CN210228601U

CN210228601U - Fracture auxiliary reset mechanism

Info

Publication number: CN210228601U
Application number: CN201920487639.5U
Authority: CN
Inventors: Fabo Liu; 刘法波; Jianwen Chen; 陈建文
Original assignee: Weifang Yuding Biological Technology Co ltd
Current assignee: Weifang Yuding Biological Technology Co ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-04-03
Anticipated expiration: 2029-04-11

Abstract

The utility model discloses a fracture auxiliary reset mechanism, including near-end fixed bolster, near-end regulation solid fixed ring, adjust the pole, near-end regulation shifting ring, near-end fixed bolster one end is fixed in the operation table both sides, near-end regulation solid fixed ring both sides are equipped with the outside regulating arm that extends, near-end fixed bolster other end inlay card is on the regulating arm and with regulating arm swing joint, it is a plurality of to adjust the pole, the one end of adjusting the pole is connected with first universal shaft, the other end is connected with the second universal shaft, the stiff end of first universal shaft and near-end regulation solid fixed ring fixed connection, the second universal shaft can be dismantled with near-end regulation shifting ring and be connected; the utility model can realize the six-axis multi-angle adjustment of the position of the near-end adjusting moving ring, can adjust and fix the positions of the thighbone, and has the advantages of high efficiency, flexible adjustment, convenience and accuracy; the proximal adjusting moving ring has various diameters, is suitable for fixing the position under various conditions, and has strong universality.

Description

Fracture auxiliary reset mechanism

Technical Field

The utility model relates to a medical machinery makes technical design field, and more specifically says so and relates to a be used for supplementary canceling release mechanical system of fracture.

Background

Fractures are always present in all corners of life, and in the injury of fracture of long bones of limbs, the patient often has a state of short deformity and the like due to muscle traction after fracture, and is difficult to restore and effectively maintain during fixation. If the anatomical reduction can not be carried out during the operation, complications such as malformation healing and poor lower limb force line can occur after the operation. Complications such as lower limb poor force line and malformation healing after femoral fracture surgery can cause traumatic arthritis or osteoarthritis, and seriously affect the limb function and the life quality of patients.

In the prior art, the fracture fixation and reduction generally comprises two types, one type is internal fixation, the other type is external fixation, the internal fixation is provided with a steel plate, an intramedullary needle and the like, the steel plate internal fixation has great soft tissue injury, two operations are needed, the pain of a patient is great, the intramedullary needle is fixed to destroy the blood circulation of the medullary cavity, the anti-rotation and anti-bending forces are poor, the fracture reduction and healing are not facilitated, the external fixation is provided with a splint for fixation, plaster fixation, needle threading external fixation and the like, the splint is not firm enough, the bundling is more troublesome, the management is not easy, the blood circulation of the soft tissue is influenced, the caused complications are more, the plaster fixation is not firm, and the adjacent joint movement is.

In the prior art, the device has a patent number of 87210403.6, and mainly comprises a needle holding adjusting frame, a needle seat, a needle clamp, an angle adjusting plate, an adjusting arm and the like, the fixed repositor basically overcomes the defects of a single-arm fixed repositor and a ring-type fixed repositor, but still has the following problems of complex structure and high processing precision requirement, so the manufacturing cost is high; can only be used on long bones and can not be disassembled and assembled at will according to the state of illness, and the use of special parts is limited to a certain extent; the operation is complicated, the control is not easy, and professional training needs to be carried out on doctors; the volume is large and heavy, which affects the rest of the patient. The external fixator and the existing fracture reduction structure have the following defects: firstly, the fixed position is not convenient to adjust, and the fixed position can be realized by replacing mechanisms with different lengths and angles, so that the problem of universality cannot be realized; secondly, after fixation, the distal joint cannot be supported, so that single action is difficult to maintain, the fracture part is difficult to maintain, and the action of a fracture patient is not facilitated.

Therefore, how to design a reduction mechanism which is convenient to use, can effectively assist fracture reduction and is beneficial to patient recovery is a problem which needs to be innovated and solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a convenient to use can effectual supplementary fracture reset and be favorable to the recovered canceling release mechanical system of patient, its simple structure, convenient to use, but the regulating power is strong, and the practicality is higher.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a reduction gears is assisted to fracture, includes the near-end fixed bolster, and solid fixed ring is adjusted to the near-end, adjusts the pole, and the shift ring is adjusted to the near-end, near-end fixed bolster one end is fixed in the operation table both sides, the solid fixed ring both sides are adjusted to the near-end are equipped with the regulating arm of outside extension, near-end fixed bolster other end inlay card be in on the regulating arm and with regulating arm swing joint, it is a plurality of to adjust the pole, the one end of adjusting the pole is connected with first universal shaft, and the other end is connected with the second universal shaft, the stiff end of first universal shaft with solid fixed ring fixed connection is adjusted to the near-end, the second universal shaft.

The utility model discloses the shift ring is adjusted through first cardan shaft and a plurality of regulation pole connection to the near-end, can realize that the position of shift ring is adjusted to six multi-angle regulation near-end of near-end regulation shift ring, can adjust each position of thighbone fixed, have high efficiency, adjust nimble, convenient and accurate advantage, the utility model discloses a shift ring is adjusted to the near-end has each diameter, is applicable to the rigidity of various conditions, and the commonality is strong, and the angle and the orientation at fracture position are adjusted easily.

Further, the proximal end adjusting and fixing ring is any one of a circle, a square and a polygon, and a closed ring formed by the proximal end adjusting and fixing ring is enough to accommodate the root of the adult thigh.

Further, adjust the pole for stepping on the formula and adjust the telescopic link, it includes the outer tube to step on the formula and adjust the telescopic link, the outer tube be its one end of tubular structure with first universal shaft is articulated, it has the telescopic link to peg graft in the outer tube, the telescopic link is shaft-like structure, the telescopic link is parallel with the axial of outer tube, the tip of telescopic link be equipped with the mounting bracket and with the second universal shaft is articulated, the surface cover of telescopic link is equipped with the regulating tube, the surface of regulating tube is equipped with adjusts a section of thick bamboo, the surface of adjusting a section of thick bamboo is equipped with the regulation thread groove, the axial of outer tube is equipped with the inserting groove, it installs in the inserting groove to adjust a section of thick bamboo, the internal surface of outer tube is equipped with the internal thread, adjust the thread groove and match with the internal thread of outer tube internal.

The utility model adopts a plurality of adjusting rods to realize the multi-axis adjustment of the near-end adjusting moving ring,

furthermore, the shift ring is adjusted to the near-end is the ring form, the shift ring is adjusted to the near-end more than or equal to thighbone fracture position diameter, and its periphery is evenly fixed with a plurality of connecting pieces, the second cardan shaft with the connection can be dismantled.

Furthermore, the upper surface of the adjusting arm is provided with a plurality of grooves which are linearly arranged, the fixed support is provided with an elastic positioning bolt, and the elastic positioning bolt is connected with the grooves in an adaptive clamping manner.

The utility model discloses can adopt the elastic positioning to tie the position of adjusting near-end fixed bolster when using, can be applicable to multiple position, and controllability is strong, and the practicality is higher.

The device further comprises a far-end fixing device, wherein the far-end fixing device comprises a far-end fixing support, a far-end adjusting support and a far-end fixing circular arc;

the far-end fixing bracket, the far-end adjusting bracket and the far-end fixing arc are divided into two groups;

one end of each group of the far-end fixing supports is fixed on two sides of the operating bed and is far away from the near-end fixing supports, the other end of each group of the far-end fixing supports is connected with one end of each far-end adjusting support in a sliding mode, the other end of each far-end adjusting support is provided with a universal head, and the universal head is detachably connected with the far-end fixing circular arc;

the two groups of far-end fixing circular arcs are oppositely arranged to form a circular ring shape.

The utility model discloses a fixed adjustment is fixed to the distal end at fracture position to the fixed circular arc of distal end, is favorable to guaranteeing the accuracy that the fracture resets to can support fracture patient's fracture distal end in the later stage, prevent that the fracture from causing secondary damage because of removing.

The utility model provides a fixed circular arc internal surface can set up flexible object, prevents that fixed circular arc from causing the friction damage to the human body.

Furthermore, a plurality of positioning holes are formed in the vertical surface of the far-end fixing support, a positioning bolt is arranged at one end of the far-end adjusting support, and the positioning bolt penetrates through the positioning holes and is hinged to the far-end fixing support.

The utility model discloses when using, through to near-end fixed bolster, solid fixed ring is adjusted to the near-end, adjusts the pole, and the near-end is adjusted shift ring and distal end fixing device's six axial regulation of multi-angle, can make the fracture patient in comfortable position, and fixed fracture region, and the operation of being convenient for, the postoperative of being convenient for resumes, and each angle regulation ability is strong, and the practicality is high, and the adjustment is nimble accurate, is favorable to the regional recovery of later stage fracture.

According to the technical scheme, compare with prior art, the utility model discloses a reduction gears is assisted to fracture has following beneficial effect:

1. the utility model is different from the common traditional internal fixation and external fixation, realizes the multi-angle visual adjustment, has high adaptability, can fix and adjust the fracture area, and has accurate adjustment; the soft tissue injury is small, the fixation is firm, the fixed area is small and convenient to manage, and the movement of the adjacent joint is not influenced.

2. The utility model discloses a position and the connection form of each structure of rational design to set up distal end fixing device at corresponding structure, fixed back distal end joint can receive the support, can maintain single action for a long time, maintains the fracture position, does benefit to fracture patient recovered.

Drawings

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

Fig. 1 is a schematic view of the whole structure of the auxiliary reduction mechanism for fracture.

Fig. 2 is a schematic view of the structure of the adjusting rod in the auxiliary reduction mechanism for fracture.

Fig. 3 is a schematic view of the structure of the proximal end adjusting moving ring in the auxiliary reduction mechanism for fracture.

Fig. 4 is a schematic view of the connection structure of the adjusting arm and the fixing support in the auxiliary reduction mechanism for fracture.

Wherein, in the figure: 1 is near-end fixed bolster, 11 is the elastic locating bolt, 2 is near-end regulation fixed ring, 21 is the regulation arm, 211 is the recess, 3 is the regulation pole, 31 is the outer tube, 32 is the telescopic link, 33 is the regulation pipe, 34 is the regulation section of thick bamboo, 35 is the regulation thread groove, 37 is the inserting groove, 39 is the spliced eye, 4 is near-end regulation shift ring, 41 is the connecting piece, 5 is first universal shaft, 6 is the second universal shaft, 7 is the distal end fixed bolster, 71 is the locating hole, 8 is the distal end regulation support, 81 is universal head, 9 is the fixed circular arc of distal end.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in figure 1 the auxiliary reduction gears overall structure of the drawing schematic diagram, the embodiment of the utility model discloses an auxiliary reduction gears of fracture, including near-end fixed bolster 1, solid fixed ring 2 is adjusted to the near-end, adjust pole 3, the shift ring 4 is adjusted to the near-end, 1 one end of near-end fixed bolster is fixed in the operation table both sides, the solid fixed ring 2 both sides are adjusted to the near-end is equipped with outside extension's regulating arm 21, 1 other end inlay card of near-end fixed bolster is on regulating arm 21 and with regulating arm 21 swing joint, it is a plurality of to adjust pole 3, the one end of adjusting pole 3 is connected with first cardan shaft 5, the other end is connected with second cardan shaft 6, solid fixed ring 2 fixed connection is adjusted with the near-end to the stiff end of first cardan shaft 5.

The proximal end in this embodiment is adjusted the shift ring 4 and is connected with a plurality of regulation poles 3 through first cardan shaft 5, the position that the shift ring 4 was adjusted to the six multi-angle regulation proximal ends that can realize the proximal end and adjust shift ring 4, can adjust each position of thighbone fixedly, and is high efficiency, the adjustment is nimble, convenient and accurate advantage, there are each diameter in the shift ring is adjusted to the proximal end in this embodiment, be applicable to the rigidity of various conditions, and the commonality is strong, the angle and the easy adjustment of direction at fracture position.

In this embodiment, the proximal adjusting and fixing ring 2 is a regular hexagon, and the closed ring formed by the proximal adjusting and fixing ring 2 is sufficient to accommodate the root of the adult thigh.

In the embodiment, the adult stretches the fracture part into the near-end adjusting and fixing ring 2 to fix the fracture part, six-axis axial adjustment can be realized by adjusting the fixing ring 2, the adjustability is high, and accurate cutting and recovery of the fracture are facilitated.

In other embodiments, the proximal adjusting ring 2 may be any one of circular, square, and any polygonal shape.

As shown in the attached drawing of fig. 2, which is a schematic structural diagram of an adjusting rod 3 in the auxiliary reduction mechanism for fracture according to this embodiment, the adjusting rod 3 is a progressive adjusting telescopic rod, the progressive adjusting telescopic rod includes an outer tube 31, the outer tube 31 is a tubular structure, one end of the outer tube 31 is hinged to a first universal shaft 5, an extending rod 32 is inserted in the outer tube 31, the extending rod 32 is a rod-shaped structure, the extending rod 32 is parallel to the axial direction of the outer tube 31, an end of the extending rod 32 is provided with a mounting bracket and hinged to a second universal shaft 6, an adjusting tube 33 is sleeved on the outer surface of the extending rod 32, an adjusting cylinder 34 is arranged on the outer surface of the adjusting tube 33, an adjusting threaded groove 35 is arranged on the outer surface of the adjusting cylinder 34, an inserting groove 37 is arranged in the axial direction of the outer tube 31, the adjusting cylinder 34 is installed in the inserting groove, the telescopic rod 32 is inserted in the insertion hole 39, and the adjusting tube 33 and the adjusting cylinder 34 are of an integral structure.

In other embodiments, the adjusting rod 3 is a hydraulic adjusting telescopic rod, and the hydraulic adjusting telescopic rod is matched with a servo motor to accurately control the telescopic distance of the hydraulic adjusting telescopic rod.

In this embodiment, the proximal adjusting moving ring 4 is circular, the diameter of the proximal adjusting moving ring 4 is greater than or equal to the diameter of the fractured position of the femur, a plurality of connecting pieces 41 are uniformly fixed around the proximal adjusting moving ring 4, and the second universal shaft 32 is detachably connected to the connecting pieces 41.

In this embodiment, the upper surface of the adjusting arm 21 is provided with a plurality of grooves 211 arranged linearly, the fixing bracket 1 is provided with an elastic positioning bolt 11, and the elastic positioning bolt 11 is in adaptive clamping connection with the grooves 211.

In this embodiment, the device further comprises a distal fixing device, and the distal fixing device comprises a distal fixing bracket 7, a distal adjusting bracket 8 and a distal fixing arc 9.

The far-end fixing bracket 7, the far-end adjusting bracket 8 and the far-end fixing arc 9 are divided into two groups;

one end of each group of the far-end fixing supports 7 is fixed on two sides of the operating bed and is far away from the near-end fixing support 1, the other end of each group of the far-end fixing supports 7 is connected with one end of a far-end adjusting support 8 in a sliding mode, the other end of each group of the far-end adjusting supports 8 is provided with a universal head 81, and the universal heads 81 are detachably connected with a far-end fixing circular arc 9;

the embodiment fixes and adjusts the far end of the fracture part through the far end fixing circular arc 9, which is beneficial to ensuring the accuracy of fracture reduction, and can support the fracture far end of the fracture patient in the later period, thereby preventing the fracture from causing secondary damage due to movement.

The two groups of far-end fixing circular arcs 9 are oppositely arranged to form a circular ring shape.

In this embodiment, a plurality of positioning holes 71 are formed in the vertical surface of the distal end fixing bracket 7, and a positioning bolt is disposed at one end of the distal end adjusting bracket 8 and passes through the positioning holes 71 to be hinged to the distal end fixing bracket 7.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An auxiliary reduction mechanism for fracture is characterized by comprising a near-end fixing bracket (1), a near-end adjusting fixing ring (2), an adjusting rod (3) and a near-end adjusting moving ring (4), one end of the near-end fixing bracket (1) is fixed at two sides of the operating bed, adjusting arms (21) extending outwards are arranged at two sides of the near-end adjusting and fixing ring (2), the other end of the near-end fixing bracket (1) is embedded on the adjusting arm (21) and is movably connected with the adjusting arm (21), a plurality of adjusting rods (3) are arranged, one end of each adjusting rod (3) is connected with a first universal shaft (5), the other end of each adjusting rod is connected with a second universal shaft (6), the fixed end of the first universal shaft (5) is fixedly connected with the near end adjusting and fixing ring (2), the second universal shaft (6) is detachably connected with the near-end adjusting moving ring (4).

2. A fracture-assisted reduction mechanism according to claim 1, wherein the proximal adjustment fixing ring (2) is any one of circular, square and polygonal, and the proximal adjustment fixing ring (2) forms a closed loop to accommodate the root of adult thigh.

3. The auxiliary reduction mechanism for fracture according to claim 1, wherein the adjusting rod (3) is a progressive adjusting telescopic rod, the progressive adjusting telescopic rod comprises an outer tube (31), the outer tube (31) is a tubular structure, one end of the outer tube (31) is hinged to the first universal shaft (5), a telescopic rod (32) is inserted into the outer tube (31), the telescopic rod (32) is a rod-shaped structure, the telescopic rod (32) is axially parallel to the outer tube (31), the end of the telescopic rod (32) is provided with a mounting rack and is hinged to the second universal shaft (6), the outer surface of the telescopic rod (32) is sleeved with an adjusting tube (33), the outer surface of the adjusting tube (33) is provided with an adjusting cylinder (34), the outer surface of the adjusting cylinder (34) is provided with an adjusting threaded groove (35), the outer tube (31) is axially provided with an inserting groove (37), the inserting adjusting cylinder (34) is installed in the inserting groove (37), the internal surface of outer tube (31) is equipped with the internal thread, adjusts thread groove (35) and matches with the internal thread of outer tube (31) internal surface, and the axial of adjusting a section of thick bamboo (34) is equipped with spliced eye (39), and telescopic link (32) are pegged graft in spliced eye (39) position, adjusts pipe (33) and adjusts a section of thick bamboo (34) structure as an organic whole.

4. The auxiliary reduction mechanism for fracture according to claim 3, wherein the proximal adjusting and moving ring (4) is circular ring-shaped, the diameter of the proximal adjusting and moving ring (4) is larger than or equal to the diameter of the fracture position of femur, a plurality of connectors (41) are uniformly fixed on the periphery of the proximal adjusting and moving ring, and the second universal shaft (6) is detachably connected with the connectors (41).

5. The auxiliary reduction mechanism for fracture according to claim 4, wherein the upper surface of the adjusting arm (21) is provided with a plurality of grooves (211) which are arranged linearly, the fixing bracket (1) is provided with an elastic positioning bolt (11), and the elastic positioning bolt (11) is in fit clamping connection with the grooves (211).

6. A fracture-assisted reduction mechanism according to any one of claims 1 to 5, further comprising a distal fixation means comprising a distal fixation bracket (7), a distal adjustment bracket (8) and a distal fixation arc (9);

the far-end fixing supports (7), the far-end adjusting supports (8) and the far-end fixing arcs (9) are divided into two groups;

one end of each group of the far-end fixing supports (7) is fixed on two sides of the operating bed and is far away from the near-end fixing support (1), the other end of each group of the far-end fixing supports (7) is connected with one end of the far-end adjusting support (8) in a sliding mode, the other end of each group of the far-end fixing supports (7) is provided with a universal head (81), and the universal head (81) is detachably connected with the far-end fixing circular arc (9);

the two groups of far-end fixing circular arcs (9) are oppositely arranged to form a circular ring shape.

7. A fracture auxiliary reduction mechanism according to claim 6, wherein a plurality of positioning holes (71) are provided on the vertical surface of the distal fixing support (7), and a positioning bolt is provided at one end of the distal adjusting support (8), and the positioning bolt passes through the positioning holes (71) to hinge with the distal fixing support (7).