Surgical wound expander

Abstract

The utility model discloses a surgical wound expander, and mainly relates to the technical field of wound expanders. Comprising a screw rod, the screw rod is rotatably connected with the connecting box, one end of the screw rod is fixedly connected with an adjusting knob, the arc surface of the screw rod is in threaded connection with an adjusting plate, the cross section of the adjusting plate is in an isosceles trapezoid shape, and the adjusting knob is fixedly connected with the adjusting plate. Sliding holes are formed in the two inclined waist sides of the adjusting plate correspondingly, sliding plates slidably penetrate through the two sides of the outer wall of the connecting box correspondingly, and the sliding plates are slidably connected with the inner walls of the sliding holes. The surgical wound expander has the advantages that the expanding assembly is arranged, a worker can control the two expanding plates to conduct expanding operation on a wound of a patient only by rotating the adjusting ring, medical workers can adjust the positions of the expanding plates in time, and the practicability of the surgical wound expander is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical field of wound dilator, especially to a surgical wound dilator. BACKGROUND

[0002] The surgical wound dilator is a kind of medical instrument for dilating wound in surgical process, and is usually used in some surgical occasions needing wound expansion to facilitate better operation of doctors.

[0003] The utility model discloses a thoracic surgery operation dilator discloses the technical scheme main points as follows: including control panel and setting up in the control panel bottom dilator, the inside of control panel is opened with operation cavity, and the inside of operation cavity is provided with mounting bracket, and the mounting bracket is fixedly provided with spring, and the other end of spring is fixedly connected with connecting plate, the bottom of connecting plate is fixedly connected with connecting rod, and the both sides of connecting rod are provided with limit rod, the utility model gives dilator small range and large range dilator adjustment function, and the dilator adjustment of size range is different, more adapt to the flexibility requirement of surgical dilator, and the adjustment mode is convenient and simple, and the stability of equipment dilator is strong.

[0004] For the related content in the above, the following technical defects are found: the surgical dilator in the prior art can only be adjusted by the medical staff in the position of the dilator plate during use, which can easily lead to the medical staff unable to adjust the position of the dilator plate in time, and further easily affect the progress of the operation, and reduce the practicability of the surgical dilator. UTILITY MODEL CONTENT

[0005] The utility model discloses a surgical wound dilator to solve the prior art in the prior art, the medical staff can only be adjusted by the medical staff in the position of the dilator plate during use, which can easily lead to the medical staff unable to adjust the position of the dilator plate in time, and further easily affect the progress of the operation, and reduce the practicability of the surgical dilator.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a surgical wound dilator, including connecting box and dilator assembly, the both sides of connecting box are fixedly connected with the grip ring, the section of grip ring is "U" shape, the dilator assembly is located on connecting box, the dilator assembly includes lead screw, the lead screw is rotatably connected with connecting box, one end of lead screw is fixedly connected with adjusting knob, the circular arc surface of lead screw is connected with adjusting plate, the section of adjusting plate is isosceles trapezoid, two oblique waist sides of adjusting plate are equipped with sliding hole, the both sides of the outer wall of connecting box are slidably provided with sliding plate, the inner wall of sliding hole is slidably connected with sliding plate, one side of sliding plate is fixedly connected with dilator plate, the section of dilator plate is "Z" shape.

[0007] The effect achieved by the above components is that by arranging the expansion assembly, the personnel only need to rotate the adjusting ring to control the two expansion plates to perform the expansion operation on the wound of the patient, so that the medical staff can timely adjust the position of the expansion plate, and the practicability of the surgical wound expander is improved.

[0008] Preferably, the upper surface and the lower surface of the adjusting plate are fixedly connected with a positioning plate, and the inner walls of the connecting box are provided with positioning holes on both sides.

[0009] The effect achieved by the above components is that when the screw rod drives the adjusting plate to move, the positioning plate fixed on the adjusting plate will slide along the inner wall of the positioning hole, so that the rotation deviation of the adjusting plate during movement can be avoided.

[0010] Preferably, the upper surface of the two expansion plates is fixedly connected with a pointer, and the outer wall of the expansion plate is provided with a scale.

[0011] The effect achieved by the above components is that by arranging the pointer and the scale, the personnel can accurately expand the wound of the patient with the expansion plate, thereby further improving the use of the surgical wound expander.

[0012] Preferably, the arc surface of the screw rod is threadedly connected with an adjusting ring, and the outer wall of the adjusting ring is uniformly provided with a plurality of anti-slip patterns.

[0013] The effect achieved by the above components is that rotating the adjusting ring to abut against the connecting box can lock and position the screw rod, thereby avoiding the shaking of the expansion plate caused by the accidental touch of the screw rod by the personnel.

[0014] Preferably, one end of the expansion plate is fixedly connected with a silica gel sleeve.

[0015] The effect achieved by the above components is that by arranging the silica gel sleeve on the expansion plate, the softness of the side surface of the expansion plate can be improved, so that the personnel can be prevented from being pinched by the expansion plate.

[0016] Preferably, the outer wall of the two expansion plates is sleeved with a sealing sleeve, and the outer wall of the sealing sleeve is fixedly connected with a hanging rope on one side.

[0017] The effect achieved by the above components is that when the surgical wound expander is not in use, the sealing sleeve can seal the expansion plate, which can effectively prevent external bacteria and other pollutants from adhering to the expansion plate.

[0018] Preferably, the outer wall of the connecting box is fixedly connected with a positioning column on one side, and the cross section of the positioning column is in the shape of "T".

[0019] The effect achieved by the above components is that when the sealing sleeve does not need to seal the expansion plates, the personnel can hang on the positioning column, thereby temporarily storing and limiting the sealing sleeve.

[0020] In conclusion, the utility model has the advantages of:

[0021] In the utility model, by setting the expansion assembly, personnel only need to rotate the adjusting ring to control two expansion plates to perform expansion operation on the wound of the patient, so that the medical staff can timely adjust the position of the expansion plate, and the practicability of the surgical wound expander is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] FIG. 1 is a schematic view of the structure of the utility model; Figure 1

[0023] FIG. 2 is a schematic view of the structure of the expansion assembly of the utility model; Figure 2 FIG. 3 is a schematic view of the local structure of the expansion assembly of the utility model;

[0024] Figure 3 FIG. 4 is a schematic view of part of the structure of the expansion assembly of the utility model;

[0025] FIG. 5 is a schematic view of the local structure of the expansion assembly of the utility model; Figure 4 FIG. 6 is a schematic view of the local structure of the expansion assembly of the utility model.

[0026] Figure 5 FIG. 7 is a schematic view of the local structure of the expansion assembly of the utility model.

[0027] The labels shown in the drawings: 1, connecting box; 2, handle ring; 3, expansion assembly; 301, screw rod; 302, adjusting knob; 303, adjusting plate; 304, sliding hole; 305, sliding plate; 306, expansion plate; 307, positioning hole; 308, positioning plate; 309, silica gel sleeve; 310, sealing sleeve; 311, hanging rope; 312, positioning column; 313, scale table; 314, pointer; 315, adjusting ring. DETAILED DESCRIPTION

[0028] The utility model will be further described below in combination with specific embodiments. It should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0029] Referring to Figure 1 The utility model provides a kind of technical scheme: a surgical wound expander, including connecting box 1 and expansion assembly 3, both sides of connecting box 1 are fixedly connected with handle ring 2, the section of handle ring 2 is "U" shape, and expansion assembly 3 is located on connecting box 1. ​​​

[0030] The specific setting and role of the expansion assembly 3 will be described below.

[0031] Referring to Figures 2 to 5 In the embodiment shown, the expansion assembly 3 includes a lead screw 301, which is rotationally connected to the connecting box 1. One end of the lead screw 301 is fixedly connected to an adjusting knob 302. The arc surface of the lead screw 301 is threadedly connected to an adjusting plate 303. The cross section of the adjusting plate 303 is isosceles trapezoidal. Two oblique sides of the adjusting plate 303 are each provided with a sliding hole 304. Two sides of the outer wall of the connecting box 1 are each slidably provided with a sliding plate 305. The sliding plate 305 is slidably connected to the inner wall of the sliding hole 304. One side of the sliding plate 305 is fixedly connected to an expansion plate 306. The cross section of the expansion plate 306 is “Z”-shaped. By arranging the expansion assembly 3, a person can control the two expansion plates 306 to perform expansion work on the wound of a patient by only rotating the adjusting ring 315. This allows medical personnel to timely adjust the position of the expansion plate 306, thereby improving the practicality of the surgical wound expander. The upper surface and the lower surface of the adjusting plate 303 are each fixedly connected to a positioning plate 308. Two sides of the inner wall of the connecting box 1 are each provided with a positioning hole 307. The positioning plate 308 is slidably connected to the inner wall of the positioning hole 307. When the lead screw 301 rotationally drives the adjusting plate 303 to move, the positioning plate 308 fixedly connected to the adjusting plate 303 will slide along the inner wall of the positioning hole 307, thereby avoiding rotational deviation during the movement of the adjusting plate 303. The upper surface of each of the two expansion plates 306 is fixedly connected to a pointer 314. One side of the outer wall of the expansion plate 306 is provided with a scale table 313. By arranging the pointer 314 and the scale table 313, a person can accurately expand the wound of a patient by using the expansion plate 306, thereby further improving the use of the surgical wound expander. The arc surface of the lead screw 301 is threadedly connected to an adjusting ring 315. The outer wall of the adjusting ring 315 is uniformly provided with a plurality of anti-slip patterns. Rotating the adjusting ring 315 to abut against the connecting box 1 can lock and position the lead screw 301, thereby avoiding the expansion plate 306 from shaking due to accidental contact of the lead screw 301 by a person. One end of the expansion plate 306 is fixedly connected to a silica gel sleeve 309. By arranging the silica gel sleeve 309 on the expansion plate 306, the softness of the side surface of the expansion plate 306 can be improved, thereby avoiding the expansion plate 306 from causing a person to be pinched. An outer wall of the two expansion plates 306 is sleeved with a sealing sleeve 310. One side of the outer wall of the sealing sleeve 310 is fixedly connected to a hanging rope 311. When the surgical wound expander is not in use, the sealing sleeve 310 can seal the expansion plate 306, which can effectively avoid external bacteria and other pollutants from adhering to the expansion plate 306. One side of the outer wall of the connecting box 1 is fixedly connected to a positioning column 312. The cross section of the positioning column 312 is “T”-shaped. When the sealing sleeve 310 is not needed to seal the expansion plate 306, a person can hang the sealing sleeve 310 on the positioning column 312, thereby temporarily storing and positioning the sealing sleeve 310.

[0032] The use method is as follows: when the surgical wound expander is needed to be used to expand the wound of a patient, the sealing sleeve 310 is separated from the expansion plate 306 by moving the hanging rope 311, the sealing sleeve 310 is temporarily stored and limited by hanging the hanging rope 311 on the positioning column 312, the two expansion plates 306 that are attached together are inserted into the wound of the patient, the screw rod 301 is driven to rotate by rotating the adjusting knob 302, the adjusting plate 303 is driven to move by the sliding hole 304 when the adjusting plate 303 moves, the sliding plate 305 is driven to move by the sliding hole 304 when the adjusting plate 303 moves, the two sliding plates 305 are simultaneously moved away from each other, the expansion plate 306 is driven to move by the sliding plate 305, the two expansion plates 306 are simultaneously moved away from each other, the wound of the patient is expanded by the expansion plate 306, the screw rod 301 is locked by rotating the adjusting ring 315 and abutting against the connecting box 1 when the wound of the patient is expanded to a proper size, the screw rod 301 is unlocked by rotating the adjusting ring 315 and separating from the connecting box 1 when the expansion plate 306 is used, the screw rod 301 is reversely rotated by rotating the adjusting knob 302, the adjusting plate 303 is reversely moved by the screw rod 301, the sliding plate 305 is reversely moved by the adjusting plate 303, the expansion plate 306 is driven to move by the sliding plate 305, the two expansion plates 306 are simultaneously moved towards each other, the sealing cloth is removed by moving the hanging rope 311 when the expansion plate 306 is sterilized, the sealing cloth is sleeved on the expansion plate 306, the expansion plate 306 is sealed, the positioning plate 308 on the adjusting plate 303 slides along the inner wall of the positioning hole 307 when the adjusting plate 303 is driven to move by the screw rod 301, the rotation deviation of the adjusting plate 303 is avoided, the expansion plate 306 is accurately expanded to the wound of the patient by the pointer 314 and the scale table 313, the use of the surgical wound expander is further improved, the softness of the side of the expansion plate 306 is improved by the silica gel sleeve 309 on the expansion plate 306, the expansion plate 306 does not hurt the person, the expansion plate 306 is sealed by the sealing sleeve 310 when the surgical wound expander is not used, the bacteria and other pollutants outside are effectively prevented from adhering to the expansion plate 306.

Claims

1. A surgical wound retractor comprising a coupling box (1) and a retractor assembly (3), characterized in that: Both sides of the connecting box (1) are fixedly connected with the handle ring (2), the cross section of the handle ring (2) is "U" shape, the expansion assembly (3) is located on the connecting box (1), the expansion assembly (3) includes the lead screw (301), the lead screw (301) is rotatably connected with the connecting box (1), one end of the lead screw (301) is fixedly connected with the adjusting knob (302), the circular arc surface of the lead screw (301) is threadedly connected with the adjusting plate (303), the cross section of the adjusting plate (303) is isosceles trapezoid, both sides of the adjusting plate (303) are provided with the sliding hole (304), both sides of the outer wall of the connecting box (1) are slidably provided with the sliding plate (305), the sliding plate (305) is slidably connected with the inner wall of the sliding hole (304), one side of the sliding plate (305) is fixedly connected with the expansion plate (306), the cross section of the expansion plate (306) is "Z" shape.

2. A surgical wound retractor according to claim 1, wherein: The upper surface and the lower surface of the adjusting plate (303) are fixedly connected with the positioning plate (308), both sides of the inner wall of the connecting box (1) are provided with the positioning hole (307), the positioning plate (308) is slidably connected with the inner wall of the positioning hole (307).

3. A surgical wound retractor according to claim 1, wherein: The upper surface of the two expansion plates (306) is fixedly connected with the pointer (314), one side of the outer wall of the expansion plate (306) is provided with the scale table (313).

4. A surgical wound retractor according to claim 1, wherein: The circular arc surface of the lead screw (301) is threadedly connected with the adjusting ring (315), the outer wall of the adjusting ring (315) is uniformly provided with a plurality of anti-skid lines.

5. The surgical wound retractor of claim 1, wherein: One end of the expansion plate (306) is fixedly connected with the silica gel sleeve (309).

6. A surgical wound retractor according to claim 1, wherein: The outer wall of the two expansion plates (306) is sleeved with the sealing sleeve (310), one side of the outer wall of the sealing sleeve (310) is fixedly connected with the hanging rope (311).

7. The surgical wound retractor of claim 1, wherein: One side of the outer wall of the connecting box (1) is fixedly connected with the positioning column (312), the cross section of the positioning column (312) is "T" shape.

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