CN215307873U

CN215307873U - Side-fixed type sheath tube stable clamping mechanism

Info

Publication number: CN215307873U
Application number: CN202121374521.5U
Authority: CN
Inventors: 陈天鸣; 任琦蓉; 陈仕林
Original assignee: Jiangsu Cancer Hospital
Current assignee: Jiangsu Cancer Hospital
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-28
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a lateral fixed type sheath tube stable clamping mechanism which comprises a strip-shaped base, two C-shaped clamping plates, a lifting adjusting mechanism, a telescopic adjusting mechanism and a sheath tube clamping mechanism, wherein the C-shaped clamping plates are arranged on the strip-shaped base; sheath pipe fixture includes bar mount pad, two articulated sleeve pipes, two centre gripping hand are twisted bolt and two arc grip blocks. The lateral fixed type stable sheath tube clamping mechanism can clamp and fix the inserted sheath tube by utilizing the matching of a clamping hand screwed bolt, an arc-shaped clamping plate and a hinged sleeve, so that the reliable performance of a minimally invasive surgery is ensured; utilize arc concave surface and arc convex surface sliding fit to constitute spherical articulated, the sheath pipe that can realize after the centre gripping has nimble angle modulation function.

Description

Side-fixed type sheath tube stable clamping mechanism

Technical Field

The utility model relates to a medical auxiliary instrument, in particular to a side-fixed sheath tube stable clamping mechanism.

Background

At present, a sheath tube is often used in a minimally invasive surgery, but the sheath tube often inclines or moves up and down in the using process, and the normal operation of the minimally invasive surgery is influenced. Therefore, a lateral fixed type sheath tube stable clamping mechanism is needed to be designed, so that the sheath tube can be clamped and positioned, and the reliable performance of the minimally invasive surgery is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the lateral side fixed type sheath tube stable clamping mechanism can clamp and position a sheath tube and ensure the reliable performance of minimally invasive surgery.

In order to realize the aim of the utility model, the utility model provides a side-fixed sheath tube stable clamping mechanism, which comprises a bar-shaped base, two C-shaped clamping plates, a lifting adjusting mechanism, a telescopic adjusting mechanism and a sheath tube clamping mechanism;

the two C-shaped clamping plates are fixedly arranged on the lower side surface of the strip-shaped base, and a side hand-screwed bolt is arranged on the lower side plate of each of the two C-shaped clamping plates in a penetrating threaded manner; a T-shaped sliding groove is arranged on the upper side surface of the strip-shaped base along the length direction of the strip-shaped base, and a T-shaped sliding block is arranged in the T-shaped sliding groove in a sliding manner; a side edge strip-shaped hole communicated with the T-shaped sliding groove is formed in the side edge of the strip-shaped base, and a butterfly bolt penetrating through the side edge strip-shaped hole is screwed on the T-shaped sliding block in a threaded manner;

the lifting adjusting mechanism is vertically and fixedly arranged on the upper side surface of the T-shaped sliding block, one end of the telescopic adjusting mechanism is rotatably arranged on the upper end of the lifting adjusting mechanism, and the height of the telescopic adjusting mechanism is adjusted by the lifting adjusting mechanism; the sheath tube clamping mechanism is arranged at the other end of the telescopic adjusting mechanism; the sheath tube clamping mechanism comprises a strip-shaped mounting seat, two hinged sleeves, two clamping hand-screwed bolts and two arc-shaped clamping plates; two hinged mounting holes are formed in the strip-shaped mounting seat, and arc-shaped concave surfaces are formed in the wall of each hinged mounting hole; the two hinge sleeves respectively penetrate through the two hinge mounting holes, and arc-shaped convex surfaces are arranged in the middle of the hinge sleeves; the arc concave surface and the arc convex surface are in sliding fit to form spherical hinge joint; two centre gripping hand are twisted the bolt and are run through formula screw thread closure respectively and install in two articulated sheathed tube upper end mouths of pipe department, and two arc grip blocks rotate type respectively and install on the tip of interior of two centre gripping hand are twisted the bolt for carry out centre gripping fixed to the sheath pipe.

Furthermore, the telescopic adjusting mechanism comprises a telescopic sleeve, a swinging sleeve head and a telescopic adjusting rod; the swing sleeve head is rotatably arranged at the upper end of the lifting adjusting mechanism, and one end of the telescopic sleeve is fixedly arranged on the swing sleeve head; a telescopic positioning hand-screwed bolt is screwed at the pipe orifice at the other end of the telescopic sleeve; one end of the telescopic adjusting rod is inserted into the other end of the telescopic sleeve, and the end part of the telescopic positioning hand screwed bolt is pressed on the telescopic adjusting rod; the end part of the strip-shaped mounting seat is horizontally fixed on the other end of the telescopic adjusting rod.

Furthermore, a telescopic guide sliding groove is arranged on the telescopic adjusting rod along the axial direction of the telescopic adjusting rod, and a telescopic guide sliding block which is embedded into the telescopic guide sliding groove in a sliding mode is arranged on the inner wall of the telescopic sleeve.

Furthermore, the lifting adjusting mechanism comprises a lifting sleeve, a lifting rod and a lifting positioning hand-screwed bolt; the lower end of the lifting sleeve is vertically and fixedly arranged on the upper side surface of the T-shaped sliding block, and the lifting rod is vertically inserted into the lifting sleeve; the lifting positioning hand-screwed bolt is screwed at the upper end pipe orifice of the lifting sleeve, and the end part of the screw rod of the lifting positioning hand-screwed bolt is pressed on the lifting rod; the swinging sleeve head is rotatably arranged on the upper end of the lifting rod.

Furthermore, a rotary positioning hand-screwed bolt is screwed on the swinging sleeve head in a threaded manner, and the end part of a screw rod of the rotary positioning hand-screwed bolt is pressed on the lifting rod; the rod wall of the lifting rod is provided with a lifting guide sliding groove along the axial direction, and the inner wall of the lifting sleeve is provided with a lifting guide sliding block which is embedded into the lifting guide sliding groove in a sliding manner.

Furthermore, clamping anti-slip pads are arranged on the clamping side arc surface of the arc-shaped clamping plate and the inner side pipe wall of the hinged sleeve.

Furthermore, a pressing clamping plate is arranged at the end part of a screw rod of the side hand-screwed bolt; anti-skid cushion layers are arranged on the lower side surface of the upper side plate of the C-shaped clamping plate and the upper side surface of the pressing clamping plate.

Furthermore, two hinged positioning hand-screwed bolts are screwed on the side edge of the strip-shaped mounting seat in a threaded manner, and the screw end parts of the two hinged positioning hand-screwed bolts are respectively pressed on the two arc-shaped convex surfaces.

The utility model has the beneficial effects that: the clamping hand is used for screwing the bolt, the arc-shaped clamping plate and the hinged sleeve to be matched, so that the inserted sheath tube can be clamped and fixed, and the reliable performance of the minimally invasive surgery is ensured; the height of the clamped sheath tube can be adjusted by using the lifting adjusting mechanism, so that the height adjusting requirement of an operation site is met; the telescopic adjusting mechanism can be used for adjusting the horizontal position of the clamped sheath tube, so that the position adjusting requirement of the operation site is met; the T-shaped sliding groove, the T-shaped sliding block and the butterfly bolt are matched to enable the whole lifting adjusting mechanism to slide and be positioned vertically; the C-shaped clamping plate and the side hand-screwed bolt are matched, so that the strip-shaped base can be conveniently fixed on the side of the operating table, and the mounting stability is ensured; utilize arc concave surface and arc convex surface sliding fit to constitute spherical articulated, the sheath pipe that can realize after the centre gripping has nimble angle modulation function.

Drawings

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

fig. 2 is a partial structural schematic view of the telescopic adjustment mechanism and the sheath clamping mechanism of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1 and 2, the lateral fixed sheath stabilizing and clamping mechanism disclosed by the utility model comprises: the device comprises a strip-shaped base 4, two C-shaped clamping plates 1, a lifting adjusting mechanism, a telescopic adjusting mechanism and a sheath tube clamping mechanism;

the two C-shaped clamping plates 1 are fixedly arranged on the lower side surface of the strip-shaped base 4, and a side hand-screwed bolt 2 is arranged on the lower side plates of the two C-shaped clamping plates 1 in a penetrating threaded manner; a T-shaped sliding groove is arranged on the upper side surface of the strip-shaped base 4 along the length direction of the strip-shaped base, and a T-shaped sliding block 3 is arranged in the T-shaped sliding groove in a sliding manner; a side edge strip-shaped hole communicated with the T-shaped sliding groove is formed in the side edge of the strip-shaped base 4, and a butterfly bolt 5 penetrating through the side edge strip-shaped hole is screwed on the T-shaped sliding block 3 in a threaded manner;

the lifting adjusting mechanism is vertically and fixedly arranged on the upper side surface of the T-shaped sliding block 3, one end of the telescopic adjusting mechanism is rotatably arranged on the upper end of the lifting adjusting mechanism, and the height of the telescopic adjusting mechanism is adjusted by the lifting adjusting mechanism; the sheath tube clamping mechanism is arranged at the other end of the telescopic adjusting mechanism; the sheath tube clamping mechanism comprises a strip-shaped mounting seat 14, two hinged sleeves 17, two clamping hand screwed bolts 19 and two arc-shaped clamping plates 22; two hinged mounting holes 21 are formed in the strip-shaped mounting seat 14, and arc-shaped concave surfaces are formed in the hole walls of the hinged mounting holes 21; the two hinge sleeves 17 respectively penetrate through the two hinge mounting holes 21, and arc-shaped convex surfaces 18 are arranged in the middle of the hinge sleeves 17; the arc concave surface and the arc convex surface 18 are in sliding fit to form spherical hinge joint; two hand-operated clamping bolts 19 are respectively installed at the upper end pipe orifices of the two hinged sleeves 17 in a penetrating threaded screwing manner, and two arc-shaped clamping plates 22 are respectively installed on the inner ends of the two hand-operated clamping bolts 19 in a rotating manner and are used for clamping and fixing the sheath pipe.

The inserted sheath tube can be clamped and fixed by utilizing the matching of the clamping hand screwed bolt 19, the arc-shaped clamping plate 22 and the hinged sleeve 17, so that the reliable operation of the minimally invasive surgery is ensured; the height of the clamped sheath tube can be adjusted by using the lifting adjusting mechanism, so that the height adjusting requirement of an operation site is met; the telescopic adjusting mechanism can be used for adjusting the horizontal position of the clamped sheath tube, so that the position adjusting requirement of the operation site is met; the T-shaped sliding groove, the T-shaped sliding block 3 and the butterfly bolt 5 are matched to enable the integral sliding and positioning of the vertical lifting adjusting mechanism; the C-shaped clamping plate 1 and the side hand-screwed bolt 2 are matched, so that the strip-shaped base 4 can be conveniently fixed on the side of the operating table, and the mounting stability is ensured; the arc concave surface and the arc convex surface 18 are matched in a sliding mode to form spherical hinge, so that the clamped sheath tube has a flexible angle adjusting function.

Further, the telescopic adjusting mechanism comprises a telescopic sleeve 12, a swinging sleeve head 10 and a telescopic adjusting rod 15; the swing sleeve head 10 is rotatably arranged at the upper end of the lifting adjusting mechanism, and one end of the telescopic sleeve 12 is fixedly arranged on the swing sleeve head 10; a telescopic positioning hand-screwed bolt 13 is screwed at the pipe orifice at the other end of the telescopic sleeve 12; one end of a telescopic adjusting rod 15 is inserted into the other end of the telescopic sleeve 12, and the end part of a telescopic positioning hand-screwed bolt 13 is pressed on the telescopic adjusting rod 15; the end of the bar-shaped mounting seat 14 is horizontally fixed to the other end of the telescopic adjusting lever 15. The telescopic positioning of the telescopic adjusting rod 15 can be realized by screwing the bolt 13 by using a telescopic positioning hand.

Further, a telescopic guide chute 16 is provided on the telescopic adjustment lever 15 along the axial direction thereof, and a telescopic guide slider slidably embedded in the telescopic guide chute 16 is provided on the inner wall of the telescopic tube 12. The telescopic adjusting rod 15 can be prevented from rotating relatively by the cooperation of the telescopic guide chute 16 and the telescopic guide slider.

Further, the lifting adjusting mechanism comprises a lifting sleeve 6, a lifting rod 7 and a lifting positioning hand-screwed bolt 8; the lower end of the lifting sleeve 6 is vertically and fixedly arranged on the upper side surface of the T-shaped slide block 3, and the lifting rod 7 is vertically inserted in the lifting sleeve 6; the lifting positioning hand-screwed bolt 8 is screwed at the upper end pipe orifice of the lifting sleeve 6, and the end part of the screw rod of the lifting positioning hand-screwed bolt 8 is pressed on the lifting rod 7; the swing socket 10 is rotatably mounted on the upper end of the lifting rod 7. The lifting positioning of the lifting rod 7 can be realized by screwing the bolt 8 by a lifting positioning hand; the rotational adjustment of the telescopic tube 12 can be facilitated by means of the oscillating attachment 10.

Further, a rotary positioning hand-screwed bolt 11 is screwed on the swing sleeve head 10, and the end part of the screw rod of the rotary positioning hand-screwed bolt 11 is pressed on the lifting rod 7; a lifting guide sliding groove 9 is arranged on the rod wall of the lifting rod 7 along the axial direction, and a lifting guide sliding block which is embedded into the lifting guide sliding groove 9 in a sliding manner is arranged on the inner wall of the lifting sleeve 6. The bolt 11 can be screwed by a rotary positioning hand to realize rotary positioning; by utilizing the matching of the lifting guide sliding groove 9 and the lifting guide sliding block, the relative rotation of the lifting rod 7 in the lifting adjustment process can be prevented.

Furthermore, clamping anti-slip pads 23 are arranged on the clamping side cambered surfaces of the arc-shaped clamping plates 22 and the inner side pipe wall of the hinged sleeve 17. The stability of the grip can be enhanced by the grip mat 23.

Further, a pressing clamping plate 24 is arranged at the end part of the screw rod of the side hand-screwed bolt 2; anti-slip pad layers 25 are arranged on the lower side surface of the upper side plate of the C-shaped clamping plate 1 and the upper side surface of the pressing clamping plate 24. The pressing area can be increased by the pressing clamp plate 24, and the stability of the pressing clamp can be enhanced.

Further, two hinged positioning hand-screwed bolts 20 are screwed on the side of the strip-shaped mounting seat 14, and the screw end portions of the two hinged positioning hand-screwed bolts 20 are respectively pressed on the two arc-shaped convex surfaces 18. The ball joint can be positioned using two joint positioning hand bolts 20.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a fixture is stabilized to fixed sheath pipe of side which characterized in that: comprises a strip-shaped base (4), two C-shaped clamping plates (1), a lifting adjusting mechanism, a telescopic adjusting mechanism and a sheath tube clamping mechanism;

the two C-shaped clamping plates (1) are fixedly arranged on the lower side surface of the strip-shaped base (4), and a side hand-screwed bolt (2) is arranged on the lower side plate of each of the two C-shaped clamping plates (1) in a penetrating threaded manner; a T-shaped sliding groove is arranged on the upper side surface of the strip-shaped base (4) along the length direction of the strip-shaped base, and a T-shaped sliding block (3) is arranged in the T-shaped sliding groove in a sliding manner; a side edge strip-shaped hole communicated with the T-shaped sliding groove is formed in the side edge of the strip-shaped base (4), and a butterfly bolt (5) penetrating through the side edge strip-shaped hole is screwed on the T-shaped sliding block (3) in a threaded manner;

the lifting adjusting mechanism is vertically and fixedly arranged on the upper side surface of the T-shaped sliding block (3), one end of the telescopic adjusting mechanism is rotatably arranged on the upper end of the lifting adjusting mechanism, and the height of the telescopic adjusting mechanism is adjusted by the lifting adjusting mechanism; the sheath tube clamping mechanism is arranged at the other end of the telescopic adjusting mechanism; the sheath tube clamping mechanism comprises a strip-shaped mounting seat (14), two hinged sleeves (17), two clamping hand-screwed bolts (19) and two arc-shaped clamping plates (22); two hinged mounting holes (21) are formed in the strip-shaped mounting seat (14), and arc-shaped concave surfaces are formed in the wall of each hinged mounting hole (21); the two hinge sleeves (17) respectively penetrate through the two hinge mounting holes (21), and arc-shaped convex surfaces (18) are arranged in the middle of the hinge sleeves (17); the arc concave surface and the arc convex surface (18) are in sliding fit to form spherical hinge joint; two hand-operated clamping bolts (19) are respectively installed at the upper end pipe orifices of the two hinged sleeves (17) in a penetrating threaded screwing manner, and two arc-shaped clamping plates (22) are respectively installed on the inner end parts of the two hand-operated clamping bolts (19) in a rotating manner and are used for clamping and fixing the sheath pipe.

2. The mechanism of claim 1, wherein: the telescopic adjusting mechanism comprises a telescopic sleeve (12), a swinging sleeve head (10) and a telescopic adjusting rod (15); the swing sleeve head (10) is rotatably arranged at the upper end of the lifting adjusting mechanism, and one end of the telescopic sleeve (12) is fixedly arranged on the swing sleeve head (10); a telescopic positioning hand-screwed bolt (13) is screwed at the pipe orifice at the other end of the telescopic sleeve (12); one end of a telescopic adjusting rod (15) is inserted into the other end of the telescopic sleeve (12), and the end part of a telescopic positioning hand screwed bolt (13) is pressed on the telescopic adjusting rod (15); the end part of the strip-shaped mounting seat (14) is horizontally fixed on the other end of the telescopic adjusting rod (15).

3. The mechanism of claim 2, wherein: a telescopic guide sliding groove (16) is arranged on the telescopic adjusting rod (15) along the axial direction of the telescopic adjusting rod, and a telescopic guide sliding block which is embedded into the telescopic guide sliding groove (16) in a sliding manner is arranged on the inner wall of the telescopic sleeve (12).

4. The mechanism of claim 2, wherein: the lifting adjusting mechanism comprises a lifting sleeve (6), a lifting rod (7) and a lifting positioning hand-screwed bolt (8); the lower end of the lifting sleeve (6) is vertically and fixedly arranged on the upper side surface of the T-shaped sliding block (3), and the lifting rod (7) is vertically inserted into the lifting sleeve (6); the lifting positioning hand-screwed bolt (8) is screwed at the upper end pipe orifice of the lifting sleeve (6), and the end part of the screw rod of the lifting positioning hand-screwed bolt (8) is pressed on the lifting rod (7); the swinging sleeve head (10) is rotatably arranged on the upper end of the lifting rod (7).

5. The mechanism of claim 4, wherein: a rotary positioning hand-screwed bolt (11) is screwed on the swing sleeve head (10) in a threaded manner, and the end part of a screw rod of the rotary positioning hand-screwed bolt (11) is pressed on the lifting rod (7); a lifting guide sliding groove (9) is arranged on the rod wall of the lifting rod (7) along the axial direction of the lifting rod, and a lifting guide sliding block which is embedded into the lifting guide sliding groove (9) in a sliding manner is arranged on the inner wall of the lifting sleeve (6).

6. The mechanism of claim 1, wherein: clamping anti-skid pads (23) are arranged on the clamping side cambered surface of the arc-shaped clamping plate (22) and the inner side pipe wall of the hinged sleeve (17).

7. The mechanism of claim 1, wherein: a pressing clamping plate (24) is arranged at the end part of the screw rod of the side hand-screwed bolt (2); anti-skid cushion layers (25) are arranged on the lower side surface of the upper side plate of the C-shaped clamping plate (1) and the upper side surface of the pressing clamping plate (24).

8. The mechanism of claim 1, wherein: two hinged positioning hand-screwed bolts (20) are screwed on the side edge of the strip-shaped mounting seat (14) in a threaded manner, and the screw end parts of the two hinged positioning hand-screwed bolts (20) are respectively pressed on the two arc-shaped convex surfaces (18).