CN211022971U - Closed loop structure convenient for medical care personnel to break away from holding - Google Patents

Abstract

The utility model discloses a closed loop structure that medical personnel of being convenient for in medical instrument field break away from and grip, this kind of closed loop structure include work piece and the handle that is used for gripping, work piece and handle integrated into one piece make, the handle is equipped with one-way opening with thumb's coincidence department, and the opening part articulates there is the arc separation blade, is equipped with the device that opens and shuts that control arc separation blade opened and shut in the handle. Compared with the prior art, the design method combining the opening and the arc-shaped separation blade is adopted in the technical scheme, when medical workers break away from the scissors, the medical workers only need to deform the scissors to the maximum, and the medical workers continuously expand the fingers to drive the arc-shaped separation blade to open and close, so that the fingers and the scissors are separated, the method of separating the fingers by one hand is realized, the other hand which is not used for holding the scissors by the medical workers is liberated while the operation time is saved, and the efficiency is improved.

Description

Closed loop structure convenient for medical care personnel to break away from holding

Technical Field

The utility model belongs to the field of medical equipment, specifically be convenient for medical personnel break away from the closed loop construction who grips.

Background

Surgical scissors (single-jaw scissors) are divided into two major categories, namely tissue scissors and line scissors. The tissue shearing head has a longer round handle, has a straight handle and a bent handle, and is used for separating, dissecting and shearing tissues; the thread scissors are usually blunt direct scissors with a short handle and are used for cutting off sutures, drainage materials, dressings and the like. When in use, the tissue scissors and the thread scissors can not be mixed. The correct posture for clipping is that the thumb and ring finger are respectively buckled with two rings of the scissors handle of the human body, the middle finger is placed on the scissors handle of the ring finger, and the index finger is pressed on the shaft joint to play the role of stabilization and guidance. The mistake that the beginner often made in clipping is to buckle the middle finger into the handle ring, and the wrong clipping method does not have good triangle stabilizing effect, thereby directly influencing the stability of the action.

However, in actual operation, when a medical worker holds the surgical scissors in the holding posture, the surgical scissors (single-jaw scissors) cannot be taken down immediately conveniently, in the taking-down operation, the left hand and the right hand are required to be matched with each other, when the left hand (non-dominant hand) holds other instruments, the instruments need to be placed and then taken down, the operation time is greatly prolonged in the process, meanwhile, certain discomfort is brought to the medical worker, an experienced doctor adopts a palm to wrap the surgical scissors in the actual operation, and controls the holding method for opening and closing the surgical scissors by using the index finger and the middle finger, but the method breaks the stability of a triangle, the medical worker needs to adjust or guide the balance according to the self feeling, and is not suitable for a new surgeon, and meanwhile, the holding method has a violation of operation instruction and can generate certain potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a single-jaw scissors which is convenient for medical care personnel to break away from the holding by a single hand.

In order to achieve the above purpose, the technical solution of the present invention is as follows: closed loop construction convenient to medical personnel break away from and grip, including the handle that keeps silent and be used for gripping of mutual articulated, keep silent and handle body building, the handle is equipped with one-way opening with the coincidence department of ring finger, and the opening part articulates there is the arc separation blade, is equipped with the device that opens and shuts that control arc separation blade opened and shut in the handle.

After the scheme is adopted, the following beneficial effects are realized: 1. compared with the prior art adopting simple closing, the technical scheme adopts the design method combining the opening and the arc-shaped separation blade, when the medical personnel separate the fingers from the closed loop, the medical personnel only need to continuously expand the fingers to drive the arc-shaped separation blade to open and close, so that the separation of the fingers and the scissors is realized, the method of separating by one hand is realized, the operation time is saved, the other hand which is not used for holding the closed loop by the medical personnel is also liberated, and the efficiency is improved.

2. For the prior art that control arc separation blade opened and shut, this technical scheme sets up one-way opening, and arc separation blade extrusion medical personnel finger when avoiding using has promoted the comfort level.

3. Compared with the prior art with improved comfort level, the technical scheme utilizes the arc-shaped blocking piece technology to provide a larger moving range for the fingers of the medical staff.

Further, the device that opens and shuts includes even handle and plectrum, and the one end fixed connection of even handle is in arc-shaped separation blade, and the plectrum is connected to the other end of even handle, it has the spout to open in the handle that arc-shaped separation blade set up, the shape looks adaptation of spout and handle, even handle and spout sliding connection.

For adopting the continuous control closed loop relaxation to the biggest prior art, utilize medical personnel's thumb to stir the plectrum and go upward among this technical scheme, the plectrum that goes upward drives arc separation blade through linking the handle and goes upward until arc separation blade submerges in the handle, the handle production breach this moment, medical personnel pass through the breach release finger, have avoided the closed loop to open the back and have caused the unnecessary fish tail, have also avoided medical personnel's tiger's mouth to receive tearing when opening simultaneously, have improved the security.

Furthermore, the plectrum is located the handle outside, and the plectrum is located medical personnel's thumb's stroke, and the junction of plectrum and handle is opened has curved logical groove, leads to groove and plectrum clearance fit. The shifting piece is provided with a moving space, the locking of the shifting piece is avoided, and the fault tolerance during operation is improved.

Furthermore, a tension spring is arranged at the joint of the shifting piece and the through groove. The shifting piece is convenient to drive the arc-shaped retaining piece to return.

Further, the device that opens and shuts includes button head round pin and torsional spring, and the vertical connection in arc separation blade and opening part of button head round pin has the torsional spring to twine between arc separation blade and the button head round pin. The round-head pin is movably connected with the arc-shaped separation blade, so that the processing technology is reduced, and meanwhile, the torsion spring is utilized to drive the arc-shaped separation blade to return, so that the floor area of the closed-loop device in a loose state is reduced.

Further, the shape of arc separation blade is anastomotic each other with the radian of handle, and the free end of arc separation blade has the lug, and the handle surface is equipped with the die with lug shape adaptation, the die is sealed towards the inside one end of handle, the die is open towards the outside one end of handle. Through the adaptation of lug and die, realize one-way upset, the arc extrudees medical personnel's finger when avoiding the closed loop outside to receive the striking.

Furthermore, the connection part of the arc-shaped baffle and the opening is provided with an inward-turning rolling opening. Reduce the acute angle degree of junction, realize the flexonics of arc separation blade and medical personnel's finger, avoid medical personnel's finger to receive the fish tail.

Further, the workpiece is a single-jaw shear.

Further, the workpiece is a needle holder.

Drawings

Fig. 1 is a top view of a structure according to a first embodiment of the present invention;

FIG. 2 is an enlarged view of the left hand handle of FIG. 1;

FIG. 3 is a full sectional view of FIG. 2;

fig. 4 is a top view of the second embodiment of the present invention;

FIG. 5 is an enlarged view of the left hand handle of FIG. 4;

FIG. 6 is a structural view of the third embodiment.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the needle holder comprises a jaw 1, a handle 2, an arc-shaped blocking piece 3, a connecting handle 4, a shifting piece 5, a through groove 6, a tension spring 7, a round-head pin 8, a torsion spring 9, a convex block 10, a winding opening 11 and a needle holder 12.

The first embodiment is as follows:

an embodiment substantially as shown in figure 1: closed loop construction convenient to medical personnel break away from the gripping, the work piece that closed loop construction connects is single mouthful of scissors, and this kind of single mouthful of scissors includes 1 and the handle 2 that is used for gripping of keeping silent articulated each other, keeps silent 1 and handle 2 an organic whole manufacturing, and handle 2 has one-way opening with the processing of coincidence department of ring finger, and the opening part articulates there is arc separation blade 3, and it has the spout, the shape looks adaptation of spout and handle 2 to open in the handle 2 that arc separation blade 3 set up.

Please refer to fig. 2 and 3, the opening and closing device for controlling the opening and closing of the arc-shaped blocking piece 3 is installed in the chute, the opening and closing device comprises a connecting handle 4 and a shifting piece 5, the connecting handle 4 is connected with the chute in a sliding manner, one end of the connecting handle 4 is fixedly connected with the arc-shaped blocking piece 3, the shifting piece 5 is connected with the other end of the connecting handle 4, the shifting piece 5 is located outside the handle 2, the shifting piece 5 is located in the stroke of the thumb of the medical staff, a curved through groove 6 is formed at the joint of the shifting piece 5 and the handle 2, the through groove 6 is in clearance fit with the shifting piece 5, and a tension spring 7 is installed at the joint of the.

The specific implementation process is as follows: when medical personnel prepare to break away from the single-jaw scissors and change surgical instruments, at first medical personnel utilize the thumb that grips the single-jaw scissors to stir plectrum 5, receive stirring plectrum 5 and drive arc separation blade 3 through linking handle 4 and go upward until arc separation blade 3 does not immerse in handle 2, handle 2 produces the breach this moment, and medical personnel passes through the breach and releases the ring finger, and medical personnel support the ring finger in handle 2 department downward application of force afterwards, breaks away from until thumb and handle 2. Realizes the separation of a single hand, saves the operation time, simultaneously liberates the other hand of the medical care personnel which does not hold the scissors, and improves the efficiency.

After medical personnel and single mouthful of scissors break away from, because pull plate 5 installs extension spring 7 with the junction that leads to groove 6, pull plate 5 stirs back extension spring 7 and is compressed, and extension spring 7 produces the restoring force this moment, and extension spring 7 after the reply drives the connecting rod in proper order and breathes the separation blade return, and the opening at single mouthful of scissors handle 2 positions is blocked by 3 blocks of arc separation blade this moment, avoids the metalwork of opening part to cause the fish tail effect to medical personnel.

Example two

Referring to fig. 4, the difference between the first embodiment and the second embodiment is that the opening and closing device of the present embodiment includes a round-head pin 8 and a torsion spring 9, the round-head pin 8 is vertically hinged to the arc-shaped baffle 3 and the opening, and the torsion spring 9 is wound between the arc-shaped baffle 3 and the round-head pin 8.

Referring to fig. 5, the shape of the arc-shaped blocking piece 3 is matched with the radian of the handle 2, the free end of the arc-shaped blocking piece 3 is provided with a convex block 10, the surface of the handle 2 is provided with a concave die matched with the shape of the convex block 10, one end of the concave die facing the inside of the handle 2 is closed, one end of the concave die facing the outside of the handle 2 is open, and the joint of the arc-shaped blocking piece 3 and the opening is provided with an inward-turned rolling opening 11.

The specific implementation process is as follows: when medical personnel breaks away from finger and scissors, only need to deform the scissors to the biggest time, medical personnel continuously expand the finger outward and open and shut in order to drive arc separation blade 3, arc separation blade 3 uses button head round pin 8 to outwards rotate as the fulcrum this moment, break away from the contact until medical personnel's ring finger upset arc separation blade 3 when 3 lugs 10 of arc separation blade and die, accomplish and break away from.

Because torsional spring 9's interpolation, so medical personnel torsional spring 9 produces the resistance to the thumb when using, avoids cuting that in-process arc separation blade 3 turns up, causes dropping of single-jaw scissors, and arc separation blade 3 has the book mouth 11 of enstrophe simultaneously, so medical personnel reduce the acute angle degree of junction when using, realizes the flexible contact of arc separation blade 3 and medical personnel finger, avoids medical personnel finger to receive the fish tail.

EXAMPLE III

Referring to fig. 6, the difference between the present embodiment and the above embodiments is that the workpiece connected by the closed-loop structure is a needle holder. The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. Closed loop construction convenient to medical personnel break away from and grip, its characterized in that: the finger ring opening device comprises a workpiece and a handle used for holding, wherein the workpiece and the handle are integrally manufactured, a one-way opening is formed in the overlapping position of the handle and a ring finger, an arc-shaped separation blade is hinged to the opening, and an opening and closing device used for controlling the arc-shaped separation blade to open and close is arranged in the handle.

2. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 1, wherein: the opening and closing device comprises a connecting handle and a shifting piece, one end of the connecting handle is fixedly connected to the arc-shaped blocking piece, the other end of the connecting handle is connected with the shifting piece, a sliding groove is formed in a handle arranged on the arc-shaped blocking piece, the sliding groove is matched with the handle in shape, and the connecting handle is in sliding connection with the sliding groove.

3. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 2, wherein: the plectrum is located the handle outside, and the plectrum is located medical personnel's thumb's stroke, and the junction of plectrum and handle is opened has the logical groove of curved formula, leads to groove and plectrum clearance fit.

4. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 3, wherein: the connection part of the shifting piece and the through groove is provided with a tension spring.

5. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 1, wherein: the opening and closing device comprises a round-head pin and a torsion spring, the round-head pin is vertically connected to the arc-shaped separation blade and the opening, and the torsion spring is wound between the arc-shaped separation blade and the round-head pin.

6. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 5, wherein: the shape of arc separation blade and the radian of handle coincide each other, and the free end of arc separation blade has the lug, and the handle surface is equipped with the die with lug shape adaptation, the die is sealed towards the inside one end of handle, the die is open towards the outside one end of handle.

7. The closed loop configuration for facilitating disengagement of a medical professional from a grip of claim 6, wherein: the connection part of the arc-shaped blocking piece and the opening is provided with an inward-turning rolling opening.

8. A closed loop configuration for facilitating disengagement of a medical professional from a grip according to any of claims 1-7, wherein: the workpiece is a single-jaw shear.

9. A closed loop configuration for facilitating disengagement of a medical professional from a grip according to any of claims 1-7, wherein: the workpiece is a needle holder.

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