CN213430306U

CN213430306U - Adjustable retractor for thoracic surgery

Info

Publication number: CN213430306U
Application number: CN202021690058.0U
Authority: CN
Inventors: 吴柳盛; 李小强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-15
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a thoracic surgery is with adjustable retractor, including bracing piece, removal cover block, fixed subassembly and hoisting device, the bracing piece sets up for door column structure, remove cover block evenly distributed and locate on the bracing piece, it is portable to cup joint on the bracing piece to remove the cover block, fixed subassembly articulates in bracing piece both ends lower part, hoisting device locates and removes the cover block lower part. The utility model belongs to the technical field of medical instrument, specifically indicate one kind through hoisting device, realize the drawing of patient affected part subassembly, make things convenient for medical staff to work to through fixed subassembly, increased fixed mode, make the application scope greatly increased of retractor, the thoracic surgery that the practicality improves greatly is with adjustable retractor.

Description

Adjustable retractor for thoracic surgery

Technical Field

The utility model belongs to the technical field of medical instrument, specifically indicate a thoracic surgery is with adjustable retractor.

Background

Retractors (also called as draw hooks) are used to retract tissue, expose the area to be operated, and are convenient for exploration and operation, and can be divided into two types, namely hand-held draw hooks and automatic draw hooks. There are various different shapes and size's specification, can select suitable drag hook according to the operation needs, current thoracic surgery retractor exists to adjust unchangeably, be unfavorable for carrying out the drawing of affected part tissue, influence the operation effect, it is inconvenient to use, and the retractor needs to realize stable fixed moreover, current retractor is fixed on the operation table mostly, but current operation table width is different, it can't be through conventional fixed mode to have some operation tables, realize the fixed of retractor, influence going on smoothly of operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a through hoisting device, realize the drawing of patient affected part subassembly, make things convenient for medical staff to work to through fixed subassembly, increased fixed mode, make the application scope greatly increased of retractor, the thoracic surgery that the practicality improves greatly is with adjustable retractor.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an adjustable retractor for thoracic surgery comprises a supporting rod, a movable sleeve block, a fixed assembly and a lifting device, wherein the supporting rod is arranged in a door-shaped structure, the movable sleeve block is uniformly distributed on the supporting rod and movably sleeved on the supporting rod, the fixed assembly is hinged to the lower parts of two ends of the supporting rod, and the lifting device is arranged on the lower part of the movable sleeve block and used for controlling an affected part of a patient to keep an open state; the lifting device comprises a screw rod, a screw rod shell, a screw rod pair, a fixing block, a connecting rod, a supporting frame, a first gear, a second gear and a knob, wherein the screw rod shell is arranged at the lower part of the movable sleeve block, the fixing block is arranged at the lower part of the upper wall of the screw rod shell, the screw rod is arranged in the screw rod shell, the screw rod can be rotatably arranged in the fixing block, the screw rod pair is sleeved on the screw rod, the connecting rod is arranged on the side surface of the screw rod pair, the connecting rod is arranged at the lower part of one end, far away from the screw rod pair, of the connecting rod, the supporting frame is arranged at the lower part of the connecting rod, the supporting frame is of a semi-circular structure, the second gear is fixedly arranged at the lower part of the screw rod, the first gear can be rotatably arranged at the lower end of the, utilize the high characteristic of lead screw transmission accuracy, can realize that accurate control carriage removes, reduce the injury to the patient.

Further, fixed subassembly includes dead lever, fixed frame, clamping spring and pinch-off blades, the dead lever articulates locates the carriage lower part, the dead lever lower part is located to fixed frame, fixed frame is the setting of lower extreme open-ended cavity structures, the clamping spring symmetry is located on fixed frame inner wall side, the pinch-off blades is located on the side that clamping spring is close to the dead lever, if the bed body is wide enough, then directly place on the bed body, if the bed body both sides space is not enough place the utility model discloses, then rotate fixed subassembly, utilize the clamping spring control pinch-off blades to remove, it will to press from both sides the bed body through the pinch-off blades the utility model discloses fix on the operation bed.

Furthermore, the center of the inner wall of the fixing rod is provided with a limiting rod in a removing position, the limiting rod is arranged in a T-shaped structure, the limiting rod is used for limiting the moving range of the clamping plate, the clamping plate is prevented from being attached tightly, the clamping plate is difficult to separate under the action of the clamping spring, and the fixing difficulty is increased.

Further, the clamp plate height is greater than the gag lever post height, utilizes the clamp plate to realize the utility model discloses a fixed, it is fixed to avoid the gag lever post to influence the clamp plate.

Furthermore, the top of the movable sleeve block is provided with a movable rod, so that the movable sleeve block can be conveniently controlled to move through the movable rod.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides a pair of retractor with adjustable thoracic surgery, easy operation, the mechanism is compact, reasonable in design through addding hoisting device, reciprocates through lead screw cooperation control carriage, utilizes the high characteristic of lead screw transmission accuracy, can realize that accurate control carriage removes, reduces the injury to the patient, utilizes fixed subassembly fixed moreover the utility model discloses, increased the utility model discloses an application range has strengthened the practicality.

Drawings

FIG. 1 is a general block diagram of an adjustable thoracic surgical retractor according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a structural view of a lifting device of the adjustable retractor for thoracic surgery of the present invention.

The device comprises a support rod 1, a support rod 2, a movable sleeve block 3, a fixed assembly 4, a lifting device 5, a lead screw 6, a lead screw shell 7, a lead screw pair 8, a fixed block 9, a connecting rod 10, a connecting rod 11, a support frame 12, a first gear 13, a second gear 14, a knob 15, a fixed rod 16, a fixed frame 17, a clamping spring 18, a clamping plate 19, a limiting rod 20 and a movable rod.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model relates to an adjustable retractor for thoracic surgery, which comprises a support rod 1, a movable sleeve 2, a fixed component 3 and a lifting device 4, wherein the support rod 1 is arranged in a door-shaped structure, the movable sleeve 2 is uniformly distributed on the support rod 1, the movable sleeve 2 is movably sleeved on the support rod 1, the fixed component 3 is hinged at the lower part of the two ends of the support rod 1, and the lifting device 4 is arranged at the lower part of the movable sleeve 2; the lifting device 4 comprises a screw 5, a screw shell 6, a screw pair 7, a fixing block 8, a connecting rod 9, a connecting rod 10, a supporting frame 11, a first gear 12, a second gear 13 and a knob 14, wherein the screw shell 6 is arranged on the lower part of the movable sleeve block 2, the fixing block 8 is arranged on the lower part of the upper wall of the screw shell 6, the screw 5 is arranged in the screw shell 6, the screw 5 is rotatably arranged in the fixing block 8, the screw pair 7 is sleeved on the screw 5, the connecting rod 9 is arranged on the side surface of the screw pair 7, the connecting rod 10 is arranged on the lower part of one end of the connecting rod 9 far away from the screw pair 7, the supporting frame 11 is arranged on the lower part of the connecting rod 10, the supporting frame 11 is of a semicircular structure, the second gear 13 is fixedly arranged on the lower part of the screw 5, the first gear 12 is rotatably arranged on the lower end of the, the knob 14 is arranged at the lower end of the side surface of the screw shell 6 and is fixedly connected to the first gear 12.

Fixed subassembly 3 includes dead lever 15, fixed frame 16, clamping spring 17 and pinch plate 18, dead lever 15 articulates locates the 11 lower parts of carriage, dead lever 15 lower part is located to fixed frame 16, fixed frame 16 is the setting of lower extreme open-ended cavity structures, clamping spring 17 symmetry is located on fixed frame 16 inner wall side, clamping plate 18 is located on clamping spring 17 is close to the side of dead lever 15.

The center of the inner wall of the fixed rod 15 is provided with a limiting rod 19, and the limiting rod 19 is of a T-shaped structure.

The height of the clamping plate 18 is greater than that of the limiting rod 19.

The top of the movable sleeve block 2 is provided with a movable rod 20.

During the specific use, at first, according to the width of the bed body, select suitable fixed mode, if the bed body is wide enough, then directly place on the bed body, if the bed body both sides space is not enough to place the utility model discloses, then rotate fixed subassembly 3, utilize clamping spring 17 control clamp plate 18 to remove, it will to press from both sides tight bed body through clamp plate 18 the utility model discloses fix on the operation table, later

rotatory knob

14, 14 synchronous moving gears 12 of knob rotate, and gear 12 is connected with two 13 meshing of gear, and two 13 rotations of gear 12 control gear, two 13 control lead screws 5 of gear rotate, and lead screw pair 7 reciprocates simultaneously, and lead screw pair 7 moves through linking rod 9 and connecting rod 10 control carriage 11, utilizes carriage 11 to prop the patient affected part, makes things convenient for medical staff work.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An adjustable retractor for thoracic surgery, comprising: the supporting rod is of a door-shaped structure, the movable sleeve blocks are uniformly distributed on the supporting rod and movably sleeved on the supporting rod, the fixed assemblies are hinged to the lower parts of two ends of the supporting rod, and the lifting device is arranged on the lower part of the movable sleeve blocks; lifting device includes lead screw, lead screw shell, lead screw pair, fixed block, joint pole, connecting rod, carriage, gear one, gear two and knob, the lead screw shell is located and is removed the set piece lower part, the lead screw shell upper wall lower part is located to the fixed block, the lead screw is located in the lead screw shell, the lead screw is rotatable to be located in the fixed block, the lead screw pair cup joints on the lead screw, the joint pole is located on the lead screw pair side, the connecting rod is located and is kept away from the one end lower part of lead screw pair to the joint pole, the connecting rod lower part is located to the carriage, the carriage sets up for half circle ring structure, gear two is fixed locates the lead screw lower part, the lead screw shell inner wall side lower extreme is located to the rotatable one of gear, gear one is connected the setting with two meshing of gears, lead screw shell side lower.

2. The thoracic surgically adjustable retractor of claim 1, wherein: the fixed subassembly includes dead lever, fixed frame, clamping spring and pinch-off blades, the dead lever articulates locates the carriage lower part, the dead lever lower part is located to fixed frame, fixed frame is lower extreme open-ended cavity structures setting, the clamping spring symmetry is located on fixed frame inner wall side, the pinch-off blades is located on the side that the clamping spring is close to the dead lever.

3. The thoracic surgically adjustable retractor of claim 2, wherein: the limiting rod is arranged at the center of the inner wall of the fixing rod and is of a T-shaped structure.

4. The thoracic surgically adjustable retractor of claim 3, wherein: the height of the clamping plate is greater than that of the limiting rod.

5. The thoracic surgically adjustable retractor of claim 1, wherein: and a moving rod is arranged at the top of the moving sleeve block.