CN208756124U - A kind of hinge type head pelvic ring - Google Patents

Abstract

The utility model discloses a kind of hinge type head pelvic rings, including connecting bar assembly, the upper end of connection bar assembly is connected with head ring assemblies, the lower end of connection bar assembly is connected with pelvis ring assemblies, connecting bar assembly includes positive/negative thread stick, the both ends of positive/negative thread stick are respectively threaded with a locking frame body, locking frame body ball-joint has one end of ball rod, the ball rod other end is rotatably coupled one end of adjusting set, the other end of adjusting set has been rotatably coupled curved bar, head ring assemblies include head ring, pelvis ring assemblies include adjustable pelvic ring, pelvic ring includes mutually matched two semicircular rings, head ring passes through hanging hook assembly with pelvic ring and connects curved bar, hanging hook assembly includes hook, hook and curved bar ball-joint.The adjusting that space any position may be implemented can be very good the shape for adapting to various patient back deformities, avoids the problem that artificial moulding irregularly and is easy rebound, can effectively shorten operating time, reduce operating difficulty, it is easier to promote.

Description

A kind of hinge type head pelvic ring

Technical field

The utility model relates to the field of medical instrument technology, it particularly relates to a kind of hinge type head pelvic ring.

Background technique

Adolescent idiopathic scoliosis is common deformity of spine, and lateral bending deformity degree is bigger, and trunk is unbalance, head is inclined From central axial line, the features such as both shoulders are contour, razor back, Thoracic sink are more obvious.Scoliosis is frequently not that simple backbone is curved Bent problem, thorax can also deform, and squeezing thorax can cause lung function reduction, lung capacity to reduce, and seriously affect important organ hair It educates, is often accompanied by cardio-pulmonary function decline and spinal nerve damage.It is greater than 90 ° of patient for the angle Cobe, implements head before epithesis Cranium -- pelvic ring traction can improve error-correcting effect, improve cardio-pulmonary function, increase operation safety.

Head pelvic ring tractor was initiated in 1984 by big second affiliated hospital professor Ma Jingkun of Shanxi medical courses in general, should from this Technology is received by whole nation colleague.But this technical operation is difficult, easy damaged pelvic cavity viscera and spinal nerve etc., complication is more.

Application No. is 201520337137.6 patents to disclose a kind of head pelvic ring, including pelvis ring assemblies, head Ring assemblies, extend pad assembly, harness cord bar assembly and thick steel needle at titanium matter bone screw.Harness cord bar assembly for head ring assemblies and The connection of pelvis ring assemblies.But that there are anti-rotation is poor when being connected using harness cord bar for above-mentioned patent；Shape is single cannot be fine Adapt to the special figure of patient, need artificial moulding in art；Secondly do not have for head ring and the specific structure design of pelvic ring Have clear.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Utility model content

For above-mentioned technical problem in the related technology, the utility model proposes a kind of hinge type head pelvic ring, operations It is convenient, it is easy to promote.

To realize the above-mentioned technical purpose, the technical solution of the utility model is achieved in that

The upper end of a kind of hinge type head pelvic ring, including connection bar assembly, the connection bar assembly is connected with head ring Component, it is described connection bar assembly lower end be connected with pelvis ring assemblies, the connection bar assembly includes positive/negative thread stick, it is described just The both ends of left-hand thread stick are respectively threaded with a locking frame body, and the locking frame body ball-joint has one end of ball rod, the ball The head rod other end is rotatably coupled one end of adjusting set, and the other end of the adjusting set has been rotatably coupled curved bar, described Head ring assemblies include head ring, and the pelvis ring assemblies include adjustable pelvic ring, and the pelvic ring includes phase interworking Two semicircular rings closed, the head ring pass through hanging hook assembly with pelvic ring and connect the curved bar, and the hanging hook assembly includes Hook, the hook and the curved bar ball-joint.

Further, 30-50 acclivitous threaded holes are provided on the head ring, the threaded hole is to updip Tiltedly, and the axis of the threaded hole intersects at same point, and the tail portion of the head ring is obliquely installed upwards, the tail portion Tilt angle is 30 ° -60 °.

Further, be provided with adjustment hole in two semicircular rings, and two semicircular rings by screw and Ball faced hexagonal nut fastening.

Further, it is female that it is provided with two first back on the curved bar, is provided with two ball nuts between the two first back mothers, It is provided with the first spheric washer between two ball nuts, wherein the extension is arranged between a ball nut and the first spheric washer Hook is provided with the through-hole matched with curved bar on the hook, and the through-hole is provided with close to one end of the ball nut and institute The sphere hole that ball nut matches is stated, the other end of the through-hole is provided with conical hole.

Further, described link up with is provided with and the first spheric washer phase close to the side of first spheric washer Corresponding anti-skid chequer.

Further, pass through tune between the head ring and the hook and between the pelvic ring and the hook Save screw fastening.

Further, the ball rod and curved bar are socketed with the adjusting set, and the ball rod and curved bar pass through the Two back are female to be fastened with the adjusting set.

Further, eccentric shaft is equipped on the locking frame body, the locking frame body is close to one end of the ball rod External screw-thread is connected with lock nut, and hole is opened up on the end face at the end, and fixed block is socketed in described hole, described Eccentric shaft described in the end thereof contacts of fixed block, the other end of the fixed block is provided with to be matched with the ball head of the ball rod Spherical surface.

Further, several needle clip assemblies are connected on the pelvic ring, the needle clip assembly includes the swing of inverted L-shaped Folder, described one end for swinging folder and nail seat are in close contact, and the nail seat is hung on the pelvic ring, and the swing folder, nail seat are equal It is fastened by screw and the pelvic ring, the other end for swinging folder is provided with V-type locking buckle and lower V-type locking buckle, institute It states and is provided with spring between V-type locking buckle and lower V-type locking buckle, the upper V-type locking buckle, lower V-type locking buckle pass through lock Tight screw and the swing clamp solid.

Further, between the swing folder and the nail seat and between swing folder and the lower V-type locking buckle It is provided with the anti-skidding flank of tooth.

The utility model has the beneficial effects that connection bar assembly has bulb universal structure at two, there is sphere hole at hook, it can To realize the adjusting of space any position, it can be very good the shape for adapting to various patient back deformities, avoid artificial moulding not The problem of rule and easy rebound, surgical procedure is convenient, can effectively shorten operating time, connects bar assembly in head ring, bone Basin ring has the regulatory function close to vertical direction, and there are also the regulatory functions of different location at three between head ring and pelvic ring can Space adjustment is realized, it can be achieved that local subtle adjustment, makes to draw work fining, head ring upper screwed hole passes through into nail angle After design, stable three-legged structure is formed, is able to maintain the uniform guarantee traction effect of stress in distraction procedure, on pelvic ring Needle clip assembly the fixation of nail clip space any position can be realized by the anti-skidding flank of tooth at two, facilitate surgical procedure, using this nail Clip assembly fixation can be easy to hurt the danger of internal organs to avoid pelvis puncturing operation bring, reduce operating difficulty, it is easier to It promotes.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the hinge type head pelvic ring according to the utility model embodiment；

Fig. 2 is the top view of the head ring assemblies according to the utility model embodiment；

Fig. 3 is the cross-sectional view of the hanging hook assembly according to the utility model embodiment；

Fig. 4 is the A of hanging hook assembly according to Fig.3, to structural schematic diagram；

Fig. 5 is the front view of the head ring according to the utility model embodiment；

Fig. 6 is the top view of the head ring according to the utility model embodiment；

Fig. 7 is the top view of the pelvis ring assemblies according to the utility model embodiment；

Fig. 8 is the B of pelvis ring assemblies according to figure 7 to cross-sectional view；

Fig. 9 is the top view of the swing folder according to the utility model embodiment；

Figure 10 is the structural schematic diagram of the connection bar assembly according to the utility model embodiment；

Figure 11 is the half sectional view of the adjusting set according to the utility model embodiment；

Figure 12 is the cross-sectional view that frame body is locked according to the utility model embodiment；

Figure 13 is the structural schematic diagram of the ball rod according to the utility model embodiment；

Figure 14 is the structural schematic diagram of the eccentric shaft according to the utility model embodiment.

In figure:

1, head ring assemblies；2, bar assembly is connected；3, pelvis ring assemblies；4, head ring；5, screw is adjusted；6, it links up with；7, Sphere hole；8, conical hole；9, anti-skid chequer；10, threaded hole；11, head ring tail portion；12, pelvic ring；13, screw；14, spherical surface six Angle nut；15, lock-screw；16, the second spheric washer；17, upper V-type locking buckle；18, lower V-type locking buckle；19, spring；20, Swing folder；21, nail seat；22, the anti-skidding flank of tooth；23, curved bar；24, the first back is female；25；Ball nut；26, the first spheric washer；27, Adjusting set；28, ball rod；29, lock nut；30, fixed block；31, eccentric shaft；32, frame body is locked；33, positive/negative thread stick； 34, the second back is female；35, it marks；36, peep hole；37, ball head.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to In the range of the utility model protection.

As represented in figures 1 through 14, a kind of hinge type head pelvic ring according to the utility model embodiment, including connection Bar assembly 2, the upper end of the connection bar assembly 2 are connected with head ring assemblies 1, and the lower end of the connection bar assembly 2 is connected with bone Basin ring assemblies 3, the connection bar assembly 2 include positive/negative thread stick 33, and the both ends of the positive/negative thread stick 33 are respectively threaded with One locking frame body 32, locking 32 flexural pivot of frame body are connected to one end of ball rod 28, and the other end of the ball rod 28 can be rotated Ground connects one end of adjusting set 27, and the other end of the adjusting set 27 has been rotatably coupled curved bar 23, the head ring assemblies 1 Including head ring 4, the pelvis ring assemblies 3 include adjustable pelvic ring 12, and the pelvic ring 12 includes mutually matched Two semicircular rings, the head ring 4 and pelvic ring 12 connect the curved bar 23 by hanging hook assembly, and the hanging hook assembly includes Hook 6, the hook 6 and 23 ball-joint of curved bar.

In a specific embodiment of the utility model, 30-50 acclivitous spiral shells are provided on the head ring 4 Pit, the threaded hole tilt upwards, and the axis of the threaded hole intersects at same point, the tail portion 11 of head ring 4 to On be obliquely installed, the tilt angle of the tail portion 11 is 30 ° -60 °.

In a specific embodiment of the utility model, adjustment hole, and two are provided in two semicircular rings A semicircular ring is fastened by screw 13 and ball faced hexagonal nut 14.

In a specific embodiment of the utility model, two first back mothers 24 are provided on the curved bar 23, described in two Two ball nuts 25 are provided between first back mother 24, the first spheric washer 26 are provided between two ball nuts 25, wherein described in one The hook 6 is set between ball nut 25 and the first spheric washer 26, be provided on the hook 6 matched with curved bar 23 it is logical Hole, the through-hole are provided with the sphere hole 7 matched with the ball nut 25, the through-hole close to one end of the ball nut 25 The other end be provided with conical hole 8.

It is described to link up with 6 close to the side of first spheric washer 26 in a specific embodiment of the utility model It is provided with anti-skid chequer 9 corresponding with first spheric washer 26.

In a specific embodiment of the utility model, the head ring 4 and it is described hook 6 between and the pelvis It is fastened by adjusting screw 5 between ring 12 and the hook 6.

In a specific embodiment of the utility model, the ball rod 28 and curved bar 23 with 27 sets of the adjusting set It connects, the ball rod 28 and curved bar 23 are fastened by the second back mother 34 with the adjusting set 27.

In a specific embodiment of the utility model, eccentric shaft 31, the lock are equipped on the locking frame body 32 Tight frame body 32 is connected with lock nut 29 close to one end external screw-thread of the ball rod 28, and offers on the end face at the end Hole is socketed with fixed block 30, eccentric shaft 31 described in the end thereof contacts of the fixed block 30, the fixed block 30 in described hole The other end be provided with the spherical surface matched with the ball head (37) of the ball rod 28.

In a specific embodiment of the utility model, several needle clip assemblies are connected on the pelvic ring 12, it is described Needle clip assembly includes the swing folder 20 of inverted L-shaped, and described one end for swinging folder 20 and nail seat 21 are in close contact, and the nail seat 21 is hung over On the pelvic ring 12, the swing folder 20, nail seat 21 are fastened by screw and the pelvic ring 12, the swing folder 20 The other end is provided with V-type locking buckle 17 and lower V-type locking buckle 18, between the upper V-type locking buckle 17 and lower V-type locking buckle 18 It is provided with spring 19, the upper V-type locking buckle 17, lower V-type locking buckle 18 are tight by lock-screw 15 and swing folder 20 Gu.

In a specific embodiment of the utility model, the swing is pressed from both sides between 20 and the nail seat 21 and the pendulum The anti-skidding flank of tooth 22 is provided between dynamic folder 20 and the lower V-type locking buckle 18.

In order to facilitate the above-mentioned technical proposal for understanding the utility model, below by way of practical new to this in specifically used mode The above-mentioned technical proposal of type is described in detail.

Ball-joint mode described in the utility model can directly be replaced with conventional technical means such as oscillating bearing, universal joints, The mode of being rotatably connected can directly be replaced with conventional technical means such as socket, bearings.

The utility model hinge type head pelvic ring, including head ring assemblies 1, connection bar assembly 2 and pelvis ring assemblies 3. Head ring assemblies 1 include head ring 4 and hanging hook assembly；Hanging hook assembly includes adjusting screw 5 and hook 6；Pelvis ring assemblies 3 include Pelvic ring 12, screw 13, ball faced hexagonal nut 14, hanging hook assembly and needle clip assembly；Needle clip assembly includes lock-screw 15, second Spheric washer 16, lower V-type locking buckle 18, spring 19, swings folder 20 and nail seat 21 at upper V-type locking buckle 17；Bar assembly 2 is connected to wrap It includes the back of curved bar 23, first mother 24, ball nut 25, the first spheric washer 26, adjusting set 27, ball rod 28, lock nut 29, fix Block 30, eccentric shaft 31, locking frame body 32, positive/negative thread stick 33.

Hanging hook assembly is fixed on head ring 4 or pelvic ring 12 by adjusting screw 5 across hook 6；Hook on be arranged Have by sphere hole 7 and conical hole 8；There are 30 to 50 threaded holes, the oriented upper inclination of threaded hole and centripetal angle on head ring 4 Design；The angle tilt range that there is updip in head ring tail portion is 30 ° to 60 ° designs, and pelvis ring assemblies include that 2 semicircular rings pass through 4 screw 13 and 4 ball faced hexagonal nuts 14 link together and constitute pelvic ring 12；Mountable multiple needle folders on pelvis ring assemblies Component and hanging hook assembly, needle clip assembly sequentially passes through swing folder 20 by lock-screw 15, nail seat 21 is fixed on pelvic ring 12；Lock Tight screw 15 sequentially passes through the second spheric washer 16, upper V-type locking buckle 17, spring 19, lower V-type locking buckle 18 and swings 20 company of folder It connects, the swing folder 20 in needle clip assembly passes through the space allocation of the anti-skidding realization of the flank of tooth 22 swing folder and stable fixation at two.

33 both ends of positive/negative thread stick are each passed through the locking frame body 32 with nut to connect with locking frame body 32；Positive and negative spiral shell The structure at 33 both ends of line stick is similar, and being will after being packed into eccentric shaft 31, fixed block 30 and lock nut 29 on locking frame body 32 Ball rod 28 connects, and ball rod 28 penetrates the second back mother and 34 connect with adjusting set 27, adjusting set 27 and the second back female 34 and Curved bar 23 is cooperatively connected, and curved bar 23 sequentially passes through the first back mother 24, ball nut 25, the first spheric washer 26, hook 6, ball nut 25 and first carry on the back mother 24, so that connection 2 upper end of bar assembly be connect with head ring assemblies 1, connect 2 lower end of bar assembly and pelvic ring Component 3 connects；The label 35 of recess is provided on eccentric shaft 31, connection bar assembly 2 is needed in adjustment process by 31 pine of eccentric shaft Open, i.e., by label 35 rotate to locking 32 axis of frame body it is consistent, making can between the ball head 37 of ball rod 28 and fixed block 30 It move freely；Eccentric shaft 31 is locked after adjusting the position of connection bar assembly 2, i.e. label 35 and locking frame body 32 is at certain folder Angle makes to be in close contact between the ball head 37 of ball rod 28 and fixed block 30, to limit 28 activity of ball rod.Connect bar assembly 2 In traction, rotation positive/negative thread stick 33 counterclockwise is adjusted using open-end wrench, needs to use nut after being adjusted to required position Screw locking frame body 32.It is above-mentioned to be adjusted to the adjusting of connection bar assembly 2 in vertical direction, when if you need to carry out lateral fine tuning, Then the second back mother 34 is locked with adjusting set 27 after adjustable adjusting set 27 to required position.

Pelvic ring 12 can obtain the size being adapted with patient by adjusting position of the screw 13 on two halves annulus, so Ball faced hexagonal nut 14 is locked afterwards；When needle clip assembly is connect with the spicule of fixed pelvis, lock-screw 15 need to be unclamped, make V Type locking buckle 17 and swing folder 20 are in free state, are adjusted to after being capable of fixing the suitable position of spicule, by lock-screw 15 lockings are connected firmly with pelvic ring 12, what swing folder 20 can be firm by spicule and pelvic ring 12 with the anti-skidding flank of tooth 22 It connects.

Anti-skid chequer 9 on hook 6 can significantly improve the resistant slide power of all directions with 26 close contact of the first spheric washer, Prevent connection bar assembly 3 and head ring assemblies 1 and pelvis ring assemblies 3 from generating relative displacement.

Peep hole 36 is provided on adjusting set 27 and locking frame body 32.

Needle clip assembly is used to that hyperpelvic spicule will to be fixed on pelvis ring assemblies and pelvic ring 12 connects, pelvic ring On needle clip assembly the fixation of nail clip space any position can be realized by cutting structure at two, facilitate surgical procedure, reduce Operating difficulty, it is easier to promote.Head ring upper screwed hole passes through special designing into nail angle, can form stable three-legged structure, The uniform guarantee traction effect of stress is able to maintain in distraction procedure.

To sum up, by means of the above-mentioned technical proposal of the utility model, connecting bar assembly has bulb universal structure at two, hangs There is sphere hole at hook, the adjusting of space any position may be implemented, can be very good the shape for adapting to various patient back deformities, It avoids the problem that artificial moulding irregularly and is easy rebound, surgical procedure is convenient, can effectively shorten operating time, connecting rod group Part has the regulatory function close to vertical direction in head ring, pelvic ring, and there are also difference positions at three between head ring and pelvic ring The regulatory function set can realize Space adjustment, it can be achieved that local subtle adjustment, makes to draw work fining, screw thread on head ring Hole after design, forms stable three-legged structure into nail angle, and the uniform guarantee that stress is able to maintain in distraction procedure is led Draw effect, the needle clip assembly on pelvic ring, which passes through the anti-skidding flank of tooth at two, can realize the fixation of nail clip space any position, facilitate hand Art operation, can be easy to hurt the danger of internal organs, reduce using the fixation of this nail clip component to avoid pelvis puncturing operation bring Operating difficulty, it is easier to promote.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of hinge type head pelvic ring, including connection bar assembly (2), which is characterized in that described to connect the upper of bar assembly (2) End is connected with head ring assemblies (1), and the lower end of connection bar assembly (2) is connected with pelvis ring assemblies (3), the connecting rod group Part (2) includes positive/negative thread stick (33), and the both ends of the positive/negative thread stick (33) are respectively threaded with a locking frame body (32), institute One end that locking frame body (32) flexural pivot is connected to ball rod (28) is stated, the other end of the ball rod (28) is rotatably coupled adjusting The one end of (27) is covered, the other end of the adjusting set (27) has been rotatably coupled curved bar (23), head ring assemblies (1) packet It includes head ring (4), the pelvis ring assemblies (3) include adjustable pelvic ring (12), and the pelvic ring (12) includes mutual Two semicircular rings of cooperation, the head ring (4) is connected the curved bar (23) by hanging hook assembly with pelvic ring (12), described Hanging hook assembly includes hook (6), the hook (6) and the curved bar (23) ball-joint.

2. hinge type head pelvic ring according to claim 1, which is characterized in that be provided with 30- on the head ring (4) 50 acclivitous threaded holes, the threaded hole tilt upwards, and the axis of the threaded hole intersects at same point, institute The tail portion (11) for stating head ring (4) is obliquely installed upwards, and the tilt angle of the tail portion (11) is 30 ° -60 °.

3. hinge type head pelvic ring according to claim 1, which is characterized in that be provided in two semicircular rings Adjustment hole, and two semicircular rings are fastened by screw (13) and ball faced hexagonal nut (14).

4. hinge type head pelvic ring according to claim 1, which is characterized in that be provided with two on the curved bar (23) One carries on the back female (24), and two described first carry on the back and are provided with two ball nuts (25) between female (24), and the is provided between two ball nuts (25) One spheric washer (26), wherein the hook (6) is set between a ball nut (25) and the first spheric washer (26), it is described It is provided with the through-hole matched with curved bar (23) on hook (6), the through-hole is provided with close to one end of the ball nut (25) The sphere hole (7) matched with the ball nut (25), the other end of the through-hole are provided with conical hole (8).

5. hinge type head pelvic ring according to claim 4, which is characterized in that the hook (6) is close to described first The side of spheric washer (26) is provided with anti-skid chequer (9) corresponding with the first spheric washer (26).

6. hinge type head pelvic ring according to claim 1, which is characterized in that the head ring (4) and the hook (6) it is fastened by adjusting screw (5) between and between the pelvic ring (12) and the hook (6).

7. hinge type head pelvic ring according to claim 1, which is characterized in that the ball rod (28) and curved bar (23) It is socketed with the adjusting set (27), the ball rod (28) and curved bar (23) carry on the back female (34) and the adjusting set by second (27) it fastens.

8. hinge type head pelvic ring according to claim 1, which is characterized in that be equipped on the locking frame body (32) Eccentric shaft (31), one end external screw-thread of locking frame body (32) close to the ball rod (28) are connected with lock nut (29), hole and on the end face at the end is opened up, is socketed in described hole fixed block (30), the one of the fixed block (30) Eccentric shaft described in end in contact (31), the other end of the fixed block (30) are provided with the ball head (37) with the ball rod (28) The spherical surface matched.

9. hinge type head pelvic ring according to claim 1, which is characterized in that the pelvic ring (12) if on be connected with Dry needle clip assembly, the needle clip assembly include the swing folder (20) of inverted L-shaped, and described one end for swinging folder (20) and nail seat (21) are tight Contiguity touching, the nail seat (21) hang on the pelvic ring (12), and the swing folder (20), nail seat (21) pass through screw and institute Pelvic ring (12) fastening is stated, the other end for swinging folder (20) is provided with V-type locking buckle (17) and lower V-type locking buckle (18), it is provided with spring (19) between the upper V-type locking buckle (17) and lower V-type locking buckle (18), the upper V-type locking buckle (17), lower V-type locking buckle (18) passes through lock-screw (15) and swing folder (20) fastening.

10. hinge type head pelvic ring according to claim 9, which is characterized in that the swing folder (20) and the nail The anti-skidding flank of tooth (22) are provided between seat (21) and between swing folder (20) and the lower V-type locking buckle (18).