CN210019354U

CN210019354U - Improved needle holder

Info

Publication number: CN210019354U
Application number: CN201920128162.1U
Authority: CN
Inventors: 吕坤芳
Original assignee: Chinese PLA General Hospital
Current assignee: Chinese PLA General Hospital
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2020-02-07
Anticipated expiration: 2029-01-24

Abstract

The utility model provides an improved needle holder, this improved needle holder includes the sleeve, the top of sleeve is equipped with the blood taking needle connecting seat, the surface of blood taking needle connecting seat is equipped with handheld ear seat, the blood taking needle connecting seat has seted up the card pinhole, the lateral wall of sleeve is equipped with the clamp plate, fixed chamber and connecting rod, the lateral wall of fixed chamber has seted up first connecting rod through-hole, connecting rod one end is passed through first connecting rod through-hole and is stretched into fixed chamber, the other end is connected with first slider, set up second connecting rod through-hole on the lateral wall of clamp plate, second connecting rod through-hole intercommunication has first spout, the connecting rod is connected with horizontal dead lever, the both ends of dead lever are seted up flutedly, the recess is connected with first spring, the dog, fixture block and first branch by interior fixedly, both sides wall all is equipped with branch through; the utility model provides a needle holder can adjust the inclination between sleeve and the clamp plate, can the clamp plate support on patient's skin after the puncture is successful, keeps relatively stable.

Description

Improved needle holder

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an improved needle holder.

Background

The method is a common medical practice, and the health condition or the etiology of a detected object such as a human being is analyzed and judged through blood testing, so that blood of the detected object needs to be collected through a blood collecting device.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides an improved needle holder. The utility model discloses specific technical scheme as follows:

the utility model provides an improved needle holder, which comprises a sleeve, a blood taking needle connecting seat is arranged at the top end of the sleeve, an opening is arranged at the bottom end, symmetrical hand-held ear seats are vertically arranged at the front side and the rear side of the outer surface of the blood taking needle connecting seat, a needle clamping hole is arranged at the left side of the blood taking needle connecting seat, an angle regulator is arranged on the outer side wall of the sleeve and comprises a pressing plate rotationally connected with the top end of the outer side wall of the sleeve through a horizontal rotating shaft, a fixed cavity fixedly connected with the outer side wall of the sleeve and a connecting rod arranged between the pressing plate and the fixed cavity, a first connecting rod through hole is arranged on the side wall of the fixed cavity far away from the sleeve, one end of the connecting rod extends into the fixed cavity through the first connecting rod through hole, a first sliding block is fixedly connected with the other end of the connecting rod, a second connecting rod through hole for, card pinhole and clamp plate lie in the same one side of two handheld ear seats, the connecting rod stretches into the perpendicular fixed connection of one end in fixed chamber has the horizontally dead lever, the both ends of dead lever are seted up flutedly respectively, the recess is from inside to outside first spring of fixedly connected with in proper order, the dog, fixture block and first branch, two lateral walls all are equipped with the fixture block that supplies first branch up-and-down motion's branch to pass through mouthful and a plurality of and branch to be linked together through mouthful around the fixed chamber, the length of dog is greater than the length that the fixture block passes through mouthful.

Further improvement, the card pinhole includes card needle through-hole 35 and the pop-up opening that communicates each other, pop-up open-ended lateral wall fixedly connected with second spring, the flexible direction of second spring passes through the hole center of card needle through-hole 35, the free end of second spring is equipped with the second slider, the second slider passes through second branch fixedly connected with chucking piece, chucking piece contacts with the lateral wall of the blood taking needle connecting seat that card needle through-hole 35 corresponds when the second spring diastole, the lateral wall of blood taking needle connecting seat is equipped with the second spout with second slider matched with, form the card hole that is used for fixed blood taking needle between card needle through-hole and the chucking piece.

Further improvement, the support of two symmetries of the perpendicular fixedly connected with in both sides around the surface of blood taking needle connecting seat, the screw has all been seted up to the end of two supports, and equal threaded connection has the screw rod in two screw rods, the fixed cover of fixedly connected with magnifying glass between two screw rods, is fixed with the magnifying glass in the fixed cover of magnifying glass.

Further improvement, the outer side walls of the two handheld ear seats are provided with handheld grooves, and rough surfaces are arranged in the handheld grooves.

The utility model has the advantages as follows: the utility model provides an inclination between improved formula needle holder adjusting sleeve and the clamp plate, the nurse can adjust the clamp plate to the angle that is fit for oneself according to the custom of oneself, can the clamp plate support on patient's skin after the puncture is successful, makes it keep relatively stable.

Drawings

FIG. 1 is a schematic structural view of an improved needle holder according to embodiment 1;

FIG. 2 is a partial sectional view of the improved needle holder of embodiment 1;

FIG. 3 is a schematic view showing the structure of the lancet connecting holder of embodiment 2;

FIG. 4 is a schematic view showing the structure of the lancet connecting holder according to embodiment 3;

fig. 5 is a schematic structural view of the lancet connecting holder according to embodiment 4.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings.

Example 1

Embodiment 1 provides an improved needle holder, as shown in fig. 1 and 2, the improved needle holder comprises a sleeve 1, a blood taking needle connecting seat 2 is arranged at the top end of the sleeve 1, an opening 3 is arranged at the bottom end of the sleeve, symmetrical handheld ear seats 4 are vertically arranged at the front side and the rear side of the outer surface of the blood taking needle connecting seat 2, a needle clamping hole 5 is formed in the left side of the blood taking needle connecting seat 2, an angle adjuster is arranged on the outer side wall of the sleeve 1, the angle adjuster comprises a pressing plate 6 rotatably connected with the top end of the outer side wall of the sleeve 1 through a horizontal rotating shaft, a fixed cavity 7 fixedly connected with the outer side wall of the sleeve 1 and a connecting rod 8 arranged between the pressing plate 6 and the fixed cavity 7, a first connecting rod passing port 9 is formed in the side wall of the fixed cavity 7 far away from the sleeve 1, one end of the connecting rod 8 extends into the fixed cavity 7 through the first connecting rod passing port 9, a first, a first sliding groove 12 matched with the first sliding block 10 is inwards communicated with the second connecting rod through hole 11, the clamping needle hole 5 and the pressing plate 6 are positioned at the same side of the two handheld lug seats 4, one end of the connecting rod 8 extending into the fixed cavity 7 is vertically and fixedly connected with a horizontal fixed rod 13, two ends of the fixed rod 13 are respectively provided with a groove 14, the grooves 14 are sequentially and fixedly connected with a first spring 15, a stop block 16, a clamping block 17 and a first supporting rod 18 from inside to outside, a supporting rod through hole 19 for the first supporting rod 18 to move up and down and a plurality of clamping block through holes 20 communicated with the supporting rod through hole 19 are respectively arranged on the front side wall and the rear side wall of the fixed cavity 7, and the length of the stop block 16 is greater than that of the;

the sleeve and the blood taking needle connecting seat are fixedly connected in a mode including but not limited to integral forming and bonding, the open end is used for connecting a vacuum blood taking tube, and the sleeve and the blood taking needle connecting seat can be arranged into a structure matched and connected with the vacuum blood taking tube according to needs; the fixed connection mode of the hand-held ear seat and the blood taking needle connecting seat comprises but is not limited to integral forming and bonding, the needle clamping hole can adopt any mode capable of clamping the blood taking needle, such as screw connection, clamping connection and the like, the present application is not particularly limited, the fixing cavity is fixedly connected with the outer side wall of the sleeve by means of bonding and the like, the first slider is preferably spherical, the connecting manner of the connecting rod and the fixing rod includes but is not limited to bonding, the connecting manner between the first spring, the stop block, the fixture block and the first clamping rod includes but is not limited to bonding, the sum of the compressed length of the first spring, the thickness of the stop block and the thickness of the fixture block is less than the distance from the bottom surface of the groove to the inner side wall of the sleeve, the thickness of the stop block and the clamping block refers to the length of the stop block and the clamping block along the telescopic direction of the first spring, the clamping block group is large enough not to pass through the support rod passing opening, and the first spring has enough elastic coefficient to press the stop plate on the inner side wall of the fixing cavity when the first spring is in relaxation; the utility model discloses an above setting, can adjust medical staff's needle insertion angle before the needle insertion, need not to advance the needle at every turn and all adjust an angle, and only need hand sleeve can keep the needle insertion angle after the needle insertion, during the use, hold the sleeve lateral wall on the other hand, forefinger and thumb on the other hand hold between fingers two first branches respectively, and break away from the fixture block through the mouth to two fixture blocks hard relatively, can adjust dead lever to suitable position this moment, loosen two fingers, make two fixture block card income corresponding fixture block pass through in, the tension of first spring presses the inside wall at fixed chamber with the dog, the firm card of fixture block is in the fixture block pass through mouth, can install the blood taking needle this moment, puncture patient's blood vessel, after the success puncture, continue to paste the clamp plate on patient's skin, medical staff only need one hand sleeve can.

Example 2

Embodiment 2 provides an improved needle holder, which is different from embodiment 1 in that, as shown in fig. 3, a needle clamping hole 5 includes a needle clamping through hole 35 and an ejection opening 21 that are communicated with each other, a second spring 22 is fixedly connected to a side wall of the ejection opening 21, a stretching direction of the second spring 22 passes through a hole center of the needle clamping through hole 35, a second slider 23 is arranged at a free end of the second spring 22, the second slider 23 is fixedly connected with a clamping block 25 through a second support rod 24, the clamping block 25 contacts with a side wall of the blood taking needle connecting seat 2 corresponding to the needle clamping through hole 35 when the second spring 22 is relaxed, a second chute 26 matched with the second slider 23 is arranged on the side wall of the blood taking needle connecting seat 2, and a clamping hole for fixing a blood taking needle is formed between the needle clamping through hole and the clamping block 25; the side wall of the blood taking needle connecting seat corresponding to one end, far away from the needle clamping hole, of the ejection opening is fixedly connected with a second spring, the second spring has enough elastic coefficient to press the clamping block at the needle clamping through hole, and the elastic coefficient of the second spring is large enough to enable the clamping block and the clamping through hole formed by the needle clamping through hole to firmly clamp the blood taking needle and cannot be loosened due to puncture; this use is novel through above setting, make medical staff can singlehanded blood taking needle after taking off the blood sampling, use the preceding one hand with the second slider to keeping away from the slip of card pinhole direction, the second spring compression this moment, the lateral wall phase separation of the blood taking needle connecting seat that chucking piece and card pinhole correspond stretches into the blood taking needle, the pine hand, can be with the blood taking needle card solid, finish when the blood sampling, medical staff takes off the back with the pinhole heparin tube, the singlehanded slides the second slider to keeping away from card pinhole direction, overturn the sleeve to the opening up, can make the blood taking needle freely fall body and drop.

Example 3

Embodiment 3 provides an improved needle holder, which is different from embodiment 2 in that, as shown in fig. 4, two symmetrical brackets 28 are vertically and fixedly connected to the front side and the rear side of the outer surface of the blood taking needle connecting seat 2, screw holes 29 are respectively formed at the tail ends of the two brackets 28, screw rods 30 are respectively in threaded connection in the two screw holes 29, a magnifying lens fixing sleeve 31 is fixedly connected between the two screw rods 30, and a magnifying lens 32 is fixedly arranged in the magnifying lens fixing sleeve 31; the fixing mode of the outer surface of the bracket and the blood taking needle connecting seat comprises but is not limited to integral forming and bonding, the fixing connection mode of the two screws and the magnifying glass fixing sleeve comprises but is not limited to bonding, and the fixing connection mode of the magnifying glass and the magnifying glass fixing sleeve comprises but is not limited to clamping; the utility model discloses an above setting, can be when medical staff advances the needle, enlarge blood vessel and the blood sampling syringe needle that need the position of inserting the needle through the magnifying glass, insert the needle more easily.

Example 4

Embodiment 4 provides an improved needle holder, which is different from embodiment 1 in that, as shown in fig. 5, the outer side walls of two hand-held ear seats 4 are both provided with a hand-held groove 33, and a rough surface 34 is arranged in the hand-held groove 33; wherein, the rough surface includes but is not limited to scratch, grid line, etc.; the utility model discloses an above setting can improve the frictional force between medical staff's hand and the handheld ear seat.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. An improved needle holder comprises a sleeve (1), wherein a blood taking needle connecting seat (2) is arranged at the top end of the sleeve (1), an opening (3) is formed in the bottom end of the sleeve, symmetrical handheld ear seats (4) are vertically arranged on the front side and the rear side of the outer surface of the blood taking needle connecting seat (2), a clamping needle hole (5) is formed in the left side of the blood taking needle connecting seat (2), the improved needle holder is characterized in that an angle regulator is arranged on the outer side wall of the sleeve (1), the angle regulator comprises a pressing plate (6) rotatably connected with the top end of the outer side wall of the sleeve (1) through a horizontal rotating shaft, a fixed cavity (7) fixedly connected with the outer side wall of the sleeve (1) and a connecting rod (8) arranged between the pressing plate (6) and the fixed cavity (7), the fixed cavity (7) is far away from the side wall of the sleeve (1), one end of the connecting rod (8) extends into the fixed cavity (7) through the first connecting rod through hole (9), the other end of the connecting rod (8) is fixedly connected with a first sliding block (10), a second connecting rod through hole (11) for the connecting rod (8) to move up and down is formed in the side wall of the pressing plate (6), the second connecting rod through hole (11) is communicated inwards with a first sliding groove (12) matched with the first sliding block (10), the clamping pin hole (5) and the pressing plate (6) are located on the same side of the two handheld ear seats (4), one end, extending into the fixed cavity (7), of the connecting rod (8) is vertically and fixedly connected with a horizontal fixed rod (13), grooves (14) are formed in two ends of the fixed rod (13) respectively, and the grooves (14) are fixedly connected with a first spring (15), a stop block (16), a clamping block (17) and a first supporting rod (18) from inside to outside in sequence, two lateral walls all are equipped with confession around fixed chamber (7) first branch (18) up-and-down motion's branch through-hole (19) and a plurality of with fixture block through-hole (20) that branch through-hole (19) are linked together, the length of dog (16) is greater than the length of fixture block through-hole (20).

2. The improved needle holder according to claim 1, characterized in that the needle-engaging hole (5) comprises a needle-engaging through hole (35) and an ejection opening (21) communicating with each other, the side wall of the pop-up opening (21) is fixedly connected with a second spring (22), the telescopic direction of the second spring (22) passes through the hole center of the needle clamping through hole (35), a second sliding block (23) is arranged at the free end of the second spring (22), the second sliding block (23) is fixedly connected with a clamping block (25) through a second supporting rod (24), when the second spring (22) is expanded, the clamping block (25) is contacted with the side wall of the blood taking needle connecting seat (2) corresponding to the needle clamping through hole (35), the side wall of the blood taking needle connecting seat (2) is provided with a second sliding chute (26) matched with the second sliding block (23), a clamping hole for fixing the blood taking needle is formed between the clamping needle through hole (35) and the clamping block (25).

3. The improved needle holder according to claim 1, characterized in that the front and back sides of the outer surface of the blood collection needle connecting seat (2) are vertically and fixedly connected with two symmetrical brackets (28), the ends of the two brackets (28) are respectively provided with a screw hole (29), the two screw holes (29) are internally and respectively in threaded connection with a screw rod (30), a magnifying lens fixing sleeve (31) is fixedly connected between the two screw rods (30), and a magnifying lens (32) is fixedly arranged in the magnifying lens fixing sleeve (31).

4. The improved needle holder according to claim 1, characterized in that the outer side walls of the two hand-held ear seats (4) are respectively provided with a hand-held groove (33), and a rough surface (34) is arranged in the hand-held groove (33).