CN218833312U

CN218833312U - Wrist fixer for arterial puncture catheter

Info

Publication number: CN218833312U
Application number: CN202222178201.3U
Authority: CN
Inventors: 史成梅; 邓莹; 郭向阳
Original assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Current assignee: Peking University Third Hospital Peking University Third Clinical Medical College
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-04-11
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to a wrist fixer for artery puncture puts pipe belongs to the medical instrument field, has solved and has been difficult to fix when putting pipe or arterial blood extraction to the patient artery puncture among the prior art and has maintained arm and straighten, the mild body state of carrying on one's back of the body of palm, leads to puncture in-process artery to bleed easily to cause the problem of damage to the patient. The utility model relates to a wrist fixer for an arterial puncture catheter, which comprises a first base, an adjusting plate and an adjuster; the first base is rotatably connected with the adjusting plate, and two ends of the adjuster are respectively connected with the first base and the adjusting plate; the regulator can adjust the contained angle between regulating plate and the first base. The utility model provides a wrist fixer can adjust fixedly, and the flexible operation is simple, the control of being convenient for to the angle between palm and the forearm.

Description

Wrist fixer for arterial puncture catheter

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a wrist fixer that is used for artery puncture to put pipe.

Background

In the medical field, arterial puncture catheterization or arterial blood extraction is often required for a patient, and during operation, the states of the patient with the arms straightened, the five fingers opened and the palm bent toward the forearm need to be fixedly maintained, so that the puncture position can be conveniently positioned and puncture can be conveniently carried out.

Place self-control gauze or infusion bottle under the wrist at present usually and come to adjust the bend angle between palm and the forearm, utilize the adhesive tape to be fixed in the hand on holding in the palm board, but this kind of mode can't effectively fix the wrist and adjust the contained angle between palm and the arm, thereby lead to the puncture in-process to be difficult to fix a position and lead to the artery to bleed easily, cause the damage to the patient.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned analysis, the utility model aims at providing a wrist fixer for pipe is put in arterial puncture has solved among the prior art and has carried out the arterial puncture to the patient and put pipe or arterial blood extraction when difficult fixed wrist and adjust contained angle between palm and the arm, lead to the in-process artery of puncture easily to cause the problem of damage to the patient.

The purpose of the utility model is mainly realized through the following technical scheme:

the utility model provides a wrist fixer for an arterial puncture catheter, which comprises a first base, an adjusting plate and an adjuster; the first base is rotatably connected with the adjusting plate, and two ends of the adjuster are respectively connected with the first base and the adjusting plate; the regulator can adjust the contained angle between regulating plate and the first base.

Further, the first base comprises a base, a first soft layer and a fixing band; an arc-shaped groove is arranged on the base; the first soft layer is attached to the arc-shaped groove; the fixed band can carry out the elasticity to placing at the forearm of arc recess and fix.

Further, the adjusting plate comprises a plate body; the plate body is rotatably connected with the base through a rotating shaft.

Furthermore, the adjusting plate also comprises a second soft layer and an adjusting belt, and the second soft layer is arranged on the plate body; two ends of the adjusting belt are arranged on the second soft layer; the adjusting belt comprises a first adjusting belt and a second adjusting belt, and the first adjusting belt and the second adjusting belt are connected through a magic tape layer in a sticking mode.

Furthermore, a fan-shaped cover is arranged on the base and used for shielding the joint of the base and the adjusting plate.

Furthermore, the regulator comprises a rotating rod, a fixed shaft and a limiting sleeve; the fixed shaft is arranged on the adjusting plate; the limiting sleeve is arranged on the base; the dwang is located between fixed axle and the stop collar.

Furthermore, one end of the rotating rod is a spherical end; the fixed shaft penetrates through the channel of the spherical end head to be rotationally connected with the spherical end head; the other end of the rotating rod can penetrate through the through hole in the limiting sleeve and can move in the limiting sleeve.

Further, the fixed shaft comprises a shaft body and clamping blocks arranged at two ends of the shaft body; the rotating rod is sleeved on the shaft body through a channel on the spherical end; the fixture block can carry out axial spacing with the dwang on the axis body.

Furthermore, the limiting sleeve comprises a handle, a second base and an adjusting screw; the two ends of the adjusting screw are respectively connected with the handle and the second base.

Furthermore, the through hole is formed in the cylinder of the second base; the adjusting screw is fixedly connected with the handle and is in threaded connection with the threaded channel on the second base; the thread channel is vertical to and communicated with the through hole; the adjusting screw can pass through the threaded passage and enter the through hole.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

(1) The wrist fixer for the artery puncture catheter of the utility model has the advantages that the adjusting plate is used for fixing the palm, the first base is used for fixing the forearm, the adjusting of the included angle between the forearm and the palm is realized through the rotary connection of the fixing plate and the first base, and the operation is flexible;

(2) The wrist fixer for the artery puncture catheter of the utility model has the advantages that the length of the adjusting belt on the adjusting plate can be adjusted through the magic tape layer, so that palms with different sizes can be conveniently matched, and the application range is wide;

(3) The utility model discloses a wrist fixer for pipe is put in artery puncture, the regulator can be fixed to the contained angle between regulating plate and the first base, is convenient for be fixed in the angle that is fit for the puncture with the regulating plate, avoids leading to the artery to bleed because of puncture in-process palm changes.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

Fig. 1 is a schematic structural view of the wrist fixer for arterial puncture catheterization according to the present invention;

FIG. 2 is a schematic structural view of the fan-shaped cover of the wrist fixator for arterial puncture catheterization according to the present invention;

FIG. 3 is a schematic structural view of the wrist fixator of the present invention for arterial puncture catheterization;

fig. 4 is a schematic structural view of the fixing shaft of the wrist fixer for arterial puncture catheterization according to the present invention;

fig. 5 is a schematic structural view of the stop collar of the wrist fixator for arterial puncture catheterization according to the present invention.

Reference numerals:

1-a first base; 11-a base; 111-sector covers; 12-a first softer layer; 13-fixing the belt; 2-adjusting plate; 21-a plate body; 22-a second softer layer; 23-a regulatory band; 3-a regulator; 31-rotating rods; 311-spherical end; 32-a fixed shaft; 321-a shaft body; 322-a fixture block; 33-a stop collar; 331-a handle; 332-a second base; 3321-a through-hole; 3322-threaded passage; 333-adjusting screw.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

The embodiment of the present invention is described in detail with reference to the accompanying drawings 1 to 5 as follows:

the wrist fixer for arterial puncture catheterization provided by the embodiment comprises a first base 1, an adjusting plate 2 and an adjuster 3, as shown in fig. 1; first base 1 rotates with regulating plate 2 to be connected, and on first base 1 and regulating plate 2 were located respectively at the both ends of regulator 3, regulator 3 can be fixed the contained angle between regulating plate 2 and the first base 1.

The first base 1 comprises a base 11, a first soft layer 12 and a fixing belt 13; the base 11 is a cube, and the upper end of the base is provided with an arc-shaped groove for placing a front arm; the first soft layer 12 is arranged on the base 11, preferably is a spongy cushion, is attached to the arc-shaped groove and is used for enhancing the comfort of the arm; the fixing band 13 is preferably an elastic bandage, which is provided on the upper portion of the arc-shaped groove of the base 11 to elastically fix the forearm placed in the arc-shaped groove by forming a closed space with the arc-shaped groove.

The adjusting plate 2 is used for fixing the palm and comprises a plate body 21, a second soft layer 22 and an adjusting belt 23; the plate body 21 is rotatably connected to one end of the base 11 through a rotating shaft, and the rotating shaft is arranged at the lower end of the plate body 21, so that the plate body 21 can rotate downwards from a horizontal position; the upper end surface of the plate body 21 is provided with a second soft layer 22, preferably a sponge layer, so that the comfort level of the palm is improved; two ends of the adjusting belt 23 are arranged at two ends of the second soft layer 22; the adjusting belt 23 comprises a first adjusting belt and a second adjusting belt, the first adjusting belt and the second adjusting belt are overlapped and then pasted through the magic tape layer, the lengths of the overlapped parts of the first adjusting belt and the second adjusting belt can be adjusted by the magic tape layer, and therefore the palms of different sizes can be fixed.

Optionally, referring to fig. 1 and 2, a fan-shaped cover 111 is provided above the joint of the base 11 and the adjusting plate 2 for shielding the joint of the base 11 and the adjusting plate 2 from being clamped to the skin when the adjusting plate 2 rotates downward.

It should be noted that, after the forearm of the patient is placed on the base 11, the palm of the hand is facing upward, the operator fixes the palm of the patient on the adjusting plate 2 through the fixing strap 13, and the angle between the palm of the hand and the forearm is adjusted by rotating the adjusting plate 2.

Referring to fig. 3-5, the adjustor 3 is used for fixing the angle between the palm and the forearm, and includes a rotating rod 31, a fixing shaft 32 and a limiting sleeve 33, the fixing shaft 32 is disposed on the adjusting plate 2, the limiting sleeve 33 is disposed on the base 11, one end of the rod body of the rotating rod 31 is provided with a spherical end 311, a channel is disposed on the spherical end 311, the rotating rod 31 is sleeved on the fixing shaft 32 by the channel on the spherical end 311 to realize the rotating connection, and the other end of the rotating rod passes through a through hole on the limiting sleeve 33 and can move in the through hole on the limiting sleeve 33.

Further, the fixed shaft 32 includes a shaft body 321 and a latch 322 disposed at two ends of the shaft body, and the latch 322 can axially limit the rotating rod 31 on the shaft body 321.

The limiting sleeve 33 comprises a handle 331, a second base 332 and an adjusting screw 333, the handle 331 is a cylinder, one end of the cylinder of the second base 332 is provided with a circular truncated cone, and the circular truncated cone is fixed on the side surface of the base 11; a threaded channel 3322 is arranged on the column body of the second base 332, one end of the adjusting screw 333 is fixedly connected with the handle 331, and the adjusting screw 333 is driven to rotate by screwing the handle 331; the other end of the adjusting screw 333 is screwed with the second base 332 through a screw channel 3322 and extends and retracts inside the second base 332 by means of screw threads; the second base 332 has a through hole 3321 at the center thereof for allowing the rotation rod 31 to pass through and move in the through hole 3321, the through hole 3321 is perpendicular to and communicated with the screw channel 3322, the knob 331 is screwed toward the second base 332, the end of the adjustment screw 333 is moved into the through hole 3321 from the screw channel 3322 to contact with the rotation rod 31 and increase the pressure on the rotation rod 31, thereby fixing the rotation rod 31 in the through hole 3321, and the knob 331 is screwed in the opposite direction to separate the adjustment screw 333 from the rotation rod 31, thereby allowing the rotation rod 31 to move in the through hole 3321.

It should be noted that, after the forearm and the palm are respectively fixed on the base 11 and the adjusting plate 2, the length of the rotating rod 31 passing through the second base 332 is adjusted by the limiting sleeve 33, so as to adjust the angle between the adjusting plate 2 and the base 11, and thus adjust the angle between the forearm and the palm, and after the angle is determined, the handle 331 is screwed to fix the rotating rod 31 in the second base 332, so as to achieve the relative fixation between the forearm and the palm.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A wrist fixer for artery puncture catheterization is characterized by comprising a first base (1), an adjusting plate (2) and an adjuster (3); the first base (1) is rotatably connected with the adjusting plate (2), and two ends of the adjuster (3) are respectively connected with the first base (1) and the adjusting plate (2); the regulator (3) can regulate an included angle between the regulating plate (2) and the first base (1).

2. The wrist anchor for an arterial puncture cannula according to claim 1, characterized in that the first base (1) comprises a base (11), a first softer layer (12) and a securing strap (13); an arc-shaped groove is formed in the base (11); the first soft layer (12) is attached to the arc-shaped groove; the fixing strap (13) can be used for elastically fixing the forearms placed in the arc-shaped grooves.

3. The wrist anchor for arterial puncture catheterization according to claim 2, characterized in that the adjusting plate (2) comprises a plate body (21); the plate body (21) is rotatably connected with the base (11) through a rotating shaft.

4. The wrist anchor for an arterial puncture catheter according to claim 3, characterized in that the adjusting plate (2) further comprises a second soft layer (22) and an adjusting belt (23), the second soft layer (22) is arranged on the plate body (21); two ends of the adjusting belt (23) are arranged on the second soft layer (22); the adjusting belt (23) comprises a first adjusting belt and a second adjusting belt, and the first adjusting belt and the second adjusting belt are connected through a magic tape layer in a sticking mode.

5. The wrist fixator for arterial puncture catheterization according to claim 4, characterized in that a fan-shaped cover (111) is arranged on the base (11), and the fan-shaped cover (111) is used for shielding the joint of the base (11) and the adjusting plate (2).

6. The wrist holder for arterial puncture catheterization according to claim 5, characterized in that the adjuster comprises a rotating rod (31), a fixed shaft (32) and a stop collar (33); the fixed shaft (32) is arranged on the adjusting plate (2); the limiting sleeve (33) is arranged on the base (11); the rotating rod (31) is arranged between the fixed shaft (32) and the limiting sleeve (33).

7. The wrist fastener for arterial puncture catheter according to claim 6, characterized in that one end of the rotating rod (31) is a spherical end (311); a channel is arranged on the spherical end (311), and the fixed shaft (32) penetrates through the channel of the spherical end (311) to be rotationally connected with the spherical end (311); the other end of the rotating rod (31) can penetrate through a through hole (3321) in the limiting sleeve (33) and can move in the limiting sleeve (33).

8. The wrist fixator for arterial puncture catheterization according to claim 7, characterized in that the fixed shaft (32) comprises a shaft body (321) and clamping blocks (322) arranged at two ends of the shaft body (321); the rotating rod (31) is sleeved on the shaft body (321) through a channel on the spherical end head (311); the fixture block (322) can axially limit the rotating rod (31) on the shaft body (321).

9. The wrist holder for an arterial puncture cannula according to claim 8, characterized in that the stop collar (33) comprises a handle (331), a second base (332) and an adjusting screw (333); two ends of the adjusting screw (333) are respectively connected with the handle (331) and the second base (332).

10. The wrist fastener for arterial puncture cannula according to claim 9, characterized in that the through hole (3321) is provided on the column body of the second base (332); the adjusting screw (333) is fixedly connected with the handle (331), and the adjusting screw (333) is in threaded connection with a threaded channel (3322) on the second base (332); the threaded passage (3322) is perpendicular to and communicates with the through hole (3321); the adjustment screw (333) is capable of passing through the threaded passage (3322) into the through-hole (3321).