CN219049032U

CN219049032U - Traction headstock

Info

Publication number: CN219049032U
Application number: CN202222325763.6U
Authority: CN
Inventors: 孔德敬; 孙久伟; 郝枰; 李伊朗
Original assignee: Shandong Weigao Orthopedic Materials Co Ltd
Current assignee: Shandong Weigao Orthopedic Materials Co Ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-05-23
Anticipated expiration: 2032-09-02

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to a traction headstock, which comprises a fixed cross beam, wherein one end of a double-joint swing arm is rotationally connected to the fixed cross beam, the other end of the double-joint swing arm is connected with a first locking handle, the lower end of a sliding rail frame is connected between the other end of the double-joint swing arm and the first locking handle, the sliding rail frame comprises a base at the lower end and a track connected to the base, the other end of the track is connected with a traction arm, the tracks at two sides are arranged in parallel, the upper end of the sliding rail frame is connected with sliding blocks arranged at two ends of a traction bow through the tracks, the sliding blocks are matched with the tracks, a first T-shaped handle is connected with the traction frame through a screw rod, and a force indicator is arranged at one end of the screw rod far from the first T-shaped handle, so that head fixation, skull stabilization, quantitative and distance traction can be simultaneously met in atlas dislocation.

Description

Traction headstock

Technical Field

The utility model belongs to the technical field of medical appliances, and particularly relates to a traction headstock.

Background

The atlantoaxial dislocation or atlantoaxial dislocation refers to the condition that the joints between the first section (atlas) and the second section (axis) of the cervical vertebra lose normal involution relationship, the atlantoaxial dislocation is a serious disease, and because of the atlantoaxial dislocation and the axis dislocation, the atlantoaxial dislocation can press the upper cervical marrow, a patient can suddenly generate hard paralysis due to the light injury of the head and neck or the excessive flexion and extension of the cervical vertebra, the medullary canal and the upper cervical spine are pressed, the serious patient can be dead due to paralysis of limbs, even respiratory failure and even paralysis of respiratory muscle, and the aim of operation treatment is to decompress, relieve the compression of the medullary spinal canal and restore the stability of the craniocervical boundary area for stabilizing the illness state. The common appliance is a skull traction bow, the existing skull traction bow is inconvenient to adjust, is inconvenient to store and store after being used, and can be loosened in the traction process.

At present, for the treatment of atlantoaxial dislocation, a posterior fixation fusion technique is often adopted in clinic, in the operation process of patients with difficult atlantoaxial dislocation, on one hand, continuous head traction is carried out on the skull, which is beneficial to resetting of the atlantoaxial joint, and meanwhile, anatomical marks are helped to be exposed, so that the operation difficulty is relatively reduced, and on the other hand, the fixation of the head in the operation process can maintain the stability of the atlantoaxial, so as to prevent the spinal cord from being damaged in the operation.

However, there is no prior art that can be used in atlantoaxial dislocation surgery to simultaneously address head fixation and skull stabilization, quantification, and distance traction.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a traction headstock, has the advantages of simple structure and convenient use, and solves the problems mentioned in the background art.

The utility model provides the following technical scheme: the traction headstock comprises a fixed cross beam, one end of a double-joint swing arm is rotationally connected to the fixed cross beam, the other end of the double-joint swing arm is connected with a first locking handle, the other end of the double-joint swing arm and the lower end of a sliding rail frame are connected between the first locking handle, the three parts are coaxially arranged, the sliding rail frame comprises a base at the lower end and a track connected to the base through the upper end and the position of locking, the track is mutually perpendicular to the joint of the base, the other end of the track is connected with a traction arm, the tracks on two sides are arranged in parallel, the traction arm is connected with tracks in a clamping mode, the upper end of the sliding rail frame is connected with sliding blocks arranged at two ends of a traction bow through tracks, the sliding blocks are matched with the tracks, a first T-shaped handle is connected with the traction frame through a screw rod, and one end of the screw rod, which is far away from the first T-shaped handle, is provided with a force indicator.

The traction frame is symmetrical along two ends of the screw rod, connecting sleeves are arranged at two ends of the traction bow, racks are inserted from the outer side openings of the connecting sleeves, and the sliding blocks are located at one ends, far away from the racks, of the connecting sleeves.

The two sliding blocks on the same side of the traction bow are arranged up and down symmetrically along the connecting sleeve, one end of the rack penetrates through the connecting sleeve and is connected with the center of the annular connecting rod, and fixing sleeves are arranged at two ends of the annular connecting rod.

The fixed sleeve is sleeved on the outer side of the force indicator I and used for fixing the force indicator I, and the inner side of the force indicator I is connected with a fixed needle.

The cylinder wall of the connecting sleeve is provided with a key groove on the surface corresponding to the teeth on the rack, a key is hinged in the key groove, a ratchet is arranged on the lower surface of one end of the key, the ratchet is clamped into the teeth on the rack, the distance between the annular connecting rod and the action part of a human body is adjusted through the position of the ratchet on the rack, and then the distance between the fixed needle and the action part of the human body is adjusted.

The utility model discloses a track, including the track, the track is equipped with the base, be equipped with the spirit level on the track, be used for adjusting the track angle to the level, the track the base with the track is equipped with the bracing piece of slant, increases the base with track connection's steadiness.

The fixed cross beam comprises a cross beam, a support is symmetrically arranged on the cross beam, the cross beam is connected with the support in an anti-rotation mode, the cross beam is locked and fixed with the support through a second locking handle, the other end of the support is connected with a fixed supporting leg, and the fixed supporting leg is perpendicular to the cross beam.

The double-joint swing arm comprises a hoop with the lower end sleeved on the cross beam, the upper end face of an opening of the hoop is connected with a swing arm I, the swing arm I is connected with a connecting shaft through a third locking handle, an inner pull rod through hole corresponding up and down is arranged at the opening end of the hoop, the inner pull rod penetrates through the inner pull rod through hole and continues to extend in an inner cavity of the swing arm I, the double-joint swing arm is connected with the third locking handle and used for controlling the swing arm I to rotate around the cross beam 360-degree circumference under the action of the hoop, and the angle of the proper position of the cross beam of the swing arm I is adjusted to be locked by the third locking handle.

The first locking handle comprises a second T-shaped handle and a spanner rod II, and a small gear ring is arranged between the upper end of the connecting shaft and the first locking handle.

The first T-shaped handle is provided with a silica gel handle, and the silica gel handle is connected with the first T-shaped handle jacket through a core rod.

Compared with the prior art, the utility model has the following beneficial effects:

1) Can be used in atlantoaxial dislocation operation to simultaneously meet the requirements of head fixation, skull stabilization, quantification and distance traction;

2) The four-nail fixed skull can display the fixed force value in real time, so that the fixation safety is ensured;

3) The traction exchange between the prone position and the supine position of the patient can be easily completed within a few seconds;

4) Can ensure the reset effect of atlantoaxial during operation, and simultaneously reduce the difficulty of nail fusion in posterior operation and the risk of eyeball compression blindness.

Drawings

FIG. 1 is a schematic view of the overall structure of the traction head according to the present utility model of embodiment 1;

FIG. 2 is a schematic view of a fixed cross member of a traction head according to embodiment 1;

FIG. 3 is a schematic diagram of a dual-joint swing arm structure of a traction head frame according to embodiment 1 of the present utility model;

FIG. 4 is a schematic view of a first locking handle of the traction head of embodiment 1;

FIG. 5 is a schematic view of a sliding rail frame structure of a traction head frame according to the present utility model in embodiment 1;

FIG. 6 is a schematic drawing of a traction frame structure of a traction frame according to the present utility model in embodiment 1;

FIG. 7 is a schematic view of the structure of a force indicator I of the traction headstock of the present utility model according to the embodiment 1;

FIG. 8 is a schematic view of the structure of a fixed needle of the traction head according to the present utility model of embodiment 1;

fig. 9 is a schematic view of a first T-handle structure of the traction head according to embodiment 1.

In the figure: 1. fixing the cross beam; 2. double-joint swing arms; 3. a first locking handle; 4. a slide rail frame; 5. A traction frame; 6. a force indicator I; 7. Fixing the needle; 8. a first T-shaped handle;

1.1, fixing the supporting leg; 1.2 a stent; 1.3, a cross beam; 1.4, a second locking handle; 1.5, limiting sliding blocks; 1.6, limiting sliding grooves;

2.1, small gear ring; 2.2, a connecting rod shaft; 2.3, swing arm I; 2.4, a third locking handle; 2.5, connecting rod I; 2.6, connecting rod II; 2.7, an inner pull rod; 2.8, a back-proof nut; 2.9, hoops;

3.1, a second T-shaped handle; 3.2, spanner bar II;

4.1, a base; 4.2 track; 4.3, supporting rods; 4.4, a pulling arm; 4.5, a level gauge;

5.1, a sliding block, 5.2 and a rack; 5.3, traction bow; 5.4, an annular connecting rod; 5.5, a force indicator; 5.6, pulling the block; 5.7, a screw rod; 5.8, connecting the sleeve; 5.9, fixing the sleeve;

6.1, a force indicating rod; 6.2, a force indicator I jacket; 6.3, plugging;

7.1, fixing the needle; 7.2, rubber rings;

8.1 a first T-shaped handle sleeve; 8.2, core bar; 8.3, a silica gel handle;

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific example 1: referring to fig. 1-9, as shown in fig. 1, the traction headstock comprises a fixed cross beam 1, one end of a double-joint swing arm 2 is rotatably connected to the fixed cross beam 1, the other end of the double-joint swing arm 2 is connected with a first locking handle 3, the other end of the double-joint swing arm 2 and the lower end of a sliding rail frame 4 is connected between the first locking handle 3, the three parts are coaxially arranged, the sliding rail frame 4 comprises a base 4.1 at the lower end and a track 4.2 connected to the base, the connection positions of the track 4.2 and the base 4.1 are mutually perpendicular, the other end of the track 4.2 is connected with a traction arm 4.4, the tracks 4.2 at two sides are arranged in parallel, the traction arm 4.4 is clamped with the track 4.2, the upper end of the sliding rail frame 4 is connected with a sliding block 5.1 arranged at two ends of a traction bow 5.3 through the track 4.2, the sliding block 5.1 is matched with the track 4.2, a first T-shaped handle 8 is connected with a screw 5.7 through a screw 5.7, and a first screw 5.7 is provided with a screw 5.7.

The traction frame 5 is symmetrical along two ends of the screw rod 5.7, connecting sleeves 5.8 are arranged at two ends of the traction bow 5.3, the rack 5.2 is inserted from an outer opening of the connecting sleeve 5.8, and the slide 5.1 block is located at one end, far away from the rack 5.2, of the connecting sleeve 5.8.

The two sliding blocks 5.1 on the same side of the traction bow 5.3 are arranged up and down symmetrically along the connecting sleeve 5.8, one end of the rack 5.2 penetrates through the connecting sleeve 5.8 and is connected with the center of the annular connecting rod 5.4, and two ends of the annular connecting rod 5.4 are provided with fixing sleeves 5.9.

The fixed sleeve 5.9 is sleeved on the outer side of the force indicator I6 and is used for fixing the force indicator I6, and the inner side of the force indicator I6 is connected with the fixed needle 7.

The section of thick bamboo wall of connecting sleeve 5.8 with the face that the tooth on the rack 5.2 corresponds is opened has presses the keyway, the articulated button that is equipped with in the button inslot, the one end lower surface of button is equipped with the ratchet, the ratchet card is gone into the tooth on the rack 5.2, through the ratchet in the position on the tooth 5.2, adjust the distance of annular connecting rod 5.4 and human action position, and then adjust the distance of fixed needle 7 and human action position.

The sliding rail frame 4 is provided with a level meter 4.5 which is used for adjusting the angle of the sliding rail frame 4 until the angle is horizontal, the base 4.1 of the sliding rail frame 4 and the track 4.2 are provided with oblique supporting rods 4.3, and the connection stability of the base 4.1 and the track 4.2 is improved.

The fixed cross beam 1 comprises a cross beam 1.3, a support 1.2 is symmetrically arranged on the cross beam 1.3, the cross beam 1.3 is connected with the support 1.2 in an anti-rotation mode, in this embodiment, one side of the cross beam is provided with a limiting sliding groove 1.6 in an anti-rotation mode, a limiting sliding block 1.5 matched with the limiting sliding groove 1.6 is arranged in a connecting piece of the support 1.2 and the cross beam 1.3, and the support 1.2 is prevented from rotating around the cross beam 1.3 in the circumferential direction. The second locking handle 1.4 passes through the limit sliding block 1.5 and is abutted in the limit sliding groove 1.6 to achieve locking. More preferably in another embodiment, the two ends of the cross beam 1.3 and the limiting sliding groove 1.6 are internally provided with anti-falling screws, the limiting sliding block 1.5 is prevented from falling off from the limiting sliding groove 1.6, the cross beam 1.3 and the support 1.2 are locked and fixed through the second locking handle 1.4, the other end of the support 1.2 is connected with the fixed supporting leg 1.1, and the fixed supporting leg 1.1 and the cross beam 1.3 are vertically arranged.

The double-joint swing arm 2 comprises a hoop 2.9, the lower end of the hoop is sleeved on the cross beam 1.3, the upper end face of an opening of the hoop 2.9 is connected with a swing arm I2.3, the swing arm I2.3 is connected with a connecting shaft 2.2 through a third locking handle 2.4, an inner pull rod through hole corresponding to the opening end of the hoop 2.9 up and down is arranged, an inner pull rod 2.7 penetrates through the inner pull rod through hole and continues to extend in an inner cavity of the swing arm I2.3, and the inner pull rod is connected with the third locking handle 2.4 and used for controlling the swing arm I2.3 to rotate around the cross beam 1.3360 degrees circumferentially under the action of the hoop 2.9, and the swing arm I2.3 is used for controlling the locking of the cross beam 1.3 by the third locking handle 2.4 at a proper position angle. The third locking handle 2.4 comprises one end of a connecting rod I2.5 which is rotationally connected with the third locking handle 2.4, the other end of the connecting rod I2.5 is rotationally connected with a connecting rod II 2.6, the other end of the connecting rod II 2.6 is rotationally connected with the top end of an inner pull rod 2.7, the inner pull rod is controlled to move downwards or upwards in a swing arm I2.3 through opening or closing of the handle 2.4, and accordingly tightness or tightness of a hoop 2.9 is controlled, and the purpose of adjusting and locking the left and right positions of the double-joint swing arm 2 on the cross beam 1.3 is achieved. When the double-joint swing arm 2 is required to be adjusted in use, when the position of the cross beam 1.3 is adjusted, the third locking handle 2.4 is opened, the connecting rod I connected with the third locking handle 2.4 is driven, then the connecting rod II 2.6 connected with the connecting rod I2.5 is driven, the connecting rod II 2.6 enables the inner pull rod 2.7 to move downwards, the opening of the anchor ear becomes larger, the opening of the anchor ear 2.9 connected with the inner pull rod 2.7 is not in a tensioning state, at the moment, the anchor ear can move left and right along the cross beam 1.3, and when the connecting rod I is moved to a proper position, the third locking handle 2.4 is tensioned or closed.

The first locking handle 3 comprises a second T-shaped handle 3.1 and a spanner rod II 3.2, and a small gear ring 2.1 is arranged between the upper end of the connecting shaft 2.2 and the first locking handle 3.

The first T-shaped handle is provided with a silica gel handle 8.3, and the silica gel handle 8.3 is connected with a first T-shaped handle jacket 8.1 through a core rod 8.2.

The using method comprises the following steps:

1) Fixing the fixed support legs 1.1 in the sliding rail type traction headstock on an operation bed, and screwing the second locking handle 1.4 to firmly fix the cross beam 1.3;

2) The double-joint swing arm 2 is adjusted, so that the double-joint swing arm 2 is locked when the sliding rail frame 4 reaches the required operation height;

3) Tightening the first locking handle 3 so that the slide rail frame 4 is fixed to the double-joint swing arm 2 while adjusting the slide rail frame 4 to be horizontal by the level gauge 4.5;

4) After the fixing needles 7 and the force indicator I6 are arranged on the traction frame 5, the traction frame is fixed on the patient's skull after the patient's skull is placed at a position required by an operation, the four fixing needles 7 can display the strength of the fixing skull through the 4 force indicators I, and the four nails can display the fixing force value in real time, so that the fixing safety is ensured, and the operation risk is reduced; placing a traction frame 5 connected with the skull of the patient on the sliding rail frame 4;

5) Recording an initial scale value on the track 4.2, screwing the first T-shaped spanner 8 to realize horizontal traction on the skull of the patient, and displaying the traction force value in real time by the force indicator 5.5, so that the traction safety is ensured; the traction distance is judged by judging the change of the scale value on the track 4.2, so that the traction requirement of stability, quantification and distance in operation is met.

When the patient is in operation, the prone position and the supine position can be in traction exchange, because the traction frame 5 is connected to the skull of the patient, the traction frame 5 connected with the skull of the patient is placed on the sliding rail frame 4, when the prone position and the supine position are in traction exchange, the traction frame 5 on the skull of the patient is separated from the sliding rail frame 4, the body of the patient is in traction exchange between the prone position and the supine position, and after the traction frame 5 on the skull of the patient is exchanged, the traction frame 5 on the skull of the patient is placed on the sliding rail frame 4. Can easily complete the traction exchange between the prone position and the supine position of the patient within a few seconds.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Traction headstock, its characterized in that: including fixed crossbeam, the one end that rotates on the fixed crossbeam to be connected with the double-joint swing arm, the first locking handle is connected to the other end of double-joint swing arm, the other end of double-joint swing arm with connect the lower extreme of slide rail frame between the first locking handle, the slide rail frame include the lower extreme the base with the track of connecting on the base, the traction arm is connected to orbital other end, both sides track parallel arrangement, the upper end of slide rail frame is passed through the track is connected with the slider that traction bow both ends set up, the slider with track adaptation, first T type handle passes through the screw rod and is connected with the traction frame, the screw rod is kept away from the one end of first T type handle is equipped with the indicator.

2. The traction head as claimed in claim 1, wherein: the track with the base junction mutually perpendicular, traction frame is followed screw rod both ends symmetry, traction bow's both ends are equipped with the connecting sleeve, and the rack is followed the outside opening of connecting sleeve inserts, the slider is located the connecting sleeve keep away from the one end of rack.

3. The traction head as in claim 2 wherein: the two sliding blocks on the same side of the traction bow are arranged up and down symmetrically along the connecting sleeve, one end of the rack penetrates through the connecting sleeve and is connected with the center of the annular connecting rod, and fixing sleeves are arranged at two ends of the annular connecting rod.

4. A traction head as claimed in claim 3, wherein: the fixed sleeve is sleeved on the outer side of the force indicator I and used for fixing the force indicator I, and the inner side of the force indicator I is connected with a fixed needle.

5. The traction head as in claim 4 wherein: the wall of the connecting sleeve is provided with a key groove on the surface corresponding to the teeth on the rack, a key is hinged in the key groove, a ratchet is arranged on the lower surface of one end of the key, the ratchet is clamped into the teeth on the rack, and the distance between the annular connecting rod and the action part of a human body is adjusted through the position of the ratchet on the rack.

6. The traction head as in claim 5 wherein: the sliding rail frame is provided with a level gauge for adjusting the angle of the sliding rail frame, and the base of the sliding rail frame and the rail are provided with oblique supporting rods.

7. The traction head as in claim 6 wherein: the fixed cross beam comprises a cross beam, a support is symmetrically arranged on the cross beam, the cross beam is connected with the support in an anti-rotation mode, the cross beam is locked and fixed with the support through a second locking handle, the other end of the support is connected with a fixed supporting leg, and the fixed supporting leg is perpendicular to the cross beam.

8. The traction head as in claim 7 wherein: the double-joint swing arm comprises a hoop with the lower end sleeved on the cross beam, the upper end face of an opening of the hoop is connected with a swing arm I, the swing arm I is connected with a connecting shaft through a third locking handle, an inner pull rod through hole corresponding to the opening end of the hoop up and down is arranged at the opening end of the hoop, the inner pull rod penetrates through the inner pull rod through hole and continues to extend in an inner cavity of the swing arm I and is connected with the third locking handle, and the double-joint swing arm is used for controlling the swing arm I to rotate around the cross beam 360-degree circumference under the action of the hoop and adjusting the swing arm I to be locked by the third locking handle at a proper position angle of the cross beam.

9. The traction head as in claim 8 wherein: the first locking handle comprises a second T-shaped handle and a spanner rod II, and a small gear ring is arranged between the upper end of the connecting shaft and the first locking handle.

10. The traction head as in claim 9 wherein: the first T-shaped handle is provided with a silica gel handle, the silica gel handle is connected with a first T-shaped handle jacket through a core rod, and the traction arm is clamped with the track.