CN214906986U - Avoid blood gas needle of secondary puncture - Google Patents

Abstract

The utility model discloses an avoid blood gas needle of secondary puncture, its technical scheme main points are: comprises a shunt tube, an extraction mechanism is arranged at the top end of the shunt tube, a fixed hole is arranged on the inner circle wall surface in the shunt tube, a connecting tube is fixedly arranged on the inner circle wall surface of the fixed hole, a sealing ring is fixedly arranged on the outer circle wall surface of the connecting tube, a puncture needle is movably sleeved on the outer circle wall surface of the connecting tube, after the extraction mechanism is arranged, when the medical staff pulls the top plate, the top plate drives the sealing gasket to move through the moving rod, and when the sliding rod is arranged, when the medical staff draws blood in one of the shells, the medical staff can push the sliding rod and suck the blood of the patient into the shell through the shunt tube by the puncture needle inserted into the patient, can make the device internal seal when the extraction through the sealing ring, through two shells that shunt tubes top set up, make the device avoid secondary puncture blood gas needle to reduce patient side puncture number of times.

Description

Avoid blood gas needle of secondary puncture

Technical Field

The utility model relates to a medical treatment blood gas needle field, concretely relates to avoid blood gas needle of secondary puncture.

Background

The arterial blood gas analysis means that indexes such as oxygen partial pressure, carbon dioxide partial pressure value and electrolyte in human arterial blood are measured, so that the respiratory function and the blood acid-base balance condition of a human body are correspondingly evaluated, the indexes can objectively reflect the nature and degree of respiratory failure of a patient, and the arterial blood gas analysis has important significance for giving oxygen therapy, adjusting mechanical ventilation parameters and correcting acid, base and electrolyte imbalance in clinic.

However, most of medical care personnel adopt a needle and an injector in the blood sampling process at present, but when blood is extracted for detection in different types, most of the medical care personnel puncture once and then replace a needle cylinder for secondary puncture, so that a large amount of time and energy of the medical care personnel are wasted, and in order to solve the problems, the blood-gas needle capable of avoiding the secondary puncture is provided.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing an avoid blood gas needle of secondary puncture to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides an avoid blood gas needle of secondary puncture, includes the shunt tubes, the shunt tubes is U style of calligraphy circle tubular structure, and the top of shunt tubes is provided with extraction mechanism, and the fixed orifices is seted up to the inside circle wall of shunt tubes, and the interior circle wall fixed mounting of fixed orifices has the connecting pipe, and the excircle wall fixed mounting head sealing ring of connecting pipe, the activity of the excircle wall of connecting pipe has cup jointed the pjncture needle.

Through adopting above-mentioned technical scheme, be U style of calligraphy circular tube structure through the shunt tubes, make the device can cup joint two extraction mechanisms to make things convenient for medical personnel to reduce the number of times of puncture to same patient.

Preferably, the extracting mechanism comprises a shell, the two shells are arranged at the top end of the flow dividing pipe, a shell hole is formed in the bottom end inside the shell, and a top pipe is fixedly arranged on the inner circle wall surface inside the shell hole.

Through adopting above-mentioned technical scheme, seted up the shell hole through the inside bottom of shell, circle wall fixed mounting has the push pipe in the shell hole is inside, and the outside blood sample of shell flows in the inside of shell through the push pipe to be convenient for the device extraction blood sample.

Preferably, the top pipe is movably sleeved with the shunt pipe, the shell is fixedly installed at the top end of the shunt pipe through the top pipe, and the moving rod is arranged inside the shell.

Through adopting above-mentioned technical scheme, the inside through the shell is provided with removes the stick, removes the stick and can remove in the inside of shell, cup joints together through push pipe and shunt tubes activity to make inside blood sample can flow in the inside of shell through the push pipe.

Preferably, a rod hole is formed in the top end of the shell, the moving rod is movably sleeved with the rod hole, the top end of the moving rod extends to the top end of the shell through the rod hole, a top plate is fixedly mounted on the top end of the moving rod, and a sealing gasket is fixedly mounted on the bottom surface of the moving rod.

Through adopting above-mentioned technical scheme, there is the roof through the top fixed mounting who removes the stick, after medical personnel's pulling roof, the roof drives sealed the pad through removing the stick when removing and removes, and sealed pad can make shell back atmospheric pressure step-down when removing to make the outside blood sample of shell flow in the inside of shell through the push pipe.

Preferably, the moving rod is fixedly installed in the shell through a sealing gasket, a plurality of fixing grooves are formed in the outer circle wall surface of the moving rod, two sliding holes are formed in the outer circle wall surface of the shell, the sliding rod is sleeved in the sliding holes in a movable mode, and the sliding rod is sleeved with the fixing grooves in a movable mode.

Through adopting above-mentioned technical scheme, cup joint together through slip stick and fixed slot activity, work as medical personnel pushing the slip stick, make the slip stick cup joint together with the fixed slot activity, remove the stick at this moment and fix the inside back at the shell to prevent medical personnel when extracting another, one of them backward flow.

Preferably, two moving blocks are fixedly mounted on the outer circular wall surface of the sliding rod, two moving grooves are formed in the inner circular wall surface of the sliding hole, the moving blocks are movably clamped with the moving grooves, and the sliding rod is fixedly mounted inside the sliding hole through the moving blocks.

Through adopting above-mentioned technical scheme, after the movable block and the movable joint of shifting chute are in the same place, the slide bar fixed mounting is in the inside of sliding hole this moment, prevents that the slide bar from sliding out the inside of sliding hole after sliding.

To sum up, the utility model discloses mainly have following beneficial effect:

after through setting up extraction mechanism, after medical personnel pulled the roof, the roof was sealed through removing the stick drive and is sealed the removal of filling up this moment, can pass through the inside that the shunt tubes inhaled the shell with patient's blood through inserting patient's inside pjncture needle, can make the device inside sealed when the extraction through the sealing ring, through two shells that the shunt tubes top set up, makes the device avoid the secondary to pierce through the blood gas needle to reduce patient side puncture number of times.

When setting up the slip stick, when medical personnel had taken out the blood at one of them shell and had taken out the back, medical personnel were promoting the slip stick, made the slip stick cup joint together with the fixed slot activity, moved the stick this moment and fixed the inside back at the shell to prevent medical personnel when extracting another, one of them backward flow, thereby made the device be convenient for medical personnel's extraction.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the housing of the present invention;

FIG. 3 is a partial schematic view of A in FIG. 2;

fig. 4 is a schematic view of the structure of the shunt tube of the present invention.

Reference numerals: 1. a shunt tube; 2. jacking pipes; 3. a housing; 4. moving the rod; 5. a rod hole; 6. a gasket; 7. fixing grooves; 8. a slide hole; 9. a slide bar; 10. a moving block; 11. a moving groove; 12. a top plate; 13. a shell aperture; 14. a fixing hole; 15. a connecting pipe; 16. a seal ring; 17. a puncture needle.

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 and 2, a avoid blood gas needle of secondary puncture, including shunt tubes 1, shunt tubes 1 is U style of calligraphy circle tubular structure, shunt tubes 1's top is provided with two shells 3, shell 3 is the hollow cylindrical structure of plastics system, shell hole 13 has been seted up to the inside bottom of shell 3, shell hole 13 is circular through-hole, circle wall fixed mounting has push pipe 2 in shell hole 13 is inside, push pipe 2 is the circle tubular structure, push pipe 2 cup joints together with shunt tubes 1 activity, shell 3 passes through push pipe 2 fixed mounting on shunt tubes 1's top, shell 3's inside is provided with removes stick 4, remove stick 4 and be cylindrical structure, stick hole 5 has been seted up on shell 3's top, stick hole 5 is circular through-hole.

Referring to fig. 2 and 3, the moving rod 4 is movably sleeved with a rod hole 5, the top end of the moving rod 4 extends to the top end of the housing 3 through the rod hole 5, the top end of the moving rod 4 is fixedly provided with a top plate 12, the top plate 12 is of a round block structure, the bottom surface of the moving rod 4 is fixedly provided with a sealing gasket 6, the sealing gasket 6 is of a rubber round block structure, the moving rod 4 is fixedly arranged inside the housing 3 through the sealing gasket 6, the excircle wall surface of the moving rod 4 is provided with a plurality of fixing grooves 7, the fixing grooves 7 are round grooves, the excircle wall surface of the housing 3 is provided with two sliding holes 8, the sliding holes 8 are round through holes, the sliding rod 9 is movably sleeved inside the sliding holes 8, the sliding rod 9 is of a cylindrical structure, the sliding rod 9 is movably sleeved with the fixing grooves 7, when the medical staff pulls the top plate 12, the top plate 12 drives the sealing gasket 6 to move through the moving rod 4.

Referring to fig. 3, 4 and 1, two moving blocks 10 are fixedly mounted on an outer circumferential wall surface of a sliding rod 9, each moving block 10 is an arc-shaped block, two moving grooves 11 are formed in an inner circumferential wall surface of a sliding hole 8, each moving groove 11 is an arc-shaped groove, each moving block 10 is movably clamped with the corresponding moving groove 11, the sliding rod 9 is fixedly mounted inside the sliding hole 8 through the corresponding moving block 10, a fixing hole 14 is formed in the inner circumferential wall surface of a shunt tube 1, each fixing hole 14 is a circular through hole, a connecting tube 15 is fixedly mounted on the inner circumferential wall surface of the corresponding fixing hole 14, the connecting tube 15 is of a circular tube-shaped structure, a mounting head sealing ring 16 is fixed on the outer circumferential wall surface of the corresponding connecting tube 15, the sealing ring 16 is of a rubber circular ring-shaped structure, a puncture needle 17 is movably sleeved on the outer circumferential wall surface of the corresponding connecting tube 15, the puncture needle 17 is an existing structure and is not described herein again, after a medical worker takes a blood sample in one of the shell 3, the sliding rod 9 is pushed by the medical worker, make slip stick 9 and fixed slot 7 activity cup joint together, remove the stick 4 and fix the inside back at shell 3 this moment to prevent that medical personnel when extracting another, one of them backward flow, thereby make the device be convenient for medical personnel's extraction.

When using, through setting up the extraction mechanism after, after medical personnel pulled roof 12, roof 12 was sealed 6 removals of drive through removing stick 4 this moment, can inhale the inside of shell 3 through shunt tubes 1 with patient's blood through inserting patient's inside pjncture needle 17, can make the device internal seal when the extraction through sealing ring 16, through two shells 3 that shunt tubes 1 top set up, make the device avoid the secondary to pierce through the blood gas needle to reduce patient side puncture number of times.

When setting up slide bar 9, when medical personnel had taken out the blood at one of them shell 3 and had taken out the back, medical personnel were promoting slide bar 9, made slide bar 9 cup joint together with the activity of fixed slot 7, moved stick 4 this moment and fixed the inside back at shell 3 to prevent medical personnel when extracting another, one of them backward flow, thereby made the device be convenient for medical personnel's extraction.

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 (5)

1. The utility model provides an avoid blood gas needle of secondary puncture, includes shunt tubes (1), its characterized in that: the flow dividing pipe (1) is of a U-shaped circular pipe structure, an extraction mechanism is arranged at the top end of the flow dividing pipe (1), a fixing hole (14) is formed in an inner circular wall surface in the flow dividing pipe (1), a connecting pipe (15) is fixedly arranged on the inner circular wall surface of the fixing hole (14), a mounting head sealing ring (16) is fixedly arranged on an outer circular wall surface of the connecting pipe (15), a puncture needle (17) is movably sleeved on the outer circular wall surface of the connecting pipe (15), the extraction mechanism comprises a shell (3), two shells (3) are arranged at the top end of the flow dividing pipe (1), a shell hole (13) is formed in the bottom end in the shell (3), a push pipe (2) is fixedly arranged on the inner circular wall surface in the shell hole (13), a moving rod (4) is arranged in the shell (3), a plurality of fixing grooves (7) are formed in the outer circular wall surface of the moving rod (4), and two sliding holes (8) are formed in the outer circular wall surface of the shell (3), the inside of the sliding hole (8) is movably sleeved with a sliding rod (9), and the sliding rod (9) is movably sleeved with the fixed groove (7).

2. A blood gas needle avoiding secondary puncture according to claim 1, wherein: the top pipe (2) is movably sleeved with the shunt pipe (1), and the shell (3) is fixedly installed at the top end of the shunt pipe (1) through the top pipe (2).

3. A blood gas needle avoiding secondary puncture according to claim 2, wherein: excellent hole (5) have been seted up on the top of shell (3), move excellent (4) and cup joint together excellent hole (5) activity, move the top of excellent (4) and extend to the top of shell (3) through excellent hole (5), the top fixed mounting who moves excellent (4) has roof (12), the bottom surface fixed mounting who moves excellent (4) has sealed pad (6).

4. A blood gas needle avoiding secondary puncture according to claim 3, wherein: the moving rod (4) is fixedly arranged in the shell (3) through a sealing gasket (6).

5. A blood gas needle avoiding secondary puncture according to claim 4, wherein: two moving blocks (10) are fixedly mounted on the outer circle wall surface of the sliding rod (9), two moving grooves (11) are formed in the inner circle wall surface of the sliding hole (8), the moving blocks (10) are movably clamped with the moving grooves (11), and the sliding rod (9) is fixedly mounted inside the sliding hole (8) through the moving blocks (10).

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