11) is provided with a positioning plate (113).
6. The surgical retractor of claim 1, wherein, The upper end of the rotating rod (14) is provided with a handle (141).
Citation Information
Patent Citations
Abdominal surgery retracting device
CN201642139U
Abdominal cavity operation incision retraction auxiliary device
CN222075239U