WO2015055064A1 - 医用体位保持带固定装置 - Google Patents

医用体位保持带固定装置 Download PDF

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Publication number
WO2015055064A1
WO2015055064A1 PCT/CN2014/086487 CN2014086487W WO2015055064A1 WO 2015055064 A1 WO2015055064 A1 WO 2015055064A1 CN 2014086487 W CN2014086487 W CN 2014086487W WO 2015055064 A1 WO2015055064 A1 WO 2015055064A1
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WO
WIPO (PCT)
Prior art keywords
body position
medical body
fixing device
clip
position retaining
Prior art date
Application number
PCT/CN2014/086487
Other languages
English (en)
French (fr)
Inventor
陶晓旺
彭伟
李庆学
李红强
吉鸣
Original Assignee
迈柯唯医疗设备(苏州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 迈柯唯医疗设备(苏州)有限公司 filed Critical 迈柯唯医疗设备(苏州)有限公司
Priority to US15/029,668 priority Critical patent/US10786386B2/en
Priority to JP2016524458A priority patent/JP6284631B2/ja
Priority to EP14854744.1A priority patent/EP3058924B1/en
Priority to SG11201603020UA priority patent/SG11201603020UA/en
Publication of WO2015055064A1 publication Critical patent/WO2015055064A1/zh

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Classifications

    • 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
    • A61F5/3769—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts for attaching the body to beds, wheel-chairs or the like
    • A61F5/3776—Restraining devices for the body or for body parts, e.g. slings; Restraining shirts for attaching the body to beds, wheel-chairs or the like by means of a blanket or belts
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/101—Clamping means for connecting accessories to the operating table

Definitions

  • the present invention relates to a medical body position retaining strap securing device, and more particularly to a medical body position retaining strap securing device for securing a medical body position retaining strap to a surgical bed side rail and releasing it from the operating bed side rail.
  • the hospital when a patient needs surgery, the hospital generally uses a bundled strap (also called a "medical body position belt”) to restrain the patient's body part and prevent the patient from causing damage during the movement.
  • the existing medical body position retaining belt is usually equipped with a fixing device at one end or both ends, and the medical body position maintaining belt is fixed to the side rail of the operating bed by the fixing device, thereby keeping the patient's body position.
  • the current medical position maintaining belt fixing device is mainly divided into two schemes: one is a sheet metal bending structure (as shown in Fig. 1(a)), and the sheet metal bending structure is combined with the side rail 105 to realize gravity by the pendulum block 100. Self-locking, that is, it cannot be separated without lifting the pendulum block; second, it is fixed by bolts.
  • the defect of the first scheme no pre-tightening force, and can be arbitrarily slid after being combined with the side rails, so it can only be installed between the side rail connecting columns 106, and cannot be installed at the opening at one end (as shown in Fig. 1(b)).
  • the side rail is at an angle of 30° to the horizontal plane, the sheet metal bending structure will slide; due to its structural particularity, the medical body position maintaining belt fixing device of the first scheme cannot satisfy the side rails of the different operating beds.
  • the bolt 200 is used for locking and fixing (as shown in Fig. 2), which is not only time-consuming but also difficult to clean.
  • One object of the present invention is to overcome the above-mentioned drawbacks of the prior art medical body position retaining strap securing device, and to provide a medical body position retaining strap securing device which can provide a pre-clamping force and can be mounted at any position on the side rail of the operating bed to ensure It does not slide when the side rails are at an angle of 30° to the horizontal plane. It can be used for the side rails of different operating beds (as long as the height of the side rails is constant), avoiding the use of bolts to improve the efficiency of use and easy to clean.
  • a medical body position retaining strap securing device for securing a medical body position retaining strap to and from a surgical bed side rail, wherein the medical position
  • the position maintaining belt fixing device comprises an upper clamping member, a lower clamping member and an elastic member, the upper clamping member or the lower clamping member being coupled to the medical body position maintaining belt, wherein the upper clamping member and the lower clamping member are respectively provided a clamping portion for clamping the side rail of the operating bed, the two ends of the elastic member respectively abut or be fixed to the upper clip and the lower clip, and the medical position maintaining belt fixing device can present a clamping state and an open state, in which the elastic member moves the clamping portion of the upper clamping member and the clamping portion of the lower clamping member toward each other by virtue of its own elastic force, thereby a medical body position retaining strap is fixed to the operating bed side rail, and in the open state, the elastic force of the elastic member is overcome to move the clamping portion of the upper clip and the lower clip
  • the medical position maintaining belt fixing device of the present invention can provide the following beneficial technical effects: the pre-clamping force can be provided, and can be installed at any position on the side rail of the operating bed to ensure that it is 30 at the side rail and the horizontal plane.
  • the angle of ° does not slide, can be used for the side rails of different operating beds (as long as the height of the side rails is constant), avoiding the use of bolts to improve the efficiency of use and easy to clean.
  • the upper clip or the lower clip is coupled to the medical body position retaining strap by a retaining strap coupling, one end of the retaining strap coupling being secured to the medical body retaining strap, the retaining The other end of the belt coupling is fixed to the upper clip or the lower clip.
  • the medical body position retaining belt fixing device of the present invention can achieve the following advantageous technical effects: the use of the additional retaining belt coupling member can make the connection between the medical body position retaining belt and the medical body position retaining belt fixing device more stable.
  • the elastic member is disposed in the elastic member receiving portion of at least one of the upper clip and the lower clip.
  • the medical body position maintaining belt fixing device of the invention can play the following beneficial technologies
  • the effect is that the elastic member receiving portion is disposed in at least one of the upper clip and the lower clip and the elastic member is disposed in the elastic member receiving portion, so that the elastic member can be more easily installed and hidden in use. To prevent contamination of medical personnel.
  • the upper and lower clips are pivotable relative to each other about a pivot.
  • the medical body position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: it can be more conveniently switched between the clamping state and the open state, thereby facilitating fixing the medical body position maintaining belt to the operating bed side rail. And release from the side rails of the operating bed.
  • the pivot is integrally formed with the upper clip or the lower clip.
  • the medical body position retaining belt fixing device of the present invention can achieve the following beneficial technical effects: simplifying the structure of the medical body position retaining belt fixing device and reducing the number of parts.
  • the lower clip or the upper clip is provided with a slot, and a limiting member is disposed in the slot to prevent the upper clip and the lower clip from moving laterally relative to each other.
  • the medical body position retaining belt fixing device of the present invention can provide the following advantageous technical effects: the upper clip member and the lower clip member can be effectively prevented from laterally moving relative to each other, so that the medical body position retaining belt fixing device does not easily fall apart.
  • the pivot is formed separately and through the upper and lower clamps.
  • the medical position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: it can be conveniently switched between the clamping state and the open state, thereby facilitating fixing the medical body position maintaining belt to the operating bed side rail. And release from the side rails of the operating bed.
  • one end of the pivot shaft is provided with a pivot cap, and the other end of the pivot shaft is connected with a fixing screw to prevent the upper clip member and the lower clip member from moving laterally relative to each other.
  • the medical body position retaining belt fixing device of the present invention can provide the following advantageous technical effects: the upper clip member and the lower clip member can be effectively prevented from laterally moving relative to each other, so that the medical body position retaining belt fixing device does not easily fall apart.
  • the elastic member is a compression spring.
  • the medical body position maintaining belt fixing device of the present invention can have the following beneficial technical effects: it can be conveniently switched between the clamping state and the open state, thereby facilitating fixing the medical body position maintaining belt to the operating bed side rail and Released from the side rails of the operating bed.
  • one end of the elastic member abuts the elastic member receiving portion of the at least one clip
  • the bottom surface of the elastic member abuts against at least one of the upper clip and the lower clip.
  • the medical body position retaining belt fixing device of the present invention can achieve the following beneficial technical effects: it can be conveniently switched between the clamped state and the open state, and the elastic member is relatively stably installed, so that the medical body position retaining belt is fixed. The device is not easy to fall apart.
  • the medical position retaining strap fixing device further includes a slider interposed between the elastic member and at least one of the upper clip and the lower clip And partially housed in the elastic member housing.
  • the medical body position retaining belt fixing device of the present invention can have the following beneficial technical effects: the slider is usually made of a wear resistant material (for example, plastic), thereby avoiding excessive between the elastic member and the upper clip member. Wear; the contact area of the slider with the upper clamp member is generally larger than the contact area of the elastic member directly with the upper clamp member, thereby ensuring more stable contact between the elastic member and the upper clamp member and maintaining the entire medical body position with the belt fixing device More stable.
  • a wear resistant material for example, plastic
  • the elastic member is a tension spring, a torsion spring or a leaf spring.
  • the medical body position retaining belt fixing device of the present invention can achieve the following beneficial technical effects: various elastic member types can be adopted, so that the medical body position maintaining belt fixing device can be conveniently between the clamped state and the open state. Switching to facilitate securing the medical body position retaining strap to the surgical bed side rail and releasing it from the operating bed side rail.
  • the upper clip and the lower clip are extruded.
  • the medical body position retaining belt fixing device of the present invention can provide the following advantageous technical effects: even if the shape and structure of the upper clip member and the lower clip member are complicated, for example, a rotating shaft, a rotating shaft surrounding portion, a clamping portion, and a yoke are formed.
  • the abutment, the elastic member accommodating portion, and the like can also be simply extruded, the processing time is short, and mass production can be achieved.
  • the long profile of the clip can be extruded first, and then the long profile of the clip is cut into a plurality of clips, which greatly improves the production efficiency of the clip.
  • the at least one clip member of the lower clip member and the upper clip member provided with the elastic member receiving portion is provided with a vent hole at one end thereof, the vent hole and the elastic member
  • the receptacle is in communication to facilitate movement of the resilient member.
  • the medical body position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: for example, in the case of a compression spring, the medical body position maintaining belt fixing device is repeatedly opened And clamping, the compression spring is repeatedly compressed and reset, which inevitably presses air into the elastic member receiving portion, so that a certain air pressure exists in the elastic member receiving portion, and this air pressure hinders the user from holding the belt fixing device for the medical body position.
  • the normal operation for example, prevents the user from opening the medical position maintaining belt fixing device.
  • by providing a vent hole communicating with the elastic member receiving portion excess air can be drained, so that the user can conveniently operate (especially open). Medical position retention belt fixing device.
  • the medical position retaining strap fixing device can also assume a pre-use state, in which the abutting portion of the upper clip and the abutting portion of the lower clip rely on the elasticity The elastic forces of the pieces abut each other.
  • the medical body position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: the clamping portion of the upper clamping member and the clamping portion of the lower clamping member can be prevented from being in the state before use due to the elastic force of the elastic member. By being too close, it is further avoided that the user needs to overcome the excessive elastic force when switching the medical position maintaining belt fixing device from the pre-use state to the open state, so that the clamping of the medical position maintaining belt fixing device is easier; When the medical body position retaining strap fixing device, the medical body position retaining strap fixing device can be stably maintained in the pre-use state, so that the medical body position retaining strap fixing device does not easily fall apart.
  • the other end of the retaining strap coupling is secured to the upper clip by a screw.
  • the medical body position retaining belt fixing device of the present invention can provide the following advantageous technical effects: the retaining belt coupling member can be easily and adjustably fixed to the upper clamp member.
  • the other end of the retaining strap coupling is fixed to the upper clip by a screw, and the screw constitutes the stopper.
  • the medical position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: the screw can simultaneously have two functions, and the other end of the holding belt coupling member can be adjustably fixed to the upper clamping member, It is to prevent the upper and lower clips from moving laterally relative to each other. Therefore, the number of components of the medical body position retaining belt fixing device can be reduced, and the design can be simplified.
  • the upper clip member is provided with a circular arc-shaped step on a surface thereof fixed to the retaining strap coupling member, so that the maximum yaw angle of the retaining strap coupling member is 30°.
  • the medical body position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: limiting the maximum yaw angle of the retaining belt coupling member to 30°, avoiding side slipping and endangering patient safety during the operation process. .
  • the lower clip or the upper clip is provided with a lug portion for the user to grip during use.
  • the medical body position retaining belt fixing device of the present invention can achieve the following beneficial technical effects: the user secures the position of the medical body position to the side rail of the operating bed or adjusts the position of the medical body position retaining belt, one hand
  • the opening and clamping of the medical body position retaining belt fixing device can be realized, so that the process of fixing or adjusting the medical body position maintaining belt is simpler and faster.
  • the clamping portion is a hook-shaped clamping portion.
  • the medical body position retaining belt fixing device of the present invention can provide the following advantageous technical effects: the surgical bed side rail can be clamped more stably and reliably.
  • the upper clip is shaped to apply a hook-shaped clamping portion of the upper clip to the side rail of the operating bed as the additional tension of the medical position retaining strap increases. The additional clamping force on the top is multiplied.
  • the medical position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: even if the patient has an unconscious movement during the operation, the patient can be stably held at a certain position; the patient's movement is more intense (That is, the greater the additional tension of the medical body position retaining strap, the greater the additional clamping force exerted by the hook-shaped gripping portion of the upper clip on the side rail of the operating bed, ensuring that the patient is firmly held in a certain position;
  • the additional clamping force exerted by the hook-shaped clamping portion of the upper clip on the side rail of the operating bed can multiply the additional tension of the medical body position retaining belt by a magnification of L1/L2, further ensuring that the patient is firmly secured Keep in a certain position.
  • the medical body position retaining strap fixing device further includes a spacer disposed between the retaining strap coupling member and the upper clip member or the lower clip member.
  • the medical body position retaining belt fixing device of the present invention can achieve the following beneficial technical effects: the retaining belt coupling member is separated from the upper clamping member or the lower clamping member, thereby avoiding the use process of the medical body position maintaining belt fixing device.
  • the middle belt retaining member rubs against the upper or lower clip member; avoiding the absolute linkage of the retaining strap coupling member with the upper or lower clamp member, only after the retaining strap coupling member swings to the right to the rightmost extreme position, Maintaining the further right swing of the strap coupling will drive the opening of the upper or lower clip, thereby making the medical position retaining strap securing device of the present invention more secure.
  • the medical position retaining strap fixing device further includes a slider, one end of the elastic member abuts or is fixed to at least one of the upper clip and the lower clip, the elasticity Another piece The end is abutted or fixed to at least one of the upper and lower clips by means of the slider.
  • the medical body position retaining belt fixing device of the present invention can have the following beneficial technical effects:
  • the slider is usually made of a wear resistant material (for example, plastic), thereby avoiding the elastic member and the upper clip/lower clip. Excessive wear between the slider; the contact area of the slider with the upper/lower clip member is generally larger than the contact area of the elastic member directly with the upper/lower clip member, thereby ensuring the elastic member and the upper/lower clip More stable contact between the pieces and the entire medical position retention belt fixture is more stable.
  • the elastic member and the slider are both disposed in a horizontal direction.
  • the elastic member and the slider are both disposed in a vertical direction.
  • the medical body position retaining belt fixing device of the present invention can provide the following beneficial technical effects: the elastic member and the slider can be flexibly disposed in different directions according to different needs.
  • the slider is provided with an elastic member receiving portion, and the elastic member is at least partially accommodated in the elastic member receiving portion.
  • the medical position maintaining belt fixing device of the present invention can achieve the following beneficial technical effects: the elastic member can be installed more easily, and the elastic member can be hidden during use to prevent contamination of medical personnel.
  • Fig. 1(a) shows a side view of a prior art medical body position retaining strap securing device in the form of a sheet metal bending structure
  • Fig. 1(b) shows a schematic view of the operating bed portion and its side rails.
  • Fig. 2 shows a side view of another prior art medical position retaining strap securing device that is secured by bolts.
  • Fig. 3 is a view showing an exploded assembly view of a medical body position retaining belt fixing device according to an embodiment of the present invention.
  • Fig. 4 is a front elevational view showing the medical body position retaining belt fixing device of the embodiment of the present invention in a clamped state.
  • Fig. 5 is a cross-sectional view taken along line A-A of Fig. 4 when the medical body position retaining belt fixing device according to the embodiment of the present invention is in a clamped state.
  • Fig. 6 is a perspective view showing the medical body position retaining belt fixing device according to an embodiment of the present invention in a clamped state.
  • Figure 7 shows a medical body position retaining belt fixing device according to an embodiment of the present invention before being used separately A side view in the state, the open state, and the clamped state, wherein FIG. 7(a) shows the pre-use state, FIG. 7(b) shows the open state, and FIG. 7(c) shows the gripping state.
  • Fig. 8 is a perspective view showing a medical body position retaining belt fixing device according to another embodiment of the present invention.
  • Fig. 9(a) shows an operational state diagram of the maximum leftward yaw angle of the belt coupling
  • Fig. 9(b) shows an operational state diagram of the maximum rightward yaw angle of the belt coupling.
  • Fig. 10 is a view showing the mechanical principle of a medical body position retaining belt fixing device according to an embodiment of the present invention.
  • 11(a) and 11(b) are cross-sectional views showing a medical body position retaining belt fixing device according to another embodiment of the present invention.
  • Fig. 12 (a) is a cross-sectional view showing a state in which a medical body position retaining band fixing device according to another embodiment of the present invention is clamped
  • Fig. 12 (b) is a view showing the opening of a medical body position retaining band fixing device according to another embodiment of the present invention
  • Fig. 12(c) is a view showing an exploded assembly of a medical body position retaining band fixing device according to another embodiment of the present invention.
  • Fig. 3 is a view showing an exploded assembly view of a medical body position retaining belt fixing device according to an embodiment of the present invention.
  • the medical body position maintaining belt fixing device according to an embodiment of the present invention is for fixing and releasing the medical body position maintaining belt to the operating bed side rail, and the medical body position maintaining belt fixing device comprises the upper clamping member 1 and the lower clamping member 2 And the elastic member 4, the upper clip 1 or the lower clip 2 is coupled to the medical body position retaining strap. Both ends of the elastic member 4 are respectively abutted or fixed to the upper clip 1 and the lower clip 2.
  • the upper clip 1 or the lower clip 2 can be directly coupled to the medical body position retaining strap.
  • the upper clip 1 or the lower clip 2 can also be coupled to the medical body position retaining strap by means of the retaining strap coupling 3, one of the retaining strap couplings 3
  • the end is fixed to the medical body position retaining belt, and the other end of the holding belt coupling member 3 is fixed to the upper clip member 1 or the lower clip member 2 (for example, FIG. 3 shows that the other end of the retaining strap coupling member 3 is fixed to the upper clip member 1).
  • the elastic member 4 is disposed in the elastic member housing portion 29 of at least one of the upper and lower clamp members 1 and 2.
  • Fig. 4 is a front elevational view showing the medical body position retaining belt fixing device of the embodiment of the present invention in a clamped state.
  • Fig. 5 is a cross-sectional view taken along line A-A of Fig. 4 when the medical body position retaining belt fixing device according to the embodiment of the present invention is in a clamped state.
  • Fig. 6 is a perspective view showing the medical body position retaining belt fixing device according to an embodiment of the present invention in a clamped state.
  • the upper clip 1 and the lower clip 2 are respectively provided with grip portions 11 and 21 for gripping the surgical bed side rail 5.
  • FIG. 5 only shows that the elastic member 4 is disposed in the elastic member receiving portion 29 of the lower clamp member 2, it will be understood by those skilled in the art on the basis of the present invention that the elastic member 4 can also be disposed on the upper clamp member 1. Inside the elastic member housing.
  • the grip portions 11 and 21 are preferably hook-shaped grip portions.
  • the grip portions 11 and 21 can also assume other shapes as long as the surgical bed side rail 5 can be reliably held, for example, the grip portions 11 and 21 can be substantially flush with the rest of the clip. unit.
  • the elastic member 4 In the clamped state shown in FIGS. 4-6, the elastic member 4 relies on its own elastic force to sandwich the other of the upper and lower clamp members (the upper clamp member 1 shown in FIGS. 4-6).
  • Fig. 4-6 shows the clamping portion 11) moving toward the clamping portion of the one clip (the lower clip 2 shown in Fig. 4-6) (the grip portion 21 is shown in Fig. 4-6)
  • the medical body position retaining strap is fixed to the operating bed side rail 5.
  • Fig. 7 is a side elevational view showing the medical body position retaining belt fixing device according to an embodiment of the present invention in a pre-use state, an open state, and a gripping state, respectively, wherein Fig. 7(a) shows the pre-use state, 7(b) shows the open state, and Fig. 7(c) shows the clamped state.
  • the elastic member 4 moves the grip portion 11 of the upper clip 1 to the grip portion 21 of the lower clip 2 by its own elastic force, thereby positioning the medical body.
  • the retaining strap is secured to the surgical bed side rail 5.
  • the upper clamp member 1 and the lower clamp member 2 are also provided with an abutting portion 10 and an abutting portion 20, respectively.
  • the abutting portions 10 of the upper clamp member 1 and the abutting portions 20 of the lower clamp member 2 abut against each other by the elastic force of the elastic member 4. Since the abutting portion 10 of the upper clip 1 and the abutting portion 20 of the lower clip 2 abut each other in the pre-use state, the following advantageous technical effects can be achieved: the grip portion 11 and the lower portion of the upper clip 1 can be prevented from being lowered The clamping portion 21 of the clip 2 is too close in the pre-use state due to the elastic force of the elastic member 4, thereby further preventing the user from overcoming the need to switch the medical position maintaining belt fixing device from the pre-use state to the open state.
  • the large elastic force makes the holding of the medical position maintaining belt fixing device easier; when the medical body position maintaining belt fixing device is not used, the medical body position maintaining belt fixing device can be stably maintained in the pre-use state, so that the medical body position maintaining belt The fixture is not easy to fall apart.
  • the abutment portion 10 of the upper clamp member 1 and the abutment portion 20 of the lower clamp member 2 may not be additionally provided, and the state before use is directly by the clamping portion 11 and the lower clamp member 2 of the upper clamp member 1.
  • the nip portion 21 is abutted, and the technical effect of stably holding the medical body position retaining belt fixing device in the pre-use state can also be achieved, and such a medical body position retaining belt fixing device can also effectively fix the medical body position retaining belt to Surgical bed side rails.
  • the user switches the medical body position belt fixing device from the pre-use state to the case where the abutting portion 10 of the upper clip 1 and the abutting portion 20 of the lower clip 2 are additionally provided. Large elastic forces need to be overcome when opening the state.
  • FIGS. 4-7 only show that the elastic member 4 moves the clamping portion 11 of the upper clamping member 1 to the clamping portion 21 of the lower clamping member 2, it will be understood by those skilled in the art on the basis of the present invention that when elastic When the piece 4 is disposed in the elastic member housing portion of the upper clamp member 1, the elastic member 4 can also move the clamping portion 21 of the lower clamp member 2 to the nip portion 11 of the upper clamp member 1.
  • the upper clamp 1 and the lower clamp 2 are pivotable relative to each other about a pivot 12.
  • the pivot 12 is integrally formed on the upper clamp member 1, and a pivotal surrounding portion 22 is provided on the lower clamp member 2.
  • a pivot can be integrally formed on the lower clamp member 2 and a pivotal surrounding portion can be disposed on the upper clamp member 1, and the upper clamp member 1 and the lower clamp member can also be realized. 2 The technical effect of pivoting about the pivot relative to each other.
  • the lower clip 2 is provided with a slit.
  • the slot can be disposed at a laterally intermediate position of the pivotal enclosure 22 of the lower clip 2 as shown in FIG.
  • a stopper 31 is provided in the slit to prevent the upper clip 1 and the lower clip 2 from moving laterally relative to each other.
  • the pivot 12' is formed separately and through the upper and lower clamps 1 and 2.
  • One end of the pivot 12' is provided with a pivot cap 12", and the other end of the pivot is connected with a fixing screw (not shown) to prevent the upper clip 1 and the lower clip 2 from moving laterally relative to each other.
  • the upper and lower clamps 1 and 2 can pivot relative to each other about a pivot 12
  • those skilled in the art can understand the upper clamp 1 and the lower clamp on the basis of the present invention.
  • Other connection schemes may also be employed to achieve the clamped state and the open state of the medical body position retaining strap fixture.
  • the upper clamp member 1 and the lower clamp member 2 may be connected by a slide rail. In the clamped state, the elastic member moves the clamping portion of the upper clamp member 1 or the lower clamp member 2 to the lower clamp member 2 or above by its own elastic force.
  • the clamping portion of the clip 1 secures the medical body position retaining strap to the operating table side rail, and in the open state, overcomes the elastic force of the elastic member to move the gripping portion of the upper clip member 1 or the lower clip member 2 away from the lower portion
  • the clamping member 2 or the clamping portion of the upper clamping member 1 releases the medical body position retaining strap from the operating bed side rail.
  • the resilient member 4 is preferably a compression spring, as shown in FIG.
  • One end of the compression spring 4 abuts against the bottom surface of the elastic member housing portion 29 of the lower clamp member 2, and the other end of the compression spring 4 abuts against the upper clamp member 1.
  • the other end of the compression spring 4 may also not abut the upper clamp 1 but with the slider 6 against the upper clamp 1.
  • the medical body position retaining belt fixing device may further include a slider 6.
  • the slider 6 is interposed between the elastic member 4 and the upper clamp member 1 and partially accommodated therebetween. Inside the elastic member housing portion 2. Inserting the slider 6 between the elastic member 4 and the upper clamp member 1 has the following advantageous technical effect: the slider is usually made of a wear-resistant material (for example, plastic) so that the elastic member 4 and the upper clamp member 1 can be avoided. Excessive wear; the contact area of the slider with the upper clamp member is generally larger than the contact area of the elastic member directly with the upper clamp member, thereby ensuring more stable contact between the elastic member and the upper clamp member and maintaining the entire medical body position. The fixture is more stable.
  • a wear-resistant material for example, plastic
  • the resilient member 4 is a compression spring.
  • the elastic member 4 can also be a tension spring, a torsion spring or a leaf spring, or even any of the clamping state and the open state of the medical body position retaining belt fixing device.
  • Other types of springs or elastic members are possible.
  • both ends of the tension spring are fixed to the upper clamp member 1 and the lower clamp member 2, respectively, so that the upper clamp member 1 and the tensile force of the extension spring are used in the clamped state.
  • the respective clamping portions of the lower clamp members 2 are pulled toward each other, and in the open state, the respective clamping portions of the upper clamp member 1 and the lower clamp member 2 are moved away from each other against the tensile force of the tension spring.
  • both ends of the torsion spring are respectively fixed to the upper clamp member 1 and the lower clamp member 2, so that the upper clamp member 1 and the lower clamp member 2 are supported by the torsion force of the torsion spring in the clamped state.
  • the respective clamping portions are moved toward each other, and in the open state, the respective clamping portions of the upper and lower clamp members 1 and 2 are moved away from each other against the torsional force of the torsion spring.
  • the elastic member 4 is a leaf spring (as shown in FIG. 8)
  • one end of the leaf spring is fixed to the lower clamp member 2, and the other end abuts against the upper clamp member 1, so that the elastic state of the leaf spring is utilized in the clamped state.
  • the respective clamping portions of the upper clamp member 1 and the lower clamp member 2 are moved toward each other, and in the open state, the respective clamping portions of the upper clamp member 1 and the lower clamp member 2 are moved away from each other against the elastic force of the leaf spring.
  • the upper clip 1 and the lower clip 2 are extrusion molded. That is, the upper clip 1 and the lower clip 2 may be in the form of a clip.
  • the extruded upper and lower clips have the following advantageous technical effects: even if the shape and configuration of the upper and lower clips are complicated, for example, a rotating shaft, a rotating shaft surrounding portion, a clamping portion, an abutting portion, and an elastic member are formed.
  • the accommodating portion or the like can also be easily formed by extrusion, and the processing time is short and can be mass-produced.
  • the long profile of the clip can be extruded first, and then the long profile of the clip is cut into a plurality of clips, which greatly improves the production efficiency of the clip.
  • the upper clamp member 1 and the lower clamp member 2 can also adopt other forming methods, such as sheet metal bending forming, etc., but the above-mentioned extrusion molding cannot be realized. Beneficial technical effects.
  • the lower clamp member 2 and the one of the upper clamp members 1 provided with the elastic member accommodating portion 29 are at one end thereof (for example, FIG. 5).
  • the lower end shown) is provided with a vent hole 30 which communicates with the elastic member accommodating portion 29 to facilitate the movement of the 4 elastic members.
  • the arrangement of the above vent holes has the following advantageous technical effects: for example, in the case of the compression spring shown in Fig. 5, since the medical body position retaining belt fixing device is repeatedly opened and clamped, the compression spring is repeatedly compressed and reset, so that The air is prevented from being pressed into the elastic member receiving portion, so that a certain air pressure exists in the elastic member receiving portion.
  • This air pressure may hinder the user from normal operation of the medical body position maintaining device, for example, hindering the user from opening the medical body position maintaining device.
  • a vent hole that communicates with the elastic member accommodating portion excess air can be drained, so that the user can conveniently operate (especially open) the medical body position retaining band fixing device.
  • the other end of the holding belt coupling 3 is fixed to the upper jaw 1 by means of a screw 31', as shown in Fig. 5.
  • the yaw angle of the retaining strap coupling can be conveniently adjusted to further facilitate adjustment
  • the medical position maintains the restrained position and angle of the belt.
  • the screw 31' constitutes the aforementioned stopper 31.
  • the screw 31' can simultaneously have two functions: one is to adjustably fix the other end of the holding belt coupling 3 to the upper clamping member 1; the other is to prevent the upper clamping member 1 and the lower clamping member 2 from moving laterally relative to each other. . Therefore, the number of components of the medical body position retaining belt fixing device can be reduced, and the design can be simplified.
  • the upper clamp member 1 is provided with a circular arc-shaped step portion 13 on its surface fixed to the retaining belt coupling member 3, thereby achieving the maximum bias of the retaining belt coupling member 3.
  • the swing angle is 30°.
  • Fig. 9(a) shows that the maximum leftward yaw angle of the holding belt coupling 3 is 30°.
  • Fig. 9(b) shows that the maximum rightward yaw angle of the retaining belt coupling 3 is 30°.
  • the corresponding end faces of the holding belt coupling member 3 should also be designed in a circular arc shape as shown in Figs. 9(a) and 9(b).
  • the inventors have found that if the maximum yaw angle of the belt coupling member 3 is maintained over 30°, the entire medical body position maintaining belt fixing device is easily slipped, which may endanger the safety of the patient during the operation. Therefore, as described above, the circular arc-shaped step portion 13 of the upper clamp member 1 is designed to restrict the maximum yaw angle of the holding belt coupling member 3 to 30°.
  • the lower clip 2 or the upper clip 1 is provided with a lug portion 28 for the user to grip during use.
  • the lower clamp 2 is provided with a lug portion 28.
  • Fig. 10 is a view showing the mechanical principle of a medical body position retaining belt fixing device according to an embodiment of the present invention.
  • the additional tension of the medical body position retaining strap is zero, that is, the medical body retaining strap is applied to the upper clip 1 by means of the retaining strap coupling 3
  • the force F1 is zero.
  • the upper clamp member 1 is also subjected to a reaction force F2 from the surgical bed side guide rail which is the same magnitude and opposite direction to the additional clamping force.
  • F2 the reaction force
  • the pivot point of the pivot 12 is O
  • the force arm L1 is several times the force arm L2
  • the force is therefore F2 is several times the force F1. Therefore, as the additional tension of the medical body position retaining strap increases, the additional gripping force exerted by the hook-shaped gripping portion of the upper clip on the surgical bed side rail increases exponentially.
  • the above design of the medical position retention belt fixing device (mainly the shape design of the upper clamp member) has the following beneficial technical effects: even if the patient has an unconscious movement during the operation, the patient can be stably held at a certain position; the patient's movement The more intense (ie, the greater the additional tension of the medical body position retaining strap), the greater the additional clamping force exerted by the hook-shaped gripping portion of the upper clip on the side rail of the operating bed, ensuring that the patient is firmly held in a certain a position; the additional clamping force exerted by the hook-shaped clamping portion of the upper clip on the side rail of the operating bed can multiply the additional tension of the medical body position retaining belt by a magnification of L1/L2, further ensuring that The patient is firmly held in a certain position.
  • FIGS. 11(a) and 11(b) are cross-sectional views showing a medical body position retaining belt fixing device according to another embodiment of the present invention.
  • the embodiment shown in Figs. 11(a) and 11(b) is provided with a spacer 32 between the holding belt coupling member 3 and the upper clamping member 1, which spacer 32 It is used to separate the retaining strap coupling 3 from the upper clamp 1 to avoid friction between the strap coupling 3 and the upper clamp 1 during use of the medical body position retaining strap.
  • the spacer 32 is preferably a plastic spacer and may of course be made of other wear resistant materials.
  • FIGS. 11(a) and 11(b) since the spacer 32 is provided between the holding belt coupling 3 and the upper clamp 1, the holding belt coupling 3 obtains a right and left swing within a certain range. Degree of freedom.
  • Fig. 11 (a) shows a state in which the holding belt coupling 3 is swung to the rightmost limit position
  • Fig. 11 (b) shows a state in which the holding belt coupling 3 is swung to the leftmost extreme position.
  • the opening of 1 makes the medical body position retaining band fixture of the present invention safer.
  • the spacer 32 is at least partially embedded in the recess in the upper clip 1 to make the placement of the spacer 32 more stable.
  • FIGS. 12(a)-12(c) show a medical body position retaining belt fixing device according to another embodiment of the present invention Clamped state cross-sectional view, open state cross-sectional view, and exploded assembly drawing.
  • the medical body position retaining strap fixing device comprises a slider 6', one end of the elastic member 4' abuts or is fixed to the lower clip member 2, and the other end of the elastic member 4' is The slider 6' abuts or is fixed to the upper clamp 1.
  • Figures 12(a)-12(c) differs from the embodiment shown in Figures 11(a) and 11(b) in that: Figure 12(a)-12(c)
  • the elastic member 4' and the slider 6' are both disposed in the horizontal direction; and in the embodiment shown in Figs. 11(a) and 11(b), both the elastic member 4 and the slider 6 are along Set in the vertical direction.
  • the slider 6' is provided with an elastic member accommodating portion 29' at least partially accommodated in the elastic member accommodating portion 29'.

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  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nursing (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • Clamps And Clips (AREA)

Abstract

一种医用体位保持带固定装置，用于将医用体位保持带固定到手术床侧导轨（5）和从手术床侧导轨（5）释放，其中，该医用体位保持带固定装置包括上夹件（1）、下夹件（2）和弹性件（4），上夹件（1）或下夹件（2）联接至医用体位保持带，上夹件（1）和下夹件（2）分别设有用于夹持手术床侧导轨（5）的夹持部（11，21），弹性件（4）的两端分别抵靠或固定至上夹件（1）和下夹件（2），医用体位保持带固定装置能呈现夹持状态和打开状态，在夹持状态，弹性件（4）依靠自身的弹力将上夹件（1）的夹持部（11）和下夹件（2）的夹持部（21）移向彼此，从而将医用体位保持带固定到手术床侧导轨（5）上，而在打开状态，克服弹性件（4）的弹力以将上夹件（2）的夹持部（11）和下夹件（2）的夹持部（21）移离彼此，从而将医用体位保持带从手术床侧导轨（5）释放。

Description

医用体位保持带固定装置
本申请要求于2013年10月18日提交的、申请号为201310495302.6的中国专利申请的优先权，在此以参见的方式引入该申请的全部内容。
技术领域
本发明涉及一种医用体位保持带固定装置，尤其涉及一种用于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放的医用体位保持带固定装置。
背景技术
目前，在医用领域，当病人需要做手术时，医院一般采用捆绑式的绑带(也称“医用体位保持带”)来约束病人的身体部位，防止病人在移动过程中造成自身的伤害。现有医用体位保持带通常一端或两端安装有固定装置，通过该固定装置将医用体位保持带固定到手术床的侧导轨上，从而保持病人的体位不动。
目前的医用体位保持带固定装置主要分两种方案：一是钣金折弯结构(如图1(a)所示)，该钣金折弯结构与侧导轨105结合后靠摆块100实现重力自锁，即在不抬起摆块的情况下无法分离；二是靠螺栓实现固定。
方案一的缺陷：无预紧力，与侧导轨结合后可随意滑动，因此它只能安装在侧导轨连接柱106之间，不能安装在一端有开口的地方(如图1(b)所示)；另外当侧导轨与水平面成30°的角度时，钣金折弯结构会滑动；由于其结构特殊性，方案一的医用体位保持带固定装置无法满足不同手术床的侧导轨。
方案二的缺陷：采用螺栓200来锁紧固定(如图2所示)，不仅耗时而且不易清洁。
发明内容
本发明的一目的是克服现有医用体位保持带固定装置的上述缺陷，提供一种医用体位保持带固定装置，其能提供预夹持力，能安装在手术床侧导轨上的任意位置，确保其在侧导轨与水平面成30°的角度时不滑动，能用于不同手术床的侧导轨(只要侧导轨高度是一定的)，避免使用螺栓固定从而提高使用效率且容易清洁。
本发明的以上目的通过一种医用体位保持带固定装置来实现，该医用体位保持带固定装置用于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放，其中，所述医用体位保持带固定装置包括上夹件、下夹件和弹性件，所述上夹件或所述下夹件联接至所述医用体位保持带，所述上夹件和所述下夹件分别设有用于夹持所述手术床侧导轨的夹持部，所述弹性件的两端分别抵靠或固定至所述上夹件和所述下夹件，所述医用体位保持带固定装置能呈现夹持状态和打开状态，在所述夹持状态，所述弹性件依靠自身的弹力将所述上夹件的夹持部和所述下夹件的夹持部移向彼此，从而将所述医用体位保持带固定到所述手术床侧导轨上，而在所述打开状态，克服所述弹性件的弹力以将所述上夹件的夹持部和所述下夹件的夹持部移离彼此，从而将所述医用体位保持带从所述手术床侧导轨释放。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能提供预夹持力，能安装在手术床侧导轨上的任意位置，确保其在侧导轨与水平面成30°的角度时不滑动，能用于不同手术床的侧导轨(只要侧导轨高度是一定的)，避免使用螺栓固定从而提高使用效率且容易清洁。
较佳的是，所述上夹件或所述下夹件借助保持带联接件联接至所述医用体位保持带，所述保持带联接件的一端固定至所述医用体位保持带，所述保持带联接件的另一端固定至所述上夹件或所述下夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：采用附加的保持带联接件，可使医用体位保持带与医用体位保持带固定装置之间的联接更加稳固。
较佳的是，所述弹性件设置在所述上夹件和所述下夹件中的至少一个夹件的弹性件容纳部内。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技 术效果：在上夹件和下夹件中的至少一个夹件中设置弹性件容纳部并将弹性件设置在该弹性件容纳部内，可使弹性件的安装更加简便，且在使用时隐藏弹性件，防止污染医务人员。
较佳的是，所述上夹件和所述下夹件能围绕一枢轴相对于彼此枢转。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能更加方便地在夹持状态和打开状态之间切换，从而便于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放。
较佳的是，所述枢轴一体形成于所述上夹件或所述下夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：简化医用体位保持带固定装置的结构，减少部件数量。
较佳的是，所述下夹件或所述上夹件设有开槽，限位件设置在所述开槽内以防止所述上夹件和所述下夹件相对于彼此横向移动。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能有效地防止上夹件和下夹件相对于彼此横向移动，使得医用体位保持带固定装置不容易散架。
较佳的是，所述枢轴单独形成且穿过所述上夹件和所述下夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能较为方便地在夹持状态和打开状态之间切换，从而便于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放。
较佳的是，所述枢轴的一端设有枢轴帽，所述枢轴的另一端连接有固定螺钉，以防止所述上夹件和所述下夹件相对于彼此横向移动。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能有效地防止上夹件和下夹件相对于彼此横向移动，使得医用体位保持带固定装置不容易散架。
较佳的是，所述弹性件是压缩弹簧。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能方便地在夹持状态和打开状态之间切换，从而便于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放。
较佳的是，所述弹性件的一端抵靠所述至少一个夹件的所述弹性件容纳部 的底面，所述弹性件的另一端抵靠所述上夹件和所述下夹件中的至少另一个夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能方便地在夹持状态和打开状态之间切换，且弹性件的安装较为稳定，使得医用体位保持带固定装置不容易散架。
较佳的是，所述医用体位保持带固定装置还包括滑块，所述滑块插设于所述弹性件与所述上夹件和所述下夹件中的至少另一个夹件之间且部分地容纳于所述弹性件容纳部内。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：该滑块通常由耐磨材料(例如塑料)制成，从而能避免弹性件和上夹件之间的过度磨损；该滑块与上夹件的接触面积通常比弹性件直接与上夹件的接触面积大，从而能保证弹性件与上夹件之间更稳定的接触并使整个医用体位保持带固定装置更加稳固。
较佳的是，所述弹性件是拉伸弹簧、扭转弹簧或片弹簧。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：可采用各种弹性件类型，以使医用体位保持带固定装置能方便地在夹持状态和打开状态之间切换，从而便于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放。
较佳的是，所述上夹件和所述下夹件是挤压成形的。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：即使上夹件和下夹件的形状和构造复杂，例如形成有转轴、转轴围绕部、夹持部、抵靠部、弹性件容纳部等，也可简单地通过挤压成形，加工时间短，可大批量生产。例如，可先挤压成形出夹件长型材，再将该夹件长型材切割成多个夹件，这就大大提高了夹件生产效率
较佳的是，所述下夹件和所述上夹件中的设有所述弹性件容纳部的所述至少一个夹件在其一端设有通气孔，所述通气孔与所述弹性件容纳部连通以便于所述弹性件动作。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：例如在压缩弹簧的情况下，由于医用体位保持带固定装置反复地打开 和夹持，压缩弹簧就被反复地压缩和复位，这样不可避免地会将空气压入弹性件容纳部内导致弹性件容纳部内存在一定的气压，这个气压会妨碍使用者对于医用体位保持带固定装置的正常操作，例如妨碍使用者打开医用体位保持带固定装置，然而，通过设置与弹性件容纳部连通的通气孔，就可排掉多余的空气，使得使用者能够方便地操作(尤其是打开)医用体位保持带固定装置。
较佳的是，所述医用体位保持带固定装置还能呈现使用前状态，在所述使用前状态，所述上夹件的抵靠部和所述下夹件的抵靠部依靠所述弹性件的弹力彼此抵靠。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：可防止上夹件的夹持部和下夹件的夹持部在该使用前状态因弹性件的弹力而靠得太近，从而进一步避免使用者在将医用体位保持带固定装置从使用前状态切换至打开状态时需要克服过大的弹力，使医用体位保持带固定装置的夹持更加简易；在不使用医用体位保持带固定装置时，可将医用体位保持带固定装置稳定地保持在使用前状态，使得该医用体位保持带固定装置不容易散架。
较佳的是，所述保持带联接件的所述另一端借助螺杆固定至所述上夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能方便地且可调节地将保持带联接件固定至上夹件。
较佳的是，所述保持带联接件的所述另一端借助螺杆固定至所述上夹件，且所述螺杆构成所述限位件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：螺杆就可同时具备两个功能，一是将保持带联接件的另一端可调节地固定至上夹件，二是防止上夹件和下夹件相对于彼此横向移动。因此，可减少医用体位保持带固定装置的部件数量，简化设计。
较佳的是，所述上夹件在其与所述保持带联接件相固定的表面上设有圆弧形台阶部，从而实现所述保持带联接件的最大偏摆角为30°。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：限制所述保持带联接件的最大偏摆角为30°，避免侧滑而在手术过程中危及病人的安全。
较佳的是，所述下夹件或所述上夹件设有凸耳部，以便于使用者在使用时抓持。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：使用者在将医用体位保持带固定到所述手术床侧导轨或调整医用体位保持带的位置时，单手就能实现医用体位保持带固定装置的打开和夹持，使得医用体位保持带固定或调整的过程更加简单、快速。
较佳的是，所述夹持部是钩形夹持部。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能更稳定地且可靠地夹持手术床侧导轨。
较佳的是，所述上夹件的形状设计成：随着所述医用体位保持带的附加张紧力增大，所述上夹件的钩形夹持部施加在所述手术床侧导轨上的附加夹持力成倍地增大。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：即使病人在手术过程中有无意识动作，也能将病人稳固地保持在某一位置；病人的动作越激烈(即，医用体位保持带的附加张紧力越大)，上夹件的钩形夹持部施加在手术床侧导轨上的附加夹持力越大，确保将病人稳固地保持在某一位置；上夹件的钩形夹持部施加在手术床侧导轨上的附加夹持力能将医用体位保持带的附加张紧力成倍地放大，放大倍数为L1/L2，进一步确保将病人稳固地保持在某一位置。
较佳的是，所述医用体位保持带固定装置还包括垫片，所述垫片设置在所述保持带联接件和所述上夹件或所述下夹件之间。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：将保持带联接件与上夹件或下夹件隔开，从而避免在医用体位保持带固定装置的使用过程中保持带联接件与上夹件或下夹件相互摩擦；避免了保持带联接件与上夹件或下夹件的绝对联动，只有当保持带联接件向右摆动至最右极限位置之后，保持带联接件的进一步右摆才会带动上夹件或下夹件的打开，从而使得本发明的医用体位保持带固定装置更加安全。
较佳的是，所述医用体位保持带固定装置还包括滑块，所述弹性件的一端抵靠或固定至所述上夹件和所述下夹件中的至少一个夹件，所述弹性件的另一 端借助所述滑块抵靠或固定至所述上夹件和所述下夹件中的至少另一个夹件。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：该滑块通常由耐磨材料(例如塑料)制成，从而能避免弹性件和上夹件/下夹件之间的过度磨损；该滑块与上夹件/下夹件的接触面积通常比弹性件直接与上夹件/下夹件的接触面积大，从而能保证弹性件与上夹件/下夹件之间更稳定的接触并使整个医用体位保持带固定装置更加稳固。
较佳的是，所述弹性件和所述滑块均沿水平方向设置。
较佳的是，所述弹性件和所述滑块均沿竖直方向设置。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：能基于不同需求而沿不同方向灵活地设置弹性件和滑块。
较佳的是，所述滑块设有弹性件容纳部，所述弹性件至少部分地容纳于所述弹性件容纳部内。
根据上述技术方案，本发明的医用体位保持带固定装置能起到以下有益技术效果：可使弹性件的安装更加简便，且在使用时隐藏弹性件，防止污染医务人员。
附图说明
图1(a)示出了现有技术的一呈钣金折弯结构的医用体位保持带固定装置的侧视图，图1(b)示出了手术床局部及其侧导轨的示意图。
图2示出了现有技术的另一医用体位保持带固定装置的侧视图，其靠螺栓实现固定。
图3示出了本发明一实施例的医用体位保持带固定装置的爆炸装配图。
图4示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的前视图。
图5示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的、沿图4中线A-A的剖视图。
图6示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的立体图。
图7示出了本发明一实施例的医用体位保持带固定装置在分别处于使用前 状态、打开状态和夹持状态时的侧视图，其中，图7(a)示出了使用前状态，图7(b)示出了打开状态，图7(c)示出了夹持状态。
图8示出了本发明另一实施例的医用体位保持带固定装置的立体图。
图9(a)示出了保持带联接件的最大向左偏摆角的工作状态图，图9(b)示出了保持带联接件的最大向右偏摆角的工作状态图。
图10示出了本发明一实施例的医用体位保持带固定装置的力学原理图。
图11(a)和图11(b)示出了本发明另一实施例的医用体位保持带固定装置的剖视图。
图12(a)示出了本发明另一实施例的医用体位保持带固定装置的夹持状态剖视图，图12(b)示出了本发明另一实施例的医用体位保持带固定装置的打开状态剖视图，图12(c)示出了本发明另一实施例的医用体位保持带固定装置的爆炸装配图。
图中：1、上夹件；2、下夹件；3、保持带联接件；4、弹性件；4’、弹性件；5、手术床侧导轨；6、滑块；6’、滑块；10、抵靠部；11、夹持部；12、枢轴；12’、枢轴；12”、枢轴帽；13、台阶部；20、抵靠部；21、夹持部；22、枢轴围绕部；29、弹性件容纳部；29’、弹性件容纳部；31、限位件；31’、螺杆；32、垫片；100、摆块；105、手术床侧导轨；106、侧导轨连接柱；200、螺栓。
具体实施方式
下面，结合附图对本发明的优选实施方式进行说明。
图3示出了本发明一实施例的医用体位保持带固定装置的爆炸装配图。本发明一实施例的医用体位保持带固定装置用于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放，该医用体位保持带固定装置包括上夹件1、下夹件2和弹性件4，上夹件1或下夹件2联接至医用体位保持带。弹性件4的两端分别抵靠或固定至上夹件1和下夹件2。
上夹件1或下夹件2可直接联接至医用体位保持带。当然，上夹件1或下夹件2也可借助保持带联接件3联接至医用体位保持带，保持带联接件3的一 端固定至医用体位保持带，保持带联接件3的另一端固定至上夹件1或下夹件2(例如，图3示出了保持带联接件3的另一端固定至上夹件1)。
较佳的是，弹性件4设置在上夹件1和下夹件2中的至少一个夹件的弹性件容纳部29内。
图4示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的前视图。图5示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的、沿图4中线A-A的剖视图。图6示出了本发明一实施例的医用体位保持带固定装置在处于夹持状态时的立体图。
如图5所示，上夹件1和下夹件2分别设有用于夹持手术床侧导轨5的夹持部11和21。
虽然图5仅仅示出了弹性件4设置在下夹件2的弹性件容纳部29内，但本领域技术人员在本发明的基础上可以理解，弹性件4同样也可设置在上夹件1的弹性件容纳部内。
如图5所示，夹持部11和21较佳地是钩形夹持部。当然，夹持部11和21也可呈现其它形状，只要能可靠地夹持手术床侧导轨5即可，例如夹持部11和21可以是与夹件的其余部分基本平齐的平面夹持部。
在图4-6所示的夹持状态，弹性件4依靠自身的弹力将上夹件和下夹件中的另一个夹件(图4-6所示为上夹件1)的夹持部(图4-6所示为夹持部11)移向所述一个夹件(图4-6所示为下夹件2)的夹持部(图4-6所示为夹持部21)，从而将医用体位保持带固定到手术床侧导轨5上。
图7示出了本发明一实施例的医用体位保持带固定装置在分别处于使用前状态、打开状态和夹持状态时的侧视图，其中，图7(a)示出了使用前状态，图7(b)示出了打开状态，图7(c)示出了夹持状态。
在图7(c)所示的夹持状态，如上所述，弹性件4依靠自身的弹力将上夹件1的夹持部11移向下夹件2的夹持部21，从而将医用体位保持带固定到手术床侧导轨5上。
在图7(b)所示的打开状态，克服弹性件4的弹力以将上夹件1的夹持部11移离下夹件2的夹持部21，从而将医用体位保持带从手术床侧导轨5释放，并在释放之后便于将医用体位保持带再次固定到手术床侧导轨5上。
较佳的是，上夹件1和下夹件2还可各自设有抵靠部10和抵靠部20。
在图7(a)所示的使用前状态，上夹件1的抵靠部10和下夹件2的抵靠部20依靠弹性件4的弹力彼此抵靠。由于在该使用前状态、上夹件1的抵靠部10和下夹件2的抵靠部20彼此抵靠，可实现以下有益技术效果：可防止上夹件1的夹持部11和下夹件2的夹持部21在该使用前状态因弹性件4的弹力而靠得太近，从而进一步避免使用者在将医用体位保持带固定装置从使用前状态切换至打开状态时需要克服过大的弹力，使医用体位保持带固定装置的夹持更加简易；在不使用医用体位保持带固定装置时，可将医用体位保持带固定装置稳定地保持在使用前状态，使得该医用体位保持带固定装置不容易散架。
当然，也可不额外地设置上夹件1的抵靠部10和下夹件2的抵靠部20，而在该使用前状态直接借助上夹件1的夹持部11和下夹件2的夹持部21进行抵靠，同样也能实现将医用体位保持带固定装置稳定地保持在使用前状态的技术效果，并且这样的医用体位保持带固定装置也能有效地将医用体位保持带固定到手术床侧导轨。在这样的情况下，与额外地设置上夹件1的抵靠部10和下夹件2的抵靠部20的情况相比，使用者在将医用体位保持带固定装置从使用前状态切换至打开状态时需要克服较大的弹力。
虽然图4-7仅仅示出了弹性件4将上夹件1的夹持部11移向下夹件2的夹持部21，但本领域技术人员在本发明的基础上可以理解，当弹性件4设置在上夹件1的弹性件容纳部内时，弹性件4也可将下夹件2的夹持部21移向上夹件1的夹持部11。
上夹件1和下夹件2能围绕一枢轴12相对于彼此枢转。
在一实施例中，如图5所示，枢轴12一体形成于上夹件1，并在下夹件2上设置枢轴围绕部22。当然，本领域技术人员在本发明的基础上可以理解，也可在下夹件2上一体形成枢轴并在上夹件1上设置枢轴围绕部，同样能实现上夹件1和下夹件2围绕枢轴相对于彼此枢转的技术效果。
在如图5所示枢轴12一体形成于上夹件1的情况下，下夹件2设有开槽。较佳的是，该开槽可如图3所示设置在下夹件2的枢轴围绕部22的横向中间位置。如图5所示，限位件31设置该开槽内，以防止上夹件1和下夹件2相对于彼此横向移动。
在另一实施例中，如图8所示，枢轴12’单独形成且穿过上夹件1和下夹件2。枢轴12’的一端设有枢轴帽12”，所述枢轴的另一端连接有固定螺钉(未示出)，以防止上夹件1和下夹件2相对于彼此横向移动。
虽然以上描述了上夹件1和下夹件2能围绕一枢轴12相对于彼此枢转的技术方案，但本领域技术人员在本发明的基础上可以理解，上夹件1和下夹件2也可采用其它连接方案以实现医用体位保持带固定装置的夹持状态和打开状态。例如，上夹件1和下夹件2可采用滑轨连接，在夹持状态，弹性件依靠自身的弹力将上夹件1或下夹件2的夹持部移向下夹件2或上夹件1的夹持部，从而将医用体位保持带固定到手术床侧导轨上，而在打开状态，克服弹性件的弹力以将上夹件1或下夹件2的夹持部移离下夹件2或上夹件1的夹持部，从而将医用体位保持带从手术床侧导轨释放。
弹性件4较佳地是压缩弹簧，如图5所示。压缩弹簧4的一端抵靠下夹件2的弹性件容纳部29的底面，压缩弹簧4的另一端抵靠上夹件1。当然，压缩弹簧4的另一端也可不直接抵靠上夹件1，而是借助滑块6来抵靠上夹件1。
具体地说，本发明一实施例的医用体位保持带固定装置还可包括滑块6，如图5所示，滑块6插设于弹性件4与上夹件1之间且部分地容纳于弹性件容纳部2内。在弹性件4与上夹件1之间插设滑块6具有以下有益技术效果：该滑块通常由耐磨材料(例如塑料)制成，从而能避免弹性件4和上夹件1之间的过度磨损；该滑块与上夹件的接触面积通常比弹性件直接与上夹件的接触面积大，从而能保证弹性件与上夹件之间更稳定的接触并使整个医用体位保持带固定装置更加稳固。
虽然在图5所示的实施例中，弹性件4是压缩弹簧。然而，本领域技术人员在本发明的基础上可以理解，弹性件4也可以是拉伸弹簧、扭转弹簧或片弹簧，甚至是可以实现医用体位保持带固定装置的夹持状态和打开状态的任何其它种类的弹簧或弹性件。
在弹性件4是拉伸弹簧的情况下，该拉伸弹簧的两端分别固定至上夹件1和下夹件2，从而在夹持状态依靠拉伸弹簧的拉伸力将上夹件1和下夹件2各自的夹持部拉向彼此，并在打开状态克服拉伸弹簧的拉伸力使上夹件1和下夹件2各自的夹持部彼此移离。
在弹性件4是扭转弹簧的情况下，该扭转弹簧的两端分别固定至上夹件1和下夹件2，从而在夹持状态依靠扭转弹簧的扭转力将上夹件1和下夹件2各自的夹持部移向彼此，并在打开状态克服扭转弹簧的扭转力使上夹件1和下夹件2各自的夹持部彼此移离。
在弹性件4是片弹簧的情况下(如图8所示)，该片弹簧的一端固定至下夹件2，另一端抵靠上夹件1，从而在夹持状态依靠片弹簧的弹力将上夹件1和下夹件2各自的夹持部移向彼此，并在打开状态克服片弹簧的弹力使上夹件1和下夹件2各自的夹持部彼此移离。
较佳的是，上夹件1和下夹件2是挤压成形的。即，上夹件1和下夹件2可以呈夹块的形式。挤压成形的上夹件和下夹件具有以下有益技术效果：即使上夹件和下夹件的形状和构造复杂，例如形成有转轴、转轴围绕部、夹持部、抵靠部、弹性件容纳部等，也可简单地通过挤压成形，加工时间短，可大批量生产。例如，可先挤压成形出夹件长型材，再将该夹件长型材切割成多个夹件，这就大大提高了夹件生产效率。
当然，本领域技术人员在本发明的基础上可以理解，上夹件1和下夹件2也可采用其它成形方式，例如钣金折弯成形等，但无法实现挤压成形所带来的上述有益技术效果。
较佳的是，下夹件2和上夹件1中的设有弹性件容纳部29的所述一个夹件(例如，图5所示的下夹件2)在其一端(例如，图5所示的下端)设有通气孔30，该通气孔30与弹性件容纳部29连通以便于4弹性件动作。上述通气孔的设置具有以下有益技术效果：例如在图5所示的压缩弹簧的情况下，由于医用体位保持带固定装置反复地打开和夹持，压缩弹簧就被反复地压缩和复位，这样不可避免地会将空气压入弹性件容纳部内导致弹性件容纳部内存在一定的气压，这个气压会妨碍使用者对于医用体位保持带固定装置的正常操作，例如妨碍使用者打开医用体位保持带固定装置，然而，通过设置与弹性件容纳部连通的通气孔，就可排掉多余的空气，使得使用者能够方便地操作(尤其是打开)医用体位保持带固定装置。
较佳的是，保持带联接件3的另一端借助螺杆31’固定至上夹件1，如图5所示。这样，可以方便地调节保持带联接件的偏摆角，从而进一步方便地调节 医用体位保持带的束缚位置和角度。
较佳的是，螺杆31’构成前述限位件31。这样，螺杆31’就可同时具备两个功能：一是将保持带联接件3的另一端可调节地固定至上夹件1；二是防止上夹件1和下夹件2相对于彼此横向移动。因此，可减少医用体位保持带固定装置的部件数量，简化设计。
如图9(a)和9(b)所示，上夹件1在其与保持带联接件3相固定的表面上设有圆弧形台阶部13，从而实现保持带联接件3的最大偏摆角为30°。图9(a)示出了保持带联接件3的最大向左偏摆角为30°。图9(b)示出了保持带联接件3的最大向右偏摆角为30°。当然，为了与上夹件1的圆弧形台阶部13相配合，保持带联接件3的相应端面也应设计成圆弧形，如图9(a)和9(b)所示。
发明人发现，倘若保持带联接件3的最大偏摆角超过30°，则整个医用体位保持带固定装置容易侧滑，从而有可能在手术过程中危及病人的安全。因此，如上所述，上夹件1的圆弧形台阶部13设计成限制保持带联接件3的最大偏摆角为30°。
较佳的是，下夹件2或上夹件1设有凸耳部28，以便于使用者在使用时抓持。例如，参见图6，下夹件2设有凸耳部28。这样，使用者在将医用体位保持带固定到所述手术床侧导轨或调整医用体位保持带的位置时，单手就能实现医用体位保持带固定装置的打开和夹持，使得医用体位保持带固定或调整的过程更加简单、快速。
图10示出了本发明一实施例的医用体位保持带固定装置的力学原理图。当医用体位保持带固定装置固定在位且病人静卧在手术床上时，医用体位保持带的附加张紧力为零，即，医用体位保持带借助保持带联接件3施加至上夹件1的附加力F1为零。一旦有附加张紧力(例如来自病人的无意识动作)作用在医用体位保持带上，则医用体位保持带固定装置的上夹件钩形夹持部11会有附加夹持力施加在手术床侧导轨上，此时上夹件1还会受到来自手术床侧导轨的与该附加夹持力大小相同且方向相反的反作用力F2。如图10所示，枢轴12的支点为O，力F1和力F2的力臂分别为L1和L2，则存在以下关系：F1×L1＝F2×L2。还如图10所示，由于力臂L1是力臂L2的若干倍，因此力 F2是力F1的若干倍。因此，随着所述医用体位保持带的附加张紧力增大，所述上夹件的钩形夹持部施加在所述手术床侧导轨上的附加夹持力成倍地增大。医用体位保持带固定装置的上述设计(主要是上夹件的形状设计)具有以下有益技术效果：即使病人在手术过程中有无意识动作，也能将病人稳固地保持在某一位置；病人的动作越激烈(即，医用体位保持带的附加张紧力越大)，上夹件的钩形夹持部施加在手术床侧导轨上的附加夹持力越大，确保将病人稳固地保持在某一位置；上夹件的钩形夹持部施加在手术床侧导轨上的附加夹持力能将医用体位保持带的附加张紧力成倍地放大，放大倍数为L1/L2，进一步确保将病人稳固地保持在某一位置。
图11(a)和图11(b)示出了本发明另一实施例的医用体位保持带固定装置的剖视图。与图5所示的实施例相比，图11(a)和图11(b)所示的实施例在保持带联接件3和上夹件1之间设置了垫片32，该垫片32用于将保持带联接件3与上夹件1隔开，从而避免在医用体位保持带固定装置的使用过程中保持带联接件3与上夹件1相互摩擦。垫片32较佳地是塑料垫片，当然也可采用其它耐磨材料制成。
此外，如图11(a)和图11(b)所示，由于在保持带联接件3和上夹件1之间设置了垫片32，保持带联接件3获得了一定范围内的左右摆动自由度。图11(a)示出了保持带联接件3摆动至最右极限位置的状态，图11(b)示出了保持带联接件3摆动至最左极限位置的状态。这样，避免了保持带联接件3与上夹件1的绝对联动，只有当保持带联接件3向右摆动至最右极限位置之后，保持带联接件3的进一步右摆才会带动上夹件1的打开，从而使得本发明的医用体位保持带固定装置更加安全。
较佳的是，垫片32至少部分地嵌入上夹件1中的凹槽中，以使垫片32的设置更加稳固。
虽然图11(a)和图11(b)所示的实施例仅仅示出了保持带联接件3固定至上夹件1的情况，但本领域技术人员在本发明的基础上可以理解，在保持带联接件3固定至下夹件2的情况下，垫片32也可设置在保持带联接件3和下夹件2之间。
图12(a)－12(c)示出了本发明另一实施例的医用体位保持带固定装置 的夹持状态剖视图、打开状态剖视图和爆炸装配图。
如图12(a)－12(c)所示，医用体位保持带固定装置包括滑块6’，弹性件4’的一端抵靠或固定至下夹件2，弹性件4’的另一端借助滑块6’抵靠或固定至上夹件1。
图12(a)－12(c)所示的实施例与图11(a)和图11(b)所示的实施例的不同之处在于：在图12(a)－12(c)所示的实施例中，弹性件4’和滑块6’均沿水平方向设置；而在图11(a)和图11(b)所示的实施例中，弹性件4和滑块6均沿竖直方向设置。
较佳的是，滑块6’设有弹性件容纳部29’，弹性件4’至少部分地容纳于弹性件容纳部内29’。
虽然图12(a)－12(c)所示的实施例仅仅示出了弹性件4’和滑块6’均位于下夹件2中的情况，但本领域技术人员在本发明的基础上可以理解，弹性件4’和滑块6’也可位于上夹件1中。
上面结合附图对本发明进行了示例性描述，显然本发明的具体实现并不受上述实施方式的限制。本领域技术人员可在不偏离本发明技术构思的前提下，对本发明作出各种修改或变型，这些修改或变型当然也落入本发明的保护范围之内。

Claims (26)

  1. 一种医用体位保持带固定装置，用于将医用体位保持带固定到手术床侧导轨和从手术床侧导轨释放，其特征在于，所述医用体位保持带固定装置包括上夹件、下夹件和弹性件，所述上夹件或所述下夹件联接至所述医用体位保持带，所述上夹件和所述下夹件分别设有用于夹持所述手术床侧导轨的夹持部，所述弹性件的两端分别抵靠或固定至所述上夹件和所述下夹件，所述医用体位保持带固定装置能呈现夹持状态和打开状态，在所述夹持状态，所述弹性件依靠自身的弹力将所述上夹件的夹持部和所述下夹件的夹持部移向彼此，从而将所述医用体位保持带固定到所述手术床侧导轨上，而在所述打开状态，克服所述弹性件的弹力以将所述上夹件的夹持部和所述下夹件的夹持部移离彼此，从而将所述医用体位保持带从所述手术床侧导轨释放。
  2. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述上夹件或所述下夹件借助保持带联接件联接至所述医用体位保持带，所述保持带联接件的一端固定至所述医用体位保持带，所述保持带联接件的另一端固定至所述上夹件或所述下夹件。
  3. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述弹性件设置在所述上夹件和所述下夹件中的至少一个夹件的弹性件容纳部内。
  4. 如权利要求2所述的医用体位保持带固定装置，其特征在于，所述上夹件和所述下夹件能围绕一枢轴相对于彼此枢转。
  5. 如权利要求4所述的医用体位保持带固定装置，其特征在于，所述枢轴一体形成于所述上夹件或所述下夹件。
  6. 如权利要求5所述的医用体位保持带固定装置，其特征在于，所述下夹件或所述上夹件设有开槽，限位件设置在所述开槽内以防止所述上夹件和所述下夹件相对于彼此横向移动。
  7. 如权利要求4所述的医用体位保持带固定装置，其特征在于，所述枢轴单独形成且穿过所述上夹件和所述下夹件。
  8. 如权利要求7所述的医用体位保持带固定装置，其特征在于，所述枢轴的一端设有枢轴帽，所述枢轴的另一端连接有固定螺钉，以防止所述上夹件和 所述下夹件相对于彼此横向移动。
  9. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述弹性件是压缩弹簧。
  10. 如权利要求3所述的医用体位保持带固定装置，其特征在于，所述弹性件的一端抵靠所述至少一个夹件的所述弹性件容纳部的底面，所述弹性件的另一端抵靠所述上夹件和所述下夹件中的至少另一个夹件。
  11. 如权利要求3所述的医用体位保持带固定装置，其特征在于，所述医用体位保持带固定装置还包括滑块，所述滑块插设于所述弹性件与所述上夹件和所述下夹件中的至少另一个夹件之间且部分地容纳于所述弹性件容纳部内。
  12. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述弹性件是拉伸弹簧、扭转弹簧或片弹簧。
  13. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述上夹件和所述下夹件是挤压成形的。
  14. 如权利要求3所述的医用体位保持带固定装置，其特征在于，所述下夹件和所述上夹件中的设有所述弹性件容纳部的所述至少一个夹件在其一端设有通气孔，所述通气孔与所述弹性件容纳部连通以便于所述弹性件动作。
  15. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述医用体位保持带固定装置还能呈现使用前状态，在所述使用前状态，所述上夹件的抵靠部和所述下夹件的抵靠部依靠所述弹性件的弹力彼此抵靠。
  16. 如权利要求2所述的医用体位保持带固定装置，其特征在于，所述保持带联接件的所述另一端借助螺杆固定至所述上夹件。
  17. 如权利要求6所述的医用体位保持带固定装置，其特征在于，所述保持带联接件的所述另一端借助螺杆固定至所述上夹件，且所述螺杆构成所述限位件。
  18. 如权利要求2所述的医用体位保持带固定装置，其特征在于，所述上夹件在其与所述保持带联接件相固定的表面上设有圆弧形台阶部，从而实现所述保持带联接件的最大偏摆角为30°。
  19. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述下夹件或所述上夹件设有凸耳部，以便于使用者在使用时抓持。
  20. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述夹持部是钩形夹持部。
  21. 如权利要求20所述的医用体位保持带固定装置，其特征在于，所述上夹件的形状设计成：随着所述医用体位保持带的附加张紧力增大，所述上夹件的钩形夹持部施加在所述手术床侧导轨上的附加夹持力成倍地增大。
  22. 如权利要求2所述的医用体位保持带固定装置，其特征在于，所述医用体位保持带固定装置还包括垫片，所述垫片设置在所述保持带联接件和所述上夹件或所述下夹件之间。
  23. 如权利要求1所述的医用体位保持带固定装置，其特征在于，所述医用体位保持带固定装置还包括滑块，所述弹性件的一端抵靠或固定至所述上夹件和所述下夹件中的至少一个夹件，所述弹性件的另一端借助所述滑块抵靠或固定至所述上夹件和所述下夹件中的至少另一个夹件。
  24. 如权利要求23所述的医用体位保持带固定装置，其特征在于，所述弹性件和所述滑块均沿水平方向设置。
  25. 如权利要求23所述的医用体位保持带固定装置，其特征在于，所述弹性件和所述滑块均沿竖直方向设置。
  26. 如权利要求23所述的医用体位保持带固定装置，其特征在于，所述滑块设有弹性件容纳部，所述弹性件至少部分地容纳于所述弹性件容纳部内。
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CN103300992A (zh) * 2013-07-02 2013-09-18 迈柯唯医疗设备(苏州)有限公司 快速夹持与释放的夹紧力放大机构
CN103315872A (zh) * 2013-07-02 2013-09-25 迈柯唯医疗设备(苏州)有限公司 无轴快速夹持与释放的夹紧力放大机构
CN103315874A (zh) * 2013-07-02 2013-09-25 迈柯唯医疗设备(苏州)有限公司 快速夹持与释放的夹紧力放大机构
CN103536421A (zh) * 2013-10-18 2014-01-29 迈柯唯医疗设备(苏州)有限公司 医用体位保持带固定装置
CN203591416U (zh) * 2013-10-18 2014-05-14 迈柯唯医疗设备(苏州)有限公司 医用体位保持带固定装置

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US20160235579A1 (en) 2016-08-18
SG11201603020UA (en) 2016-05-30
EP3058924A1 (en) 2016-08-24
EP3058924A4 (en) 2017-07-12
EP3058924B1 (en) 2019-02-20
JP6284631B2 (ja) 2018-02-28
MY171632A (en) 2019-10-22
JP2016533233A (ja) 2016-10-27
CN103536421A (zh) 2014-01-29
US10786386B2 (en) 2020-09-29

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