CN218391327U - Novel forceps holder spine traction device - Google Patents

Abstract

The utility model provides a novel forceps holder backbone leads a device, the on-line screen storage device comprises a base, base top fixed mounting has the support column, there is sliding support seat along direction of height slidable mounting on the support column, the first lead screw that slides is installed along the direction of height on the support column is inside, sliding support seat with the cooperation of first lead screw that slides is connected, sliding support seat keeps away from the tip fixed mounting of support column one side has first centrum to press from both sides, sliding support seat is last to have the second centrum to press from both sides along horizontal direction slidable mounting, and the device presss from both sides and mutually supports with the second centrum of slidable mounting on sliding support seat through fixed mounting's first centrum and presss from both sides and carry out the experiment that leads of animal backbone, and then explores the influence of tractive backbone to spinal cord conduction function to sliding support seat can follow the support column and carry out height adjustment to the adaptation leads a experiment to the animal of different sizes.

Description

Novel forceps holder spine traction device

Technical Field

The utility model belongs to the technical field of the spinal column experiment technique of tractive and struts and specifically relates to a novel forceps holder spinal column tractive is opened device is related to.

Background

Spinal cord stretch injuries, which are commonly seen in spinal trauma or iatrogenic injuries in spinal orthopedics, are serious complications. Therefore, spinal cord distraction injury caused by over distraction of the spinal column in orthopedic surgery has attracted wide attention of scholars, and how to protect spinal cord tissues, effectively relieve the disability after injury and promote the functional reconstruction of injured spinal cord is one of the important directions of domestic and foreign research.

The injury of the spinal cord and the secondary physiological and physiological reactions thereof can directly cause the damage of the nerve function, cause the dysfunction of tissues and organs and have very high disability rate. One of the problems in the research is how to establish a device for simulating spinal column stretch to truly simulate the actual spinal column injury condition, and the device can be well applied to the research of treatment after spinal cord injury. Thus. In order to better research the specific damage mechanism of the distraction spinal cord injury and further discover a therapeutic drug with therapeutic potential, the problem of animal experimental modeling by applying the spinal distraction device with reliable structure is solved firstly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel forceps holder backbone draws a device draws a experiment to the animal backbone, simulates the human backbone damage condition.

The utility model provides a novel forceps holder backbone leads a device, the on-line screen storage device comprises a base, base top fixed mounting has the support column, there is the slip supporting seat along direction of height slidable mounting on the support column, the inside direction of height that follows of support column installs first lead screw that slides, the top of support column is equipped with and is used for locking the locking device of first lead screw that slides, the slip supporting seat with the cooperation of first lead screw that slides is connected, the slip supporting seat is kept away from the tip fixed mounting of support column one side has first centrum to press from both sides, there is the second centrum to press from both sides along horizontal direction slidable mounting on the slip supporting seat.

Furthermore, first centrum presss from both sides with the second centrum presss from both sides the exact same, first centrum press from both sides with the second centrum presss from both sides all including the connecting seat, the bottom mounting of connecting seat has first clamping part, it has second clamping part to articulate on the first clamping part, be close to on the first clamping part one side of second clamping part is equipped with the rebound board, the rebound board is kept away from the top surface of first clamping part one end with second clamping part butt, it is provided with rather than the lower depression bar of closing soon to run through along the direction of height on the connecting seat, the depression bar is located directly over the second clamping part.

Furthermore, the rebound plate is of a circular arc structure.

Furthermore, the top end of the lower pressure rod is fixedly connected with a knob.

Furthermore, a second sliding screw rod is rotatably installed inside the sliding support seat along the horizontal direction, a first bevel gear is fixedly installed at one end, away from the first cone clamp, of the second sliding screw rod, a regulating rod is rotatably installed at one end, away from the first cone clamp, of the sliding support seat, a second bevel gear meshed with the first bevel gear is arranged at the bottom end of the regulating rod, a sliding block connected with the second sliding screw rod in a matched mode is installed on the second sliding screw rod, and a connecting seat on the second cone clamp is fixedly connected with the sliding block.

Furthermore, the inside horizontal direction of following of sliding support seat rotates installs the second lead screw that slides, the second lead screw that slides is kept away from the one end fixed mounting that first centrum pressed from both sides has the turbine, sliding support seat keeps away from the one end of first centrum clamp is rotated and is installed the regulation pole, the bottom of adjusting the pole be equipped with turbine meshing's worm.

Furthermore, the adjusting rod is rotatably connected with the sliding support seat through a one-way bearing, and a return spring is sleeved between the second bevel gear and the one-way bearing on the adjusting rod.

Furthermore, the sliding support seat is provided with indication scales along the length direction.

Furthermore, the locking device comprises a ratchet wheel and a ratchet tooth, the ratchet wheel is installed at the top end of the first sliding screw rod, the ratchet tooth is rotatably installed at the top end of the supporting column, a torsion spring is connected between the bottom end of the ratchet tooth and the top end of the supporting column, and a torsion rod is fixedly connected to the top end of the ratchet tooth.

Furthermore, a motor is installed on the top end of the supporting column, and an output shaft of the motor is fixedly connected with the first sliding screw rod through a coupler.

The technical scheme of the utility model a novel forceps holder backbone leads and opens device, the device press from both sides through fixed mounting's first centrum and mutually supports with the second centrum clamp of slidable mounting on sliding support seat and carry the animal backbone and lead and open the experiment, and then probe into the influence of tractive backbone to spinal cord conduction function to sliding support seat can follow the support column and carry out height control, and the experiment is led and opened to the adaptation to the animal of different size of body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is an enlarged view of the structure of the present invention at A in FIG. 1;

FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the overall structure of the first vertebral body clamp and the second vertebral body clamp of the present invention.

Description of reference numerals: 1-base, 2-support column, 3-first sliding screw rod, 4-sliding support seat, 5-second sliding screw rod, 6-first cone clamp, 7-second cone clamp, 8-adjusting rod, 9-ratchet wheel, 10-ratchet, 11-first bevel gear, 12-second bevel gear, 13-reset spring, 14-connecting seat, 15-lower pressure rod, 16-first clamping component, 17-second clamping component, 18-rebound plate, 19-torsion rod and 20-sliding block.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that 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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-4, a novel forceps holder spine stretching device, includes base 1, and 1 top fixed mounting of base has support column 2, and it has sliding support seat 4, specific to follow direction of height slidable mounting on support column 2: a first sliding screw rod 3 is arranged in the supporting column 2 along the height direction, a sliding supporting seat 4 is connected with the first sliding screw rod 3 in a matching way, and the sliding supporting seat 4 is lifted or lowered by rotating the first sliding screw rod 3; carry out the rigidity to sliding support seat 4 in order to guarantee, prevent sliding support seat 4 promptly and lead to first lead screw 3 that slides to rotate under the action of gravity, be equipped with the locking device who is used for locking first lead screw 3 that slides on the top of support column 2, it is specific: the locking device comprises a ratchet wheel 9 and a ratchet 10, the ratchet wheel 9 is arranged at the top end of the first sliding screw rod 3, the axis of the ratchet wheel 9 is overlapped with the axis of the first sliding screw rod 3, the ratchet 10 is rotatably arranged at the top end of the supporting column 2, a torsion spring (not shown in the drawing) is connected between the bottom end of the ratchet 10 and the top end of the supporting column 2, the ratchet wheel 9 and the ratchet 10 are always in a meshing state through the torsion spring, the first sliding screw rod 3 can only drive the sliding supporting seat 4 to ascend under the meshing action of the ratchet wheel 9 and the ratchet 10, and the ratchet 10 is clamped by the ratchet 10 under the action of the torsion spring after the first sliding screw rod 3 stops rotating, so that the first sliding screw rod 3 is prevented from reversing, and the sliding supporting seat 4 is prevented from automatically falling; the top end of the ratchet 10 is fixedly connected with a torsion rod 19, when the position of the sliding support seat 4 needs to be adjusted downwards, the torsion rod 19 is rotated to enable the ratchet 10 to be separated from the ratchet wheel 9, the first sliding screw rod 3 can be controlled to rotate reversely, and then the sliding support seat 4 is enabled to descend.

A first vertebral body clamp 6 is fixedly arranged at the end part of one side of the sliding support seat 4 far away from the support column 2, a second vertebral body clamp 7 is arranged on the sliding support seat 4 in a sliding manner along the horizontal direction, the first vertebral body clamp 6 is completely the same as the second vertebral body clamp 7, the first vertebral body clamp 6 and the second vertebral body clamp 7 both comprise a connecting seat 14, a first clamping part 16 is fixed at the bottom end of the connecting seat 14, a second clamping part 17 is hinged on the first clamping part 16, a rebound plate 18 with a circular arc structure is arranged at one side of the first clamping part 16 close to the second clamping part 17, the top surface of one end of the rebound plate 18 far away from the first clamping part 16 is abutted against the second clamping part 17, and a lower press rod 15 which is connected with the connecting seat 14 in a screwing manner is arranged on the connecting seat along the height direction, the lower press rod 15 is located right above the second clamping part 17, the top end of the lower press rod 15 is fixedly connected with a knob, the knob is screwed to enable the lower press rod 15 to move downwards under the meshing effect of the lower press rod 15 and the connecting seat 14, the bottom surface of the lower press rod 15 is abutted to the top end of the second clamping part 17, the first clamping part 16 rotates along the second clamping part 17, the animal spine is clamped through the first clamping part 16 and the second clamping part 17, the second vertebral clamp 7 is far away from the first vertebral clamp 6 through sliding to complete stretching action on the animal spine, the knob on the lower press rod 15 rotates reversely after use is completed, the lower press rod 15 moves upwards, the second clamping part 17 rotates along the first clamping part 16 under the effect of the rebound plate 18, and loosening on the animal spine is completed.

A second sliding screw rod 5 is rotatably installed in the sliding support seat 4 along the horizontal direction, a sliding block 20 which is connected with the second sliding screw rod 5 in a matched mode is installed on the second sliding screw rod 5, and a connecting seat 14 on the second vertebral body clamp 7 is fixedly connected with the sliding block 20. The second sliding screw rod 5 rotates to drive the sliding block 20 to move, so that the first cone clamp 6 and the second cone clamp 7 are close to or far away from each other, a first bevel gear 11 is fixedly arranged at one end, away from the first cone clamp 6, of the second sliding screw rod 5, an adjusting rod 8 is rotatably arranged at one end, away from the first cone clamp 6, of the sliding support seat 4, the axis of the adjusting rod 8 is perpendicular to the axis of the second sliding screw rod 5, a second bevel gear 12 meshed with the first bevel gear 11 is arranged at the bottom end of the adjusting rod 8, the adjusting rod 8 is screwed, the second sliding screw rod 5 rotates under the meshing action of the first bevel gear 11 and the second bevel gear 12, and the sliding block 20 is further moved.

In order to prevent the second vertebral body clamp 7 from sliding towards one side close to the first vertebral body clamp 6 due to the action of spinal traction force during a spinal traction experiment, the adjusting rod 8 is rotatably connected with the sliding support seat 4 through a one-way bearing in the device, a return spring 13 is sleeved between the second bevel gear 12 and the one-way bearing on the adjusting rod 8, when the first bevel gear 11 is meshed with the second bevel gear 12, the sliding block 20 can only slide towards one side far away from the first vertebral body clamp 6 by rotating the adjusting rod 8 due to the limitation of the one-way bearing, and the reverse sliding is limited by the one-way bearing; if the sliding block 20 needs to be reset after the experiment is finished, the adjusting rod 8 only needs to be pulled upwards, the second bevel gear 12 is far away from the first bevel gear 11, the sliding block and the first bevel gear 11 are not meshed any more, the second cone clamp 7 is manually pushed, the sliding block 20 moves towards one side close to the first cone clamp 6 along the second sliding screw rod 5, the second sliding screw rod 5 automatically rotates in the reverse direction, the adjusting rod 8 is loosened after the second cone clamp 7 is reset, and the second bevel gear 12 is meshed with the first bevel gear 11 again under the action of the reset spring 13.

Be equipped with the instruction scale along its length direction on the sliding support seat 4, judge the sliding distance of second centrum clamp 7 through instructing the scale, play the indicative function, make experimental data more accurate.

Example 2

Compared with embodiment 1, the present embodiment is technically characterized in that: the inside horizontal direction of following of slide support seat 4 rotates installs the second lead screw 5 that slides, the second lead screw 5 that slides keeps away from first centrum and presss from both sides the one end fixed mounting who 6 has the turbine, slide support seat 4 keeps away from first centrum and presss from both sides the one end rotation of 6 and installs regulation pole 8, the bottom of adjusting pole 8 is equipped with the worm with the turbine meshing, through rotating regulation pole 8, make the second lead screw 5 that slides rotate under the meshing effect of turbine and worm, all the other technical characteristics of this embodiment are the same with embodiment 1's is complete, no longer describe herein.

Example 3

Compared with embodiment 1, the present embodiment is technically characterized in that: the motor is installed on the top of support column 2, and the output shaft of motor passes through shaft coupling fixed connection with first lead screw 3 that slides, controls the ascending or descending of sliding support seat 4 through the corotation of control motor or upset, need rotate ratchet 10 through torsion bar 19 when sliding support seat 4 descends and leave ratchet 9, control motor antiport, and then make first lead screw 3 that slides drive sliding support seat 4 and descend.

The working principle is as follows:

firstly, according to the size of an animal body, the height of a sliding support seat 4 is adjusted, a first sliding screw rod 3 is rotated, the sliding support seat 4 is lifted to a fixed position, a knob on a first vertebral body clamp 6 is rotated, a lower pressure rod 15 presses a second clamping part 17, the second clamping part 17 rotates along a hinged part with a first clamping part 16, the spine of the animal is clamped through the first clamping part 16 and the second clamping part 17, the second vertebral body clamp 7 has the same working principle with the first vertebral body clamp 6, the description is omitted here, after the spine of the animal is clamped by the first vertebral body clamp 6 and the second vertebral body clamp 7 at the same time, an adjusting rod 8 is rotated to rotate the second sliding screw rod 5, and then a sliding block 20 drives the second vertebral body clamp 7 to be far away from the first vertebral body clamp 6, and therefore the traction and extension action on the spine of the animal is completed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a novel forceps holder backbone leads a device, a serial communication port, the on-line screen storage device comprises a base, base top fixed mounting has the support column, there is sliding support seat along direction of height slidable mounting on the support column, the inside direction of height that follows of support column installs first lead screw that slides, the top of support column is equipped with and is used for locking the locking device of first lead screw that slides, sliding support seat with the cooperation of first lead screw that slides is connected, sliding support seat keeps away from the tip fixed mounting of support column one side has first centrum to press from both sides, sliding support seat is last to have the second centrum to press from both sides along horizontal direction slidable mounting.

2. The novel forceps holder spinal column traction device according to claim 1, wherein the first vertebral body clip is identical to the second vertebral body clip, the first vertebral body clip and the second vertebral body clip each comprise a connecting seat, a first clamping part is fixed at the bottom end of the connecting seat, a second clamping part is hinged to the first clamping part, a rebound plate is arranged on one side, close to the second clamping part, of the first clamping part, the top surface, far away from one end of the first clamping part, of the rebound plate is abutted to the second clamping part, a lower pressing rod connected with the connecting seat in a screwing mode penetrates through the connecting seat in the height direction, and the lower pressing rod is located right above the second clamping part.

3. The novel jaw spine distraction device according to claim 2, wherein the resilient plate is of a circular arc configuration.

4. The novel jaw spine distraction device according to claim 2, wherein a knob is fixedly connected to the top end of the lower compression bar.

5. The novel forceps holder spinal column distraction device according to claim 2, wherein a second sliding screw rod is rotatably installed inside the sliding support seat along the horizontal direction, a first bevel gear is fixedly installed at one end, away from the first vertebral body clamp, of the second sliding screw rod, an adjusting rod is rotatably installed at one end, away from the first vertebral body clamp, of the sliding support seat, a second bevel gear meshed with the first bevel gear is arranged at the bottom end of the adjusting rod, a sliding block connected with the second sliding screw rod in a matched mode is installed on the second sliding screw rod, and a connecting seat on the second vertebral body clamp is fixedly connected with the sliding block.

6. The novel forceps holder spine distraction device according to claim 2, wherein a second sliding screw rod is rotatably mounted inside the sliding support seat along a horizontal direction, a turbine is fixedly mounted at one end of the second sliding screw rod, which is far away from the first vertebral body clamp, an adjusting rod is rotatably mounted at one end of the sliding support seat, which is far away from the first vertebral body clamp, and a worm meshed with the turbine is arranged at the bottom end of the adjusting rod.

7. The novel forceps holder spine distraction device according to claim 5, wherein the adjusting rod is rotatably connected with the sliding support seat through a one-way bearing, and a return spring is sleeved on the adjusting rod between the second bevel gear and the one-way bearing.

8. The novel forceps holder spine distraction device according to claim 1, wherein the slide support base is provided with indication scales along the length direction thereof.

9. The novel jaw spinal distraction device according to claim 1, wherein the locking device comprises a ratchet wheel and a ratchet, the ratchet wheel is mounted at the top end of the first slippage screw rod, the ratchet is rotatably mounted at the top end of the support column, a torsion spring is connected between the bottom end of the ratchet and the top end of the support column, and a torsion rod is fixedly connected at the top end of the ratchet.

10. The novel forceps holder spine distraction device according to claim 1, wherein a motor is mounted at the top end of the support column, and an output shaft of the motor is fixedly connected with the first slippage screw rod through a coupler.

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