CN213372013U - Intravenous blood sampler for department of children internal medicine - Google Patents

Abstract

The utility model discloses a venous blood sampler for department of children, which comprises a needle wing, wherein a needle seat is arranged on the needle wing, a fixed envelope is arranged on the needle seat, a puncture needle is arranged on the envelope, one end of the needle seat, which is far away from the puncture needle, is fixedly communicated with a hose, the hose is provided with a hose seat, a test tube holder is arranged on the hose seat, the end part of the test tube holder is spliced and communicated with the hose seat, the needle wing is provided with a convenient device which is convenient for fixing the puncture needle on the arm of a child patient and can control the blood sampling speed, the venous blood sampler for department of children optimizes the prior art through the convenient device, can fix the puncture needle on the arm of the child patient when sampling blood, avoids shaking to influence the blood sampling and increase the pain of the child patient, can limit the blood flow speed, prevents the increase of the negative pressure in a test tube to cause the, resulting in rupture of the red blood cells.

Description

Intravenous blood sampler for department of children internal medicine

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a venous hemostix for the department of children internal medicine.

Background

The children internal medicine mainly refers to diseases caused by the function of the lower part, defects or infection of organs of the whole body, and comprises respiratory diseases, digestive system diseases, cardiovascular diseases, hereditary diseases, immune system diseases, urinary system diseases, nutritional diseases, hematopoietic system diseases and the like.

The venous hemostix is generally a disposable sterile venous hemostix and consists of a collecting needle assembly (comprising a protective cap, a collecting needle, a needle wing, a collecting needle seat, a hose and a hose seat) and a puncture needle assembly (comprising a puncture needle, a puncture needle seat, a puncture needle envelope and a puncture needle protective cap).

Nurse is when carrying out venous blood sampling to child's patient, hold between the fingers both sides needle wing earlier, insert the pjncture needle into patient's vein to one side, then one hand is pressed the needle wing on patient's arm, the other hand is taken to hold between the fingers test tube holder, loosen the hand of pressing the needle wing again and insert the vacuum collection tube in the blood taking needle in the test tube holder, because when pressing the hand of needle wing on patient's arm and taking off, the needle wing can automatic perk, separate with the arm, can cause the puncture pillow that gets into the vein and move down, thereby can increase patient's misery, and child's patient's vein is more thin and lively, and the pjncture needle does not fix with child's patient arm, thereby cause easily and rock, influence the collection of blood. In addition, because the blood collection tube of the venous blood collector collects blood by utilizing the principle of vacuum negative pressure, the phenomenon of hemolysis is easy to occur when the negative pressure in the test tube is overlarge, the negative pressure is relatively large, the blood flows into the bottom of the test tube too fast and violently, and the red blood cells can be collided with each other to cause the rupture of the red blood cells and the hemolysis of the sample. Therefore, an intravenous blood sampler for department of pediatrics is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a have and to have had both been convenient for fix the pjncture needle on child patient's arm, avoid causing and rock the influence blood sampling, can control blood sampling speed again, prevent that the intraductal negative pressure of test from increaseing and causing the blood velocity of flow very fast, cause red blood cell striking each other, lead to the intravenous blood sampler that the child's internal medicine of red blood cell demand of breaking used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the intravenous hemostix for the department of pediatrics comprises a needle wing, wherein a needle seat is arranged on the needle wing, a sealing sleeve is fixed on the needle seat, a puncture needle is arranged on the sealing sleeve, one end of the needle seat, which is far away from the puncture needle, is fixedly communicated with a hose, a hose seat is arranged on the hose, a test tube holder is arranged on the hose seat, the end part of the test tube holder is in splicing communication with the hose seat, a convenient device which is convenient for fixing the puncture needle on the arm of a child patient and can control the blood sampling speed is arranged on the needle wing, the convenient device comprises two adhesive sheets which are respectively fixed on the symmetrical sides of the back surface of the needle wing, an adhesive sheet cover is fixed between the two adhesive sheets, the middle part of the adhesive sheet cover is fixed on the needle wing, a control device which can control the blood sampling speed is arranged on the test tube holder, the prior art is optimized, avoid causing and rock the influence blood sampling and increase child patient's misery, can also restrict the blood flow speed, prevent that the increase of in vitro negative pressure from causing the blood velocity of flow very fast, cause red blood cell to strike each other, lead to the erythrocyte to break.

Preferably, controlling means includes the adapter sleeve, the adapter sleeve is fixed on the test-tube carrier, and the adapter sleeve upper and lower extreme all is equipped with the connecting rod, be equipped with the clamp plate on the connecting rod, two the clamp plate symmetry is located the hose both sides, one be equipped with the power device who is used for controlling the blood velocity of flow on the connecting rod, be convenient for through the unit area flow of control blood, control blood sampling speed avoids fastly, causes red blood cell to break, the sample hemolysis.

Preferably, power device includes the telescopic link, the telescopic link is fixed on the adapter sleeve, and the telescopic link is kept away from the one end of adapter sleeve and is fixed with the handle, is located upper portion the connecting rod is fixed in the handle bottom, be equipped with the spring between handle and the adapter sleeve, the spring cup joints in the telescopic link outside, is convenient for through pressing the handle, according to actual conditions, real-time control blood velocity of flow.

Preferably, one be equipped with spacing hole on the clamp plate, spacing hole is equipped with two, and the symmetry lies in the clamp plate both sides, another the symmetry is fixed with the limiting plate on the clamp plate, the limiting plate activity runs through spacing hole, restricts the position of hose, prevents that the hose from moving or the in-process skew of using.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a prior art has been optimized to convenient device, can fix the pjncture needle on child's patient arm when taking a blood sample, avoids causing and rocks the influence blood sampling and increase child's patient misery, can also restrict the blood flow speed, prevents that the intraductal negative pressure of test from increasing to cause the blood velocity of flow very fast, causes red blood cell to strike each other, leads to the red blood cell to break.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a bottom view of the structure of the present invention;

fig. 3 is a side view of the structure of the present invention.

In the figure: 1-needle wing; 2-a needle seat; 3-enveloping; 4, puncturing needle; 5-a hose; 6-hose seat; 7-test tube support; 8-a convenient device; 9-sticking the sheet; 10-adhesive sheet cover; 11-a control device; 12-a connecting sleeve; 13-a connecting rod; 14-a platen; 15-a power plant; 16-a telescopic rod; 17-a handle; 18-a spring; 19-a limiting hole; 20-limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a venous hemostix for department of pediatrics comprises a needle wing 1, wherein a needle base 2 is arranged on the needle wing 1, a sleeve 3 is fixed on the needle base 2, a puncture needle 4 is arranged on the sleeve 3, and the sleeve 3 can extend to cover the puncture needle 4 to avoid blood splashing when the puncture needle 4 is pulled out through the sleeve 3;

the fixed intercommunication of the one end that pjncture needle 4 was kept away from to needle file 2 has hose 5, be equipped with hose seat 6 on the hose 5, be equipped with test tube holder 7 on the hose seat 6, the tip and the hose seat 6 grafting intercommunication of test tube holder 7, the nurse inserts the vein through pjncture needle 4 through holding the needle wing 1 of holding between the fingers, controls pjncture needle 4, makes the blood in the vein along pjncture needle 4 hose 5 with gather in the needle gets into the collection pipe.

Be equipped with on needle wing 1 and both be convenient for fix pjncture needle 4 on child's patient's arm, can control the convenient device 8 of blood sampling speed again, convenient device 8 includes adhesion piece 9, adhesion piece 9 is equipped with two, fixes respectively in 1 back of the needle wing symmetry side of needle wing, two be fixed with adhesion piece lid 10 between the adhesion piece 9, adhesion piece lid 10 middle part is fixed on needle wing 1, through adhesion piece 9, is convenient for with needle wing 1 adhesion on skin, and is convenient for take off, through adhesion piece lid 10, can shelter from adhesion piece 9, avoids its and unexpected adhesion such as finger or wrapping bag to can be convenient for fix needle wing 1 and patient's arm when the blood sampling, when avoiding the hand that patient moved or pressed nurse needle wing 1 to loosen, cause pjncture needle 4 activities in the vein, influence blood sampling and increase patient's misery.

Be equipped with the controlling means 11 that can control blood sampling speed on the test tube support 7, controlling means 11 includes adapter sleeve 12, adapter sleeve 12 is fixed on test tube support 7, and the lower extreme all is equipped with connecting rod 13 on adapter sleeve 12, be equipped with clamp plate 14 on the connecting rod 13, two clamp plate 14 symmetry is located hose 5 both sides, is convenient for extrude hose 5 through two clamp plates 14, comes control blood's unit area flow to control blood sampling speed avoids fastly, causes erythrocyte rupture, sample hemolysis.

One connecting rod 13 is provided with a power device 15 for controlling the flow velocity of blood, the power device 15 comprises an expansion rod 16, the expansion rod 16 is fixed on the connecting sleeve 12, one end of the expansion rod 16, which is far away from the connecting sleeve 12, is fixed with a handle 17, the connecting rod 13, which is positioned at the upper part, is fixed at the bottom of the handle 17, a spring 18 is arranged between the handle 17 and the connecting sleeve 12, the spring 18 is sleeved outside the expansion rod 16, the spring 18 is compressed by pressing the handle 17, and the connecting rod 13 and the pressing plate 14 are driven to move towards the direction of the hose 5, so that the hose 5 is partially flattened by pressing the two pressing plates 14, and the blood flow of the.

One be equipped with spacing hole 19 on the clamp plate 14, spacing hole 19 is equipped with two, and the symmetry is located clamp plate 14 both sides, another the symmetry is fixed with limiting plate 20 on the clamp plate 14, limiting plate 20 activity runs through spacing hole 19, restricts the position of hose 5, prevents that hose 5 from shifting in the removal or use process.

The working principle is as follows: nurse when needs take a blood sample to child's patient, earlier through mediating both sides needle wing 1, control puncture needle 4, at this moment, because mediate of both sides needle wing 1, make the adhesive sheet lid 10 and the separation of adhesive sheet 9 with adhesive sheet 9 laminating originally, after puncture needle 4 slope inserted patient's vein, make adhesive sheet 9 and skin adhesion through pressing needle wing 1, thereby fix puncture needle 4, then hold between the fingers one hand and hold between the fingers test tube holder 7, and press handle 17, make the compression of spring 18, two clamp plates 14 laminates, make hose 5 hold between the fingers, the blood sampling tube is held between the fingers to the other hand, peg graft the intercommunication with the blood taking needle in test tube holder 7, through the dynamics of control pressing handle 17, adjust the distance between two clamp plates 14, further regulate and control the blood velocity of flow in hose 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

Claims (4)

1. The utility model provides a venous blood collection ware that internal medicine used, includes needle wing (1), be equipped with needle file (2) on needle wing (1), be fixed with big envelope (3) on needle file (2), be equipped with pjncture needle (4) on big envelope (3), the fixed intercommunication of one end that pjncture needle (4) were kept away from in needle file (2) has hose (5), be equipped with hose seat (6) on hose (5), be equipped with test-tube rack (7) on hose seat (6), the tip and the hose seat (6) of test-tube rack (7) are pegged graft and are linked together its characterized in that: be equipped with on needle wing (1) and both be convenient for fix pjncture needle (4) on child patient's arm, can control convenient device (8) of blood sampling speed again, convenient device (8) are including adhesion sheet (9), adhesion sheet (9) are equipped with two, fix respectively in needle wing (1) back symmetry side, two be fixed with adhesion sheet lid (10) between adhesion sheet (9), adhesion sheet lid (10) middle part is fixed on needle wing (1), be equipped with controlling means (11) that can control blood sampling speed on test tube holder (7).

2. An intravenous blood collection set for use in pediatric medicine according to claim 1, wherein: controlling means (11) are including adapter sleeve (12), adapter sleeve (12) are fixed on test tube carrier (7), and the lower extreme all is equipped with connecting rod (13) on adapter sleeve (12), be equipped with clamp plate (14), two on connecting rod (13) clamp plate (14) symmetric position is in hose (5) both sides, one be equipped with power device (15) that are used for controlling the blood velocity of flow on connecting rod (13).

3. An intravenous blood collection set for use in pediatric medicine according to claim 2, wherein: power device (15) include telescopic link (16), telescopic link (16) are fixed on adapter sleeve (12), and telescopic link (16) keep away from the one end of adapter sleeve (12) and be fixed with handle (17), are located upper portion connecting rod (13) are fixed in handle (17) bottom, be equipped with spring (18) between handle (17) and adapter sleeve (12), spring (18) cup joint in telescopic link (16) outside.

4. An intravenous blood collection set for use in pediatric medicine according to claim 2, wherein: one be equipped with spacing hole (19) on clamp plate (14), spacing hole (19) are equipped with two, and the symmetry lies in clamp plate (14) both sides, another the symmetry is fixed with limiting plate (20) on clamp plate (14), limiting plate (20) activity runs through spacing hole (19).

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