Clinical incision dilator for general surgery
By designing a cut-out dilator including an inner snap ring and an outer snap ring, using a combined structure of a movable block and an adjustment plate, the problem of not being able to fix the surgical instrument in the prior art is solved, and a greater surgical field of view and operation convenience is achieved.
Patent Information
- Application Number
- CN202420942451.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-05-06
AI Technical Summary
The existing incision dilators cannot fix surgical instruments when used, resulting in the need of medical staff to hold the instruments, occupying the surgical field of view, and affecting surgical operations.
A general clinical incision dilator is designed, including an inner snap ring and an outer snap ring. A freely movable block is provided on the outer snap ring, and an adjustment plate and a snap block are included in the movable block. The adjustment plate is fixed through a locking structure to achieve the fixation of the surgical instrument.
Effectively prevent the moving block from falling, simplify installation and disassembly, free medical staff from both hands, improve surgical vision and operation convenience, and flexibly adjust the position of the block to meet different surgical needs.
Smart Images

Figure CN222888974U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical equipment, and particularly relates to an incision dilator for general surgery clinical use. Background Art
[0002] The incision dilator is mainly used to isolate the contact between the incision tissue and the abdominal organs during clinical surgery, greatly reducing postoperative incision complications and incision infection. It can greatly retract the wound to expand the surgical field of view, protect the incision from damage, and shorten the operation time.
[0003] At present, the existing incision expander cannot fix the surgical instrument when in use, so one medical staff needs to hold the instrument while another medical staff performs the operation. The hand of the medical staff holding the instrument will occupy a larger surgical field of view, thus affecting the operation of the operation. Utility Model Content
[0004] The utility model aims to provide a general surgery clinical incision dilator to solve the technical problems raised in the background technology.
[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a general surgery clinical incision dilator, including an inner clamping ring and an outer clamping ring, the inner clamping ring and the outer clamping ring are connected by a channel, the upper surface of the outer clamping ring is provided with a plurality of movable blocks that can move freely along the direction of their path, a movable cavity is provided in the movable block, an adjustment plate is slidably connected in the movable cavity, a clamping block is provided at the end of the adjustment plate, and a locking structure for locking and fixing the adjustment plate is provided on the movable block.
[0006] Preferably, the outer retaining ring is located above the inner retaining ring, and the channel is a cylindrical ring structure.
[0007] Preferably, an annular groove is provided on the upper surface of the outer clamping ring along its path direction, and a sliding block slidably connected to the annular groove is provided at the middle portion of the bottom of the movable block.
[0008] Preferably, the annular groove separates the top of the outer retaining ring into an outer edge and an inner edge, an outer plate is provided at the bottom of the rear end of the movable block, and an inner plate is provided at the bottom of the front end of the movable block, an outer sliding opening is formed between the outer plate and the slider, and an inner sliding opening is formed between the inner plate and the slider, and the width of the outer sliding opening and the width of the inner sliding opening are respectively consistent with the thickness of the outer edge and the inner edge, and the length of the outer plate and the inner plate is equal to the height of the outer retaining ring.
[0009] Preferably, the curvatures of the slider, the outer plate and the inner plate all match the curvature of the outer clamping ring.
[0010] Preferably, the locking structure comprises a nut arranged on the upper surface of the movable block, the inner thread of the nut is connected with a locking screw, and the bottom of the locking screw extends into the inside of the movable cavity and contacts the upper surface of the adjustment plate.
[0011] Preferably, a bayonet is provided on the card block, and the card block is made of elastic memory material.
[0012] The utility model is a general surgery clinical incision dilator with the following advantages:
[0013] 1. The utility model arranges the outer plate and the inner plate, and cooperates with the slider, the annular groove, the outer edge and the inner edge, so that the movable block and the outer clamping ring are firmly engaged together, which can effectively prevent the movable block from falling off, and is convenient for installing and disassembling the movable block. It only needs to align the slider at the bottom of the movable block with the annular groove and put it on. The operation is simple, so it is convenient to install the corresponding number of movable blocks according to the surgical instruments placed as needed, thereby freeing the hands of medical staff, exposing a larger surgical field of view, and improving the convenience of surgical operation. In addition, since the movable block can be moved at will on the outer clamping ring, it is convenient to move the movable block to a position that does not hinder the surgical operation during the operation, and the flexibility is strong.
[0014] 2. By setting the adjustment plate and the movable block in sliding connection, the position of the clamping block can be flexibly adjusted according to the position of the surgical instrument, and the adjustment plate can be locked and fixed by tightening the locking screw, making the structure stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a structural schematic diagram of the movable block in the utility model;
[0018] Figure 3 This is an exploded view of the adjustment plate and the movable block in the utility model;
[0019] Explanation of markings in the figure: 1. Inner retaining ring; 2. Outer retaining ring; 3. Channel; 4. Annular groove; 5. Movable block; 6. Block; 7. Adjustment plate; 8. Outer edge; 9. Inner edge; 10. Bayonet; 11. Slider; 12. Outer plate; 13. Inner plate; 14. Outer sliding mouth; 15. Inner sliding mouth; 16. Locking screw; 17. Nut. DETAILED DESCRIPTION
[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.
[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", 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 the embodiments of the present invention and simplifying the description, rather than indicating or implying 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 embodiments of the present invention.
[0022] 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 one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0023] In the embodiments of the present utility model, 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, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.
[0025] In order to better understand the purpose, structure and function of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings.
[0026] like Figures 1-3 As shown, the utility model is a general surgery clinical incision dilator, including an inner clamping ring 1 and an outer clamping ring 2, the inner clamping ring 1 and the outer clamping ring 2 are connected by a channel 3, the outer clamping ring 2 is located above the inner clamping ring 1, and the channel 3 is a cylindrical ring structure, the upper surface of the outer clamping ring 2 is provided with a plurality of movable blocks 5 that can move freely along the path direction, the upper surface of the outer clamping ring 2 is provided with an annular groove 4 along the path direction, and a slider 11 slidably connected to the annular groove 4 is provided at the bottom middle part of the movable block 5, through the cooperation between the slider 11 and the annular groove 4, it is convenient to move the movable block 5 at will with the center of the outer clamping ring 2 as the center of the circle, so as to facilitate the movable block 5 to be moved to a position that does not hinder the surgical operation during the operation, and the flexibility is strong. The annular groove 4 separates the top of the outer snap ring 2 into an outer edge 8 and an inner edge 9, an outer plate 12 is provided at the bottom of the rear end of the movable block 5, and an inner plate 13 is provided at the bottom of the front end of the movable block 5. An outer sliding opening 14 is formed between the outer plate 12 and the slider 11, and an inner sliding opening 15 is formed between the inner plate 13 and the slider 11. The width of the outer sliding opening 14 and the width of the inner sliding opening 15 are respectively consistent with the thickness of the outer edge 8 and the inner edge 9, and the length of the outer plate 12 and the inner plate 13 is equal to the height of the outer snap ring 2. The curvature of the slider 11, the outer plate 12 and the inner plate 13 are consistent with the curvature of the outer snap ring 2. Through the arrangement of the outer plate 12 and the inner plate 13, and in combination with the slider 11, the annular groove 4, the outer edge 8 and the inner edge 9, the movable block 5 is firmly engaged with the outer clamping ring 2, which can effectively prevent the movable block 5 from falling off, and facilitate the installation and removal of the movable block 5. It is only necessary to align the slider 11 at the bottom of the movable block 5 with the annular groove 4 and put it on. The operation is simple, so that it is convenient to install the corresponding number of movable blocks 5 according to the surgical instruments placed as needed, thereby freeing the hands of medical staff, and exposing a larger surgical field of view, improving the convenience of surgical operation. A bayonet 10 is provided on the clamping block 6, and the clamping block 6 is made of elastic memory material. When in use, the surgical instrument can be fixed by clamping it in the bayonet 10.
[0027] A movable cavity is provided in the movable block 5, and an adjusting plate 7 is slidably connected in the movable cavity. A clamping block 6 is provided at the end of the adjusting plate 7, and a locking structure for locking and fixing the adjusting plate 7 is provided on the movable block 5. The locking structure includes a nut 17 provided on the upper surface of the movable block 5, and a locking screw 16 is connected to the inner thread of the nut 17. The bottom of the locking screw 16 extends into the movable cavity and contacts with the upper surface of the adjusting plate 7. By arranging the adjusting plate 7 to be slidably connected with the movable block 5, it is convenient to flexibly adjust the position of the clamping block 6 according to the position of the surgical instrument, and by tightening the locking screw 16, the adjusting plate 7 can be locked and fixed, so that the structure is stable and reliable.
[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. A general surgery clinical incision dilator, comprising an inner clamping ring (1) and an outer clamping ring (2), wherein the inner clamping ring (1) and the outer clamping ring (2) are connected via a channel (3), characterized in that: The upper surface of the outer clamping ring (2) is provided with a plurality of movable blocks (5) which can move freely along the path direction thereof, the movable blocks (5) are provided with movable cavities, an adjustment plate (7) is slidably connected in the movable cavity, a clamping block (6) is provided at the end of the adjustment plate (7), and a locking structure for locking and fixing the adjustment plate (7) is provided on the movable blocks (5).
2. The incision dilator for general surgery according to claim 1, characterized in that: The outer clamping ring (2) is located above the inner clamping ring (1), and the channel (3) is a cylindrical ring structure.
3. The incision dilator for general surgery according to claim 1, characterized in that: An annular groove (4) is provided on the upper surface of the outer clamping ring (2) along its path direction, and a sliding block (11) is provided at the middle portion of the bottom of the movable block (5) and is slidably connected to the annular groove (4).
4. The incision dilator for general surgery according to claim 3, characterized in that: The annular groove (4) separates the top of the outer clamping ring (2) into an outer edge (8) and an inner edge (9); an outer plate (12) is provided at the bottom of the rear end of the movable block (5); an inner plate (13) is provided at the bottom of the front end of the movable block (5); an outer sliding opening (14) is formed between the outer plate (12) and the slider (11); an inner sliding opening (15) is formed between the inner plate (13) and the slider (11); the width of the outer sliding opening (14) and the width of the inner sliding opening (15) are respectively consistent with the thickness of the outer edge (8) and the inner edge (9); and the length of the outer plate (12) and the inner plate (13) are equal to the height of the outer clamping ring (2).
5. The incision dilator for general surgery according to claim 4, characterized in that: The curvatures of the slider (11), the outer plate (12) and the inner plate (13) all match the curvature of the outer clamping ring (2).
6. The incision dilator for general surgery according to claim 1, characterized in that: The locking structure comprises a nut (17) arranged on the upper surface of the movable block (5), the nut (17) being internally threadedly connected to a locking screw (16), the bottom of the locking screw (16) extending into the interior of the movable cavity and contacting the upper surface of the adjustment plate (7).
7. The incision dilator for general surgery according to claim 1, characterized in that: The clamping block (6) is provided with a clamping opening (10), and the clamping block (6) is made of elastic memory material.