CN109009313B - Clinical navel cord knotter of gynaecology and obstetrics - Google Patents

Clinical navel cord knotter of gynaecology and obstetrics Download PDF

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Publication number
CN109009313B
CN109009313B CN201811103045.6A CN201811103045A CN109009313B CN 109009313 B CN109009313 B CN 109009313B CN 201811103045 A CN201811103045 A CN 201811103045A CN 109009313 B CN109009313 B CN 109009313B
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China
Prior art keywords
rotating shaft
fixedly connected
hole
gear
ring
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Expired - Fee Related
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CN201811103045.6A
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CN109009313A (en
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薛洪喜
林路
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Rizhao Hospital of Traditional Chinese Medicine TCM
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Rizhao Hospital of Traditional Chinese Medicine TCM
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Priority to CN201811103045.6A priority Critical patent/CN109009313B/en
Priority to CN202110068345.0A priority patent/CN112890906B/en
Publication of CN109009313A publication Critical patent/CN109009313A/en
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Publication of CN109009313B publication Critical patent/CN109009313B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/122—Clamps or clips, e.g. for the umbilical cord
    • A61B2017/1225—Clamps or clips, e.g. for the umbilical cord for clipping and cutting in a single operation
    • 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)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Reproductive Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)

Abstract

The invention relates to the technical field of medical appliances, in particular to a clinical umbilical cord knotter for obstetrics and gynecology department, which comprises an upper scissors body, a lower scissors body, an umbilical cord knotting device, a fixing device and a rotating device, wherein the upper scissors body is of a T structure with a hollow interior and a first open slot arranged at the upper right end, the lower scissors body is arranged at the front end of the lower part of the upper scissors body and is hinged with the upper scissors body and the lower scissors body through a first rotating shaft, and the fixing device is fixedly connected with the left ends of the upper scissors body and the lower scissors body. The umbilical cord knotting device is reasonable in structural design, the rotating wheel is rotated clockwise after the umbilical cord is fixed by the fixing clamp to drive the left end reel to rotate anticlockwise along with the sliding ring, the sliding seat slides forwards to take the first fixing ring out of the groove to wind the umbilical cord before knotting, and the umbilical cord is knotted when the first sliding plate is pressed downwards by the contact rod, and meanwhile, the knife rest rotates anticlockwise along with the fifth rotating shaft to cut the umbilical cord synchronously, so that the umbilical cord knotting device is complete in function and convenient to move, and has a good popularization prospect.

Description

Clinical navel cord knotter of gynaecology and obstetrics
Technical Field
The invention relates to the technical field of medical appliances, in particular to a clinical umbilical cord knotter for obstetrics and gynecology department.
Background
The umbilical cord is a tubular structure connecting the fetus and the placenta of the pregnant mother, nutrient substances and oxygen are exchanged between the blood circulation of the fetus in the placenta and the blood circulation of the mother, the umbilical cord needs to be cut off and tied when the newborn is born, and the existing medical apparatus on the market is single in function, complex in operation and inconvenient to use, so that the improvement is needed.
An effort is made to the obstetrical and gynecological medical umbilical cord clamp cutter with the publication number of CN108451613A, a first gear and a second gear are correspondingly driven to rotate through a first rack and a second rack, so that a first connecting plate and a second connecting plate are correspondingly driven to move back to back through a first rotating shaft and a second rotating shaft respectively, and a first umbilical cord clamp lock catch and a second umbilical cord clamp lock catch are opened; placing the infant's umbilical cord between the first and second umbilical clip catches; under the action of no external force, the return spring can force the operating rod to automatically return, the operating rod correspondingly drives the first gear and the second gear to rotate through the first rack and the second rack, so that the first connecting plate and the second connecting plate 702 are correspondingly driven to move relatively through the first rotating shaft and the second rotating shaft respectively, and the first umbilical clamp lock catch and the second umbilical clamp lock catch are closed to clamp the umbilical cord of the infant; the action bars continue to reset under reset spring's effect to the umbilical cord that the blade of drive first connecting plate and grip block clamping was with first navel clamp hasp and second navel clamp hasp upper portion cuts off, avoids the doctor to take place to skid when cuting the umbilical cord clamp and causes the injury to the baby, and the device function singleness only can realize the function of cutting off to the umbilical cord, consequently awaits improving.
Disclosure of Invention
The invention aims to overcome the technical defects and provides a clinical umbilical cord knotter for obstetrics and gynecology department, the structural design of the umbilical cord knotter is reasonable, after a fixing clamp is used for fixing an umbilical cord, the rotating wheel is rotated clockwise to drive the left-end reel to rotate anticlockwise along with the sliding ring, the sliding seat slides forwards to take the first fixing ring out of the groove to realize winding before umbilical cord knotting, and when the contact rod presses the first sliding plate downwards to realize umbilical cord knotting, meanwhile, the cutter rest rotates anticlockwise along with the fifth rotating shaft to synchronously cut the umbilical cord, and the umbilical cord knotter is complete in function and convenient to move.
The technical scheme adopted by the invention for solving the technical problems is as follows: a clinical umbilical cord knotter for obstetrics and gynecology department comprises an upper scissors body, a first rotating shaft, a lower scissors body, an umbilical cord knotting device, a knife rest, a fixing device, a left connecting block, a right connecting block and a rotating device, wherein the upper scissors body is a T structure with a hollow inner part and a first open slot arranged at the upper right end, a first through hole is arranged at the lower end of the first open slot, the lower scissors body is arranged at the front end of the lower part of the upper scissors body and is hinged with the upper scissors body through the first rotating shaft, fixed columns are fixedly connected at the right parts of the front end surfaces of the upper scissors body and the lower scissors body, a pressure spring is fixedly connected between the two fixed columns, the left ends of the upper scissors body and the lower scissors body are fixedly connected with the fixing device, the fixing device consists of an upper fixed disc, a lower fixed disc, an arc-shaped connecting block, a groove, a first sliding groove, a threading hole, a second fixed ring, a fixed clamp and, on one hand, a visible window is formed to facilitate observation and wire replacement, on the other hand, the rotation of the sliding ring is ensured to avoid movement interference, the inner sides of the front end surfaces of the upper fixing disc and the lower fixing disc at the rear side are provided with semicircular first sliding grooves, the right front end of the upper fixing disc is provided with a groove, the first fixing ring is inserted into the groove before use, the wire on the winding wheel is sleeved on the first fixing ring, when the fixing device is used, the first fixing ring slides forwards along with the sliding seat to slide out of the groove, the wire slides down under the pulling force to wind the umbilical cord on the first sliding ring, the wire hooking before knotting and the winding after knotting are facilitated, the outer sides of the contact points of the upper fixing disc and the lower fixing disc are fixedly connected with fixing clamps, the fixing clamps are provided with anti-slip grains to facilitate the clamping and fixing of the umbilical cord, the upper ends of the inner sides of the two, the left connecting block is an arc-shaped connecting block which is hollow inside and provided with a second opening groove at the upper end, a fourth through hole is arranged at the center of the front side of the left connecting block, third opening grooves are arranged on two sides of the fourth through hole and communicated with the fourth through hole, a rotating device is inserted into the fourth through hole and consists of a T-shaped column, a limiting plate, a supporting plate, a wedge-shaped groove, a reset spring, a first movable plate, a straight rack and a second gear, the 1/2 in the middle of the T-shaped column is positioned in the fourth through hole, the 1/3 at the left end is fixedly connected with the second gear, the upper part and the lower part of the 1/4 at the right end are fixedly connected with a limiting plate, the limiting plate and the third opening groove mutually form 90 degrees, when the contact rod downwards presses the first movable plate, the second gear is driven to rotate 90 degrees anticlockwise, at the moment, the supporting plate rotates 90 degrees, make the line by the vertical ring anticlockwise rotation 90 degrees that the wedge groove was sketched out form the level and detain, make things convenient for passing of reel, thereby realize the knot of navel cord, the rigid coupling has reset spring between the left side right-hand member of T type post and the left connecting block left end, the right-hand member rigid coupling of T type post has the backup pad and the vertical wedge groove that is provided with in left end face rear side of backup pad, the line after conveniently rotating slips off from the wedge inslot under the pulling force, it has first fly leaf and first fly leaf front end face lower part to articulate in the second open slot, spur rack and second gear meshing, be provided with T type through-hole in the middle of the right connecting block, the rigid coupling has the supporting seat on the right connecting block of T type through-hole front end, be provided with the second spout on the right connecting block of rear end and the second spout in the joint have the slide, slide top front end rigid coupling has first solid fixed ring, an umbilical cord knotting device is arranged in the T-shaped through hole and consists of a second rotating shaft, a rotating wheel, a belt, a third rotating shaft, an inner ring, connecting rods, an outer ring, a driving round pin, a fourth rotating shaft, a driven disc, a driven round pin, a first gear, a third gear, a fifth rotating shaft, a sliding seat, a first fixing ring, a reel, a sliding ring, an annular tooth and a fourth gear, the third rotating shaft is inserted in the second through hole, the fourth rotating shaft is inserted in the third through hole and is positioned right above the third rotating shaft, the front end of the third rotating shaft is sleeved with the belt, the other end of the belt is sleeved at the rear end of the second rotating shaft, the second rotating shaft is inserted in the first through hole and is fixedly connected with the rotating wheel at the front end, the upper end of the rotating wheel extends out of a first open slot, the inner ring is fixedly connected in the middle of the third rotating shaft, the outer ring is fixedly connected with a concentric outer ring through the two connecting rods, the outer, the lower end of the driving round pin is fixedly connected to the inner ring and is longer than the radius difference between the outer ring and the inner ring, a driven disc is fixedly connected to a fourth rotating shaft at the right upper end of the outer ring, 10 driven round pins are uniformly and fixedly connected to the edge part near the front side surface of the driven disc and are in sliding connection with the outer side of the outer ring, 2.5 turns of rotation of a rotating wheel are realized, a sliding ring rotates for 1 turn and a blade rotates for 90 degrees, the rear end of the third rotating shaft extends out of a T-shaped through hole and is fixedly connected with a third gear which is meshed with annular teeth fixedly connected to the sliding ring, one sliding ring is arranged above and below the sliding ring, the rear end of each sliding ring is clamped in a first sliding groove, the left lower end of the upper sliding ring penetrates through a supporting plate and is fixedly connected with a reel, the rear end of the fourth rotating shaft is fixedly connected with a first gear, the upper end of the first gear extends out of a T-shaped through hole and is, the fifth rotating shaft at the rear end is provided with a thread line, the rear end of the fifth rotating shaft is inserted into the first fixing ring, the first fixing ring is inserted into the groove, the front end of the fifth rotating shaft is fixedly connected with a cutter rest, the left end of the cutter rest is inserted with a blade and locked through a knob, and a contact rod is fixedly connected above the cutter rest.
Furthermore, the contact rod and the first movable plate are located on the same straight line, the length of the contact rod is equal to the diameter of the upper fixing disc, and therefore the first movable plate is conveniently pressed down to enable the supporting plate to rotate.
Further, the gear transmission ratio of the gear formed by the annular teeth on the two slip rings to the gear of the third gear is 1: 2.5.
The invention has the beneficial effects that: the umbilical cord knotting device is reasonable in structural design, the rotating wheel is rotated clockwise after the umbilical cord is fixed by the fixing clamp to drive the left end reel to rotate anticlockwise along with the sliding ring, the sliding seat slides forwards to take the first fixing ring out of the groove to wind the umbilical cord before knotting, and the umbilical cord is knotted when the first sliding plate is pressed downwards by the contact rod, and meanwhile, the knife rest rotates anticlockwise along with the fifth rotating shaft to cut the umbilical cord synchronously, so that the umbilical cord knotting device is complete in function and convenient to move, and has a good popularization prospect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of an upper fixed disk and a lower fixed disk of the invention.
FIG. 3 is a schematic view of the position of the tool holder of the present invention.
FIG. 4 is a schematic structural view of the umbilical cord knotting apparatus of the present invention.
FIG. 5 is a schematic structural view of a right connecting block of the present invention.
FIG. 6 is a schematic view of the internal structure of the umbilical cord knotting apparatus of the present invention.
FIG. 7 is a schematic view of the internal structure of the left connecting block of the present invention.
FIG. 8 is a schematic view of a connection structure of the first movable plate and the spur rack according to the present invention.
FIG. 9 is a schematic structural diagram of a knotting method according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 9.
As shown in fig. 1 to 9, the umbilical cord knotting device comprises an upper scissors body 1, a first rotating shaft 2, a lower scissors body 3, an umbilical cord knotting device, a knife rest 7, a fixing device, a left connecting block 10, a right connecting block 9 and a rotating device, wherein the upper scissors body 1 is a T-shaped structure which is hollow inside and provided with a first open slot 1-1 at the upper right end, a first through hole 1-2 is formed at the lower end of the first open slot 1-1, the lower scissors body 3 is arranged at the front end of the lower part of the upper scissors body 1 and hinged to the upper right end of the lower scissors body through the first rotating shaft 2, fixing columns 5 are fixedly connected to the right parts of the front end surfaces of the upper scissors body 1 and the lower scissors body 3, a pressure spring 6 is fixedly connected between the two fixing columns 5, the fixing device is fixedly connected to the left ends of the upper scissors body 1 and the lower scissors body 3, and comprises an upper fixing disc 8, a lower fixing disc 8, The thread hole 8-5, the second fixing ring 8-6, the fixing clip 8-7 and the anti-skid thread 8-8, the upper fixing disk 8 and the lower fixing disk 8-1 are semi-circular rings with the same diameter, and are symmetrically arranged in the front and the back, so that on one hand, a visible window is formed to facilitate observation and thread changing, on the other hand, the rotation of the sliding ring 4-17 is ensured to avoid movement interference, the inner sides of the front end surfaces of the upper fixing disk 8 and the lower fixing disk 8-1 on the rear side are both provided with a semi-circular first sliding chute 8-4, the right front end of the upper fixing disk 8 is provided with a groove 8-3, the first fixing ring 4-15 is inserted into the groove 8-3 before use, the thread on the reel 4-16 is sleeved on the first fixing ring 4-15, when in use, the first fixing ring 4-15 slides forwards along with the sliding seat 4, the umbilical cord is wound on a first sliding ring 4-17, a wire slides down under tension, so that the umbilical cord can be hooked before knotting and can be conveniently wound after knotting, fixing clamps 8-7 are fixedly connected to the outer sides of contact points of an upper fixing disk 8 and a lower fixing disk 8-1, anti-skid lines 8-8 are arranged on the fixing clamps 8-7, so that the umbilical cord can be conveniently clamped and fixed, the upper ends of the inner sides of the two lower fixing disks 8-1 are fixedly connected through two arc-shaped connecting blocks 8-2, the left lower ends of the inner sides of the two upper fixing disks 8 are fixedly connected through a left connecting block 10, the right lower ends of the inner sides of the two upper fixing disks 8 are fixedly connected through a right connecting block 9, the left connecting block 10 is an arc-shaped connecting block 8-2 which is hollow and is provided with a second open slot 10-1 at the upper end, a fourth through hole 10, the third opening groove 10-3 is communicated with a fourth through hole 10-2, a rotating device is inserted in the fourth through hole 10-2 and consists of a T-shaped column 12, a limiting plate 12-1, a supporting plate 12-2, a wedge-shaped groove 12-3, a return spring 12-4, a first movable plate 12-5, a straight rack 12-6 and a second gear 12-7, the middle 1/2 of the T-shaped column 12 is positioned in the fourth through hole 10-2, the left end 1/3 is fixedly connected with the second gear 12-7, the right end 1/4 is fixedly connected with a limiting plate 12-1, the limiting plate 12-1 and the third opening groove 10-3 form an angle of 90 degrees with each other, when the first movable plate 12-5 is pressed downwards by the contact rod 7-3, the second gear 12-7 is driven to rotate 90 degrees anticlockwise, at the moment, the support plate 12-2 rotates 90 degrees anticlockwise and moves to the left to be attached to the left connecting block 10 tightly, so that a line is rotated 90 degrees anticlockwise by a vertical ring sketched by the wedge-shaped groove 12-3 to form a horizontal buckle, the reel 4-16 can penetrate conveniently, the knot of an umbilical cord can be realized, a reset spring 12-4 is fixedly connected between the left right end of the T-shaped column 12 and the left end of the left connecting block 10, the right end of the T-shaped column 12 is fixedly connected with the support plate 12-2, the rear side of the left end face of the support plate 12-2 is vertically provided with the wedge-shaped groove 12-3, the rotated line can slide out from the wedge-shaped groove 12-3 under the action of tensile force, the second opening groove 10-1 is internally inserted with a first movable plate 12-5, the lower part of the front end face of the first movable plate 12-5 is hinged with a straight rack, a T-shaped through hole 9-2 is arranged in the middle of the right connecting block 9, a supporting seat 11 is fixedly connected to the right connecting block 9 at the front end of the T-shaped through hole 9-2, a second sliding groove 9-1 is arranged on the right connecting block 9 at the rear end, sliding seats 4-14 are clamped in the second sliding groove 9-1, a first fixing ring 4-15 is fixedly connected to the front end above the sliding seats 4-14, internal threads are arranged in the first fixing ring, an umbilical cord knotting device is arranged in the T-shaped through hole 9-2 and comprises a second rotating shaft 4, a rotating wheel 4-1, a belt 4-2, a third rotating shaft 4-3, an inner ring 4-4, a connecting rod 4-5, an outer ring 4-6, a driving round pin 4-7, a fourth rotating shaft 4-8, a driven disc 4-9 and a driven round pin 4-10, A first gear 4-11, a third gear 4-12, a fifth rotating shaft 4-13, a sliding seat 4-14, a first fixing ring 4-15, a reel 4-16, a slip ring 4-17, an annular tooth 4-18 and a fourth gear 4-19, wherein the third rotating shaft 4-3 is inserted in a second through hole 9-4, the fourth rotating shaft 4-8 is inserted in the third through hole 9-3 and the fourth rotating shaft 4-8 is positioned right above the third rotating shaft 4-3, the front end of the third rotating shaft 4-3 is sleeved with a belt 4-2, the other end of the belt 4-2 is sleeved at the rear end of the second rotating shaft 4, the second rotating shaft 4 is inserted in the first through hole 1-2 and the front end is fixedly connected with a rotating wheel 4-1, the upper end of the rotating wheel 4-1 extends out of the first open slot 1-1, an inner ring 4-4 is fixedly connected in the middle of the third rotating shaft 4-3, a concentric outer ring 4-6 is fixedly connected outside the inner ring 4-4 through two connecting rods 4-5, an 1/10 opening is formed in the outer ring 4-6, a driving round pin 4-7 is arranged at the opening, the lower end of the driving round pin 4-7 is fixedly connected on the inner ring 4-4 and is longer than the radius difference between the outer ring 4-6 and the inner ring 4-4, a driven disc 4-9 is fixedly connected on a fourth rotating shaft 4-8 at the right upper end of the outer ring 4-6, 10 driven round pins 4-10 are uniformly and fixedly connected at the edge part near the front side surface of the driven disc 4-9, the driven round pins 4-10 are in sliding connection with the outer side of the outer ring 4-6, the rotating wheel 4-1 is rotated for 2.5 circles, the sliding ring 4-17 is rotated for 1 circle, and the blade 7-2 is rotated for 90 degrees, a T-shaped through hole 9-2 is extended from the rear end of the third rotating shaft 4-3 to fixedly connect with a third gear 4-12, the third gear 4-12 is meshed with an annular tooth 4-18 fixedly connected on a slip ring 4-17, the slip ring 4-17 is respectively provided with one upper and one lower part, the rear end is clamped in a first sliding chute 8-4, the left lower end of the upper slip ring 4-17 penetrates through a support plate 12-2 to fixedly connect with a reel 4-16, the rear end of the fourth rotating shaft 4-8 is fixedly connected with a first gear 4-11, the upper end of the first gear 4-11 is extended from the T-shaped through hole 9-2 to be meshed with a fourth gear 4-19 fixedly connected in the middle of a fifth rotating shaft 4-13, the fifth rotating shaft 4-13 at the front end of the fourth gear 4-19 is inserted in a support seat 11, the fifth rotating shaft 4-13 at the rear end is provided with a thread line, and the rear end is inserted in a first fixing ring, the first fixing ring 4-15 is inserted in the groove 8-3, the front end of the fifth rotating shaft 4-13 is fixedly connected with a knife rest 7, the left end of the knife rest 7 is inserted with a blade 7-2 and locked by a knob 7-1, and a contact rod 7-3 is fixedly connected above the knife rest 7.
In this embodiment, the contact rod 7-3 and the first movable plate 12-5 are located on the same straight line and have a length equal to the diameter of the upper fixed plate 8, so that the first movable plate 12-5 can be conveniently pressed down to rotate the supporting plate 12-2.
In the embodiment, the two semicircular sliding rings 4-17 are provided with annular teeth 4-18
The gear ratio of the gear consisting of the annular teeth 4-18 on the two slip rings 4-17 to the third gear 4-12 is 1: 2.5.
Before use, the first fixing ring 4-15 is inserted into the groove 8-3, the thread on the reel 4-16 is sleeved on the first fixing ring 4-15 and downwards penetrates through the thread passing hole 8-5 to be fixedly connected to the second fixing ring 8-6, when the umbilical cord winding machine is used, the umbilical cord is fixed by the fixing clamp 8-7, the rotating wheel 4-1 is clockwise rotated, the rotating wheel 4-1 drives the third rotating shaft 4-3 to clockwise rotate through the belt 4-2, the driving round pin 4-7 and the third gear 4-12 on the third rotating shaft 4-3 respectively drive the fourth rotating shaft 4-8 and the sliding ring 4-17 to anticlockwise rotate, the blade 7-2 is further driven to anticlockwise and downwards rotate, the sliding seat 4-14 slides forwards to take the first fixing ring 4-15 out of the groove 8-3 to realize winding before umbilical cord knotting, and the first movable plate 12 is pressed downwards by the contact rod 7-3 5, the second gear 12-7 is driven to rotate 90 degrees anticlockwise, and the support plate 12-2 moves to the left and is tightly attached to the left connecting block 10 after rotating 90 degrees anticlockwise, so that the thread is rotated 90 degrees anticlockwise by the vertical ring outlined by the wedge-shaped groove 12-3 to form a horizontal buckle, the thread winding wheel 4-16 can conveniently pass through the horizontal buckle, and the knot tying of the umbilical cord can be realized.

Claims (3)

1. The utility model provides a clinical navel cord knotter of gynaecology and obstetrics, includes and cuts body, first pivot, cuts body, navel cord knotter, knife rest, fixing device, left connecting block, right connecting block and rotary device down, its characterized in that: the upper shear body is a T structure with a first open slot in the inner hollow part and the upper right end, the lower end of the first open slot is provided with a first through hole, the front end of the lower part of the upper shear body is provided with a lower shear body and the upper right end of the upper shear body is hinged with the lower shear body through a first rotating shaft, the right parts of the front end faces of the upper shear body and the lower shear body are fixedly connected with a fixed column and fixedly connected with a pressure spring between the two fixed columns, the left ends of the upper shear body and the lower shear body are fixedly connected with a fixing device, the fixing device is composed of an upper fixed disc, a lower fixed disc, an arc-shaped connecting block, a groove, a first sliding groove, a threading hole, a second fixing ring, a fixing clamp and anti-skid grains, the upper fixed disc and the lower fixed disc are semicircular rings with the same diameter and are symmetrically arranged front and back, the inner sides of the front end faces of the upper fixed disc and the lower fixed disc on the rear side are provided with a semicircular first sliding groove The upper ends of the inner sides of the two lower fixing discs are fixedly connected through two arc-shaped connecting blocks, the left lower ends of the inner sides of the two upper fixing discs are fixedly connected through a left connecting block, the right lower ends of the inner sides of the two upper fixing discs are fixedly connected through a right connecting block, the left connecting block is an arc-shaped connecting block which is hollow inside and provided with a second open slot at the upper end, a fourth through hole is arranged at the center of the front side of the left connecting block, third open slots are arranged on two sides of the fourth through hole, the third open slots are communicated with the fourth through hole, a rotating device is inserted into the fourth through hole and consists of a T-shaped column, a limiting plate, a supporting plate, a wedge-shaped slot, a reset spring, a first movable plate, a straight rack and a second gear, the middle 1/2 of the T-shaped column is positioned in the fourth through hole, the left end 1/3 of the T, the utility model discloses a solar cell module, including T type post, straight rack, supporting plate, supporting seat, first fly leaf, second open slot, first fixed ring and inside all are provided with internal thread, be provided with navel cord knotting device in the T type through-hole, navel cord knotting device is by second pivot, runner, belt, third pivot, inner ring, connecting rod, outer loop, initiative round pin, fourth pivot, reset spring between the left side right-hand member of T type post and the left connecting block left end, the vertical wedge groove that is provided with in left end face rear side that has backup pad and backup pad of right-hand member rigid coupling of T type post, it has the spur rack to peg graft in first fly leaf and the first fly leaf lower part in the second open slot, be provided with T type through-hole in the middle of the right connecting block, the rigid coupling has the supporting seat on the right connecting block of T type through-hole front end, the driven disc, the driven round pin, the first gear, the third gear, the fifth rotating shaft, the sliding seat, the first fixing ring, the reel, the sliding ring, the annular tooth and the fourth gear, the third rotating shaft is inserted in the second through hole, the fourth rotating shaft is inserted in the third through hole and is positioned right above the third rotating shaft, the front end of the third rotating shaft is sleeved with the belt, the other end of the belt is sleeved at the rear end of the second rotating shaft, the second rotating shaft is inserted in the first through hole, the front end of the second rotating shaft is fixedly connected with the rotating wheel, the upper end of the rotating wheel extends out of the first open slot, the middle of the third rotating shaft is fixedly connected with the inner ring, the outer ring is fixedly connected with the concentric outer ring through two connecting rods, the outer ring is provided with an 1/5 opening, the opening part of the driving round pin is arranged at the opening part, the lower end of the driving round pin is fixedly connected on the inner ring and is longer than, the edge part near the front side of the driven disc is uniformly and fixedly connected with 10 driven round pins which are in sliding connection with the outer side of the outer ring, the rear end of a third rotating shaft extends out of a T-shaped through hole and is fixedly connected with a third gear which is meshed with an annular tooth fixedly connected on a sliding ring, the upper end and the lower end of the sliding ring are respectively provided with one and the rear end is clamped in a first sliding groove, the left lower end of an upper sliding ring penetrates through a supporting plate and is fixedly connected with a reel, the rear end of a fourth rotating shaft is fixedly connected with a first gear, the upper end of the first gear extends out of the T-shaped through hole and is meshed with a fourth gear fixedly connected in the middle of a fifth rotating shaft, the fifth rotating shaft at the front end of the fourth gear is inserted in a supporting seat, the fifth rotating shaft at the rear end is provided with a thread, the rear end is inserted in a first fixing ring, the first fixing ring is inserted in a groove, the front end of the fifth rotating shaft is fixedly, and a contact rod is fixedly connected above the tool rest.
2. The clinical umbilical cord knotter of gynaecology and obstetrics according to claim 1, characterized in that: the contact rod and the first movable plate are located on the same straight line, and the length of the contact rod is equal to the diameter of the upper fixed disc.
3. The clinical umbilical cord knotter of gynaecology and obstetrics according to claim 1, characterized in that: the gear transmission ratio of the gear consisting of the annular teeth on the two slip rings to the gear of the third gear is 1: 2.5.
CN201811103045.6A 2018-09-20 2018-09-20 Clinical navel cord knotter of gynaecology and obstetrics Expired - Fee Related CN109009313B (en)

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CN112890906B (en) * 2018-09-20 2023-04-18 杨丹丹 Clinical navel cord knotter of gynaecology and obstetrics
CN111000610B (en) * 2019-12-23 2022-08-30 郭云霞 Clinical navel cord knotter of gynaecology and obstetrics
CN116763399A (en) * 2022-05-20 2023-09-19 南通林德安全设备科技有限公司 Umbilical cord scissors for collecting umbilical cord blood under negative pressure drive

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