Medical stitch removing scissors for department of pediatrics

By designing pediatric stitching scissors and using a design that combines the cutting head and the cutting groove, the secondary injury risk of traditional stitching scissors to patients is solved, and the efficiency and safety of stitching are improved through a small flashlight and a rotatable magnifying glass.

CN120093368AInactive Publication Date: 2025-06-06CHILDRENS HOSPITAL OF FUDAN UNIV
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Patent Information

Application Number
CN202510510153.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-06-06
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The front end of the traditional stitch removal scissors is too sharp, which can easily cause secondary damage to the patient, and there is a risk of accidental injury during the stitch removal process, especially in childhood patients. As the sutures are refined, the difficulty of removing the stitch increases, which can easily cause eye fatigue among medical staff.

Method used

A pediatric stitch removal scissor was designed, which adopts a design that combines the knife head and the cutting groove. The transmission frame drives the blade frame to rotate, so that the knife head and the cutting groove blade cooperate with each other to cut the suture, and there is no other blade at the front of the blade, reducing the risk of accidental injury. At the same time, it is equipped with a small flashlight and a rotatable magnifying glass to provide clear lighting and enlarge the field of view, and improve the efficiency of stitch removal.

Benefits of technology

By designing a safe blade structure, the risk of secondary injury to patients is reduced and the safety of stitch removal is improved. At the same time, the use of clear lighting and magnifying glasses improves the operation efficiency of medical staff and reduces the risk of eye fatigue and accidental injury.

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Abstract

The invention discloses a pair of pediatric medical stitch removing scissors, and belongs to the technical field of medical scissors, the pediatric medical stitch removing scissors comprise a first scissor body and a second scissor body, the first scissor body and the second scissor body are hinged through a mounting shaft, one end of the first scissor body is integrally provided with a first scissor body front end, and the other end of the first scissor body is provided with a second scissor body front end; a second cutter body front end is integrally formed at one end of the second cutter body, and a cavity is formed in the horizontal leftward side of the first cutter body front end to form a hollow interlayer; a first rotating shaft is fixedly connected into the front end of the first cutter body, and the first rotating shaft is sleeved with a transmission frame. According to the invention, the tool bit and the cutting groove which are matched with each other as well as the transmission frame are matched with each other, so that the tool bit moves towards the blade direction of the cutting groove at the front end of the second tool body and is matched with each other to cut off a suture, and the front end of the first tool body and the front end of the cavity are not provided with other blades except the cutting groove and the tool bit, so that secondary injury is not caused even if a child accidentally touches the tool bit; and the safety is high.
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Description

Technical Field

[0001] The invention belongs to the technical field of medical scissors, and in particular relates to a pair of pediatric medical suture-removing scissors. Background Art

[0002] Suture-removing scissors are a commonly used medical device in surgical operations, and they are a type of surgical scissors. Suture-removing scissors are mainly used to cut off excess threads and thread ends during surgical suture removal and suturing; traditional suture-removing scissors have the following defects: the head of surgical scissors is generally round shield-shaped, and the tip of the blade is too wide. When removing the suture, the suture needs to be pulled out 2-3mm before it can be cut, which increases the pain of the patient; and the tip of the scissors and the inner side of the blade are very sharp, which can easily cause secondary injuries to the patient, especially children, who may be afraid of removing the sutures from the wound and be easily moved. Especially younger children may cry during the suture removal process, and the front end and blade of the suture-removing scissors may cause the risk of accidental injury to the patient; at the same time, as people's requirements for the beauty of wounds increase, the sutures are getting thinner and thinner, and the knots are getting smaller and smaller, making it more difficult to remove the sutures. Medical staff need to be very careful when removing the sutures, which can easily cause eye fatigue, especially for medical staff with poor eyesight, who may cause secondary injuries to children with the suture-removing scissors.

[0003] Although some existing suture removal scissors are convenient for cutting surgical sutures and solve the first technical problem, the front end of the scissors blades is too sharp, which can easily cause secondary injuries to patients and can easily cause puncture injuries to children if they accidentally touch them, so the safety is low. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the disadvantages of the above-mentioned prior art and provide a pediatric medical suture-removing scissors.

[0005] The technical solution adopted to solve the above technical problems is: a pediatric medical suture-removing scissors, comprising a first blade body and a second blade body, the first blade body and the second blade body are hinged by a mounting shaft, one end of the first blade body is integrally formed with a first blade body front end, and one end of the second blade body is integrally formed with a second blade body front end, and a cavity is opened on the horizontal left side of the first blade body front end to form a hollow interlayer; a first rotating shaft is fixedly connected inside the front end of the first blade body, a transmission frame is sleeved on the first rotating shaft, and the transmission frame is rotatably connected with the first rotating shaft, a first fixed protrusion is fixedly installed at one end of the first rotating shaft, and a second fixed protrusion is fixedly connected at one end of the first rotating shaft away from the first fixed protrusion, and a first return spring is fixedly connected to the inner wall of the front end of the first blade body; the other end of the transmission frame is transmission-connected to the first blade holder, and a blade head is provided on the side of one end of the first blade holder; a second blade holder is fixedly installed on the front end of the second blade body, and a cutting groove is opened at one end of the second blade holder away from the front end of the second blade body; a blade matching the first blade head is provided inside the cutting groove.

[0006] Furthermore, the cavity is rotatably connected to a first blade holder on a side away from the first blade body, the middle section of the first blade holder is rotatably connected to the front end of the first blade body via a second rotating shaft, one end of the first blade holder is fixedly connected to a cutter head, the first blade holder is fixedly connected to a second return spring on a side away from the cutter head, the other end of the second return spring is fixedly mounted to the front end of the first blade body, and the first blade holder is hinged to the front end of the first blade body.

[0007] Through the above technical solution, the mounting protrusion on the second blade body contacts the first fixed protrusion of the first blade body, and drives the transmission frame to rotate around the first rotating shaft. The transmission frame drives the first blade holder to rotate around the second rotating shaft, so that the blade head moves toward the cutting groove blade direction of the front end of the second blade body, and cooperates with each other to cut the suture.

[0008] Furthermore, a mounting protrusion is fixedly installed on one side of the second blade body, and the position of the mounting protrusion corresponds to the first fixed protrusion. A second blade holder is fixedly installed on the front end of the second blade body, and a cutting groove is provided at one end of the second blade holder away from the front end of the second blade body.

[0009] Furthermore, there is a blade inside the cutting groove, the blade cooperates with the cutter head, and the width of the cutting groove is 1-3 mm.

[0010] Through the above technical solution, there are no other blades outside the cutting groove and the blade head, so even if the child touches it accidentally, it will not cause secondary injury. In addition, the inner diameter of the cutting groove is small, and the fingers cannot be inserted into it, so it will not cause injury to the fingers.

[0011] Furthermore, a magnifying glass rotating seat is rotatably connected to the mounting shaft, and the magnifying glass rotating seat is fixedly connected to the magnifying glass. A small flashlight is detachably mounted on the front end of the second blade body, and the outer diameter of the connecting end of the flashlight is provided with a thread that cooperates with the threaded connection at the front end of the second blade body. A small LED flashlight is installed at the front end of the second blade body, and the flashlight is powered by a button battery.

[0012] Through the above technical solution, the clear lighting of the flashlight can allow medical staff to complete the suture removal operation more quickly, reduce the time of finding sutures and confirming the wound condition, and improve medical work efficiency. The rotatable magnifying glass can magnify local areas such as wounds and sutures, so that medical staff can more clearly see the adhesion of sutures to tissues, the material and state of sutures, the healing texture of wounds and other subtle details.

[0013] Furthermore, a plurality of slide grooves are evenly opened in the installation shaft, and a limiting block is slidably connected in the plurality of slide grooves. One end of the limiting block is arranged in an arc shape, and a third return spring is fixedly connected in the slide groove, and one end of the third return spring is fixedly connected to the limit block.

[0014] Through the above technical solution, one end of the limit block is set in an arc shape. When the magnifying glass rotating seat rotates, the limit block cooperates with the third return spring to slide in the slide groove. The setting of the limit block can limit the magnifying glass rotating seat, and the rotation angle of the magnifying glass can be fixed.

[0015] The beneficial effects of the present invention are as follows: (1) The present invention is designed to cooperate with the matching blade head, cutting groove, and transmission frame. When the scissors are not closed, the blade head is located in the cavity at the front end of the first blade body. When the scissors are closed, the mounting protrusion on the second blade body contacts the first fixed protrusion of the first blade body and drives the transmission frame to rotate around the first rotating shaft. The transmission frame drives the first blade frame to rotate around the second rotating shaft, so that the blade head moves toward the cutting groove blade at the front end of the second blade body. The blade head and the cutting groove blade cooperate with each other to cut the suture. The front end of the first blade body and the front end of the cavity have no other blades except the cutting groove and the blade head. Even if the child is (2) The present invention is designed with a small flashlight and a magnifying glass. The clear lighting allows medical staff to complete the suture removal operation more quickly, reduces the time of finding sutures and confirming the wound condition, and improves medical work efficiency. The rotatable magnifying glass can magnify local areas such as wounds and sutures, so that medical staff can more clearly see the adhesion of sutures to tissues, the healing texture of wounds and other subtle details, which helps to operate more delicately and avoid damage to surrounding normal tissues. At the same time, the setting of the limit block can limit the rotating seat of the magnifying glass, and the rotation angle of the magnifying glass can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a first-view stereoscopic structural diagram of the present invention;

[0017] Figure 2 It is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 The present invention Figure 2 A magnified view of the structure at A;

[0019] Figure 4 It is a second perspective three-dimensional structural diagram of the present invention;

[0020] Figure 5 It is a cross-sectional structural diagram of the installation shaft of the present invention.

[0021] Figure numerals: 1, first blade body; 10, blade head; 11, front end of first blade body; 12, cavity; 13, first rotating shaft; 14, transmission frame; 15, first return spring; 16, first fixed protrusion; 17, second fixed protrusion; 18, first blade holder; 180, second rotating shaft; 19, second return spring; 2, second blade body; 21, front end of second blade body; 22, second blade holder; 23, cutting groove; 24, mounting protrusion; 25, blade; 3, mounting shaft; 31, magnifying glass rotating seat; 32, small flashlight; 33, magnifying glass; 34, slide groove; 35, limit block; 36, third return spring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0023] like Figure 1-Figure 4 As shown, a pediatric medical suture-removing scissors of the present embodiment comprises a first blade body 1 and a second blade body 2, the first blade body 1 and the second blade body 2 are hingedly connected by a mounting shaft 3, one end of the first blade body 1 is integrally provided with a first blade body front end 11, and one end of the second blade body 2 is integrally provided with a second blade body front end 21, and a cavity 12 is opened on the horizontal left side of the first blade body front end 11 to form a hollow interlayer; a first rotating shaft 13 is fixedly connected inside the first blade body front end 11, a transmission frame 14 is sleeved on the first rotating shaft 13, and the transmission frame 14 is rotatably connected to the first rotating shaft 13, a first fixed protrusion 16 is fixedly installed at one end of the first rotating shaft 13, and a second fixed protrusion 17 is fixedly connected to the end of the first rotating shaft 13 away from the first fixed protrusion 16, and a first return spring 15 is fixedly connected to the side of the transmission frame 14 close to one end of the first fixed protrusion 16, and the first return spring 15 is fixedly connected to the inner wall of the first blade body front end 11.

[0024] like Figure 1-Figure 3As shown, the first blade holder 18 is rotatably connected to the side of the cavity 12 away from the first blade body 1, and the middle section of the first blade holder 18 is rotatably connected to the front end 11 of the first blade body through a second rotating shaft 180. The cutter head 10 is fixedly connected to one end of the first blade holder 18, and the side of the first blade holder 18 away from the cutter head 10 is fixedly connected to the second return spring 19, and the other end of the second return spring 19 is fixedly installed with the front end 11 of the first blade body, and the mounting protrusion 24 on the second blade body 2 contacts the first fixed protrusion 16 of the first blade body 1, and drives the transmission The movable frame 14 rotates around the first rotating shaft 13, and the transmission frame 14 drives the first blade holder 18 to rotate around the second rotating shaft 180, so that the cutter head 10 moves toward the cutting groove 23 of the front end 21 of the second blade body, and cooperates with each other to cut the suture; a mounting protrusion 24 is fixedly installed on one side of the second blade body 2, and the position of the mounting protrusion 24 corresponds to the first fixed protrusion 16. A second blade holder 22 is fixedly installed on the front end 21 of the second blade body, and a cutting groove 23 is opened at the end of the second blade holder 22 away from the front end 21 of the second blade body.

[0025] like Figure 1 As shown, there is a blade on the inner side of the cutting groove 23, and the width of the cutting groove 23 is 1-2 mm. There are no other blades outside the cutting groove 23 and the blade head 10. Even if the child touches it accidentally, it will not cause secondary injury. Moreover, the inner diameter of the cutting groove 23 is small, and the fingers cannot be inserted into it, so it will not cause injury to the fingers.

[0026] like Figure 1-Figure 5 As shown, a magnifying glass rotating seat 31 is rotatably connected to the mounting shaft 3, and the magnifying glass rotating seat 31 is fixedly connected to the magnifying glass 33. A small flashlight 32 is fixedly installed on the front end 21 of the second blade body. The clear lighting allows medical staff to complete the suture removal operation more quickly, reduce the time for finding sutures and confirming the wound condition, and improve the efficiency of medical work. The rotatable magnifying glass 33 can magnify local areas such as wounds and sutures, so that medical staff can more clearly see the adhesion of sutures to tissues, the material and state of sutures, the healing texture of wounds and other subtle details; A plurality of slide grooves 34 are evenly arranged in the mounting shaft 3, and a limiting block 35 is slidably connected in the plurality of slide grooves 34, one end of the limiting block 35 is arranged in an arc shape, a third return spring 36 is fixedly connected in the slide groove 34, one end of the third return spring 36 is fixedly connected to the limiting block 35, and one end of the limiting block 35 is arranged in an arc shape. When the magnifying glass rotating seat 31 rotates, the limiting block 35 cooperates with the third return spring 36 to slide in the slide groove 34, and the setting of the limiting block 35 can limit the magnifying glass rotating seat 31, and the rotation angle of the magnifying glass 33 can be fixed.

[0027] The working principle of this embodiment is as follows: the blade of the cutting groove 23 cooperates with the blade head 10 in the cavity 12 in the front end 11 of the first blade body 1. When the scissors are not closed, the blade head 10 is located in the cavity 12 in the front end 11 of the first blade body. When the scissors are closed, the mounting protrusion 24 on the second blade body 2 contacts the first fixed protrusion 16 of the first blade body 1, and drives the transmission frame 14 to rotate around the first rotating shaft 13. The rotation of the first rotating shaft 13 drives the first blade frame 18 to rotate, so that the blade head 10 moves toward the blade direction of the cutting groove 23 of the front end 21 of the second blade body, and cooperates with each other to cut the suture;

[0028] The front end 11 of the first blade body and the front end of the cavity 12 have no other blades except the cutting groove 23 and the blade head 10. Even if the child touches them by mistake, no secondary injury will be caused. A small flashlight 32 and a magnifying glass 33 are installed at the hinge of the first blade body 1 and the second blade body 2. The magnifying glass 33 can adjust the direction and aim at the suture removal part. The small flashlight 32 provides a light source to facilitate suture removal. The small flashlight 32 is a small LED flashlight powered by a button battery.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A pair of pediatric medical suture-removing scissors, comprising a first blade body (1) and a second blade body (2), wherein the first blade body (1) and the second blade body (2) are hingedly connected via a mounting shaft (3), one end of the first blade body (1) is integrally formed with a first blade body front end (11), and one end of the second blade body (2) is integrally formed with a second blade body front end (21), and a cavity (12) is provided on a horizontal left side of the first blade body front end (11) to form a hollow interlayer; A first rotating shaft (13) is fixedly connected inside the front end (11) of the first blade body, the first rotating shaft (13) and the mounting shaft (3) are integrally arranged, a transmission frame (14) is sleeved on the first rotating shaft (13), the transmission frame (14) and the first rotating shaft (13) are rotatably connected, a first fixed protrusion (16) is fixedly installed at one end of the first rotating shaft (13), a second fixed protrusion (17) is fixedly connected to the end of the first rotating shaft (13) away from the first fixed protrusion (16), and a second fixed protrusion (17) is fixedly connected to the end of the transmission frame (14) close to the first fixed protrusion (16). The transmission frame (14) is fixedly connected to a first return spring (15) on one side, and the first return spring (15) is fixedly connected to the inner wall of the front end (11) of the first blade body; the other end of the transmission frame (14) is transmission-connected to a first blade frame (18), and a blade head (10) is provided on one end side of the first blade frame (18); a second blade frame (22) is fixedly installed on the front end (21) of the second blade body, and a cutting groove (23) is provided at one end of the second blade frame (22) away from the front end (21) of the second blade body; and a blade (25) matching the first blade head (10) is provided inside the cutting groove (23).

2. The pediatric suture-removing scissors according to claim 1, characterized in that: The first blade holder (18) is rotatably connected to the side of the cavity (12) away from the first blade body (1); the middle section of the first blade holder (18) is rotatably connected to the front end (11) of the first blade body via a second rotating shaft (180); one end of the first blade holder (18) is fixedly connected to the blade head (10); the side of the first blade holder (18) away from the blade head (10) is fixedly connected to a second return spring (19); the other end of the second return spring (19) is fixedly mounted to the front end (11) of the first blade body.

3. The pediatric suture-removing scissors according to claim 2, characterized in that: A mounting protrusion (24) is fixedly mounted on one side of the second blade body (2), and the position of the mounting protrusion (24) corresponds to that of the first fixed protrusion (16).

4. The pediatric medical suture-removing scissors according to claim 3, characterized in that: A blade (25) is provided inside the cutting groove (23), and the blade (25) cooperates with the cutter head (10). The width of the cutting groove (23) is 1-3 mm.

5. The pediatric suture-removing scissors according to claim 1, characterized in that: A magnifying glass rotating seat (31) is rotatably connected to the installation shaft (3), the magnifying glass rotating seat (31) and the magnifying glass (33) are fixedly connected, and a small flashlight (32) is detachably mounted on the front end (21) of the second blade body.

6. The pediatric suture-removing scissors according to claim 5, characterized in that: A plurality of slide grooves (34) are evenly arranged in the installation shaft (3), a limiting block (35) is slidably connected in the plurality of slide grooves (34), one end of the limiting block (35) is arranged in an arc shape, a third return spring (36) is fixedly connected in the slide groove (34), and one end of the third return spring (36) is fixedly connected to the limiting block (35).