CN214549395U

CN214549395U - Blood sampler for pediatric examination

Info

Publication number: CN214549395U
Application number: CN202022892575.2U
Authority: CN
Inventors: 闫雪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-11-02
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a blood sampler for pediatric examination, including sampler barrel, adapter sleeve, hose, syringe needle, thread bush, rotation cover, fixed board, push rod, piston, locating hole, uide bushing, locating lever, coil spring, iron plate, magnet piece and ring grip. The utility model has the advantages that the utility model is used for the extraction of blood and sampling, compared with the traditional blood sampler, the utility model has a limit structure, after sampling, the utility model can be used for the positioning of the push rod and the limit after sampling, thereby avoiding the collision after sampling, causing the non-artificial rollback, influencing the use and improving the stability after sampling; further spacing structure adopts the mode of rotating the connection to install on the thread bush, gets to rotate, can change the position between locating lever and the locating hole to avoid spacing mechanism, influence holistic use, it is convenient to provide for holistic use.

Description

Blood sampler for pediatric examination

Technical Field

The utility model relates to a blood sampler specifically is a blood sampler is used in paediatrics inspection.

Background

The blood sampler is an instrument for blood sampling, blood sampling inspection is more and more common along with the vigorous development of medical technology, and the traditional blood sampler can not meet the requirements of modern medicine; in pediatric examinations, blood may need to be drawn.

The existing blood sampler generally adopts a piston and a sampling cylinder to extract, possibly lacks a limiting mechanism, is inconvenient to prevent returning after the blood is extracted, and can be accidentally collided to influence the use stability. Therefore, a blood sampler for pediatric examinations is proposed to solve the above problems.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides a blood sampler for pediatric examination, which comprises a sampling cylinder and a threaded sleeve, wherein one end of the sampling cylinder is provided with a liquid inlet, the liquid inlet is in threaded connection with a connecting sleeve, the tail end of the connecting sleeve is fixedly communicated with a hose, the tail end of the hose is fixedly communicated with a needle head for installation, and the other end of the sampling cylinder is in threaded connection with the threaded sleeve; the middle part of the threaded sleeve is rotatably connected with a rotating sleeve, the interior of the sampling tube is connected with a piston in a matching way, the middle part of the piston is fixedly connected with the end part of a push rod, the push rod is in clearance fit connection with the rotating sleeve, and the surface of the push rod is provided with a plurality of positioning holes at equal intervals along the length direction; the top of the rotating sleeve is fixedly embedded and connected with a guide sleeve, the guide sleeve is in clearance fit connection with a positioning rod, the guide sleeve is sleeved with a spiral spring, and the positioning rod is elastically connected with the top of the rotating sleeve through the spiral spring.

Furthermore, the top of one side of the threaded sleeve and the bottom of one side of the threaded sleeve are fixedly connected with a fixed holding plate.

Furthermore, a circular ring is fixedly sleeved on the outer ring of the rotating sleeve, and the circular ring and the rotating sleeve are in clearance fit connection with a positioning groove formed in the middle of one side of the threaded sleeve.

Furthermore, one end of the spiral spring is fixedly connected with the rod surface of the positioning rod, and the other end of the spiral spring is fixedly connected with the outer wall of the rotating sleeve.

Further, the bottom end fixedly connected with magnet piece of locating lever.

Furthermore, the inside of the locating hole is fixedly embedded and connected with an iron block.

The utility model has the advantages that: the utility model provides a paediatrics inspection is with blood sampler with spacing anti-rollback function of push rod.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure between a threaded sleeve and a rotating sleeve according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a push rod according to an embodiment of the present invention.

In the figure: 1. the sampling device comprises a sampling cylinder, 2, a connecting sleeve, 3, a hose, 4, a needle head, 5, a threaded sleeve, 6, a rotating sleeve, 7, a fixed holding plate, 8, a push rod, 9, a piston, 10, a positioning hole, 11, a guide sleeve, 12, a positioning rod, 13, a spiral spring, 14, an iron block, 15, a magnet block, 16 and a circular ring.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a blood sampler for pediatric examination comprises a sampling cylinder 1 and a threaded sleeve 5, wherein one end of the sampling cylinder 1 is provided with a liquid inlet, the liquid inlet is in threaded connection with a connecting sleeve 2, the tail end of the connecting sleeve 2 is fixedly communicated with a hose 3, the tail end of the hose 3 is fixedly communicated with a needle 4, the other end of the sampling cylinder 1 is in threaded connection with the threaded sleeve 5, and the needle 4, the hose 3 and the connecting sleeve 2 form a whole and can be detached and replaced;

the middle part of the threaded sleeve 5 is rotatably connected with a rotating sleeve 6, the interior of the sampling tube 1 is connected with a piston 9 in a matching manner, the middle part of the piston 9 is fixedly connected with the end part of a push rod 8, the push rod 8 is in clearance fit connection with the rotating sleeve 6, the surface of the push rod 8 is provided with a plurality of positioning holes 10 at equal intervals along the length direction, and after sampling, positioning rods 12 are inserted into the positioning holes 10 for positioning and limiting;

the top of the rotating sleeve 6 is fixedly embedded and connected with a guide sleeve 11, the guide sleeve 11 is in clearance fit connection with a positioning rod 12, the guide sleeve 11 is sleeved with a spiral spring 13, and the positioning rod 12 is elastically connected with the top of the rotating sleeve 6 through the spiral spring 13.

The top of one side of the threaded sleeve 5 and the bottom of one side of the threaded sleeve 5 are fixedly connected with fixed holding plates 7, so that hands can be held conveniently, and meanwhile, the threaded sleeve 5 is installed in a threaded connection mode, so that the threaded sleeve is convenient to disassemble and assemble; the outer ring of the rotating sleeve 6 is fixedly sleeved with a circular ring 16, the circular ring 16 and the rotating sleeve 6 are in clearance fit connection with a positioning groove formed in the middle of one side of the threaded sleeve 5, the circular ring 16 is embedded in air to achieve limiting, and rotational installation of the circular ring is achieved, the circular ring 16 and the rotating sleeve 6 are installed on the threaded sleeve 5 in a rotational connection mode and can rotate, and the position between the positioning rod 12 and the positioning hole 10 can be changed, so that a limiting mechanism is avoided, integral use is influenced, convenience is brought to integral use, and meanwhile, after positioning, an iron block 14 and a magnet block 15 are provided, and limiting is achieved through magnetic adsorption of the iron block 14 and the magnet block 15, and therefore the limiting effect is improved; one end of the spiral spring 13 is fixedly connected with the rod surface of the positioning rod 12, and the other end of the spiral spring 13 is fixedly connected with the outer wall of the rotating sleeve 6, so that the elastic connection of the positioning rod 12 is realized, and the positioning rod 12 and the rotating sleeve form a whole to avoid separation; the bottom fixedly connected with magnet piece 15 of locating lever 12, the inside fixed gomphosis of locating hole 10 is connected with iron plate 14, when spacing, can carry out magnetic force and adsorb between magnet piece 15 and the iron plate 14, realizes spacingly, has ensured spacing effect.

When the utility model is used, the needle head 4 is inserted into the vein, and the push rod 8 is pulled to drive the piston 9 to move, thereby extracting the blood;

after extraction, the rotating sleeve 6 is rotated to align the positioning rod 12 with the positioning hole 10, the positioning rod 12 is moved through the elastic force of the spiral spring 13, the positioning rod 12 is embedded with the positioning hole 10, meanwhile, the magnet block 15 and the iron block 14 are subjected to magnetic adsorption, limiting is achieved, after collision occurs, non-artificial backspacing is avoided through limiting, use is prevented from being influenced, and the stability after sampling is improved;

when the limit is released, the positioning rod 12 is separated from the positioning hole 10 by pulling out the positioning rod 12, and the rotating sleeve 6 is rotated at the same time, so that the positioning rod 12 and the positioning hole 10 are in a non-aligned position, the end part of the positioning rod 12 is blocked by the rod wall of the push rod 8, the limit is realized, and the stretching state of the spiral spring 13 is maintained.

The utility model discloses an useful part lies in:

whole blood sampler for paediatrics inspection is used for the extraction of blood, and the sample compares with traditional blood sampler, has spacing structure, after taking a sample, can be used to the location of push rod 8 for spacing after the sample, avoid taking a sample the back, the collision appears, causes the involuntary back-off of non-manual nature, and the influence is used, has improved the stability after the sample.

Further spacing structure adopts the mode of rotating the connection to install on thread bush 5, gets to rotate, can change the position between locating lever 12 and the locating hole 10 to avoid spacing mechanism, influence holistic use, it is convenient for holistic use to provide, simultaneously after the location, has iron plate 14 and magnet piece 15, through iron plate 14 and magnet piece 15's magnetic force absorption, realize spacingly, thereby improved spacing effect.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A blood sampler for pediatric examination is characterized in that: the sampling device comprises a sampling cylinder (1) and a threaded sleeve (5), wherein one end of the sampling cylinder (1) is provided with a liquid inlet, the liquid inlet is in threaded connection with a connecting sleeve (2), the tail end of the connecting sleeve (2) is fixedly communicated with a hose (3), the tail end of the hose (3) is fixedly communicated and mounted with a needle (4), and the other end of the sampling cylinder (1) is in threaded connection with the threaded sleeve (5);

the middle part of the threaded sleeve (5) is rotatably connected with a rotating sleeve (6), the interior of the sampling tube (1) is connected with a piston (9) in a matching way, the middle part of the piston (9) is fixedly connected with the end part of a push rod (8), the push rod (8) is connected with the rotating sleeve (6) in a clearance fit way, and the surface of the push rod (8) is provided with a plurality of positioning holes (10) at equal intervals along the length direction;

the top of the rotating sleeve (6) is fixedly embedded with a guide sleeve (11), the guide sleeve (11) is in clearance fit connection with a positioning rod (12), the guide sleeve (11) is sleeved with a spiral spring (13), and the positioning rod (12) is elastically connected with the top of the rotating sleeve (6) through the spiral spring (13).

2. A blood sampler for pediatric examination according to claim 1, wherein: the top of one side of the threaded sleeve (5) and the bottom of one side of the threaded sleeve (5) are fixedly connected with a fixed holding plate (7).

3. A blood sampler for pediatric examination according to claim 1, wherein: the outer ring of the rotating sleeve (6) is fixedly sleeved with a circular ring (16), and the circular ring (16) and the rotating sleeve (6) are in clearance fit connection with a positioning groove formed in the middle of one side of the threaded sleeve (5).

4. A blood sampler for pediatric examination according to claim 1, wherein: one end of the spiral spring (13) is fixedly connected with the rod surface of the positioning rod (12), and the other end of the spiral spring (13) is fixedly connected with the outer wall of the rotating sleeve (6).

5. A blood sampler for pediatric examination according to claim 1, wherein: the bottom end of the positioning rod (12) is fixedly connected with a magnet block (15).

6. A blood sampler for pediatric examination according to claim 1, wherein: and an iron block (14) is fixedly embedded and connected inside the positioning hole (10).