CN113679451B - A skateboard surgical instrument - Google Patents

Abstract

The invention discloses a skateboard type surgical instrument, the structure of which comprises a main body, a handle, and an anti-slip cover. The rear end of the main body is provided with a handle, two handles are provided and engaged with the main body, two anti-slip covers are provided, Nested in the handle respectively, the main body includes a movable groove, a sliding plate, and a locking device. The sliding plate includes a sliding plate, a rotating shaft, a cutter head, an engaging shaft, and an engaging rod. Positioning device, the limiting device includes a limiting block, a rotating groove, and a roller, and the roller includes a wheel body, an inlaid shaft, a rubber layer, an empty groove, and a concave groove. The present invention utilizes the handle to drive the sliding plate to move backward, so that the sliding plate The knife head is opened by the locking rod, and the sliding plate is moved forward when the handle is closed, so that the sliding plate can drive the knife head to close through the locking bar, so that the side end of the main body can be placed between the ribs, avoiding the handle of the scissors Restricted by the position of the ribs, the surgeon can perform the operation more smoothly.

Description

A skateboard surgical instrument

technical field

The invention relates to the field of surgical instruments, in particular to a slide-type surgical instrument.

Background technique

The original thoracic surgical instruments are suitable for traditional thoracotomy, that is, sawing the sternum or cutting the ribs to expose the surgical field of view, but now the operation method is changed to a thoracoscopic or thoracoscopic-assisted small incision, that is, the sternum is not removed. Saw or cut off the ribs, make a hole directly in the chest, or perform surgery through the rib gap. The surgical field of view is connected to the operating room monitor through the thoracoscope, so it needs to be operated with skateboard surgical instruments to complete the operation perfectly. .

Based on the inventor's discovery above, the existing skateboard type surgical instrument mainly has the following disadvantages, for example: when performing a thoracotomy, it is necessary to pass the surgical scissors through the ribs to perform the operation, and when operating the scissors Sometimes, when the scissors open and close greatly, the handle of the scissors is easy to get stuck in the ribs, which restricts the doctor's operation and affects the patient's operation effect.

Contents of the invention

In view of the above problems, the present invention provides a slide-type surgical instrument.

In order to achieve the above object, the present invention is achieved through the following technical solutions: a skateboard surgical instrument, the structure of which includes a main body, a handle, and an anti-slip sleeve, the rear end of the main body is provided with a handle, and the handle is provided with two , and engaged with the main body, the anti-slip sleeves are provided with two, and are respectively nested in the handle, the main body includes a movable groove, a slide plate, and a locking device, the movable groove is arranged inside the main body, and the The sliding plate is engaged with the inside of the movable groove, and the engaging device is installed at the rear end of the movable groove and movably cooperates with the sliding plate.

Further, the sliding plate includes a sliding plate, a rotating shaft, a cutter head, an engaging shaft, and an engaging rod. The sliding plate is engaged in the middle of the movable groove, and the rotating shaft is arranged at the front end of the movable groove. There are two cutter heads, one of which is embedded in the bottom end of the main body, and the other end is engaged with the rotating shaft. The engaging shaft is embedded in the bottom of the rear end of the cutter head. One end of the engaging rod is connected to The engaging shaft is connected to the sliding plate at the other end, and the engaging rod is movably engaged with the sliding plate.

Further, the sliding plate includes a sliding groove, a notch, a connecting column, and a limit device. There are three sliding grooves arranged transversely inside the sliding plate. There are two notches, and they are respectively set At the upper and lower ends of the sliding groove, there are six connecting columns, two of which are embedded in the end surface of the movable groove, and the connecting columns are located in the middle of the notch and are aligned. The upper end and the lower end are respectively connected with the connecting column, and the limiting device is engaged with the sliding groove.

Further, the limiting device includes a limiting block, a rotating groove, and a roller. The limiting block is in the shape of a rectangle. There are four rotating grooves, which are arranged in groups of two at the front and rear of the limiting block. At both ends, there are four rollers installed in the rotating groove, and the rollers are engaged with the rotating groove.

Further, the roller includes a wheel body, an inlaid shaft, a rubber layer, an empty groove, and a concave groove. The side end surface of the wheel body is provided with an inlaid shaft, and the inlaid shaft is engaged with the rotating groove. Fitted on the outer end surface of the wheel body, there are five empty grooves arranged around the inside of the rubber layer, eight recessed grooves arranged around the outer end surface of the rubber layer, and the concave grooves are arranged around the outer end surface of the rubber layer. The shape of the groove gradually bends from the middle to both ends.

Further, the engaging device includes a roller, a support block, a return spring, and a swing lever, the roller is engaged in the middle of the rear end of the main body, the support block is embedded in the bottom end of the roller, and the reset The spring is installed on the upper end surface of the support block, one end of the swing rod is connected to the roller, and the other end is connected to the rear end of the slide plate, and the return spring is movably matched with the support block.

Further, the roller includes a shaft body, a slot, a rotating shaft, and a buffer block. The shaft body is engaged with the rear end of the main body. Inside, the buffer block is embedded in the bottom of the shaft body, and the rotating shaft is engaged with the swing rod.

Further, the buffer block includes a support seat, a rubber block, a buffer layer, and a support bar, the support seat is embedded in the bottom end of the shaft body, the rubber block is embedded in the upper end surface of the support seat, and the buffer layer There are two supporting bars, which are respectively embedded on the upper end surface of the rubber block. There are two supporting bars, which are respectively embedded at both ends of the bottom of the buffer layer. The supporting bars are made of rubber, and the width is from the middle to The ends gradually widen.

Beneficial effect

Compared with the prior art, the present invention has the following beneficial effects:

1. The present invention uses the opening handle to drive the sliding plate to move backward, so that the sliding plate can drive the cutter head to open through the engaging rod, and the closing handle drives the sliding plate to move forward, allowing the sliding plate to drive the cutter head through the engaging rod Closed so that the side end of the main body can be placed between the ribs, preventing the handle of the scissors from being restricted by the position of the ribs, and ensuring that the surgeon can perform the operation more smoothly.

2. In the present invention, when the shaft rotates to the maximum angle, the buffer layer is in contact with the inner wall of the main body, so that the shaft is buffered, the smoothness of the surgical instrument is enhanced, and the scissors are prevented from appearing when the surgeon is operating. The situation of Caton allows the surgeon to perform the operation more smoothly.

Description of drawings

Fig. 1 is a front structural schematic diagram of a slide-board surgical instrument according to the present invention.

Fig. 2 is a schematic top view structure diagram of the main body of the present invention.

Fig. 3 is a front view structural schematic view of the skateboard of the present invention.

Fig. 4 is a schematic top view structural diagram of the sliding plate of the present invention.

Fig. 5 is a front structural schematic view of the limiting device of the present invention.

Fig. 6 is a top view structure diagram of the roller of the present invention.

FIG. 7 is a schematic top view of the engaging device of the present invention.

Fig. 8 is a schematic top view structure diagram of the roller of the present invention.

Fig. 9 is a schematic top view structure diagram of the buffer block of the present invention.

In the figure: main body 1, handle 2, anti-slip sleeve 3, movable groove 11, sliding plate 12, engaging device 13, sliding plate 121, rotating shaft 122, cutter head 123, engaging shaft 124, engaging rod 125, sliding groove a1 , notch a2, connecting column a3, limit device a4, limit block a41, rotation groove a42, roller a43, wheel body b1, inlaid shaft b2, rubber layer b3, empty groove b4, recessed groove b5, roller c1, Support block c2, return spring c3, swing lever c4, shaft c11, slot c12, rotating shaft c13, buffer block c14, support seat d1, rubber block d2, buffer layer d3, support bar d4.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Embodiment 1: please refer to Fig. 1-Fig. 6, the specific embodiment of the present invention is as follows:

Its structure includes a main body 1, a handle 2, and an anti-slip cover 3. The rear end of the main body 1 is provided with a handle 2, and the handle 2 is provided with two, and is engaged with the main body 1. and respectively nested in the handle 2, the main body 1 includes a movable groove 11, a sliding plate 12, and an engaging device 13, the movable groove 11 is arranged inside the main body 1, and the sliding plate 12 is engaged with the movable groove 11 Inside, the engaging device 13 is installed at the rear end of the movable groove 11, and cooperates with the sliding plate 12 to facilitate the swinging handle 2 to drive the sliding plate to expand and contract, so that the front end of the sliding plate 12 can be opened and closed.

The sliding plate 12 includes a sliding plate 121, a rotating shaft 122, a cutter head 123, an engaging shaft 124, and an engaging rod 125. The sliding plate 121 is engaged in the middle of the movable groove 11, and the rotating shaft 122 is arranged on At the front end of the movable groove 11, there are two cutter heads 123, one of which is embedded in the bottom end of the main body 1, and the other end is engaged with the rotating shaft 122, and the engaging shaft 124 is embedded in the rear of the cutter head 123. At the bottom of the end, one end of the engaging rod 125 is connected to the engaging shaft 124, and the other end is connected to the sliding plate 121. The engaging rod 125 is movably engaged with the sliding plate 121, which is beneficial to allow the side end of the main body 1 to Placed between the ribs to prevent the handle of the scissors from being restricted by the position of the ribs.

The sliding plate 121 includes a sliding groove a1, a notch a2, a connecting column a3, and a limiter a4. There are three sliding grooves a1 arranged laterally inside the sliding plate 121. The notch a2 is provided with two and are respectively arranged at the upper and lower ends of the sliding groove a1, and the connecting columns a3 are provided with six, which are embedded in the end surface of the movable groove 11 with two as a group, and the position of the connecting columns a3 is located at the edge of the notch a2 The middle is aligned, the upper end and the lower end of the limiting device a4 are respectively connected with the connecting column a3, and the limiting device a4 is engaged with the sliding groove a1, which is conducive to allowing the sliding plate 121 to be limited when it is moving. The support of the device a4 can be more stable.

The limiting device a4 includes a limiting block a41, a rotating slot a42, and a roller a43. The limiting block a41 is in a rectangular shape, and four rotating slots a42 are arranged in groups of two at the limiting position. At the front and rear ends of the block a41, four rollers a43 are installed in the rotating groove a42. The rollers a43 are engaged with the rotating groove a42, which is beneficial to pass the upper and lower end surfaces of the roller a43 and the sliding groove a1. The end faces are in contact.

The roller a43 includes a wheel body b1, an inlaid shaft b2, a rubber layer b3, an empty groove b4, and a concave groove b5. The side end surface of the wheel body b1 is provided with an inlaid shaft b2, and the inlaid shaft b2 is engaged with the rotation groove a42 Together, the rubber layer b3 is attached to the outer end surface of the wheel body b1, the five empty grooves b4 are arranged around the inside of the rubber layer b3, and the eight concave grooves b5 are arranged around the inner surface of the rubber layer b3. Arranged on the outer end surface of the rubber layer b3, the shape of the concave groove b5 gradually bends from the middle to both ends, which is conducive to allowing the rubber layer b3 to keep adhering to the end surface of the sliding groove a1 for rolling, and to strengthen the sliding of the sliding plate 121. stability.

Based on the above-mentioned embodiment, the specific working principle is as follows: when the scissors open and close to a large extent, the handle of the scissors is easy to get stuck in the ribs, and the skateboard can be driven to expand and contract by swinging the handle 2, so that the front end of the skateboard 12 can be opened. It is convenient to carry out surgical operation, and then the sliding plate 121 is moved backward by opening the handle 2, so that the sliding plate 121 can drive the cutter head 123 to open through the engaging rod 125, and the sliding plate 121 is moved forward when the closing handle is closed. , the sliding plate 121 can drive the cutter head 123 to close through the engaging rod 125, so that the side end of the main body 1 can be placed between the ribs, so that the handle of the scissors is prevented from being restricted by the position of the ribs, and the doctor can perform the operation more smoothly. Then use the sliding groove a1 in the sliding plate 121 to engage with the limiting device a4, so that the sliding plate 121 can be more stable when being supported by the limiting device a4 when moving, and then use the upper and lower end surfaces of the roller a43 and the sliding groove The upper and lower end surfaces of a1 are in contact, thereby reducing the friction between the limit block a41 and the sliding groove a1, so that the handle 2 can be opened and closed more smoothly, and finally, the depression in the rubber layer b3 is used Groove b5 is in contact with the upper and lower end surfaces of the sliding groove a1, so that the rubber layer b3 can keep adhering to the end surface of the sliding groove a1 for rolling, enhance the stability of the sliding plate 121 when sliding, and prevent the handle of the scissors from being stuck in the ribs , It is convenient for the surgeon to perform the operation.

Embodiment 2: please refer to Fig. 7-Fig. 9, the specific embodiment of the present invention is as follows:

The engaging device 13 includes a roller c1, a support block c2, a return spring c3, and a swing lever c4. The roller c1 is engaged in the middle of the rear end of the main body 1, and the support block c2 is embedded in the center of the roller c1. At the bottom end, the return spring c3 is installed on the upper surface of the support block c2, one end of the swing lever c4 is connected to the roller c1, and the other end is connected to the rear end of the sliding plate 121, the return spring c3 is connected to the support block The active cooperation of c2 is beneficial to reset the lower support block c2 through the return spring c3 to assist the counterclockwise rotation of the roller c1.

The roller c1 includes a shaft body c11, a slot c12, a rotating shaft c13, and a buffer block c14. c13 is horizontally installed inside the slot c12, the buffer block c14 is embedded in the bottom of the shaft c11, and the rotating shaft c13 is engaged with the swing rod c4, which is beneficial to drive the sliding plate 121 forward or inward through the swing rod c4. move afterwards.

The buffer block c14 includes a support seat d1, a rubber block d2, a buffer layer d3, and a support bar d4. The support seat d1 is embedded on the bottom of the shaft c11, and the rubber block d2 is embedded on the top of the support seat d1. There are two end faces of the buffer layer d3, which are respectively embedded on the upper end face of the rubber block d2, and two support bars d4 are respectively embedded at both ends of the bottom of the buffer layer d3. The strip d4 is made of rubber, and its width gradually expands from the middle to both ends, which is conducive to the contact between the buffer layer d3 and the inner wall of the main body 1, thereby allowing the shaft c11 to be buffered and enhancing the smoothness of the surgical instrument during use.

Based on the above-mentioned embodiment, the specific working principle is as follows: the return spring c3 and the support block c2 are used to move and cooperate, and the handle 3 can be opened to drive the roller c1 to rotate clockwise, so that the swing rod c4 can drive the sliding plate 121 to move backward, so that the cutter head 123 can be opened, and then the lower support block c2 can be reset by the reset spring c3 to assist the roller c1 to rotate counterclockwise, so that the sliding plate 121 drives the cutter head 123 to close, and then the rotating shaft c13 is used to engage with the swing lever c4, The swing rod c4 can drive the sliding plate 121 to move forward or backward, and finally when the shaft c11 rotates to the maximum angle, the buffer layer d3 is in contact with the inner wall of the main body 1, so that the shaft c11 can be cushioned and the operation is strengthened The smoothness of the instrument prevents the scissors from jamming when the surgeon is operating, allowing the surgeon to perform the operation more smoothly.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (2)

1. A skateboard type surgical instrument, its structure includes a main body (1), a handle (2), an anti-slip cover (3), the rear end of the main body (1) is provided with a handle (2), and the handle (2) There are two, and they are engaged with the main body (1), and there are two anti-slip sleeves (3), and they are respectively nested in the handle (2), and the features are as follows: The main body (1) includes a movable groove (11), a sliding plate (12), and an engaging device (13), the movable groove (11) is arranged inside the main body (1), and the sliding plate (12) is engaged with Inside the movable groove (11), the engaging device (13) is installed at the rear end of the movable groove (11) and movably cooperates with the slide plate (12); The sliding plate (12) includes a sliding plate (121), a rotating shaft (122), a cutter head (123), an engaging shaft (124), and an engaging rod (125), and the sliding plate (121) is engaged with the movable In the middle of the slot (11), the rotating shaft (122) is set at the front end of the movable slot (11), and there are two cutter heads (123), one of which is embedded in the bottom of the main body (1) , the other upper cutter head (123) is engaged with the rotating shaft (122), the said engaging shaft (124) is embedded in the bottom of the rear end of the cutter head (123), the said engaging rod (125) One end is connected to the engaging shaft (124), and the other end is connected to the sliding plate (121); The sliding plate (121) includes a sliding groove (a1), a notch (a2), a connecting column (a3), and a limit device (a4). There are three sliding grooves (a1) arranged horizontally on the sliding plate (121), there are two notches (a2), which are respectively arranged at the upper and lower ends of the sliding groove (a1), and six connecting columns (a3), two of which are used as a group Embedded in the end face of the movable groove (11), and the position of the connecting column (a3) is aligned with the middle of the notch (a2), the upper end and the lower end of the limiting device (a4) are respectively aligned with the connecting column (a3) connect; The limiting device (a4) includes a limiting block (a41), a rotating slot (a42), and a roller (a43). The limiting block (a41) is rectangular in shape, and the rotating slot (a42) is provided with four , and set two as a group at the front and rear ends of the limit block (a41), and the four rollers (a43) are installed in the rotation groove (a42); The roller (a43) includes a wheel body (b1), an inlaid shaft (b2), a rubber layer (b3), an empty groove (b4), and a concave groove (b5), and the side end surface of the wheel body (b1) is provided with an inlaid shaft (b2), the inlaid shaft (b2) is engaged with the rotation groove (a42), the rubber layer (b3) is attached to the outer end surface of the wheel body (b1), and the empty groove (b4) is provided with five, arranged around the inside of the rubber layer (b3), and eight recessed grooves (b5), arranged around the outer end surface of the rubber layer (b3); The engaging device (13) includes a roller (c1), a support block (c2), a return spring (c3), and a swing lever (c4), and the roller (c1) is engaged with the rear end of the main body (1). In the middle, the support block (c2) is fixed on the bottom end of the roller (c1), the return spring (c3) is installed on the upper end surface of the support block (c2), and one end of the swing lever (c4) is connected to a roller (c1), and the other end is connected to the rear end of the sliding plate (121); The roller (c1) includes a shaft body (c11), a slot (c12), a rotating shaft (c13), and a buffer block (c14). The shaft body (c11) is engaged with the rear end of the main body (1), so The slot (c12) is located at the front end of the shaft body (c11), the rotating shaft (c13) is horizontally installed inside the slot (c12), and the buffer block (c14) is embedded in the bottom of the shaft body (c11). 2. A slide-type surgical instrument according to claim 1, characterized in that: the buffer block (c14) includes a support seat (d1), a rubber block (d2), a buffer layer (d3), a support bar (d4 ), the support seat (d1) is fixed on the bottom end of the shaft body (c11), the rubber block (d2) is fixed on the upper end surface of the support seat (d1), and the buffer layer (d3) is provided with two Two support bars (d4) are respectively embedded on the upper end surface of the rubber block (d2), and are respectively embedded on both ends of the bottom of the buffer layer (d3).

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