Endoscope retractor

Abstract

The utility model relates to the field of medical instruments, in particular to an endoscope drag hook which comprises an endoscope drag hook body and a bending head, the bending head is installed at the left end of the endoscope drag hook body, a connecting rotating shaft is installed at the connecting position of the bending head and the endoscope drag hook body, a connecting ring is installed on the surface of the bending head, and the connecting rotating shaft is connected with the connecting ring. A transmission steel wire is arranged in the connecting ring in a penetrating mode, one end of the transmission steel wire is connected with an adjusting sliding block, a limiting groove is formed in the connecting position of the adjusting sliding block and the endoscope drag hook body, a fixing piece is fixed to the position, close to the right side, of the upper portion of the endoscope drag hook body, and a threaded piston rod is installed in the endoscope drag hook body. The angle between the bending head and the endoscope drag hook body can be changed according to needs, and when a thyroid nodule does not need to be hooked, the bending head and the endoscope drag hook body can be kept to be of a linear structure, so that the bending head of a right-angle structure is prevented from scratching tissue in the body of a patient, and the possibility of trauma is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a laparoscopic retractor. Background Technique

[0002] During laparoscopic thyroid surgery, a laparoscopic retractor is generally used to grasp thyroid nodules, facilitating subsequent resection of thyroid nodules using scissors forceps.

[0003] In the prior art, in a laparoscopic surgical retractor with the publication number of CN207306689U, the utility model belongs to the field of medical instruments and relates to a laparoscopic surgical retractor, including a screw rod, a position adjustment nut, a sleeve, a fixing member, a pin shaft, and a fan-shaped retractor; a portal window is opened on the barrel wall at the bottom of the sleeve; the fan-shaped retractor is fixed to the bottom of the sleeve through the pin shaft; the top of the fan-shaped retractor is lower than the top of the portal window; the distance between the outermost sides of the fan-shaped retractor is less than the inner diameter of the sleeve; the screw rod extends into the sleeve from the top of the sleeve and is connected to the fan-shaped retractor at the bottom of the sleeve; the position adjustment nut is arranged on the screw rod and is placed outside the sleeve; the fixing member is sleeved on the outer wall of the sleeve and its position is adjustable.

[0004] Combined with the above application, the existing laparoscopic retractor has the following problems:

[0005] The existing laparoscopic thyroid retractor has a hook-shaped structure. During laparoscopic surgery, due to the small field of view and the sharpness of the hook, it may scratch other tissues in the body, causing secondary harm to the patient. For this reason, we propose a laparoscopic retractor. Content of the Utility Model

[0006] The purpose of the utility model is to provide a laparoscopic retractor to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A laparoscopic retractor includes a laparoscopic retractor main body and a bent head. A bent head is installed at the left end of the laparoscopic retractor main body. A connecting rotating shaft is installed at the connection between the bent head and the laparoscopic retractor main body. A connecting ring is installed on the surface of the bent head. A transmission steel wire passes through the inside of the connecting ring. One end of the transmission steel wire is connected to an adjusting slider. A limiting groove is opened at the connection between the adjusting slider and the laparoscopic retractor main body. A fixing member is fixed above the right side of the laparoscopic retractor main body. A threaded piston rod is installed inside the laparoscopic retractor main body. One end of the threaded piston rod is provided with a transmission rod. The other end of the threaded piston rod is provided with a connecting plate. A knob is installed at one end of the connecting plate. One end of the transmission rod is fixed with a connecting rod.

[0009] Preferably, a screw collar is sleeved on the right end surface of the threaded piston rod, and fixing brackets are fixed at both the front and rear ends of the screw collar.

[0010] Preferably, the screw collar is in threaded connection with the threaded piston rod, and the transmission rod realizes sliding movement in the endoscope retractor main body through the threaded piston rod.

[0011] Preferably, the outer diameter of the connecting ring is smaller than the inner diameter of the endoscope retractor main body, and the folding head is sleeved with the endoscope retractor main body.

[0012] Preferably, the fixing member is perpendicular to the endoscope retractor main body, and the top of the fixing member is of a spherical structure.

[0013] Preferably, the transmission rod and the folding head form a rotating structure through the connecting rotating shaft, the folding head is pin-connected with the connecting rotating shaft, the transmission steel wire is fixedly connected with the connecting ring, the transmission steel wires are evenly distributed at equal intervals along the outside of the folding head, and there are four groups of transmission steel wires.

[0014] Preferably, the adjusting slider slides on the endoscope retractor main body through the limiting groove, the adjusting slider is pin-connected with the transmission steel wire, and the transmission steel wire penetrates through the inside of the endoscope retractor main body.

[0015] Compared with the prior art, the present utility model provides an endoscope retractor, which has the following beneficial effects:

[0016] Through the provided connecting rotating shaft, the folding head can rotate on the endoscope retractor main body in the present utility model. One side of the folding head is connected with the endoscope retractor main body through the transmission steel wire. The angle of the folding head can be quickly adjusted through the adjusting slider installed at the end of the transmission steel wire. The angle between the folding head and the endoscope retractor main body can be changed according to needs. When it is not necessary to hook the thyroid nodule, the folding head and the endoscope retractor main body can be kept in a straight line structure, so as to avoid the right-angle folding head from scratching the tissues in the patient's body and reduce the possibility of trauma.

[0017] Through the provided threaded piston rod, the present utility model can slide in the endoscope retractor main body, so as to drive the connecting rod to perform telescopic movement inside the endoscope retractor main body through the transmission rod. When the folding head is not needed, the folding head can be retracted into the endoscope retractor main body, which is more convenient to use; through the provided four groups of transmission steel wires, the angle of the folding head can be adjusted from four directions, so as to realize the multi-angle adjustment function. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic diagram of the internal structure of the endoscope retractor main body of the present utility model.

[0020] In the figure: 1. Laparoscopic retractor body; 2. Bending head; 3. Fixing piece; 4. Screw ring; 5. Fixing bracket; 6. Connecting plate; 7. Knob; 8. Threaded piston rod; 9. Limiting groove; 10. Adjusting slider; 11. Connecting ring; 12. Connecting shaft; 13. Connecting rod; 14. Transmission rod; 15. Transmission wire. DETAILED DESCRIPTION

[0021] like Figure 1 - Figure 2 As shown, a laparoscope hook comprises: a laparoscope hook body 1, a bending head 2 is installed at the left end of the laparoscope hook body 1, and a connecting shaft 12 is installed at the connection between the bending head 2 and the laparoscope hook body 1; a connecting ring 11, which is installed on the surface of the bending head 2, and a transmission wire 15 is passed through the inside of the connecting ring 11, one end of the transmission wire 15 is connected to an adjusting slider 10, and a limiting groove 9 is provided at the connection between the adjusting slider 10 and the laparoscope hook body 1, and a connecting rod 13 is fixedly installed at one end of a transmission rod 14, and the transmission rod 14 forms a rotating structure with the bending head 2 through the connecting shaft 12, the bending head 2 is pin-connected with the connecting shaft 12, the transmission wire 15 is fixedly connected to the connecting ring 11, and the transmission wire 15 is evenly distributed along the outside of the bending head 2, and four groups of transmission wires 15 are provided.

[0022] In the utility model, by providing four groups of transmission wires 15, the angle of the bending head 2 can be adjusted from four directions, thereby realizing a multi-angle adjustment function.

[0023] like Figure 2 As shown, the adjusting slider 10 slides on the laparoscope hook body 1 through the limiting groove 9 , and the adjusting slider 10 is pin-connected with the transmission wire 15 , and the transmission wire 15 runs through the inside of the laparoscope hook body 1 .

[0024] In the utility model, the adjustment slider 10 installed at the end of the transmission wire 15 can quickly adjust the angle of the bending head 2, and the angle between the bending head 2 and the laparoscope retractor body 1 can be changed as needed. When there is no need to hook the thyroid nodule, the bending head 2 and the laparoscope retractor body 1 can be kept in a straight line structure, thereby avoiding the bending head 2 in a right-angle structure from scratching the patient's body tissue and reducing the possibility of trauma.

[0025] like Figure 1 As shown, the fixing member 3 is fixed on the upper right side of the laparoscope retractor body 1. The fixing member 3 and the laparoscope retractor body 1 are perpendicular to each other, and the top of the fixing member 3 is a spherical structure.

[0026] In the utility model, a fixing member 3 is installed on the laparoscope retractor body 1, so as to support the doctor's base of the thumb during the operation. The fixing member 3 is in an arc-shaped structure, which can better fit the hand.

[0027] As shown Figure 1 In the figure, a screw collar 4 is sleeved on the right end surface of the threaded piston rod 8. The screw collar 4 is sleeved outside the threaded piston rod 8, which can limit the threaded piston rod 8. Fixed brackets 5 are fixed at both the front and rear ends of the screw collar 4. The screw collar 4 is threadedly connected to the threaded piston rod 8. The transmission rod 14 slides through the threaded piston rod 8 inside the endoscope retractor main body 1. The threaded piston rod 8 is installed inside the endoscope retractor main body 1. One end of the threaded piston rod 8 is provided with a transmission rod 14, and the other end of the threaded piston rod 8 is provided with a connecting plate 6. One end of the connecting plate 6 is installed with a knob 7.

[0028] In the present utility model, the provided threaded piston rod 8 can slide inside the endoscope retractor main body 1, so as to pull the connecting rod 13 to perform telescopic movement inside the endoscope retractor main body 1 through the transmission rod 14. When the folding head 2 is not needed, the folding head 2 can be retracted into the endoscope retractor main body 1, making it more convenient to use.

[0029] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A laparoscope retractor, characterized in that: The invention comprises a laparoscope retractor body (1) and a bending head (2), wherein the left end of the laparoscope retractor body (1) is provided with the bending head (2), a connecting shaft (12) is provided at the connection between the bending head (2) and the laparoscope retractor body (1), a connecting ring (11) is provided on the surface of the bending head (2), a transmission steel wire (15) is passed through the interior of the connecting ring (11), one end of the transmission steel wire (15) is connected with an adjusting slider (10), and the adjusting slider (10) is connected to the laparoscope retractor body (1). A limiting groove (9) is provided at the connection of the main body (1); a fixing member (3) is fixed on the upper right side of the laparoscope retractor main body (1); a threaded piston rod (8) is installed inside the laparoscope retractor main body (1); a transmission rod (14) is provided at one end of the threaded piston rod (8); a connecting plate (6) is provided at the other end of the threaded piston rod (8); a knob (7) is installed at one end of the connecting plate (6); and a connecting rod (13) is fixed at one end of the transmission rod (14).

2. The laparoscope retractor according to claim 1, characterized in that: The right end surface of the threaded piston rod (8) is sleeved with a screw collar (4), and the front and rear ends of the screw collar (4) are both fixed with fixed brackets (5).

3. The laparoscope retractor according to claim 2, characterized in that: The screw ring (4) is threadedly connected to the threaded piston rod (8), and the transmission rod (14) is slidably moved in the laparoscope retractor body (1) via the threaded piston rod (8).

4. The laparoscope retractor according to claim 1, characterized in that: The outer diameter of the connecting ring (11) is smaller than the inner diameter of the laparoscope retractor body (1), and the bending head (2) is sleeved with the laparoscope retractor body (1).

5. The laparoscope retractor according to claim 1, characterized in that: The fixing piece (3) and the laparoscope retractor body (1) are perpendicular to each other, and the top of the fixing piece (3) is a spherical structure.

6. The laparoscope retractor according to claim 1, characterized in that: The transmission rod (14) forms a rotating structure with the bending head (2) through the connecting rotating shaft (12); the bending head (2) is pin-connected with the connecting rotating shaft (12); the transmission steel wire (15) is fixedly connected with the connecting ring (11); the transmission steel wire (15) is evenly distributed at equal distances along the outside of the bending head (2); and four groups of the transmission steel wire (15) are provided.

7. The laparoscope retractor according to claim 1, characterized in that: The adjusting slider (10) slides on the laparoscope hook body (1) through the limiting groove (9); the adjusting slider (10) is pin-connected with the transmission steel wire (15); and the transmission steel wire (15) runs through the interior of the laparoscope hook body (1).

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