CN214549637U

CN214549637U - Radial artery puncture catheter placement pad

Info

Publication number: CN214549637U
Application number: CN202022217450.XU
Authority: CN
Inventors: 张瑜; 袁力勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-11-02
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a pipe pad is put in radial artery puncture which characterized in that: the wrist joint support comprises a base, wherein a first support arm and a second support arm are mounted on the base, the first support arm and the second support arm are connected end to end, the joint of the first support arm and the second support arm is suspended above the base, the first support arm and the second support arm jointly form a triangular structure, and the included angle between the first support arm and the second support arm enables a wrist in a back stretching state to be attached to the joint of the first support arm and the second support arm; at least one of the first support arm and the second support arm is mounted with a restraint. The utility model relates to a pipe pad is put in radial artery puncture, contained angle between the support arm is difficult to change, can stably retrain patient's wrist back of the body elongation in radial artery puncture put the suitable scope of pipe operation.

Description

Radial artery puncture catheter placement pad

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to radial artery puncture catheterization pad.

Background

Radial artery puncture catheterization is a common technique used in anesthesia and ICU continuous blood pressure (hemodynamic) monitoring. During radial artery puncture, a patient is required to lift the upper arm and press down the wrist to ensure that the wrist keeps proper back extension degree to fully expose the artery, thereby improving the success rate of radial artery puncture catheterization. At present, tools for fixing the wrist of a patient in a hospital are simple and crude, local materials are often used, such as a cushion, a square towel, an infusion bottle and the like, the wrist is not easy to fix by the aid of the mode, and the radial artery puncture catheterization is affected.

In order to solve the problems, a Chinese utility model patent with a patent number ZL201821648667.2 (No. CN209074924U) discloses a radial artery puncture body position fixing device, which comprises a hard arm support with an arc-shaped section, wherein the front end of the arm support is hinged with a hand fixing support plate with the same structure as the arm support, the rear end of the arm support is hinged with an extension support plate with the same structure as the arm support, an angle positioning mechanism is arranged on a hinge shaft at the hinged part of the front end and the rear end of the arm support, the angle positioning mechanism comprises a plurality of positioning marbles which are uniformly distributed on the outer peripheral surface of the hinge shaft at intervals along the circumferential direction, and a positioning groove matched with the positioning marbles is arranged on the inner wall of the outer sleeve shaft hinged with the hinge shaft; the outer surfaces of the arm support, the hand fixing supporting plate and the extension supporting plate are coated with an integrated flexible pad, and an outer sleeve with an opening at one end is movably sleeved outside the flexible pad; the flexible hand cushion block of putting in hand fixed layer board is glued inherently to overcoat upper surface activity, has set firmly elastic bandage along width direction on the overcoat lower surface relative with flexible hand cushion block middle part, and elastic bandage's both ends extend to hand fixed layer board top, and its tip is provided with the magic of mutual adaptation and glues.

Above-mentioned radial artery puncture position fixing device is through holding in the palm the fixed layer board of articulated hand of front end at the arm to the cooperation structure through location marble and positioning groove realizes the angle location between arm support and the fixed layer board of hand, thereby realizes the relative fixation of wrist when patient's radial artery puncture puts the pipe, however, this radial artery puncture position fixing device exists following not enoughly: the positioning marble is supported by a spring and always has a motion trend entering a positioning groove so as to realize the angular positioning between the arm support and the hand fixing supporting plate, the supporting capability of the spring is weaker, the elasticity performance is weakened after the spring is used for a long time, the angular positioning between the arm support and the hand fixing supporting plate is not firm, once the force applied to the wrist of a patient is overlarge, the included angle between the arm support and the hand fixing supporting plate is easily changed, so that the back extension degree of the wrist is changed, and if the situation occurs in the radial artery puncture catheterization operation of the patient, great danger can be brought to the patient; the angle positioning structure is small in size, a plurality of springs and positioning marbles need to be arranged on the outer peripheral surface of the hinge shaft, and a positioning groove is arranged in the outer sleeve shaft, so that the angle positioning structure is high in processing difficulty and difficult to manufacture; the arm holds in the palm and the fixed layer board of hand, the arm holds in the palm and the extension layer board is all articulated in both lower parts, make the articulated department of arm support and the fixed layer board of hand, there is the gap arm support and the upper surface of the articulated department of extension layer board, when arm support and the fixed layer board of hand, the contained angle between arm support and the extension layer board changes, this gap presss from both sides meat easily, need cover silica gel in the gap, and hold in the palm at the arm, the overcoat is established with the extension layer board overcoat in order to fill this gap to the arm fixed plate, lead to this radial artery puncture position fixing device structure complicacy, and the production cost increases.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that a radial artery puncture that contained angle between the support arm is difficult to change is provided to foretell technical current situation and is put tub pad, can stably retrain patient's wrist back of the body elongation in radial artery puncture and put a tub suitable scope of operation.

The second technical problem to be solved by the present invention is to provide a radial artery puncture catheterization pad convenient for manufacturing and processing.

The utility model aims to solve the third technical problem that a pipe pad is put in radial artery puncture is provided to foretell technical current situation, need not the cladding overcoat and also difficult clamp meat, the structure is simpler, manufacturing cost reduces.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a pipe pad is put in radial artery puncture which characterized in that: the wrist joint support comprises a base, wherein a first support arm and a second support arm are mounted on the base, the first support arm and the second support arm are connected end to end, the joint of the first support arm and the second support arm is suspended above the base, the first support arm and the second support arm jointly form a triangular structure, and the included angle between the first support arm and the second support arm enables a wrist in a back stretching state to be attached to the joint of the first support arm and the second support arm; at least one of the first support arm and the second support arm is mounted with a restraint.

In order to make between first support arm and the base, be connected more firmly and nimble between first support arm and the second support arm, the first end of first support arm with the base is articulated, the second end of first support arm with the first end of second support arm is articulated, just the second end of second support arm with be equipped with angle limiting mechanism between the base, angle limiting mechanism is used for injecing first support arm with contained angle between the second support arm. Because the articulated setting of the second end of first support arm and the first end of second support arm, in order to make the second support arm can be in the same direction as the place for first support arm is rotatory, be formed with the gap between first support arm and the second support arm, and first support arm, the stable bearing structure of second support arm and base three makes the contained angle between first support arm and the second support arm be difficult to change, lead to the gap between first support arm and the second support arm to be difficult to change, make this gap be difficult to press from both sides meat.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the angle limiting mechanism comprises an insertion part and an insertion groove, the insertion part is inserted into the insertion groove, the insertion part is arranged at one of the second end of the second supporting arm and the base, and the insertion groove is arranged at the other one of the second end of the second supporting arm and the base. Through the cooperation design of insertion part and slot, make angle limiting mechanism simpler, compare in location marble and positioning groove's structure, the processing degree of difficulty reduces, is convenient for more make and process.

Thereby in order to facilitate the contained angle between adjustment first support arm and the second support arm to adjust patient's wrist back of the body degree of stretching, contained angle between first support arm and the second support arm has two at least angles, just contained angle between first support arm and the second support arm passes through angle limiting mechanism adjusts.

In order to make angle limiting mechanism be convenient for adjust the contained angle between first support arm and the second support arm, the portion of inserting is located the second end of second support arm, the slot have at least two, and follow the length direction interval of base sets up. When the insertion part is inserted into different slots, the included angle between the first supporting arm and the second supporting arm can be positioned at different angles.

In order to simplify the structure of the insertion part and ensure that the insertion part is more stable when inserted into a slot, the second end part of the second supporting arm forms the insertion part, the slot is formed on the base, and the slot is an inclined slot matched with the insertion part. Need not additionally to process in order to form the portion of inserting to the second support arm, and the slot can increase the area of contact of portion of inserting and slot for the design of chute, makes portion of inserting and slot laminate more, and the portion of inserting is difficult to take place the skew.

The utility model provides a technical scheme that above-mentioned third technical problem adopted does: the second end tip of first support arm with the first end tip of second support arm is the arc surface, the second end middle part of first support arm and the first end middle part of second support arm are articulated, and the upper surface of first support arm and the upper surface of second support arm are in first support arm with the junction smooth transition of second support arm. Even the second support arm rotates for first support arm and makes contained angle between the two change, gap axial interval between first support arm and the second support arm can not change, makes this gap need not to set up the overcoat and also easily presss from both sides meat, and the structure is simpler, and manufacturing cost reduces.

In order to enable the wrist of the patient to have proper back extension degree and height, the included angle between the first supporting arm and the second supporting arm is 110-150 degrees, and the height of the joint of the first supporting arm and the second supporting arm is 6-11 cm.

In order to make the arms and wrists of a patient more comfortable when the arms and wrists of the patient are placed on the radial artery puncture tube placing cushion, the length of the first supporting arm is 16-20 cm, and the width of the first supporting arm is 5.5-8 cm; the length of the second supporting arm is 13-16 cm, and the width of the second supporting arm is 5.5-8 cm; the length of the base is 30-34 cm, and the width is 7-10 cm.

In order to make the palm of the patient more comfortable, the restraining element is an elastic band.

Compared with the prior art, the utility model has the advantages of: first support arm and second support arm through installation end to end on the base, and the junction of first support arm and second support arm hangs in the base top, the base, first support arm and second support arm form the triangle structure jointly, and contained angle between first support arm and the second support arm makes the junction of the first support arm of wrist laminating and the second support arm under the state of stretching back, this triangle structure can support patient's arm and palm steadily, make the contained angle between first support arm and the second support arm be difficult to change, thereby can provide stable back extension degree for patient's wrist, the security of putting the pipe operation is punctured to patient's radial artery has been ensured.

Drawings

Fig. 1 is a perspective view of the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Fig. 1 shows a preferred embodiment of the present invention.

As shown in fig. 1, the radial artery puncture catheterization apparatus in the present embodiment includes a first support arm 1, a second support arm 2, a restraining member 3, and a base 4. As shown in fig. 1, a first support arm 1 and a second support arm 2 are both mounted on a base 4, the first support arm 1 and the second support arm 2 are connected end to end, and the joint of the first support arm 1 and the second support arm 2 is suspended above the base 4; the base 4, the first support arm 1 and the second support arm 2 jointly form a triangular structure, an included angle between the first support arm 1 and the second support arm 2 is alpha, and the included angle alpha enables a wrist in a back stretching state to be attached to the joint of the first support arm 1 and the second support arm 2. The constraining member 3 is used for constraining the arm, palm or finger, and the constraining member 3 is mounted on the second supporting arm 2, in other embodiments, the number of the constraining members 3 can be multiple, and the constraining members are mounted on the first supporting arm 1 and/or the second supporting arm 2 at intervals.

In this embodiment, base 4, first support arm 1 and 2 three of second support arm form stable triangular structure and can support patient's arm and palm steadily, make contained angle alpha between first support arm 1 and the second support arm 2 be difficult to change to can provide stable back extension degree for patient's wrist, ensured the security of patient's radial artery puncture catheterization operation.

As shown in fig. 1, the base 4 in this embodiment is plate-shaped, and the first end of the base 4 is hinged to the first end of the first support arm 1, and the second end of the first support arm 1 is hinged to the first end of the second support arm 2, so that the connection between the first support arm 1 and the base 4, and the connection between the first support arm 1 and the second support arm 2 are firmer and more flexible; an angle limiting mechanism is arranged between the second end of the base 4 and the second end of the second supporting arm 2, and the angle limiting mechanism is used for limiting the included angle alpha between the first supporting arm 1 and the second supporting arm 2, so that when a patient puts the arm on the first supporting arm 1 and puts the palm on the second supporting arm 2, the wrist of the patient corresponds to the hinged part of the first supporting arm 1 and the second supporting arm 2, and the back extension degree of the wrist of the patient can be limited within a certain range.

Because the articulated setting of the first end of the second end of first support arm 1 and second support arm 2, in order to make second support arm 2 can be in the same place for first support arm 1 rotatory, be formed with gap X between first support arm 1 and the second support arm 2, and first support arm 1, the stable bearing structure of second support arm 2 and 4 three of base makes the contained angle between first support arm 1 and the second support arm 2 be difficult to change, lead to the gap X between first support arm 1 and the second support arm 2 to be difficult to change, make this gap X be difficult to press from both sides meat. As shown in fig. 1, both the second end portion of the first support arm 1 and the first end portion of the second support arm 2 are arc surfaces, the middle portion of the second end of the first support arm 1 is hinged to the middle portion of the first end of the second support arm 2, and the upper surface of the first support arm 1 and the upper surface of the second support arm 2 are in smooth transition at the joint of the first support arm 1 and the second support arm 2; even the second support arm 2 rotates for first support arm 1 and makes contained angle between the two change, gap X axial interval between first support arm 1 and the second support arm 2 can not change, makes this gap X need not to set up the overcoat and also easily presss from both sides meat, and the structure is simpler, and manufacturing cost reduces.

As shown in fig. 1, the angle limiting mechanism includes an insertion portion 21 and a slot 41 for the insertion portion 21 to be inserted, the insertion portion 21 is disposed at the second end of the second support arm 2, the slot 41 is disposed at the second end of the base 4, and the insertion portion 21 and the slot 41 are inserted and matched to fix the relative position of the second support arm 2 and the first support arm 1, that is, the included angle α between the first support arm 1 and the second support arm 2 is limited, so that the angle limiting mechanism has a simpler structure and is easy to manufacture and process. In other embodiments, the insertion portion 21 may be disposed at the second end of the base 4, and the insertion slot 41 may be disposed at the second end of the second support arm 2. As shown in fig. 1, the second end of the second support arm 2 forms the insertion portion 21, the insertion slot 41 is formed at the second end of the second support arm 2, and the insertion slot 41 is an inclined slot adapted to the insertion portion 21, so that not only is it unnecessary to additionally process the second support arm 2 to form the insertion portion 21, but also the contact area between the insertion portion 21 and the insertion slot 41 can be increased, the insertion portion 21 is not easily deviated in the insertion slot 41, and the insertion relationship between the insertion portion 21 and the insertion slot 41 is more stable.

As shown in fig. 1, the included angle α between the first support arm 1 and the second support arm 2 has at least two angles, and the included angle α between the first support arm 1 and the second support arm 2 is adjusted by the angle limiting mechanism. Specifically, the number of the insertion grooves 41 is at least two, and the insertion portions 21 are inserted into the different insertion grooves 41 to change the angle α between the first support arm 1 and the second support arm 2, so as to adjust the back extension of the wrist of the patient. In other embodiments, it is also possible that the number of the slots 41 is 1, and the insertion portion 21 has at least two slots and is disposed at the second end of the second support arm 2 at an interval, so as to adjust the angle α between the first support arm 1 and the second support arm 2. The number of the slots 21 in this embodiment is 3.

In order to ensure that the wrist of the patient has proper back extension, the included angle alpha between the first supporting arm 1 and the second supporting arm 2 is 110-150 degrees. When the insertion portions 21 are sequentially and correspondingly inserted into the 3 slots 41 from left to right, the included angles α between the first support arm 1 and the second support arm 2 are sequentially 110 ° to 130 °, 125 ° to 145 °, and 135 ° to 155 °. In order to elevate the wrist of the patient to a suitable height, the height H of the hinge between the second end of the first support arm 1 and the first end of the second support arm 2 is 6-11 cm. In this embodiment, when the insertion portion 21 is sequentially inserted into the 3 slots 41 from left to right, the included angles α between the first support arm 1 and the second support arm 2 are sequentially 120 °, 135 °, 145 °, and the heights H of the hinges between the second end of the first support arm 1 and the first end of the second support arm 2 are sequentially 6cm, 8.5cm, and 11 cm. In order to make the arms and wrists of a patient more comfortable when the arms and wrists of the patient are placed on the radial artery puncture catheter placing pad, the length of the first supporting arm 1 is 16-20 cm, and the width of the first supporting arm is 5.5-8 cm; the length of the second supporting arm 2 is 13-16 cm, and the width of the second supporting arm is 5.5-8 cm; the length of the base 4 is 30-34 cm, and the width is 7-10 cm. It will be appreciated that the local length and/or width of the first and second support arms 1, 2 is allowed to fall below or exceed the aforementioned ranges to facilitate or make more secure the connection of the first and second support arms 1, 2.

In order to make the palm of the patient more comfortable, the restraint 3 in this embodiment is an elastic band attached to the second support arm 2.

Claims

1. The utility model provides a pipe pad is put in radial artery puncture which characterized in that: the wrist joint support comprises a base (4), wherein a first support arm (1) and a second support arm (2) are installed on the base (4), the first support arm (1) and the second support arm (2) are connected end to end, the joint of the first support arm (1) and the second support arm (2) is suspended above the base (4), the first support arm (1) and the second support arm (2) jointly form a triangular structure, and the included angle between the first support arm (1) and the second support arm (2) enables the wrist in a back stretching state to be jointed with the joint of the first support arm (1) and the second support arm (2); at least one of the first support arm (1) and the second support arm (2) is provided with a restraint member (3).

2. The radial artery puncture catheterization pad of claim 1, characterized in that the first end of the first support arm (1) is hinged to the base (4), the second end of the first support arm (1) is hinged to the first end of the second support arm (2), and an angle limiting mechanism is provided between the second end of the second support arm (2) and the base (4) for limiting the included angle between the first support arm (1) and the second support arm (2).

3. The radial artery puncture catheterization pad of claim 2, wherein the angle limiting mechanism comprises an insertion portion (21) and a slot (41) for the insertion portion (21) to be inserted, the insertion portion (21) is disposed at one of the second end of the second support arm (2) and the base (4), and the slot (41) is disposed at the other of the second end of the second support arm (2) and the base (4).

4. The radial artery puncture catheterization pad of claim 3, characterized in that the included angle between the first support arm (1) and the second support arm (2) has at least two angles, and the included angle between the first support arm (1) and the second support arm (2) is adjusted by the angle limiting mechanism.

5. The radial artery puncture catheterization pad of claim 4, wherein the insertion part (21) is arranged at the second end of the second supporting arm (2), and at least two insertion grooves (41) are arranged at intervals along the length direction of the base (4).

6. The radial artery puncture catheterization pad according to claim 3, characterized in that the second end of the second supporting arm (2) forms the insertion part (21), the slot (41) is formed on the base (4), and the slot (41) is an inclined groove matched with the insertion part (21).

7. The radial artery puncture cannula pad of claim 2, wherein the second end of the first support arm (1) and the first end of the second support arm (2) are both arc surfaces, the middle of the second end of the first support arm (1) and the middle of the first end of the second support arm (2) are hinged, and the upper surface of the first support arm (1) and the upper surface of the second support arm (2) are in smooth transition at the joint of the first support arm (1) and the second support arm (2).

8. The radial artery puncture cannula pad according to any one of claims 1 to 7, wherein the included angle between the first support arm (1) and the second support arm (2) is 110 to 150 degrees, and the height of the joint of the first support arm (1) and the second support arm (2) is 6 to 11 cm.

9. The radial artery puncture catheterization pad of any one of claims 1 to 7, wherein the first support arm (1) has a length of 16 to 20cm and a width of 5.5 to 8 cm; the length of the second supporting arm (2) is 13-16 cm, and the width of the second supporting arm is 5.5-8 cm; the length of the base (4) is 30-34 cm, and the width is 7-10 cm.

10. The radial artery puncture catheterization pad of any one of claims 1 to 7, wherein the restraining member (3) is an elastic band.