CN217899158U

CN217899158U - Adapter of luer-type sample inlet of blood gas analyzer

Info

Publication number: CN217899158U
Application number: CN202221164774.4U
Authority: CN
Inventors: 何明逊; 程盼伟
Original assignee: Us Europe Micro Medical Wuhan Co ltd
Current assignee: Us Europe Micro Medical Wuhan Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-11-25
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a luer hair style sample inlet's of blood gas analysis appearance adapter belongs to medical equipment technical field. Including barrel-shaped body (1) and the coaxial luer head public head (2) that sets up of front end thereof, luer head public head (2) and the female cooperation of luer head on the introduction port, barrel-shaped body (1) are cylindric and its inner wall evenly distributed has multi-disc guide flap (3), the coaxial jack (5) that supply capillary (4) male that are equipped with in rear portion of luer head public head (2), jack (5) and barrel-shaped body (1) intercommunication and its hole (6) than luer head public head (2) are big, the front end of capillary (4) can pass guide flap (3) and insert in jack (5), multi-disc guide flap (3) encircle capillary (4) and set up, guide flap (3) are along setting up and the outer wall contact of its inner and capillary (4) around. The adapter is used to convert a capillary tube to a luer. Has the advantages of stable fixation, convenient operation, good sealing performance and the like.

Description

Adapter of luer-type sample inlet of blood gas analyzer

Technical Field

The utility model belongs to the technical field of medical equipment, in particular to blood gas analyzer's luer hair style introduction port's adapter for realize capillary switching luer head.

Background

The capillary tube can be used for collecting blood samples for in vitro diagnosis and analysis in clinic, after the capillary tube collects the blood samples, the blood samples temporarily stored in the capillary tube need to be led into a blood gas analyzer for analysis and detection, and the process is called sample loading and sample introduction. Generally, the connection interfaces of the blood gas analyzer and the blood sampling device are divided into two types, namely luer connection and capillary connection, and the general preset type artery collector adopts an injector-like structure and is a luer connector, so that capillary sampling cannot be used.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, an embodiment of the utility model provides an adapter of luer hair style introduction port of blood gas analysis appearance for with the capillary switching for luer. The technical scheme is as follows:

the embodiment of the utility model provides an adapter of luer formula introduction port of blood gas analysis appearance, luer first public head 2 including the coaxial setting of tube-shape body 1 and front end, luer first public head 2 cooperates with female head of luer on the introduction port, tube-shape body 1 has multi-disc guide flap 3 for cylindric and its inner wall evenly distributed, coaxial being equipped with in rear portion of luer first public head 2 supplies capillary 4 male jack 5, jack 5 is big with 1 intercommunication of tube-shape body and its hole 6 than luer first public head 2, the front end of capillary 4 can pass guide flap 3 and insert jack 5, and multi-disc guide flap 3 encircles capillary 4 and sets up, guide flap 3 contacts to the outer wall that sets up and its inner and capillary 4 around along.

Preferably, the outer wall of the cylindrical body 1 in the embodiment of the present invention is provided with anti-slip lines 7.

Specifically, the guiding flap 3 in the embodiment of the present invention is disposed at the front of the tubular body 1 and radially disposed along the tubular body 1.

Preferably, the rear side of the guiding flap 3 in the embodiment of the present invention is set from back to front obliquely inward, and the rear side of the multiple guiding flaps 3 forms a conical surface coaxial with the tubular body 1.

Preferably, the inner end of the guiding flap 3 in the embodiment of the present invention is flush with the inner wall of the insertion hole 5 and has an arc-shaped structure.

Specifically, the number of the guide flaps 3 in the embodiment of the present invention is six.

Wherein, the embodiment of the utility model provides an in tubular body 1 and luer head public head 2 obtain by LDPE integrated into one piece.

The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the embodiment of the utility model provides a blood gas analyzer's adapter of luer hair style introduction port for with the capillary switching for luer head. In addition, the adapter also has the advantages of stable capillary tube fixation, convenient operation (such as convenient capillary tube insertion, convenient holding and the like), good sealing performance and the like.

Drawings

Fig. 1 is a diagram illustrating a usage state of an adapter of a luer sample inlet of a blood gas analyzer according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an adapter of a luer sample inlet of a blood gas analyzer provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an adapter of a luer sample inlet of a blood gas analyzer according to an embodiment of the present invention.

In the figure: 1 cylinder-shaped body, 2 luer male, 3 guide lamella, 4 capillary, 5 jacks, 6 holes, 7 anti-skidding lines.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-3, the embodiment of the utility model provides an adapter of luer hair style inlet of blood gas analysis appearance, including the public head 2 of luer head of tubular body 1 and the coaxial setting of front end, tubular body 1 forms similar cylinder column structure with the public head 2 of luer head. The luer male head 2 is matched with the luer female head on the sample inlet so as to realize connection with the sample inlet. Tube-shape body 1 is cylindric and its inner wall evenly distributed has multi-disc guide flap 3, and guide flap 3's effect has a plurality ofly: firstly, the forming is convenient, and the wall thickness of the cylindrical body 1 is not greatly different from that of the luer male head 2; secondly, the capillary tube 4 is guided to be inserted into the jack 5; thirdly, when the capillary 4 is inserted into the jack 5, the capillary 4 is prevented from shaking, and the stability is further improved. The rear part of the luer head male head 2 is coaxially provided with a jack 5 for inserting the capillary tube 4, the jack 5 is tightly matched with the capillary tube 4, and the adapter is made of a slightly deformable material such as LDPE. The jack 5 is communicated with the cylindrical body 1 and is larger than an inner hole 6 of the luer male head 2, and the jack 5 and the inner hole 6 are coaxially arranged and communicated. The tip of the capillary 4 can be inserted into the insertion hole 5 through the guide flap 3 (a plurality of guide flaps 3 enclose a circular hole having the same diameter as the insertion hole 5 but having a small contact surface and thus can be smoothly inserted). The plurality of guide flaps 3 are arranged around the capillary tube 4, the guide flaps 3 are arranged in the front-back direction, and the inner ends of the guide flaps are in contact with the outer wall of the capillary tube 4.

Preferably, referring to fig. 1 and 3, the outer wall of the cylindrical body 1 in the embodiment of the present invention is provided with anti-slip lines 7 to facilitate holding the cylindrical body 1; the anti-slip threads 7 are arranged in the front-back direction, and are arc-shaped protrusions which are uniformly distributed on the circumferential surface of the cylindrical body 1. Further, the cylindrical body 1 is also sized to be easily held, for example, with an outer diameter of 6-12mm.

Specifically, referring to fig. 2-3, the guiding flaps 3 in the embodiment of the present invention are disposed at the front of the tubular body 1 and arranged along the radial direction of the tubular body 1. Specifically, the leading end of the guide flap 3 is fixed to the rear side of the shoulder of the leading end of the tubular body 1, the outer end thereof is fixed to the inner wall of the tubular body 1, and the rear end thereof is located forward of the rear end of the tubular body 1.

Preferably, referring to fig. 2-3, the rear side of the guiding flaps 3 in the embodiment of the present invention is disposed obliquely inward from back to front, and the rear side of the guiding flaps 3 forms a conical surface coaxial with the tubular body 1 to facilitate insertion of the capillary 4.

Preferably, referring to fig. 2-3, the inner end of the guide flap 3 in the embodiment of the present invention is flush with the inner wall of the insertion hole 5 and has an arc structure to reduce resistance when the capillary 4 passes through.

Specifically, referring to fig. 2-3, the number of the guiding petals 3 in the embodiment of the present invention is six, the included angle between two adjacent guiding petals 3 is 60 °, and the thickness of the guiding petals 3 is almost the same as that of the cylindrical body 1.

Wherein, the embodiment of the utility model provides an in tubular body 1 and luer male end 2 obtain by LDPE integrated into one piece.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Adapter of luer hair style inlet port of blood gas analysis appearance, its characterized in that, including barrel-shaped body (1) and the coaxial luer head public head (2) that sets up of front end, luer head public head (2) and the female cooperation of luer head on the inlet port, barrel-shaped body (1) be cylindric and its inner wall evenly distributed have multi-disc guide flap (3), the coaxial jack (5) that supply capillary (4) to insert that are equipped with in rear portion of luer head public head (2), jack (5) are big with barrel-shaped body (1) intercommunication and its hole (6) than luer head public head (2), the front end of capillary (4) can pass guide flap (3) and insert in jack (5), and multi-disc guide flap (3) encircle capillary (4) and set up, guide flap (3) are along setting and the outer wall contact of its inner and capillary (4) around.

2. The adapter of luer-type sample inlet of blood gas analyzer as claimed in claim 1, wherein the outer wall of the cylindrical body (1) is provided with anti-slip threads (7).

3. Adapter for luer-type sample inlets for blood gas analyzers according to claim 1, characterized in that the guiding flap (3) is provided at the front of the cylindrical body (1) and it is arranged along the radial direction of the cylindrical body (1).

4. The adapter for luer-type sample inlet of blood gas analyzer according to claim 1, wherein the rear sides of the guide flaps (3) are disposed obliquely inward from back to front, and the rear sides of the guide flaps (3) form a conical surface coaxial with the cylindrical body (1).

5. The adapter for luer tip injection ports of blood gas analyzers according to claim 1, wherein the inner ends of the guide flaps (3) are flush with the inner wall of the insertion hole (5) and are of an arc-shaped structure.

6. Adapter for luer tip injection port for a blood gas analyzer according to claim 1, characterized in that the number of guide flaps (3) is six.

7. The adapter of luer-type sample inlet of blood gas analyzer as claimed in claim 1, wherein the cylindrical body (1) and luer-type male (2) are integrally formed of LDPE.