CN215739517U

CN215739517U - Universal adjustment operation fixing frame for medical tricone

Info

Publication number: CN215739517U
Application number: CN202121838430.2U
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 universal regulation operation mount of tricone body, includes supporting connection seat, rotation adjusting part and universal regulating arm subassembly, and the combination of three can satisfy the relative supporting connection seat of arc working beam arbitrary angle rotation in the horizontal plane, can realize 180 degrees full angle rotations along the vertical plane. The lifting of the middle taper sleeve is controlled by moving the adjusting screw rod in the adjusting assembly to control the conical end pairs of the nut taper sleeve and the right taper sleeve, so that the universal ball is locked and loosened, the arc-shaped working rod can rotate in any direction relative to the universal fixing clamp by the aid of the structure, the requirement of universal adjustment is met, and the universal adjusting mechanism is adjustable and can 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.

Description

Universal adjustment operation fixing frame for medical tricone

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 the random rotation in three directions, can lock at any position and can be used for installing different surgical instruments, wherein a tricone medical universal adjusting surgical fixing frame is an important core component.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical universal-adjustment surgical fixing frame for a tricone.

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

a medical universal adjustment operation fixing frame for a tricone is characterized in that: the universal adjusting mechanism comprises a supporting connecting seat, a rotating adjusting assembly and a universal adjusting arm assembly, wherein the supporting connecting seat comprises a connecting rod and a seat body, the seat body is arranged at the upper end of the connecting rod, a threaded connecting end, a vertical blind hole and a horizontal through hole are arranged on the seat body, the threaded connecting end is positioned at the top end of the seat body, the vertical blind hole is positioned in the center of the threaded connecting end, the opening is upward, the horizontal through hole is horizontally arranged in the seat body, the vertical blind hole is communicated with the horizontal through hole, and the axes of the vertical blind hole and the horizontal through hole are mutually vertical;

the rotation adjusting assembly comprises a nut taper sleeve, a right taper sleeve, an adjusting screw rod and a locking screw, 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 the rotation adjusting assembly is sleeved on the horizontal through hole;

universal regulating arm subassembly includes universal ball, connect the swing arm, arc work pole, the fixation nut cover, 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 and fixation nut cover wear to overlap in proper order on connecting the swing arm, the axial is spacing by universal ball, the open end and the universal ball of middle taper sleeve correspond, the conical surface end of middle taper sleeve sets up in perpendicular blind hole, the hole cover of spacing ball cover is on middle taper sleeve, the excircle suit is in the hole of fixation nut cover, the fixation nut cover connects soon on the threaded connection end of supporting the connecting seat.

Furthermore, the combination body of the universal ball and the connecting rotary rod is fixedly connected with the arc-shaped working rod through threads.

Furthermore, the universal ball, the combination body of the connecting rotary rod and the arc-shaped working rod are fixedly connected in an interference fit mode.

Furthermore, the taper angles of the taper end of the nut taper sleeve and the taper end of the right taper sleeve are the same, and the sum of the taper angle of the taper end of the middle taper sleeve and the taper angle of the taper end of the right taper sleeve is 90 degrees.

The using method of the utility model is as follows:

assembling a support connecting seat and a rotation adjusting assembly:

and sequentially sleeving the right cone head sleeve and the nut cone sleeve on the screw section of the adjusting screw, oppositely arranging the cone ends on the right cone head sleeve and the nut cone sleeve, screwing the locking screw on the connecting end of the adjusting screw, limiting the axial screwing movement length of the nut cone sleeve and the screw section of the adjusting screw, and sleeving the rotary adjusting assembly in the horizontal through hole.

Assembly of the support connection seat and the universal adjustment 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 middle taper sleeve correspond, the conical surface end of middle taper sleeve sets up in perpendicular blind hole, the hole cover of spacing ball cover is on middle taper sleeve, the excircle suit of spacing ball cover is in the hole of tightening up the nut, tighten up the nut and connect soon on the threaded connection who supports the connecting seat holds, the conical surface end of middle taper sleeve and the right taper sleeve cover in the rotation regulating assembly, the conical surface end butt joint of nut taper sleeve coincide.

The lifting of the middle taper sleeve is controlled by moving an 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 arc-shaped working rod can rotate in any direction relative to the universal fixing clamp by the aid of the structure, the universal adjusting requirement is met, and the adjustable locking mechanism is adjustable and can 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 a schematic diagram of an embodiment of the present invention;

FIG. 3 is an exploded view of FIG. 2;

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 solution 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.

Example 1: a universal adjustment surgical fixing frame for a medical tricone body is shown in figure 1 and comprises a supporting and connecting seat 2, a rotary adjustment assembly 3 and a universal adjustment arm assembly 4, wherein the supporting and connecting seat 2 comprises a connecting rod 21 and a seat body 22, the seat body 22 is arranged 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 positioned at the top end of the seat body 22, the vertical blind hole 24 is positioned at the center of the threaded connecting end 23, the opening is upward, the horizontal through hole 25 is horizontally arranged in the seat body 22, the vertical blind hole 24 is communicated with the horizontal through hole 25, and the axes of the vertical blind hole 24 and the horizontal through hole 25 are mutually vertical;

the rotation adjusting assembly 3 comprises a nut taper sleeve 31, a right taper sleeve 32, an adjusting screw 33 and a locking screw 34, the right taper sleeve 32 is sleeved on a connecting rod of the adjusting screw 33, a connecting end of the adjusting screw 33 is screwed in a screw hole of the nut taper sleeve 31, the locking screw 34 is screwed on the connecting end of the adjusting screw 33, and the rotation adjusting assembly 3 is sleeved on the horizontal through hole 25;

universal regulating arm subassembly 4 includes universal ball 41, connect the swing arm 42, arc work pole 43, tighten up nut 44, spacing ball cover 45 and middle taper sleeve 46, connect swing arm 42 and universal ball 41 fixed connection, connect swing arm 42 and arc work pole 43 fixed connection, spacing ball cover 45 and tighten up nut 44 wear to overlap in proper order on connecting the swing arm 42, it is spacing that the axial is by universal ball 41, the open end of middle taper sleeve 46 corresponds with universal ball 41, the conical surface end of middle taper sleeve 46 sets up in perpendicular blind hole 24, the hole cover of spacing ball cover 45 is on middle taper sleeve 46, the excircle suit is in the hole of tightening up nut 44, tighten up nut 44 connects on the threaded connection end 23 of support connecting seat 2 soon.

In this example, the combination of the universal ball 41 and the connecting rotary rod 42 is fixedly connected with the arc-shaped working rod 43 through threads; the taper angles of the tapered ends of the nut taper sleeve 31 and the right taper head sleeve 32 are the same, the sum of the taper angle of the tapered end of the middle taper sleeve 46 and the taper angle of the tapered end of the right taper head sleeve 32 is 90 degrees, and more specifically, the taper angles of the tapered ends of the nut taper sleeve 31, the right taper head sleeve 32 and the middle taper sleeve 46 are all 45 degrees.

Example 2: the difference from the embodiment 1 is that: the combination body of the universal ball 41 and the connecting rotary rod 42 is fixedly connected with the arc-shaped working rod 43 in an interference fit mode.

The application example is as follows:

fig. 3 shows an arc-shaped universal arm for a surgical head rack, which applies the utility model, and comprises a universal fixing clamp 1, a support connecting seat 2, a rotation adjusting component 3 and a universal adjusting arc-shaped arm component 4, wherein the combination of the support connecting seat 2, the rotation adjusting component 3 and the universal adjusting arc-shaped arm component 4 is the utility model, the universal fixing clamp 1 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 fixing chuck 19, the universal fixing clamp 1 is arranged at one side of the surgical head rack, the fixing 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 at the outer side of the rotary ball 13, a fixed through hole 171 and a limit blind hole 172 are arranged on the positioning connecting piece 17, the limit blind hole 172 is positioned in 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 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 screwing way, the positioning screw 18 is screwed in a screw hole at the other end of the limit blind hole 172, and the clamping and the loosening of the support connecting seat 2 and the rotary ball 13 are realized by pressing and loosening the left limit sleeve 16, the supporting and connecting seat 2 can do linear movement along the vertical direction of 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 fixedly connected with the operation head frame in a detachable way;

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. A medical universal adjustment operation fixing frame for a tricone is characterized in that: the universal adjusting mechanism comprises a supporting and connecting seat (2), a rotating adjusting component (3) and a universal adjusting arm component (4), wherein the supporting and connecting seat (2) comprises a connecting rod (21) and a seat body (22), the seat body (22) is arranged 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 positioned at the top end of the seat body (22), the vertical blind hole (24) is positioned at the center of the threaded connecting end (23), the opening is upward, the horizontal through hole (25) is horizontally arranged in the seat body (22), the vertical blind hole (24) is communicated with the horizontal through hole (25), and the axes of the vertical blind hole (24) and the horizontal through hole (25) are mutually vertical;

the rotary adjusting assembly (3) comprises a nut taper sleeve (31), a right taper sleeve (32), an adjusting screw rod (33) and a locking screw (34), the right taper sleeve (32) is sleeved on a connecting rod of the adjusting screw rod (33), the connecting end of the adjusting screw rod (33) is screwed in a screw hole of the nut taper sleeve (31), the locking screw (34) is screwed on the connecting end of the adjusting screw rod (33), and the rotary adjusting assembly (3) is sleeved on the horizontal through hole (25); universal regulation arm subassembly (4) are including universal ball (41), connect swing arm (42), arc work pole (43), tighten up nut (44), spacing ball sleeve (45) and middle taper sleeve (46), connect swing arm (42) and universal ball (41) fixed connection, connect swing arm (42) and arc work pole (43) fixed connection, spacing ball sleeve (45) and tighten up nut (44) are worn to overlap in proper order and are connected swing arm (42), the axial is spacing by universal ball (41), the open end and the universal ball (41) of middle taper sleeve (46) correspond, the conical surface end of middle taper sleeve (46) sets up in perpendicular blind hole (24), the hole cover of spacing ball sleeve (45) is on middle taper sleeve (46), the excircle suit is in the hole of tightening up nut (44), tighten up nut (44) and connect soon on threaded connection end (23) of support connecting seat (2).

2. The medical tricone universal adjustable surgical mount of claim 1, wherein: the combination body of the universal ball (41) and the connecting rotary rod (42) is fixedly connected with the arc-shaped working rod (43) through threads.

3. The medical tricone universal adjustable surgical mount of claim 1, wherein: the combination body of the universal ball (41) and the connecting rotary rod (42) is fixedly connected with the arc-shaped working rod (43) in an interference fit mode.

4. The medical tricone universal adjustable surgical mount of claim 1, wherein: the taper angles of the conical ends of the nut taper sleeve (31) and the right taper sleeve (32) are the same, and the sum of the taper angle of the conical end of the middle taper sleeve (46) and the taper angle of the conical end of the right taper sleeve (32) is 90 degrees.

5. The medical tricone universal adjustable surgical mount of claim 4, wherein: the taper angles of the taper end of the nut taper sleeve (31) and the taper end of the right taper sleeve (32) are both 15 degrees, and the taper angle of the taper end of the middle taper sleeve (46) is 45 degrees.