Adjustable cold knife for cervical conization

Abstract

The utility model provides an adjustable cold knife for cervical conization, which belongs to the field of medical instruments and comprises a handle, an adjusting component for adjusting the depth of the knife is slidably mounted in the handle, and an excision component for cervical conization is hinged to the top of the adjusting component. When the control sliding block is pushed slightly, the cutter bar can stably slide along the limiting groove and extend out of the handle, the limiting groove provides stable guidance for sliding of the control sliding block, it is ensured that the control sliding block always keeps linear movement, and then the cutter bar moves accurately without errors; therefore, it is guaranteed that the cutting depth is accurate, the whole operation process is simple, convenient and rapid, the adjusting precision is extremely high, and adjustment can be conducted according to different operation requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical appliances, and particularly relates to an adjustable cold knife for cervical conization. BACKGROUND

[0002] Cervical lesions are common gynecological diseases, which are generally diagnosed by cervical tissue. For patients who have fertility requirements or want to keep the uterus, cold knife conization is often chosen, and the tissue cut by conization is sent for pathological examination. Through the implementation of cold knife conization, diagnosis can be made, and some patients can also be given the opportunity to keep the uterus.

[0003] After searching, the prior art discloses a "cervical conization knife" including a handle and a detachable blade. The front end of the handle is raised at an angle with the longitudinal axis of the handle holding end. According to the angle between the longitudinal axis of the handle front end and the longitudinal axis of the handle holding end, the surgical knife is divided into three models A, B and C, which are 27°, 31° and 37°, respectively. The transverse section of the blade body is arc-shaped, the arc length is 1 / 8 of the circumference of the cervix, i.e. 1 cm, the two sides of the blade are blade surfaces 3, the front end of the blade surface 3 converges, the blade tip 4 is arc-shaped triangular, the rear end 5 of the blade is a parallel blunt surface, and the longitudinal axis of the blade has a scale 6. The utility model can be applied to gynecological cervical cold knife conization, compared with the traditional cold knife, it is convenient for operation, can remove the cone, reduces the cervical injury, and maximizes the retention of cervical morphology and function, but still has the following defects:

[0004] (1) The length of the blade cannot be flexibly adjusted according to the specific needs of different operations, which limits its applicability and operational convenience in diversified operation scenarios to some extent.

[0005] (2) The blade angle cannot be adjusted, which makes it difficult for doctors to achieve the best operating posture and cutting effect during the operation, increasing the difficulty and risk of the operation, and possibly leading to a series of adverse consequences such as prolonged operation time and increased patient trauma.

[0006] Therefore, an adjustable cold knife for cervical conization is proposed. UTILITY MODEL CONTENTS

[0007] The utility model aims at the problem that the length of the blade cannot be flexibly adjusted according to the specific needs of different operations, which limits its applicability and operational convenience in diversified operation scenarios to some extent, and provides an adjustable cold knife for cervical conization to solve the problem raised in the background technology.

[0008] In order to achieve the above utility model purpose, the utility model provides the following technical scheme:

[0009] The utility model discloses a adjustable cold knife for cervical conization, including handle, the inside sliding installation of handle is used for adjusting the depth of cutter's adjusting assembly, the top hinged of adjusting assembly is used for the resection assembly of cervical conization,

[0010] The adjusting assembly includes a limiting slot formed in the top of the handle, a control slider is slidingly installed in the limiting slot, the bottom of the control slider is fixedly connected with a cutter bar, the cutter bar is located in the limiting slot and the other end of the cutter bar extends to the outside of the handle, a sawtooth hole is formed in the cutter bar, and a limiting hole is formed in the handle.

[0011] As a preferred technical scheme of the utility model, the resection assembly includes a groove formed in one side of the cutter bar, a cutting bit is hinged in the groove, a positioning pin is arranged through the cutting bit and the cutter bar, the cutting bit and the cutter bar are fixedly screwed through the matching threads of the positioning pin, and a first scale is arranged on the cutting bit.

[0012] As a preferred technical scheme of the utility model, a second scale is arranged on the outside of the handle, and the second scale corresponds to the moving position of the cutter bar.

[0013] As a preferred technical scheme of the utility model, a hinge is fixedly connected to one side of the control slider, and the other end of the hinge is clamped in the limiting hole of the handle.

[0014] As a preferred technical scheme of the utility model, the control slider and the cutter bar are fixedly connected through bolts, and anti-skid grooves are arranged on the control slider and are evenly distributed in three groups.

[0015] As a preferred technical scheme of the utility model, the hinge is fixedly connected between one end and the control slider through a bolt, and the hinge is located on the inner side of the sawtooth hole.

[0016] As a preferred technical scheme of the utility model, a medical silica gel sleeve is fixedly connected to the handle, and the medical silica gel sleeve is symmetrically arranged in two groups, and anti-skid lines are arranged on the medical silica gel sleeve.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. When the cutting depth needs to be adjusted, the control slider is pushed gently, the cutter bar smoothly slides along the limiting slot and extends to the outside of the handle, the limiting slot provides stable guidance for the sliding of the control slider, ensures that the control slider always moves in a straight line, and then makes the movement of the cutter bar accurate and accurate, when the cutter bar extends to the appropriate length for operation, it can be firmly fixed in the limiting hole to avoid movement, so as to ensure that the cutting depth is accurate and accurate, the whole operation process is simple and fast, the adjusting precision is extremely high, and the adjustment can be made according to different operation requirements.

[0019] 2. In the process of cervical conization, the doctor can flexibly adjust the angle of the cutting knife head by rotating the cutting knife head around the positioning pin according to the specific needs of the operation, and after the adjustment is completed, the positioning pin is tightened, and the cutting knife head and the knife rod are tightened and fixed through the matching threads, so that the doctor can adjust and disassemble at any time during the operation according to the actual situation, the first scale can provide accurate cutting depth reference for the doctor, which helps the doctor to operate more accurately, thereby improving the success rate and safety of the operation and reducing the risk of complications that may be caused by inaccurate cutting depth. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic view of the adjustable cold knife for cervical conization is provided for the utility model.

[0021] Figure 2 A three-dimensional structural schematic view of the adjustable cold knife for cervical conization is provided for the utility model.

[0022] Figure 3 A three-dimensional structural schematic view of the adjustable cold knife for cervical conization is provided for the utility model.

[0023] Figure 4 A three-dimensional structural schematic view of the adjustable cold knife for cervical conization is provided for the utility model.

[0024] Figure 5 A three-dimensional structural schematic view of the adjustable cold knife for cervical conization is provided for the utility model.

[0025] Indicated in the figure: 1, handle; 2, adjustment assembly; 201, limiting groove; 202, control sliding block; 203, knife rod; 204, sawtooth hole; 205, limiting hole; 2051, second scale; 2052, hinge; 2053, anti-skid groove; 3, resection assembly; 301, groove; 302, cutting knife head; 303, positioning pin; 304, first scale; 4, medical silica gel sleeve; 5, anti-skid pattern. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0027] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely to indicate some embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] It should be noted that the embodiments and features and technical solutions in the embodiments of the present application can be combined with each other without conflict.

[0029] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] As shown in Figures 1-4 The present embodiment proposes an adjustable cold knife for cervical conization, which comprises a handle 1, an adjusting assembly 2 for adjusting the depth of the knife is slidably installed inside the handle 1, and a resection assembly 3 for cervical conization is hinged to the top of the adjusting assembly 2.

[0031] The adjusting assembly 2 comprises a limiting groove 201 opened at the top of the handle 1, a control slider 202 is slidably installed in the limiting groove 201, a knife rod 203 is fixedly connected to the bottom of the control slider 202, the knife rod 203 is located in the limiting groove 201 and the other end of the knife rod 203 extends outside the handle 1, a sawtooth hole 204 is opened on the knife rod 203, and a limiting hole 205 is opened on the handle 1. When it is necessary to adjust the cutting depth, the control slider 202 is only needed to be gently pushed, and the knife rod 203 will smoothly slide along the limiting groove 201 and extend outside the handle 1, the limiting groove 201 provides stable guidance for the sliding of the control slider 202, ensures that the control slider 202 always keeps linear movement, and then makes the movement of the knife rod 203 accurate and correct, when the knife rod 203 extends to the appropriate length for operation, it can be firmly fixed in the limiting hole 205 to avoid movement, so as to ensure that the cutting depth is accurate and correct, the whole operation process is simple and fast, the adjusting precision is extremely high, and the adjusting can be made according to different operation requirements.

[0032] As shown in Figures 1-3 and Figure 5As shown, the resection assembly 3 includes a groove 301 opened on one side of the knife bar 203, a cutting knife head 302 is hinged in the groove 301, a positioning pin 303 is arranged through the cutting knife head 302 and the knife bar 203, the cutting knife head 302 and the knife bar 203 are fixed by screwing through the matching threads of the positioning pin 303, and a first scale 304 is arranged on the cutting knife head 302. During the cervical conization, the doctor can flexibly adjust the angle of the cutting knife head 302 by rotating the cutting knife head 302 around the positioning pin 303 according to the specific needs of the operation, and after the adjustment is completed, the positioning pin 303 is tightened, and the cutting knife head 302 and the knife bar 203 are fixed by screwing through the matching threads. In order to adjust and disassemble at any time during the operation according to the actual situation, the first scale 304 can provide accurate cutting depth reference for the doctor, which helps the doctor to operate more accurately, thereby improving the success rate and safety of the operation and reducing the risk of complications that may be caused by inaccurate cutting depth.

[0033] As shown in Figures 1-4 The handle 1 is externally provided with a second scale 2051, which corresponds to the moving position of the knife bar 203. When the knife bar 203 moves, the doctor can intuitively grasp the moving distance of the knife bar 203 by observing the corresponding position of the knife bar 203 on the second scale 2051. The second scale 2051 provides an intuitive and convenient method for the doctor to determine the cutting depth without the need for additional measuring tools, thereby improving the operation efficiency and helping to ensure the consistency and accuracy of the cutting depth.

[0034] As shown in Figures 1-5 The other end of the hinge 2052 is clamped in the limiting hole 205 on the handle 1. When the knife bar 203 moves to the appropriate position, the hinge 2052 is clamped into the limiting hole 205, and the clamping action of the hinge 2052 is used to limit the movement of the control slider 202, thereby fixing the position of the knife bar 203 and preventing the knife bar 203 from moving due to external force during cutting.

[0035] As shown in Figures 3-5 The control slider 202 and the knife bar 203 are fixedly connected through bolts, and the control slider 202 is provided with three groups of anti-skid grooves 2053 which are evenly distributed. The anti-skid grooves 2053 increase the friction between the doctor's fingers and the control slider 202, so that when the doctor pushes the control slider 202, the force can be applied more stably, and the movement of the knife bar 203 is more accurate, reducing the operation errors caused by finger slipping.

[0036] As shown in Figures 3-5As shown, one end of the hinge 2052 is fixed between the control slider 202 and the inner side of the sawtooth hole 204 by bolts. When the cutter bar 203 moves, the hinge 2052 does not affect the movement and fixation of the cutter bar 203, and fully utilizes the space to improve the compactness of the whole device.

[0037] As shown in Figure 1 , Figure 2 and Figure 4 , the handle 1 is fixedly connected with two groups of medical silica gel sleeves 4 symmetrically arranged, and the medical silica gel sleeves 4 are provided with anti-skid lines 5. The medical silica gel sleeves 4 provide a comfortable holding surface for the doctor to hold the handle 1, and the anti-skid lines 5 increase the friction between the fingers and the silica gel sleeve, preventing the handle 1 from slipping off during the operation process, and ensuring the smooth progress of the operation.

[0038] Specifically, the adjustable cold knife for cervical conization is used as follows: only need to gently push the control slider 202, the cutter bar 203 will smoothly slide along the limiting groove 201 and extend outside the handle 1, the limiting groove 201 provides stable guidance for the sliding of the control slider 202, ensures that the control slider 202 always maintains linear movement, and then makes the movement of the cutter bar 203 accurate and accurate. When the cutter bar 203 extends to the appropriate length for operation, the hinge 2052 is clamped into the limiting hole 205 after the cutter bar 203 moves to the appropriate position, the movement of the control slider 202 is limited by the clamping action of the hinge 2052, thereby fixing the position of the cutter bar 203, preventing the cutter bar 203 from moving due to external force during cutting, and the doctor can intuitively master the distance of the cutter bar 203 by observing the corresponding position of the cutter bar 203 on the second scale 2051. The second scale 2051 provides a direct and convenient method for the doctor to determine the cutting depth without the aid of additional measuring tools, thereby improving the efficiency of the operation and helping to ensure the consistency and accuracy of the cutting depth. When performing cervical conization, the doctor can adjust the angle of the cutting knife head 302 by rotating it around the positioning pin 303 according to the specific needs of the operation, tighten the positioning pin 303 after adjustment is completed, and tighten and fix the cutting knife head 302 and the cutter bar 203 through matching threads, so that the doctor can adjust and disassemble at any time during the operation according to the actual situation. The first scale 304 can provide accurate cutting depth reference for the doctor, which helps the doctor to operate more accurately, thereby improving the success rate and safety of the operation and reducing the risk of complications that may be caused by inaccurate cutting depth.

[0039] All the technical features in the embodiment can be freely combined according to actual needs.

[0040] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An adjustable cold knife for conization of the cervix comprising a handle (1), characterized in that, The inside of the handle (1) is slidably installed with an adjusting assembly (2) for adjusting the depth of the cutter, and the top of the adjusting assembly (2) is hingedly connected with a resection assembly (3) for cervical conization; The adjusting assembly (2) comprises a limiting groove (201) opened at the top of the handle (1), a control slider (202) slidably installed in the limiting groove (201), a cutter bar (203) fixedly connected to the bottom of the control slider (202), the cutter bar (203) located in the limiting groove (201) and the other end of the cutter bar (203) extending out of the handle (1), a sawtooth hole (204) opened in the cutter bar (203), and a limiting hole (205) opened in the handle (1).

2. The adjustable cold knife for LEEP according to claim 1, wherein, The resection assembly (3) comprises a groove (301) opened in one side of the cutter bar (203), a cutting bit (302) hingedly connected in the groove (301), a positioning pin (303) penetratingly arranged between the cutting bit (302) and the cutter bar (203), and a first scale (304) arranged on the cutting bit (302).

3. The adjustable cold knife for LEEP according to claim 1, wherein, A second scale (2051) is arranged outside the handle (1) and corresponds to the moving position of the cutter bar (203).

4. The adjustable cold knife for LEEP according to claim 1, wherein, One side of the control slider (202) is fixedly connected with a hinge (2052), and the other end of the hinge (2052) is clamped in the limiting hole (205) on the handle (1).

5. The adjustable cold knife for LEEP according to claim 1, wherein, The control slider (202) and the cutter bar (203) are fixedly connected through bolts, the control slider (202) is provided with anti-skid grooves (2053), and the anti-skid grooves (2053) are evenly distributed in three groups.

6. The adjustable cold knife for LEEP according to claim 4, wherein, One end of the hinge (2052) and the control slider (202) are fixedly connected through bolts, and the hinge (2052) is located inside the sawtooth hole (204).

7. The adjustable cold knife for LEEP according to claim 1, wherein, The handle (1) is fixedly connected with medical silica gel sleeves (4), and the medical silica gel sleeves (4) are symmetrically arranged in two groups, and the medical silica gel sleeves (4) are provided with anti-skid lines (5).

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