CN213525417U - Novel internal fixation traction chest expander - Google Patents

Abstract

The utility model relates to the field of medical equipment, concretely relates to novel internal fixation pulls chest expander. The utility model discloses aim at solving current pull weight and probably take place to drop the place of falling, bring the problem of the risk of unexpected injury and will pull the weight as the traction force source for family members or patient, can not do the problem of most accurate adjustment to patient's actual need's traction force. The utility model discloses a novel internal fixation pulls chest expander includes traction table, haulage rope, traction bow, ke shi needle, fixed plate, pulling force adjusting device, electron tensiometer with tailstock height-adjustable, traction table with tailstock height-adjustable includes bed board, head of a bed support, tailstock support, replaces with pulling force adjusting device and pulls the weight, through the screw rod is in axial displacement in the nut and the data that LCD shows, medical personnel only need easily rotate the swing arm can be applyed according to the slow and accurate change of doctor's advice ke shi needle's pulling force has improved security and accuracy in the clinical operation.

Description

Novel internal fixation traction chest expander

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to novel internal fixation pulls chest expander.

Background

The internal fixation is an operation in which a broken bone is directly connected and fixed in or outside the broken bone by using metal screws, steel plates, intramedullary pins, steel wires or bone plates and the like. Such procedures are commonly used in fracture reduction and osteotomy to maintain reduction of the fracture end. The kirschner wire, a commonly used internal fixation material for orthopedics, is generally fixed in the original specification of about twenty centimeters, has different specifications with the diameter of 0.5-2 millimeters, is used for fixing short fractures or avulsion fractures and other fractures with low stress, and is also commonly used for fixing temporary fracture blocks in the orthopedic operation. Due to wide application, the maximum diameter of the Kirschner wire is gradually increased to 4 mm, and the external fixing bracket and the external fixing locking nail are matched to fix the pelvis fracture, the calcaneus fracture and other emergent large fractures. The traction technique is a common treatment method in orthopedics department, and the traction device is used for relieving muscle tension and strong contraction, reducing fracture and dislocation, preventing and correcting soft tissue contracture, and treating preoperative tissue release and postoperative brake of certain diseases by using the weight of suspension as traction force and the body weight as counter traction force. The traction therapy includes bone traction, skin traction, cloth-supported traction, etc. Clinically, the patient who adopts bone traction internal fixation to fix when pulling to the kirschner wire, generally adopt to pull the weight as the weight that hangs, but, when loading or change weight, pull the weight and probably take place to drop and fall to the ground, bring the risk of accidental injury for family members or patient to, because pull the object of weight for presetting, will pull the weight as the traction force source, can not make the most accurate adjustment to the traction force of patient's actual need.

Accordingly, there is a need in the art for a new internal fixed traction tensioner that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In order to solve above-mentioned problem among the prior art, for solve current pull weight probably take place to drop the ground, bring the problem of the risk of unexpected injury and will pull the weight as the traction force source for family members or patient, can not do the problem of most accurate adjustment to patient's actual need's traction force, the utility model provides a novel internal fixation pulls chest expander. The novel internal fixation traction chest expander comprises a traction bed with an adjustable tailstock height, a traction rope, a traction bow, a Kirschner wire, a fixing plate, a tension adjusting device and an electronic tension meter, wherein the traction bed with the adjustable tailstock height comprises a bed plate, a bed head support and a bed tail support, the fixing plate is arranged in a direction perpendicular to the bed plate and is connected with the bed tail support, the tension adjusting device comprises a screw rod and a limit nut matched with the screw rod, the screw rod comprises a tension adjusting end and a traction end, the tension adjusting end penetrates through the fixing plate in a direction perpendicular to the fixing plate and is rotationally connected with the limit nut, the limit nut is longitudinally arranged and is fixedly connected with a first side face of the fixing plate, the tension adjusting end of the screw rod is provided with a rotary rod, and the traction end is provided with a limiting piece in an extending manner along the diameter direction of the screw rod, the electronic tension meter comprises a connecting end and a tension center shaft, the connecting end of the electronic tension meter is connected with the traction end, the tension center shaft of the electronic tension meter is connected with the traction rope, the traction bow comprises a bow-shaped frame and two traction bow arms arranged in parallel at two ends of the bow-shaped frame, two ends of the traction rope are respectively connected with the tension center shaft of the electronic tension meter and the bow-shaped frame, and the two traction bow arms arranged in parallel at two ends of the bow-shaped frame are connected with two ends of the Kirschner wire.

In the above preferred technical solution, further, the fixed plate is movably connected to the tailstock bracket, the fixed plate is provided with a quadrilateral height adjustment insertion sheet, the tailstock bracket is provided with at least two height adjustment grooves from top to bottom along a direction perpendicular to the bed plate, and the height adjustment insertion sheet is matched with the height adjustment grooves.

In the above preferred technical solution, further, the number of the height adjustment grooves is 2 to 5.

In the above preferred technical solution, further, the length of the quadrilateral height adjusting insert along the width direction of the bed board is 10cm to 15 cm.

In the above preferred technical solution, further, the tension adjusting device is provided with an extension spring, the extension spring includes a first end of the extension spring and a second end of the extension spring, the first end of the extension spring is connected to the traction end, and the second end of the extension spring is connected to the connection end of the electronic tension meter.

In the above preferred technical solution, further, guardrails are disposed on two sides of the traction bed with the adjustable bed tail height along the length direction.

In the above preferred technical solution, further, silent universal wheels are arranged at the bottom ends of the bedside support and the tailstock support.

In the above preferred technical solution, further, the silent universal wheel hinge is rotatably mounted with a brake pad.

The utility model discloses following intentional technological effect has at least: through the screw rod is in axial displacement in the nut and the data that LCD shows, medical personnel only need easily rotate the swing arm can be according to the slow and accurate change of medical advice and is applyed the pulling force of ke shi needle has improved security and accuracy in the clinical operation.

Drawings

The invention is described below with reference to the accompanying drawings. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the present invention in which the tension adjusting device is provided with an extension spring;

fig. 3 is a schematic diagram of an electronic tension meter.

List of reference numerals

1. A bed board; 2. a bed tail support; 3. a fixing plate; 4. a screw; 5. a limit nut; 6. a tension adjusting end; 7. a traction end; 8. rotating the rod; 9. an electronic tension meter; 10. a connecting end; 11. a tension center shaft; 12. a hauling rope; 13. a traction bow arm; 14. a height adjustment insert; 15. an extension spring; 16. a tension spring first end; 17. an extension spring second end; 18. a guardrail; 19. a mute universal wheel; 20. a brake pad; 21. a power source; 22. a control panel; 23. a tension sensor; 24. a liquid crystal display screen; 25. a first side of the fixed plate.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element 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.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring first to fig. 1 to 3, a novel internal fixation chest expander of the present invention will be described.

In order to solve the existing problems, the utility model provides a novel internal fixation traction chest expander, which comprises a traction bed with adjustable bed tail height, a traction rope 12, a traction bow 13, a kirschner wire (not shown in the figure), a fixed plate 3, a tension adjusting device and an electronic tension meter 9, wherein the traction bed with adjustable bed tail height comprises a bed plate 1, a bed head support (not shown in the figure) and a bed tail support 2, the fixed plate 3 is arranged along the direction vertical to the bed plate, the middle part of the fixed plate 3 is connected with the bed tail support 2, the fixed plate 3 can be connected with the bed tail support 2 through the matching of at least two groups of bolts and nuts, and the middle part of the fixed plate 3 can be connected with the bed tail support 2 through the mode of arranging a hook at the side surface of the fixed plate 3 connected with the bed tail support 2, the tension adjusting device comprises a screw rod 4 and a limit nut 5 matched with the screw rod 4, the screw rod 4 comprises a tension adjusting end 6 and a traction end 7, the tension adjusting end 6 penetrates through the fixing plate 3 in the direction perpendicular to the fixing plate 3 and is rotationally connected with the limit nut 5, the limit nut 5 is longitudinally arranged and is fixedly connected with a first side surface 25 of the fixing plate, the tension adjusting end 6 of the screw rod 4 is provided with a rotating rod 8, the traction end 7 extends along the diameter direction of the screw rod 4 and is provided with a limiting sheet, the bedside support can be independently provided with the fixing plate 3 and the tension adjusting device, or the bedside support and the bedside support 2 are respectively provided with the fixing plate 3 and the tension adjusting device, the electronic tension meter 9 comprises a connecting end 10, a shell and a power supply 21 arranged inside the shell, The pull rope comprises a control panel 22, a tension sensor 23, a tension center shaft 11 and a liquid crystal display screen 24 arranged on the shell, wherein the connecting end 10 is connected with the traction end 7, the connecting end 10 is connected with the traction end 7 in a welding mode, and can also be connected in a mode that a first hook and a first hanging ring are arranged between the connecting end 10 and the traction end 7, the tension center shaft 11 comprises a fixed end and a free end, the fixed end extends into the shell to be connected with the tension sensor 23, the free end extends out of the shell to be connected with the pull rope 12, the pull rope 12 comprises a first end of the pull rope and a second end of the pull rope, the first end of the pull rope is connected with the free end of the tension center shaft, and a second hook and a second hanging ring are arranged between the free end of the tension center shaft and the first end of the pull rope, the second couple with the second link matches and makes the free end of pulling force center pin with the first end of haulage rope is connected, force sensor 23 with control panel 22 is connected, liquid crystal display 24 with control panel 22 is connected, control panel 22 with power 21 is connected, the traction bow include bow type frame (not shown in the figure) and two parallel arrangement in the traction bow arm 13 at bow type frame both ends, the bow type frame with the second end of haulage rope is connected, two parallel arrangement in the traction bow arm 13 at bow type frame both ends with the both ends of ke shi needle are connected. The operation principle of the present embodiment is as follows: the screw rod 4 is rotated in the limit nut 5 by rotating the rotary rod 8 arranged at the tension adjusting end 6 of the screw rod 4, the screw rod 4 is axially moved along the horizontal direction by the action of threads, when the rotary rod 8 moves axially towards the direction far away from the limiting nut 5, the pulling force of the traction rope 12 on the kirschner wire is increased, and conversely, when the rotating rod 8 moves axially towards the direction close to the limit nut 5, the pulling force of the pulling rope 12 on the kirschner wire is reduced, medical personnel can observe the change of the pulling force applied to the kirschner wire through the liquid crystal display 24, and the limit piece extending along the diameter direction of the screw rod 4 and arranged at the pulling end 7 can prevent the screw rod 4 from separating from the fixing plate 3 when moving axially towards the direction far away from the limit nut 5.

The advantage of above-mentioned setting lies in: through the screw rod is in axial displacement in the nut and the data that LCD shows, medical personnel only need easily rotate the swing arm can be according to the slow and accurate change of medical advice and is applyed the pulling force of ke shi needle has improved security and accuracy in the clinical operation.

It should be noted that the above preferred embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can adjust the above setting mode without deviating from the principle of the present invention, so that the present invention can be applied to more specific application scenarios.

For example, in an alternative embodiment, the fixing plate 3 is movably connected to the tailstock 2, the fixing plate 3 is provided with a quadrilateral height adjusting insertion sheet 14, the tailstock 2 is provided with at least two height adjusting grooves (not shown in the figure) from top to bottom along a direction perpendicular to the bed board 1, and the height adjusting insertion sheet 14 is matched with the height adjusting grooves. The working principle of the embodiment is as follows: the height of the tension adjusting device can be adjusted through the matching of the height adjusting inserting piece 14 and the height adjusting groove, and then the direction of tension applied to the two ends of the Kirschner wire can be adjusted. The height adjusting insertion piece 14 is quadrilateral, so that the fixing plate 3 can be fixed at a required height through one height adjusting insertion piece 14, and the cost is saved.

For another example, in another alternative embodiment, the number of the height adjustment grooves is 2 to 5. The number of the height adjusting grooves is set to be 2-5, so that the height adjusting range of the fixing plate is expanded.

For another example, in another alternative embodiment, the length of the quadrilateral height adjusting inserting piece 14 along the width direction of the bed board 1 is 10 cm-15 cm. The length of the quadrilateral height adjusting inserting piece 14 along the width direction of the bed board 1 is set to be 10 cm-15 cm, so that the stability between the quadrilateral height adjusting inserting piece 14 and the bed tail support 2 can be improved.

As yet another example, in another alternative embodiment, the tension adjustment device is provided with an extension spring 15, which includes an extension spring first end 16 and an extension spring second end 17, the extension spring first end 16 being connected to the traction end 7, and the extension spring second end 17 being connected to the connection end 10 of the electronic tension meter. The extension spring 15 may function to absorb vibration and impact energy.

As yet another example, in another alternative embodiment, the traction bed with adjustable bed tail height is provided with guardrails 18 on both sides in the length direction.

For another example, in another alternative embodiment, the bottom ends of the bedside and tailstock supports 2 are provided with silent universal wheels 19. Bed head support and 2 bottoms of tailstock support set up silence universal wheel 19, not only can with novel internal fixation pulls the chest expander and removes any position, can prevent to cause great vibrations when meeting with the road surface unevenness moreover, not only can avoid producing noise pollution to other diseases, prolongs the life of universal wheel moreover.

For another example, in another alternative embodiment, the silent caster wheel 19 is rotatably hinged with a brake pad 20. The working principle of the embodiment is as follows: utilize silence universal wheel 19 can with novel internal fixation pulls the chest expander after moving to any position, through rotatory brake block 20 is right novel internal fixation pulls the chest expander and brakes.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (8)

1. A novel internal fixation traction chest expander is characterized by comprising a traction bed with an adjustable bed tail height, a traction rope, a traction bow, a Kirschner wire, a fixed plate, a tension adjusting device and an electronic tension meter, wherein the traction bed with the adjustable bed tail height comprises a bed plate, a bed head support and a bed tail support, the fixed plate is arranged in a direction perpendicular to the bed plate and is connected with the bed tail support, the tension adjusting device comprises a screw rod and a limit nut matched with the screw rod, the screw rod comprises a tension adjusting end and a traction end, the tension adjusting end penetrates through the fixed plate in a direction perpendicular to the fixed plate and is connected with the limit nut in a rotating manner, the limit nut is longitudinally arranged and is fixedly connected with a first side face of the fixed plate, the tension adjusting end of the screw rod is provided with a rotary rod, and the traction end is provided with a limit piece along the diameter direction of the screw rod in an extending manner, the electronic tension meter comprises a connecting end and a tension center shaft, the connecting end of the electronic tension meter is connected with the traction end, the tension center shaft of the electronic tension meter is connected with the traction rope, the traction bow comprises a bow-shaped frame and two traction bow arms arranged in parallel at two ends of the bow-shaped frame, two ends of the traction rope are respectively connected with the tension center shaft of the electronic tension meter and the bow-shaped frame, and the two traction bow arms arranged in parallel at two ends of the bow-shaped frame are connected with two ends of the Kirschner wire.

2. The novel internal fixed traction chest expander as claimed in claim 1, wherein said fixed plate is movably connected to said tailstock frame, said fixed plate is provided with a quadrilateral height adjustment insertion sheet, said tailstock frame is provided with at least two height adjustment slots from top to bottom along the direction perpendicular to said bed board, and said height adjustment insertion sheet is matched with said height adjustment slots.

3. The novel internal fixed traction chest expander as claimed in claim 2, wherein the number of said height adjusting grooves is 2-5.

4. The novel internal-fixation traction chest expander as claimed in claim 2, wherein the length of the quadrilateral height-adjusting insertion piece along the width direction of the bed board is 10-15 cm.

5. The novel internal fixed traction chest expander as claimed in claim 1, wherein said tension adjusting means is provided with an extension spring, said extension spring comprising an extension spring first end and an extension spring second end, said extension spring first end being connected to said traction end and said extension spring second end being connected to said connection end of said electronic tension meter.

6. The novel internal fixed traction chest expander as claimed in claim 1, wherein the traction bed with adjustable bed tail height is provided with guardrails along both sides of the length direction.

7. The novel internal fixed traction chest expander as claimed in claim 1, wherein the bottom ends of the head support and the tail support are provided with silent universal wheels.

8. The new internal fixed traction tensioner as claimed in claim 7, wherein the silent cardan wheel hinge is rotatably mounted with a brake pad.

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