CN211798172U - Anti-drop fixed inner buckle type butterfly clamp for central venipuncture - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to an anti-drop fixed inner-buckled butterfly-shaped clamp for central venipuncture, which comprises an inner clamp and an outer clamp, wherein the inner clamp is cylindrical, a conduit is arranged at the center of the inner clamp and passes through a conduit channel, an inner clamp wing is arranged outside the inner clamp along the axial direction of the inner clamp, the inner clamp wing is a flat plate fixedly connected with the inner clamp, and an opening communicated with the conduit channel is arranged in the direction of the connecting position of the inner clamp and the inner clamp wing away from the inner clamp; the outer clamp is provided with a clamping groove for accommodating the inner clamp, and the outer clamp is provided with outer clamping fins which are parallel to the inner clamping fins in a fixed state of the inner clamp and the outer clamp. The utility model discloses a set up conduit channel's mode on the inner clamp, make the fixed of pipe more firm, and do not influence the cooperation of inner clamp and outer clamp, be favorable to maintaining the stationary state of pipe, guarantee operation safety.

Description

Anti-drop fixed inner buckle type butterfly clamp for central venipuncture

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a central vein puncture is with fixed interior knot formula butterfly clamp of anticreep.

Background

The central venous catheter is a rapid infusion channel for placing the catheter into a central vein through a great vessel by generally selecting a subclavian vein, an internal jugular vein and a femoral vein, has the advantages of large-scale rapid infusion, monitoring of central venous pressure, simplicity in puncture, safety, high success rate, few complications, convenience in nursing and the like, is popularized and used in clinical treatment, particularly treatment of critical patients, and needs to be fixed in a clamping groove of a butterfly clamp in the operation process and then the butterfly clamp is sewn on the skin to be fixed. The butterfly-shaped clamp for central venipuncture disclosed by Chinese patent publication No. CN203736311U comprises a sub-clamp and a main clamp, wherein a main body of the sub-clamp is cylindrical, a clamping groove of the sub-clamp is formed in the main clamp, the main body of the sub-clamp is matched with the clamping groove of the sub-clamp, a conduit clamping groove is axially formed in the main body of the sub-clamp, sub-clamp wings are symmetrically arranged on the sub-clamp, main clamp wings are symmetrically arranged on the main clamp, the sub-clamp wings correspond to the main clamp wings in position, threading holes are formed in the sub-clamp wings and the main clamp wings, the threading holes on the same sides of the sub-clamp wings and the main clamp wings are overlapped in position, and the opening part of the conduit clamping groove. Because the opening part of the conduit clamping groove faces the female clamp and is buckled on the female clamp, the matching difficulty of the sub-clamp and the female clamp is high, the effective matching of the sub-clamp and the female clamp can be ensured only by accurate positioning, and if the positioning is not accurate, the sub-clamp and the female clamp are easy to loosen.

Disclosure of Invention

In view of this, the utility model aims at prior art's not enough, provide a central vein puncture is with fixed interior knot formula butterfly clamp of anticreep, through the mode that sets up the pipe passageway on the interior clamp, make the fixed of pipe more firm, and do not influence the cooperation of interior clamp and outer clamp, be favorable to maintaining the stationary state of pipe, guarantee to execute the art safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a central venipuncture is with fixed interior knot formula butterfly clamp of anticreep which characterized in that: the guide pipe clamping device comprises an inner clamp and an outer clamp, wherein the inner clamp is cylindrical, a guide pipe channel is arranged in the center of the inner clamp, an inner clamping fin is arranged outside the inner clamp along the axial direction of the inner clamp, the inner clamping fin is a flat plate fixedly connected with the inner clamp, and an opening communicated with the guide pipe channel is arranged in the direction of the inner clamp far away from the connecting position of the inner clamp and the inner clamping fin; the outer clamp is provided with a clamping groove for accommodating the inner clamp, the width size of an outlet of the clamping groove is smaller than the diameter of the inner clamp, so that the inner clamp is placed into the clamping groove to form the fixation of the inner clamp and the outer clamp, and the outer clamp is provided with outer clamping fins which are parallel to the inner clamping fins in the fixed state of the inner clamp and the outer clamp.

As a further improvement of the utility model, the internal clamping wings are symmetrically provided with at least two threading holes in the axial direction, and the external clamping wings are provided with corresponding threading holes in the corresponding positions of the internal clamping wings.

As a further improvement of the utility model, the both ends of interior clamp are provided with the segmental arc respectively, the diameter size of segmental arc by the centre to the tip direction of interior clamp reduces gradually.

As a further improvement of the present invention, the conduit channel is provided with a buffer portion for avoiding the conduit from bending at the axial outlet of the inner clip.

As a further improvement of the utility model, the length dimension of the inner clip is 23 mm.

As a further improvement of the utility model, the buffer part is a step which is positioned at the outlet position of the conduit channel and has a diameter size larger than the diameter size of the conduit channel.

As a further improvement of the utility model, the outer clamping wings are arranged on one side of the outlet of the outer clamping groove.

The utility model has the advantages that:

the utility model discloses when using, put into the pipe passageway with central vein puncture pipe in, then with interior clamp lock in plus draw-in groove, because the width size of the export of draw-in groove is less than the diameter size of interior clamp makes the difficult and outer separation that presss from both sides of interior clamp, makes the fixed of pipe more firm, can not take off from the pine of interior clamp, and does not influence the cooperation of interior clamp and outer clamp, is favorable to maintaining the stationary state of pipe, guarantees operation safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

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

FIG. 2 is a schematic structural view of the inner clip of the present invention;

fig. 3 is a schematic view of the sectional structure of the inner clip of the present invention.

In the figure: the device comprises an outer clamp 1, an inner clamp 2, a clamping groove 3, a conduit channel 4, an inner clamping fin 5, an outer clamping fin 6, a threading hole 7, a buffering part 8 and an arc-shaped section 9.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.

As shown in fig. 1 to 3, the anti-drop fixed inner buckle type butterfly clamp for central venipuncture comprises an inner clamp 2 and an outer clamp 1, wherein the inner clamp 2 is cylindrical, a conduit passage 4 is arranged in the center of the inner clamp 2, an inner clamping fin 5 is arranged outside the inner clamp 2 along the axial direction of the inner clamp 2, the inner clamping fin 5 is a flat plate fixedly connected with the inner clamp 2, and an opening communicated with the conduit passage 4 is arranged in the direction of the inner clamp 2 away from the connecting position of the inner clamp 2 and the inner clamping fin 5; the outer clamp 1 is provided with a clamping groove 3 for accommodating the inner clamp 2, the width of an outlet of the clamping groove 3 is smaller than the diameter of the inner clamp 2, so that the inner clamp 2 is placed into the clamping groove 3 to form the fixation of the inner clamp 2 and the outer clamp 1, and the outer clamp 1 is provided with an outer clamping fin 6 parallel to the inner clamping fin 5 in the fixed state of the inner clamp 2 and the outer clamp 1. When the device is used, the central venous puncture catheter is placed into the catheter channel 4, then the inner clamp 2 is buckled in the additional clamping groove 3, and the width size of the outlet of the clamping groove 3 is smaller than the diameter size of the inner clamp 2, so that the inner clamp 2 is not easy to separate from the outer clamp 1, the catheter is more firmly fixed, the inner clamp 2 cannot be loosened, the matching of the inner clamp 2 and the outer clamp 1 is not influenced, the fixed state of the catheter is favorably maintained, and the operation safety is ensured.

As a further improvement of the utility model, the internal clamping wings 5 are arranged along the axial positions of the internal clamping wings 2 are symmetrically provided with at least two threading holes 7, and the external clamping wings 6 and the corresponding positions of the internal clamping wings 5 are provided with the corresponding threading holes 7. After the catheter is fixed, a medical suture line penetrates through the threading hole 7 to sew the butterfly-shaped clamp at the skin of a patient, and then the fixing effect of the butterfly-shaped clamp can be achieved.

As a further improvement, the both ends of interior clamp 2 are provided with segmental arc 9 respectively, segmental arc 9's diameter size by the centre to the tip direction of interior clamp 2 reduces gradually, through segmental arc 9 for this device accords with human body curve more, makes the pipe put human skin of laminating more humanized after managing, has reduced the butterfly clamp pine and has taken off and the secondary emergence of putting phenomenons such as pipe, thrombus, alleviates patient's misery, more accords with clinical actual demand.

As a further improvement, the inner clip 2 is formed by PVC injection molding, so that the inner clip 2 has the advantages of high bending strength and impact toughness strength, has the advantages of smooth surface, high stability, durability, ageing resistance and the like, and effectively reduces the phenomenon of loosing and falling off due to long retention time of central venous catheter

As a further improvement, the conduit passage 4 is followed 2 axial exports of internal clamp are provided with the buffer 8 of avoiding the pipe to buckle for behind this device put into the pipe, the pipe is gentler 4 positions of business turn over conduit passage, can effectual protection pipe.

Preferably, the buffer part 8 is a step with a diameter size larger than that of the conduit channel 4 at the outlet position of the conduit channel 4, and the height of the step is 0.3 mm. The buffer portion 8 may be a rounded corner having a radius of 0.3mm, or a 45-degree chamfer having a height and width of 0.3 mm.

As a further improvement of the utility model, the length dimension of the inner clip 2 is 23 mm.

As a further improvement of the utility model, outer press from both sides wing 6 set up in outer press from both sides 1 and be close to export one side of draw-in groove 3 for after interior clamp 2 pressed from both sides 1 lock outward, the cooperation between interior clamp wing 5 and the outer press from both sides wing 6 is compacter, is favorable to reducing the weight of adhering to with the fixing device of patient's skin, reduces patient's misery.

It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.

Claims (7)

1. The utility model provides a central venipuncture is with fixed interior knot formula butterfly clamp of anticreep which characterized in that: the pipe clamp comprises an inner clamp (2) and an outer clamp (1), wherein the inner clamp (2) is cylindrical, a conduit passage (4) is formed in the center of the inner clamp (2), inner clamping fins (5) are arranged on the outer portion of the inner clamp (2) along the axial direction of the inner clamp (2), the inner clamping fins (5) are flat plates fixedly connected with the inner clamp (2), and an opening communicated with the conduit passage (4) is formed in the direction, away from the connecting position of the inner clamp (2) and the inner clamping fins (5), of the inner clamp (2); outer clamp (1) is provided with and holds draw-in groove (3) of interior clamp (2), the width dimension of the export of draw-in groove (3) is less than the diameter of interior clamp (2), makes interior clamp (2) put into draw-in groove (3) form interior clamp (2) with the fixed of outer clamp (1), outer clamp (1) is provided with interior clamp (2) with under outer clamp (1) fixed state with interior clamp wing (5) parallel outer press from both sides wing (6).

2. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 1, characterized in that: the inner clamping wings (5) are symmetrically provided with at least two threading holes (7) along the axial direction of the inner clamp (2), and the corresponding threading holes (7) are arranged at the positions of the outer clamping wings (6) corresponding to the inner clamping wings (5).

3. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 1, characterized in that: the two ends of the inner clamp (2) are respectively provided with an arc-shaped section (9), and the diameter size of the arc-shaped section (9) is gradually reduced from the middle of the inner clamp (2) to the end part direction.

4. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 3, wherein: the length of the inner clip (2) is 23 mm.

5. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 1, characterized in that: and a buffer part (8) for avoiding the bending of the guide pipe is arranged at the outlet of the guide pipe channel (4) along the axial direction of the inner clamp (2).

6. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 5, wherein: the buffer part (8) is a step which is positioned at the outlet of the conduit channel (4) and has a diameter size larger than that of the conduit channel (4).

7. The anti-drop fixed internally-buckled butterfly clamp for central venipuncture according to claim 1, characterized in that: the outer clamping wings (6) are arranged on one side, close to the outlet of the clamping groove (3), of the outer clamp (1).

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