CN216021428U

CN216021428U - Universal fixation clamp with bidirectional rotation function

Info

Publication number: CN216021428U
Application number: CN202121839587.7U
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: 2022-03-15
Anticipated expiration: 2031-08-06

Abstract

The utility model provides an universal fixation clamp with two-way rotation function, including the holder, tighten up the clamp, tighten up the knob, the roating ball, spacing ball cap, right side stop collar, left stop collar, positioning connection spare and positioning screw, be equipped with fixed chuck on the holder, tighten up the knob and connect on the holder soon, and with tighten up clamp hinge connection, roating ball and holder fixed connection, set up fixing hole and spacing hole at positioning connection spare inboard, the support connection seat sets up in spacing hole through left stop collar and right stop collar, the roating ball is connected with positioning connection spare through spacing ball cap, positioning screw connects in the screw of spacing hole other end soon, through compressing tightly and loosening left stop collar, realize pressing from both sides tightly and loosening the support connection seat, be linear motion and plane pivoted fixed connection between support connection seat and the holder. The universal fixing clamp with the structure can rotate freely in a range of 360 degrees around a horizontal axis and can also rotate in a range of 180 degrees along a vertical plane, so that a bidirectional rotation function is realized.

Description

Universal fixation clamp with bidirectional rotation function

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 applicant invents an arc-shaped universal adjusting arm for a medical surgical head frame, which can realize 360-degree rotation, can be locked at any position and can be provided with different surgical instruments, wherein a universal fixing clamp with a bidirectional rotation function is a heavy core component.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal fixing clamp with a bidirectional rotation function.

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

the utility model provides a universal fixation clamp with two-way rotation function which characterized by: 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, the positioning connecting piece is provided with a fixing through hole and a limiting blind hole, the limiting blind hole is positioned at 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 fixedly connected with the surgical head frame in a detachable mode.

Furthermore, the rotating ball is fixedly connected with the clamping seat through threads.

Furthermore, the rotating ball and the clamping seat are fixed by an axial pin after being assembled and connected with the shaft through a hole.

Furthermore, an integrated fixed connection structure is arranged between the rotating ball and the clamping seat.

The using method of the utility model is as follows:

in the actual operation process, the clamping seat, the tightening clamp, the tightening knob, the rotary ball, the limiting ball cap, the right limiting sleeve, the left limiting sleeve, the positioning connecting piece and the positioning screw rod are assembled, namely the positioning screw rod is screwed in a screw hole on the left side surface 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 semicircular holes on the left limiting sleeve and the right limiting sleeve is coaxial with a fixing through hole on the positioning connecting piece, the rotary ball is sleeved in an inner hole of the limiting ball cap, the end of the threaded hole on the limiting ball cap faces outwards, the rotary ball is fixedly connected with the clamping seat, and the tightening clamp and the tightening knob are installed on the clamping seat, so that the assembly of the utility model is completed.

The universal fixing clamp with the structure can rotate freely in a range of 360 degrees around a horizontal axis and can also rotate in a range of 180 degrees along a vertical plane, so that a bidirectional rotation function is realized.

Drawings

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

FIG. 2 is a schematic structural diagram of an arc-shaped gimbal arm for a surgical head frame;

FIG. 3 is an exploded view of the arc-shaped gimbal for the surgical head;

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:

a universal fixing clamp with a bidirectional rotation function is disclosed, as shown in figure 1, and comprises a clamp holder 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, wherein the universal fixing clamp 1 is arranged at one side of an operation headstock, the fixing chuck 19 corresponding to the tightening clamp 11 is arranged on the clamp holder 10, the tightening knob 12 is screwed on the clamp holder 10 and is hinged with the tightening clamp 11, the rotary ball 13 is fixedly connected with the clamp holder 10, the limiting ball cap 14 is arranged at the outer side of the rotary ball 13, the positioning connecting piece 17 is provided with a fixing through hole 171 and a limiting blind hole 172, the limiting blind hole 172 is positioned at the center of the positioning connecting piece 17, the fixing through hole 171 is arranged at the outer side of the positioning connecting piece 17, the axis of the fixing through hole 171 is perpendicular to the axis of the limiting blind hole 172, the fixing through hole 171 is communicated with the limiting blind hole 172, the support and connection base 2 is clamped and arranged in the fixing through hole 171 through the right and

left stop sleeves

15 and 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 left limiting sleeve 16 is pressed and loosened to clamp and loosen the support connecting seat 2 and the rotary ball 13, the support connecting seat 2 can move linearly relative to the universal fixing clamp 1 along the vertical direction of the axis of the positioning connecting piece 17 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.

In this case, the rotating ball 13 is fixedly connected with the holder 10 through a screw thread.

Example 2: the difference from the embodiment is that: the rotating ball 13 and the holder 10 are fixed by an axial pin after being assembled and connected with a shaft through a hole.

Example 3: the difference from the embodiment 1 is that: the rotating ball 13 and the holder 10 are in an integrated fixed connection structure.

The application example is as follows:

fig. 2 to 3 illustrate an application embodiment of the present invention, in this example, the present invention is referred to as a universal fixing clip 1 for short, and the arc-shaped universal arm for a surgical head rack includes a universal fixing clip 1, a support connection seat 2, a rotation adjustment assembly 3 and a universal adjustment arc-shaped arm assembly 4, the support connection seat 2 includes a connection rod 21 and a seat body 22, the support connection seat 2 and the universal fixing clip 1 are fixedly connected through the connection rod 21 in a linear movement and planar rotation manner, the seat body 22 is fixed at the upper end of the connection rod 21, a threaded connection end 23, a vertical blind hole 24 and a horizontal through hole 25 are arranged on the seat body 22, the threaded connection end 23 is located at the top end of the seat body 22, the vertical blind hole 24 is located inside the threaded connection 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.

Claims

1. The utility model provides a universal fixation clamp with two-way rotation function which characterized by: comprises a clamping 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 fixed chuck (19), wherein the universal fixed clamp (1) is arranged on one side of the surgical headstock, the fixed chuck (19) corresponding to the tightening clamp (11) is arranged on the clamping seat (10), the tightening knob (12) is screwed on the clamping seat (10) and is hinged with the tightening clamp (11), the rotary ball (13) is fixedly connected with the clamping seat (10), the limiting ball cap (14) is arranged on the outer side of the rotary ball (13), a fixed 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 fixed through hole (171) is arranged on the outer circle side surface of the positioning connecting piece (17), the axis of the fixed through hole (171) is vertical to the axis of the limiting blind hole (172), the fixed through hole (171) is communicated with the limiting blind hole (172), the support connecting seat (2) is clamped by the right limiting sleeve (15) and the left limiting sleeve (16) and then is arranged in the fixed through hole (171), the rotating ball (13) is connected with the positioning connecting piece (17) through the limiting ball cap (14), the rotating ball (13) is connected with the right limiting sleeve (15), the rotating ball (13), the right limiting sleeve (15) and the left limiting sleeve (16) are sequentially arranged in the limiting blind hole (172) from right to left, the limiting ball cap (14) and the positioning connecting piece (17) are connected in a rotating mode in the axial direction, and the positioning screw (18) is limited; connect in the screw of spacing blind hole (172) other end, through compressing tightly and unclamping left stop collar (16), realize the clamp and unclamping supporting connection seat (2) and swivel ball (13), supporting connection seat (2) can make rectilinear movement for universal fixation clamp (1) along the vertical direction of positioning connection spare (17) axis, can make universal rotation around swivel ball (13) along with positioning connection spare (17), be the fixed connection of removable formula between universal fixation clamp (1) and the operation headstock.

2. The universal fixing clamp with bidirectional rotation function as claimed in claim 1, wherein: the rotating ball (13) is fixedly connected with the clamping seat (10) through threads.

3. The universal fixing clamp with bidirectional rotation function as claimed in claim 1, wherein: the rotating ball (13) and the clamping seat (10) are fixed by an axial pin after being assembled and connected with a shaft through a hole.

4. The universal fixing clamp with bidirectional rotation function as claimed in claim 1, wherein: the rotating ball (13) and the clamping seat (10) are of an integrated fixed connection structure.