CN116098715A - Adjustable finger fixer for hand surgical microsurgery - Google Patents

Adjustable finger fixer for hand surgical microsurgery Download PDF

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Publication number
CN116098715A
CN116098715A CN202211326957.6A CN202211326957A CN116098715A CN 116098715 A CN116098715 A CN 116098715A CN 202211326957 A CN202211326957 A CN 202211326957A CN 116098715 A CN116098715 A CN 116098715A
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CN
China
Prior art keywords
strip
adjusting
gear
limiting clamp
clamp
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202211326957.6A
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Chinese (zh)
Inventor
殷钰涵
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Affiliated Hospital of Jiangnan University
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Affiliated Hospital of Jiangnan University
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Application filed by Affiliated Hospital of Jiangnan University filed Critical Affiliated Hospital of Jiangnan University
Priority to CN202211326957.6A priority Critical patent/CN116098715A/en
Publication of CN116098715A publication Critical patent/CN116098715A/en
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
    • A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/54—Chiropodists' instruments, e.g. pedicure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Pathology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The invention relates to the technical field of medical appliances, in particular to an adjustable finger fixer for hand surgical microsurgery, which comprises a fixed table, an adjusting strip, a first limiting clamp, a second limiting clamp and a thumb wheel, wherein cylindrical connecting pieces are arranged in the fixed table and on one side of the fixed table, and worm gears and worm screws which are mutually driven are arranged in the connecting pieces; the utility model discloses a regulating strip, including adjusting strip, first spacing clamp, second spacing clamp, first gear, second spacing clamp, movable strip, slider, second spacing clamp, first gear, movable strip, second spacing clamp, first gear and the lateral wall of second spacing clamp are provided with the slider, run through in adjusting strip is provided with five in its one end, and runs through in the one end is provided with the pivot, and the pivot runs through the worm wheel and fixed with it to be provided with the movable strip along its length direction slip on the interior diapire of adjusting strip, elasticity is provided with a plurality of regulating strips on the first spacing clamp, and is provided with the slider between its and the adjusting strip, the second spacing clamp rotates and sets up on the adjusting strip, and is provided with the first gear that is connected with the second spacing clamp in the inside of adjusting strip, first gear and movable strip meshing set up to still elasticity is provided with the preforming between the lateral wall of second spacing clamp. Compared with the prior art, the finger fixer effectively improves the use convenience.

Description

Adjustable finger fixer for hand surgical microsurgery
Technical Field
The invention relates to the technical field of medical appliances, in particular to an adjustable finger fixer for hand surgical microsurgery.
Background
With the development of medical imaging technology, surgical operations for micro parts of human body are increasingly performed by using high-definition image microscopes. However, microsurgery requires very high coordination of the stability of the operative field and the posture of the affected limb (finger) because of its narrow operative field and delicate operation. In the hand surgery microsurgery, the elastic contraction of the flexor muscles due to the pronation and supination of the forearm causes the uncoordinated hand position and unstable operation field, so that the operation is very inconvenient for doctors, the operation difficulty is increased, and the operation time is prolonged.
The Chinese patent publication No. CN114209446U discloses a finger fixer for hand surgery microsurgery, and the Chinese patent publication No. CN210354933U discloses a novel finger fixer for hand surgery microsurgery, which is inconvenient to operate because the prior art finger fixer needs to be fixed to the finger by a series of operations after the patient puts the finger on the finger when in use, so that an adjustable finger fixer for hand surgery microsurgery is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an adjustable finger fixer for hand surgery microsurgery.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the adjustable finger fixer for the hand surgical microsurgery comprises a fixed table, adjusting strips, a first limiting clamp, a second limiting clamp and a poking wheel, wherein cylindrical connecting pieces are arranged in the fixed table and on one side of the fixed table, worm gears and worms which are mutually driven are arranged in the connecting pieces, five adjusting strips are arranged in one end of each adjusting strip in a penetrating manner, a rotating shaft penetrates through the worm gears and is fixed with the adjusting strips, and movable strips are arranged on the inner bottom wall of each adjusting strip in a sliding manner along the length direction of each adjusting strip;
the first limiting clamp is elastically provided with a plurality of adjusting sheets, a sliding block is arranged between the first limiting clamp and the adjusting strip, the second limiting clamp is rotatably arranged on the adjusting strip, a first gear connected with the second limiting clamp is arranged inside the adjusting strip, the first gear is meshed with the movable strip, and a pressing sheet is elastically arranged between the side walls of the second limiting clamp;
the thumb wheel rolls between the inner walls of the adjusting strips, and two sides of the thumb wheel are respectively provided with a second gear, the second gears are meshed with the first limiting clamps, and the thumb wheel is meshed with the movable strips.
Through adopting above-mentioned technical scheme, realized taking the finger to advance as power, when driving the thumb wheel and advancing, can control the removal, the lift of first spacing clamp, can control the upset regulation of second spacing clamp again simultaneously, improved the use convenience of this finger fixer.
As a preferable technical scheme of the invention, an outer lug boss is integrally arranged on one side wall of the fixed table, one connecting piece is fixedly connected with the outer lug boss, and the connecting piece is in a cylindrical structure.
By adopting the technical scheme, the fixing effect of the thumb is realized.
As a preferable technical scheme of the invention, the adjusting strip is provided with a horizontal chute arranged along the length direction of the adjusting strip, and the first limiting clamp is provided with a vertical chute arranged along the vertical direction of the adjusting strip.
As a preferable technical scheme of the invention, the sliding block is in a T-shaped structure, and the horizontal sliding groove and the vertical sliding groove are in sliding fit with the sliding block.
Through adopting above-mentioned technical scheme, guaranteed effectively that when the thumb wheel rolls to one side, also can realize the lift adjustment of first spacing clamp when driving the removal of first spacing clamp.
As a preferable technical scheme of the invention, the first limiting clamp is also provided with a second guide groove, and a side wall of one side of the second guide groove is provided with a second tooth slot meshed with the second gear.
Through adopting above-mentioned technical scheme, through the cooperation with the slider, realized the effect of the first locating part lifting adjustment of second gear drive.
As a preferable technical scheme of the invention, the poking wheel is circumferentially provided with the bulge which is adhered with the poking wheel into a whole, one side of the movable strip is provided with the groove, and the grooves are equidistantly provided with the clamping grooves which are in fit engagement with the bulge.
As a preferable technical scheme of the invention, a first tooth groove is formed on the other side of the movable strip, and the first tooth groove is meshed with the first gear.
Through adopting above-mentioned technical scheme, realized driving action of thumb wheel pair movable strip to make driven movable strip drive first gear rotation regulation indirectly, and then realized the rotation regulation function of second spacing clamp.
As a preferable technical scheme of the invention, the inner bottom wall of the adjusting strip is provided with a first guide groove, and the movable strip slides between the inner walls of the first guide groove.
By adopting the technical scheme, the movement direction of the movable strip is ensured.
The beneficial effects of the invention are as follows:
according to the invention, by arranging the thumb wheel, the first limiting clamp, the second limiting clamp and the movable strip, forward pushing of a finger is used as power, the thumb wheel is driven to advance, and meanwhile, the movement and lifting of the first limiting clamp can be controlled, and meanwhile, the overturning adjustment of the second limiting clamp can be controlled, so that the use convenience of the finger fixer is improved.
Drawings
FIG. 1 is a schematic view of an adjustable hand surgical microsurgery finger holder according to the present invention;
FIG. 2 is a schematic view showing the movement of a first stop clip and a second stop clip of an adjustable finger holder for hand surgical microsurgery in accordance with the present invention;
FIG. 3 is a schematic view of a first stop clip configuration of an adjustable hand surgical microsurgery finger holder according to the present invention;
FIG. 4 is a rotational schematic view of an adjustment bar and connector of an adjustable hand surgical microsurgical finger holder in accordance with the present invention.
In the figure: 1. a fixed table; 2. an adjustment bar; 21. a first guide groove; 22. a movable bar; 3. a first limit clip; 31. a second guide groove; 32. a regulating piece; 4. the second limiting clamp; 41. tabletting; 42. a first gear; 5. a connecting piece; 51. a worm wheel; 52. a worm; 6. a thumb wheel; 61. a second gear; 7. a sliding block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 4, the adjustable finger fixer for hand surgery microsurgery comprises a fixing table 1, an adjusting bar 2, a first limiting clamp 3, a second limiting clamp 4 and a thumb wheel 6, wherein a cylindrical connecting piece 5 is arranged in the fixing table 1 and on one side of the fixing table, a movable groove matched with the adjusting bar 2 is formed in the connecting piece 5 so as to facilitate rotation adjustment (not shown in the figure), the connecting piece 5 in the fixing table 1 is fixedly embedded at a rotation node of the adjusting bar 2 in an embedding manner, an integral outer bump is welded on one side wall of the fixing table 1, one connecting piece 5 is fixedly adhered to the outer bump, the connecting piece 5 is in a cylindrical structure, a worm wheel 51 and a worm 52 which are mutually driven are arranged in the connecting piece 5, a mounting groove is formed in one side of the inner part of the connecting piece 5, the worm 52 is mounted in the mounting groove, a rotating motor is mounted on one end of the worm 52, the device is used for driving the worm 52 to rotate, a switch button is arranged on the bottom wall of the connecting piece 5, five adjusting bars 2 are arranged, a rotating shaft is penetrated and arranged in one end of each adjusting bar, the rotating shaft penetrates through the worm wheel 51 and is fixed with the worm wheel 51, the worm 52 drives the worm wheel 51 to rotate, the worm wheel 51 drives the rotating shaft to rotate, thereby synchronously driving the adjusting bars 2 to rotate and adjust, after the adjusting bars are adjusted to proper positions, the switch button is pressed down to stop, movable bars 22 are arranged on the inner bottom wall of the adjusting bars 2 in a sliding manner along the length direction, first guide grooves 21 are arranged on the inner bottom wall of the adjusting bars 2, the movable bars 22 slide between the inner walls of the first guide grooves 21, the movable bars 22 are provided with a first driven part which can move along with the rotation of the deflector wheel 6, and a second driven part which can drive the first gears 42 to rotate along with the rotation, thereby driving the second limiting clamp 4 to rotate and adjust;
the first limiting clamp 3 is elastically provided with a plurality of adjusting sheets 32 for adjusting the tightness of the finger fixation, a sliding block 7 is arranged between the adjusting sheets and the adjusting strip 2, the second limiting clamp 4 is rotatably arranged on the adjusting strip 2, a first gear 42 connected with the second limiting clamp 4 is arranged in the adjusting strip 2, the first gear 42 and the second limiting clamp 4 are synchronously rotated and adjusted, the first gear 42 is meshed with the movable strip 22, a pressing sheet 41 is elastically arranged between the side walls of the second limiting clamp 4 (two ends of the pressing sheet 41 are convex and slide in the inner wall of the second limiting clamp 4, and a spring is welded on one side of the pressing sheet 41, as shown in fig. 2), and the pressing sheet 41 is also arranged for adjusting the tightness of the finger fixation;
the thumb wheel 6 rolls between the inner walls of the adjusting bar 2, and two sides of the thumb wheel are respectively provided with a second gear 61, a connecting shaft is connected between the second gears 61 and the thumb wheel 6, the adjusting bar 2 is provided with adjusting holes (see the shaded part below the sliding block 7 in fig. 2) adapted to the connecting shaft, the second gears 61 are arranged to control the lifting of the first limiting clamp 3, the second gears 61 are meshed with the first limiting clamp 3, and the thumb wheel 6 is meshed with the movable bar 22.
In this embodiment:
in order to ensure that the first limiting clamp 3 can be lifted and adjusted while moving, the adjusting bar 2 is provided with a horizontal chute arranged along the length direction of the adjusting bar, the first limiting clamp 3 is provided with a vertical chute arranged along the vertical direction of the adjusting bar, the sliding block 7 is in a T-shaped structure, the horizontal chute and the vertical chute are in sliding fit with the sliding block 7, in addition, the first limiting clamp 3 is provided with a second guide groove 31, and one side wall of the second guide groove 31 is provided with a second tooth slot meshed with the second gear 61.
In order to realize the transmission cooperation between the first limiting clamp 3, the second limiting clamp 4 and the movable strip 22, the following structural arrangement is also provided:
the dial wheel 6 is provided with a bulge which is adhered with the dial wheel 6 into a whole, one side of the movable strip 22 is provided with a groove, clamping grooves which are matched and meshed with the bulge are formed in the groove at equal intervals, the other side of the movable strip 22 is provided with a first tooth groove, and the first tooth groove is meshed with the first gear 42.
Working principle:
the direction angle of each adjusting bar 2 is adjusted to be proper, then the patient moves the finger forward along the direction of the adjusting bar 2, the shifting wheel 6 is driven to roll forward during the forward movement, the movable bar 22 is driven to move to the right side of fig. 2, the first gear 42 is further rotated along the anticlockwise direction shown in fig. 2, the first limiting clamp 3 is further moved forward, the second limiting clamp 4 is rotated and adjusted from the vertical state to the horizontal state, meanwhile, the sliding block 7 slides along the horizontal groove during the forward movement of the first limiting clamp 3, meanwhile, the second gear 61 synchronously rotates along with the rolling of the shifting wheel 6, the first limiting clamp 3 is further moved downwards during the forward movement, the finger front end is fixed by the adjusting piece 32 at the moment when the finger is straightened or can not move forward any more, and the finger tail is fixed by the pressing piece 41, so that the convenient use effect of the finger fixer is realized.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. An adjustable hand surgical microsurgical finger holder comprising:
the fixing device comprises a fixing table (1), wherein cylindrical connecting pieces (5) are arranged in the fixing table (1) and on one side of the fixing table, and worm wheels (51) and worms (52) which are mutually driven are arranged in the connecting pieces (5);
the adjusting strips (2) are arranged in five ways, a rotating shaft penetrates through one end of each adjusting strip (2), the rotating shaft penetrates through the worm wheel (51) and is fixed with the worm wheel, and movable strips (22) are arranged on the inner bottom wall of each adjusting strip (2) in a sliding mode along the length direction of the inner bottom wall;
the first limiting clamp (3), a plurality of adjusting sheets (32) are elastically arranged on the first limiting clamp (3), and a sliding block (7) is arranged between the first limiting clamp and the adjusting strip (2);
the second limiting clamp (4) is rotatably arranged on the adjusting strip (2), a first gear (42) connected with the second limiting clamp (4) is arranged in the adjusting strip (2), the first gear (42) is meshed with the movable strip (22), and a pressing sheet (41) is elastically arranged between the side walls of the second limiting clamp (4);
the thumb wheel (6), thumb wheel (6) roll between the inner wall of regulating strip (2), and its both sides all are provided with second gear (61), and the meshing sets up between second gear (61) and first spacing clamp (3) to also the meshing sets up between thumb wheel (6) and movable strip (22).
2. The adjustable finger holder for hand surgery microsurgery according to claim 1, wherein an outer bump is integrally provided on a side wall of the fixing table (1), wherein one connecting piece (5) is fixedly connected with the outer bump, and the connecting piece (5) is arranged in a cylindrical structure.
3. The adjustable finger holder for hand surgery microsurgery according to claim 1, wherein the adjusting bar (2) is provided with a horizontal chute arranged along the length direction thereof, and the first limiting clamp (3) is provided with a vertical chute arranged along the vertical direction thereof.
4. An adjustable hand surgical microsurgical finger holder according to claim 3, characterized in that the slide (7) is arranged in a "T" configuration, and that both the horizontal and vertical slide are in sliding fit with the slide (7).
5. The adjustable finger holder for hand surgery microsurgery according to claim 1, wherein the first limiting clamp (3) is further provided with a second guiding groove (31), and a side wall of the second guiding groove (31) is provided with a second tooth slot meshed with the second gear (61).
6. The adjustable finger holder for hand surgery microsurgery according to claim 1, wherein the thumb wheel (6) is provided with a bulge which is adhered with the thumb wheel into a whole, one side of the movable strip (22) is provided with a groove, and clamping grooves which are matched and meshed with the bulge are formed in the groove at equal intervals.
7. The adjustable hand surgical microsurgical finger holder of claim 6, wherein the other side of the moveable strip (22) defines a first spline that engages the first gear (42).
8. The adjustable finger holder for hand surgery according to claim 1, wherein the inner bottom wall of the adjustment bar (2) is provided with a first guide groove (21), and the movable bar (22) slides between the inner walls of the first guide groove (21).
CN202211326957.6A 2022-10-27 2022-10-27 Adjustable finger fixer for hand surgical microsurgery Withdrawn CN116098715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211326957.6A CN116098715A (en) 2022-10-27 2022-10-27 Adjustable finger fixer for hand surgical microsurgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211326957.6A CN116098715A (en) 2022-10-27 2022-10-27 Adjustable finger fixer for hand surgical microsurgery

Publications (1)

Publication Number Publication Date
CN116098715A true CN116098715A (en) 2023-05-12

Family

ID=86260464

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211326957.6A Withdrawn CN116098715A (en) 2022-10-27 2022-10-27 Adjustable finger fixer for hand surgical microsurgery

Country Status (1)

Country Link
CN (1) CN116098715A (en)

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Application publication date: 20230512