CN215739443U

CN215739443U - Universal basic centre gripping unit of adjusting of medical operation

Info

Publication number: CN215739443U
Application number: CN202121842653.6U
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 basis centre gripping unit is adjusted to medical operation is universal, includes clamping part, pedestal, goes up the taper sleeve, lower taper sleeve, adjustment handle, middle taper sleeve, bulb connecting rod, bulb cover, nut adapter sleeve and spring, and clamping part is the holder, and the bulb connecting rod is the installation pole of surgical instruments, and the bulb connecting rod passes through the pedestal, goes up the taper sleeve, down the taper sleeve, middle taper sleeve and adjustment handle synergism realize universal rotation regulation, and the bulb connecting rod passes through bulb cover and nut adapter sleeve realization and pedestal be connected. The upper taper sleeve and the lower taper sleeve can be synchronously driven to be close to or far away through the adjusting handle, so that the middle taper sleeve is driven to loosen or lock the ball head of the ball head connecting rod, the ball head connecting rod can be freely rotated, and when the preset position is adjusted, the ball head connecting rod can be fixed as long as the adjusting handle is tightened. The universal adjusting base unit is simple in structure and convenient to operate, is a base unit for universal adjustment of medical operations, and can meet the clamping requirements of the medical operations.

Description

Universal basic centre gripping unit of adjusting of medical operation

Technical Field

The utility model relates to a medical operation tool, in particular to a surgical operation universal adjusting frame.

Background

With the development of microsurgical equipment and technology, especially the equipment requirement equipped for brain surgery is continuously increasing, how to use a good head frame and a matched brain automatic retraction system becomes a 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 field is facilitated, and the operation difficulty is reduced, which is particularly important for carrying out deep tumors such as skull base brain stem 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 in the operation, the head frame can be prevented from moving suddenly in a large range in the operation, and the damage of surgical instruments to nerve tissues is avoided; the use of a headgear also prevents compression of important organs such as the eye. At present, all surgical operation tools perform operations on patients by being fixed on a universal frame, different surgical instruments are configured according to the difficulty level of the operations, the surgical instruments are required to be arranged on a universal adjusting frame, the universal adjusting frame can be used for arranging different surgical instruments and surgical cutters, and the surgical requirements of doctors on arbitrary rotation operation can be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a medical surgical universal adjusting basic clamping unit to meet the operation and control requirements of medical staff during surgery.

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

a medical surgical universal adjusting foundation clamping unit comprises a clamping component, a seat body, an upper taper sleeve, a lower taper sleeve, an adjusting handle, a middle taper sleeve, a ball head connecting rod, a ball head sleeve, a nut connecting sleeve and a spring, wherein the seat body is fixedly connected with the clamping component, a horizontal blind hole, a vertical through hole and a connecting thread end are arranged on the seat body, conical surfaces with the same angle are arranged on the upper taper sleeve and the lower taper sleeve, the conical surfaces of the upper taper sleeve and the lower taper sleeve are sleeved in the vertical through hole in an end-to-end mode, a screw hole is arranged in the center of the lower taper sleeve, a matching section of the adjusting handle is sleeved in the central hole of the upper taper sleeve, a connecting section of the adjusting handle is screwed in the screw hole of the lower taper sleeve, the spring is arranged between the matching section of the adjusting handle and the central hole of the upper taper sleeve, the middle taper sleeve is sleeved in the horizontal blind hole, a butt conical surface and a ball body accommodating cavity are arranged on the middle taper sleeve, the sum of the taper angle of the butt conical surface and the taper angles of the upper taper sleeve and the lower taper sleeve are equal to 90 degrees, the ball body accommodating cavity is in clearance fit with a ball head on the ball head connecting rod, the ball head sleeve and the nut connecting sleeve are sequentially sleeved on the ball head connecting rod, an inner hole of the ball head sleeve is in clearance fit with the ball head of the ball head connecting rod, an excircle of the ball head sleeve is smaller than a through hole of the nut connecting sleeve, the diameter of a shaft shoulder on the ball head sleeve is smaller than an inner threaded hole of the nut connecting sleeve, and the inner threaded hole of the nut connecting sleeve is screwed on a connecting threaded end of the seat body.

Further, the clamping part comprises a base body, a rotating clamp, a rotating pin, a clamping space and a clamping control handle, wherein the clamping space is formed in the base body, the rotating clamp is arranged on one side of the clamping space and is hinged with the base body through the rotating pin, the clamping control handle is arranged on the outer side of the rotating clamp, the clamping control handle is connected to the base body in a rotating mode, and the screw end of the clamping control handle is in contact with the rotating clamp.

Furthermore, the clamping component and the seat body are fixedly connected in a threaded screwing mode.

Furthermore, the clamping component is fixedly connected with the base body in a welding mode.

Furthermore, an end face screw hole is formed in the end face of the connecting section of the adjusting handle, and the axial limiting screw is screwed in the end face screw hole.

Furthermore, the conical angle on the upper conical sleeve and the conical angle on the lower conical sleeve are 30-60 degrees.

Furthermore, the taper angles of the conical surfaces on the upper taper sleeve and the lower taper sleeve are 45 degrees.

The working principle is as follows: the clamping component is clamped on a firm fixture, the ball head connecting rod is an installation rod of a surgical instrument, universal rotation adjustment is realized through the synergistic effect of the base body, the upper taper sleeve, the lower taper sleeve, the middle taper sleeve and the adjusting handle, and the ball head connecting rod is connected with the base body through the ball head sleeve and the nut connecting sleeve.

The adjusting handle can be rotated to synchronously drive the upper taper sleeve and the lower taper sleeve to be close to or far away from each other, so that the middle taper sleeve is driven to loosen or lock the ball head of the ball head connecting rod, the ball head connecting rod can be rotated randomly, and when the preset position is adjusted, the ball head connecting rod can be fixed as long as the adjusting handle is tightened.

The medical surgical universal adjusting basic clamping unit is simple in structure and convenient to operate, can be used in a plurality of combinations, can also be used as a fixed connecting part of other universal adjusting frames, can realize moving and rotating adjustment in any direction, is convenient and fast to operate, is firm and reliable, and can ideally meet the clamping requirements of medical surgery.

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-a clamping member; 2-a seat body; 3, mounting a taper sleeve; 4-lower taper sleeve; 5-adjusting a handle; 6-middle taper sleeve; 7-ball head connecting rod; 8-a ball head sleeve; 9-nut connecting sleeve; 10-a spring; 11-a base ontology; 12-rotating the clamp; 13-rotating pin; 14-a clamping space; 15-clamping the control handle; 21-horizontal blind hole; 22-vertical vias; 23-connecting the threaded end; 41-screw holes; 51-a mating segment; 52-a connecting segment; 53-limit screws; 61-butt conical surface; 62-sphere volume; 71-bulb; 81-inner hole; 82-excircle; 83-shaft shoulder; 91-a through hole; 92-an internally threaded hole.

Detailed Description

The technical solution implemented by the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1: a medical surgical universal adjusting foundation clamping unit comprises a clamping component 1, a seat body 2, an upper taper sleeve 3, a lower taper sleeve 4, an adjusting handle 5, a middle taper sleeve 6, a ball head connecting rod 7, a ball head sleeve 8, a nut connecting sleeve 9 and a spring 10, wherein the seat body 2 is fixedly connected with the clamping component 1, a horizontal blind hole 21, a vertical through hole 22 and a connecting thread end 23 are arranged on the seat body 2, conical surfaces with the same angle are arranged on the upper taper sleeve 3 and the lower taper sleeve 4, the conical surfaces of the upper taper sleeve 3 and the lower taper sleeve 4 are sleeved in the vertical through hole 22 in an opposite mode, a screw hole 41 is arranged in the center of the lower taper sleeve 4, a matching section 51 of the adjusting handle 5 is sleeved in a central hole of the upper taper sleeve 3, a connecting section 52 of the adjusting handle 5 is screwed in the screw hole 41 of the lower taper sleeve 4, the spring 10 is arranged between the matching section 51 of the adjusting handle 5 and the central hole of the upper taper sleeve 3, the middle taper sleeve 6 is sleeved in the horizontal blind hole 21, the middle taper sleeve 6 is provided with a butt conical surface 61 and a ball containing cavity 62, the sum of the conical angle of the butt conical surface 61 and the upper conical angle of the upper taper sleeve 3 and the upper conical angle of the lower taper sleeve 4 is equal to 90 degrees, the ball containing cavity 62 is in clearance fit with a ball head 71 on the ball head connecting rod 7, the ball head sleeve 8 and the nut connecting sleeve 9 are sequentially sleeved on the ball head connecting rod 7, an inner hole 81 of the ball head sleeve 8 is in clearance fit with the ball head 71 of the ball head connecting rod 7, an excircle 82 of the ball head sleeve 8 is smaller than a through hole 91 of the nut connecting sleeve 9, a shaft shoulder 83 on the ball head sleeve 8 is smaller than an inner threaded hole 92 of the nut connecting sleeve 9, the inner threaded hole 92 of the nut connecting sleeve 9 is screwed on a connecting threaded end 23 of the seat body 2, the end face of the connecting section 52 of the adjusting handle 5 is provided with an end face screw hole, an axial limiting screw 53 is screwed in the end face screw hole, and the conical cone angles of the upper conical sleeve 3, the lower conical sleeve 4 and the middle conical sleeve 6 are all 45 degrees.

In this example, the clamping member 1 includes a base body 11, a rotating clamp 12, a rotating pin 13, a clamping space 14, and a clamping control handle 15, the clamping space 14 is provided on the base body 11, the rotating clamp 12 is provided on one side of the clamping space 14, the rotating clamp 12 is hinged to the base body 11 through the rotating pin 13, the clamping control handle 15 is provided on the outer side of the rotating clamp 12, the clamping control handle 15 is screwed on the base body 11, and the screw end of the clamping control handle 15 contacts with the rotating clamp 12. The clamping component 1 and the base body 2 are fixedly connected in a threaded screwing mode or a welding mode.

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 embodiments and that some features may be substituted with other features. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a basis centre gripping unit is adjusted to medical operation is universal, characterized by: comprises a clamping component (1), a seat body (2), an upper taper sleeve (3), a lower taper sleeve (4), an adjusting handle (5), a middle taper sleeve (6), a ball head connecting rod (7), a ball head sleeve (8), a nut connecting sleeve (9) and a spring (10), wherein the seat body (2) is fixedly connected with the clamping component (1), a horizontal blind hole (21), a vertical through hole (22) and a connecting thread end (23) are arranged on the seat body (2), conical surfaces with the same angle are respectively arranged on the upper taper sleeve (3) and the lower taper sleeve (4), the conical surfaces of the upper taper sleeve (3) and the lower taper sleeve (4) are sleeved in the vertical through hole (22) in an opposite mode, a screw hole (41) is arranged in the center of the lower taper sleeve (4), a matching section (51) of the adjusting handle (5) is sleeved in the central hole of the upper taper sleeve (3), a connecting section (52) of the adjusting handle (5) is connected in the screw hole (41) of the lower taper sleeve (4) in a rotating mode, the spring (10) is arranged between a matching section (51) of the adjusting handle (5) and a center hole of the upper taper sleeve (3), the middle taper sleeve (6) is sleeved in the horizontal blind hole (21), the middle taper sleeve (6) is provided with a butt-joint conical surface (61) and a ball containing cavity (62), the sum of the taper angle of the butt-joint conical surface (61) and the upper taper angle of the upper taper sleeve (3) and the upper taper angle of the lower taper sleeve (4) is equal to 90 degrees, the ball containing cavity (62) is in clearance fit with a ball head (71) on the ball connecting rod (7), the ball head sleeve (8) and the nut connecting sleeve (9) are sequentially sleeved on the ball connecting rod (7), an inner hole (81) of the ball head sleeve (8) is in clearance fit with the ball head (71) of the ball connecting rod (7), an excircle (82) of the ball head sleeve (8) is smaller than a through hole (91) of the nut connecting sleeve (9), a shaft shoulder (83) on the ball head sleeve (8) is smaller than an inner threaded hole (92) of the nut connecting sleeve (9), an internal thread hole (92) of the nut connecting sleeve (9) is screwed on the connecting thread end (23) of the seat body (2).

2. The medical surgical universally adjustable base clamp unit of claim 1, further comprising: the clamping component (1) comprises a base body (11), a rotating clamp (12), a rotating pin (13), a clamping space (14) and a clamping control handle (15), wherein the clamping space (14) is arranged on the base body (11), the rotating clamp (12) is arranged on one side of the clamping space (14), the rotating clamp (12) is hinged with the base body (11) through the rotating pin (13), the clamping control handle (15) is arranged on the outer side of the rotating clamp (12), the clamping control handle (15) is screwed on the base body (11), and the screw end of the clamping control handle (15) is in contact with the rotating clamp (12).

3. The medical surgical universally adjustable base clamp unit of claim 1, further comprising: the clamping component (1) is fixedly connected with the base body (2) in a threaded screwing mode.

4. The medical surgical universally adjustable base clamp unit of claim 1, further comprising: the clamping component (1) and the base body (2) are fixedly connected in a welding mode.

5. The medical surgical universally adjustable base clamp unit of claim 1, further comprising: the end face of the connecting section (52) of the adjusting handle (5) is provided with an end face screw hole, and the axial limiting screw (53) is screwed in the end face screw hole.

6. The medical surgical universally adjustable base clamp unit of claim 1, further comprising: the conical angle of the upper conical sleeve (3) and the conical angle of the lower conical sleeve (4) are 30-60 degrees.

7. The medical surgical universally adjustable base clamp unit of claim 6, further comprising: the conical angle of the upper taper sleeve (3) and the conical angle of the lower taper sleeve (4) are 45 degrees.