CN221285761U - Wrist bending limiting fixer - Google Patents

Abstract

The utility model relates to the technical field of medical auxiliary instruments, in particular to a wrist bending limiting fixer, which solves the technical problem that the wrist part of a patient is easy to generate large bending degree to cause the extravasation of a contrast agent when the iodine contrast agent is injected under high pressure in the prior art, and comprises the following steps: one end of the fixer body is provided with a first opening, and the other end is provided with a second opening; an opening window is formed in the radial side of the fixer body; the anchor body includes: a wrist front end part, a wrist rear end part and an arm end part which are sequentially connected from top to bottom; the utility model discloses a plurality of cushion location portions, wrist rear end portion, arm tip all are provided with cushion location portion, and cushion location portion is used for adjusting and contacts patient's arm, and when in actual use, medical and nursing can accomplish through the opening window and is to administer needle and inject, also can guarantee that general disease can avoid the swing by a wide margin after adopting this scheme to avoid injecting the extravasation.

Description

Wrist bending limiting fixer

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to a wrist bending limiting fixer.

Background

In the current mode, the medical image CT enhancement examination is a very common auxiliary examination means;

In this type of examination, high pressure injection of iodine contrast agent using a high pressure syringe is required, and the injection site is mainly concentrated at the wrist position because: the ulna vein and the radial vein are both in this position;

In actual work, medical staff can remind a patient in advance to straighten an injection part without bending, but because the patient is stressed during the examination and needs to perform other coordination more actively during the examination, the attention of the patient is easily dispersed, the patient unconsciously bends the wrist injection part, and the bending degree of the wrist is larger compared with the bending range of other joint positions, under the condition, the contrast agent extravasation is easily caused when the iodine contrast agent is injected at high pressure;

The injection of the high-pressure injection iodine contrast agent is characterized in that once extravasation occurs, the patients suffer great pain and can be relieved after a plurality of days; the examination is forced to stop in the middle of the examination, so that the normal diagnosis and treatment time of the patient is influenced, the rehabilitation of the patient is influenced, and the burden is increased for clinical work.

Based on the above-mentioned considerations, the problems faced by the prior art are: when the iodine contrast agent is injected at high pressure, the wrist part of the patient is easy to generate large bending degree, so that the contrast agent is exosmosed, the patient is subjected to great pain, and the burden of clinical work is increased; therefore, it is necessary to provide a wrist bending-limiting fixator, which avoids the above situations as low as possible, so that the blood vessel is unobstructed during injection, and the examination is successfully completed, thereby avoiding unnecessary damage and burden.

Disclosure of utility model

The wrist bending-limiting fixer solves the technical problems that in the prior art, when iodine contrast agent is injected at high pressure, the wrist part of a patient is easy to generate large bending degree, the contrast agent is exosmosis, the patient is subjected to great pain, and the burden of clinical work is increased.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

Limiting wrist bending fixator comprising:

A holder body having a first opening at one end and a second opening at the other end;

An opening window is formed in the radial side of the fixer body;

the holder body includes:

A wrist front end part, a wrist rear end part and an arm end part which are sequentially connected from top to bottom;

The geometrical diameter of the front end of the wrist is larger than the geometrical diameter of the rear end of the wrist;

The wrist front end portion gradually converges from the first opening to the wrist rear end portion and is connected so that the wrist front end portion is in a frustum shape; and

The wrist end part and the arm end part are respectively provided with the soft cushion positioning parts, and the soft cushion positioning parts are used for adjusting and contacting the arms of the patient.

Preferably, the geometrical diameter of the arm end is greater than the geometrical diameter of the wrist rear end;

the arm end portion gradually expands in diameter from a junction thereof with the wrist rear end portion in a direction away from the junction.

Preferably, the opening window is formed on the wrist rear end portion and the arm end portion.

Preferably, a gap space is formed between the wrist rear end portion and the wrist of the patient.

Preferably, a threaded hole is formed in the rear end portion of the wrist in the radial direction;

Seen in the cross-sectional direction of the wrist rear end part, the three groups of threaded holes are formed in the wrist rear end part at one side far away from the opening window, and an included angle of 60 degrees is formed between every two threaded holes.

Preferably, the arm end is radially provided with a threaded bore;

Seen in the cross-sectional direction of the arm end, the three groups of threaded holes are formed in the arm end on one side far away from the opening window, and an included angle of 60 degrees is formed between every two threaded holes.

In practice, the cushion positioning portion includes:

The screw columns can be screwed on each threaded hole;

One end of the screw column can be screwed into the fixer body, and the other end of the screw column is positioned outside the fixer body and fixedly connected with a knob rubber head.

In practice, one end of the screw post entering the fixer body can be connected with a soft cushion cap;

The soft cushion cap includes:

One side of the cap body is provided with a threaded small hole, and the other end of the cap body is stuck and connected with a rubber cushion;

the cap body is connected with the screw column through the threaded small hole.

The utility model has the following beneficial effects:

The wrist and the bottom end of the palm which generates the maximum swing can be basically limited through the front end part of the wrist, the rear end part of the wrist and the end part of the arm, so that the movement of the wrist is limited, and the cushion positioning part is adopted for auxiliary positioning, so that when the medical care device is in actual use, the needle application and injection can be completed through the opening window, and the general patients can be ensured to avoid the swing with a large amplitude after adopting the scheme, thereby avoiding the injection extravasation.

Drawings

The utility model is described in further detail below with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model in a use state;

FIG. 3 is a view of an embodiment of a threaded bore according to the present utility model;

FIG. 4 is another embodiment of a threaded bore of the present utility model;

fig. 5 is a schematic structural view of the soft pad cap of the present utility model.

Reference numerals in the drawings denote:

a holder body 10, a first opening 101, a second opening 102, and an opening window 20;

a wrist front end portion 100, a wrist rear end portion 200, an arm end portion 300, and a cushion positioning portion 30;

Clearance space 201, threaded bore 301;

Screw column 31, knob rubber head 32, soft cushion cap 33;

cap 331, threaded aperture 332.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model; it should be noted that, for convenience of description, in the present utility model, a "left side" is a "first end", a "right side" is a "second end", an "upper side" is a "first end", and a "lower side" is a "second end" in the present view, and the description is for clearly expressing the technical solution, and should not be construed as unduly limiting the technical solution of the present utility model.

The problem existing in the prior art is that when the iodine contrast agent is injected at high pressure, the wrist part of the patient is easy to generate large bending degree, so that the contrast agent is extravasated, the patient is subjected to great pain, and the burden of clinical work is increased; in order to avoid the above situation as low as possible and enable the blood vessel to be unobstructed during injection and complete the examination smoothly, the technical scheme provides the wrist bending limiting fixer, and specifically, the technical scheme, please refer to fig. 1 and 2, specifically includes: a holder body 10 having a first opening 101 at one end and a second opening 102 at the other end; the patient needs to extend his hand from the second opening 102 and partially from the first opening 101, and the radial side of the holder body 10 is provided with an opening window 20; the opening window 20 is aligned with the inner side of the wrist, so that needle injection is convenient;

more detailed description: the holder body 10 includes: a wrist front end portion 100, a wrist rear end portion 200, and an arm end portion 300 connected in this order from top to bottom; the wrist front end 100 corresponds to the palm bottom and the wrist, and the wrist rear end 200 is completely positioned at the wrist position, and the arm end 300 corresponds to the forearm and the wrist position;

It should be noted that: due to the difference of the body types of the patients, the technical scheme is obviously aimed at more patients, the application crowd can adopt the technical scheme, and the configuration of various sizes can be carried out from the specification so as to realize the applicable coverage of more patients;

In addition, the geometrical diameter of the wrist front end 100 is larger than that of the wrist rear end 200, so that the hand of the patient is prevented from being always contracted after being stretched in, and the wrist front end 100 is the most main limiting structure and mode when the wrist of the patient is required to perform a great action;

The wrist front end 100 is gradually narrowed from the first opening 101 to the wrist rear end 200 and connected so that the wrist front end 100 has a truncated cone shape;

In addition, the plurality of cushion positioning portions 30, the wrist rear end portion 200 and the arm end portion 300 are each provided with a cushion positioning portion 30, and the cushion positioning portions 30 are used for adjusting and contacting the arm of the patient, and the cushion positioning portions 30 are used for performing one auxiliary fixation, so that the injection and the comfort of the patient are not affected, and the movement of the wrist position of the patient is mainly limited.

Through above-mentioned technical scheme, can carry out a basic restriction to wrist and the palm bottom that produces the biggest amplitude wobbling through wrist front end 100, wrist back end 200 and arm tip 300 for the wrist's activity is restricted, adopts cushion location portion 30 to carry out assistance-localization real-time, so when in actual use, medical and nursing can accomplish through opening window 20 and be administered needle and injection, also can guarantee that general disease can avoid the wobbling by a wide margin after adopting this scheme, thereby avoid the injection extravasation.

In one particular embodiment, referring to FIGS. 1 and 2, the geometric diameter of arm end 300 is greater than the geometric diameter of wrist back end 200; the arm end 300 gradually expands in diameter from its connection with the wrist rear end 200 in a direction away from the connection to fit the forearm, avoiding discomfort of the patient's forearm.

In one particular embodiment, referring to fig. 1 and 2, an open window 20 is formed in the wrist rear end 200 and the arm end 300.

In a specific embodiment, referring to fig. 1 and 2, a gap space 201 is formed between the wrist rear end 200 and the wrist of the patient, and the main reason is that: the purpose of this solution is mainly to limit, not to "clamp", and the provision of the clearance space 201 makes both the insertion and the extraction more convenient.

In one particular embodiment, referring to fig. 1, 2 and 3, the wrist rear end 200 is radially provided with a threaded bore 301; on the side away from the opening window 20, three sets of screw holes 301 are opened on the wrist rear end portion 200, and an included angle of 60 degrees is formed between every two sets, as seen in the cross-sectional direction of the wrist rear end portion 200.

In one particular embodiment, referring to fig. 1, 2 and 4, the arm end 300 is radially provided with a threaded bore 301; on the side facing away from the opening window 20, seen in the cross-sectional direction of the arm end 300, three sets of threaded holes 301 are open in the arm end 300, forming an angle of 60 degrees between two pairs.

Referring to fig. 5, the cushion positioning portion 30 includes: screw posts 31, each screw hole 301 can be screwed with one screw post 31; one end of the screw column 31 can be screwed into the fixer body 10, and the other end of the screw column 31 is positioned outside the fixer body 10 and fixedly connected with a knob rubber head 32.

One end of the screw 31 entering the fixer body 10 can be connected with a soft cushion cap 33; the cushion cap 33 includes:

A cap 331, one surface of which is provided with a threaded small hole 332, and the other end of which is connected with a rubber cushion 333 in an adhesive manner;

The cap 331 is connected with the screw column 31 through the threaded small hole 332; the rubber cushion 333 does not give a sense of discomfort even if it is in contact with the skin, and the above-described design makes the disassembly and assembly more convenient.

In addition, the three sets of screw holes 301, which form an included angle of 60 degrees between two pairs, are designed to be far away from one side of the opening window 20, so that the injection site is fully exposed, and the fixator body 10 has a certain thickness, so that the screw posts 31 can be conveniently connected.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (8)

1. Restriction wrist fixer of bending, its characterized in that includes:

A holder body (10) having a first opening (101) at one end and a second opening (102) at the other end;

An opening window (20) is formed on the radial side of the fixer body (10);

the anchor body (10) comprises:

A wrist front end part (100), a wrist rear end part (200) and an arm end part (300) which are sequentially connected from top to bottom;

The geometrical diameter of the wrist front end (100) is larger than the geometrical diameter of the wrist rear end (200);

The wrist front end (100) is gradually convergent from the first opening (101) to the wrist rear end (200) and connected so that the wrist front end (100) is in a frustum shape; and

The wrist rear end portion (200) and the arm end portion (300) are respectively provided with a plurality of cushion positioning portions (30), and the cushion positioning portions (30) are used for adjusting and contacting the arms of the patient.

2. The wrist-restraining bending fixator of claim 1, wherein the geometric diameter of the arm end (300) is greater than the geometric diameter of the wrist rear end (200);

The arm end (300) gradually expands in diameter from the connection with the wrist rear end (200) to a direction away from the connection.

3. Wrist bending limiter according to claim 1, characterized in that the opening window (20) is formed on the wrist rear end (200) and the arm end (300).

4. The wrist bending-restraining fixator of claim 1 wherein the wrist posterior end (200) and the patient's wrist define a gap space (201).

5. The wrist bending-restraining fixture according to claim 1, wherein the wrist rear end portion (200) is provided with a threaded hole (301) in a radial direction;

Seen in the cross-sectional direction of the wrist rear end part (200), the three groups of threaded holes (301) are formed in the wrist rear end part (200) on one side far away from the opening window (20), and an included angle of 60 degrees is formed between every two threaded holes.

6. The wrist bending-restraining fixture according to claim 1, characterized in that the arm end (300) is radially provided with a threaded hole (301);

Seen in the cross-sectional direction of the arm end (300), on the side far away from the opening window (20), three groups of threaded holes (301) are formed in the arm end (300), and an included angle of 60 degrees is formed between every two threaded holes.

7. The wrist-restraining bending fixator of any one of claims 5-6 wherein the cushion positioning portion (30) comprises:

Screw columns (31), wherein each screw hole (301) can be screwed with one screw column (31);

One end of the screw column (31) can be screwed into the fixer body (10), and the other end of the screw column (31) is positioned outside the fixer body (10) and fixedly connected with a knob rubber head (32).

8. The wrist bending-limiting holder according to claim 7, characterized in that the end of the screw post (31) that enters the holder body (10) can be connected with a soft cushion cap (33);

the soft cushion cap (33) comprises:

A cap body (331) with a threaded small hole (332) on one surface and a rubber cushion (333) adhered and connected to the other end;

the cap body (331) is connected with the screw column (31) through the threaded small hole (332).