Drag hook for transarmpit inflation-free endoscope thyroid surgery

Abstract

The utility model discloses a drag hook for transarmpit inflation-free endoscope thyroid surgery, and belongs to the field of medical instruments. Comprising a retractor body, a pull rod and a connecting seat, the retractor body comprises a telescopic mechanism, the side, away from the pull rod, of the telescopic mechanism is rotationally connected with a retractor, and the bottom of the telescopic mechanism is connected with a length-adjustable endoscope channel. The retractor is provided with the adjustable telescopic mechanism and can adapt to patients with different body types, the operation area is better exposed by adjusting the angle of the retractor, the view blind area is reduced, and the operation accuracy is improved. And meanwhile, the adjustable endoscope channel is integrated, so that the use of the endoscope cannot be influenced when the length of the retractor main body is adjusted, the interference between the endoscope and a surgical instrument is avoided, and the definition of the surgical field and the operation convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, especially to a retractor for axillary approach no inflation endoscope thyroid surgery. BACKGROUND

[0002] Thyroid surgery is one of the common ways to treat thyroid diseases. The traditional surgical method is usually direct operation through a neck incision. The neck incision surgery may leave obvious postoperative scars, and the axillary approach endoscopic surgery is preferred because it avoids neck scarring. The existing endoscopic surgery relies on inflation equipment to expand the surgical field, increasing the complexity and time of the surgery. However, the use of inflation equipment increases the complexity of the surgery and prolongs the surgery time. To solve these problems, no inflation endoscopic surgery has gradually become a trend. No inflation surgery is performed by properly pulling and exposing the surgical area. The existing retractor device cannot meet the needs of no inflation endoscopic surgery, the length and angle of the retractor cannot be adjusted due to different patient body types, the surgical field is not fully exposed, and other problems, which affect the surgical outcome and the convenience of operation.

[0003] The utility model patent with publication number CN215874751U discloses an adjustable retractor for axillary approach no inflation endoscope thyroid surgery, which includes a U-shaped plate with a hollow interior and an opening on one side. A rod body is rotatably installed in the opening of the U-shaped plate. A retractor located outside the U-shaped plate is installed on the rod body through a connecting plate. The length direction of the rod body is parallel to the thickness direction of the retractor. A driving element is installed on the U-shaped plate to drive the rotation of the rod body. However, the protection device has the following problems when in use: (1) the length of the retractor cannot be adjusted, which cannot meet the needs of patients with different body types; (2) no endoscope channel is provided, which makes it inconvenient to operate surgical instruments, resulting in unclear vision. SUMMARY

[0004] In view of the above problems, the utility model aims to provide a retractor for axillary approach no inflation endoscope thyroid surgery. The adjustable telescopic mechanism of the retractor can adapt to patients with different body types. By adjusting the angle of the retractor, the surgical area can be better exposed. At the same time, the adjustable endoscope channel is integrated to ensure that there is no interference between the endoscope and the surgical instruments.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A retractor for axillary approach no inflation endoscope thyroid surgery includes a retractor main body, a pull rod, and a connecting seat. The retractor main body includes a telescopic mechanism. A retractor is rotatably connected to one end of the telescopic mechanism away from the pull rod. The bottom of the telescopic mechanism is connected to an adjustable length endoscope channel.

[0007] Further, the telescopic mechanism comprises a sleeve rod and a telescopic rod sleeved in the sleeve rod, and the sleeve rod and the telescopic rod are limited by bolts.

[0008] Further, the telescopic rod is provided with a rotating shaft at one end away from the sleeve rod, and the hook is sleeved on the rotating shaft.

[0009] Further, the rotating shaft is provided with first engaging teeth on both sides, the telescopic rod is provided with L-shaped pull rods sliding on both sides, and the pull rods are provided with second engaging teeth matched with the first engaging teeth on one side close to the first engaging teeth.

[0010] Further, the laparoscope channel comprises a channel outlet, a telescopic connecting pipe and an adapter, the channel outlet and the adapter are fixedly connected to the bottom of the telescopic mechanism, and the two ends of the telescopic connecting pipe are connected with the corresponding channel outlet and adapter respectively.

[0011] The utility model discloses the beneficial effect is:

[0012] 1, the hook of the utility model is provided with adjustable telescopic mechanism can adapt to different body shape patient, through the angle of hook adjustment, better exposure operation area, reduce the visual field blind area, improve the precision of operation.

[0013] 2, the hook of the utility model can adjust the length of hook through the setting telescopic mechanism, so that it can be applicable to different body shape patient, and the flexibility is stronger, and is applicable to different operation scene.

[0014] 3, the laparoscope channel of adjustable length is arranged at the bottom of hook, can be adjusted synchronously with telescopic mechanism, so that the use of laparoscope will not be affected when adjusting the length of hook body, ensures that laparoscope always keeps in the best position, avoids the interference between laparoscope and surgical instrument, improves the accuracy and safety of operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of hook in the utility model.

[0016] Figure 2 It is the bottom structure schematic view of hook in the utility model.

[0017] Figure 3 It is the side surface structure schematic view of the draw hook in the utility model.

[0018] Figure 4 It is the partial enlarged view of A of the draw hook in the utility model.

[0019] Figure 5 It is the fixed schematic view of the draw bar and the pivot of the draw hook in the utility model.

[0020] Figure 6 It is the sectional view of the draw bar and the pivot of the draw hook in the utility model.

[0021] Figure 7 It is the structure schematic view of the draw hook main body of the draw hook in the utility model.

[0022] Among them: 1, draw hook main body;2, draw bar;3, connecting seat;4, cavity mirror channel;11, telescopic rod;12, sleeve rod;13, bolt;14, draw hook;31, connecting hole;41, channel outlet;42, telescopic connecting pipe;43, adapter;44, channel inlet;111, pivot;112, draw bar;113, first occlusion tooth;114, second occlusion tooth;1121, adapter rod;1122, telescopic connecting rod. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the technical scheme of the utility model, the technical scheme of the utility model is further described below in combination with the drawings and examples.

[0024] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "front end", "rear end", "inner side", "outer side" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "set", "mount", "connect", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be integrally connected;It can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Example one

[0027] Refer to the drawings Figures 1-7 The utility model provides an axillary non-inflatable cavity mirror thyroid surgery drag hook, including drag hook main part 1, pull rod 2 and connecting seat 3, the drag hook main part 1 includes telescopic mechanism, the telescopic mechanism is connected with the drag hook 14 at the end away from pull rod 2 rotationally, and the telescopic mechanism bottom is connected with the length adjustable cavity mirror channel 4.

[0028] Specifically, the length adjustment of the telescopic mechanism can change the length of the cavity mirror channel 4, realize flexible exposure of the operation area, avoid visual blind area, and improve the accuracy and operability of the operation. The combination of the cavity mirror channel 4 and the telescopic mechanism ensures the best visual field during operation, making the cooperation between surgical instruments and the endoscope more smooth.

[0029] The telescopic mechanism includes a sleeve rod 12 and a telescopic rod 11 sleeved in the sleeve rod 12, and the sleeve rod 12 and the telescopic rod 11 are limited by a bolt 13.

[0030] The telescopic mechanism can adjust the length according to the operation requirements through the structure of the sleeve rod 12 and the telescopic rod 11, and adapt to the requirements of different patient sizes and operation positions.

[0031] The telescopic rod 11 is rotatably provided with a rotating shaft 111 at the end away from the sleeve rod 12, and the drag hook 14 is sleeved on the rotating shaft 111.

[0032] The drag hook 14 is fixedly sleeved on the rotating shaft 111, so that the rotating shaft 111 rotates to change the angle of the drag hook 14, meeting the pulling requirements of different angles in operation.

[0033] The rotating shaft 111 is provided with first clamping teeth 113 on both sides, the telescopic rod 11 is provided with an L-shaped pull rod 112 on both sides, the pull rod 112 includes an adapter rod 1121 and a telescopic connecting rod 1122, and the pull rod 112 is provided with second clamping teeth 114 on the side close to the first clamping teeth 113.

[0034] The angle of the drag hook 14 can be changed with the assistance of other surgical instruments, the first clamping teeth 113 on the rotating shaft 111 and the second clamping teeth 114 are matched with each other, the angle of the drag hook 14 is limited by pulling the pull rod 112, the angle of the drag hook 14 is prevented from changing randomly during use, the accuracy of operation is ensured, and the damage to the surrounding tissues of the patient is reduced. The connecting seat 3 is provided with a connecting hole 31.

[0035] The length change of the telescopic mechanism drives the length change of the cavity mirror channel 4, so that the use of the endoscope is not affected when the length of the drag hook main body 1 is adjusted.

[0036] Embodiment two:

[0037] On the basis of embodiment one, embodiment two provides a specific structure of the endoscope channel 4, as shown in the accompanying Figures 2-3 As described above, the endoscope channel 4 includes a channel outlet 41, an adapter 43, a telescopic connecting tube 42, and a channel inlet 44; the channel outlet 41 and the adapter 43 are fixedly connected at the bottom of the telescopic mechanism, the telescopic connecting tube 42 is connected with the corresponding channel outlet 41 and adapter 43 respectively, and the channel inlet 44 is fixedly connected outside the pull rod 2.

[0038] The design of the endoscope channel 4 ensures that the endoscope can be smoothly inserted during the operation through the cooperation of the channel outlet 41, the adapter 43, and the telescopic connecting tube 42. The channel inlet 44 is fixed outside the pull rod 2, which ensures the stable insertion of the endoscope and does not affect the operation space of the surgical instruments, thereby improving the convenience of endoscope operation and the clarity of the surgical field. The telescopic connecting tube 42 is provided to ensure that the use of the endoscope is not affected when adjusting the length of the retractor main body 1.

[0039] Specific application cases:

[0040] In a thyroidectomy, a specific application method of the retractor for a non-inflatable endoscopic thyroid surgery through the axillary fossa according to the present application is as follows:

[0041] The retractor main body 1 is fixed to the surgical area through the connecting hole 31, the length and angle of the retractor 14 are adjusted according to the body type of the patient through the telescopic mechanism, the retractor main body 1 is fixed by rotating the screw 13 after being adjusted to the appropriate length and angle, and the two pull rods 112 are pulled to be fixed under the action of the first and second clamping teeth 113 and 114. This design can precisely pull the surrounding tissues, ensure the thyroid gland is fully exposed, and reduce the interference of other tissues. The endoscope is inserted through the endoscope channel 4, which has the function of synchronously adjusting the length with the telescopic mechanism, ensuring that the use of the endoscope is not affected when adjusting the length of the retractor main body 1, and maintaining a clear surgical field at all times. With the help of the endoscope, the operation is successfully completed, and then the retractor main body 1 is removed. This design not only makes the operation more flexible and reduces the interference between instruments, but also improves the accuracy and safety of the operation, which is helpful for the surgeon to successfully perform the operation in a non-inflatable environment.

[0042] The above shows and describes the basic principles, main features, and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A retractor for thyroid surgery through the axillary approach without inflatable cavity, comprising a retractor body (1), a pull rod (112) and a connecting seat (3), characterized in that: The draw hook body (1) comprises a telescopic mechanism, one end of the telescopic mechanism is rotatably connected with a draw hook (14) away from the pull rod (112), and the bottom of the telescopic mechanism is connected with a length-adjustable laparoscope channel (4).

2. The retractor according to claim 1, wherein: The telescopic mechanism comprises a sleeve rod (12) and a telescopic rod (11) sleeved in the sleeve rod (12), and the sleeve rod (12) and the telescopic rod (11) are limited by a bolt (13).

3. The axillary non-pneumatic cavity mirror thyroid surgery retractor according to claim 2, characterized in that: The telescopic rod (11) is rotatably provided with a rotating shaft (111) at one end away from the sleeve rod (12), and the draw hook (14) is sleeved on the rotating shaft (111).

4. The retractor according to claim 3, wherein: The rotating shaft (111) is provided with first clamping teeth (113) on both sides, the telescopic rod (11) is slidably provided with an L-shaped pull rod (112) on both sides, and the pull rod (112) is provided with second clamping teeth (114) matched with the first clamping teeth (113) on one side close to the first clamping teeth (113).

5. The transaxillary non-pneumatic cavity mirror thyroid surgery drag hook according to claim 1, characterized in that: The laparoscope channel (4) comprises a channel outlet (41), a telescopic connecting pipe (42) and an adapter (43); The channel outlet (41) and the adapter (43) are fixedly connected at the bottom of the telescopic mechanism, and the two ends of the telescopic connecting pipe (42) are connected with the corresponding channel outlet (41) and adapter (43) respectively.

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