CN218338444U

CN218338444U - Forearm measuring device

Info

Publication number: CN218338444U
Application number: CN202221780130.8U
Authority: CN
Inventors: 周琴; 方芳; 严洁琼; 朱飞虹
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2023-01-20
Anticipated expiration: 2032-07-11

Abstract

The utility model discloses a forearm measuring device, which comprises a fixed rod and a telescopic rod, wherein the fixed rod is connected with a movable rod, the fixed rod is connected with a positioning bolt through a thread, the fixed rod is connected with a rotatable positioning plate through a columnar shaft, the lower end of the telescopic rod is fixed with a sucker, and the upper end of the telescopic rod is fixed with a reflector; further comprising: the limiting plate is fixed on the movable rod, a threaded rod is connected to the upper bearing of the limiting plate, and a first clamping plate is further fixed on the lower side face of the limiting plate. This forearm measuring device adopts the adjustment mechanism that can accomodate, can make the device expand the back and be 90 to carry on spacingly to patient's arm, guarantee that the contained angle is 90 between patient's arm and the health, thereby guarantee measured data's accuracy, infrared measurement mechanism with adjustable the cooperation can realize the accurate measurement effect of distance, effectively avoids leading to the unsafe problem of measured data to take place because of medical personnel misoperation.

Description

Forearm measuring device

Technical Field

The utility model relates to a medical treatment appurtenance technical field specifically is a forearm measuring device.

Background

In carrying out the treatment in-process to the patient, often can carry out PICC to the patient and put the pipe operation, so that the later stage carries out long-term infusion treatment to the patient, before inserting the pipe, need confirm to the length of PICC pipe (both PICC pipe most advanced ideal position be the superior vena cava under 1/3 section be close to the distance between the juncture of superior vena cava and right atrium), in order to guarantee the normal clear of later stage infusion, thereby need measure patient forearm to atrium distance through special measuring device, current measuring device mainly is that medical personnel realize the measuring action through the tape measure, this kind of measurement mode still has certain defect when using:

1. in the measuring process, in order to ensure the accuracy of the measured distance, the arm and the body of the patient need to form a 90-degree included angle, so that the accuracy of the measured distance is ensured, and a limit mechanism is lacked when the measuring tape is used for measuring, so that the 90-degree included angle between the arm and the body of the patient is difficult to ensure, and the accuracy of measured data is difficult to ensure;

2. in the measuring process, measuring points are mainly determined by the finger feeling of medical staff, and sometimes, the problems of inaccurate measuring data and the like caused by the operation error of the medical staff are solved;

improvements are needed to address the above issues to meet practical needs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forearm measuring device to it leads to being difficult to be 90 contained angles between patient's arm and the health to solve and is difficult to because of medical personnel's mistake in operation and leads to the unsafe problem of measured data when measuring to provide to lack stop gear in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a forearm measuring device comprises a fixed rod and a telescopic rod, wherein a movable rod is connected to the fixed rod, a positioning bolt is connected to the fixed rod through threads, a rotatable positioning plate is connected to the fixed rod through a columnar shaft, a suction cup is fixed to the lower end of the telescopic rod, and a reflector is fixed to the upper end of the telescopic rod;

further comprising:

the limiting plate is fixed on the movable rod, a threaded rod is connected to the upper bearing of the limiting plate, a first clamping plate is fixed on the lower side surface of the limiting plate, and a second clamping plate is arranged above the first clamping plate;

the mount is fixed on the movable rod, and is fixed with infrared distance measuring instrument on the mount to fixedly connected with display screen on the infrared distance measuring instrument, and infrared distance measuring instrument left end face and second splint left end face are in same vertical plane.

Preferably, be sliding connection between movable rod and the dead lever, and the movable rod passes through to constitute positioning mechanism between positioning bolt and the dead lever, through the sliding action between movable rod and the dead lever, can adjust the length of whole device to adapt to different patients' user demand, the rethread rotates positioning bolt, makes positioning bolt and movable rod contact production extrusion effort, thereby can realize the fixed action to the movable rod, guarantees the stability of movable rod.

Preferably, still be fixed with the connecting plate on the second splint, and the connecting plate nestification can slide from top to bottom in slotting on the limiting plate to the connecting plate passes through screw and threaded rod interconnect and realizes the regulatory action, and through rotating the threaded rod, screw connection effect between cooperation threaded rod and the connecting plate can make the connecting plate remove, and the stability that the connecting plate removed can be guaranteed in the sliding action between cooperation connecting plate and the limiting plate, thereby adjusts the distance between second splint and the first splint, so that adapt to different patients' fixed demand.

Preferably, second splint and first splint inboard still all are fixed with the cushion, and the cushion is the arc structure to the cushion is made by elasticity flexible glue material, through the effect of second splint and first splint, can fix device and patient's hand, and the protection is realized with patient's arm contact to the cushion this moment, and second splint and first splint cause the injury to patient's arm when avoiding fixed.

Preferably, constitute slewing mechanism between locating plate and the dead lever, and the locating plate rotates the biggest angle and is 90 to be connected with rotatable bull stick through the column axle on the locating plate, the bull stick other end rotates through the column axle and connects on the movable block simultaneously, when the locating plate rotates, can make the bull stick atress rotate simultaneously, thereby provide basic guarantee for the location of locating plate.

Preferably, the movable block nestification can carry out the horizontal slip on the dead lever in the fluting, and still is fixed with the magnetite on the movable block to the magnetite still fixes on the dead lever in the fluting, constitutes magnetism between two sets of magnetite simultaneously and inhales the structure, when the bull stick atress rotates, drives the movable block simultaneously and slides in the fluting on the dead lever, when the magnetite of the left end adsorbs in the fluting on movable block left end magnetite and the dead lever, realizes limiting displacement, the locating plate is rotatory 90 degrees just in time this moment, so that realize measuring action.

Compared with the prior art, the beneficial effects of the utility model are that: this forearm measuring device adopts the adjustment mechanism that can accomodate, can make the device expand the back and be 90 to carry on spacingly to the patient arm, guarantee that the contained angle is 90 between patient arm and the health, thereby guarantee measured data's accuracy, infrared measurement mechanism with adjustable the cooperation can realize the accurate measurement effect of distance, effectively avoids leading to the unsafe problem of measured data to take place because of medical personnel misoperation, and its concrete content is as follows:

1. the forearm measuring device is provided with a positioning plate, the positioning plate can rotate 90 degrees by rotating the positioning plate in cooperation with the rotating action of a rotating rod, the sliding action between a movable block and a fixed rod and the adsorption action between magnets, and then the fixed rod and the positioning plate are respectively contacted with the arm and the body of a patient, so that the arm of the patient is unfolded at 90 degrees, and the measurement is performed normally;

2. this forearm measuring device is provided with infrared distance measuring instrument, when finding range, through infrared ray of infrared distance measuring instrument transmission, the light reflex effect of cooperation reflector can realize the distance measurement effect, easy operation, and can guarantee the accuracy of measuring distance.

Drawings

Fig. 1 is a schematic view of the top view structure of the fixing rod of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the right side view of the movable rod of the present invention;

fig. 4 is a schematic diagram of a right-view section structure of the limiting plate of the present invention;

fig. 5 is a schematic view of the front view structure of the telescopic rod of the present invention.

In the figure: 1. a fixing rod; 2. a movable rod; 3. positioning the bolt; 4. a limiting plate; 5. a threaded rod; 6. a first splint; 7. a second splint; 701. a connecting plate; 8. a soft cushion; 9. a fixed mount; 10. an infrared range finder; 11. a display screen; 12. positioning a plate; 13. a rotating rod; 14. a movable block; 1401. a magnet; 15. a telescopic rod; 16. a suction cup; 17. a mirror.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a forearm measuring device comprises a fixed rod 1 and a telescopic rod 15, wherein a movable rod 2 is connected to the fixed rod 1, a positioning bolt 3 is connected to the fixed rod 1 through a thread, a rotatable positioning plate 12 is connected to the fixed rod 1 through a columnar shaft, a sucking disc 16 is fixed at the lower end of the telescopic rod 15, and a reflecting mirror 17 is fixed at the upper end of the telescopic rod 15;

further comprising:

the limiting plate 4 is fixed on the movable rod 2, a threaded rod 5 is connected to the limiting plate 4 through a bearing, a first clamping plate 6 is further fixed on the lower side face of the limiting plate 4, and a second clamping plate 7 is arranged above the first clamping plate 6;

mount 9 is fixed on movable rod 2, and is fixed with infrared distance meter 10 on the mount 9 to fixedly connected with display screen 11 on the infrared distance meter 10, and the 10 left end faces of infrared distance meter and the 7 left end faces of second splint are in same vertical plane.

The movable rod 2 is connected with the fixed rod 1 in a sliding manner, and the movable rod 2 and the fixed rod 1 form a positioning mechanism through a positioning bolt 3; a connecting plate 701 is further fixed on the second clamping plate 7, the connecting plate 701 is nested in the groove in the limiting plate 4 and can slide up and down, and the connecting plate 701 is connected with the threaded rod 5 through threads to achieve an adjusting effect; the inner sides of the second clamping plate 7 and the first clamping plate 6 are also fixed with soft cushions 8, the soft cushions 8 are of arc-shaped structures, and the soft cushions 8 are made of elastic soft rubber materials.

After placing the completion, adjust dead lever 1 and movable rod 2's overall length again according to patient's arm length, sliding action between through movable rod 2 and dead lever 1, can realize the length adjustment effect, until second splint 7 left end face with prepare the puncture to pierce through the contact can, rethread rotation positioning bolt 3, produce the extrusion force through positioning bolt 3 and the contact of movable rod 2 and can realize the fixed action to movable rod 2, thereby realize the length adjustment effect of device, rotate threaded rod 5 at last, through threaded connection effect between threaded rod 5 and the connecting plate 701 and the sliding action between connecting plate 701 and limiting plate 4, can adjust the distance between second splint 7 and the first splint 6, effect through second splint 7 and first splint 6, can realize the fixed action of device, make the device fix on patient's arm, and cushion 8 realizes with patient's arm contact protection this moment, avoid centre gripping fixed in-process second splint 7 and first splint 6 to cause the crush injury to patient's arm, when carrying out the range finder, adsorb sucking disc 16 in patient's right side position between the third rib, and can adjust the telescopic action through the telescopic action of telescopic link 15 and realize that infrared ray reflection of infrared ray reflection shows that the distance measurement is convenient for the infrared ray reflection of infrared ray shows that the distance finder 10, thereby the infrared ray shows infrared ray reflection effect of the infrared ray shows the distance measurement instrument 10 again, thereby it is convenient observation to carry out the infrared ray reflection effect, thereby the infrared ray observation instrument 10, the infrared ray reflection effect, thereby it can carry out the infrared ray reflection effect, the infrared ray display device 10, the infrared ray reflection effect again, thereby it is not to observe infrared ray display effect, the infrared ray observation instrument 10.

A rotating mechanism is formed between the positioning plate 12 and the fixed rod 1, the maximum rotating angle of the positioning plate 12 is 90 degrees, a rotatable rotating rod 13 is connected to the positioning plate 12 through a columnar shaft, and the other end of the rotating rod 13 is rotatably connected to the movable block 14 through the columnar shaft; the movable block 14 is nested in the slot of the fixed rod 1 to slide left and right, and the magnet 1401 is fixed on the movable block 14, and the magnet 1401 is fixed in the slot of the fixed rod 1, and a magnetic attraction structure is formed between the two groups of magnets 1401.

When the forearm measuring device is used, firstly, the whole device is unfolded, the positioning plate 12 can be stressed to rotate around the fixed rod 1 by pulling the positioning plate 12, when the positioning plate 12 rotates, the rotating rod 13 is stressed to synchronously rotate at the moment, and the movable block 14 is driven to slide in the groove in the fixed rod 1, as shown in fig. 1 and fig. 2, when the magnet 1401 at the left end of the movable block 14 is adsorbed with the magnet 1401 at the left end of the groove in the fixed rod 1, the positioning effect on the positioning plate 12 is realized, at the moment, the positioning plate 12 just rotates 90 degrees, namely, the included angle between the positioning plate 12 and the fixed rod 1 is 90 degrees, the folding and containing effect of the device can be realized according to the principle, then, the positioning plate 12 is in contact with the body of a patient, the fixed rod 1 is in contact with the arm of the patient, so that the unfolding of the arm of the patient is realized, the included angle between the arm of the patient and the body is 90 degrees, and the arm of the patient is positioned between the first clamping plate 6 and the second clamping plate 7 at the moment.

The working principle is as follows: as shown in fig. 1-5, when using the forearm measuring device, firstly, the whole device is unfolded, the positioning plate 12 is pulled to rotate around the fixed rod 1, the movable block 14 can slide in the slot on the fixed rod 1 by matching the rotating action of the rotating rod 13, when the left magnet 1401 on the movable block 14 and the left magnet 1401 in the slot on the fixed rod 1 are adsorbed, the positioning plate 12 is positioned, at this moment, the positioning plate 12 just rotates 90 degrees, then the positioning plate 12 is contacted with the body of the patient, the fixed rod 1 is contacted with the arm of the patient, so that the arm of the patient is unfolded at 90 degrees, and at this moment, the arm of the patient is positioned between the first splint 6 and the second splint 7; after placing the completion, through the sliding action between movable rod 2 and the dead lever 1, can realize the length adjustment effect, so as to adapt to different patients' user demand, until second splint 7 left end face with prepare the puncture the contact can, rethread positioning bolt 3 can realize the fixed action to movable rod 2, rotate threaded rod 5 at last, can adjust the distance between second splint 7 and the first splint 6, effect through second splint 7 and first splint 6, can realize the fixed action of device, when carrying out the range finding, adsorb sucking disc 16 in patient right side third intercostal position, and can adjust the height of reflector 17 through the flexible effect of telescopic link 15, conveniently reflect the infrared light that infrared distance meter 10 jetted out, it is current known device to only need to launch infrared light through start infrared distance meter 10 at last (infrared distance meter 10 is, so do not do the detailed description), launch infrared light is reflected by infrared distance meter 10 through reflector 17 again, so as to realize the range finding effect, the distance is shown in display screen 11, so as to realize that medical personnel observe, thereby this distance measuring effect, this forearm measuring principle is just the forearm measuring principle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A forearm measuring device comprises a fixed rod (1) and a telescopic rod (15), wherein a movable rod (2) is connected to the fixed rod (1), a positioning bolt (3) is connected to the fixed rod (1) through a thread, a rotatable positioning plate (12) is connected to the fixed rod (1) through a columnar shaft, a suction cup (16) is fixed to the lower end of the telescopic rod (15), and a reflective mirror (17) is fixed to the upper end of the telescopic rod (15);

it is characterized by also comprising:

the limiting plate (4) is fixed on the movable rod (2), a threaded rod (5) is connected to the limiting plate (4) in a bearing mode, a first clamping plate (6) is further fixed to the lower side face of the limiting plate (4), and a second clamping plate (7) is arranged above the first clamping plate (6);

mount (9) is fixed on movable rod (2), and is fixed with infrared distance meter (10) on mount (9) to fixedly connected with display screen (11) on infrared distance meter (10), and infrared distance meter (10) left end face and second splint (7) left end face are in same vertical plane.

2. A forearm measurement device according to claim 1, wherein: the movable rod (2) is connected with the fixed rod (1) in a sliding mode, and the movable rod (2) forms a positioning mechanism with the fixed rod (1) through the positioning bolt (3).

3. A forearm measurement device according to claim 1, wherein: still be fixed with connecting plate (701) on second splint (7), and connecting plate (701) nestification can slide from top to bottom in slotting on limiting plate (4) to connecting plate (701) realize the regulation effect through screw and threaded rod (5) interconnect.

4. A forearm measurement device according to claim 1 wherein: second splint (7) and first splint (6) inboard still all are fixed with cushion (8), and cushion (8) are the arc structure to cushion (8) are made by elasticity flexible glue material.

5. A forearm measurement device according to claim 1, wherein: constitute slewing mechanism between locating plate (12) and dead lever (1), and locating plate (12) rotate the biggest angle and be 90 to be connected with rotatable bull stick (13) through the column axle on locating plate (12), bull stick (13) other end rotates through the column axle simultaneously and connects on movable block (14).

6. A forearm measurement device according to claim 5, wherein: the movable block (14) is nested in a groove on the fixed rod (1) and can slide left and right, the magnet (1401) is further fixed on the movable block (14), the magnet (1401) is further fixed in the groove on the fixed rod (1), and meanwhile a magnetic attraction structure is formed between the two groups of magnets (1401).