CN109288551A

CN109288551A - A kind of anti-stab solid suture needle of automatic telescopic

Info

Publication number: CN109288551A
Application number: CN201811183184.4A
Authority: CN
Inventors: 叶俊杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2019-02-01

Abstract

The invention discloses a kind of anti-stab solid suture needles of automatic telescopic, including needle tubing, needle point and inner core, the needle tubing is crescent shape structure, and cavity open at one end is set inside needle tubing, the section of the needle tubing and the section of syringe intracavity are circle, blind hole is arranged in the closed one end end of needle tubing internal cavities, cotton thread is filled in inside the blind hole, and the cavity inside of needle tubing is coupled inner core, the inner core is solid crescent shape structure, and the radian of inner core is identical as needle tubing, needle point is fixedly installed close to one end end that needle tubing is open in the inner core, and arc groove is arranged in the other end intrados of inner core, along the direction of needle tubing radius of the radian, compression leg is pressed in setting inside the arc groove, the anti-stab solid suture needle of this automatic telescopic is by the way of needle tubing installation nested with inner core, needle point is set to take in inside needle tubing automatically, effectively avoid needle point Stab operator.

Description

A kind of anti-stab solid suture needle of automatic telescopic

Technical field

The present invention relates to the field of medical instrument technology, specially a kind of anti-stab solid suture needle of automatic telescopic.

Background technique

Each surgeon must reach over to suture needle, various suture needle in operation, and suture needle is commonly disposable solid It is accidentally injured when all-metal material, doctor and nurse's suture needle or when suture needle surprisingly falls off (flying needle), the probability stabbed by suture needle is very It is high；It is stabbed by suture needle and medical staff is brought greatly when performing the operation for some Infectious especially for infectious hospital Injury；By taking orthopaedics as an example, the patients surgeries such as orthopedist HIV, tuberculosis, tumour have exposure often, and mostly needle is stabbed, and health Situation is seriously threatened；

Thus occur protection consumptive material of some upgradings, including Anti-cut Gloves, anti-stab suture needle etc. on the market；But Anti-cut Gloves Mainly add some coatings or thickening in glove surface, mainly to prevent being segmented into master, does not have anti-stab effect, needle thorn still can It penetrates；And anti-stab suture needle, majority are the more common suture needle needle point round blunt of suture needle needle point, anti-stab effect is limited, same to be very easy to Stab gloves skin.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of anti-stab solid seam of automatic telescopic Needle is made needle point when needing to suture, popped up inside needle tubing, completed suture, be not required to by the way of needle tubing installation nested with inner core When suturing or surprisingly falling off, it can take in inside needle tubing automatically, effectively avoid needle pricks operator, can effectively solve to carry on the back The problems in scape technology, medical worker can smoothly complete puncture or suture, and can lower the possibility that exposure is accidentally injured in suture needle.

To achieve the above object, the invention provides the following technical scheme: a kind of anti-stab solid suture needle of automatic telescopic, including Needle tubing, needle point and inner core, the needle tubing is crescent shape structure, and cavity open at one end is arranged inside needle tubing, the needle tubing Section and the section of syringe intracavity are circle, and blind hole, the blind hole is arranged in the closed one end end of needle tubing internal cavities Cotton thread is filled in inside, and the cavity inside of needle tubing is coupled inner core, and the inner core is solid crescent shape structure, and the arc of inner core Degree is identical as needle tubing, and needle point, and the other end intrados of inner core is fixedly installed close to one end end that needle tubing is open in the inner core Arc groove is set, is arranged inside the arc groove along the direction of needle tubing radius of the radian and presses compression leg, the intrados surface of the needle tubing Arc groove is set, and through-hole, the through-hole that arc trench bottom is run through by compression leg is arranged in the arc trench bottom, and the inner core opens up There is one end end of arc groove to connect by the cavity inner end wall of spring and needle tubing.

As a preferred technical solution of the present invention, the arc groove of the inner core is unilateral arc groove, the arc groove Side depth close to inner core end is greater than the other side.

As a preferred technical solution of the present invention, the compression leg of pressing is rectangular column, the through-hole of the needle tubing intrados For rectangular through-hole, the rectangular through-hole by compression leg and needle tubing intrados is coupled, and is arc by the bottom end face of compression leg Face, and the radian for pressing column bottom arcwall face is identical as the arcwall face radian of the arc groove of inner core.

Compared with prior art, the beneficial effects of the present invention are: the anti-stab solid suture needle shape of this automatic telescopic and general Solid suture needle it is similar, with common needle holder i.e. can allow operation, be not necessarily to special operation tool, operability is good, and is convenient for It uses, while in puncture process, what needle holder pressed rear end presses compression leg, enables needle point automatic spring, facilitates puncture, when wearing Thorn terminates, and when carrying out out needle, knotting or needle and surprisingly falling off, needle point can effectively be avoided in needle out inside automatic retracted to needle tubing Operator is stabbed in the process with knotting.

Detailed description of the invention

Fig. 1 is cross-sectional view of the present invention；

Fig. 2 is enlarged drawing at A of the present invention；

Fig. 3 is needle tip retracts status diagram of the present invention.

In figure: compression leg, 4 blind holes, 5 inner cores, 6 springs are pressed in 1 needle tubing, 2 needle points, 3.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of anti-stab solid suture needle of automatic telescopic, including needle Pipe 1, needle point 2 and inner core 5, needle tubing 1 is crescent shape structure, and cavity open at one end is arranged inside needle tubing 1, the section of needle tubing 1 Section with 1 inner cavity of needle tubing is circle, and the closed one end end of 1 internal cavities of needle tubing is arranged blind hole 4, inside the blind hole 4 Fill in cotton thread, and the cavity inside of needle tubing 1 is coupled inner core 5, inner core 5 is solid crescent shape structure, and the radian of inner core 5 with Needle tubing 1 is identical, and needle point 2 is fixedly installed close to one end end that needle tubing 1 is open in inner core 5, and the other end intrados of inner core 5 is set Arc groove is set, is arranged inside arc groove along the direction of 1 radius of the radian of needle tubing and presses compression leg 3, the intrados surface of the needle tubing 1 is arranged Through-hole, the through-hole that arc trench bottom is run through by compression leg 3 is arranged in arc groove, the arc trench bottom, and inner core 5 offers arc One end end of shape slot is connect by spring 6 with the cavity inner end wall of needle tubing 1；

The arc groove of inner core 5 is unilateral arc groove, and side depth of the arc groove close to 5 end of inner core is greater than the other side；

It is rectangular column by compression leg 3, the through-hole of 1 intrados of needle tubing is rectangular through-hole, by the square of compression leg 3 and 1 intrados of needle tubing Shape through-hole is coupled, and effectively prevent rotating during the depression process by compression leg 3, and is arc by the bottom end face of compression leg 3 Face, and identical with the arcwall face radian of the arc groove of inner core 5 by the radian of 3 bottom arcwall face of compression leg, increase by 3 lower end of compression leg and The contact surface of 5 arc groove of inner core guarantees the stability of inner core 5 after pressing；

When in use: the right hand holds needle holder, and needle holder clamping is pressed 3 position of compression leg, will be pushed by compression leg 3, by compression leg 3 The radian face of the arc groove of lower end surface and inner core 5 interacts, and inner core 5 is driven to move out, so that needle point 2 is made to expose needle tubing 1, It is punctured in the case where holding needle-shaped state, sutures tissue, after the completion of puncture, needle holder, which unclamps, presses compression leg 3, effect of the inner core 5 in spring 6 Lower reset, needle point 2 bounces back to inside needle tubing 1 at this time, and needle holder clamping 1 middle-end of needle tubing carries out out needle, the last left hand needle right hand Coiling knots, and completes the suture of tissue, and during needle out and knotting, needle point 2 inside needle tubing 1, effectively avoids piercing always Wound；

And in use, needle point 2 can use various needle points, including angular pin and round needle, seam according to the demand of suture Line similarly cooperates various sutures, and needlework one is disposable.

Shape of the present invention is similar to general solid suture needle, can allow operation with common needle holder, is not necessarily to special behaviour Make tool, operability is good, and is easy to use, while in puncture process, and compression leg 3 is pressed in needle holder pressing rear end, makes needle point 2 Can automatic spring, facilitate puncture, when puncture terminates, when carrying out out needle, knotting or needle and surprisingly falling off, needle point 2 can return automatically It is reduced to inside needle tubing 1, effectively avoids stabbing operator during needle out and knotting；

For the present invention in addition to can be applied on sewing needle, the identical operation about puncture can be used for opening for associated interventional needle Hair, such as some passage-opening awls of bone surgery, pilot pin, but invention at present is served only for solid needle, but estimation can develop in the future Related hollow needle, can be widely applied to medically.And manufacturing process of the present invention is simple, material is cheap, demand is big, universal Property is wide.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of anti-stab solid suture needle of automatic telescopic, including needle tubing (1), needle point (2) and inner core (5), it is characterised in that: described Needle tubing (1) is crescent shape structure, and cavity open at one end, the section of the needle tubing (1) and needle tubing are arranged inside needle tubing (1) (1) section of inner cavity is circle, closed one end end setting blind hole (4) of needle tubing (1) internal cavities, the blind hole (4) internal to fill in cotton thread, and the cavity inside of needle tubing (1) is coupled inner core (5), the inner core (5) is solid crescent shape knot Structure, and the radian of inner core (5) is identical as needle tubing (1), one end end fixed setting of the inner core (5) close to needle tubing (1) opening Needle point (2), and arc groove is arranged in the other end intrados of inner core (5), along the side of needle tubing (1) radius of the radian inside the arc groove Compression leg (3) are pressed to setting, arc groove is arranged in the intrados surface of the needle tubing (1), and through-hole is arranged in the arc trench bottom, described Run through the through-hole of arc trench bottom by compression leg (3), the inner core (5) offer one end end of arc groove by spring (6) with The cavity inner end wall of needle tubing (1) connects.

2. the anti-stab solid suture needle of a kind of automatic telescopic according to claim 1, it is characterised in that: the inner core (5) Arc groove is unilateral arc groove, and side depth of the arc groove close to inner core (5) end is greater than the other side.

3. the anti-stab solid suture needle of a kind of automatic telescopic according to claim 1, it is characterised in that: described to press compression leg (3) For rectangular column, the through-hole of needle tubing (1) intrados is rectangular through-hole, the rectangle by compression leg (3) and needle tubing (1) intrados Through-hole is coupled, and is arcwall face by the bottom end face of compression leg (3), and press the radian and inner core of compression leg (3) bottom arcwall face (5) the arcwall face radian of arc groove is identical.