Minimally invasive scalpel

Abstract

A driving assembly is movably connected to the interior of a scalpel cylinder, an ejection assembly is arranged at one end of the driving assembly and connected with the driving assembly in a buckled mode, and a protection assembly is further arranged at one end of the scalpel cylinder and drives the driving assembly to move in the scalpel cylinder in a reciprocating mode. The ejection assembly is driven to penetrate through the interior of the protection assembly to do reciprocating motion; during minimally invasive surgery, firstly, the knife cylinder is placed into a wound hole, then when the driving assembly is driven, the driving assembly drives the ejection assembly to penetrate through the interior of the protection assembly to be ejected out, and in the process, the situation that tissue is damaged when the knife body passes through skin and organs and reaches a tumor part can be effectively prevented; and the alcohol cotton can be used for repeatedly disinfecting the ejection assembly while the ejection assembly is repeatedly used, so that the ejection assembly is always wiped by the alcohol cotton every time the knife is discharged.

Description

TECHNICAL FIELD

[0001] The present application relates to a minimally invasive surgical knife, in particular to a minimally invasive surgical knife. BACKGROUND

[0002] Tumor refers to the new biological formed by the local tissue cell proliferation under the action of various carcinogens. According to the cell characteristics of the new biological and the degree of harm to the body, the tumor can be divided into two categories: benign tumor and malignant tumor. The benign tumor grows slowly and does not metastasize, and it is not easy to recur after excision, so the benign tumor can be removed by surgery to achieve the purpose of cure. For benign tumor, open surgery is generally used to remove it to achieve the purpose of cure.

[0003] A surgical knife with replaceable surgical knife body specifications is disclosed in the publication CN216090697U, authorized on March 22, 2022. The surgical knife includes a surgical knife main body rod, one end of which is provided with elastic fixing end head rods, and the elastic fixing end head rods are provided with two, both of which are integrally formed with the surgical knife main body rod. Both of the elastic fixing end head rods are provided with installation inner cavities, and both sides of the inner walls of the two elastic fixing end head rods are provided with fixed rod bodies, and the fixed rod bodies are provided with two, both of which are fixedly connected with both sides of the inner walls of the two elastic fixing end head rods. The inside of the installation inner cavity is provided with a surgical knife body.

[0004] Tumors are treated differently depending on their malignancy and benignity. For example, for benign tumors, minimally invasive surgery is needed to remove them in order to further prevent the spread of tumors. During the removal, the patient's skin surface is first opened, and then the surgical knife is operated. In this process, when the surgical knife reaches the tumor site, it is difficult to avoid contacting other organ tissues or skin tissues. Due to the sharpness of the blade edge, it will scratch the contacted body, and after each operation, the surgical knife soaked with blood needs to be repeatedly placed in alcohol solution for disinfection. Therefore, a minimally invasive surgical knife is needed to solve the above problems. SUMMARY

[0005] The purpose of the present application is to provide a minimally invasive surgical knife to solve the above problems in the prior art.

[0006] In order to achieve the above purpose, the present application provides the following technical scheme:

[0007] The utility model provides a kind of minimally invasive surgical knife, the one end of the knife cylinder is movably connected with driving assembly, the inside of the driving assembly is threadedly connected with ejection assembly, the one end of the knife cylinder is also provided with protection assembly, the driving assembly is rotated in the one end of knife cylinder, drives ejection assembly and is ejected through the inside of protection assembly;The protection assembly includes protective sleeve, the inside of the protective sleeve is provided with sponge and alcohol cotton;The ejection assembly includes blade body, the blade body has a blade slot;The end surface of the blade body is arc-shaped.

[0008] Preferably, the driving assembly includes a rotating cylinder, the rotating cylinder is rotatably connected with the knife cylinder, the inside of the rotating cylinder is threadedly connected with an ejection rod, the outer wall of the ejection rod is provided with a first thread, the inside of the rotating cylinder is provided with a second thread, and the first thread is screw-connected with the second thread.

[0009] Preferably, the inside of the knife cylinder is provided with a limiting slot, and the limiting slot is slidably connected with a limiting plate.

[0010] Preferably, the inside of the knife cylinder is provided with a blocking ring, the blocking ring is located below the limiting slot, and the ejection rod is inserted into the inside of the blocking ring.

[0011] Preferably, the one end of the knife cylinder is provided with a bearing, the inner ring of the bearing is welded with the knife cylinder, and the outer ring of the bearing is welded with the rotating cylinder.

[0012] Preferably, one side of the ejection rod is provided with a buckling block, one side of the buckling block is provided with a buckling slot.

[0013] Preferably, the ejection assembly further includes a buckling hole provided on one side of the blade body, and the blade body is buckled with the buckling block on one side of the ejection rod through the buckling hole.

[0014] Preferably, the outside of the rotating cylinder is provided with a rubber sleeve.

[0015] Preferably, one side of the ejection rod is provided with a scale.

[0016] In the above technical solution, the minimally invasive surgical knife provided by the utility model has the following advantages: (1) by setting the protection assembly and the ejection assembly, the knife cylinder is first placed into the inside of the wound hole during minimally invasive operation, and then the ejection assembly is ejected through the inside of the protection assembly when the driving assembly is driven, which can effectively prevent the blade body from damaging the tissue when passing through the skin and organs to reach the tumor site, and the alcohol cotton can repeatedly disinfect the ejection assembly while repeatedly ejecting the ejection assembly, so that the ejection assembly is wiped by the alcohol cotton every time the knife is taken out; (2) the blade slot of the ejection assembly can well reduce the drawbacks in the prior art, such as the sharp surface first cutting the tumor surface when taking out the surgical knife and cutting the spherical tumor, which reduces the blood overflow and makes the blood accumulate in the operation site, and the operator is not convenient to operate the knife. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the technical solution of the embodiments of the present application or the prior art clearer, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0018] Fig. 1 A cross-sectional structure schematic view is provided for the embodiment of the minimally invasive surgical knife of the present application.

[0019] Fig. 2 A front view structure schematic view is provided for the embodiment of the minimally invasive surgical knife of the present application.

[0020] Fig. 3 A knife body schematic view is provided for the embodiment of the minimally invasive surgical knife of the present application.

[0021] Explanation of reference signs:

[0022] 1 knife barrel, 2 scale, 3 first thread, 4 second thread, 5 knife body, 6 protective sleeve, 7 buckling hole, 8 buckling block, 9 limiting plate, 10 ejection rod, 11 limiting groove, 12 rubber sleeve, 13 blocking ring, 14 buckling groove, 15 blade groove, 16 sponge, 17 alcohol cotton, 18 bearing, 19 rotating barrel. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be further described in detail below with reference to the drawings.

[0024] As shown in Figs. 1-3 The embodiment of the present application provides a minimally invasive surgical knife, one end of a knife barrel 1 is movably connected with a driving assembly, an inside thread of the driving assembly is connected with an ejection assembly, and the one end of the knife barrel 1 is also provided with a protection assembly. The driving assembly is started to rotate at one end of the knife barrel 1, and the ejection assembly is driven to penetrate the inside of the protection assembly and is ejected; the protection assembly comprises a protective sleeve 6, and the inside of the protective sleeve 6 is provided with a sponge 16 and alcohol cotton 17; the ejection assembly comprises a knife body 5, and the knife body 5 has a blade groove 15; the end face of the knife body 5 is arc-shaped;

[0025] Specifically in this embodiment, the inside of the cutter barrel 1 is movably connected with a driving assembly, one end of the driving assembly is provided with an ejection assembly, the ejection assembly is buckled with the driving assembly, one end of the cutter barrel 1 is also provided with a protection assembly, the protection assembly is a hemispherical protective sleeve 6, the hemispherical arrangement can prevent the instrument body from scratching the tissue during the minimally invasive process, the inside of the protective sleeve 6 is respectively provided with a sponge 16 and alcohol cotton 17, one end of the protective sleeve 6 is provided with an ejection hole 20, the sponge 16 is located on one side of the ejection hole 20, the protective sleeve 6 is threadedly connected with the cutter barrel 1, and the protective sleeve can be disassembled and replaced after the operation is completed; the sponge 16 can well absorb the blood adhered to the ejection assembly during the cutting of the tissue by the ejection assembly, and the ejection assembly can be repeatedly disinfected by the alcohol cotton when the ejection assembly reciprocates, so that the ejection assembly is always wiped by the alcohol cotton every time the knife is taken out, the driving assembly reciprocates in the inside of the cutter barrel 1, drives the ejection assembly to reciprocate through the inside of the protection assembly, and the ejection assembly reciprocates with the sponge 16 and the alcohol cotton 17, is repeatedly wiped, absorbs the blood on the surface of the ejection assembly, and disinfects the ejection assembly; the ejection assembly and the driving assembly are buckled, so that the cutter body can be replaced after use, so that the next patient needing operation can be operated.

[0026] The ejection assembly comprises a cutter body 5, the cutter body 5 has a blade groove 15, and the end face of the cutter body 5 is arc-shaped; the design of the blade groove can well reduce the taking of a surgical knife in the prior art, and the arc-shaped end face can prevent the sharp surface from first contacting the tumor surface when the knife is taken down, so that the blood is prevented from overflowing and accumulating in the operation site, and the operator is not convenient to take down the knife; the blade groove has a sharpening effect.

[0027] The sponge 16 can well absorb the blood adhered to the ejection assembly during the cutting of the tissue by the ejection assembly, and the ejection assembly can be repeatedly disinfected by the alcohol cotton when the ejection assembly reciprocates, so that the ejection assembly is always wiped by the alcohol cotton every time the knife is taken out, the driving assembly reciprocates in the inside of the cutter barrel 1, drives the ejection assembly to reciprocate through the inside of the protection assembly, and the ejection assembly reciprocates with the sponge 16 and the alcohol cotton 17, is repeatedly wiped, absorbs the blood on the surface of the ejection assembly, and disinfects the ejection assembly.

[0028] In still another embodiment provided by the application, the driving assembly comprises a rotating barrel 19, the rotating barrel 19 is rotatably connected with the cutter barrel 1, the inside of the rotating barrel 19 is threadedly connected with an ejection rod 10, the outer wall of the ejection rod 10 is provided with a first thread 3, the inside of the rotating barrel 19 is provided with a second thread 4, and the first thread 3 is screwed with the second thread 4.

[0029] In still another embodiment provided by the application, the inside of the cutter barrel 1 is provided with a limiting slot 11, the inside of the limiting slot 11 is slidably connected with a limiting plate 9, and the top of the limiting plate 9 is fixed with the universal rod 3. The cutter barrel 1 is cylindrical, the limiting plate 9 is a round plate, and can be slidably connected with the inside of the limiting slot 11. The ejector rod is pushed to move downwards, and the ejector rod drives the limiting plate 9 to move downwards with the stroke of the limiting slot 11 as a fulcrum.

[0030] In still another embodiment provided by the application, the inside of the cutter barrel 1 is provided with a blocking ring 13, the blocking ring 13 is located below the limiting slot 11, the ejector rod 10 is inserted into the inside of the blocking ring 13, the ejector rod is pushed to move downwards, and the ejector rod drives the limiting plate 9 to move downwards with the stroke of the limiting slot 11 as a fulcrum. In the moving process, the ejector rod 10 is inserted into the inside of the blocking ring 13 and moves downwards with the blocking ring as a sliding surface. At this time, the limiting plate 9 moves downwards in the inside of the limiting slot 11, drives the rotating barrel 19 to rotate, drives the ejector rod 10 to move downwards, and drives the ejecting assembly to penetrate into the inside of the protection assembly and is ejected from the ejecting hole.

[0031] In still another embodiment provided by the application, the ejector rod 10 is inserted into the inside of the blocking ring 13 and moves downwards with the blocking ring as a sliding surface. At this time, the limiting plate 9 moves downwards in the inside of the limiting slot 11. At this time, the limiting plate drives the ejector rod 10 to move, and the ejector rod 10 drives the cutter body 5 to move. In the moving process, the cutter body 5 is in contact with the surface of the sponge 16 and the alcohol cotton 17. The sponge 16 can well absorb the blood adhered to the ejecting assembly in the process of cutting off the tissue by the ejecting assembly. At the same time, the alcohol cotton can repeatedly disinfect the ejecting assembly when the ejecting assembly reciprocates, so that the ejecting assembly is wiped by the alcohol cotton every time the cutter is taken out.

[0032] In still another embodiment provided by the application, one side of the ejector rod 10 is provided with a buckling block 8, one side of the buckling block 8 is provided with a buckling slot 14, the ejecting assembly further comprises a buckling hole 7 arranged on one side of the cutter body 5, and the cutter body 5 is buckled with the buckling block 8 on one side of the ejector rod 10 through the buckling hole 7. In use, first, the driving assembly is driven to eject the ejector rod 10, then the buckling hole 7 of the cutter body 5 is aligned with the buckling block 8 and buckled, the cutter body 5 is pulled to one side, the one side of the cutter body 5 is located in the inside of the buckling slot 14, and the cutter body 5 can be taken down in the direction of operation in use, so as to operate the cutter for the next patient. After buckling, the protection assembly is rotated to be fixed with the cutter barrel 1.

[0033] In still another embodiment provided by the application, the outside of the rotating barrel 19 is provided with a rubber sleeve 12. The rubber sleeve can well increase the contact area when the finger is pressed, has the effect of preventing slipping, can well reduce the pressure of the force receiving part of the finger, and can facilitate long-time operation of the user.

[0034] In still another embodiment of the present application, the ejector rod 10 is provided with a scale 2 on one side, and the scale can be used to measure the diameter of the tumor during the collection process, so as to select the best position of the knife.

[0035] Embodiment 1

[0036] A minimally invasive surgical knife, the inside of the knife barrel 1 is movably connected with a driving assembly, one end of the driving assembly is provided with an ejecting assembly, the ejecting assembly is buckled with the driving assembly, one end of the knife barrel 1 is also provided with a protection assembly, the protection assembly is a hemispherical protective sleeve 6, the hemispherical arrangement can prevent the instrument body from scratching the tissue during the minimally invasive process, the inside of the protective sleeve 6 is respectively provided with a sponge 16 and an alcohol cotton 17, one end of the protective sleeve 6 is provided with an ejecting hole 20, the sponge 16 is located on one side of the ejecting hole 20, the protective sleeve 6 is threadedly connected with the knife barrel 1, and the protective sleeve can be disassembled and replaced after the operation is completed. The arrangement of the sponge 16 can well absorb the blood adhered to the ejecting assembly during the cutting of the tissue by the ejecting assembly, and at the same time, when the ejecting assembly reciprocates, the alcohol cotton can repeatedly disinfect the ejecting assembly, so that the ejecting assembly is wiped by the alcohol cotton every time the knife is taken out. The driving assembly reciprocates in the inside of the knife barrel 1, drives the ejecting assembly to reciprocate through the inside of the protection assembly, and the ejecting assembly reciprocates with the sponge 16 and the alcohol cotton 17, repeatedly wipes the surface of the ejecting assembly, absorbs the blood on the surface of the ejecting assembly, and disinfects the ejecting assembly. The buckling mode of the ejecting assembly and the driving assembly can replace the knife body after use, so as to perform surgery on the next patient who needs surgery.

[0037] Embodiment 2

[0038] The embodiment is further limited based on the embodiment 1, the driving assembly includes a rotating cylinder 19, the rotating cylinder 19 is rotatably connected with the cutter cylinder 1, the inside of the rotating cylinder 19 is threadedly connected with the ejection rod 10, the outer wall of the ejection rod 10 is provided with the first thread 3, the inside of the rotating cylinder 19 is provided with the second thread 4, the first thread 3 is screwed with the second thread 4, the inside of the cutter cylinder 1 is provided with the limiting groove 11, the inside of the limiting groove 11 is slidably connected with the limiting plate 9, the top of the limiting plate 9 is fixed with the universal rod 3. The cutter cylinder 1 is cylindrical, the limiting plate 9 is a round plate, and can be slidably connected in the inside of the limiting groove 11, the ejection rod is pushed to move downwards, the ejection rod drives the limiting plate 9 to move downwards with the stroke of the limiting groove 11 as the fulcrum, the inside of the cutter cylinder 1 is provided with the blocking ring 13, the blocking ring 13 is below the limiting groove 11, the ejection rod 10 is inserted in the inside of the blocking ring 13, the ejection rod is pushed to move downwards, the ejection rod drives the limiting plate 9 to move downwards with the stroke of the limiting groove 11 as the fulcrum, in the moving process, the ejection rod 10 is inserted in the inside of the blocking ring 13 and moves downwards with the blocking ring as the sliding surface, at this time, the limiting plate 9 moves downwards in the inside of the limiting groove 11, the driving rotating cylinder 19 is rotated to drive the ejection rod 10 to move downwards, the ejection rod 10 drives the ejection assembly to penetrate the inside of the protection assembly, and the ejection assembly is ejected from the ejection hole, the ejection rod 10 is inserted in the inside of the blocking ring 13 and moves downwards with the blocking ring as the sliding surface, at this time, the limiting plate 9 moves downwards in the inside of the limiting groove 11, at this time, the limiting plate drives the ejection rod 10 to move, the ejection rod 10 drives the cutter body 5 to move, in the moving process, the cutter body 5 contacts the surface of the sponge 16 and the alcohol cotton 17, the sponge 16 is arranged to absorb the blood adhered to the ejection assembly in the process of cutting the tissue by the ejection assembly, at the same time, when the ejection assembly reciprocates, the alcohol cotton can repeatedly disinfect the ejection assembly, so that the ejection assembly is wiped by the alcohol cotton every time the cutter is used, one side of the ejection rod 10 is provided with the buckling block 8, one side of the buckling block 8 is provided with the buckling groove 14, the ejection assembly further includes the buckling hole 7 arranged on one side of the cutter body 5, the cutter body 5 is buckled with the buckling block 8 on one side of the ejection rod 10 through the buckling hole 7, in use, first, the driving assembly is driven, the ejection rod 10 is ejected by the driving assembly, then the buckling hole 7 of the cutter body 5 is aligned with the buckling block 8 and buckled, one side of the cutter body 5 is located in the inside of the buckling groove 14 by pulling the cutter body 5 to one side, in use, the cutter body 5 can be taken down by the directional operation, so as to operate the cutter for the next patient, after the buckling is completed, the protection assembly is rotated to fix the protection assembly with the cutter cylinder 1, the outside of the rotating cylinder 19 is provided with the rubber sleeve 12. The rubber sleeve can increase the contact area when the finger is pressed to achieve the effect of anti-skid, can well reduce the pressure of the force receiving part of the finger, can facilitate the long-time operation of the user, one side of the ejection rod 10 is provided with the scale 2, the scale can measure the diameter length of the tumor in the process of collection, so as to select the best cutting position.

[0039] The foregoing merely illustrates some exemplary embodiments of the application, and it will be appreciated that those skilled in the art will be able to devise various modifications without departing from the spirit and scope of the application. The appended drawings and description are illustrative only, and are not intended to be limiting.

Claims

1. A minimally invasive surgical scalpel, characterized in that, One end of the blade cylinder (1) is movably connected to a drive assembly, and the drive assembly is internally threaded to an ejector assembly. One end of the blade cylinder (1) is also provided with a protective assembly. When the drive assembly is activated, it rotates at one end of the blade cylinder (1), causing the ejector assembly to pass through the interior of the protective assembly and eject. The ejector assembly includes a blade body (5), which has a cutting groove (15). The end face of the blade body (5) is arc-shaped. The drive assembly includes a rotating cylinder (19), which is rotatably connected to the blade cylinder (1). The rotating cylinder (19) is internally threaded to an ejector rod (10), which has a first thread (3) on its outer wall and a second thread (4) inside the rotating cylinder (19). The first thread (3) and the second thread (4) are screwed together. The protective assembly includes a protective sleeve (6), which has a sponge (16) and an alcohol swab (17) inside.

2. The minimally invasive surgical scalpel according to claim 1, characterized in that, The inside of the cutter barrel (1) is provided with a limiting groove (11), and a limiting plate (9) is slidably connected inside the limiting groove (11).

3. The minimally invasive surgical scalpel according to claim 2, characterized in that, The cutter barrel (1) is provided with a blocking ring (13) inside. The blocking ring (13) is located below the limiting groove (11), and the ejector rod (10) is inserted into the inside of the blocking ring (13).

4. A minimally invasive surgical scalpel according to claim 3, characterized in that, A bearing (18) is provided at one end of the cutter barrel (1). The inner ring of the bearing (18) is welded to the cutter barrel (1), and the outer ring of the bearing (18) is welded to the rotating cylinder (19).

5. A minimally invasive surgical scalpel according to claim 4, characterized in that, A fastening block (8) is provided on one side of the ejector rod (10), and a fastening groove (14) is provided on one side of the fastening block (8).

6. A minimally invasive surgical scalpel according to claim 5, characterized in that, The ejection assembly also includes a fastening hole (7) provided on one side of the blade body (5), and the blade body (5) is fastened to the fastening block (8) on one side of the ejection rod (10) through the fastening hole (7).

7. A minimally invasive surgical scalpel according to claim 6, characterized in that, The rotating cylinder (19) is provided with a rubber sleeve (12).

8. A minimally invasive surgical scalpel according to claim 8, characterized in that, A scale (2) is provided on one side of the ejector rod (10).

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