Medical drag hook

Abstract

The utility model discloses a medical draw hook, which belongs to the technical field of medical instruments and comprises a device main body, one end of the device main body is provided with a quick assembly, the other end of the quick assembly is connected with a connecting end, the side edge of the connecting end is connected with a draw hook piece, two ends of the device main body are provided with fixing assemblies, and the side edge of each fixing assembly is provided with a connecting rod. A fixing pin is arranged on the fixing seat, a connecting rod is arranged on the fixing seat, a magnetic movable rail is arranged on the side edge of the connecting rod, a distraction frame is connected to the side edge of the magnetic movable rail, and a medical rubber pad is arranged on the surface of the distraction frame. The fixing pin is clamped into the pin hole under the elastic action of the first reset spring, the connecting plate is fixed, rapid installation of the drag hook piece is achieved, time and labor are saved, the adjusting bolt is unscrewed, the angle between the rotating plate and the connecting plate is changed, a proper position is adjusted to stop, the adjusting bolt is screwed, the angle of the drag hook piece is changed, and use is convenient.

Description

Technical Field

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

[0002] The oral cavity is the starting part of the digestive tract. It is connected to the outside world through the fissure in the front and connected to the pharynx through the isthmus in the back. There are organs such as teeth and tongue in the oral cavity. The front wall of the oral cavity is the lip, the side wall is the cheek, the top is the palate, and the floor of the oral cavity is the mucosa and muscle structures. The oral cavity is divided into the oral vestibule in the anterior and lateral part and the proper oral cavity in the posterior and medial part by the upper and lower dental arches; when the upper and lower teeth are occluded, the oral vestibule and the proper oral cavity can communicate through the gap behind the third molar. In clinical practice, when the patient's teeth are tightly closed, an opener or intubation can be placed through this channel to inject drugs or nutrients, while preventing tongue bites.

[0003] Chinese patent application No. 202020130499.9 discloses a lingual retractor for oral and maxillofacial surgery, comprising a device body, a magnetic movable rail and a nesting ring, the top of the device body is fixedly connected with the magnetic movable rail, the surface of the magnetic movable rail is nested and connected with the nesting ring, the inner top of the nesting ring is fixedly connected with a magnet, the top of the nesting ring is fixedly connected with a connecting rod, the top of the connecting rod is fixedly connected with a second connecting rod, one side of the second connecting rod is fixedly connected with a second magnetic movable rail, and the surface of the second magnetic movable rail is movably connected with a support frame, the support frame avoids the phenomenon of patients closing their mouths when medical staff are performing surgery, thereby improving the practicality of the device body, the replaceable retractor mechanism improves the practicality of the device body and expands the scope of application of the device body, the medical rubber pad protects medical staff, and the finger ring groove improves the stability of the device body, which is suitable for the use of lingual retractors and has broad development prospects in the future.

[0004] The above-mentioned patent has the following problems when used: the hook part is difficult to fix, the installation is laborious, the angle of the hook part is difficult to adjust, which affects the use effect, and the position adjustment stability of the support frame is poor, which causes inconvenience in use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a medical retractor, which has the characteristics of convenient retractor fixing, portable angle adjustment and reliable position adjustment of the support frame.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a medical retractor, comprising a device body, a quick-release assembly is provided at one end of the device body, a connecting end is connected to the other end of the quick-release assembly, a retractor piece is connected to the side of the connecting end, fixing assemblies are provided at both ends of the device body, a connecting rod is provided on the side of the fixing assembly, a magnetic movable rail is provided on the side of the connecting rod, a support frame is connected to the side of the magnetic movable rail, a medical rubber pad is provided on the surface of the support frame, and fixing holes are provided on the upper and lower sides of the fixing assembly on the side of the device body.

[0007] Preferably, the quick-release assembly includes a fixed seat, a connecting plate, a rotating plate, a spring pin and a pin hole, wherein the side of the fixed seat is movably connected to the connecting plate, the side of the connecting plate is movably connected to the rotating plate, spring pins are arranged on both sides of the connecting plate, and pin holes are arranged on both sides of the fixed seat.

[0008] Preferably, the rotating plate and the connecting plate are connected via an adjusting bolt.

[0009] Preferably, the spring pin comprises a movable groove, a fixed pin and a return spring 1, wherein the movable groove is arranged on both sides of the connecting plate, a return spring 1 is arranged inside the movable groove, and the other end of the return spring 1 is connected to the fixed pin.

[0010] Preferably, the fixing assembly includes a movable seat, a limiting rod, two return springs and a pin rod, wherein limiting rods are arranged on both sides of the device body, a movable seat is arranged in the middle of the limiting rods, a mounting plate is arranged on the side of the movable seat away from the device body, pin rods are arranged on both sides of the mounting plate, and two return springs are embedded in the surface of the pin rod located between the movable seat and the mounting plate.

[0011] Preferably, the pin rod is always inserted into the fixing hole under the elastic force of the second reset spring, and the side of the movable seat is in close contact with the surface of the device body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a quick-install assembly. The fixing pin is pressed to compress the reset spring, and the fixing pin is retracted into the movable groove. The connecting plate is inserted into the fixing seat. The fixing pin is clamped into the pin hole under the elastic force of the reset spring. The connecting plate is fixed, and the quick installation of the hook piece is realized, which saves time and effort. The adjusting bolt is loosened to change the angle between the rotating plate and the connecting plate, and the appropriate position is adjusted to stop. The adjusting bolt is tightened to change the angle of the hook piece, which is convenient to use.

[0014] 2. The utility model is provided with a fixing assembly, the connecting rod is pulled outward to make the pin rod disengage from the fixing hole, the connecting rod is pushed to move on the limit rod, and it is adjusted to a suitable position to stop. The pin rod moves back under the elastic force of the second reset spring, and the pin rod is stuck in the fixing hole, so that rapid adjustment and fixation can be achieved and the stability of use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the quick-install assembly of the utility model;

[0017] Figure 3 This is a schematic diagram of the spring pin structure of the utility model;

[0018] Figure 4 For this utility model Figure 1 A magnified image of point A;

[0019] In the figure: 1. device body; 2. connecting rod; 3. magnetic movable rail; 4. support frame; 5. medical rubber pad; 6. hook piece; 7. connecting end; 8. quick-release assembly; 81. fixed seat; 82. connecting plate; 83. rotating plate; 84. adjusting bolt; 85. spring pin; 851. movable groove; 852. fixing pin; 853. reset spring 1; 86. pin hole; 9. fixing assembly; 91. movable seat; 92. limiting rod; 93. reset spring 2; 94. pin rod; 95. mounting plate; 10. fixing hole. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a medical retractor, comprising a device body 1, a quick-release assembly 8 is arranged at one end of the device body 1, the other end of the quick-release assembly 8 is connected to a connecting end 7, the side of the connecting end 7 is connected to a retractor 6, fixing assemblies 9 are arranged at both ends of the device body 1, a connecting rod 2 is arranged on the side of the fixing assembly 9, a magnetic movable rail 3 is arranged on the side of the connecting rod 2, a support frame 4 is connected to the side of the magnetic movable rail 3, a medical rubber pad 5 is arranged on the surface of the support frame 4, and fixing holes 10 are arranged on the upper and lower sides of the fixing assembly 9 on the side of the device body 1.

[0023] Specifically, the quick-release assembly 8 includes a fixed seat 81, a connecting plate 82, a rotating plate 83, a spring pin 85 and a pin hole 86, wherein the side of the fixed seat 81 is movably connected to the connecting plate 82, the side of the connecting plate 82 is movably connected to the rotating plate 83, spring pins 85 are arranged on both sides of the connecting plate 82, and pin holes 86 are arranged on both sides of the fixed seat 81.

[0024] By adopting the above technical solution, the connecting plate 82 is inserted into the fixing seat 81, the spring pin 85 is inserted into the pin hole 86, and the connecting plate 82 is fixed, thereby realizing the rapid installation of the hook member 6.

[0025] Specifically, the rotating plate 83 and the connecting plate 82 are connected via an adjusting bolt 84 .

[0026] By adopting the above technical solution, the adjusting bolt 84 is loosened to change the angle between the rotating plate 83 and the connecting plate 82 , and the adjusting bolt 84 is tightened to change the angle of the hook member 6 after adjusting to a suitable position and stopping.

[0027] Specifically, the spring pin 85 includes a movable groove 851, a fixed pin 852 and a return spring 853, wherein the movable groove 851 is provided on both sides of the connecting plate 82, the return spring 853 is provided inside the movable groove 851, and the other end of the return spring 853 is connected to the fixed pin 852.

[0028] By adopting the above technical solution, the fixing pin 852 is pressed to compress the return spring 853, the fixing pin 852 is retracted into the movable groove 851, the connecting plate 82 is inserted into the fixing seat 81, and the fixing pin 852 is inserted into the pin hole 86 under the elastic force of the return spring 853, the connecting plate 82 is fixed, and the quick installation of the hook member 6 is realized.

[0029] When the present embodiment is used, the fixing pin 852 is pressed to compress the return spring 853, the fixing pin 852 is received in the movable groove 851, the connecting plate 82 is inserted into the fixing seat 81, the fixing pin 852 is clamped into the pin hole 86 under the elastic force of the return spring 853, the connecting plate 82 is fixed, and the quick installation of the hook member 6 is realized, the adjusting bolt 84 is loosened to change the angle between the rotating plate 83 and the connecting plate 82, the appropriate position is adjusted to stop, the adjusting bolt 84 is tightened to change the angle of the hook member 6, and the position and angle of the opening frame 4 are adjusted so that the patient can bite the opening frame 4 to open his mouth, thereby avoiding the phenomenon that the patient closes his mouth when the medical staff is performing the operation;

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the fixing assembly 9 includes a movable seat 91, a limiting rod 92, a second return spring 93 and a pin rod 94, wherein the limiting rods 92 are arranged on both sides of the device body 1, the movable seat 91 is arranged in the middle of the limiting rod 92, a mounting plate 95 is arranged on the side of the movable seat 91 away from the device body 1, the pin rods 94 are arranged on both sides of the mounting plate 95, and the second return spring 93 is embedded in the surface of the pin rod 94 located between the movable seat 91 and the mounting plate 95.

[0032] By adopting the above technical solution, the connecting rod 2 is pulled outward to disengage the pin 94 from the fixing hole 10, and the connecting rod 2 is pushed to move on the limit rod 92, and is adjusted to stop at a suitable position. The pin 94 moves back under the elastic force of the reset spring 93, and the pin 94 is stuck in the fixing hole 10, thereby realizing quick adjustment and fixation.

[0033] Specifically, the pin rod 94 is always inserted into the fixing hole 10 under the elastic force of the second return spring 93 , and the side of the movable seat 91 is in close contact with the surface of the device body 1 .

[0034] By adopting the above technical solution, it is ensured that the pin rod 94 is moved back and clamped into the fixing hole 10 under the elastic force of the second return spring 93, so that rapid adjustment and fixation can be achieved to avoid falling off.

[0035] When this embodiment is in use, the connecting rod 2 is pulled outward to disengage the pin 94 from the fixing hole 10, and the connecting rod 2 is pushed to move on the limit rod 92, and is adjusted to stop at a suitable position. The pin 94 moves back under the elastic force of the reset spring 93, and the pin 94 is stuck in the fixing hole 10, so that rapid adjustment and fixation can be achieved, thereby improving the stability of use.

[0036] Working principle and use process of the utility model: When the utility model is used, the fixing pin 852 is pressed to compress the reset spring 853, the fixing pin 852 is retracted into the movable groove 851, the connecting plate 82 is inserted into the fixing seat 81, the fixing pin 852 is clamped into the pin hole 86 under the elastic force of the reset spring 853, the connecting plate 82 is fixed, and the quick installation of the hook member 6 is realized, the adjusting bolt 84 is loosened, the angle between the rotating plate 83 and the connecting plate 82 is changed, the appropriate position is adjusted to stop, and the adjusting bolt 84 is tightened. The angle of the hook member 6 is changed, the connecting rod 2 is pulled outward, the pin rod 94 is disengaged from the fixing hole 10, the connecting rod 2 is pushed to move on the limit rod 92, and it is adjusted to a suitable position to stop. The pin rod 94 moves back under the elastic force of the reset spring 93, and the pin rod 94 is stuck in the fixing hole 10, so that rapid adjustment and fixation can be achieved, so that the position of the opening frame 4 is changed, and the angle of the opening frame 4 is adjusted by the magnetic movable rail 3, so that the patient can bite the opening frame 4 to open his mouth, thereby avoiding the phenomenon of the patient closing his mouth when the medical staff is performing the operation.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A medical retractor, comprising a device body, characterized in that: A quick-release assembly is provided at one end of the device body, a connecting end is connected to the other end of the quick-release assembly, a hook is connected to the side of the connecting end, a fixing assembly is provided at both ends of the device body, a connecting rod is provided at the side of the fixing assembly, a magnetic movable rail is provided at the side of the connecting rod, a support frame is connected to the side of the magnetic movable rail, a medical rubber pad is provided on the surface of the support frame, and fixing holes are provided on the upper and lower sides of the fixing assembly on the side of the device body; The quick-install assembly comprises a fixed seat, a connecting plate, a rotating plate, a spring pin and a pin hole, wherein the side of the fixed seat is movably connected to the connecting plate, the side of the connecting plate is movably connected to the rotating plate, spring pins are arranged on both sides of the connecting plate, and pin holes are arranged on both sides of the fixed seat; The spring pin comprises a movable groove, a fixed pin and a return spring 1, wherein the movable groove is arranged on both sides of the connecting plate, a return spring 1 is arranged inside the movable groove, and the other end of the return spring 1 is connected to the fixed pin; The fixing assembly includes a movable seat, a limiting rod, two return springs and a pin rod, wherein the limiting rods are arranged on both sides of the device body, the movable seat is arranged in the middle of the limiting rods, a mounting plate is arranged on the side of the movable seat away from the device body, the pin rods are arranged on both sides of the mounting plate, and the return spring two is embedded in the surface of the pin rod between the movable seat and the mounting plate.

2. A medical retractor according to claim 1, characterized in that: The rotating plate and the connecting plate are connected via an adjusting bolt.

3. A medical retractor according to claim 1, characterized in that: The pin rod is always inserted into the fixing hole under the elastic force of the second reset spring, and the side edge of the movable seat is closely attached to the surface of the device body.

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