CN111803251B - Full-open type constant force receiving cavity - Google Patents
Full-open type constant force receiving cavity Download PDFInfo
- Publication number
- CN111803251B CN111803251B CN202010480217.2A CN202010480217A CN111803251B CN 111803251 B CN111803251 B CN 111803251B CN 202010480217 A CN202010480217 A CN 202010480217A CN 111803251 B CN111803251 B CN 111803251B
- Authority
- CN
- China
- Prior art keywords
- support bar
- inner frame
- frame support
- fixing plate
- outer frame
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Images
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
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/50—Prostheses not implantable in the body
- A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
- A61F2/80—Sockets, e.g. of suction type
Abstract
The invention relates to a full-open type constant force receiving cavity which comprises an outer frame (1), an inner frame (2) arranged inside the outer frame (1), a plurality of transverse connection fixing components connected with the outer frame (1) and the inner frame (2) and a plurality of constant force mechanisms (3) arranged on the inner frame (2), wherein the outer frame (1), the inner frame (2) and the transverse connection fixing components form a cavity body in a surrounding mode, the outer frame (1) comprises an outer frame base (101) and a plurality of outer frame supporting bars longitudinally arranged on the outer frame base (101), the inner frame (2) comprises an inner frame base (201) and a plurality of inner frame supporting bars longitudinally arranged on the inner frame base (201), the positions of the inner frame base (201) and the positions of the outer frame base (101) are corresponding, and the positions of the outer frame supporting bars and the inner frame supporting bars are corresponding. Compared with the prior art, the invention ensures the accuracy of force and motion transmission when in use, improves the comfort level and has controllable function.
Description
Technical Field
The invention relates to the field of medical rehabilitation instruments, in particular to a fully-open constant-force accepting cavity.
Background
According to the results of the sixth national general survey and the second national disabled person sampling survey, the total number of various disabled persons in China is about 8502 ten thousand at present, wherein 2472 ten thousand of disabled patients with limbs are particularly prominent, and lower limb amputation patients are particularly prominent. Lower limb dysfunction seriously hinders one's ability to stand, walk or run, causing great damage to one's body, psychosocial and economic aspects. There is therefore a need to provide an adaptive constant force socket to compensate for patient upset and lost residual limb and help the patient better experience normal life.
At present, similar constant-force accepting cavities with controllable functions do not appear in the field of domestic rehabilitation. Of Otto bock abroad
The vacuum suspension receiving cavity adopts a vacuum structure, so that the contact interface of the residual limb and the receiving cavity is in a negative pressure state, and the suspension property can be improved to a certain extent. It not only requires the socket to be fully contact and have a good fit, but it also requiresThe interface to be sealed; revoFit TM The socket system is manufactured by Click Medical and is a mechanically adjustable socket that uses a tension dial and a ratchet belt, respectively, to allow the user to control how tight the socket is connected. However, such an operation also has significant drawbacks: due to the change of the volume of the residual limb, the patient needs to adjust the compression force on the residual limb continuously to adapt.
Disclosure of Invention
The invention aims to solve the problems and provide a full-open type constant force receiving cavity which can ensure the accuracy of force and motion transmission in the using process, improve the wearing comfort of a patient and has a controllable function.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a full open type constant force accepting chamber, the accepting chamber includes outer frame, locates the inside internal frame of outer frame, a plurality of and outer frame and internal frame connection's transverse connection fixed subassembly and a plurality of constant force mechanism on locating the inner wall of internal frame, outer frame, internal frame and transverse connection fixed subassembly enclose to become the cavity that is used for holding the residual limb, outer frame includes outer frame base and vertically locates a plurality of outer frame support bars on the outer frame base, the internal frame includes the internal frame base and vertically locates a plurality of internal frame support bars on the internal frame base, internal frame base and outer frame base position are corresponding, the position of external frame support bar and internal frame support bar is corresponding. The cavity is used for containing and suspending the residual limb, and the outer frame supporting strip and the inner frame supporting strip are arranged along the longitudinal direction of the residual limb. Both the outer frame and the inner frame are open. The outer frame is a hard structure, has a certain supporting and fixing effect, and can be made of carbon fiber and other materials; the inner frame is of a semi-flexible structure, has a certain fixing effect, and can achieve the effect of comfort.
Further, constant force mechanism includes the casing and all locates interior fixed plate, outer fixed plate, the piece and the adjusting part that reset in the casing, interior fixed plate and outer fixed plate parallel arrangement are equipped with the space that holds the piece and the adjusting part that reset between the two, the piece that resets is connected with interior fixed plate and outer fixed plate respectively. The constant force mechanism comprises four groups of constant force mechanisms, the constant force mechanisms are uniformly attached to inner frame support bars of an inner frame along the circumferential direction, the shells are adhered to the inner frame support bars, the shell positioned on one side of a residual limb is in contact with the residual limb, the side surface in contact with the residual limb and the side surface attached to the inner frame support bars are made of rigid materials, the other two side surfaces are made of flexible materials and are convenient to compress, the reset piece is made of memory alloy or a constant force spring, the memory alloy is made of NiTi shape memory alloy, the NiTi shape memory alloy has superelasticity mechanical property and can realize constant force loading on the residual limb, the problem of safety and comfort of the receiving cavity is solved, when the whole constant force mechanism is compressed or expanded, the reset piece can be compressed or expanded to generate deformation, and when the condition of compression or expansion disappears, the deformation of the reset piece returns to the original state. The inner fixing plate and the outer fixing plate are opposite to each other, paired inner fixing plate bosses are arranged on the surface of the inner fixing plate and the surface of the outer fixing plate opposite to the inner fixing plate along the length direction of the inner fixing plate, a plurality of inner fixing plate placing grooves used for placing reset pieces are formed in the inner fixing plate bosses, paired outer fixing plate bosses are arranged on the surface of the outer fixing plate opposite to the inner fixing plate along the length direction of the outer fixing plate, a plurality of outer fixing plate placing grooves used for placing reset pieces are formed in the outer fixing plate bosses, the positions of the inner fixing plate placing grooves and the positions of the outer fixing plate placing grooves correspond to each other, the memory alloy is very thin and can be directly inserted into the inner fixing plate placing grooves and the outer fixing plate placing grooves, and the end portions of the constant force springs can also be set to be very thin and are directly inserted into the inner fixing plate placing grooves and the outer fixing plate placing grooves.
Further, adjusting part includes first nut, second nut and adjusting bolt, first nut is located on the inner fixed plate, the second nut is located on the outer fixed plate, first nut and second nut are just to setting up, be equipped with the through-hole that supplies adjusting bolt to remove on the outer fixed plate, the position of through-hole, second nut and first nut is corresponding, adjusting bolt pass through-hole and second nut in proper order and with first nut swing joint, first nut and inner fixed plate integrated into one piece, second nut and outer fixed plate integrated into one piece. The adjusting bolt comprises a head part and a thread part, the head part is positioned on the outer side of the outer fixing plate, and the distance between the inner fixing plate and the outer fixing plate is adjusted by screwing in and out the adjusting bolt. The first nut limits the longitudinal movement of the adjusting bolt, and the second nut limits the longitudinal movement and the transverse movement of the adjusting bolt, so that a user can adjust the transverse displacement of the constant force mechanism by rotating the adjusting bolt. When the residual limb is inflated, the lateral displacement of the constant force mechanism is shortened by rotating the adjustment bolt inwards, and vice versa. Thus, a constant comfortable force can be provided for the residual limb, a certain pre-compression is carried out, the longitudinal suspension of the receiving cavity part is ensured, and the receiving cavity can also be changed along with the residual limb.
Further, the lateral part of interior fixed plate is equipped with a plurality of interior fixed plate engaging lugs, the lateral part of outer fixed plate is equipped with a plurality of outer fixed plate engaging lugs with interior fixed plate engaging lug matched with, be equipped with the spacing groove on the interior fixed plate engaging lug, be equipped with the spacer pin on the outer fixed plate engaging lug, be used for restricting interior fixed plate, outer fixed plate, niTi shape memory alloy or constant force spring horizontal migration's distance.
Furthermore, a magic tape is arranged on the shell positioned on one side of the stump. The magic tape has the function of increasing friction force, and the friction force is increased by matching with the inner lining sleeve sleeved on the stump, so that the suspension property of the receiving cavity is ensured to a certain extent.
Further, the fixed subassembly of transverse connection includes a plurality of connecting pieces and a plurality of first taut band, the taut band of second and the fixed band that all transversely sets up, the tip of first taut band passes through the connecting piece and is connected with outer frame support bar or inner frame support bar, the tip of the taut band of second passes through the connecting piece and is connected with outer frame support bar or inner frame support bar, be equipped with a plurality of openings along length direction in proper order on the first taut band, the taut band of second passes the opening and is connected with first taut band is adjustable, the both ends of fixed band all are through the connecting piece with outer frame support bar or inner frame support bar connection. The fixed subassembly of transverse connection is used for connecting outer frame support bar and outer frame support bar, and outer frame support bar and inner frame support bar, outer frame support bar and inner frame support bar play the effect of artificial limb accepting cavity transverse fixation, and the user is dressed or lift off the accepting cavity through the length of adjusting the taut band of second and being located first taut band, specifically is: when the user wants to wear the accepting cavity, the user only needs to loosen the second tightening belt first and tighten the second tightening belt to a proper position after wearing the accepting cavity; when the user wants to remove the socket, the user only needs to loosen the second tightening belt, and the operation is extremely simple and convenient.
Further, outer frame support bar includes first outer frame support bar and second outer frame support bar, first outer frame support bar and second outer frame support bar set up relatively, the inner frame support bar includes first inner frame support bar, second inner frame support bar, third inner frame support bar and fourth inner frame support bar, first inner frame support bar and third inner frame support bar set up relatively, second inner frame support bar and fourth inner frame support bar set up relatively, first outer frame support bar can dismantle the connection with first inner frame support bar, second outer frame support bar can dismantle the connection with third inner frame support bar. The first outer frame supporting strip and the second outer frame supporting strip are longitudinally distributed in the left direction and the right direction of the residual limb, and the first inner frame supporting strip, the second inner frame supporting strip, the third inner frame supporting strip and the fourth inner frame supporting strip are longitudinally distributed in the front, back, left direction and right direction of the residual limb.
Further, the axial length of first inner frame support bar, third inner frame support bar and fourth inner frame support bar all is greater than the axial length of second inner frame support bar, the axial length of first outer frame support bar and second outer frame support bar all is greater than the axial length of second inner frame support bar. The second inner frame support bar is shorter.
Further, the accepting cavity also comprises a flexible lining sleeve which is arranged at the top end of the inner frame supporting strip. The flexible liner is sufficiently strong and resilient to allow even distribution of pressure over the surface of the flexible liner, and sufficiently supportive to support distribution of at least a portion of the pressure over the surface of the user remote from the spine or other weight support member, with substantial relief of pressure carried by the ischial region.
Further, outer frame base and outer frame support bar integrated into one piece, connection can be dismantled through the bolt to inner frame base and inner frame support bar. Therefore, the length of the inner frame can be adjusted according to the length of the residual limb, and the device is convenient and quick.
Furthermore, the outer frame is made of carbon fiber materials and plays a role in supporting, the overall weight of the receiving cavity can be reduced due to the structural design, and the function transmission of the receiving cavity is guaranteed.
Compared with the prior art, the invention has the following advantages:
1. traditional thigh accepting chamber is overturned through the modular design, alleviates the weight of thigh accepting chamber, and is more humanized, makes things convenient for the patient to dress.
2. The constant force mechanism is designed by utilizing the special mechanical property that NiTi shape memory alloy has super elasticity and the elastic mechanical property of the constant force spring, so that the constant force loading of the residual limb is realized, and the problem of safety and comfort of the thigh receiving cavity is solved.
3. The compression state of the constant force mechanism is driven through the bolt, and no matter how the residual limb changes, the patient can adjust the rotating bolt, so that the state of the constant force mechanism is driven to change correspondingly until the residual limb feels comfortable, the condition that the residual limb is stressed too much or too small is relieved, and the residual limb can be subjected to a comfortable constant force under any condition.
4. The magic tape is matched with the inner lining sleeve sleeved on the residual limb, so that the friction force is increased, and the suspension property of the receiving cavity is ensured to a certain extent.
5. The invention provides a controllable full-open type constant force receiving cavity, which improves the biocompatibility, namely ensures the accuracy of force and motion transmission in the use process and further improves the wearing comfort of a patient.
Drawings
FIGS. 1-2 are schematic diagrams of different angles of a fully open constant force socket;
FIG. 3 is a schematic structural diagram of an outer frame;
FIGS. 4-5 are schematic views of different angles of the inner frame;
FIG. 6 is a front view of the constant force mechanism;
FIG. 7 is an isometric view of a constant force mechanism;
fig. 8 is a top view of the constant force mechanism.
In the figure: 1-an outer frame; 101-an outer frame base; 102-a first outer frame support bar; 103-second outer frame support bars; 2-an inner frame; 201-inner frame base; 202-first inner frame support bar; 203-second inner frame support bars; 204-third inner frame support bar; 205-fourth inner frame support bars; 3-a constant force mechanism; 301-inner fixing plate; 302-outer fixing plate; 303-a reset piece; 304-a first nut; 305-a second nut; 306-adjusting bolts; 307-inner fixing plate connecting lug; 308-outer fixing plate connecting lug; 309-a limiting groove; 310-a spacing pin; 311-inner fixing plate boss; 312-outer fixation plate boss; 4-a connector; 501-a first tightening strap a; 502-first tightening strap B; 601-a second tightening strap a; 602-second tightening strap B; 701-fixing the belt A; 702-securing strap B; 703-fixing the belt C; 704-securing strap D; 705-fixing band E; 706-fixing band F; 707-fixing band G; 8-a flexible liner; 9-magic tape.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
As shown in fig. 1 and 2, a full open type constant force receiving cavity comprises an outer frame 1, an inner frame 2 arranged inside the outer frame 1, a plurality of transverse connection fixing components connected with the outer frame 1 and the inner frame 2, and a plurality of constant force mechanisms 3 arranged on the inner wall of the inner frame 2, wherein the outer frame 1, the inner frame 2 and the transverse connection fixing components enclose a cavity for accommodating residual limbs, and fig. 2 is a schematic structural diagram that fig. 1 rotates by 90 degrees.
As shown in fig. 3, outer frame 1 includes outer frame base 101 and vertically locates a plurality of outer frame support bars on outer frame base 101, and outer frame support bar includes first outer frame support bar 102 and second outer frame support bar 103, and first outer frame support bar 102 and second outer frame support bar 103 set up relatively, first outer frame support bar 102, second outer frame support bar 103 and outer frame base 101 integrated into one piece, set up a plurality of through-holes that are used for fixed connector 4 according to the circumstances on first outer frame support bar 102 and the second outer frame support bar 103.
As shown in fig. 4 and 5, inner frame 2 includes inner frame base 201 and a plurality of inner frame support bars provided longitudinally on inner frame base 201, the inner frame support bars include first inner frame support bar 202, second inner frame support bar 203, third inner frame support bar 204 and fourth inner frame support bar 205, first inner frame support bar 202 and third inner frame support bar 204 are disposed relatively, second inner frame support bar 203 and fourth inner frame support bar 205 are disposed relatively, inner frame base 201, first inner frame support bar 202, second inner frame support bar 203, third inner frame support bar 204 and fourth inner frame support bar 205 are detachably connected by bolts, first inner frame support bar 202, second inner frame support bar 203, third inner frame support bar 204 and fourth inner frame support bar 205 are provided with a plurality of through holes for fixing connection member 4 and flexible bush 8 according to circumstances.
As shown in fig. 1 and 2, inner frame base 201 is placed on outer frame base 101, first outer frame support bar 102 and first inner frame support bar 202 are detachably connected through bolts, second outer frame support bar 103 and third inner frame support bar 204 are detachably connected through bolts, first inner frame support bar 202, the axial length of third inner frame support bar 204 and fourth inner frame support bar 205 is greater than the axial length of second inner frame support bar 203, and the axial length of first outer frame support bar 102 and second outer frame support bar 103 is greater than the axial length of second inner frame support bar 203.
As shown in fig. 1 and 2, the transverse connection fixing component includes a plurality of connecting members 4 and a plurality of first tightening straps (including a first tightening strap a501, a first tightening strap B502), a second tightening strap (including a second tightening strap a601, a second tightening strap B602) and fixing straps (including a fixing strap a701, a fixing strap B702, a fixing strap C703, a fixing strap D704, a fixing strap E705, a fixing strap F706 and a fixing strap G707) which are all transversely arranged, the ends of the first tightening strap a501 and the first tightening strap B502 are respectively connected with the outer frame support bar or the inner frame support bar through the connecting members 4, the ends of the second tightening strap a601 and the second tightening strap B602 are respectively connected with the outer frame support bar or the inner frame support bar through the connecting members 4, the fixing strap a701, the fixing strap B702, the fixing strap C703, the fixing strap D704, the fixing strap E705, the fixing strap F706 and the fixing strap G707 are respectively connected with the outer frame support bar or the inner frame support bar through the connecting members 4, a plurality of openings are sequentially arranged on the first tightening strap a501 along the length direction, the second tightening strap a plurality of openings are sequentially arranged on the first tightening strap a first tightening strap 501, and a plurality of adjustable tightening strap 502B are arranged on the adjustable tightening strap 502. The end part of the first tensioning belt A501 positioned at the top end of the receiving cavity is connected with the second outer frame supporting bar 103, the end part of the second tensioning belt A601 positioned at the top end of the receiving cavity is connected with the first outer frame supporting bar 102, and the first tensioning belt A501 and the second tensioning belt A601 positioned at the top end of the receiving cavity form a semicircle; the one end that lies in fixed band A701 on accepting the chamber top is connected with second outer frame support bar 103, the other end is connected with fourth inner frame support bar 205, form 1/4 circle, the one end and the second outer frame support bar 103 of fixed band B702 are connected, the other end is connected with first outer frame support bar 102, form 1/2 circle (fixed band B702 in fig. 1 is sheltered from by flexible bush 8), the one end and the fourth inner frame support bar 205 of fixed band C703 are connected, the other end is connected with first outer frame support bar 102, form 1/4 circle (fig. 1, 2 looks relatively). The end part of the first tensioning belt B502 positioned at the bottom end of the accepting cavity is connected with the second inner frame supporting bar 203, the end part of the second tensioning belt B602 positioned at the bottom end of the accepting cavity is connected with the first outer frame supporting bar 102, and the first tensioning belt B502 and the second tensioning belt B602 positioned at the bottom end of the accepting cavity form a 1/4 circle; one end of a fixing band D704 positioned at the bottom end of the receiving cavity is connected with the second outer frame supporting strip 103, and the other end is connected with the second inner frame supporting strip 203 to form a 1/4 circle; one end of a fixing band E705 positioned at the bottom end of the receiving cavity is connected with the second outer frame supporting bar 103, and the other end is connected with the fourth inner frame supporting bar 205 to form a 1/4 circle; one end of a fixing band G707 positioned at the bottom end of the accepting cavity is connected with the fourth inner frame supporting bar 205, and the other end is connected with the first outer frame supporting bar 102 to form a 1/4 circle; the securing strap F706 at the bottom end of the socket is also located below the securing strap D704, and one end of the securing strap F706 is connected to the second outer frame support bar 103 and the other end is connected to the second inner frame support bar 203 to form a 1/4 circle (see fig. 1 and 2 in contrast). The number of the first tightening strap, the second tightening strap and the fixing strap can be set according to the circumstances, and is not limited to the number and the position in the present invention, and the connecting member 4 can be a bolt or a screw.
As shown in fig. 1 and 2, the receiving cavity further comprises a flexible bushing 8, the flexible bushing 8 is arranged at the top end of the inner frame support bar and is connected with the first inner frame support bar 202, the fourth inner frame support bar 205 and the third inner frame support bar 204 in sequence.
As shown in fig. 6-8, the constant force mechanism 3 includes a housing (the housing is omitted in fig. 6-8, and can be seen in fig. 1 and 2), an inner fixing plate 301, an outer fixing plate 302, a restoring member 303 (which can be made of NiTi shape memory alloy and a constant force spring) and an adjusting component, which are all disposed in the housing, the housing and the inner frame support bar are adhered, the housing on one side of the stump is in contact with the stump, the side in contact with the stump and the side in contact with the inner frame support bar are made of rigid materials, the other two sides are made of flexible materials, the inner fixing plate 301 and the outer fixing plate 302 are disposed in parallel, a gap for accommodating the restoring member 303 and the adjusting component is disposed between the inner fixing plate 301 and the outer fixing plate 302, the restoring member is respectively connected with the inner fixing plate 301 and the outer fixing plate 302, and a magic tape 9 is disposed on the housing on one side of the stump, as shown in fig. 1 and 2. The opposite surfaces of the inner fixing plate 301 and the outer fixing plate 302 are provided with paired inner fixing plate bosses 311 along the length direction of the inner fixing plate 301, the inner fixing plate bosses 311 are provided with a plurality of inner fixing plate placing grooves (omitted in the figure) for placing the resetting element 303, the opposite surfaces of the outer fixing plate 302 and the inner fixing plate 301 are provided with paired outer fixing plate bosses 312 along the length direction of the outer fixing plate 302, the outer fixing plate bosses 312 are provided with a plurality of outer fixing plate placing grooves (omitted in the figure) for placing the resetting element 303, the positions of the inner fixing plate placing grooves correspond to the positions of the outer fixing plate placing grooves, the inner fixing plate bosses 311 and the outer fixing plate bosses 312 can be respectively formed integrally with the inner fixing plate 301 and the outer fixing plate 302, or can be semi-cylindrical bolt posts, and are respectively fixed on the inner fixing plate 301 and the outer fixing plate 302, as shown in fig. 7 and 8. The adjusting assembly includes a first nut 304 integrally formed with the inner fixing plate 301, a second nut 305 integrally formed with the outer fixing plate 302, and an adjusting bolt 306, the first nut 304 is disposed on the inner fixing plate 301, the second nut 305 is disposed on the outer fixing plate 302, the first nut 304 and the second nut 305 are disposed opposite to each other, inner walls of the first nut 304 and the second nut 305 are both provided with threads, the outer fixing plate 302 is provided with a through hole for the adjusting bolt 306 to move, positions of the through hole and the second nut 305 correspond to positions of the first nut 304, the adjusting bolt 306 sequentially passes through the through hole and the second nut 305 and is movably connected with the first nut 304, the adjusting bolt 306 includes a head portion and a thread portion, the head portion is located outside the outer fixing plate 302, and the distance between the inner fixing plate 301 and the outer fixing plate 302 is adjusted by screwing in and out of the adjusting bolt 306, as shown in fig. 8 in particular, a slot for the adjusting bolt 306 to move is disposed on a side surface of the housing attached to the inner frame support bar, and the inner frame support bar and the outer frame support bar, as shown in fig. 3-5. The lateral portion of inner fixing plate 301 is provided with a plurality of inner fixing plate engaging lugs 307 arranged towards outer fixing plate 302, the lateral portion of outer fixing plate 302 is provided with a plurality of outer fixing plate engaging lugs 308 matched with inner fixing plate engaging lugs 307 and arranged towards inner fixing plate 301, inner fixing plate engaging lugs 307 are arranged along a circle of the periphery of inner fixing plate 301, outer fixing plate engaging lugs 308 are arranged along a circle of the periphery of outer fixing plate 302, outer fixing plate engaging lugs 308 are located at the inner side of inner fixing plate engaging lugs 307, inner fixing plate engaging lugs 307 and outer fixing plate engaging lugs 308 are both located in a gap between inner fixing plate 301 and outer fixing plate 302, fixing plate engaging lugs 307 are provided with penetrating limiting grooves 309, outer fixing plate engaging lugs 308 are provided with limiting pins 310, and limiting pins 310 are inserted into limiting grooves 309 and horizontally move in limiting grooves 309, as shown in fig. 7 and 8. The constant force mechanisms 3 are four groups in total and are uniformly attached to the inner frame support bars of the inner frame 2 along the circumferential direction.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a full open type constant force accepting chamber, a serial communication port, the accepting chamber includes outer frame (1), locates outer frame (1) inside inner frame (2), a plurality of transverse connection fixed subassembly and the inner frame (2) be connected and constant force mechanism (3) on the inner wall of inner frame (2) are located to a plurality of, outer frame (1), inner frame (2) and transverse connection fixed subassembly enclose into the cavity that is used for holding the residual limb, outer frame (1) includes outer frame base (101) and vertically locates a plurality of outer frame support bars on outer frame base (101), inner frame (2) include inner frame base (201) and vertically locate a plurality of inner frame support bars on inner frame base (201), inner frame base (201) and outer frame base (101) position are corresponding, the position of outer frame support bar and inner frame support bar is corresponding;
the constant force mechanism (3) comprises a shell, an inner fixing plate (301), an outer fixing plate (302), a resetting piece (303) and an adjusting assembly, wherein the inner fixing plate (301) and the outer fixing plate (302) are arranged in the shell in parallel, a gap for accommodating the resetting piece (303) and the adjusting assembly is arranged between the inner fixing plate (301) and the outer fixing plate (302), and the resetting piece (303) is connected with the inner fixing plate (301) and the outer fixing plate (302) respectively; the reset piece adopts memory alloy or a constant force spring;
the adjusting component comprises a first nut (304), a second nut (305) and an adjusting bolt (306), the first nut (304) is arranged on the inner fixing plate (301), the second nut (305) is arranged on the outer fixing plate (302), the first nut (304) and the second nut (305) are arranged right, a through hole matched with the second nut (305) is formed in the outer fixing plate (302), and the adjusting bolt (306) sequentially penetrates through the through hole and the second nut (305) and is movably connected with the first nut (304).
2. The fully-open constant-force receiving cavity according to claim 1, wherein a plurality of inner fixing plate connecting lugs (307) are arranged on the side portion of the inner fixing plate (301), a plurality of outer fixing plate connecting lugs (308) matched with the inner fixing plate connecting lugs (307) are arranged on the side portion of the outer fixing plate (302), a limiting groove (309) is formed in each inner fixing plate connecting lug (307), and a limiting pin (310) is arranged on each outer fixing plate connecting lug (308).
3. The fully open constant force socket according to claim 1, wherein a magic tape (9) is provided on the case on the stump side.
4. The fully-open type constant-force receiving cavity according to claim 1, wherein the transverse connection fixing component comprises a plurality of connecting pieces (4), a plurality of first tightening straps, a plurality of second tightening straps and a plurality of fixing straps, the first tightening straps, the second tightening straps and the fixing straps are transversely arranged, the end portions of the first tightening straps are connected with the outer frame supporting bar or the inner frame supporting bar through the connecting pieces (4), the end portions of the second tightening straps are connected with the outer frame supporting bar or the inner frame supporting bar through the connecting pieces (4), the end portions of the fixing straps are connected with the outer frame supporting bar or the inner frame supporting bar through the connecting pieces (4), a plurality of openings are sequentially formed in the first tightening straps in the length direction, and the second tightening straps penetrate through the openings and are adjustably connected with the first tightening straps.
5. The utility model relates to a full open type constant force accepting cavity of claim 1, characterized in that, outer frame support bar includes first outer frame support bar (102) and second outer frame support bar (103), first outer frame support bar (102) and second outer frame support bar (103) set up relatively, inner frame support bar includes first inner frame support bar (202), second inner frame support bar (203), third inner frame support bar (204) and fourth inner frame support bar (205), first inner frame support bar (202) and third inner frame support bar (204) set up relatively, second inner frame support bar (203) and fourth inner frame support bar (205) set up relatively, first outer frame support bar (102) can dismantle with first inner frame support bar (202) and be connected, second outer frame support bar (103) can dismantle with third inner frame support bar (204) and be connected.
6. The fully open constant force socket according to claim 5, wherein the axial lengths of the first inner frame support bar (202), the third inner frame support bar (204) and the fourth inner frame support bar (205) are all greater than the axial length of the second inner frame support bar (203), and the axial lengths of the first outer frame support bar (102) and the second outer frame support bar (103) are all greater than the axial length of the second inner frame support bar (203).
7. A fully open constant force socket according to any of claims 1 to 6, further comprising a flexible liner (8), said flexible liner (8) being provided at the top end of the inner frame support strip.
8. The fully open constant force socket according to any one of claims 1 to 6, wherein the outer frame base (101) and the outer frame support bars are integrally formed, and the inner frame base (201) and the inner frame support bars are detachably connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480217.2A CN111803251B (en) | 2020-05-30 | 2020-05-30 | Full-open type constant force receiving cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480217.2A CN111803251B (en) | 2020-05-30 | 2020-05-30 | Full-open type constant force receiving cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111803251A CN111803251A (en) | 2020-10-23 |
| CN111803251B true CN111803251B (en) | 2023-02-10 |
Family
ID=72847853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010480217.2A Active CN111803251B (en) | 2020-05-30 | 2020-05-30 | Full-open type constant force receiving cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111803251B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113855348B (en) * | 2021-09-30 | 2024-01-26 | 上海理工大学 | Controllable fully-opened constant force receiving cavity for upper limb prosthesis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083955A (en) * | 2004-12-22 | 2007-12-05 | 奥佩特股份公司 | Prosthetic device |
| CN101541267A (en) * | 2006-09-29 | 2009-09-23 | 奥托·博克保健有限公司 | Prosthesis comprising a shank for accommodating an amputation stump |
| CN104053416A (en) * | 2011-11-12 | 2014-09-17 | 利姆创新股份有限公司 | Modular prosthetic sockets and methods for making same |
| CN104884005A (en) * | 2012-10-31 | 2015-09-02 | 兰达尔.阿里 | Adaptable socket system, method, and kit |
| CN209827114U (en) * | 2019-03-14 | 2019-12-24 | 伊贝欧力假肢矫形器技术(漳州)有限公司 | Artificial leg accepting cavity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014153244A1 (en) * | 2013-03-14 | 2014-09-25 | Lim Innovations, Inc. | Modular prosthetic sockets and methods for making and using same |
| EP2967924A4 (en) * | 2013-03-15 | 2016-10-05 | Epoch Medical Innovations Inc | Adaptive compression prosthetic socket system and method |
| US10206795B2 (en) * | 2015-07-27 | 2019-02-19 | Lim Innovations, Inc. | Prosthetic support socket for an osseointegrated femoral abutment |
| CA3076238A1 (en) * | 2017-10-11 | 2019-04-18 | Robert Brown | A flexible multi use post operative prosthetic socket system |
-
2020
- 2020-05-30 CN CN202010480217.2A patent/CN111803251B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083955A (en) * | 2004-12-22 | 2007-12-05 | 奥佩特股份公司 | Prosthetic device |
| CN101541267A (en) * | 2006-09-29 | 2009-09-23 | 奥托·博克保健有限公司 | Prosthesis comprising a shank for accommodating an amputation stump |
| CN104053416A (en) * | 2011-11-12 | 2014-09-17 | 利姆创新股份有限公司 | Modular prosthetic sockets and methods for making same |
| CN104884005A (en) * | 2012-10-31 | 2015-09-02 | 兰达尔.阿里 | Adaptable socket system, method, and kit |
| CN209827114U (en) * | 2019-03-14 | 2019-12-24 | 伊贝欧力假肢矫形器技术(漳州)有限公司 | Artificial leg accepting cavity |
Non-Patent Citations (1)
| Title |
|---|
| 可变式假肢接受腔的负刚度挤压腔体单元设计原理;甘云 等;《上海交通大学学报》;20140228;第48卷(第2期);第187-192页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111803251A (en) | 2020-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018098848A1 (en) | Exoskeleton apparatus for reducing loads of lower limb joints and measuring supporting force | |
| CN101069666B (en) | Joint orthosis | |
| CN111803251B (en) | Full-open type constant force receiving cavity | |
| US4964628A (en) | Hip-reciprocating apparatus | |
| CN112190379B (en) | Composite material joint injury supporting instrument | |
| CN108670530B (en) | A kind of clinical fixed device in medical treatment orthopaedics ward | |
| CN111920644B (en) | Wearable lower limb exoskeleton rehabilitation robot | |
| CN109106551A (en) | A kind of dental examination support device of strong applicability | |
| CN111249043B (en) | Controllable semi-open type constant force receiving cavity for lower limb artificial limb | |
| US20210212844A1 (en) | Disarticulated Compression Socket | |
| CN111805512B (en) | Knee joint exoskeleton | |
| US20190388250A1 (en) | Disarticulated Compression Socket | |
| CN209059741U (en) | Wheel-chair type bed is with leaning against support device | |
| CN218659060U (en) | Passive knee joint flexible power assisting device | |
| CN218899831U (en) | Foot artificial limb bearing cylinder | |
| CN209220596U (en) | A kind of foot-drop corrector | |
| CN114129322A (en) | Rope suspension type constant-force artificial limb receiving cavity | |
| CN113855348B (en) | Controllable fully-opened constant force receiving cavity for upper limb prosthesis | |
| CN219720991U (en) | Orthopedics nursing joint stop device | |
| CN215839789U (en) | Knee joint fixator | |
| CN112704588B (en) | Individualized customization articular cartilage damage prosthetic devices based on 3D prints | |
| CN219461592U (en) | Traditional chinese medical science orthopedics medicine applies splint | |
| KR200213218Y1 (en) | Bodyguard | |
| CN111544261B (en) | Waist-wearing type rehabilitation walking aid for hemiplegic patients | |
| CN219743014U (en) | Foot artificial limb fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |