CN214907455U - Lumbar vertebra three-way minimally invasive retractor - Google Patents

Abstract

The utility model discloses a lumbar vertebrae three-dimensional wicresoft retractor, including the motor protection case, the top fixedly connected with motor of motor protection incasement wall, the first threaded rod of output fixedly connected with of motor, first threaded rod is close to the surface of motor protection case department pass through the bearing with the motor protection case rotates to be connected, the surface threaded connection of first threaded rod has the threaded sleeve, the telescopic top fixedly connected with angle adjusting disk of threaded sleeve, the top of angle adjusting disk is equipped with the regulation pole. The utility model discloses a motor drives first threaded rod and rotates, and the rotatory cooperation through slide cartridge and slide bar of first threaded rod upwards promotes the threaded sleeve, and the threaded sleeve drives the angle modulation dish, and the angle modulation dish drives the regulation pole, adjusts the pole and drives the three-dimensional hook rebound and carry out the altitude mixture control, has solved the problem that the lumbar vertebrae position that three-dimensional wicresoft retractor can not operate according to the patient needs carries out the regulation of height, has improved the practicality.

Description

Lumbar vertebra three-way minimally invasive retractor

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to lumbar vertebrae three-dimensional wicresoft retractor.

Background

The retractor is also called a retractor body, is used for retracting tissues, exposing an operation field, is convenient to explore and operate, and can be divided into a handheld retractor body and an automatic retractor body. The retractor body has various specifications of different shapes and sizes, and can be selected according to the operation requirement. Thyroid gland draws jun also called the right angle drag hook body, is the flat hook form, is often used for thyroid gland position tractive and exposes, also is often used for other operations, can draw skin, subcutaneous tissue, muscle and manadesma etc.. The S-shaped drag hook body is also called a curved hook, is an S-shaped abdominal deep drag hook body used for the deep operation of the pleuroperitoneal cavity and has the characteristics of large, medium, small, wide and narrow. The automatic retractor body is a self-fixing retractor, also called a self-holding retractor body, such as a two-blade type or three-blade type automatic retractor, and can be used for operations of abdominal cavity, thoracic cavity, pelvic cavity, waist, craniocerebral and other parts. The existing lumbar retractor generally pulls open the opposite retractor body in a way that the range of two sides of the incision is possibly expanded, so that the amount of bleeding is increased, and the operation is not facilitated.

The existing three-dimensional minimally invasive retractor cannot adjust the height of the lumbar vertebra part to be operated by a patient, and is poor in practicability.

Therefore, it is necessary to invent a lumbar three-way minimally invasive retractor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lumbar vertebrae three-dimensional wicresoft retractor to solve current three-dimensional wicresoft retractor and can not carry out the regulation of height, the relatively poor problem of practicality according to the lumbar vertebrae position that the patient needs the operation.

In order to achieve the above object, the present invention provides the following technical solutions: a lumbar vertebra three-way minimally invasive retractor comprises a motor protection box, wherein a motor is fixedly connected to the top of the inner wall of the motor protection box, a first threaded rod is fixedly connected to the output end of the motor, the outer surface of the first threaded rod, which is close to the motor protection box, is rotatably connected with the motor protection box through a bearing, a threaded sleeve is connected to the outer surface of the first threaded rod in a threaded manner, an angle adjusting disc is fixedly connected to the top of the threaded sleeve, an adjusting rod is arranged at the top of the angle adjusting disc, a fixed disc is arranged at the top of the adjusting rod, a second threaded rod is fixedly connected to the circle center of the bottom of the fixed disc, one end, which is far away from the fixed disc, of the second threaded rod penetrates through the adjusting rod and extends to the angle adjusting disc, the second threaded rod is in threaded connection with the angle adjusting disc, the adjusting rod is rotatably connected with the second threaded rod, the three-way draw hook is installed to the one end of adjusting the pole, threaded sleeve all is equipped with stop gear all around, the bottom of motor protection case is equipped with sucking disc mechanism.

Preferably, stop gear includes the slide cartridge, all be equipped with the slide cartridge around the screw sleeve, the bottom of slide cartridge with motor protection case fixed connection, the inside sliding connection of slide cartridge has the slider, the top fixedly connected with slide bar of slider, the slide bar is kept away from the one end of slider runs through the slide cartridge and extends to angle modulation dish department, the slide bar with angle modulation dish fixed connection.

Preferably, the sucking disc mechanism includes the negative pressure tank, the bottom fixedly connected with negative pressure tank of motor guard box, a plurality of rubber suction cup is installed to negative pressure tank's bottom, one side of motor guard box is equipped with the negative pressure pump, the negative pressure pump with negative pressure tank fixed connection.

Preferably, the air inlet end of the negative pressure pump is connected with the negative pressure tank, and the air outlet end of the negative pressure pump is connected with an external port.

Preferably, one side of the angle adjusting disc, which is far away from the threaded sleeve, is fixedly connected with a first damping pad, and the first damping pad is matched with the angle adjusting disc.

Preferably, one side of the fixed disk, which is close to the adjusting rod, is fixedly connected with a second damping pad, and the second damping pad is matched with the fixed disk.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the first threaded rod is driven to rotate by the motor, the first threaded rod rotates to push the threaded sleeve upwards through the matching of the sliding cylinder and the sliding rod, the threaded sleeve drives the angle adjusting disc, the angle adjusting disc drives the adjusting rod, and the adjusting rod drives the three-way traction hook to move upwards to adjust the height, so that the problem that the three-way minimally invasive retractor cannot adjust the height according to the lumbar vertebra part of a patient needing to be operated is solved, and the practicability is improved;

2. the negative pressure pump evacuates air in the negative pressure box to enable the negative pressure box to be in a negative pressure state, so that the rubber sucker at the bottom of the negative pressure box is adsorbed on the floor tile to be fixed, the three-way minimally invasive retractor is prevented from shaking left and right during surgery, and the potential safety hazard problem during surgery is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall sectional view of the present invention;

fig. 3 is a connection view of a first threaded rod and a threaded sleeve of the present invention;

FIG. 4 is a connection diagram of the fixing plate and the second damping pad of the present invention;

fig. 5 is a connecting diagram of the three-way towing hook and the adjusting rod of the present invention.

Description of reference numerals:

1. a motor protection box; 2. a motor; 3. a first threaded rod; 4. a threaded sleeve; 5. an angle adjusting disk; 6. adjusting a rod; 7. fixing the disc; 8. a second threaded rod; 9. a three-way towing hook; 10. a slide cylinder; 11. a slider; 12. a slide bar; 13. a negative pressure tank; 14. a rubber suction cup; 15. a negative pressure pump; 16. a first damping pad; 17. a second damping pad.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a lumbar three-way minimally invasive retractor as shown in figures 1-5, which comprises a motor protection box 1, wherein the top of the inner wall of the motor protection box 1 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with a first threaded rod 3, the outer surface of the position of the first threaded rod 3 close to the motor protection box 1 is rotationally connected with the motor protection box 1 through a bearing, the outer surface of the first threaded rod 3 is connected with a threaded sleeve 4 through a thread, the top of the threaded sleeve 4 is fixedly connected with an angle adjusting disc 5, the top of the angle adjusting disc 5 is provided with an adjusting rod 6, the top of the adjusting rod 6 is provided with a fixed disc 7, the circle center of the bottom of the fixed disc 7 is fixedly connected with a second threaded rod 8, one end of the second threaded rod 8 far away from the fixed disc 7 penetrates through the adjusting rod 6 and extends to the angle adjusting disc 5, second threaded rod 8 with 5 threaded connection of angle adjusting disk, adjust pole 6 with second threaded rod 8 rotates and connects, adjust the one end of pole 6 and install three-dimensional towing hook 9, threaded sleeve 4 all is equipped with stop gear all around, the bottom of motor protection case 1 is equipped with sucking disc mechanism.

Further, in the above technical scheme, stop gear includes slide cartridge 10, slide cartridge 10 all is equipped with around threaded sleeve 4, the bottom of slide cartridge 10 with motor protection case 1 fixed connection, slide cartridge 10 inside sliding connection has slider 11, slider 11's top fixedly connected with slide bar 12, slide bar 12 keeps away from the one end of slider 11 runs through slide cartridge 10 and extends to angle adjusting disk 5 department, slide bar 12 with angle adjusting disk 5 fixed connection can carry on spacingly to angle adjusting disk 5, prevents that angle adjusting disk 5 from rotating.

Further, in the above technical scheme, the sucking disc mechanism includes negative pressure tank 13, the bottom fixedly connected with negative pressure tank 13 of motor protection case 1, a plurality of rubber suction cups 14 are installed to the bottom of negative pressure tank 13, one side of motor protection case 1 is equipped with negative pressure pump 15, negative pressure pump 15 with negative pressure tank 13 fixed connection prevents that three-way wicresoft retractor from controlling to rock during the operation, has reduced the potential safety hazard problem during the operation.

Further, in the above technical solution, the air inlet end of the negative pressure pump 15 is connected to the negative pressure tank 13, and the air outlet end of the negative pressure pump 15 is connected to an external port

As shown in fig. 1-5: one side fixedly connected with first damping pad 16 that angle adjusting disk 5 kept away from threaded sleeve 4, first damping pad 16 with angle adjusting disk 5 looks adaptation has increased the frictional force between angle adjusting disk 5 and the regulation pole 6.

Further, in the above technical solution, one side of the fixed disk 7 close to the adjusting rod 6 is fixedly connected with a second damping pad 17, and the second damping pad 17 is matched with the fixed disk 7, so that the friction force between the fixed disk 7 and the adjusting rod 6 is increased.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, a motor 2 drives a first threaded rod 3 to rotate, the first threaded rod 3 rotates to push a threaded sleeve 4 upwards through the matching of a sliding barrel 10 and a sliding rod 12, the threaded sleeve 4 drives an angle adjusting disc 5, the angle adjusting disc 5 drives an adjusting rod 6, the adjusting rod 6 drives a three-way traction hook to move upwards to adjust the height, the problem that the three-way minimally invasive retractor cannot adjust the height according to the lumbar vertebra part of a patient needing surgery is solved, and the practicability is improved;

referring to the attached drawings 1-5 in the specification, air in the negative pressure box 13 is pumped out through the negative pressure pump 15, so that the inside of the negative pressure box 13 is in a negative pressure state, the rubber suction cups 14 at the bottom of the negative pressure box 13 are adsorbed on floor tiles to be fixed, the three-way minimally invasive retractor is prevented from shaking left and right during surgery, and the potential safety hazard problem during surgery is reduced.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (6)

1. The utility model provides a lumbar vertebrae three-dimensional wicresoft retractor, includes motor protection case (1), its characterized in that: the motor protection box comprises a motor protection box (1), a motor (2) is fixedly connected to the top of the inner wall of the motor protection box (1), a first threaded rod (3) is fixedly connected to the output end of the motor (2), the first threaded rod (3) is close to the outer surface of the motor protection box (1) and is rotatably connected with the motor protection box (1) through a bearing, a threaded sleeve (4) is connected to the outer surface of the first threaded rod (3) in a threaded manner, an angle adjusting disc (5) is fixedly connected to the top of the threaded sleeve (4), an adjusting rod (6) is arranged at the top of the angle adjusting disc (5), a fixed disc (7) is arranged at the top of the adjusting rod (6), a second threaded rod (8) is fixedly connected to the circle center of the bottom of the fixed disc (7), one end, far away from the fixed disc (7), of the second threaded rod (8) penetrates through the adjusting rod (6) and extends to the angle adjusting disc (5), second threaded rod (8) with angle adjusting disk (5) threaded connection, adjust pole (6) with second threaded rod (8) rotate and connect, three-dimensional towing hook (9) are installed to the one end of adjusting pole (6), all be equipped with stop gear around threaded sleeve (4), the bottom of motor protection case (1) is equipped with sucking disc mechanism.

2. The lumbar three-way minimally invasive retractor according to claim 1, wherein: stop gear includes slide cartridge (10), all be equipped with slide cartridge (10) around threaded sleeve (4), the bottom of slide cartridge (10) with motor protection case (1) fixed connection, slide cartridge (10) inside sliding connection has slider (11), the top fixedly connected with slide bar (12) of slider (11), slide bar (12) are kept away from the one end of slider (11) is run through slide cartridge (10) and is extended to angle modulation dish (5) department, slide bar (12) with angle modulation dish (5) fixed connection.

3. The lumbar three-way minimally invasive retractor according to claim 1, wherein: the sucking disc mechanism includes negative pressure tank (13), the bottom fixedly connected with negative pressure tank (13) of motor protection case (1), a plurality of rubber suction cup (14) are installed to the bottom of negative pressure tank (13), one side of motor protection case (1) is equipped with negative pressure pump (15), negative pressure pump (15) with negative pressure tank (13) fixed connection.

4. The lumbar three-way minimally invasive retractor according to claim 3, wherein: the air inlet end of the negative pressure pump (15) is connected with the negative pressure box (13), and the air outlet end of the negative pressure pump (15) is connected with an external port.

5. The lumbar three-way minimally invasive retractor according to claim 1, wherein: one side fixedly connected with first damping pad (16) of angle adjusting disk (5) keep away from threaded sleeve (4), first damping pad (16) with angle adjusting disk (5) looks adaptation.

6. The lumbar three-way minimally invasive retractor according to claim 1, wherein: the fixed disk (7) is close to one side fixedly connected with a second damping pad (17) of the adjusting rod (6), and the second damping pad (17) is matched with the fixed disk (7).

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