Traction device

Abstract

The utility model relates to the technical field of medical instruments, in particular to a traction device. Comprising a base, a first fixing sleeve, a second fixing sleeve, a first electric telescopic rod, a second electric telescopic rod, a traction hanging piece and a rotating assembly, the rotating assembly comprises a mounting base, a worm, a worm gear, a rotating handle, an annular sliding rail and a movable ring, the annular sliding rail is fixedly connected with the base and located above the base, and the movable ring is fixedly connected with the first fixing sleeve; the worm gear is fixedly connected with the first fixing sleeve and arranged on the outer wall of the first fixing sleeve in a sleeving mode, the installation base is fixedly connected with the base and arranged on the outer wall of the base, the two ends of the worm are rotationally connected with the installation base, the worm is meshed with the worm gear, the rotating handle is connected with the worm, and the worm gear is fixedly connected with the rotating handle. Through the arrangement of the structure, the traction hanging piece can be controlled to rotate to adjust the direction, operation is facilitated, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a pulling device. Background Art

[0002] Retractor devices are often needed to assist in surgical operations. Retractor devices are widely used in various surgical operations. They fully expose the surgical field and save the assistant's physical strength, which is beneficial for the assistant to cooperate with the operation, improve the quality of the operation, shorten the operation time, reduce surgical bleeding, and enable the operation to be completed smoothly. Retractor devices play a vital role in the success of the operation, so they are deeply loved by surgeons. The existing technology mostly uses manual traction, which is very inconvenient.

[0003] In the prior art, CN211633416U discloses a surgical traction device for clinical use in general surgery, including a base, a first fixed sleeve, a second fixed sleeve, a first electric telescopic rod, a second electric telescopic rod, a traction hanger, etc. The first electric telescopic rod is provided to realize the up and down movement of the traction hanger during surgery, and the second electric telescopic rod is provided to realize the lateral movement of the traction hanger. The traction hanger can be adjusted according to the needs of the surgery, and bolts are used for connection, so that the device is not only easy to disassemble, but also greatly saves transportation and maintenance costs. The device is very practical and suitable for large-scale promotion and use.

[0004] However, in the above-mentioned prior art, only the lifting and lateral movement of the traction hanger can be controlled, and the traction hanger cannot be rotated to adjust the direction, so the practicality is low. Utility Model Content

[0005] The utility model aims to provide a pulling device, which solves the problem that the existing pulling device can only control the lifting and lateral movement of the pulling hanging part, but cannot conveniently rotate the pulling hanging part to adjust the direction, and has low practicality.

[0006] To achieve the above-mentioned purpose, the utility model adopts a pulling device, including a base, a first fixing sleeve, a second fixing sleeve, a first electric telescopic rod, a second electric telescopic rod, a traction hanger and a rotating assembly, wherein the first fixing sleeve is arranged above the base, the first electric telescopic rod is fixedly connected to the first fixing sleeve, the second fixing sleeve is fixedly connected to the output end of the first electric telescopic rod, the second electric telescopic rod is fixedly connected to the second fixing sleeve, the traction hanger is fixedly connected to the output end of the second electric telescopic rod, and the rotating assembly includes a mounting seat, a worm, a worm wheel, a turning handle, An annular slide rail and a movable ring, the annular slide rail is fixedly connected to the base and is located above the base, the movable ring is fixedly connected to the first fixed sleeve and is located below the first fixed sleeve, and the movable ring is also movably connected to the annular slide rail, the worm wheel is fixedly connected to the first fixed sleeve and is sleeved on the outer wall of the first fixed sleeve, the mounting seat is fixedly connected to the base and is located on the outer wall of the base, both ends of the worm are rotatably connected to the mounting seat, and the worm is meshed with the worm wheel, and the turning handle is fixedly connected to the worm and passes through the mounting seat.

[0007] Wherein, the rotating assembly further comprises a protective cover, which is detachably connected to the mounting seat and is located on the outer side wall of the mounting seat.

[0008] Wherein, the rotating assembly further comprises an anti-slip sleeve, which is fixedly connected to the handlebar and sleeved on the outer wall of the handlebar.

[0009] Wherein, the pulling device further includes a moving component, and the moving component is arranged below the base.

[0010] Among them, the moving assembly includes multiple fixed seats, multiple moving wheels and a push rod. The multiple fixed seats are fixedly connected to the base and are located below the base. Each of the moving wheels is respectively arranged below the corresponding fixed seat. The push rod is fixedly connected to the base and is located on the outer wall of the base.

[0011] Wherein, the moving assembly further comprises a plurality of wheel brakes, each of which is respectively arranged on the corresponding moving wheel.

[0012] The utility model provides a traction device. When the direction of the traction hanger needs to be adjusted, the handle is shaken on the base, and the handle drives the worm to rotate in the mounting seat. Due to the meshing transmission between the worm and the worm wheel, the worm drives the movable ring under the first fixed sleeve to slide in the annular slide rail, so that the traction hanger rotates. Then, the medical staff uses the traction hanger to perform surgery, thereby realizing the ability to control the rotation of the traction hanger to adjust the direction, facilitating the operation and increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0015] Figure 2 It is a side view of the overall structure of the first embodiment of the utility model.

[0016] Figure 3 The utility model Figure 2 AA line structural cross-section view.

[0017] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0018] Figure 5 It is a side view of the overall structure of the second embodiment of the utility model.

[0019] 101-base, 102-first fixed sleeve, 103-second fixed sleeve, 104-first electric telescopic rod, 105-second electric telescopic rod, 106-traction hanger, 107-mounting seat, 108-worm, 109-worm wheel, 110-handle, 111-annular slide rail, 112-movable ring, 113-protective cover, 114-anti-slip sleeve, 201-fixed seat, 202-moving wheel, 203-push rod, 204-wheel brake. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] First embodiment

[0022] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a side view of the overall structure of the first embodiment, Figure 3 yes Figure 2 AA line structural cross-section view.

[0023] The utility model provides a pulling device, including a base 101, a first fixing sleeve 102, a second fixing sleeve 103, a first electric telescopic rod 104, a second electric telescopic rod 105, a traction hanger 106 and a rotating assembly, wherein the rotating assembly includes a mounting seat 107, a worm 108, a worm wheel 109, a turning handle 110, an annular slide rail 111, a movable ring 112, a protective cover 113 and an anti-slip sleeve 114. The above-mentioned solution solves the problem that the existing traction hanger can only be controlled to rise and fall and move horizontally, but cannot be conveniently rotated to adjust the direction, and has low practicality.

[0024] According to this specific embodiment, the first fixing sleeve 102 is arranged above the base 101, the first electric telescopic rod 104 is fixedly connected to the first fixing sleeve 102, the second fixing sleeve 103 is fixedly connected to the output end of the first electric telescopic rod 104, the second electric telescopic rod 105 is fixedly connected to the second fixing sleeve 103, and the traction hanger 106 is fixedly connected to the output end of the second electric telescopic rod 105. The up and down movement of the traction hanger 106 during surgery is achieved through the first electric telescopic rod 104, and the lateral movement of the traction hanger 106 is achieved through the second electric telescopic rod 105, which can be adjusted according to the needs of the surgery.

[0025] The annular slide rail 111 is fixedly connected to the base 101 and is located above the base 101. The movable ring 112 is fixedly connected to the first fixed sleeve 102 and is located below the first fixed sleeve 102. The movable ring 112 is also movably connected to the annular slide rail 111. The worm wheel 109 is fixedly connected to the first fixed sleeve 102 and is sleeved on the outer wall of the first fixed sleeve 102. The mounting seat 107 is fixedly connected to the base 101 and is located on the outer wall of the base 101. Both ends of the worm 108 are rotatably connected to the mounting seat 107, and the worm 108 is meshed with the worm wheel 109. The turning handle 110 is connected to the The worm 108 is fixedly connected and passes through the mounting seat 107. When the direction of the traction hanger 106 needs to be adjusted, the handle 110 is shaken on the base 101, and the handle 110 drives the worm 108 to rotate in the mounting seat 107. Since the worm 108 is meshed with the worm wheel 109, the worm 108 will drive the movable ring 112 under the first fixed sleeve 102 to slide in the annular slide rail 111, so that the traction hanger 106 rotates, and then the medical staff uses the traction hanger 106 to perform surgical operations, thereby realizing the ability to control the rotation of the traction hanger 106 to adjust the direction, which is beneficial to the operation and increases practicality.

[0026] Secondly, the protective cover 113 is detachably connected to the mounting seat 107 and is located on the outer wall of the mounting seat 107. When the direction of the traction hanger 106 is not adjusted, the handlebar 110 is covered on the mounting seat 107 by the protective cover 113 to avoid exposure.

[0027] At the same time, the anti-slip cover 114 is fixedly connected to the twirl handle 110 and is sleeved on the outer wall of the twirl handle 110. The anti-slip cover 114 is arranged on the twirl handle 110, and the anti-slip cover 114 increases the anti-slip effect and comfort when using the twirl handle 110.

[0028] The first electric telescopic rod 104 is used to realize the up and down movement of the traction hanger 106 during the operation, and the second electric telescopic rod 105 is used to realize the lateral movement of the traction hanger 106. When the direction of the traction hanger 106 needs to be adjusted, the protective cover 113 is removed from the mounting seat 107, and the turning handle 110 is shaken on the base 101, and the turning handle 110 drives the worm 108 to rotate in the mounting seat 107. Since the worm 108 is meshed with the worm wheel 109 for transmission, the worm 108 is 08 will drive the movable ring 112 under the first fixed sleeve 102 to slide in the annular slide rail 111, so that the traction hanger 106 can adjust itself according to the needs of the operation as it rotates, and then the medical staff uses the traction hanger 106 to perform the operation; by arranging the anti-slip sleeve 114 on the turning handle 110, the anti-slip sleeve 114 increases the anti-slip effect and comfort when using the turning handle 110, and realizes the ability to control the rotation of the traction hanger 106 to adjust the direction, which is beneficial to the operation and increases practicality.

[0029] Second embodiment

[0030] See also Figure 4 and Figure 5 ,in Figure 4 is a schematic diagram of the overall structure of the second embodiment, Figure 5 It is a side view of the overall structure of the second embodiment.

[0031] On the basis of the first embodiment, the utility model provides a pulling device further including a moving assembly, wherein the moving assembly includes a plurality of fixing seats 201 , a plurality of moving wheels 202 , a push rod 203 and a plurality of wheel brakes 204 .

[0032] The moving assembly is disposed below the base 101 , and the base 101 can be easily moved by the moving assembly, so that the equipment can be conveniently transported.

[0033] The plurality of fixed seats 201 are all fixedly connected to the base 101 and are all located below the base 101. Each of the moving wheels 202 is respectively arranged below the corresponding fixed seat 201. The push rod 203 is fixedly connected to the base 101 and is located on the outer wall of the base 101. When moving the equipment, the medical staff holds the push rod 203 and applies force to push the push rod 203. At this time, the moving wheels 202 under each of the fixed seats 201 will move on the ground, so that the equipment is moved, which is convenient for transportation of the equipment.

[0034] Each wheel brake 204 is respectively arranged on the corresponding moving wheel 202. By arranging the wheel brake 204 on the moving wheel 202, it is possible to prevent the moving wheel 202 from easily moving on the ground.

[0035] When moving the equipment, first release the wheel brake 204 on each of the moving wheels 202, then the medical staff holds the push rod 203 and applies force to push the push rod 203. At this time, the moving wheels 202 under each of the fixed seats 201 will move on the ground, so that the equipment can be moved, which is convenient for transportation.

[0036] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A pulling device, comprising a base, a first fixing sleeve, a second fixing sleeve, a first electric telescopic rod, a second electric telescopic rod and a pulling hanger, wherein the first fixing sleeve is arranged above the base, the first electric telescopic rod is fixedly connected to the first fixing sleeve, the second fixing sleeve is fixedly connected to the output end of the first electric telescopic rod, the second electric telescopic rod is fixedly connected to the second fixing sleeve, and the pulling hanger is fixedly connected to the output end of the second electric telescopic rod, characterized in that: It also includes a rotating assembly, which includes a mounting seat, a worm, a worm wheel, a turning handle, an annular slide rail and a movable ring. The annular slide rail is fixedly connected to the base and is located above the base. The movable ring is fixedly connected to the first fixed sleeve and is located below the first fixed sleeve, and the movable ring is also movably connected to the annular slide rail. The worm wheel is fixedly connected to the first fixed sleeve and is sleeved on the outer wall of the first fixed sleeve. The mounting seat is fixedly connected to the base and is located on the outer wall of the base. Both ends of the worm are rotatably connected to the mounting seat, and the worm is meshed with the worm wheel. The turning handle is fixedly connected to the worm and passes through the mounting seat.

2. The pulling device according to claim 1, characterized in that: The rotating assembly also includes a protective cover, which is detachably connected to the mounting seat and is located on the outer side wall of the mounting seat.

3. The pulling device according to claim 2, characterized in that: The rotating assembly also includes an anti-slip sleeve, which is fixedly connected to the handlebar and sleeved on the outer wall of the handlebar.

4. The pulling device according to claim 3, characterized in that: The pulling device also includes a moving component, and the moving component is arranged below the base.

5. The pulling device according to claim 4, characterized in that: The moving assembly includes multiple fixed seats, multiple moving wheels and a push rod. The multiple fixed seats are fixedly connected to the base and are located below the base. Each of the moving wheels is respectively arranged below the corresponding fixed seat. The push rod is fixedly connected to the base and is located on the outer wall of the base.

6. The pulling device according to claim 5, characterized in that: The moving assembly further comprises a plurality of wheel brakes, each of which is respectively arranged on a corresponding moving wheel.

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