1. A polypropylene-based resin composition comprising the following components (A) to (D):
(A) 70 to 96 mass % of a polypropylene-based soft resin having an ISO D hardness of 35 or less and containing 25 to 55 mass % of xylene-insoluble part at room temperature and 75 to 45 mass % of xylene-soluble part at room temperature,
(B) 2 to 10 mass % of homopolypropylene having a melt mass flow rate (MFR) at 230\xb0 C. under a load of 2.16 kg measured in accordance with JIS K 7210 of 1 to 30 g0.10 min. and stereoregularity (meso pentad fraction) of 90% or more,
(C) 2 to 20 mass % of a propylene-ethylene random copolymer having an ethylene content of 1 to 10 mass %, and
(D) 0 to 15 mass % of a platy inorganic filler.
2. The polypropylene-based resin composition according to claim 1, which comprises 31 to 44 mass % of components soluble at 0\xb0 C., 43 to 55 mass % of components fractionated at temperatures of more than 0\xb0 C. and not more than 100\xb0 C., and 13 to 16 mass % of components fractionated at temperatures of more than 100\xb0 C., when fractionated by temperature rising elution fractionation (TREF), wherein TREF comprises adding o-dichlorobenzene to the polypropylene-based resin composition, heating the mixture to dissolve the resin components, filtering the mixture, adding a filler to the filtrate, cooling the mixture from 135\xb0 C. to 0\xb0 C. at a rate of 5\xb0 C.hr to crystallize the resin, maintaining the mixture at 0\xb0 C. for 30 min., and heating the mixture at a rate of 40\xb0 C.hr.
3. The polypropylene-based resin composition according to claim 1, comprising the component (D) in an amount of 1 to 15 mass %.
4. The polypropylene-based resin composition according to claim 1, wherein the polypropylene-based soft resin of the component (A) is produced by polymerizing in one reactor or produced in two or more reactors connected in series or parallel, followed by powder-blending.
5. The polypropylene-based resin composition according to claim 1, wherein the platy inorganic filler of the component (D) is talc.
6. The polypropylene-based resin composition according to claim 1, further comprising 0.05 to 0.5 part by weight of (a) phenolic antioxidant(s) and 0.05 to 0.5 part by weight of (a) sulfur-containing antioxidant(s) for 100 parts by weight of the total amount of the components (A) to (D).
7. A molded product made from the polypropylene-based resin composition according to claim 1 by a calendar molding method.
8. The molded product according to claim 7, wherein the product is a tape.
9. The molded product according to claim 8, wherein the tape has an aqueous emulsion-type acrylic adhesive coated thereon.
10. The molded product according to claim 8, wherein the product is a tape for vehicle wire harnesses.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for preoperatively approximating a preferred biomechanic fit of a prosthesis relative to a patient’s articular joint, comprising the steps of:
a. receiving information concerning a pre-operative physical articulation of the articular joint during at least one pre-operative physical activity of the patient, such information including:
i. a plurality of relative positions of the patient’s articular joint during the pre-operative physical articulation;
ii. a derived force environment of the patient’s articular joint during the pre-operative physical articulation;
b. inputting the information concerning the derived force environment and the relative positions of the patient’s articular joint into one or more computer simulation models;
c. inputting a prosthesis computer model into the one or more computer simulation models;
d. using the one or more computer simulation models, inputted prosthesis computer model, and inputted information, approximating a preferred biomechanic fit of the prosthesis relative to the patient’s articular joint; and
e. outputting information concerning the preferred biomechanic fit of the prosthesis relative to the patient’s articular joint.
2. The method of claim 1, wherein using the one or more computer simulation models comprises using a computer simulation model that corresponds to the at least one physical activity.
3. The method of claim 1, wherein outputting information concerning the preferred biomechanic fit of the prosthesis comprises outputting information concerning the preferred biomechanic fit of a standard prosthesis.
4. The method of claim 1, wherein outputting information concerning the preferred biomechanic fit of the prosthesis comprises outputting information concerning the preferred biomechanic fit of a modular prosthesis.
5. The method of claim 4, wherein outputting information concerning the preferred biomechanic fit of the modular prosthesis comprises outputting information concerning the preferred biomechanic fit of a unicondylar component and a patellofemoral component.
6. The method of claim 1, wherein outputting information concerning the preferred biomechanic fit of the prosthesis comprises outputting information concerning a patient specific prosthesis shaped according to at least one anatomic feature of the patient’s articular joint.
7. The method of claim 1, wherein approximating the preferred biomechanic fit of the prosthesis relative to the patient’s articular joint comprises the steps of:
a. iteratively running each of said one or more computer simulation models while changing at least one input variable between iterations; and
b. determining from the computer simulation models a relative placement for one or more components of the prosthesis.
8. The method of claim 1, further comprising the steps of:
a. recommending a preferred placement of the prosthesis to a surgeon;
b. receiving input from the surgeon related to the recommended placement, the input requesting an alteration of the placement; and
c. altering the placement of the prosthesis according to the input.
9. The method of claim 8, wherein the recommending step comprises recommending a plurality of preferred placements, and the receiving step includes receiving surgeon input of the surgeon’s preference of the preferred placements.
10. The method of claim 8, further comprising providing means for implanting the prosthesis.
11. The method of claim 1, wherein inputting the prosthesis computer model comprises inputting a 3-dimensional model.
12. The method of claim 1, wherein receiving information concerning the pre-operative physical articulation of the articular joint during the at least one pre-operative physical activity of the patient comprises receiving information concerning the pre-operative physical articulation during at least one of walking, chair rising, chair sitting, stair climbing, stair descending, squatting, swinging a golf club, jogging, kneeling, turning, and biking.
13. The method of claim 1, wherein outputting information concerning the preferred biomechanic fit comprises outputting information concerning a patient-specific instrument.
14. The method of claim 13, wherein outputting information concerning the patient-specific instrument comprises outputting information concerning a patient-specific cutting guide.
15. A method for preoperatively approximating a preferred biomechanic fit of a prosthesis relative to a patient’s articular joint, comprising the steps of:
a. receiving information concerning a pre-operative physical articulation of the articular joint during at least one physical activity of the patient, such information including:
i. a plurality of relative positions of the patient’s articular joint during the pre-operative physical articulation;
ii. a characterization of a kinetic biomechanic function of the patient’s articular joint during the pre-operative physical articulation;
b. inputting the information into one or more computer simulation models;
c. inputting a prosthesis computer model into the one or more computer simulation models;
d. using the one or more computer simulation models, inputted prosthesis computer model, and inputted information, approximating a preferred biomechanic fit of the prosthesis relative to the patient’s articular joint; and
e. outputting information concerning the preferred biomechanic fit of the prosthesis relative to the patient’s articular joint.
16. The method of claim 15, wherein outputting information concerning the preferred biomechanic fit of the prosthesis comprises outputting information concerning a preferred alignment and position of the prosthesis relative to the patient’s articular joint.
17. The method of claim 16, wherein outputting information concerning the preferred alignment and position of the prosthesis comprises outputting information concerning a patient-specific cutting guide.
18. The method of claim 15, wherein outputting information concerning the preferred biomechanic fit of the prosthesis comprises outputting information concerning a prosthesis custom designed for the patient’s articular joint.
19. The method of claim 15, further comprising receiving imaging of the patient’s articular joint.