CN211066659U

CN211066659U - Intraoperative blood gas analysis and blood sampling device

Info

Publication number: CN211066659U
Application number: CN201922021355.XU
Authority: CN
Inventors: 丁红; 郝明明; 杨帆
Original assignee: Southern Hospital Southern Medical University
Current assignee: Southern Hospital Southern Medical University
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-07-24
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a blood gas analysis blood sampling device in art, including the transparent barrel of cavity, separate for three region in the transparent barrel of cavity, have respectively placed in the three region and sealed tub of brine syringe, suction syringe in advance, suction blood gas sample syringe, the one end of the transparent barrel of cavity is connected with the sealed lid of the transparent barrel unidirectional rotation of cavity relatively, and sealed covering has the connecting pipe, and the connecting pipe is connected with sealed tub of brine syringe, suction syringe or suction blood gas sample syringe selectively through the relative rotation of sealed lid and the transparent barrel of cavity. The utility model discloses an art blood gas analysis blood sampling device prepares work simply, is difficult for polluting, and it is convenient to use.

Description

Intraoperative blood gas analysis and blood sampling device

Technical Field

The utility model relates to the field of medical supplies, especially, relate to an intraoperative blood gas analysis blood sampling device.

Background

Currently, during surgery, anesthesiologists often use arterial blood gas analysis to monitor changes in oxygen concentration, electrolytes, etc. in the patient's breathing and metabolism. The arterial blood gas analysis can objectively reflect the respiratory function and the metabolic function of a human body, is the most reliable index and basis for diagnosing respiratory failure and acid-base balance disorder, and has important significance for guiding oxygen therapy, mechanical ventilation, blood transfusion and infusion adjustment and the like.

Arterial blood specimens are one of the most sensitive specimens for blood gas analysis, and improper specimen collection may affect the accuracy of the detection result. The method is widely applied to major operations such as heart, lung, brain, liver and the like or critical patients due to the advantages of accurately and timely reflecting the change condition of arterial blood pressure, extracting arterial blood at any time for blood and gas analysis and the like, and is also a preferred method for monitoring the internal environment of the body after the operations of the major operations and the critical patients. This monitoring method requires the arterial blood to be withdrawn as quickly as possible, often several times during the operation, in order to dynamically observe the changes in the environment inside the patient's body.

At present, the method for collecting blood by an arterial manometry pipeline at home and abroad comprises the following steps: the first syringe is connected with the three-way joint of the artery catheter to extract catheter-sealing liquid (physiological saline or diluted heparin saline) in the pipeline and blood diluted by the catheter-sealing liquid. A second syringe, which had been wetted with heparin saline through the wall, was replaced into the three-way connection and 100% strength whole blood was aspirated for immediate bedside testing. And a third syringe containing about 5-10ml of physiological saline is replaced and connected into the three-way joint, the whole blood in the pipeline is pushed back into the blood vessel of the patient, and the liquid in the pipeline is replaced by the physiological saline so as to ensure that the passage of the artery catheterization keeps unobstructed and cannot be blocked by the blood after self-coagulation, namely the normal catheter sealing.

The blood sampling modes have the following defects: three syringes, one of which is empty, one of which is used for moistening the heparin tube wall and the other of which is used for pumping the normal saline for sealing the tube, are prepared in advance. The preparation work is complicated, the pollution is easily caused by the reasons of touch, rolling and the like, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing an art blood gas analysis blood sampling device, preparation is simple, is difficult for polluting, and it is convenient to use.

In order to realize the above object, the utility model provides an intraoperative blood gas analysis blood sampling device, including the transparent barrel of cavity, separate for three region in the transparent barrel of cavity, three regional interior seal pipe salt solution syringe, suction blood gas sample syringe of having placed respectively, the one end of the transparent barrel of cavity is connected with the sealed lid of the transparent barrel unidirectional rotation of cavity relatively, and sealed covering has the connecting pipe, and the connecting pipe is connected with seal pipe salt solution syringe, suction syringe or suction blood gas sample syringe in advance selectively through the relative rotation of sealed lid and the transparent barrel of cavity.

As a further improvement, the protrusion has interval distribution's three buckle one on the outer wall of the link that the transparent barrel of cavity is connected with sealed lid, and the protrusion has buckle two that can match with corresponding buckle one when rotating on the inner wall of sealed lid.

As a further improvement, every buckle one be the triangle-shaped structure to the hypotenuse of triangle-shaped structure is opposite with the direction of rotation of sealed lid, buckle two is the step structure, the high step and the low step of step structure distribute in proper order according to the direction of rotation of sealed lid.

As a further improvement, the sealed lid divide into sealed laminating section and lock section, and the internal diameter of lock section is greater than the internal diameter of sealed laminating section and constitutes the stair structure with sealed laminating section, and the end seal laminating of the inner wall of sealed laminating section and the transparent barrel of cavity, buckle two is located lock section inner wall.

As a further improvement of the utility model, the volume of the tube-sealing saline injector, the pre-suction injector and the blood gas specimen suction injector is respectively 5ml, 5ml and 2ml, and the outer wall is equally divided into sections which are respectively printed with scribed lines.

As a further improvement of the utility model, the groove of 2.5ml, 4ml department on the sealing tube salt water syringe outer wall is green groove and blue groove respectively, and the groove on 1.5ml, 3.5ml on the suction syringe outer wall is green groove and blue groove respectively in advance, and the groove on 1ml, 2ml on the suction blood gas sample syringe outer wall is the yellow groove.

As a further improvement of the present invention, the green scribed line and the blue scribed line on the outer wall of the tube-sealing saline injector, the green scribed line and the blue scribed line on the outer wall of the pre-suction injector, and the yellow scribed line on the outer wall of the blood-gas specimen suction injector are closed annular scribed lines which respectively surround the tube-sealing saline injector, the pre-suction injector, and the circle of the blood-gas specimen suction injector.

As a further improvement of the utility model, the colors of the push rods of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively white, pink and red, and the outer end parts of the push rods of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively marked with the number 3, the number 1 and the number 2.

As a further improvement of the utility model, the inner wall of the injector for sucking the blood and gas samples is coated with a heparin liquid coating.

Compared with the prior art, the utility model discloses an among the art blood gas analysis blood sampling device's beneficial effect as follows:

(1) adorn three syringe in the hollow transparent barrel to through making hollow transparent barrel and sealed lid relative rotation make the connecting pipe be connected with a tub salt solution syringe, the syringe of sucking in advance or suction blood gas sample syringe, can realize taking out salt solution, take out blood for the blood gas analysis, inject into the purpose that salt solution sealed the pipe, prepare simple work, be difficult for causing the pollution because of reasons such as touching, roll off, it is convenient to use.

(2) Adopt buckle structure to make the transparent barrel of cavity combine together with sealed lid, simple structure, convenient operation, the function is easily realized.

(3) The push rods of the tube sealing saline injector, the pre-suction injector and the blood and gas sample suction injector are distinguished by different colors, and the end parts of the push rods are marked with numbers, so that the push rods are easier to distinguish and avoid confusion.

(4) The important scribed lines of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively colored scribed lines, and the colored scribed lines are closed annular scribed lines, so that the important scribed lines are more striking and easy to see.

(5) The heparin solution coating is adopted, so that blood coagulation can be avoided, and blood can not be diluted.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

Fig. 1 is a schematic view of an intraoperative blood gas analysis blood collection device.

Fig. 2 is a perspective view of the sealing cap of fig. 1 removed.

Fig. 3 is a front view of the sealing cap of fig. 1 removed.

Fig. 4 is a first schematic view illustrating the fastening of the sealing cover and the hollow transparent cylinder.

Fig. 5 is a second schematic view illustrating the engagement of the sealing cap and the hollow transparent cylinder.

Fig. 6 is a schematic view of a pre-aspiration syringe.

Fig. 7 is a schematic view of an injector for aspirating a blood gas sample.

Fig. 8 is a schematic view of a lock tube saline injector.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

the device comprises a hollow transparent cylinder body 1, an area 11, a first buckle 12, a pre-suction injector 2, a blood gas specimen suction injector 3, a tube sealing saline injector 4, a sealing cover 5, a second buckle 51, a sealing joint section 52, a buckling section 53 and a connecting pipe 6.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.

Referring to fig. 1-8, the intraoperative blood gas analysis and blood sampling device includes a hollow transparent cylinder 1, the interior of the hollow transparent cylinder 1 is divided into three regions 11, and the three regions 11 are three mounting holes. The two ends of the hollow transparent cylinder body 1 are both open ends, one end of the hollow transparent cylinder body is a connecting end, three buckles I12 distributed at intervals are protruded on the outer wall of the connecting end, and each buckle I12 is of a triangular structure.

The three areas 11 are respectively provided with a pre-suction injector 2, a blood and gas sample suction injector 3 and a tube sealing saline injector 4, and liquid inlet and outlet ports of the pre-suction injector 2, the blood and gas sample suction injector 3 and the tube sealing saline injector 4 are positioned on the same circumference. The front sections of the pre-suction injector 2, the blood and gas sample suction injector 3 and the tube sealing saline injector 4 are inserted and fixed in the corresponding area 11, and the rear sections of the pre-suction injector 2, the blood and gas sample suction injector 3 and the tube sealing saline injector 4 extend out of the hollow transparent cylinder body 1, so that the pre-suction injector 2, the blood and gas sample suction injector 3 and the tube sealing saline injector 4 can be conveniently pulled out. The volumes of the pre-suction injector 2, the blood and gas specimen suction injector 3 and the tube sealing saline injector 4 are respectively 5ml, 2ml and 5ml, and scribed lines are respectively printed on the outer walls of the pre-suction injector, the blood and gas specimen suction injector and the tube sealing saline injector. The scribed lines on 1.5ml and 3.5ml of the outer wall of the pre-suction injector 2 are green scribed lines and blue scribed lines respectively, the scribed lines on 1ml and 2ml of the outer wall of the blood and gas specimen suction injector 3 are yellow scribed lines, and the scribed lines on 2ml and 4ml of the outer wall of the saline injector 4 of the sealing tube are green scribed lines and blue scribed lines respectively, so that important scribed lines are more striking and more visible. The green scribed lines and the blue scribed lines on the outer wall of the pre-suction injector 2, the yellow scribed lines on the outer wall of the blood and gas specimen suction injector 3 and the green scribed lines and the blue scribed lines on the outer wall of the tube sealing saline injector 4 are all closed annular scribed lines which respectively encircle the pre-suction injector 2, the blood and gas specimen suction injector 3 and the tube sealing saline injector 4 for one circle, so that important scribed lines are more striking and easy to see. The push rod colors of the pre-suction injector 2, the blood and gas specimen suction injector 3 and the tube sealing saline injector 4 are respectively white, pink and red, so that the pre-suction injector is easy to distinguish and avoid confusion. The outer end parts of push rods of the pre-suction injector 2, the blood and gas sample suction injector 3 and the tube sealing saline injector 4 are respectively marked with a number 1, a number 2 and a number 3, so that disorder is avoided. The inner wall of the blood and gas sample suction injector 3 is coated with a heparin liquid coating, so that blood coagulation is avoided, and blood cannot be diluted.

The connecting end of the hollow transparent cylinder body 1 is connected with a sealing cover 5 which can rotate relative to the hollow transparent cylinder body 1 in a one-way mode, a second buckle 51 which can be matched with a first corresponding buckle 12 when the sealing cover 5 rotates is protruded on the inner wall of the sealing cover 5, the second buckle 51 is of a step structure and is of an elastic structure, a high step and a low step of the step structure are sequentially distributed according to the rotating direction of the sealing cover, the elastic structure is arranged at the position of the low step, the inclined edge of the first buckle 12 of a triangular structure is opposite to the rotating direction of the sealing cover 5, and the sealing cover 5 can only rotate relative to the hollow transparent cylinder body 1 in one direction. Sealed lid 5 is divided into sealed laminating section 52 and lock section 53, the internal diameter of lock section 53 is greater than the internal diameter of sealed laminating section 52 and constitutes the stair structure with sealed laminating section 52, the end seal laminating of the inner wall of sealed laminating section 52 and the link of the transparent barrel of cavity 1, two 51 buckles are located lock section 53 inner walls, thereby can not only realize sealed lid 5 location when relative transparent barrel of cavity 1 unidirectional rotation arrives the position, and can guarantee the leakproofness between sealed lid 5 and the transparent barrel of cavity 1, avoid taking place the seepage at the rotation in-process. Alignment mark lines 54 can be printed on the outer wall of the sealing cover 5 and the outer wall of the hollow transparent cylinder 1, one alignment mark line is arranged on the outer wall of the sealing cover 5 and corresponds to the second 51 buckle position, three alignment mark lines are arranged on the outer wall of the hollow transparent cylinder 1 and correspond to the first 12 buckle positions, and therefore accurate rotation in place during relative rotation of the sealing cover 5 and the hollow transparent cylinder 1 is facilitated. The second buckle 51 is buckled at the first buckle 12 at the corresponding position when the alignment mark line on the sealing cover 5 aligns with one alignment mark line on the outer wall of the hollow transparent cylinder 1 each time.

The sealing cover 5 is provided with a connecting pipe 6, and the connecting pipe 6 deviates from the axis of the sealing cover 5. The connecting pipe 6 is selectively connected with the pre-suction injector 2, the blood gas sample suction injector 3 or the tube sealing saline injector 4 through the rotation of the sealing cover 5, the free end of the connecting pipe 6 is a threaded joint and can be directly connected with a tee joint (a tee joint without an extension tube) connected with the blood taking needle or a tee joint (a tee joint with an extension tube) connected with the blood taking needle through the extension tube.

When the blood collection needle is used, the connecting pipe 6 is connected to the tee joint directly connected with the blood collection needle, the hollow transparent cylinder 1 is rotated, the connecting pipe 6 firstly corresponds to the liquid inlet and outlet of the pre-suction injector 2, the pre-suction injector 2 is pushed forwards, the liquid inlet and outlet of the pre-suction injector 2 is inserted into the connecting pipe 6, the pre-suction injector is used for pumping tube sealing liquid and pumping a section of blood, and then the pre-suction injector 2 is retreated; rotating the hollow transparent cylinder 1 again to enable the connecting pipe 6 to correspond to the liquid inlet and outlet of the blood and gas sample suction injector 3, pushing the blood and gas sample suction injector 3 forward to enable the liquid inlet and outlet of the blood and gas sample suction injector 3 to be inserted into the connecting pipe 6, sucking whole blood through the blood and gas sample suction injector 3, and then withdrawing the blood and gas sample suction injector 3; and rotating the hollow transparent cylinder 1 again to enable the connecting pipe 6 to correspond to the liquid inlet and outlet of the tube sealing saline injector 4, pushing the tube sealing saline injector 4 forward to enable the liquid inlet and outlet of the tube sealing saline injector 4 to be inserted into the connecting pipe 6, injecting saline into the connecting pipeline of the artery placing pipe through the tube sealing saline injector 4 to seal the tube, and retreating the tube sealing saline injector 4. The hollow transparent cylinder 1 rotates towards the same direction every time, and the positions and states of the pre-suction injector 2, the blood gas specimen suction injector 3 and the tube sealing saline injector 4 inside the hollow transparent cylinder 1 can be seen through the hollow transparent cylinder 1 when the hollow transparent cylinder 1 rotates.

When the connecting pipe 6 is directly connected with the tee without the extension pipe, the blood pumping amount of the pre-pumping injector 2 is 1ml, so that saline and blood can be pumped to a position of 1.5ml, and then all the saline can be pumped; the blood-gas-suction sample injector 3 needs 0.5ml of blood, so that the blood needed for blood-gas analysis can be extracted by pumping pure blood to a 1ml position; the amount of the saline injected into the tube sealing saline injector 4 is 1ml, so that the front end of a piston connected with the front end of a push rod of the tube sealing saline injector 4 moves to a 4ml position when 1ml of water is injected, and the tube sealing purpose can be realized.

When the connecting pipe 6 is directly connected with the tee with the extension pipe, the blood pumping amount of the pre-pumping injector 2 is 3ml, so that saline and blood can be pumped out to a position of 3.5ml, and then all the saline can be pumped out; the blood-gas-sampling-syringe 3 has a blood-gas-sampling-amount of 0.5ml, and therefore, the blood required for blood-gas analysis can be extracted by extracting pure blood to a 1ml position; the amount of the saline injected into the tube sealing saline injector 4 is 3ml, so that the front end of a piston connected with the front end of a push rod of the tube sealing saline injector 4 moves to a position of 2ml when 3ml of water is injected, and the tube sealing purpose can be realized.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. An intraoperative blood gas analysis blood sampling device, comprising: the hollow transparent cylinder is divided into three areas, a tube sealing saline injector, a pre-suction injector and a blood gas sample suction injector are respectively arranged in the three areas, one end of the hollow transparent cylinder is connected with a sealing cover which can rotate in one direction relative to the hollow transparent cylinder, a connecting pipe is arranged on the sealing cover, and the connecting pipe can be selectively connected with the tube sealing saline injector, the pre-suction injector or the blood gas sample suction injector through the relative rotation of the sealing cover and the hollow transparent cylinder.

2. The intraoperative blood gas analysis lancing device of claim 1, wherein: the outer wall of the connecting end, connected with the sealing cover, of the hollow transparent cylinder body is provided with three first buckles which are distributed at intervals in a protruding mode, and the inner wall of the sealing cover is provided with a second buckle which can be matched with the first buckle in a protruding mode when the sealing cover rotates.

3. The intraoperative blood gas analysis lancing device of claim 2, wherein: every buckle I be the triangle-shaped structure to the hypotenuse of triangle-shaped structure is opposite with the direction of rotation of sealed lid, buckle II is the step structure, the high step and the low step of step structure distribute in proper order according to the direction of rotation of sealed lid.

4. The intraoperative blood gas analysis lancing device of claim 3, wherein: the sealing cover is divided into a sealing joint section and a buckling section, the inner diameter of the buckling section is larger than that of the sealing joint section and forms a step structure with the sealing joint section, the inner wall of the sealing joint section is in sealing joint with the end part of the hollow transparent barrel, and the second buckle is located on the inner wall of the buckling section.

5. The intraoperative blood gas analysis lancing device of claim 1, wherein: the volumes of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively 5ml, 5ml and 2ml, and scribed lines are respectively printed on the outer walls of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector.

6. The intraoperative blood gas analysis and blood sampling device of claim 5, wherein: the 2.5ml and 4ml scribed lines on the outer wall of the tube-sealed saline injector are respectively green scribed lines and blue scribed lines, the 1.5ml and 3.5ml scribed lines on the outer wall of the pre-suction injector are respectively green scribed lines and blue scribed lines, and the 1ml and 2ml scribed lines on the outer wall of the blood and gas specimen suction injector are yellow scribed lines.

7. The intraoperative blood gas analysis and blood sampling device of claim 6, wherein: the green scribed line and the blue scribed line on the outer wall of the tube sealing saline injector, the green scribed line and the blue scribed line on the outer wall of the pre-suction injector and the yellow scribed line on the outer wall of the blood and gas sample suction injector are all closed annular scribed lines which respectively surround the tube sealing saline injector, the pre-suction injector and the blood and gas sample suction injector.

8. The intraoperative blood gas analysis lancing device of claim 7, wherein: the push rods of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively white, pink and red in color, and the outer end parts of the push rods of the tube sealing saline injector, the pre-suction injector and the blood and gas specimen suction injector are respectively marked with a number 3, a number 1 and a number 2.

9. The intraoperative blood gas analysis and blood collection device of claim 8, wherein: the inner wall of the blood gas specimen suction injector is coated with a heparin liquid coating.