CN112336511A - Hand fixing device for limiting ICU patient from accidental tube drawing - Google Patents
Hand fixing device for limiting ICU patient from accidental tube drawing Download PDFInfo
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- CN112336511A CN112336511A CN202011117078.3A CN202011117078A CN112336511A CN 112336511 A CN112336511 A CN 112336511A CN 202011117078 A CN202011117078 A CN 202011117078A CN 112336511 A CN112336511 A CN 112336511A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/37—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts
- A61F5/3761—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts for attaching the limbs to other objects
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention discloses a hand fixing device for limiting the accidental tube drawing of an ICU (intensive care unit) patient, which comprises a hand back fixing part, a spring pre-tightening part and a finger fixing part, wherein the hand back fixing part is connected with the spring pre-tightening part through a connecting rod; when the fingers of a patient perform gripping movement, the bowden cable is pulled, and the bowden cable is fixed on the pre-tightening bolt, so that the pre-tightening bolt and the pre-tightening nut can move in the spring sleeve simultaneously; because the pre-tightening spring is in contact with one side of the pre-tightening nut, the pre-tightening spring can be compressed when the pre-tightening nut moves, the pre-tightening spring can generate elastic force to block the movement of the pre-tightening nut, and the magnitude of the force generated by the pre-tightening spring is increased along with the movement of the pre-tightening nut until the gripping force of a patient is not greater than the resistance generated by the pre-tightening spring, so that the patient is effectively limited from performing a tube drawing action.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a hand fixing device for limiting accidental tube drawing of an ICU patient.
Background
The ICU accidental extubation refers to the automatic extubation without the consent of medical staff and without the compliance with the customs characteristics, and at present, the main reasons for the ICU patient to have the accidental extubation are as follows: (1) patients with ICU have restlessness, unconsciousness and delirium immediately after waking up, which leads to the patients to pull out the tube by themselves. (2) And patients with clear-headed dysphoria lack effective restriction and continuous sedation, and are stimulated and pressed by foreign matters such as tracheal intubation and gastric intubation to generate pain, so that the patients can pull out the tube automatically. (3) The strange environment of the ICU causes the psychological hint and psychological pressure and other stimulation brought to the patient by the fear and the fear of the patient and the alarm sound of the instrument, so that the patient pulls out the tube by himself.
However, it is important to study the medical field how to prevent the extubation of the patient without the consent of the medical staff, and at present, in the prior art, the extubation of the patient is prevented by wearing the relevant equipment on the patient. For example: patent publication No. CN201920218651.6, its main part of structure is similar to the full wrapping glove of no finger, makes up or pastes the flexible material that spherical, hemisphere, sponge, latex etc. can supply the patient to grasp at the gloves palm, and fixed part mainly adopts magic subsides and bandage etc. to tie up gloves in wrist department. The invention and the utility model are also provided with a heating device. The patient is simple in structure and convenient to manufacture, but the freedom degree of the movement of the hands of the patient is limited too much, so that the feeling that the patient is bound and not free is deepened; secondly, glove breathability is limited by the materials; in addition, the gloves rub the hands for a long time, which is likely to cause skin diseases such as allergy of the hands of the patient. Therefore, such restraining gloves are installed on the patient's hand before the patient is awake, and if the patient fails to wake up in a short time, the covering portion of the hand may cause pressure sores, causing secondary injury to the patient. Further, as disclosed in patent publication No. CN201920329347.9, the structural body is a mitt and a restraining cover. The mitt is sewn or bonded with the restraint cover, and a binding band is arranged at the wrist of the mitt and used for fixing. Elastic materials such as a flat plate, latex, an air cushion, sponge and the like are arranged in the restraint cover to restrain the bending of the fingers. Some inventions and utility model have heating device. Although the fingers are exposed, the problem of ventilation of the positions of the fingers is solved, the back of the hand of a patient can be contacted with the restraint cover for a long time, the back of the hand cannot be ventilated, and the back of the hand of the patient can rub against the restraint cover for a long time, so that allergic skin diseases are easily caused; in addition, the material in the restraint cover has certain weight, and brings oppression to the back of the hand of the patient. Also, as disclosed in patent No. CN202010094432.9, "a glove brake device", the invention employs a bowden cable device, and the tail end of a finger is bent to pull a steel wire, so as to drive a brake device to brake to meet the requirement of deceleration or hovering. In this patent, the movement of the fingers is not constrained and limited movement within a specified range of motion is not possible.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a hand fixing device for limiting the accidental tube drawing of an ICU patient.
In order to achieve the above object, the present invention provides a hand fixing device for limiting the accidental extubation of an ICU patient, comprising: the hand back fixing component, the spring pre-tightening component and the finger fixing component;
the hand back fixing part comprises a binding band, a fixing plate and a dovetail wedge block;
the fixing plate is bound on the back of the hand of a human body through a binding band, and the tightness is adjusted according to the requirements of patients; the spring pre-tightening mechanism is clamped on the fixing plate through the dovetail wedge block and then fixed on the fixing plate through the threaded hole in the fixing plate;
the spring pre-tightening component comprises a pre-tightening bolt, a pre-tightening nut, a pre-tightening spring and a spring sleeve; the spring pre-tightening component stores pre-tightening force, and the pre-tightening force can be adjusted by rotating the pre-tightening bolt;
the bottom of the spring sleeve is provided with a dovetail groove, the dovetail groove and the dovetail wedge are assembled and fixed on the hand back fixing mechanism through the dovetail groove, a through hole is formed in the side portion of the sleeve and used for connecting a Bowden cable, the pre-tightening bolt is connected with the pre-tightening nut through threads, the pre-tightening nut is provided with a threaded hole used for fixing the head of the Bowden cable and used for fixing the head of the Bowden cable, one side of the pre-tightening spring is in contact with one side of the pre-tightening nut, the other side of the pre-tightening spring is in contact with the inner;
the finger fixing component also comprises a finger middle end fixing column and a finger near end rotating shaft Bowden cable;
the middle finger fixing column and the near finger rotating shaft are bound on the finger through the binding band, and when the middle finger fixing column and the near finger rotating shaft are bound, the distance between the Bowden cable binding position of the middle finger fixing column and the cross section of the phalanx of the finger of a human body is H1The distance between the shaft hole of the rotating shaft at the near end of the finger and the cross section of the phalanx of the human finger is H2(ii) a The Bowden cable head is wound on the finger middle end fixing column, penetrates through the finger near end rotating shaft hole, penetrates through the spring barrel, and is fixed on the pre-tightening nut through the bolt;
when the fingers of a patient perform gripping movement, the bowden cable is pulled, and the bowden cable is fixed on the pre-tightening bolt, so that the pre-tightening bolt and the pre-tightening nut can move in the spring sleeve simultaneously; because the pre-tightening spring is in contact with one side of the pre-tightening nut, the pre-tightening spring can be compressed when the pre-tightening nut moves, the pre-tightening spring can generate elastic force to block the movement of the pre-tightening nut, and the magnitude of the force generated by the pre-tightening spring is increased along with the movement of the pre-tightening nut until the gripping force of a patient is not greater than the resistance generated by the pre-tightening spring, so that the patient is effectively limited from performing a tube drawing action.
The invention aims to realize the following steps:
the invention relates to a hand fixing device for limiting the accidental tube drawing of an ICU (intensive care unit) patient, which comprises a hand back fixing part, a spring pre-tightening part and a finger fixing part, wherein the hand back fixing part is connected with the hand back pre-tightening part; when the fingers of a patient perform gripping movement, the bowden cable is pulled, and the bowden cable is fixed on the pre-tightening bolt, so that the pre-tightening bolt and the pre-tightening nut can move in the spring sleeve simultaneously; because the pre-tightening spring is in contact with one side of the pre-tightening nut, the pre-tightening spring can be compressed when the pre-tightening nut moves, the pre-tightening spring can generate elastic force to block the movement of the pre-tightening nut, and the magnitude of the force generated by the pre-tightening spring is increased along with the movement of the pre-tightening nut until the gripping force of a patient is not greater than the resistance generated by the pre-tightening spring, so that the patient is effectively limited from performing a tube drawing action.
Meanwhile, the hand fixing device for limiting the accidental tube drawing of the ICU patient has the following beneficial effects:
(1) the wrist of the invention is not fixed, and the patient can move the arm freely, thus solving the problem that the freedom degree of the movement of the hand of the patient is limited too much;
(2) the invention adopts a full-open structure, thereby well solving the problem of air permeability;
(3) most of the structures of the invention adopt 3D printing technology, the materials are light and convenient, no oppression is caused, and the part which is directly contacted with the hand skin after wearing the glove is few, thereby solving the skin diseases of hand skin allergy, pressure sore and the like of a patient caused by the friction between the glove and the hand;
(4) the invention has simple and convenient manufacture, simple structure, light weight and convenient wearing, not only limits the tube drawing action of the patient, but also gives the patient sufficient activity space for the hand; in addition, the invention can change the tightness of the pre-tightening spring according to the requirements of patients so as to adapt to the hand sizes of different patients and meet the requirements of different grip strength limit values.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a hand fixation device for limiting accidental extubation in an ICU patient in accordance with the present invention;
FIG. 2 is a block diagram of one embodiment of the dorsum manus securing element of FIG. 1;
FIG. 3 is an exploded view of the spring preload member of FIG. 1;
FIG. 4 is a block diagram of one embodiment of the finger hold assembly of FIG. 1;
FIG. 5 is a schematic view of a finger center fixing post;
FIG. 6 is a schematic view of the finger proximal shaft.
Detailed Description
The following description of the embodiments of the present invention is provided in order to better understand the present invention for those skilled in the art with reference to the accompanying drawings. It is to be expressly noted that in the following description, a detailed description of known functions and designs will be omitted when it may obscure the subject matter of the present invention.
Examples
FIG. 1 is a schematic diagram of one embodiment of a hand fixation device of the present invention for limiting accidental extubation in ICU patients.
In this embodiment, as shown in fig. 1, the hand fixing device for limiting the accidental extubation of ICU patients according to the present invention comprises: 1-a hand back fixing part, 2-a spring pre-tightening part and 3-a finger fixing part;
wherein, as shown in fig. 2, the 1-back of hand fixing component comprises a 1.1-binding band, a 1.2-fixing plate and a 1.3-dovetail wedge block;
1.2-the fixing plate is bound on the back of the hand of the human body through a 1.1-binding belt, and the tightness of the 1.1-binding belt can be adjusted according to the requirements of patients; the 2-spring pre-tightening mechanism is clamped on the 1.2-fixing plate through the 1.3-dovetail wedge block and is fixed on the 1.2-fixing plate through the threaded hole on the 1.2-fixing plate;
as shown in fig. 3, the 2-spring pre-tightening component comprises a 2.1-pre-tightening bolt, a 2.2-pre-tightening nut, a 2.3-pre-tightening spring and a 2.4-spring sleeve; 2-the pre-tightening part of the spring stores pre-tightening force, the pre-tightening force can be adjusted by rotating the 2.1-pre-tightening bolt, in the embodiment, the pre-tightening force is related to the elastic coefficient of the spring, the stroke of the spring in the movement process is determined, and the elastic coefficient is calculated according to the holding force of a common hand and the movement range of the patient finger to the tube drawing action;
2.4-the bottom of the spring sleeve is provided with a dovetail groove which is assembled and fixed on the 1-hand back fixing mechanism through the dovetail groove and a 1.3-dovetail wedge block, the side part of the 2.4-sleeve is provided with a through hole which is used for connecting a Bowden cable, the 2.1-pretightening bolt is connected with the 2.2-pretightening nut through a thread, the 2.2-pretightening nut is provided with a threaded hole which is used for fixing the head of the Bowden cable, one side of the 2.3-pretightening spring is contacted with one side of the 2.2-pretightening nut, and the other side is contacted with the inner wall of the spring sleeve, so that the expansion amount of the 2.3-pretightening spring is changed by adjusting the degree of twist;
as shown in fig. 4, the 3-finger fixing component comprises 3.1-a middle finger fixing column 3.2-a proximal finger rotating shaft 3.3-a Bowden cable;
3.1-finger middle end fixing column and 3.2-finger near end rotating shaft pass through binding bandIs bound on the finger, and when binding, as shown in figure 5, the distance between the Bowden wire binding position of the 3.1-finger middle end fixing column and the cross section of the phalange of the finger of the human body is H1As shown in FIG. 6, the distance between the shaft hole of the 3.2-finger proximal end rotating shaft and the cross section of the human finger phalange is H2In the present embodiment, design H1、H2The ICU hand fixing device is obtained by calculation according to the human body size in a 95% confidence interval and a motion range in which the Bowden cable does not interfere with the fingers of a patient when the hand fixing device moves, and aims to prevent the Bowden cable from rubbing the fingers of the patient when the hand of the ICU patient moves with the hand fixing device, and certainly, the values of the two distances can be finely adjusted according to the size difference of the palm of the patient, so that the aim of preventing the Bowden cable from rubbing the fingers of the patient is fulfilled; 3.3-Bowden cable ends are wound on the 3.1-finger middle-end fixing columns, then penetrate through the 3.2-finger near-end rotating shaft holes, then penetrate through the 2.4-spring cylinder, and are fixed through bolts, and then are fixed on 2.2-pre-tightening nuts;
when the fingers of the patient perform gripping movement, the 3.3-Bowden cable is pulled, and the 2.1-pretension bolt and the 2.2-pretension nut move in the 2.4-spring sleeve simultaneously because the 3.3-Bowden cable is fixed on the 2.1-pretension bolt; because the 2.3-pretightening spring is contacted with one side of the 2.2-pretightening nut, the 2.3-pretightening spring is compressed when the 2.2-pretightening nut moves, the 2.3-pretightening spring generates elastic force to block the movement of the 2.2-pretightening nut, and the force generated by the 2.3-pretightening spring is increased along with the movement of the 2.2-pretightening nut until the gripping force of a patient is not more than the resistance generated by the 2.3-pretightening spring, so that the patient is effectively limited from tube drawing.
Although illustrative embodiments of the present invention have been described above to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all matters of the invention which utilize the inventive concepts are protected.
Claims (1)
1. A hand fixation device for limiting accidental extubation in an ICU patient, comprising: the hand back fixing component, the spring pre-tightening component and the finger fixing component;
the hand back fixing part comprises a binding band, a fixing plate and a dovetail wedge block;
the fixing plate is bound on the back of the hand of a human body through a binding band, and the tightness is adjusted according to the requirements of patients; the spring pre-tightening mechanism is clamped on the fixing plate through the dovetail wedge block and then fixed on the fixing plate through the threaded hole in the fixing plate;
the spring pre-tightening component comprises a pre-tightening bolt, a pre-tightening nut, a pre-tightening spring and a spring sleeve; the spring pre-tightening component stores pre-tightening force, and the pre-tightening force can be adjusted by rotating the pre-tightening bolt;
the bottom of the spring sleeve is provided with a dovetail groove, the dovetail groove and the dovetail wedge are assembled and fixed on the hand back fixing mechanism, a through hole is formed in the side part of the sleeve and used for connecting a Bowden cable, the pre-tightening bolt is connected with the pre-tightening nut through threads, the pre-tightening nut is provided with a threaded hole used for fixing the head of the Bowden cable and used for fixing the head of the Bowden cable, one side of the pre-tightening spring is in contact with one side of the pre-tightening nut, the other side of the pre-tightening spring is in contact with the inner wall of the spring sleeve;
the finger fixing component also comprises a finger middle end fixing column and a finger near end rotating shaft Bowden cable;
the middle finger fixing column and the near finger rotating shaft are bound on the finger through the binding band, and when the middle finger fixing column and the near finger rotating shaft are bound, the distance between the Bowden cable binding position of the middle finger fixing column and the cross section of the phalanx of the finger of a human body is H1The distance between the shaft hole of the rotating shaft at the near end of the finger and the cross section of the phalanx of the human finger is H2(ii) a The Bowden cable head is wound on the finger middle-end fixing column, penetrates through the finger near-end rotating shaft hole, penetrates through the spring barrel, and is fixed on the pre-tightening nut through the bolt;
when the fingers of a patient perform gripping movement, the bowden cable is pulled, and the bowden cable is fixed on the pre-tightening bolt, so that the pre-tightening bolt and the pre-tightening nut can move in the spring sleeve simultaneously; because the pre-tightening spring is in contact with one side of the pre-tightening nut, the pre-tightening spring can be compressed when the pre-tightening nut moves, the pre-tightening spring can generate elastic force to block the movement of the pre-tightening nut, and the magnitude of the force generated by the pre-tightening spring is increased along with the movement of the pre-tightening nut until the gripping force of a patient is not greater than the resistance generated by the pre-tightening spring, so that the patient is effectively limited from performing a tube drawing action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117078.3A CN112336511B (en) | 2020-10-19 | 2020-10-19 | Hand fixing device for limiting ICU patient from accidental tube drawing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011117078.3A CN112336511B (en) | 2020-10-19 | 2020-10-19 | Hand fixing device for limiting ICU patient from accidental tube drawing |
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| CN112336511A true CN112336511A (en) | 2021-02-09 |
| CN112336511B CN112336511B (en) | 2021-10-22 |
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Citations (11)
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|---|---|---|---|---|
| US5560375A (en) * | 1995-11-01 | 1996-10-01 | Kabanek; Joseph R. | Patient's hand immobilizer |
| WO1999052477A1 (en) * | 1998-04-15 | 1999-10-21 | Dynamic Healthcare Ltd. | Appendage correction device |
| US20170112654A1 (en) * | 2015-10-23 | 2017-04-27 | Edward Lafe Altshuler | Hand suspension fixture |
| CN106621212A (en) * | 2016-12-13 | 2017-05-10 | 顾马飞 | Finger muscle force rehabilitation device |
| CN109223288A (en) * | 2018-09-27 | 2019-01-18 | 安徽百通达科技医疗用品有限公司 | A kind of anti-tube drawing medical gloves of easy donning |
| CN208492439U (en) * | 2017-12-29 | 2019-02-15 | 沙洋县人民医院 | A kind of psychiatric department hand restraint strap |
| CN208659672U (en) * | 2017-12-13 | 2019-03-29 | 无锡市第四人民医院 | Hand constrainer with finger exercise function |
| CN210494352U (en) * | 2019-07-02 | 2020-05-12 | 翟慧兰 | Prevent tube drawing function restraint gloves |
| CN210541997U (en) * | 2019-04-03 | 2020-05-19 | 泰康仙林鼓楼医院有限公司 | Constraint glove capable of exercising hands |
| CN210784937U (en) * | 2019-07-22 | 2020-06-19 | 四川省骨科医院 | Restraint ball for preventing accidental tube drawing of patient |
| CN111658281A (en) * | 2020-06-08 | 2020-09-15 | 昆明医科大学第二附属医院 | Recovered stopper of skin burn between finger |
-
2020
- 2020-10-19 CN CN202011117078.3A patent/CN112336511B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560375A (en) * | 1995-11-01 | 1996-10-01 | Kabanek; Joseph R. | Patient's hand immobilizer |
| WO1999052477A1 (en) * | 1998-04-15 | 1999-10-21 | Dynamic Healthcare Ltd. | Appendage correction device |
| US20170112654A1 (en) * | 2015-10-23 | 2017-04-27 | Edward Lafe Altshuler | Hand suspension fixture |
| CN106621212A (en) * | 2016-12-13 | 2017-05-10 | 顾马飞 | Finger muscle force rehabilitation device |
| CN208659672U (en) * | 2017-12-13 | 2019-03-29 | 无锡市第四人民医院 | Hand constrainer with finger exercise function |
| CN208492439U (en) * | 2017-12-29 | 2019-02-15 | 沙洋县人民医院 | A kind of psychiatric department hand restraint strap |
| CN109223288A (en) * | 2018-09-27 | 2019-01-18 | 安徽百通达科技医疗用品有限公司 | A kind of anti-tube drawing medical gloves of easy donning |
| CN210541997U (en) * | 2019-04-03 | 2020-05-19 | 泰康仙林鼓楼医院有限公司 | Constraint glove capable of exercising hands |
| CN210494352U (en) * | 2019-07-02 | 2020-05-12 | 翟慧兰 | Prevent tube drawing function restraint gloves |
| CN210784937U (en) * | 2019-07-22 | 2020-06-19 | 四川省骨科医院 | Restraint ball for preventing accidental tube drawing of patient |
| CN111658281A (en) * | 2020-06-08 | 2020-09-15 | 昆明医科大学第二附属医院 | Recovered stopper of skin burn between finger |
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| Publication number | Publication date |
|---|---|
| CN112336511B (en) | 2021-10-22 |
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