CN215739518U

CN215739518U - Arc-shaped universal adjusting arm for medical surgical head frame

Info

Publication number: CN215739518U
Application number: CN202121841497.1U
Authority: CN
Inventors: 周国平
Original assignee: Changzhou Shixing Medical Instrument Co ltd
Current assignee: Changzhou Shixing Medical Instrument Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-08
Anticipated expiration: 2031-08-06

Abstract

The utility model provides a medical operation is universal regulating arm of arc for headstock, includes universal fixation clamp, supporting connection seat, rotation adjusting part and universal regulation arc arm subassembly, fixed connection can be dismantled with universal fixation clamp to the supporting connection seat, and universal regulation arc arm subassembly is installed on the supporting connection seat through rotating adjusting part, and universal rotation can be realized for the supporting connection seat to universal regulation arc arm subassembly is adjusted fixedly by rotating adjusting part, the relative universal fixation clamp of supporting connection seat can carry out 360 rotations in vertical plane around horizontal axis, and can follow its axis rectilinear movement. The operator can adjust required angle wantonly according to the operation requirement, and the operation mode is also very convenient, has practiced thrift the time, reduces operation operator's work load, has reduced the operation degree of difficulty, has improved the precision of operation, and changes in the operation.

Description

Arc-shaped universal adjusting arm for medical surgical head frame

Technical Field

The utility model relates to a surgical tool, in particular to a neurosurgery head frame.

Background

With the development of micro neurosurgical equipment and technology, the surgical head frame has become the standard equipment for brain surgery, and how to use the head frame and the matched automatic brain retracting system becomes the basic technology which must be mastered by neurosurgeons. The head frame can firmly and safely connect the head of the patient and the operating bed into a whole. On the basis of ensuring the comfort and safety of the patient, the patient is placed in a position most suitable for the operation, the exposure of the operation visual field is facilitated, and the operation difficulty is reduced, which is particularly important for carrying out deep tumors such as skull base brainstem and the like; the use of the head frame provides foundation and convenience for the application of an automatic brain retracting system, navigation and the like; when the patient has accidents such as over-shallow anesthesia or epilepsy in the operation, the use of the head frame can prevent the head from moving suddenly in a large range in the operation, and avoid the damage of surgical instruments to nerve tissues; the use of a headgear also prevents compression of important organs such as the eye. At present, all surgical operation tools are fixed on a surgical head frame to perform operations on patients, different surgical instruments are required to be arranged for each operation due to different operation difficulty degrees, and therefore, an arc-shaped universal adjusting arm for the surgical head frame, which can rotate 360 degrees, can be locked at any position and can be provided with different surgical instruments, must be provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an arc-shaped universal adjusting arm for a medical surgical head frame, which aims to solve the problems in the background technology.

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

the utility model provides a medical operation is arc universal regulating arm for headstock which characterized by: including universal fixation clamp, supporting connection seat, rotation adjusting part and universal regulation arc arm subassembly, fixed connection can be dismantled with universal fixation clamp to the supporting connection seat, and universal regulation arc arm subassembly is installed on the supporting connection seat through rotating adjusting part, and universal rotation can be realized for the supporting connection seat to universal regulation arc arm subassembly is fixed by rotating adjusting part to supporting connection seat relative universal fixation clamp can carry out 360 rotations in vertical plane around horizontal axis, and can follow its axis rectilinear movement.

Furthermore, the universal fixing clamp comprises a clamping seat, a tightening clamp, a tightening knob, a rotary ball, a limiting ball cap, a right limiting sleeve, a left limiting sleeve, a positioning connecting piece, a positioning screw rod and a fixing chuck, the universal fixing clamp is arranged on one side of the surgical headstock, the fixing chuck corresponding to the tightening clamp is arranged on the clamping seat, the tightening knob is screwed on the clamping seat and is hinged with the tightening clamp, the rotary ball is fixedly connected with the clamping seat, the limiting ball cap is arranged on the outer side of the rotary ball, a fixing through hole and a limiting blind hole are arranged on the positioning connecting piece, the limiting blind hole is positioned in the center of the positioning connecting piece, the fixing through hole is arranged on the outer circle side surface of the positioning connecting piece, the axis of the fixing through hole is vertical to the axis of the limiting blind hole, the fixing through hole is communicated with the limiting blind hole, the supporting connecting seat is clamped in the fixing through hole through the right limiting sleeve and the left limiting sleeve, and the rotary ball is connected with the positioning connecting piece through the limiting ball cap, the rotary ball is connected with the right limiting sleeve, the rotary ball, the right limiting sleeve and the left limiting sleeve are sequentially arranged in the limiting blind hole from right to left, the axial direction is limited by the rotary connection of the limiting ball cap and the positioning connecting piece, the positioning screw is rotationally connected in a screw hole at the other end of the limiting blind hole, the left limiting sleeve is pressed and loosened, the support connecting seat and the rotary ball are clamped and loosened, the support connecting seat can linearly move along the vertical direction of the axis of the positioning connecting piece relative to the universal fixing clamp and can also universally rotate around the rotary ball along with the positioning connecting piece, and the universal fixing clamp is detachably fixedly connected with the surgical head frame.

Further, the support connection seat comprises a connection rod and a seat body, the seat body is arranged at the upper end of the connection rod, a threaded connection end, a vertical blind hole and a horizontal through hole are arranged on the seat body, the threaded connection end is located at the top end of the seat body, the vertical blind hole is located in the center of the threaded connection end, the opening is upward, the horizontal through hole is horizontally arranged inside the seat body, the vertical blind hole is communicated with the horizontal through hole, and the vertical blind hole and the horizontal through hole are perpendicular to each other in axis.

Further, it includes nut taper sleeve, right awl headgear, adjusting screw and locking screw to rotate adjusting part, and right awl head cover suit is on adjusting screw's connecting rod, and adjusting screw's link connects soon in the screw of nut taper sleeve, and locking screw connects soon on adjusting screw's connecting end, rotates adjusting part suit in horizontal through-hole.

Further, universal regulation arc arm subassembly includes universal ball, connect the swing arm, arc work pole, tighten up the nut, spacing ball cover and middle taper sleeve, connect swing arm and universal ball fixed connection, connect swing arm and arc work pole fixed connection, spacing ball cover wears to overlap on connecting the swing arm with tightening up the nut in proper order, the axial is spacing by universal ball, the open end and the universal ball of tightening up the nut correspond, the conical surface end of middle taper sleeve sets up in perpendicular blind hole, the excircle suit of middle taper sleeve is in the hole of spacing ball cover, the excircle suit of spacing ball cover is in the hole of tightening up the nut, tightening up the nut and connect soon on the threaded connection who supports the connecting seat holds.

Furthermore, the rotating ball and the clamping seat are fixedly connected into a whole through threads.

Furthermore, the rotating ball and the clamping seat are sleeved by a shaft and hole structure and are fixedly connected in an axial limiting manner through a pin.

Furthermore, an integrated fixed connection structure is formed between the rotary ball and the clamping seat.

Furthermore, the connecting rotary rod is fixedly connected with the arc-shaped working rod through threads.

Furthermore, the connecting rotary rod is fixedly connected with the arc-shaped working rod through a clamping structure.

The using method of the utility model is as follows:

the universal fixture comprises a first step, a clamping seat in the universal fixture, a tightening clamp, a tightening knob, a rotary ball, a limiting ball cap, a right limiting sleeve, a left limiting sleeve, a positioning connecting piece and a positioning screw rod are assembled, the positioning screw rod is screwed in a screw hole on the left side face of the positioning connecting piece, the left limiting sleeve and the right limiting sleeve are sequentially placed in a limiting blind hole of the positioning connecting piece, a round hole formed by opposite arrangement of semicircular holes in the left limiting sleeve and the right limiting sleeve is coaxial with a fixing through hole in the positioning connecting piece, the rotary ball is sleeved in an inner hole of the limiting ball cap, the end of a threaded hole in the limiting ball cap faces outwards, the rotary ball is fixedly connected with the clamping seat, the tightening clamp and the tightening knob are installed on the clamping seat, and the assembly of the universal fixture is completed.

And step two, assembling a support connecting seat and a rotation adjusting assembly:

the adjusting device comprises a nut taper sleeve, a right taper sleeve, an adjusting screw rod and a locking screw, wherein the right taper sleeve is sleeved on a connecting rod of the adjusting screw rod, a connecting end of the adjusting screw rod is screwed in a screw hole of the nut taper sleeve, the locking screw is screwed on the connecting end of the adjusting screw rod, and a rotary adjusting assembly is sleeved in a horizontal through hole;

thirdly, assembling a support connecting seat and a universal adjusting arc-shaped arm component:

universal ball, connect the swing arm, the arc working beam, tighten up the nut, spacing ball cover and middle taper sleeve, connect swing arm one end and universal ball fixed connection, connect the other end and arc working beam fixed connection of swing arm, spacing ball cover and tighten up the nut and wear the cover in proper order on connecting the swing arm, the axial of tightening up the nut is spacing by universal ball, the open end and the universal ball of tightening up the nut correspond, the conical surface end of middle taper sleeve sets up in perpendicular blind hole, the excircle cover of middle taper sleeve is in the hole of spacing ball cover, the excircle suit of spacing ball cover is in the hole of tightening up the nut, the tightening up the nut connects soon on the threaded connection end of supporting the connecting seat, the conical surface end of middle taper sleeve and the nut taper sleeve in the rotation adjustment subassembly, the conical surface end butt joint of right side taper sleeve coincide.

When the universal fixing clamp is used, the universal fixing clamp is fixed on a head frame or other fixed objects, the connecting rod on the supporting and connecting seat is inserted into the circular hole formed by the semi-circles on the right limiting sleeve and the left limiting sleeve in a surrounding mode, and the supporting and connecting seat is clamped and rotates in a plane through the positioning screw rod. The lifting of the middle taper sleeve is driven by the conical surface end which controls the nut taper sleeve and the right taper sleeve through rotating the adjusting screw rod in the adjusting assembly, so that the universal ball can be locked and loosened to rotate 360 degrees along a vertical line, the structure enables the arc-shaped working rod to rotate in any direction relative to the universal fixing clamp, and the arc-shaped working rod can be adjusted at any position.

The requirement of universal adjustment can not only be adjusted, but also be locked. The operator can adjust required angle wantonly according to the operation degree of difficulty and operation progress, and the operation mode is also very convenient, has practiced thrift the time, reduces operation operator's work load, has reduced the operation degree of difficulty, has improved the precision of operation, and changes in the operation.

Drawings

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

FIG. 2 is an exploded view of the present invention;

in the figure: 1-universal fixing clip; 2-supporting the connecting seat; 3-rotating the adjusting assembly; 4-a universal adjustment arc arm assembly; 10-a holder; 11-tightening the clamp; 12-tightening the knob; 13-a rolling ball; 14-a limit ball cap; 15-right stop collar; 16-a left stop collar; 17-positioning the connection; 18-a positioning screw; 19-a fixed chuck; 21-a connecting rod; 22-a seat body; 23-a threaded connection end; 24-vertical blind holes; 25-horizontal through holes; 31-nut taper sleeve; 32-right awl headgear; 33-adjusting the screw; 34-a locking screw; 41-universal ball; 42-connecting rotary rod; 43-arc work bar; 44-tightening the nut; 45-limiting ball sleeve; 46-intermediate taper sleeve; 171-fixing through holes; 172-limit blind holes.

Detailed Description

The technical solutions implemented by the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments are only one implementation manner of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: an arc-shaped universal arm for a surgical head frame is shown in figures 1-2: the universal fixing clamp comprises a universal fixing clamp 1, a supporting and connecting seat 2, a rotation adjusting assembly 3 and a universal adjusting arc-shaped arm assembly 4, wherein the universal fixing clamp 1 comprises a clamp seat 10, a tightening clamp 11, a tightening knob 12, a rotary ball 13, a limiting ball cap 14, a right limiting sleeve 15, a left limiting sleeve 16, a positioning connecting piece 17, a positioning screw 18 and a fixing chuck 19, the universal fixing clamp 1 is arranged on one side of an operation headstock, the fixing chuck 19 corresponding to the tightening clamp 11 is arranged on the clamp seat 10, the tightening knob 12 is screwed on the clamp seat 10 and is hinged with the tightening clamp 11, the rotary ball 13 is fixedly connected with the clamp seat 10, the limiting ball cap 14 is arranged on the outer side of the rotary ball 13, a fixing through hole 171 and a limiting blind hole 172 are arranged on the positioning connecting piece 17, the limiting blind hole 172 is positioned at the center of the positioning connecting piece 17, the fixing through hole 171 is arranged on the outer circle side surface of the positioning connecting piece 17, the axis of the fixing through hole 171 is vertical to the axis of the limiting blind hole 172, the fixing through hole 171 is communicated with the limit blind hole 172, the support and connection base 2 is clamped and arranged in the fixing through hole 171 through the right limit sleeve 15 and the left limit sleeve 16, the rotary ball 13 is connected with a positioning connecting piece 17 through a limiting ball cap 14, the rotary ball 13 is connected with a right limiting sleeve 15, a rotary ball 13, a right limit sleeve 15 and a left limit sleeve 16 are sequentially arranged in the limit blind hole 172 from right to left, the axial direction is limited by the rotary connection of a limit ball cap 14 and a positioning connecting piece 17, a positioning screw 18 is rotatably connected in a screw hole at the other end of the limit blind hole 172, the supporting and connecting seat 2 and the rotary ball 13 are clamped and loosened by pressing and loosening the left limiting sleeve 16, the supporting and connecting seat 2 can move linearly along the vertical direction of the axis of the positioning connecting piece 17 relative to the universal fixing clamp 1 and can rotate universally around the rotary ball 13 along with the positioning connecting piece 17, and the universal fixing clamp 1 is fixedly connected with the operation head frame in a detachable mode;

the support connecting seat 2 comprises a connecting rod 21 and a seat body 22, the support connecting seat 2 and the universal fixing clamp 1 are fixedly connected through the connecting rod 21 in a linear moving and planar rotating mode, the seat body 22 is fixed at the upper end of the connecting rod 21, a threaded connecting end 23, a vertical blind hole 24 and a horizontal through hole 25 are arranged on the seat body 22, the threaded connecting end 23 is located at the top end of the seat body 22, the vertical blind hole 24 is located on the inner side of the threaded connecting end 23, the opening is upward, and the horizontal through hole 25 is located inside the seat body 22;

the rotary adjusting component 3 comprises a nut taper sleeve 31, a right taper sleeve 32, an adjusting screw 33 and a locking screw 34, the adjusting screw 33 is arranged in the horizontal through hole 25 through the right taper sleeve 32 and the nut taper sleeve 31, the locking screw 34 is screwed in a screw hole on the left end surface of the adjusting screw 33, the universal adjusting arc-shaped arm component 4 comprises a universal ball 41, a connecting rotary rod 42, an arc-shaped working rod 43, a tightening nut 44, a limiting ball sleeve 45 and a middle taper sleeve 46, the connecting rotary rod 42 is fixedly connected with the universal ball 41, one end of the arc-shaped working rod 43 is provided with a fixed screw hole corresponding to the connecting rotary rod 42, the arc-shaped working rod 43 is fixedly connected with the connecting rotary rod 42 through the fixed screw hole, the middle taper sleeve 46 is arranged in the vertical blind hole 24, the limiting ball sleeve 45 and the tightening nut 44 are sequentially sleeved on the connecting rotary rod 42, the tightening nut 44 can be screwed on the threaded connecting end 23 of the supporting and connecting seat 2, universal regulation arc arm subassembly 4 is installed on the pedestal 22 of supporting connection seat 2 through rotating adjusting part 3, and universal rotation can be realized for supporting connection seat 2 through universal ball 41 to universal regulation arc arm subassembly 4 to adjust fixedly by each part of rotating adjusting part 3, supporting connection seat 2 can 360 rotations in plane through the rotatory ball 13 that sets up in universal fixation clamp 1, and can rectilinear movement.

In actual work, after the position of the universal fixing clip 1 is fixed by an operator before surgery, then the angle and the position between the support connecting seat 2 and the universal adjusting arc-shaped arm component 4 are adjusted through the rotation adjusting component 3 and the universal fixing clamp 1, a flexible shaft surgical knife can be arbitrarily arranged on the universal adjusting arc-shaped arm component 4 for surgical operation, when the operation is carried out, because the universal regulation between the universal regulation arc-shaped arm component 4 and the supporting and connecting seat 2 and between the universal fixing clamp 1 and the supporting and connecting seat 2 can be universally regulated, the operator only needs to finely regulate the angle and the position of the universal regulation arc-shaped arm component 4 according to the operation progress and the operation angle, the operation on the next step can be carried out, the operation progress is not influenced, the operation efficiency is greatly increased, the time is saved for a patient, and the operation safety is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a medical operation is arc universal regulating arm for headstock which characterized by: including universal fixation clamp (1), supporting connection seat (2), rotation adjusting part (3) and universal regulation arc arm subassembly (4), fixed connection can be dismantled with universal fixation clamp (1) to supporting connection seat (2), and universal regulation arc arm subassembly (4) are installed on supporting connection seat (2) through rotating adjusting part (3), and universal rotation can be realized for supporting connection seat (2) to universal regulation arc arm subassembly (4) are adjusted fixedly by rotation adjusting part (3), supporting connection seat (2) relative universal fixation clamp (1) can carry out 360 rotations in vertical plane around the horizontal axis, and can follow its axis rectilinear movement.

2. The medical surgical head frame arc-shaped universal adjusting arm according to claim 1, which is characterized in that: the universal fixing clamp (1) comprises a clamp seat (10), a tightening clamp (11), a tightening knob (12), a rotary ball (13), a limiting ball cap (14), a right limiting sleeve (15), a left limiting sleeve (16), a positioning connecting piece (17), a positioning screw rod (18) and a fixing chuck (19), the universal fixing clamp (1) is arranged on one side of the surgical headstock, the fixing chuck (19) corresponding to the tightening clamp (11) is arranged on the clamp seat (10), the tightening knob (12) is screwed on the clamp seat (10) and is hinged with the tightening clamp (11), the rotary ball (13) is fixedly connected with the clamp seat (10), the limiting ball cap (14) is arranged on the outer side of the rotary ball (13), a fixing through hole (171) and a limiting blind hole (172) are arranged on the positioning connecting piece (17), the limiting blind hole (172) is positioned in the center of the positioning connecting piece (17), the fixing through hole (171) is arranged on the outer circle side face of the positioning connecting piece (17), the axis of the fixed through hole (171) is vertical to the axis of the limit blind hole (172), the fixed through hole (171) is communicated with the limit blind hole (172), the support connecting seat (2) is clamped in the fixed through hole (171) through a right limit sleeve (15) and a left limit sleeve (16), the rotary ball (13) is connected with the positioning connecting piece (17) through a limit ball cap (14), the rotary ball (13) is connected with the right limit sleeve (15), the rotary ball (13), the right limit sleeve (15) and the left limit sleeve (16) are sequentially arranged in the limit blind hole (172) from right to left, the axial direction is limited by the limit ball cap (14) and the positioning connecting piece (17) in a rotary connection mode, the positioning screw rod (18) is rotatably connected in a screw hole at the other end of the limit blind hole (172), and the support connecting seat (2) and the rotary ball (13) are clamped and loosened by compressing and loosening the left limit sleeve (16), the supporting and connecting seat (2) can do linear movement along the axis of the positioning connecting piece (17) relative to the universal fixing clamp (1), and can also do universal rotation around the rotating ball (13) along with the positioning connecting piece (17), and the universal fixing clamp (1) is connected with the operation head frame in a detachable and fixed mode.

3. The medical surgical head frame arc-shaped universal adjusting arm according to claim 1, which is characterized in that: support connecting seat (2) including connecting rod (21) and pedestal (22), pedestal (22) set up in connecting rod (21) upper end, be equipped with threaded connection end (23) on pedestal (22), perpendicular blind hole (24) and horizontal through-hole (25), threaded connection end (23) are located the top of pedestal (22), perpendicular blind hole (24) are located the center of threaded connection end (23), the opening is upwards, horizontal through-hole (25) level is established inside pedestal (22), perpendicular blind hole (24) communicate with each other with horizontal through-hole (25), the axis mutually perpendicular of perpendicular blind hole (24) and horizontal through-hole (25).

4. The medical surgical head frame arc-shaped universal adjusting arm according to claim 1, which is characterized in that: rotate adjusting part (3) and include nut taper sleeve (31), right awl headgear (32), adjusting screw (33) and locking screw (34), right awl headgear (32) suit is on the connecting rod of adjusting screw (33), and the link of adjusting screw (33) connects soon in the screw of nut taper sleeve (31), and locking screw (34) connect soon on the link of adjusting screw (33), rotate adjusting part (3) suit in horizontal through-hole (25).

5. The medical surgical head frame arc-shaped universal adjusting arm according to claim 1, which is characterized in that: the universal regulation arc-shaped arm component (4) comprises a universal ball (41), a connecting rotary rod (42), an arc-shaped working rod (43), a tightening nut (44), a limiting ball sleeve (45) and a middle taper sleeve (46), wherein the connecting rotary rod (42) is fixedly connected with the universal ball (41), the connecting rotary rod (42) is fixedly connected with the arc-shaped working rod (43), the limiting ball sleeve (45) and the tightening nut (44) are sequentially sleeved on the connecting rotary rod (42) in a penetrating manner, the axial direction is limited by the universal ball (41), the open end of the tightening nut (44) corresponds to the universal ball (41), the conical surface end of the middle taper sleeve (46) is arranged in the vertical blind hole (24), the excircle of the middle taper sleeve (46) is sleeved in the inner hole of the limiting ball sleeve (45), the excircle of the limiting ball sleeve (45) is sleeved in the inner hole of the tightening nut (44), and the tightening nut (44) is screwed on the threaded connecting end (23) of the support connecting seat (2).

6. The medical surgical head frame arc-shaped universal adjusting arm as claimed in claim 2, which is characterized in that: the rotating ball (13) is fixedly connected with the clamping seat (10) through threads, or is fixedly connected with the clamping seat through a shaft and hole sleeving structure and axially limited by a pin.

7. The medical surgical head frame arc-shaped universal adjusting arm as claimed in claim 2, which is characterized in that: the rotating ball (13) and the clamping seat (10) are of an integrated fixed connection structure.

8. The arc-shaped universal adjusting arm for the medical operation head frame as claimed in claim 5, which is characterized in that: the connecting rotary rod (42) is fixedly connected with the arc-shaped working rod (43) through threads.

9. The arc-shaped universal adjusting arm for the medical operation head frame as claimed in claim 5, which is characterized in that: the connecting rotary rod (42) is fixedly connected with the arc-shaped working rod (43) through a clamping structure.