Disposable surgical knife with protective cover structure

Abstract

The utility model relates to the technical field of surgical knives, and discloses a disposable surgical knife with a protective cover structure, which comprises a knife handle, the top of the knife handle is equidistantly provided with a plurality of first square grooves, the outer wall of the knife handle is provided with a sheath, the sheath is slidably connected with the knife handle, the top of the sheath is provided with a second square groove, and the second square groove is provided with a protective cover. A second spring is fixedly connected to the outer wall of the second square groove, a square hole is formed in the front side of the top of the scabbard, square blocks are fixedly connected to the left side and the right side of the top wall of the scabbard at equal intervals, a cylinder is fixedly connected to the middle of each square block, a clamping plate is rotatably connected to the outer wall of each cylinder, and a quick release mechanism is fixedly connected to the front side of the knife handle. According to the knife, the front end of the clamping plate can be separated from the first square grooves in the knife handle by pressing the clamping plate, the knife sheath is pushed, the multiple first square grooves are formed in the knife handle, the clamping plate can be clamped, adjustment of the knife sheath is completed, and the knife can be taken back into the protective shell subsequently, so that scratching is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to surgical knives technical field especially a disposable surgical knife with protective cover structure. BACKGROUND

[0002] Disposable surgical knives are common medical instruments in modern surgery, and the knives have various shapes and specifications to adapt to different surgical requirements. Common shapes include lancet shape, round knife shape and curved knife shape. The blade edge of the lancet shape is long and arc-shaped, which is suitable for fine cutting operation.

[0003] Disposable surgical knives do not need complex cleaning, disinfection and maintenance process. During the surgical preparation stage, medical staff can directly take out and use them from the package, which saves time for medical staff and gains valuable treatment time for doctors and patients.

[0004] Most of the existing disposable surgical knives are traditional surgical knives without any safety protection device. During surgery and transmission, they are easily exposed to cuts and infections of blood-borne pathogens, which threatens the health of medical staff, cleaning staff and other workers. SUMMARY

[0005] To make up for the above shortcomings, the utility model provides a disposable surgical knife with protective cover structure, aiming at improving the problem of surgical knives without any safety protection device in the prior art.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a disposable surgical knife with protective cover structure, comprising a handle, a plurality of square grooves one are equally arranged on the top of the handle, a scabbard is arranged on the outer wall of the handle, the scabbard is slidingly connected with the handle, a square groove two is arranged on the top of the scabbard, a spring two is fixedly connected to the outer wall of the square groove two, a square hole is arranged on the top front side of the scabbard, square blocks are fixedly connected to the left and right sides of the top wall of the scabbard, a cylinder is fixedly connected to the middle of the square block, a clamping plate is rotatably connected to the outer wall of the cylinder, a quick release mechanism is fixedly connected to the front side of the handle, and the quick release mechanism is used for quickly replacing the blade.

[0007] Further description of the above technical scheme:

[0008] The quick release mechanism comprises a long block, the long block is fixedly connected to the outer wall right end of the handle, a spring one is fixedly connected to the outer wall front side of the long block, a clamping sleeve is fixedly connected to the front end of the spring one, a fixed shell is fixedly connected to the outer wall front end of the handle, the fixed shell is slidingly connected with the clamping sleeve, a hole is arranged on the bottom wall of the clamping sleeve, a rubber ball is installed on the inner wall of the hole, a blade edge is installed on the inner wall of the clamping sleeve, and a clamping groove is arranged on the bottom wall of the blade edge.

[0009] As a further description of the above technical solutions:

[0010] The end of the tool shank is fixedly connected with a circular block, and a groove is formed in the top end of the circular block.

[0011] As a further description of the above technical solutions:

[0012] The outer wall of the circular block is provided with an antiskid pad, and the antiskid pad is clamped with the circular block.

[0013] As a further description of the above technical solutions:

[0014] The end of the circular block is fixedly connected with a circular ring, and the outer wall of the circular ring is fixedly connected with a rubber sleeve.

[0015] As a further description of the above technical solutions:

[0016] The outer wall of the circular block is provided with a limiting block, and the limiting block is clamped with the circular block.

[0017] As a further description of the above technical solutions:

[0018] The outer wall of the sheath is fixedly connected with a square piece in the middle, and the outer wall of the square piece is fixedly connected with a reflecting block.

[0019] As a further description of the above technical solutions:

[0020] The outer wall of the sheath is fixedly connected with a fixed plate, and the top wall of the fixed plate is fixedly connected with a buffer pad.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、 the utility model discloses a sheath is connected with the tool shank, and the tool shank is connected with the fixed plate, and the fixed plate is connected with the buffer pad, and the buffer pad can be used to the protection of the sheath, and the sheath can be protected from being damaged.

[0023] 2、 the utility model discloses that the lower part of the blade is provided with a clamping groove, and the clamping groove can be clamped with a ball, and the ball can be removed from the clamping groove by moving the clamping sleeve downward, so that the blade can be pulled out, thereby realizing the quick replacement of the blade. DRAWINGS

[0024] Figure 1 A three-dimensional view of a disposable surgical knife with a protective cover structure is provided.

[0025] Figure 2A partial structure split drawing of the disposable surgical knife with the protective cover structure is provided in the utility model;

[0026] Figure 3 An explosion view of the partial structure of the disposable surgical knife with the protective cover structure is provided in the utility model;

[0027] Figure 4 A split drawing of the quick release mechanism of the disposable surgical knife with the protective cover structure is provided in the utility model;

[0028] Figure 5 An explosion view of the quick release mechanism of the disposable surgical knife with the protective cover structure is provided in the utility model.

[0029] Legend:

[0030] 1, knife handle; 2, quick release mechanism; 201, long block; 202, spring one; 203, hole; 204, clamping sleeve; 205, marble; 206, clamping groove; 207, cutting edge; 208, fixed shell; 3, square groove one; 4, sheath; 5, square groove two; 6, square hole; 7, spring two; 8, square block; 9, cylinder; 10, clamping plate; 11, fixed plate; 12, buffer pad; 13, limiting block; 14, non-slip pad; 15, round block; 16, round ring; 17, rubber sleeve; 18, square piece; 19, recess; 20, reflective block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Reference Figure 1 , Figure 2 and Figure 3The utility model provides an embodiment: a disposable surgical knife with protective cover structure, including knife handle 1, the top of knife handle 1 is equal interval and is equipped with a plurality of square grooves no. 3, the outer wall of knife handle 1 is provided with scabbard 4, scabbard 4 and knife handle 1 sliding connection, knife handle 1 is positioned to scabbard 4, the top of scabbard 4 is equipped with square groove no. 2 5, the outer wall of square groove no. 2 5 is fixedly connected with spring no. 2 7, square groove no. 2 5 can fix spring no. 2 7, the top front side of scabbard 4 is equipped with square hole 6, the top wall left and right sides of scabbard 4 are all equal interval and are fixedly connected with square block 8, the middle part of square block 8 is fixedly connected with cylinder 9, the outer wall of cylinder 9 is rotatably connected with clamping plate 10, clamping plate 10 can realize rotating effect on cylinder 9, the front side of knife handle 1 is fixedly connected with quick release mechanism 2, and quick release mechanism 2 is used for quickly replacing blade, and the end of knife handle 1 is fixedly connected with round block 15, and the top of round block 15 is equipped with recess 19, and recess 19 can provide certain comfort for medical staff, and the outer wall of round block 15 is provided with antiskid pad 14, and antiskid pad 14 is engaged with round block 15;

[0033] Specifically, the disposable surgical knife with protective cover structure is used, first, the user can press clamping plate 10, at this time, clamping plate 10 will produce corresponding displacement, and the front end will accurately separate from square groove no. 3 in knife handle 1, after completing this step, the user can push scabbard 4, and the knife body in scabbard 4 will gradually expose, and this process needs the user to move scabbard 4 to the appropriate position according to the actual operation requirement, when scabbard 4 reaches the expected position, the user can release the pressed clamping plate 10, at this time, the other end of clamping plate 10 will be under the elastic action of spring, and clamping plate 10 is downwardly engaged, a plurality of square grooves no. 3 are formed in the inside of knife handle 1, and the design purpose of these square grooves no. 3 is to accurately engage with clamping plate 10, when clamping plate 10 is downwardly engaged, it can be smoothly engaged with the corresponding square groove no. 3, so as to realize the fixation and adjustment of the position of scabbard 4, such design not only facilitates the use of the knife during the operation, but also after the subsequent operation is completed or during the intermittent stage of the operation, the user can push scabbard 4 back to make the knife body return to the protective shell, this returning operation can effectively avoid the exposure of the knife body in the non-use state, thereby greatly reducing the risk of scratching caused by accidental exposure of the knife body, and providing strong guarantee for the safety of the operation, the recess 19 of round block 15 can provide certain comfort for medical staff, and the antiskid pad 14 on the outer wall of round block 15 can enhance the friction to prevent falling.

[0034] Refer to Figure 1 、 Figure 4 and Figure 5The quick release mechanism 2 comprises a long block 201 fixedly connected to the right end of the outer wall of the handle 1, a spring 202 fixedly connected to the front side of the outer wall of the long block 201, a sleeve 204 fixedly connected to the front end of the spring 202, the sleeve 204 fixing the spring 202, a fixed shell 208 fixedly connected to the front end of the outer wall of the handle 1, the fixed shell 208 being in sliding connection with the sleeve 204, a hole 203 being formed in the bottom wall of the sleeve 204, a ball 205 being mounted on the inner wall of the hole 203, the hole 203 clamping the ball 205, a blade 207 being mounted on the inner wall of the sleeve 204, a clamping groove 206 being formed in the bottom wall of the blade 207, the clamping groove 206 being capable of clamping the ball 205, a circular ring 16 being fixedly connected to the end of a circular block 15, a rubber sleeve 17 being fixedly connected to the outer wall of the circular ring 16, a limiting block 13 being arranged on the outer wall of the circular block 15, the limiting block 13 clamping the sheath 4, and the limiting block 13 limiting the sheath 4.

[0035] Specifically, the quick release mechanism 2 is further arranged at the front end of the surgical knife, the fixed shell 208 is fixedly arranged at the front side of the handle 1, and provides a reliable support and mounting position for other components of the quick release mechanism 2, the hole 203 is formed in the bottom wall of the fixed shell 208, the ball 205 is arranged in the hole 203, the clamping groove 206 is specially formed below the blade 207, the size and shape of the clamping groove 206 are matched with the ball 205, the sleeve 204 below the ball 205 is moved backward, the constraint on the ball 205 is gradually reduced during the movement of the sleeve 204 backward, the ball 205 is naturally moved downward due to the effect of the gravity, and thus is separated from the clamping groove 206 in the blade 207, the blade 207 is in a movable state after the ball 205 is separated from the clamping groove 206, and thus can be easily pulled out, the quick replacement of the blade can be realized through the series of operation steps designed in a careful manner, the circular ring 16 is arranged at the front end of the circular block 15, and the circular ring 16 can provide a hanging function for the surgical knife, and the limiting block 13 is arranged above the circular block 15, and thus can effectively prevent the sheath 4 from being separated.

[0036] Referring to Figure 1 The outer wall of the sheath 4 is fixedly connected with the square piece 18, the outer wall of the square piece 18 is fixedly connected with the reflecting block 20, the reflecting block 20 can play a certain warning role and prevent personnel from being accidentally collided, the outer wall of the sheath 4 is fixedly connected with the fixed plate 11, and the top wall of the fixed plate 11 is fixedly connected with the buffer pad 12.

[0037] Specifically, the middle part of the outer wall of the sheath 4 is fixedly connected with the square plate 18 by a firm connecting mode, the square plate 18 serves as a bearing part, and the outer wall of the square plate 18 is fixedly connected with the reflecting block 20, in the bright and complex light environment of the operating room, the reflecting block 20 can efficiently reflect the light irradiated to the surface of the reflecting block 20, thereby forming a bright reflecting effect, and the outer wall of the sheath 4 is further provided with the fixed plate 11, which is closely connected with the outer wall of the sheath 4 and is stable and reliable, and the buffer pad 12 is further fixedly connected to the top wall of the fixed plate 11, thereby reducing the impact force that the sheath 4 and the internal cutter can be subjected to.

[0038] Working principle: when the disposable surgical cutter with the protection cover structure is used, the front end of the clamping plate 10 can be separated from the square groove 3 in the handle 1 by pressing the clamping plate 10, the cutter body in the sheath 4 can be exposed by pushing the sheath 4, the clamping plate 10 can be released by moving the sheath 4 to a suitable position, at this time, the other end of the clamping plate 10 is clamped downward under the action of the spring, and a plurality of square grooves 3 are arranged in the interior of the handle 1 and can be clamped, thereby completing the adjustment of the sheath 4, and the cutter can be subsequently collected in the protection shell, thereby avoiding scratching;

[0039] And a quick release mechanism 2 is also arranged at the front end of the surgical cutter, the fixed shell 208 is arranged at the front side of the handle 1, the hole 203 is arranged in the bottom wall of the fixed shell 208, the elastic ball 205 is arranged in the interior of the hole 203, the clamping groove 206 is arranged below the cutter blade 207 and can be clamped with the elastic ball 205, in order to disassemble the cutter blade, first, the clamping sleeve 204 below the elastic ball 205 is moved backward, at this time, the elastic ball 205 is separated from the clamping groove 206 in the cutter blade 207 due to the action of the gravity, and at this time, the cutter blade 207 can be pulled out, thereby realizing the quick replacement of the cutter blade.

[0040] Finally, it should be noted that the above description is only preferred embodiments of the utility model and is not used to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A disposable surgical knife with a protective cover structure, comprising a handle (1), characterized in that: The top of the knife handle (1) is equidistantly provided with a plurality of square grooves (3), the outer wall of the knife handle (1) is provided with a scabbard (4), the scabbard (4) is in sliding connection with the knife handle (1), the top of the scabbard (4) is provided with a square groove (5), the outer wall of the square groove (5) is fixedly connected with a spring (7), the top of the scabbard (4) is provided with a square hole (6), the top wall of the scabbard (4) is fixedly connected with a square block (8) on the left and right sides, the middle of the square block (8) is fixedly connected with a cylinder (9), the outer wall of the cylinder (9) is rotatably connected with a clamping plate (10), the front side of the knife handle (1) is fixedly connected with a quick release mechanism (2), and the quick release mechanism (2) is used for quickly replacing the blade.

2. The disposable scalpel with a protective cover structure according to claim 1, characterized in that: The quick release mechanism (2) comprises a long block (201), the long block (201) is fixedly connected to the outer wall right end of the knife handle (1), the outer wall front side of the long block (201) is fixedly connected with a spring (202), the front end of the spring (202) is fixedly connected with a clamping sleeve (204), the outer wall front end of the knife handle (1) is fixedly connected with a fixed shell (208), the fixed shell (208) is in sliding connection with the clamping sleeve (204), the bottom wall of the clamping sleeve (204) is provided with a hole (203), the inner wall of the hole (203) is provided with a spring ball (205), the inner wall of the clamping sleeve (204) is provided with a blade edge (207), and the bottom wall of the blade edge (207) is provided with a clamping groove (206).

3. The disposable scalpel with a protective cover structure according to claim 1, characterized in that: The end of the knife handle (1) is fixedly connected with a circular block (15), and the top end of the circular block (15) is provided with a groove (19).

4. The disposable scalpel with a protective cover structure according to claim 3, characterized in that: The outer wall of the circular block (15) is provided with an anti-skid pad (14), and the anti-skid pad (14) is clamped with the circular block (15).

5. The disposable scalpel with a protective cover structure according to claim 3, characterized in that: The end of the circular block (15) is fixedly connected with a circular ring (16), and the outer wall of the circular ring (16) is fixedly connected with a rubber sleeve (17).

6. The disposable scalpel with a protective cover structure according to claim 3, characterized in that: The outer wall of the circular block (15) is provided with a limiting block (13), and the limiting block (13) is clamped with the circular block (15).

7. The disposable scalpel with a protective cover structure according to claim 1, characterized in that: The outer wall of the scabbard (4) is fixedly connected with a square piece (18), and the outer wall of the square piece (18) is fixedly connected with a reflective block (20).

8. The disposable scalpel with a protective cover structure according to claim 1, characterized in that: The outer wall of the scabbard (4) is fixedly connected with a fixed plate (11), and the top wall of the fixed plate (11) is fixedly connected with a buffer pad (12).

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