阅读说明：本技术 一种小儿颈外静脉采血固定装置 (children's external jugular vein blood sampling fixing device ) 是由 赵丹丹 王莹 王海燕 于 2019-09-10 设计创作，主要内容包括：本发明提供一种小儿颈外静脉采血固定装置,涉及医疗设备技术领域。该小儿颈外静脉采血固定装置,包括支撑项圈,所述支撑项圈的中间固定连接有波纹板,所述支撑项圈的左侧开设有缺口,所述缺口的左右两侧固定安装有连接杆,所述连接杆的内侧开设有第一锯齿,所述连接杆的外围套设有套板,所述套板的内部转动连接有齿轮,所述齿轮的中心固定安装有第一旋钮。该小儿颈外静脉采血固定装置,能够对患者的颈部进行支撑,使得患者的颈部不会发生弯曲和转动,从而降低了进针难度,提高了采血的成功率,摒弃了传统的使患者啼哭的方式,使患者的颈静脉能够充分显露,有利于采血的进行,减轻了患者的痛苦。(The invention provides a fixing device for taking blood from an external jugular vein of an infant, and relates to the technical field of medical equipment. This external jugular vein blood sampling fixing device of child, including supporting the neck ring, the middle fixedly connected with buckled plate of support neck ring, the left side of supporting the neck ring is seted up jaggedly, the left and right sides fixed mounting of breach has the connecting rod, first sawtooth has been seted up to the inboard of connecting rod, the peripheral cover of connecting rod is equipped with the lagging, the inside rotation of lagging is connected with the gear, the central fixed mounting of gear has first knob. This external jugular vein blood sampling fixing device of children can support patient's neck for patient's neck can not take place crooked and rotate, thereby has reduced the needle entering degree of difficulty, has improved the success rate of blood sampling, has abandoned traditional mode that makes the patient cry, makes patient's jugular vein fully show, is favorable to going on of blood sampling, has alleviateed patient's misery.)

1. the utility model provides an external jugular vein blood sampling fixing device of children, includes support neck ring (1), its characterized in that: the middle of the supporting collar (1) is fixedly connected with a corrugated plate (2), a notch (3) is formed in the left side of the supporting collar (1), a connecting rod (4) is fixedly installed on the left side and the right side of the notch (3), first sawteeth (5) are formed in the inner side of the connecting rod (4), a sleeve plate (6) is sleeved on the periphery of the connecting rod (4), a gear (7) is rotatably connected to the inner portion of the sleeve plate (6), a first knob (8) is fixedly installed at the center of the gear (7), a cylindrical barrel (9) is slidably connected to the bottom of the supporting collar (1), a round rod (11) is fixedly connected to the bottom of the cylindrical barrel (9) through a spring (10), a rubber ring (12) is fixedly connected to the bottom end of the round rod (11), second sawteeth (13) are formed in the right end of the cylindrical barrel (9), a threaded rod (14) is meshed to the right side, the top fixed mounting of threaded rod (14) has first bevel gear (15), the right side meshing of first bevel gear (15) has second bevel gear (16), the center fixed mounting of second bevel gear (16) has second knob (17), one side fixed mounting who supports neck ring (1) peripheral breach (3) has rack (18).

2. the pediatric external jugular vein blood collection fixing device according to claim 1, wherein: the equal fixed mounting in upper and lower both ends of supporting neck ring (1) has the horn mouth, just support neck ring (1) and be semi-enclosed form, offer the recess that is greater than breach (3) width in the centre of supporting the peripheral breach (3) of neck ring (1).

3. The pediatric external jugular vein blood collection fixing device according to claim 1, wherein: the periphery of corrugated plate (2) and cylinder (9) all seted up with breach (3) alignment and the same clearance of width.

4. The pediatric external jugular vein blood collection fixing device according to claim 1, wherein: connecting rod (4) are fixed respectively at the both ends of breach (3), singly sliding connection has two connecting rod (4) in lagging (6), and be rotational symmetry about the center of lagging (6).

5. The pediatric external jugular vein blood collection fixing device according to claim 1, wherein: the gear (7) is meshed with the first sawteeth (5) on the inner sides of the upper and lower connecting rods (4) at the same time.

6. The pediatric external jugular vein blood collection fixing device according to claim 1, wherein: the number of the round rods (11) is thirty two, the round rods are uniformly distributed at the bottom of the cylindrical barrel (9), and each round rod (11) is independently and fixedly connected to the bottom of the cylindrical barrel (9) through a spring (10).

7. The pediatric external jugular vein blood collection fixing device according to claim 1, wherein: threaded rod (14) rotate to be connected in supporting the inner wall on neck ring (1) right side, and with cylinder section of thick bamboo (9) right-hand member second sawtooth (13) intermeshing.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a fixing device for taking blood from an external jugular vein of an infant.

Background

blood sampling is to prepare a blood sample by testing blood of a patient, venous blood sampling is a method of extracting a certain amount of venous blood through a needle tube, superficial veins on the body surface such as an elbow vein, a dorsal hand vein, an internal ankle vein or a femoral vein are frequently selected, and external jugular vein blood is frequently used for children, and puncture is required to be performed on the neck vein of the patient to take blood.

and because the infantile vein is tiny, the external jugular vein blood sampling itself just has certain degree of difficulty, and at the in-process of blood sampling, because the patient age is less, the health can take place to wriggle, greatly increased the degree of difficulty of inserting the needle, and appear penetrating the phenomenon of vein after inserting the needle and accomplishing easily, cause the hematoma easily, make the infant suffer more misery, and in order to make the infant jugular vein fully expose, make things convenient for the needle to insert, traditional method just makes the infant cry as far as possible, but in the process that the infant cries, the mood can be more excitement, make the muscle tight, be unfavorable for going on of blood sampling, and the in-process of crying, the health can take place to twitch, increased the stimulation of syringe needle to skin.

In order to solve the above problems, the inventor provides a fixing device for external jugular vein blood sampling for infants, which can support the neck of a patient, so that the neck of the patient cannot bend and rotate, thereby reducing the difficulty of needle insertion, improving the success rate of blood sampling, abandoning the traditional way of crying the patient, fully exposing the jugular vein of the patient, facilitating the blood sampling and relieving the pain of the patient.

Disclosure of Invention

the invention aims to solve the problems in the prior art and provides a fixing device for external jugular vein blood sampling of children.

A fixing device for taking blood from external jugular vein of children comprises a supporting collar, a corrugated plate, a notch, a connecting rod, first sawteeth, a sleeve plate, a gear, a first knob, a cylindrical barrel, a spring, a round rod, a rubber ring, second sawteeth, a threaded rod, a first bevel gear, a second knob and a placing rack;

wherein:

The middle of the supporting collar is fixedly connected with a corrugated plate, the left side of the supporting collar is provided with a notch, the left side and the right side of the notch are fixedly provided with connecting rods, the inner side of each connecting rod is provided with first sawteeth, a sleeve plate is sleeved on the periphery of each connecting rod, a gear is rotatably connected inside the sleeve plate, a first knob is fixedly mounted at the center of the gear, a cylindrical barrel is slidably connected to the bottom of the supporting collar, gaps which are aligned with the notches and have the same width are formed in the peripheries of the corrugated plate and the cylindrical barrel, a round rod is fixedly connected to the bottom of the cylindrical barrel through a spring, a rubber ring is fixedly connected to the bottom of the round rod, second sawteeth are formed in the right end of the cylindrical barrel, a threaded rod is meshed on the right side of the second teeth, a first bevel gear is fixedly mounted at the top of the threaded, a second knob is fixedly installed in the center of the second bevel gear, and a placing frame is fixedly installed on one side of a notch in the periphery of the supporting collar;

preferably, the upper end and the lower end of the supporting collar are both fixedly provided with bell mouths, the supporting collar is in a semi-closed shape, and the middle of the notch on the periphery of the supporting collar is provided with a groove with a width larger than that of the notch, so that the supporting of the upper end and the lower end of the supporting collar and the head and the shoulder of a patient is facilitated, and the needle insertion operation of the patient at the groove is facilitated;

Preferably, the connecting rods are respectively fixed at two ends of the notch, two connecting rods are slidably connected in a single sleeve plate and are rotationally symmetrical about the center of the sleeve plate, and the gear is simultaneously meshed with the first sawteeth on the inner sides of the connecting rods on the upper side and the lower side, so that the connecting rods can drive the supporting collar to contract or extend when the gear rotates;

Preferably, the number of the round rods is thirty two, and the round rods are uniformly distributed at the bottom of the cylinder, and each round rod is independently and fixedly connected to the bottom of the cylinder through a spring, so that each round rod can independently contract upwards, and the rubber ring can contract and extend regionally by matching with the flexibility of the rubber ring;

Preferably, the threaded rod rotates to be connected in the inner wall that supports the neck ring right side, and with the second sawtooth intermeshing of a cylinder section of thick bamboo right-hand member, consequently at the rotatory in-process of threaded rod, can drive a cylinder section of thick bamboo and carry out the removal from top to bottom.

The invention has the beneficial effects that:

1. This external jugular vein blood sampling fixing device of child through the design of supporting buckled plate between the neck ring, can highly adjust supporting the neck ring for can be applicable to the patient of different neck length, improve the travelling comfort when supporting the neck ring and wearing.

2. This external jugular vein blood sampling fixing device of child, through the inboard first sawtooth of connecting rod and mutually supporting of gear, utilize to rotate first knob and can make the support neck ring take place to contract or extend, make it can be applicable to the patient of different neck thicknesses, improved the stability of supporting the neck ring at patient's neck.

3. This external jugular vein blood sampling fixing device of child utilizes spring fixed connection's pole through cylinder barrel bottom to and pole bottom fixed connection's rubber circle, at the in-process that the cylinder barrel pushed down, utilize the pliability of rubber circle, can make the rubber circle carry out regional shrink and extension, make the rubber circle can carry out abundant contact extrusion with anomalous shoulder plane, improved the extrusion effect to the shoulder blood vessel.

4. this child's external jugular vein blood sampling fixing device through the design of rack, can place the vacuum tube of needle tubing intercommunication in the rack, need not be being carried on hand, has guaranteed the relatively stable of needle tubing with the patient neck, when the swing takes place for the patient neck, the swing also can be followed to the needle tubing, has avoided causing the secondary damage of needle tubing to the patient because of the swing of patient's health.

5. This external jugular vein blood sampling fixing device of child through the design that supports the neck ring, can will support the fixed support of neck ring between patient's head and shoulder for patient's neck can not take place crooked and rotate, thereby has reduced the needle inlet degree of difficulty to patient's jugular vein, has improved the success rate of external jugular vein blood sampling of child, has avoided the injury of repeated needle inlet to the patient.

6. This external jugular vein blood sampling fixing device of children, through the design of a cylinder section of thick bamboo and rubber circle, can effectively hinder the normal flow of the blood of shoulder blood vessel for patient's jugular vein can fully show, and has abandoned traditional mode that makes the patient cry, makes patient's mood more stable, is favorable to going on of blood sampling, has avoided increasing the stimulation of syringe needle to skin because of patient's health twitch, has alleviateed patient's misery.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

FIG. 4 is a cross-sectional view of the internal structure of the deck of the present invention;

FIG. 5 is a perspective view of a cylindrical barrel construction of the present invention;

fig. 6 is a cross-sectional view of a cylindrical barrel structure of the present invention.

in the figure: the support device comprises a support collar 1, corrugated plates 2, notches 3, connecting rods 4, first sawteeth 5, a sleeve plate 6, a gear 7, a first knob 8, a cylindrical barrel 9, a spring 10, a round rod 11, a rubber ring 12, second sawteeth 13, a threaded rod 14, a first bevel gear 15, a second bevel gear 16, a second knob 17 and a placing rack 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

the embodiment of the children external jugular vein blood sampling fixing device is as follows:

Referring to fig. 1 to 6, a fixing device for external jugular vein blood sampling of children comprises a supporting collar 1, a corrugated plate 2, a notch 3, a connecting rod 4, a first saw tooth 5, a sleeve plate 6, a gear 7, a first knob 8, a cylindrical barrel 9, a spring 10, a round rod 11, a rubber ring 12, a second saw tooth 13, a threaded rod 14, a first bevel gear 15, a second bevel gear 16, a second knob 17 and a placing rack 18;

wherein:

The middle of the supporting collar 1 is fixedly connected with a corrugated plate 2, the upper end and the lower end of the supporting collar 1 are both fixedly provided with bell mouths, the supporting collar 1 is in a semi-closed shape, a groove with the width larger than that of the notch 3 is formed in the middle of the notch 3 on the periphery of the supporting collar 1, the supporting of the upper end and the lower end of the supporting collar 1 and the head and the shoulder of a patient is facilitated, the needle inserting operation of the patient at the groove is facilitated, the height of the supporting collar 1 can be adjusted through the design of the corrugated plate 2 between the supporting collars 1, the supporting collar 1 is suitable for patients with different neck lengths, and the comfort of the supporting collar 1 during wearing is;

A notch 3 is arranged on the left side of the supporting collar 1, connecting rods 4 are fixedly arranged on the left side and the right side of the notch 3, first saw teeth 5 are arranged on the inner sides of the connecting rods 4, sleeve plates 6 are sleeved on the peripheries of the connecting rods 4, gears 7 are rotatably connected inside the sleeve plates 6 respectively, the connecting rods 4 are fixed at the two ends of the notch 3 respectively, two connecting rods 4 are slidably connected in a single sleeve plate 6 and are rotationally symmetrical about the center of the sleeve plate 6, the gears 7 are simultaneously meshed with the first saw teeth 5 on the inner sides of the connecting rods 4 on the upper side and the lower side, so that when the gears 7 rotate, the connecting rods 4 can drive the supporting collar 1 to contract or extend, first knobs 8 are fixedly arranged at the center of the gears 7, the first saw teeth 5 on the inner sides of the connecting rods 4 are matched with the gears 7, the first knobs 8 can be rotated to enable the collar supporting collar 1, the stability of the supporting collar 1 on the neck of a patient is improved, the supporting collar 1 can be fixedly supported between the head and the shoulder of the patient through the design of the supporting collar 1, so that the neck of the patient cannot bend or rotate, the needle insertion difficulty of the jugular vein of the patient is reduced, the success rate of blood sampling of the external jugular vein of the child is improved, and the injury of repeated needle insertion to the patient is avoided;

the bottom of the supporting collar 1 is slidably connected with a cylindrical barrel 9, gaps which are aligned with the notches 3 and have the same width are formed in the peripheries of the corrugated plates 2 and the cylindrical barrel 9, the bottom of the cylindrical barrel 9 is fixedly connected with round rods 11 through springs 10, the number of the round rods 11 is thirty two, the round rods are uniformly distributed at the bottom of the cylindrical barrel 9, each round rod 11 is independently and fixedly connected to the bottom of the cylindrical barrel 9 through the springs 10, each round rod 11 can independently contract upwards, the rubber rings 12 are regionally contracted and extended by matching the flexibility of the rubber rings 12, the bottom ends of the round rods 11 are fixedly connected with rubber rings 12, the round rods 11 are fixedly connected with the springs 10 at the bottom of the cylindrical barrel 9 and the rubber rings 12 are fixedly connected with the bottom ends of the round rods 11, the rubber rings 12 are regionally contracted and extended by utilizing the flexibility of the rubber rings 12 in the pressing-down process of the cylindrical barrel 9, the rubber ring 12 can be in full contact extrusion with an irregular shoulder plane, the extrusion effect on the shoulder blood vessel is improved, the normal flow of blood in the shoulder blood vessel can be effectively hindered through the design of the cylindrical barrel 9 and the rubber ring 12, the jugular vein of a patient can be fully exposed, the traditional mode of crying the patient is abandoned, the emotion of the patient is more stable, the blood sampling is facilitated, the stimulation of the needle head to the skin due to the fact that the body of the patient twitches is avoided, and the pain of the patient is relieved;

the right end of the cylindrical barrel 9 is provided with second saw teeth 13, the right side of the second saw teeth 13 is meshed with a threaded rod 14, the threaded rod 14 is rotatably connected in the inner wall on the right side of the supporting collar 1 and is meshed with the second saw teeth 13 on the right end of the cylindrical barrel 9, therefore, the cylindrical barrel 9 can be driven to move up and down in the rotating process of the threaded rod 14, the top end of the threaded rod 14 is fixedly provided with a first bevel gear 15, the right side of the first bevel gear 15 is meshed with a second bevel gear 16, the center of the second bevel gear 16 is fixedly provided with a second knob 17, one side of the peripheral gap 3 of the supporting collar 1 is fixedly provided with a placing rack 18, through the design of the placing rack 18, a vacuum tube communicated with a needle tube can be placed in the placing rack 18 without being held by hands, the vacuum tube is ensured to be relatively stable with the, the secondary injury of the needle tube to the patient caused by the swinging of the body of the patient is avoided.

the working principle and the process of the invention are as follows:

when the blood sampling device is used, the supporting collar 1 is firstly sleeved on the neck of a patient, then the supporting collar 1 is rotated to enable the peripheral gap 3 to face the vein of blood sampling, then the height of the supporting collar 1 is adjustable through the corrugated plate 2, so that the bellmouths on the upper side and the lower side of the supporting collar 1 can support the head and the shoulder of the patient, then the first knob 8 is rotated to drive the gear 7 to rotate, the first saw teeth 5 can drive the supporting collar 1 to contract and extend by utilizing the mutual meshing of the gear 7 and the first saw teeth 5 on the inner side of the connecting rod 4, further the supporting collar 1 and the neck of the patient are further fixed, before blood sampling is carried out, the second knob 17 is rotated to drive the second bevel gear 16 to rotate, and the mutual meshing of the second bevel gear 16 and the first bevel gear 15 is utilized, so that the first bevel gear 15 can drive the threaded rod 14 to rotate, then, by utilizing the mutual engagement of the threaded rod 14 and the second sawtooth 13 on the right side of the cylinder 9, the cylinder 9 can move up and down in the rotating process of the threaded rod 14, the rubber ring 12 can be driven to move downwards and be contacted with the shoulder of a patient in the downward moving process of the cylinder 9, the rubber ring 12 can be locally contracted and extended under the action of the top round rod 11 and the spring 10, so that the rubber ring 12 can be extruded with an irregular shoulder plane, the normal flow of blood in a shoulder blood vessel is blocked, the jugular vein of the patient can be fully exposed, then the jugular vein of the patient is inserted through the notch 3 of the supporting collar 1, the needle tube is inserted into the vacuum tube, and then the vacuum tube is placed in the placing frame 18, so that the needle tube and the neck of the patient are kept relatively stable, and the influence on the needle tube when the body of the patient swings is avoided, after blood sampling is finished, the needle tube is pulled out, the cylindrical barrel 9 is contracted upwards, and the supporting collar 1 is unfolded and taken down.

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.